================================================================================ UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM N-Q Quarterly Schedule of Portfolio Holdings of Registered Management Investment Company Investment Company Act file number 811-05531 MassMutual Participation Investors -------------------------------------------------------------------------------- (Exact name of registrant as specified in charter) 1500 Main Street, Suite 600, Springfield, MA 01115 -------------------------------------------------------------------------------- (Address of principal executive offices) (Zip code) Stephen L. Kuhn, Vice President and Secretary, 1500 Main Street, Suite 2800, Springfield, MA 01115 -------------------------------------------------------------------------------- (Name and address of agent for service) Registrant's telephone number, including area code: 413-226-1000 ___________________ Date of fiscal year end: 12/31 ___________________ Date of reporting period: 09/30/04 ___________________ ================================================================================ ITEM 1. SCHEDULE OF INVESTMENTS. CONSOLIDATED SCHEDULE OF INVESTMENTS MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES - 90.44% (A) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ PRIVATE PLACEMENT INVESTMENTS - 80.40% A T I ACQUISITION COMPANY A for-profit post-secondary school serving students in Texas, Florida and Arizona. 12% Senior Subordinated Note due 2012 $ 1,125,000 04/08/04 $ 1,125,000 $ 1,119,900 Warrant, exercisable until 2012, to purchase common stock at $.01 per share (B) 1,230 shs. 04/08/04 -- 12 ------------ ------------ 1,125,000 1,119,912 ------------ ------------ A W C HOLDING COMPANY A manufacturer and distributor of aluminum and vinyl windows and doors in the Southwest and Southeast regions of the U.S. 12% Senior Subordinated Note due 2012 $ 1,125,000 05/18/04 1,015,269 1,015,754 Limited Partnership Interest (B) 132 uts. 05/18/04 112,500 101,252 ------------ ------------ 1,127,769 1,117,006 ------------ ------------ ADORN, INC. A manufacturer of wall panels, cabinets, moldings and countertops for houses and recreational vehicles. 12.5% Subordinated Note due 2010 $ 1,125,000 02/29/00 1,018,723 1,109,607 Warrant, exercisable until 2010, to purchase common stock at $.02 per share (B) 192 shs. 02/29/00 162,931 72,757 ------------ ------------ 1,181,654 1,182,364 ------------ ------------ AMERICA'S BODY COMPANY, INC./LCP HOLDING CO. A designer and manufacturer of commercial work vehicles. 12% Preferred Stock Series C (B) 197 shs. 12/16/03 875,000 1,312,500 Warrant, exercisable until 2007, to purchase common stock at $.01 per share (B) 40 shs. * 256,667 -- ------------ ------------ 1,131,667 1,312,500 ------------ ------------ AMERICAN HOSPICE MANAGEMENT HOLDING LLC A for-profit hospice care provider in the United States. 12% Senior Subordinated Note due 2010 $ 1,125,000 01/22/04 1,005,411 1,170,000 Preferred Class A Unit (B) 1,337 uts. 01/22/04 127,477 114,749 Common Class B Unit (B) 1,610 uts. 01/22/04 -- 16 ------------ ------------ 1,132,888 1,284,765 ------------ ------------ BEACON MEDICAL PRODUCTS, INC. A designer, manufacturer and marketer of medical air and gas distribution systems. Senior Secured Floating Rate Revolving Credit Facility due 2007 $ 65,896 04/09/02 65,896 65,535 Senior Secured Tranche A Floating Rate Note due 2008 $ 514,244 04/09/02 514,244 509,015 12% Senior Secured Note due 2010 $ 412,112 04/09/02 353,129 431,261 Limited Partnership Interest of Riverside Capital Appreciation Fund IV, L.P. (B) 0.64% int. 04/09/02 87,045 78,341 Warrant, exercisable until 2010, to purchase common stock at $.01 per share (B) 794 shs. 04/09/02 72,856 44,674 ------------ ------------ 1,093,170 1,128,826 ------------ ------------ *11/02/98 and 12/24/03. -------------------------------------------------------------------------------- 7 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ BETA BRANDS LTD A manufacturer of hard candy and chocolate-coated products sold primarily to the Canadian market. 5% Promissory Note due 2009 (B) $ 96,698 03/31/04 $ 96,698 $ -- Warrant, exercisable until 2009, to purchase common stock at $.01 per share (B) 2,421 shs. 03/31/04 1 -- ------------ ------------ 96,699 -- ------------ ------------ BETTER MINERALS & AGGREGATES A producer of high grade industrial and specialty silica sands. 14% Redeemable Preferred Stock (B) 499 shs. 09/30/99 272,912 54,525 Convertible Preferred Stock Series A and B, convertible into common stock at $9.26 per share (B) 62,997 shs. 12/19/96 583,300 -- Common Stock (B) 10,013 shs. 09/30/99 399,505 -- Warrants, exercisable until 2005 and 2010, to purchase common stock at $.01 per share (B) 5,700 shs. * 64,247 -- ------------ ------------ 1,319,964 54,525 ------------ ------------ C & M CONVEYOR, INC. A manufacturer and supplier of material handling systems to the corrugated sheet and container industry. 9.5% Senior Secured Term Note due 2007 $ 569,277 09/13/02 569,277 574,436 11% Senior Subordinated Note due 2010 $ 478,916 09/13/02 453,634 488,109 Common Stock (B) 180,723 shs. 09/13/02 180,723 144,578 Warrant, exercisable until 2010, to purchase common stock at $.01 per share (B) 78,386 shs. 09/13/02 34,428 784 ------------ ------------ 1,238,062 1,207,907 ------------ ------------ CAINS FOODS, L.P. A producer of mayonnaise and sauce products for both the retail and food service markets. Limited Partnership Interest (B) 58 uts. 09/29/95 79,184 97,201 ------------ ------------ CAPESUCCESS LLC A provider of diversified staffing services. Preferred Membership Interests (B) 806 uts. 04/29/00 3,598 180 Common Membership Interests (B) 10,421 uts. 04/29/00 46,706 2,332 ------------ ------------ 50,304 2,512 ------------ ------------ CAPITAL SPECIALTY PLASTICS, INC. A producer of desiccant strips used for packaging pharmaceuticals products. Common Stock (B) 55 shs. ** 252 252 ------------ ------------ CHEMED CORPORATION An operator in the residential and commercial repair-and-maintenance service industry through two wholly owned subsidiaries Roto-Rooter and Service America. Common Stock (B) 10,500 shs. 02/24/04 525,000 585,270 ------------ ------------ *12/19/96 and 09/30/99. **12/30/97 and 05/29/99. -------------------------------------------------------------------------------- 8 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ COEUR, INC. A producer of proprietary, disposable power injection syringes. 8.75% Senior Secured Term Note due 2010 $ 326,087 04/30/03 $ 326,087 $ 333,934 11.5% Senior Subordinated Note due 2011 $ 242,754 04/30/03 222,008 248,845 Common Stock (B) 72,463 shs. 04/30/03 72,463 65,217 Warrant, exercisable until 2010, to purchase common stock at $.01 per share (B) 50,099 shs. 04/30/03 23,317 501 ------------ ------------ 643,875 648,497 ------------ ------------ COINING CORPORATION OF AMERICA LLC A manufacturer of close tolerance parts and metal stampings. Senior Secured Floating Rate Revolving Credit Facility due 2006 $ 61,728 01/07/02 61,728 59,142 Senior Secured Floating Rate Tranche A Note due 2007 $ 583,333 06/26/01 583,333 534,637 13% Senior Secured Tranche B Note due 2006 $ 370,370 06/26/01 370,370 364,777 Limited Partnership Interest (B) 3.65% int. 06/26/01 185,185 148,148 Warrant, exercisable until 2008, to purchase common stock at $.01 per share (B) 61,163 shs. 06/26/01 45,370 612 ------------ ------------ 1,245,986 1,107,316 ------------ ------------ COLIBRI HOLDINGS CORPORATION A manufacturer and distributor of wild bird feeders and accessories. 12.5% Senior Subordinated Note due 2008 $ 843,750 09/22/00 752,167 800,493 28% Preferred Stock (B) 38 shs. 11/02/01 37,500 37,216 20% Preferred Stock (B) 35 shs. 03/09/04 35,156 33,920 Common Stock (B) 756 shs. 09/22/00 281,250 140,625 Warrant, exercisable until 2008, to purchase common stock at $.01 per share (B) 446 shs. 09/22/00 140,625 4 ------------ ------------ 1,246,698 1,012,258 ------------ ------------ CORVEST GROUP, INC. A manufacturer and distributor of promotional products. 12% Senior Subordinated Note due 2007 (B) $ 2,045,455 * 1,979,505 1,840,910 Common Stock (B) 30 shs. * 51,136 12,784 Limited Partnership Interest (B) 10.23% int. * 150,810 37,955 Warrant, exercisable until 2007, to purchase common stock at $.01 per share (B) 171 shs. * 157,343 73,721 ------------ ------------ 2,338,794 1,965,370 ------------ ------------ DELSTAR HOLDING CORPORATION A manufacturer of plastic netting for a wide variety of industries. Convertible Preferred Stock, convertible into common stock at $12.16 per share (B) 1,758 shs. 10/05/01 213,691 197,751 Preferred Stock (B) 206 shs. 09/16/04 24,414 23,193 ------------ ------------ 238,105 220,944 ------------ ------------ *03/05/99 and 03/24/99. -------------------------------------------------------------------------------- 9 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ DEXTER MAGNETICS TECHNOLOGIES, INC. A designer, fabricator, assembler and distributor of industrial magnets and subassemblies in North America and Europe. 12% Senior Subordinated Note due 2006 $ 244,565 07/19/01 $ 224,053 $ 244,890 Common Stock (B) 310 shs. 07/19/01 309,746 278,802 Warrant, exercisable until 2006, to purchase common stock at $.01 per share (B) 157 shs. 07/19/01 132,677 2 ------------ ------------ 666,476 523,694 ------------ ------------ DIRECTED ELECTRONICS, INC. A designer and distributor of brand name automotive security systems, audio products and installation accessories. Class B Common Stock (B) 19,394 shs. 12/22/99 -- 296,723 Limited Partnership Interest (B) 4.61% int. 12/22/99 1 444,616 Warrant, exercisable until 2007, to purchase common stock at $.01 per share (B) 25,713 shs. 12/22/99 -- 393,407 ------------ ------------ 1 1,134,746 ------------ ------------ DIVERSCO, INC./DHI HOLDINGS, INC. A contract provider of janitorial and equipment maintenance services and temporary production labor to industrial customers. Membership Interests of MM/Lincap Diversco Investments Ltd. LLC (B) 13.57% int. 08/27/98 366,495 -- Preferred Stock (B) 1,639 shs. 12/14/01 1,392,067 696,032 Warrants, exercisable until 2011, to purchase common stock of DHI Holdings, Inc. at $.01 per share (B) 6,676 shs. * 201,655 -- ------------ ------------ 1,960,217 696,032 ------------ ------------ DWYER GROUP, INC. A franchiser of a variety of home repair services. 14% Senior Subordinated Note due 2011 $ 984,375 10/30/03 891,656 962,858 Common Stock (B) 3,656 shs. ** 365,600 329,040 Warrant, exercisable until 2011, to purchase common stock at $.01 per share (B) 1,077 shs. 10/30/03 98,719 11 ------------ ------------ 1,355,975 1,291,909 ------------ ------------ E X C ACQUISITION CORPORATION A manufacturer of pre-filled syringes and pump systems used for intravenous drug delivery 15% Senior Subordinated Note due 2012 $ 1,125,000 06/28/04 1,084,806 1,139,006 Warrant, exercisable until 2014, to purchase common stock at $.01 per share (B) 11 shs. 06/28/04 40,875 -- ------------ ------------ 1,125,681 1,139,006 ------------ ------------ *10/24/96 and 08/28/98. **10/30/03 and 01/02/04. -------------------------------------------------------------------------------- 10 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ EAGLE PACK PET FOODS, INC. A manufacturer of premium pet food sold through independent pet stores. 14% Senior Subordinated Note due 2011 $ 562,500 09/24/04 $ 541,612 $ 560,782 Warrant, exercisable until 2011, to purchase common stock at $.01 per share (B) 2,163 shs. 09/24/04 20,893 22 ------------ ------------ 562,505 560,804 ------------ ------------ EAGLE WINDOW & DOOR HOLDING CO. A manufacturer of wood and aluminum-clad wood windows and doors. 12% Senior Subordinated Note due 2010 $ 1,000,000 05/06/02 878,388 1,030,000 Common Stock (B) 125 shs. 05/06/02 125,000 222,738 Warrant, exercisable until 2010, to purchase common stock at $.01 per share (B) 232 shs. 05/06/02 150,000 413,292 ------------ ------------ 1,153,388 1,666,030 ------------ ------------ EAST RIVER VENTURES I, L.P. An acquirer of controlling or substantial interests in other entities. Limited Partnership Interest (B) 0.04% int. 01/01/01 7,238 6,821 ------------ ------------ ENZYMATIC THERAPY, INC. A manufacturer and distributor of branded natural medicines and nutritional supplements. 13% Senior Subordinated Note due 2005 (B) $ 843,750 09/17/02 714,590 506,250 Limited Partnership Interest (B) 0.70% int. 03/30/00 281,250 2,813 Warrant, exercisable until 2009, to purchase common stock at $.01 per share (B) 253 shs. 03/30/00 135,000 3 ------------ ------------ 1,130,840 509,066 ------------ ------------ EURO-PRO CORPORATION A designer, marketer and distributor of floor care, steam cleaning and small kitchen products and appliances. 13.25% Senior Subordinated Note due 2011 $ 1,125,000 09/09/03 1,107,573 1,135,418 Warrant, exercisable until 2011, to purchase common stock at $.01 per share (B) 23,229 shs. 09/09/03 18,869 232 ------------ ------------ 1,126,442 1,135,650 ------------ ------------ EVANS CONSOLES, INC. A designer and manufacturer of consoles and control center systems. 10% Senior Secured Note due 2006 $ 301,500 05/06/04 301,500 301,500 Limited Partnership Interest of CM Equity Partners (B) 1.21% int. 02/11/98 63,627 -- Common Stock (B) 45,000 shs. 05/06/04 6 -- ------------ ------------ 365,133 301,500 ------------ ------------ EXAMINATION MANAGEMENT SERVICES, INC. A national full-service evidence provider to the insurance industry and a provider of occupational health testing. 12% Senior Subordinated Note due 2007 (B) $ 1,116,867 03/16/99 1,070,152 -- Limited Partnership Interest (B) 6.96% int. 03/02/99 1,133,133 -- Warrant, exercisable until 2007, to purchase common stock at $.01 per share (B) 40,888 shs. 03/16/99 93,072 -- ------------ ------------ 2,296,357 -- ------------ ------------ -------------------------------------------------------------------------------- 11 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ G C-SUN HOLDINGS, L.P. A value-added national distributor of maintenance, repair and operating supplies such as fasteners, electrical components and tools. 12% Senior Subordinated Note due 2008 (B) $ 920,000 03/02/00 $ 774,285 $ 690,000 Warrant, exercisable until 2008, to purchase common stock at $.01 per share (B) 469 shs. 03/02/00 185,220 -- ------------ ------------ 959,505 690,000 ------------ ------------ HAMILTON FUNERAL SERVICES CENTERS, INC. A privately held owner and operator of funeral homes in the United States. 16.5% Senior Subordinated Note due 2007 (B) $ 2,208,026 * 2,147,182 220,803 Warrant, exercisable until 2007, to purchase common stock at $1 per share (B) 196,421 shs. * 28,131 -- ------------ ------------ 2,175,313 220,803 ------------ ------------ HIGHGATE CAPITAL LLC An acquirer of controlling or substantial interests in manufacturing and marketing entities. Series A Preferred Units (B) 0.30% int. 7/21/94 96,320 681 ------------ ------------ HOME DeCOR HOLDING COMPANY A designer, manufacturer and marketer of framed art and wall decor products. 12.5% Senior Subordinated Note due 2012 $ 1,081,731 ** 977,176 1,098,249 Common Stock (B) 33 shs. ** 33,216 29,898 Warrant, exercisable until 2012, to purchase common stock at $.01 per share (B) 106 shs. ** 105,618 1 ------------ ------------ 1,116,010 1,128,148 ------------ ------------ HUSSEY SEATING CORPORATION A manufacturer of spectator seating products. Senior Secured Floating Rate Revolving Note due 2006 $ 917,020 06/12/96 917,020 917,020 Senior Secured Floating Rate Note due 2006 $ 216,563 *** 216,563 216,563 12% Senior Subordinated Note due 2006 $ 675,000 03/31/03 675,000 672,539 Common Stock (B) 2,860 shs. 03/12/04 112,500 126,489 ------------ ------------ 1,921,083 1,932,611 ------------ ------------ INTEGRATION TECHNOLOGY SYSTEMS, INC. A manufacturer of steel protective computer and network systems for the industrial and office environments. 16.5% Senior Secured Note due 2006 $ 914,072 03/01/04 913,283 875,414 Common Stock (B) 130 shs. 06/01/00 149,500 74,750 ------------ ------------ 1,062,783 950,164 ------------ ------------ *01/25/99 and 07/16/99. **06/30/04 and 08/19/04. ***06/12/96 and 08/03/01. -------------------------------------------------------------------------------- 12 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ JASON, INC. A diversified manufacturing company serving various industrial markets. 13% Senior Subordinated Note due 2008 $ 510,187 08/04/00 $ 470,562 $ 457,500 14% Cumulative Redeemable Preferred Stock Series A (B) 153 shs. 08/04/00 153,119 140,490 Limited Partnership Interest of Saw Mill Capital Fund II, L.P. (B) 1.30% int. 08/03/00 469,275 234,663 Warrants, exercisable until 2008 and 2009, to purchase common stock at $.01 per share (B) 26,931 shs. 08/04/00 61,101 269 ------------ ------------ 1,154,057 832,922 ------------ ------------ KEEPSAKE QUILTING, INC. A seller of quilting fabrics, books, patterns, kits and notions to consumers. Senior Secured Floating Rate Revolving Note due 2005 $ 73,386 06/16/00 73,386 73,267 Senior Secured Floating Rate Tranche A Note due 2007 $ 416,725 06/16/00 416,725 412,972 12% Senior Secured Tranche B Note due 2008 $ 314,509 06/16/00 298,963 323,944 Limited Partnership Interest of Riverside XVI Holding Company, L.P. (B) 3.02% int. 06/12/00 190,563 171,504 Warrant, exercisable until 2008, to purchase common stock at $.01 per share (B) 633 shs. 06/12/00 26,209 18,179 ------------ ------------ 1,005,846 999,866 ------------ ------------ KELE AND ASSOCIATES, INC. A distributor of building automation control products. 12% Senior Subordinated Note due 2012 $ 969,643 02/27/04 880,118 966,709 Preferred Stock Class A (B) 12 shs. 02/27/04 237,794 255,994 Common Stock (B) 6 shs. 02/27/04 6,814 6,133 Warrant, exercisable until 2012, to purchase common stock at $.01 per share (B) 6 shs. 02/27/04 4,124 -- ------------ ------------ 1,128,850 1,228,836 ------------ ------------ KENAN-ADVANTAGE TRANSPORT COMPANY A transporter of light petroleum, petrochemicals, lubricants and residual fuels. 12.5% Senior Subordinated Note due 2009 $ 962,170 04/30/01 962,170 981,413 Preferred Stock (B) 163 shs. 04/30/01 163,000 326,000 Warrant, exercisable until 2009, to purchase common stock at $.01 per share (B) 142 shs. 04/30/01 7 1 ------------ ------------ 1,125,177 1,307,414 ------------ ------------ LANCASTER LABORATORIES, INC. A laboratory testing operation in the United States. Common Stock (B) 455,739 shs. 09/25/00 312,254 434,778 ------------ ------------ LIH INVESTORS, L.P. A manufacturer and marketer of a broad line of external accessories for new and used sport utility vehicles, trucks and vans. 12.5% Senior Subordinated Note due 2008 $ 2,036,000 * 1,833,709 2,048,548 Common Stock (B) 3,057 shs. * 213,998 181,892 Warrant, exercisable until 2006, to purchase common stock at $.11 per share (B) 8,245 shs. * 318,838 490,578 ------------ ------------ 2,366,545 2,721,018 ------------ ------------ *12/23/98 and 01/28/99. -------------------------------------------------------------------------------- 13 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ MAVERICK ACQUISITION COMPANY A manufacturer of capsules that cover the cork and neck of wine bottles. Senior Secured Floating Rate Revolving Note due 2009 $ 7,712 09/03/04 $ 7,712 $ 7,635 Senior Secured Floating Rate Tranche A Note due 2010 $ 447,762 09/03/04 447,762 442,533 12% Senior Secured Tranche B Note due 2011 $ 179,104 09/03/04 156,670 182,561 Limited Partnership Interest (B) 33,582 uts. 09/03/04 33,582 30,224 Warrant, exercisable until 2011, to purchase common stock at $.01 per share (B) 243 shs. 09/03/04 22,556 2 ------------ ------------ 668,282 662,955 ------------ ------------ MAXON CORPORATION A manufacturer of industrial combustion equipment and related shut-off valves and control valves. 12% Senior Subordinated Note due 2012 $ 549,837 09/30/04 497,895 543,514 8.75% Senior Subordinated Note due 2012 $ 732,065 09/30/04 732,065 731,260 Common Stock (B) 218,099 shs. 09/30/04 218,099 196,289 Warrant, exercisable until 2012, to purchase common stock at $.01 per share (B) 87,755 shs. 09/30/04 51,941 878 ------------ ------------ 1,500,000 1,471,941 ------------ ------------ MEDASSIST, INC. A provider of patient eligibility and accounts receivable management services to hospitals and physician practices. 12% Senior Subordinated Note due 2011 $ 1,125,000 05/01/03 1,105,982 1,158,750 Warrant, exercisable until 2013, to purchase common stock at $.01 per share (B) 44,054 shs. 05/01/03 21,534 28,151 ------------ ------------ 1,127,516 1,186,901 ------------ ------------ MOSS, INC. A manufacturer and distributor of large display and exhibit structures. Senior Secured Floating Rate Tranche A Note due 2007 $ 544,015 09/21/00 544,015 544,015 12% Senior Secured Tranche B Note due 2008 $ 192,200 09/21/00 180,530 192,200 Limited Partnership Interest of Riverside Capital Appreciation Fund I, L.P. (B) 4.27% int. * 178,069 133,546 Warrant, exercisable until 2008, to purchase common stock at $100 per share (B) 264 shs. 09/21/00 23,064 3 ------------ ------------ 925,678 869,764 ------------ ------------ MUSTANG VENTURES COMPANY A natural gas gathering and processing operation located in Oklahoma and Texas. Warrant, exercisable until 2012, to purchase common stock at $.01 per share (B) 8,752 shs. 12/11/02 261,264 496,624 ------------ ------------ NEFF MOTIVATION, INC. A manufacturer and distributor of customized awards and sportswear to schools. 12.5% Senior Subordinated Note due 2011 $ 562,500 01/31/03 477,604 581,655 Warrant, exercisable until 2011, to purchase common stock at $.01 per share (B) 112 shs. 01/31/03 95,625 46,025 ------------ ------------ 573,229 627,680 ------------ ------------ *09/20/00 and 05/23/02. -------------------------------------------------------------------------------- 14 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ NONNI'S FOOD COMPANY A producer and distributor of premium biscotti and bagel chips in North America. 12.25% Senior Subordinated Note due 2012 $ 986,538 03/29/04 $ 982,661 $ 1,018,873 10% Preferred Stock (B) 135 shs. 03/29/04 135,044 137,740 Common Stock (B) 3,418 shs. 03/29/04 3,418 3,076 Warrant, exercisable until 2012, to purchase common stock at $.01 per share (B) 4,565 shs. 03/29/04 3,877 46 ------------ ------------ 1,125,000 1,159,735 ------------ ------------ NPC, INC. A manufacturer of flexible connectors and equipment used in the installation of sewers and storm drain pipelines. Senior Secured Floating Rate Revolving Note due 2006 $ 236,675 06/25/99 236,675 232,116 Senior Secured Floating Rate Note due 2006 $ 1,156,780 06/25/99 1,156,760 1,133,561 12% Senior Secured Tranche B Note due 2007 $ 559,322 06/25/99 520,134 559,322 Limited Partnership Interest of Riverside XIII Holding Company L.P. (B) 1.93% int. 06/11/99 169,648 126,536 Warrant, exercisable until 2007, to purchase common stock at $.01 per share (B) 115 shs. 06/25/99 81,356 1 ------------ ------------ 2,164,573 2,051,536 ------------ ------------ NYLONCRAFT, INC. A supplier of engineered plastic components for the automotive industry. 9% Senior Secured Note due 2009 $ 464,286 01/28/02 464,286 504,758 11.5% Senior Subordinated Note due 2012 $ 857,143 01/28/02 780,181 933,736 Common Stock (B) 178,571 shs. 01/28/02 178,571 186,428 Warrant, exercisable until 2012, to purchase common stock at $.01 per share (B) 138,928 shs. 01/28/02 92,597 143,790 ------------ ------------ 1,515,635 1,768,712 ------------ ------------ OLYMPIC SALES, INC. A boat retailer in Washington state, Oregon and California and British Columbia. 12% Senior Subordinated Note due 2006 $ 1,387,000 08/07/98 1,338,198 1,248,781 12% Senior Subordinated Note due 2008 $ 244,154 02/09/00 228,251 205,796 Limited Partnership Interest of Riverside VIII, VIII-A and VIII-B Holding Company, L.P. (B) 795,964 shs. * 808,274 415,321 Warrants, exercisable until 2007 and 2008, to purchase common stock at $.01 per share (B) 15,166 shs. ** 206,041 152 ------------ ------------ 2,580,764 1,870,050 ------------ ------------ PARADIGM PACKAGING, INC. A manufacturer of plastic bottles and closures for the nutritional, pharmaceutical, personal care and food packaging markets. 12% Senior Subordinated Note due 2008 $ 1,125,000 12/19/00 1,031,513 1,147,500 Membership Interests of MM/Lincap PPI Investments, Inc., LLC (B) 1.28% int. 12/21/00 140,625 140,625 ------------ ------------ 1,172,138 1,288,125 ------------ ------------ *08/07/98, 02/23/99, 12/22/99 and 02/25/03. **08/07/98 and 02/29/00. -------------------------------------------------------------------------------- 15 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ P H I HOLDING COMPANY A retailer of mid-priced gift items, home and garden decor, accessories and other similar consumer products. 12.5% Senior Subordinated Note due 2010 $ 1,125,000 10/25/02 $ 984,764 $ 1,170,000 Warrant, exercisable until 2010, to purchase common stock at $.02 per share (B) 186 shs. 10/25/02 157,102 169,651 ------------ ------------ 1,141,866 1,339,651 ------------ ------------ POLYMER TECHNOLOGIES, INC./POLI-TWINE WESTERN, INC. A manufacturer of polypropylene twine for the hay bailing marketplace. 8% Senior Subordinated Note due 2010 (B) $ 393,750 09/27/02 264,679 -- ------------ ------------ PRECISION DYNAMICS, INC. A manufacturer of custom-designed solenoid valves and controls. Senior Secured Floating Rate Revolving Credit Facility due 2004 $ 366,750 07/22/96 366,750 366,750 Senior Secured Floating Rate Term Note due 2004 $ 350,450 07/22/96 350,450 350,450 12% Senior Secured Term Note due 2004 $ 163,000 07/22/96 161,292 163,000 8% Preferred Stock (B) 187 shs. 07/22/96 115,982 115,895 Common Stock (B) 299 shs. 07/22/96 14,489 14,489 Warrant, exercisable until 2004, to purchase common stock at $.01 per share (B) 162 shs. 07/22/96 49,000 2 ------------ ------------ 1,057,963 1,010,586 ------------ ------------ PROCESS CHEMICALS LLC A specialty chemical company that manufactures processed chemicals for the fertilizer, asphalt and concrete industries. Common Membership Interests 4,932 uts. * 4 -- ------------ ------------ PROTEIN GENETICS, INC. A producer of bovine artificial insemination products, related breeding and healthcare products and specialty genetics sold to the dairy and beef industries. 9.8% Redeemable Exchangeable Preferred Stock (B) 332 shs. 08/12/94 33,217 -- Common Stock (B) 867 shs. ** 42,365 -- ------------ ------------ 75,582 -- ------------ ------------ PW EAGLE, INC. - O.T.C. An extruder of small and medium diameter plastic pipe and tubing in the United States. 18% Senior Subordinated Note due 2007 $ 1,875,130 09/16/99 1,863,018 656,296 Warrant, exercisable until 2007, to purchase common stock at $.01 per share (B) 101,505 shs. 09/16/99 1 92,598 ------------ ------------ 1,863,019 748,894 ------------ ------------ *07/31/97 and 01/04/99. **11/14/01 and 08/12/94. -------------------------------------------------------------------------------- 16 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ QUALIS AUTOMOTIVE LLC A distributor of aftermarket automotive brake and chassis products. 12% Senior Subordinated Note due 2012 $ 937,500 05/28/04 $ 742,923 $ 953,311 Common Stock (B) 187,500 shs. 05/28/04 187,500 168,750 Warrant, exercisable until 2012, to purchase common stock at $.01 per share (B) 199,969 shs. 05/28/04 199,969 2,000 ------------ ------------ 1,130,392 1,124,061 ------------ ------------ QUALSERV CORPORATION A provider of foodservice equipment and supplies, to major restaurant chains and their franchisees. 14% Senior Subordinated Note due 2012 $ 987,805 07/09/04 962,235 1,008,127 Limited Partnership Interest (B) 137,195 uts. 07/09/04 137,195 137,195 Warrant, exercisable until 2012, to purchase common stock at $.01 per share (B) 280 shs. 07/09/04 25,973 3 ------------ ------------ 1,125,403 1,131,606 ------------ ------------ RIVER RANCH FRESH FOODS LLC A supplier of fresh producer to the retail and foodservice channels. 13% Senior Subordinated Note due 2011 $ 975,000 09/29/04 891,436 984,106 Limited Partnership Interest (B) 150,000 uts. 09/29/04 150,000 135,000 Warrant, exercisable until 2011, to purchase common stock at $.01 per share (B) 12,481 shs. 09/29/04 83,596 125 ------------ ------------ 1,125,032 1,119,231 ------------ ------------ ROYAL BATHS MANUFACTURING COMPANY A manufacturer and distributor of acrylic and cultured marble bathroom products. 12.5% Senior Subordinated Note due 2011 $ 562,500 11/14/03 501,354 562,780 Warrant, exercisable until 2011, to purchase common stock at $.01 per share (B) 74 shs. 11/14/03 65,089 1 ------------ ------------ 566,443 562,781 ------------ ------------ SAFETY SPEED CUT MANUFACTURING COMPANY, INC. A manufacturer of vertical panel saws and routers for the wood working industry. Senior Secured Floating Rate Revolving Note due 2006 $ 161,522 05/01/03 161,522 164,272 Senior Secured Floating Rate Tranche A Note due 2007 $ 794,151 06/02/99 794,151 794,151 12% Senior Secured Tranche B Note due 2007 $ 646,089 06/02/99 646,089 646,089 Class B Common Stock (B) 846 shs. 06/02/99 146,456 264,900 ------------ ------------ 1,748,218 1,869,412 ------------ ------------ SAVAGE SPORTS HOLDINGS, INC. A manufacturer of sporting firearms. 12% Senior Subordinated Note due 2012 $ 814,655 09/10/04 754,706 823,362 Common Stock (B) 310 shs. 09/10/04 310,345 279,315 Warrant, exercisable until 2012, to purchase common stock at $.01 per share (B) 71 shs. 09/10/04 60,129 1 ------------ ------------ 1,125,180 1,102,678 ------------ ------------ -------------------------------------------------------------------------------- 17 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ SELIG ACQUISITION CORPORATION A manufacturer of container sealing materials for bottles used in consumer products. 12% Senior Subordinated Note due 2009 $ 1,125,000 06/13/02 $ 1,050,563 $ 1,145,250 Warrant, exercisable until 2009, to purchase common stock at $.01 per share (B) 1,064 shs. 06/13/02 96,365 223,543 ------------ ------------ 1,146,928 1,368,793 ------------ ------------ SHELTER ACQUISITION, INC. A distributor of roofing supplies and products throughout the Midwest. 12.5% Senior Subordinated Note due 2008 $ 803,571 08/01/02 718,779 819,642 Common Stock (B) 401,786 shs. * 401,786 361,607 Warrant, exercisable until 2009, to purchase common stock at $.01 per share (B) 139,470 shs. 08/01/02 114,589 1,395 ------------ ------------ 1,235,154 1,182,644 ------------ ------------ SNYDER INDUSTRIES, INC. A manufacturer of proprietary rotationally molded polyethylene containers. 12.25% Senior Subordinated Note due 2007 $ 2,250,000 12/06/99 2,100,766 2,272,500 Warrant, exercisable until 2007, to purchase common stock at $.01 per share (B) 369 shs. 12/06/99 306,818 55,566 ------------ ------------ 2,407,584 2,328,066 ------------ ------------ SPECIALTY FOODS GROUP, INC. A manufacturer and distributor of branded meat products. Limited Partnership Interest of MHD Holdings LLC (B) 0.76% int. 08/29/00 278,907 49,487 ------------ ------------ SPORT COURT INTERNATIONAL, INC. A designer and manufacturer of synthetic indoor and outdoor sports flooring and other temporary flooring products. Senior Secured Floating Rate Revolving Note due 2009 $ 106,143 08/12/04 106,143 105,120 Senior Secured Floating Rate Note due 2009 $ 301,240 08/12/04 301,240 298,253 12% Senior Secured Note due 2012 $ 145,304 08/12/04 135,362 146,559 Limited Partnership Interest (B) 37,617 uts. 08/12/04 37,617 33,856 Warrant, exercisable until 2012, to purchase common stock at $.01 per share (B) 19 shs. 08/12/04 10,056 1 ------------ ------------ 590,418 583,789 ------------ ------------ STRATEGIC EQUIPMENT & SUPPLY CORPORATION, INC. A provider of kitchen and restaurant design, equipment fabrication and installation services. 12% Senior Subordinated Note due 2008 $ 2,250,000 01/14/00 2,035,985 2,272,500 Warrant, exercisable until 2008, to purchase common stock at $.01 per share (B) 61,862 shs. 01/14/00 382,501 -- ------------ ------------ 2,418,486 2,272,500 ------------ ------------ *08/01/02 and 01/17/03. -------------------------------------------------------------------------------- 18 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ SYNVENTIVE EQUITY LLC A manufacturer of hot runner systems used in the plastic injection molding process. 12% Senior Subordinated Note due 2007 $ 975,000 08/21/03 $ 939,119 $ 994,500 Limited Partnership Interest (B) 0.32% int. 08/20/03 150,000 150,000 Warrant, exercisable until 2011, to purchase common stock at $.01 per share (B) 45,942 shs. 08/21/03 45,000 459 ------------ ------------ 1,134,119 1,144,959 ------------ ------------ THE TRANZONIC COMPANIES A producer of commercial and industrial supplies, such as safety products, janitorial supplies, work apparel, washroom and restroom supplies and sanitary care products. 13% Senior Subordinated Note due 2009 $ 1,356,000 02/05/98 1,241,714 1,356,000 Common Stock (B) 315 shs. 02/04/98 315,000 267,238 Warrant, exercisable until 2006, to purchase common stock at $.01 per share (B) 222 shs. 02/05/98 184,416 188,337 ------------ ------------ 1,741,130 1,811,575 ------------ ------------ TIDEWATER HOLDINGS, INC An operator of a barge transportation line on the Columbia/Snake River system. 17% Preferred Stock (B) 280 shs. 12/23/02 280,000 266,000 Convertible Preferred Stock, convertible into common stock at $1,000 per share (B) 560 shs. 07/25/96 560,000 504,000 Warrant, exercisable until 2008, to purchase common stock at $.01 per share (B) 237 shs. 07/25/96 24,103 213,192 ------------ ------------ 864,103 983,192 ------------ ------------ TINNERMAN-PALNUT ENGINEERED COMPONENTS A manufacturer of precision engineered metal and plastic fasteners and assembly components. 12.75% Senior Subordinated Note due 2008 $ 595,588 12/06/01 457,312 601,544 Class B Unit (B) 52,941 uts. 12/06/01 38,928 35,035 Class C Unit (B) 92,184 uts. 12/06/01 67,782 61,005 ------------ ------------ 564,022 697,584 ------------ ------------ TOMAH HOLDINGS, INC. A manufacturer of specialty chemicals. 16% Senior Subordinated Note due 2011 $ 750,000 12/08/03 722,843 766,865 16% Preferred Stock Series A (B) 20 shs. 12/08/03 334,393 341,242 Common Stock (B) 2,789 shs. 12/08/03 69,602 62,641 ------------ ------------ 1,126,838 1,170,748 ------------ ------------ TRONAIR, INC. A designer, engineer and manufacturer of ground support equipment for the business, commuter and commercial aviation markets 10.5% Senior Secured Term Note due 2008 $ 902,572 01/20/00 902,572 894,113 12% Senior Subordinated Note due 2010 $ 758,100 01/20/00 720,883 749,707 Common Stock (B) 129,960 shs. 01/20/00 129,960 103,968 Warrant, exercisable until 2010, to purchase common stock at $1 per share (B) 148,912 shs. 01/20/00 56,316 1,489 ------------ ------------ 1,809,731 1,749,277 ------------ ------------ -------------------------------------------------------------------------------- 19 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ TRUSTILE DOORS, INC. A manufacturer and distributor of interior doors. 12.5% Senior Subordinated Note due 2010 $ 562,500 04/11/03 $ 518,783 $ 569,247 Warrant, exercisable until 2010, to purchase common stock at $.01 per share (B) 3,060 shs. 04/11/03 50,625 31 ------------ ------------ 569,408 569,278 ------------ ------------ TUBULAR TEXTILE MACHINERY A designer, manufacturer, sale and servicer of finishing machinery for the knit and woven segments of the global textile industry. 12% Senior Subordinated Note due 2014 $ 705,457 05/28/04 632,317 718,989 8.75% Senior Secured Note due 2011 $ 409,310 05/28/04 409,310 419,377 Common Stock (B) 385,233 shs. 05/28/04 385,233 346,710 Warrant, exercisable until 2012, to purchase common stock at $.01 per share (B) 116,521 shs. 05/28/04 74,736 1,165 ------------ ------------ 1,501,596 1,486,241 ------------ ------------ TVI, INC. A retailer of used clothing in the United States, Canada and Australia. Common Stock (B) 187,500 shs. 05/02/00 141,769 219,375 ------------ ------------ U S M HOLDINGS CORPORATION A provider of facility maintenance services to retail and corporate clients with multiple locations. 12% Senior Subordinated Note due 2011 $ 947,368 08/06/03 802,283 967,273 Preferred Stock (B) 1,771 shs. 08/06/03 177,086 159,387 Common Stock (B) 546 shs. 08/06/03 546 491 Warrant, exercisable until 2011, to purchase common stock at $.01 per share (B) 502 shs. 08/06/03 157,869 5 ------------ ------------ 1,137,784 1,127,156 ------------ ------------ U-LINE CORPORATION A manufacturer of high-end, built-in, undercounter icemaking, wine storage and refrigeration appliances. 12.5% Senior Subordinated Note due 2012 $ 996,500 04/30/04 887,225 1,010,014 10% Jr Subordinated Note due 2012 $ 32,100 04/30/04 32,100 32,118 Common Stock (B) 96 shs. 04/30/04 96,400 86,760 Warrant, exercisable until 2012, to purchase common stock at $.01 per share (B) 122 shs. 04/30/04 112,106 1 ------------ ------------ 1,127,831 1,128,893 ------------ ------------ VICTORY VENTURES LLC An acquirer of controlling or substantial interests in other entities. Series A Preferred Units (B) 0.03% int. 12/02/96 1 2 ------------ ------------ -------------------------------------------------------------------------------- 20 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares, Units, Warrants, Ownership or Acquisition CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Principal Amount Date Cost Fair Value ---------------- ----------- ------------ ------------ VITALITY FOODSERVICE, INC. A non-carbonated beverage dispensing company focused on the foodservice industry. 13% Senior Subordinated Note due 2011 $ 999,153 09/24/04 $ 900,333 $ 1,007,990 Common Stock (B) 12,585 shs. 09/24/04 125,850 113,265 Warrant, exercisable until 2012, to purchase common stock at $.01 per share (B) 12,593 shs. 09/24/04 98,938 126 ------------ ------------ 1,125,121 1,121,381 ------------ ------------ VITEX PACKAGING GROUP, INC. A manufacturer of specialty packaging, primarily envelopes and tags used on tea bags and medical and food products. 12.5% Senior Subordinated Note due 2012 $ 900,000 07/19/04 785,152 900,895 Limited Partnership Interest Class A (B) 219,375 uts. 07/19/04 219,375 197,438 Limited Partnership Interest Class B (B) 96,848 uts. 07/19/04 96,848 87,163 ------------ ------------ 1,101,375 1,185,496 ------------ ------------ WALLS INDUSTRIES, INC. A provider of branded workwear and sporting goods apparel. 10% Senior Subordinated Lien Note due 2009 $ 552,632 07/12/04 552,632 544,598 14% Senior Subordinated Note due 2012 $ 552,631 07/12/04 551,131 544,111 Limited Partnership Interest (B) 19,737 uts. 07/12/04 19,737 17,763 Warrant, exercisable until 2014, to purchase common stock at $.01 per share (B) 2,133 shs. 07/12/04 1,500 21 ------------ ------------ 1,125,000 1,106,493 ------------ ------------ WASHINGTON INVENTORY SERVICES, INC. A provider of physical inventory taking and other related services to retailers. 12.5% Senior Subordinated Note due 2011 $ 569,524 11/03/00 558,598 580,914 Senior Preferred Stock (B) 2,484 shs. 11/01/00 118,605 115,712 Class B Common Stock (B) 4,743 shs. 11/01/00 4,743 43,669 Warrant, exercisable until 2011, to purchase common stock at $.01 per share (B) 2,107 shs. 11/03/00 -- 19,380 ------------ ------------ 681,946 759,675 ------------ ------------ WEASLER HOLDINGS LLC A manufacturer of mechanical power transmission components for the agricultural, lawn and turf industries. Limited Partnership Interest (B) 0.82% int. 02/03/04 53,570 51,427 Warrant, exercisable until 2010, to purchase common stock at $.01 per share (B) 136 shs. 02/04/03 111,086 1 ------------ ------------ 164,656 51,428 ------------ ------------ WICOR AMERICAS, INC. A manufacturer of cellulose based insulation products, systems and services for electrical transformer equipment manufacturers. 20% Senior Subordinated Secured Note due 2009 $ 1,334,139 11/09/01 1,329,071 1,262,807 ------------ ------------ TOTAL PRIVATE PLACEMENT INVESTMENTS $ 92,149,905 $ 84,283,686 ------------ ------------ -------------------------------------------------------------------------------- 21 CONSOLIDATED SCHEDULE OF INVESTMENTS(CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Shares or Interest Due Principal CORPORATE RESTRICTED SECURITIES (A) (CONTINUED) Rate Date Amount Cost Fair Value ---- ---- ------ ---- ------------ RULE 144A SECURITIES - 10.04%: (A) BONDS - 9.62% A E S Corporation 8.750% 05/15/13 $ 425,000 $ 479,592 $ 479,188 A E S Corporation 9.000 05/15/15 175,000 175,000 197,313 Appleton Papers, Inc. 8.125 06/15/11 250,000 250,000 257,500 Argo Tech Corporation 9.250 06/01/11 425,000 425,000 455,813 BCP Caylux Holding Lux SCA 9.625 06/15/14 550,000 551,719 594,000 Blockbuster, Inc. 9.000 09/01/12 150,000 150,000 155,625 Bombardier Capital, Inc. 6.125 06/29/06 500,000 513,001 495,950 Bombardier Capital, Inc. 6.300 05/01/14 500,000 440,315 431,819 Cablevision Systems Corporation 5.670 04/01/09 450,000 450,000 468,000 Cadmus Communications Corporation 8.375 06/15/14 350,000 350,000 377,125 Charter Communications Op LLC 8.000 04/30/12 500,000 498,750 498,750 Chesapeake Energy Corporation 7.000 08/15/14 150,000 150,000 158,625 Collins & Aikman Products Co. 12.875 08/24/12 150,000 144,661 138,375 GulfMark Offshore, Inc. 7.750 07/15/14 300,000 298,725 303,750 IMAX Corporation 9.625 12/01/10 250,000 250,000 249,375 Interactive Health LLC 7.250 04/01/11 500,000 407,016 430,000 Jostens I H Corporation 7.625 10/01/12 650,000 650,000 653,250 K 2, Inc. 7.375 07/01/14 150,000 150,000 159,000 M G M Mirage, Inc. 6.000 10/01/09 225,000 228,356 228,094 Metaldyne Corporation 10.000 11/01/13 340,000 342,188 316,200 North American Energy Partners 8.750 12/01/11 200,000 200,000 195,000 O E D Corp/Diamond Jo Company Guarantee 8.750 04/15/12 500,000 492,980 462,500 Pacific Energy Partners 7.125 06/15/14 250,000 245,635 270,625 Pinnacle Food Holding 8.250 12/01/13 225,000 225,000 212,062 Sheridan Acquisition Corporation 10.250 08/15/11 225,000 222,001 243,562 Siebe PLC 6.500 01/15/10 350,000 308,000 316,750 TCW Leveraged Income Trust, L.P. (B) 8.410 09/30/04 1,500,000 1,500,000 468,000 Tenet Healthcare Corporation 9.875 07/01/14 350,000 341,859 365,750 Warner Music Group 7.375 04/15/14 125,000 125,000 129,375 Wornick Co. 10.875 07/15/11 350,000 350,000 374,500 ------------ ------------ ------------ TOTAL BONDS $ 11,065,000 10,914,798 10,085,876 ============ ------------ ------------ CONVERTIBLE BONDS - 0.42% Cymer, Inc. 3.500% 02/15/09 $ 450,000 $ 450,000 $ 444,937 ------------ ------------ ------------ TOTAL CONVERTIBLE BONDS $ 450,000 450,000 444,937 ============ ------------ ------------ CONVERTIBLE PREFERRED STOCK - 0.00% D T Industries, Inc. (B) 10,000 $ 500,000 $ -- ------------ ------------ TOTAL CONVERTIBLE PREFERRED STOCK 500,000 -- ------------ ------------ WARRANTS - 0.00% Winsloew Furniture, Inc. (B) 700 $ 7 $ 11 ------------ ------------ TOTAL WARRANTS 7 11 ------------ ------------ TOTAL RULE 144A SECURITIES 11,864,805 10,530,824 ------------ ------------ TOTAL CORPORATE RESTRICTED SECURITIES $104,014,710 $ 94,814,510 ------------ ------------ -------------------------------------------------------------------------------- 22 CONSOLIDATED SCHEDULE OF INVESTMENTS (CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Interest Due Principal CORPORATE PUBLIC SECURITIES - 22.20%: (A) Rate Date Amount Cost Market Value ---- ---- ------ ---- ------------ BONDS - 19.69% A E P Industries, Inc. 9.875% 11/15/07 $ 150,000 $ 142,874 $ 152,812 Activant Solutions, Inc. 10.500 06/15/11 400,000 403,375 412,000 Aearo Co. 8.250 04/15/12 225,000 225,000 229,500 Airplanes Pass Thru Trust (B) 8.150 03/15/19 1,399,350 1,398,113 -- Allied Waste NA 7.375 04/15/14 500,000 487,500 481,250 American Media Operation, Inc. 8.875 01/15/11 475,000 475,735 492,812 Arrow Electronics, Inc. 7.000 01/15/07 500,000 529,320 534,811 C S C Holdings, Inc. 7.625 04/01/11 250,000 251,122 263,437 Cenveo Corporation 7.875 12/01/13 550,000 550,000 536,250 Chemed Corporation 8.750 02/24/11 600,000 600,000 618,000 Cincinnati Bell, Inc. 8.375 01/15/14 550,000 503,750 501,875 Collins & Aikman Products Co. 10.750 12/31/11 300,000 309,527 300,000 Del Monte Corporation 8.625 12/15/12 200,000 200,000 222,500 Dollar Financial Group 9.750 11/15/11 325,000 325,000 344,500 Dominos, Inc. 8.250 07/01/11 109,000 108,213 117,992 Electronic Data Systems Co. 7.125 10/15/09 500,000 506,555 537,070 Esterline Technologies 7.750 06/15/13 175,000 175,000 187,250 Flextronics International Ltd. 6.500 05/15/13 250,000 250,000 255,625 Ford Motor Credit Co. 5.800 01/12/09 500,000 499,070 518,246 G F S I, Inc. 9.625 03/01/07 375,000 335,792 362,813 Gencorp, Inc. 9.500 08/15/13 200,000 200,000 214,000 General Motors Acceptance Corporation 5.850 01/14/09 500,000 503,944 516,911 General Nutrition Center 8.500 12/01/10 425,000 435,938 434,563 Goodyear Tire & Rubber Co. 7.857 08/15/11 350,000 327,250 329,875 Hexcel Corporation 9.750 01/15/09 340,000 340,000 357,000 Houghton Mifflin Co. 9.875 02/01/13 500,000 528,583 525,000 Huntsman LLC 11.625 10/15/10 250,000 247,038 289,375 Intrawest Corporation 7.500 10/15/13 250,000 250,000 259,063 Koppers, Inc. 9.875 10/15/13 250,000 250,000 276,250 Leucadia National Corporation 7.000 08/15/13 350,000 357,432 348,250 Lodgenet Entertainment Corporation 9.500 06/15/13 375,000 375,000 408,750 Lyondell Chemical Co. 9.500 12/15/08 450,000 461,769 491,063 M S X International, Inc. 11.000 10/15/07 175,000 173,502 173,250 Majestic Star Casino LLC 9.500 10/15/10 250,000 250,000 255,000 Manitowoc Company, Inc. 7.125 11/01/13 100,000 100,000 105,750 Mediacom LLC 9.500 01/15/13 600,000 592,750 577,500 Nalco Co. 7.750 11/15/11 250,000 250,000 265,000 Neff Corporation 10.250 06/01/08 90,000 89,000 76,500 Nextel Communications Corporation 7.375 08/01/15 400,000 410,825 430,000 Northwest Airlines Corporation 8.970 01/02/15 711,425 711,425 448,496 Numatics, Inc. 9.625 04/01/08 375,000 376,932 337,500 Offshore Logistics, Inc. 6.125 06/15/13 350,000 350,000 355,250 Pliant Corporation 0.000 06/15/09 675,000 564,574 577,125 Quintiles Transnational Corporation 10.000 10/01/13 250,000 250,000 265,000 Rayovac Corporation 8.500 10/01/13 175,000 175,000 189,875 Rent-A-Center, Inc. 7.500 05/01/10 250,000 250,000 258,750 Rent-Way, Inc. 11.875 06/15/10 450,000 473,299 490,500 Rhodia SA 8.875 06/01/11 250,000 249,834 217,500 Rhodia SA 10.250 06/01/10 250,000 252,796 258,750 S P X Corporation 6.250 06/15/11 250,000 250,000 243,750 Service Corp International 6.000 12/15/05 21,000 21,119 21,578 Sports Club Co. 11.375 03/15/06 100,000 97,000 95,000 Tekni-Plex, Inc. 12.750 06/15/10 500,000 483,500 417,500 -------------------------------------------------------------------------------- 23 Shares or Interest Due Principal CORPORATE PUBLIC SECURITIES (A) (CONTINUED) Rate Date Amount Cost Fair Value ---- ---- ------ ---- ------------ Telex Communications, Inc. 11.500% 10/15/08 $ 250,000 $ 250,000 $ 270,000 Tenet Healthcare Corporation 6.375 12/01/11 250,000 241,250 224,375 Triton P C S, Inc. 8.500 06/01/13 500,000 500,000 453,750 Tyco International Group SA 6.375 10/15/11 150,000 148,500 165,888 United Rentals, Inc. 7.750 11/15/13 325,000 325,000 304,688 Vicorp Restaurants Inc. 10.500 04/15/11 300,000 296,373 298,500 Von Hoffman Press, Inc. 10.250 03/15/09 175,000 184,357 194,250 Vought Aircraft Industries 8.000 07/15/11 650,000 649,482 624,000 Williams Scotsman, Inc. 9.875 06/01/07 250,000 246,250 239,375 Winsloew Furniture, Inc. 12.750 08/15/07 350,000 342,017 288,750 ------------ ------------ ------------ TOTAL BONDS $ 22,245,775 22,107,685 20,641,993 ============ ------------ ------------ COMMON STOCK - 2.00% Convera Corporation (B) 21,050 $ 771,153 $ 77,675 D T Industries, Inc. (B) 89,438 584,047 268 Distributed Energy Systems 1 4,000 177,078 25,480 EOS International, Inc. (B) 39,375 438,156 4,725 H C I Direct, Inc. (B) 500 -- -- I T C/Deltacom, Inc. (B) 11,750 227,950 51,818 Rent-Way, Inc. (B) 46,432 458,123 318,059 Transmontaigne, Inc. (B) 277,771 909,179 1,616,627 ------------ ------------ TOTAL COMMON STOCK 3,565,686 2,094,652 ------------ ------------ CONVERTIBLE BONDS - 0.51% Leucadia National Corporation 3.750% 04/15/14 $ 500,000 $ 500,000 $ 537,500 ------------ ------------ ------------ TOTAL CONVERTIBLE BONDS $ 500,000 500,000 537,500 ============ ------------ ------------ TOTAL CORPORATE PUBLIC SECURITIES $ 26,173,371 $ 23,274,145 ------------ ------------ Interest Due Principal SHORT-TERM SECURITIES: Rate/Yield Date Amount Cost Market Value ---------- ---- ------ ---- ------------ COMMERCIAL PAPER - 4.78% Albertson's, Inc. 1.810% 10/06/04 $ 1,110,000 $ 1,109,721 $ 1,109,721 Carolina Power & Light Co. 1.851 10/07/04 300,000 299,908 299,908 Elsevier Finance S A 1.891 10/01/04 2,165,000 2,165,000 2,165,000 Pearson Holdings, Inc. 1.851 10/12/04 140,000 139,920 139,920 Textron Financial Corporation 1.800 10/04/04 1,300,000 1,299,805 1,299,805 ------------ ------------ ------------ TOTAL SHORT-TERM SECURITIES $ 5,015,000 $ 5,014,354 $ 5,014,354 ============ ------------ ------------ TOTAL INVESTMENTS 117.42% $135,202,435 123,103,009 ============ ------------ Other Assets 5.26 5,515,513 Liabilities (22.68) (23,774,680) ------- ------------ Total Net Assets 100.00% $104,843,842 ======= ============ (A) In each of the convertible note, warrant, convertible preferred and common stock investments, the issuer has agreed to provide certain registration rights. (B) Non-income producing security. -------------------------------------------------------------------------------- 24 CONSOLIDATED SCHEDULE OF INVESTMENTS (CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Fair Value/ Fair Value/ INDUSTRY CLASSIFICATION: (Cont.) Market Value INDUSTRY CLASSIFICATION: (Cont.) Market Value -------------- -------------- AEROSPACE - 2.62% BUILDINGS & REAL ESTATE - 5.45% Argo Tech Corporation $ 455,813 A W C Holding Company $ 1,117,006 Esterline Technologies 187,250 Adorn, Inc. 1,182,364 Hexcel Corporation 357,000 Eagle Window & Door Holding Co. 1,666,030 Qualis Automotive LLC 1,124,061 Shelter Acquisition, Inc. 1,182,644 Vought Aircraft Industries 624,000 TruStile Doors, Inc. 569,278 -------------- -------------- 2,748,124 5,717,322 -------------- -------------- AIRLINES - 0.43% CARGO TRANSPORT - 2.19% Northwest Airlines Corporation 448,496 Kenan-Advantage Transport Company 1,307,414 -------------- Tidewater Holdings, Inc. 983,192 AUTOMOBILE - 7.57% -------------- America's Body Company, Inc./LCP 2,290,606 Holding Co. 1,312,500 -------------- Collins & Aikman Products Co. 438,375 CHEMICAL, PLASTICS Gencorp, Inc. 214,000 & RUBBER - 2.58% Goodyear Tire & Rubber Co. 329,875 Capital Specialty Plastics, Inc. 252 Jason, Inc. 832,922 Huntsman LLC 289,375 LIH Investors, L.P. 2,721,018 Koppers, Inc. 276,250 Metaldyne Corporation 316,200 Lyondell Chemical Co. 491,063 Nyloncraft, Inc. 1,768,712 Process Chemicals LLC -- -------------- Rhodia SA 476,250 7,933,602 Tomah Holdings, Inc. 1,170,748 -------------- -------------- BEVERAGE, DRUG & FOOD - 5.09% 2,703,938 Beta Brands Ltd. -- -------------- Cains Foods, L.P. 97,201 CONSUMER PRODUCTS - 8.32% Del Monte Corporation 222,500 Appleton Papers, Inc. 257,500 Dominos, Inc. 117,992 Colibri Holdings Corporation 1,012,258 Eagle Pack Pet Foods, Inc. 560,804 Euro-Pro Corporation 1,135,650 Nonni's Food Company 1,159,735 G F S I, Inc. 362,813 Pinnacle Food Holding 212,062 H C I Direct, Inc. -- River Ranch Fresh Foods LLC 1,119,231 K 2, Inc. 159,000 Specialty Foods Group, Inc. 49,487 Maverick Acquisition Company 662,955 Vicorp Restaurants, Inc. 298,500 Neff Motivation, Inc. 76,500 Vitality Foodservice, Inc. 1,121,381 Rayovac Corporation 189,875 Wornick Co. 374,500 Royal Baths Manufacturing Company 562,781 -------------- Savage Sports Holdings, Inc. 1,102,678 5,333,393 The Tranzonic Companies 1,811,575 -------------- Walls Industries, Inc. 1,106,493 BROADCASTING & Winsloew Furniture, Inc. 288,761 ENTERTAINMENT - 2.84% -------------- C S C Holdings, Inc. 263,437 8,728,839 Cablevision Systems Corporation 468,000 -------------- Cenveo Corporation 536,250 Charter Communications Op LLc 498,750 Lodgenet Entertainment Corporation 408,750 Mediacom Communications Corporation 577,500 M G M Mirage, Inc. 228,094 -------------- 2,980,781 -------------- -------------------------------------------------------------------------------- 25 CONSOLIDATED SCHEDULE OF INVESTMENTS (CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Fair Value/ Fair Value/ INDUSTRY CLASSIFICATION: (Cont.) Market Value INDUSTRY CLASSIFICATION: (Cont.) Market Value -------------- -------------- CONTAINERS, PACKAGING ELECTRONICS - 4.28% & GLASS - 6.98% A E S Corporation $ 676,501 A E P Industries, Inc. $ 152,812 Arrow Electronics, Inc. 534,811 Paradigm Packaging, Inc. 1,288,125 Directed Electronics, Inc. 1,134,746 Pliant Corporation 577,125 Distributed Energy Systems 25,480 Selig Acquisition Corporation 1,368,793 Electronic Data Systems Co. 537,070 Snyder Industries, Inc. 2,328,066 Flextronics International Ltd. 255,625 Tekni-Plex, Inc. 417,500 Precision Dynamics, Inc. 1,010,586 Vitex Packaging, Inc. 1,185,496 Siebe PLC 316,750 -------------- -------------- 7,317,917 4,491,569 -------------- -------------- DISTRIBUTION - 6.95% FARMING & AGRICULTURE - 0.00% Corvest Group, Inc. 1,965,370 Polymer Technologies, Inc./Poli-Twine G C-Sun Holdings L.P. 690,000 Western, Inc. -- Kele and Associates, Inc. 1,228,836 Protein Genetics, Inc. -- QualServ Corporation 1,131,606 -------------- Strategic Equip & Supply Corporation, Inc. 2,272,500 FINANCIAL SERVICES - 3.41% -------------- Airplanes Pass Thru Trust -- 7,288,312 BCP Caylux Holding Lux SCA 594,000 -------------- Dollar Financial Group 344,500 DIVERSIFIED/CONGLOMERATE, East River Ventures I, L.P. 6,821 MANUFACTURING - 5.38% Ford Motor Credit Co. 518,246 Activant Solutions, Inc. 412,000 General Motors Acceptance Corporation 516,911 Bombardier Capital, Inc. 927,769 Highgate Capital LLC 681 Coining of America LLC 1,107,316 Leucadia National Corporation 885,750 Dexter Magnetics Technologies, Inc. 523,694 TCW Leveraged Income Trust, L.P. 468,000 Evans Consoles, Inc. 301,500 Victory Ventures LLC 2 S P X Corporation 243,750 Williams Scotsman, Inc. 239,375 Tinnerman-Palnut Engineered Components 697,584 -------------- Tyco International Group SA 165,888 3,574,286 Wicor Americas, Inc. 1,262,807 -------------- -------------- HEALTHCARE, EDUCATION & 5,642,308 CHILDCARE - 4.65% -------------- A T I Acquisition Company 1,119,912 DIVERSIFIED/CONGLOMERATE, American Hospice Management Holding LLC 1,284,765 SERVICE - 6.95% Interactive Health LLC 430,000 Allied Waste NA 481,250 MedAssist, Inc. 1,186,901 CapeSuccess LLC 2,512 Quintiles Transnational Corporation 265,000 Chemed Corporation 1,203,270 Tenet Healthcare Corporation 590,125 Diversco, Inc./DHI Holdings, Inc. 696,032 -------------- Dwyer Group, Inc. 1,291,909 4,876,703 Examination Management Services, Inc. -- -------------- Hamilton Funeral Services Centers, Inc. 220,803 HOME & OFFICE FURNISHINGS, Lancaster Laboratories, Inc. 434,778 HOUSEWARES, AND DURABLE Moss, Inc. 869,764 CONSUMER PRODUCTS - 4.55% M S X International, Inc. 173,250 Home Decor Holding Company 1,128,148 Service Corp International 21,578 Hussey Seating Corporation 1,932,611 U S M Holdings Corporation 1,127,156 Sport Court International, Inc. 583,789 Washington Inventory Services, Inc. 759,675 U-Line Corporation 1,128,893 -------------- -------------- 7,281,977 4,773,441 -------------- -------------- -------------------------------------------------------------------------------- 26 CONSOLIDATED SCHEDULE OF INVESTMENTS (CONT.) MASSMUTUAL PARTICIPATION INVESTORS September 30, 2004 (Unaudited) Fair Value/ Fair Value/ INDUSTRY CLASSIFICATION: (Cont.) Market Value INDUSTRY CLASSIFICATION: (Cont.) Market Value -------------- -------------- LEISURE, AMUSEMENT, PHARMACEUTICALS - 0.49% ENTERTAINMENT - 2.25% Enzymatic Therapy, Inc. $ 509,066 IMAX Corporation $ 249,375 -------------- Intrawest Corporation 259,063 PUBLISHING/PRINTING - 2.37% Keepsake Quilting, Inc. 999,866 American Media Operation, Inc. 492,812 Majestic Star Casino LLC 255,000 Cadmus Communications Corporation 377,125 O E D Corp/Diamond Jo Company Guarantee 462,500 Houghton Mifflin Co. 525,000 Warner Music Group 129,375 Jostens I H Corporation 653,250 -------------- Sheridan Acquisition Corporation 243,562 2,355,179 Von Hoffman Press, Inc. 194,250 -------------- -------------- MACHINERY - 12.79% 2,485,999 Aearo Co. 229,500 -------------- C & M Conveyor, Inc. 1,207,907 RETAIL STORES - 5.84% D T Industries, Inc. 268 Blockbuster, Inc. 155,625 Integration Technology Systems, Inc. 950,164 EOS International, Inc. 4,725 Manitowoc Company, Inc. 105,750 General Nutrition Center 434,563 Maxon Corporation 1,471,941 Neff Corporation 627,680 NPC, Inc. 2,051,536 Olympic Sales, Inc. 1,870,050 Numatics, Inc. 337,500 P H I Holding Company 1,339,651 PW Eagle, Inc. 748,894 Rent-A-Center, Inc. 258,750 Safety Speed Cut Manufacturing Company, Inc. 1,869,412 Rent-Way, Inc. 808,559 Synventive Equity LLC 1,144,959 Sports Club Co. 95,000 Tronair, Inc. 1,749,277 TVI, Inc. 219,375 Tubular Textile Machinery 1,486,241 United Rentals, Inc. 304,688 Weasler Holdings LLC 51,428 -------------- -------------- 6,118,666 13,404,777 -------------- -------------- TECHNOLOGY - 0.71% MEDICAL DEVICES/BIOTECH - 2.78% Convera Corporation 77,675 Beacon Medical Products, Inc. 1,128,826 Cymer, Inc. 444,937 Coeur, Inc. 648,497 Delstar Holding Corporation 220,944 E X C Acquisition Corporation 1,139,006 -------------- -------------- 743,556 2,916,329 -------------- -------------- TELECOMMUNICATIONS - 1.63% MINING, STEEL, IRON Cincinnati Bell, Inc. 501,875 & NON PRECIOUS METALS - 0.05% I T C/Deltacom, Inc. 51,818 Better Minerals & Aggregates 54,525 Nextel Communications Corporation 430,000 -------------- Telex Communications, Inc. 270,000 OIL AND GAS - 3.24% Triton P C S, Inc. 453,750 Chesapeake Energy Corporation 158,625 -------------- GulfMark Offshore, Inc. 303,750 1,707,443 Mustang Ventures Company 496,624 -------------- North American Energy Partners 195,000 UTILITIES - 0.25% Offshore Logistics, Inc. 355,250 Nalco Co. 265,000 Pacific Energy Partners 270,625 -------------- Transmontaigne, Inc. 1,616,627 Total Corporate Restricted -------------- and Public Securities - 112.64% $ 118,088,655 3,396,501 ============== -------------- -------------------------------------------------------------------------------- 27 ITEM 2. CONTROLS AND PROCEDURES. (a) The principal executive officer and principal financial officer of the registrant evaluated the effectiveness of the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940 (the "Act")) as of a date within 90 days of the filing date of this report and based on this evaluation have concluded that such disclosure controls and procedures are effective to provide reasonable assurance that information required to be disclosed by the registrant on Form N-Q is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission's rules and forms. (b) There has been no change in the registrant's internal control over financial reporting (as defined in Rule 30a-3(d) under the Act) that occurred during the registrant's last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. ITEM 3. EXHIBITS. Certifications pursuant to Rule 30a-2(a) under the Investment Company Act of 1940 (17CFR 270.30a-2(a)) are attached hereto as an exhibit. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. (Registrant) MassMutual Participation Investors ---------------------------------- By (Signature and Title)* /s/ Roger W. Crandall --------------------------------------------- Roger W. Crandall, President Date November 24, 2004 ------------------------------------------------------------------ Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. By (Signature and Title)* /s/ Roger W. Crandall --------------------------------------------- Roger W. Crandall, President Date November 24, 2004 ------------------------------------------------------------------ By (Signature and Title)* /s/ Charles C. McCobb, Jr. --------------------------------------------- Charles C. McCobb, Jr., Vice President and Chief Financial Officer Date November 24, 2004 ------------------------------------------------------------------ * PRINT THE NAME AND TITLE OF EACH SIGNING OFFICER UNDER HIS OR HER SIGNATURE.