UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANIES Investment Company Act file number: 811-05207 ACM INCOME FUND, INC. (Exact name of registrant as specified in charter) 1345 Avenue of the Americas, New York, New York 10105 (Address of principal executive offices) (Zip code) Mark R. Manley Alliance Capital Management L.P. 1345 Avenue of the Americas New York, New York 10105 (Name and address of agent for service) Registrant's telephone number, including area code: (800) 221-5672 Date of fiscal year end: December 31, 2007 Date of reporting period: March 31, 2006 ITEM 1. SCHEDULE OF INVESTMENTS. 2 PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund Principal Amount (000) U.S. $ Value -------------------------------------------------------------------------------- U.S. GOVERNMENT AND GOVERNMENT SPONSORED AGENCY OBLIGATIONS-99.5% U.S. Treasury Bonds-36.1% 5.375%, 2/15/31(a) ..................... U.S.$ 1,961 $ 2,064,258 6.25%, 5/15/30(b) ...................... 62,230 72,726,459 11.25%, 2/15/15(b) ..................... 160,000 232,312,480 12.00%, 8/15/13(a) ..................... 82,000 95,027,094 12.50%, 8/15/14(a) ..................... 70,300 86,891,925 13.25%, 5/15/14(a) ..................... 150,000 186,216,750 -------------- 675,238,966 -------------- U.S. Treasury Notes-17.5% 2.625%, 5/15/08(a) ..................... 24,615 23,534,254 3.00%, 11/15/07(a) ..................... 50,000 48,566,400 3.25%, 8/15/07(a) ...................... 80,000 78,300,000 3.50%,11/15/09(a) ...................... 154 147,262 3.875%, 2/15/13(a) ..................... 3,030 2,856,960 4.00%, 9/30/07-11/15/12(a)(b) .......... 54,614 53,767,440 4.125%, 8/15/08-5/15/15(a) ............. 3,074 2,973,243 4.25%, 11/30/07-8/15/15(a) ............. 21,020 20,491,615 4.375%, 8/15/12(a) ..................... 700 681,816 4.50%, 11/15/15(b) ..................... 36,435 35,356,196 4.50%, 2/15/16(a) ...................... 598 581,602 4.75%, 5/15/14(a)(b) ................... 60,280 59,752,550 4.875%, 2/15/12(a) ..................... 250 250,391 -------------- 327,259,729 -------------- U.S. Treasury Strips-14.9% Zero coupon, 5/15/17(a) ................ 260,000 149,831,760 Zero coupon, 11/15/21(a) ............... 285,350 129,174,235 -------------- 279,005,995 -------------- Federal National Mortgage Association-20.8% 5.00%, TBA ............................. 53,460 50,887,237 5.00%, 1/01/18-10/25/33(a) ............. 37,191 18,689,446 5.375%, 6/07/21(c) ..................... GBP 144 269,057 5.50%, TBA ............................. U.S.$ 115,505 112,725,719 5.50%, 9/25/17-7/25/34(a) .............. 15,771 15,542,024 6.00%, TBA ............................. 36,960 36,948,468 6.50%, TBA ............................. 111,260 113,346,125 6.50%, 1/01/36(c) ...................... 9,100 9,305,461 6.50%, 4/25/32-2/01/36(a) .............. 30,854 31,462,093 -------------- 389,175,630 -------------- Federal Home Loan Mortgage Corporation-5.8% 5.00%, 4/15/16(a) ...................... 10,623 10,460,729 5.50%, 7/15/17(a) ...................... 15,680 15,782,674 5.50%, 10/01/27(c) ..................... 73,095 71,358,994 6.00%, 6/01/20(a) ...................... 9,451 9,567,620 -------------- 107,170,017 -------------- Resolution Funding Corp.-3.8% Zero coupon, 10/15/20 .................. 150,000 70,431,900 -------------- Government National Mortgage Association-0.6% 6.00%, 7/20/32(c) ...................... 6,560 6,564,100 7.00%, 12/15/26(a) ..................... 4,274 4,451,232 -------------- 11,015,332 -------------- Total U.S. Government and Government Sponsored Agency Obligations (cost $1,857,809,295) ................. 1,859,297,569 -------------- PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund Principal Amount (000) U.S. $ Value -------------------------------------------------------------------------------- SOVEREIGN DEBT OBLIGATIONS-33.3% ARGENTINA-1.6% Republic of Argentina Zero Coupon, 12/15/35(c) ................ U.S.$ 6,338 $ 570,420 Zero Coupon, 12/15/35(c) ................ ARS 4,423 130,628 0.63%, 12/31/38(c) ...................... 1,285 212,272 4.889%, 8/03/12 FRN(c) .................. U.S.$ 20,783 19,283,239 5.83%, 12/31/33(c) ...................... ARS 1,320 542,594 7.82%, 12/31/33(c) ...................... EUR 5,648 6,605,359 8.28%, 12/31/33(b) ...................... U.S.$ 2,183 2,145,186 ------------ 29,489,698 ------------ BRAZIL-9.6% Brazilian Real Structured Notes Zero Coupon, 9/20/07(d) ................. BRL 120,551 45,397,471 Zero Coupon, 1/03/08(d) ................. 59,180 21,470,725 Zero Coupon, 1/05/09(d) ................. 76,692 24,195,934 Zero Coupon, 1/05/10(d) ................. 180,614 49,460,567 Republic of Brazil 7.125%, 1/20/37(b)(c) ................... 3,865 3,787,700 8.00%, 1/15/18(c) ....................... 1,144 1,240,096 8.25%, 1/20/34(c) ....................... 3,274 3,606,311 8.875%, 10/14/19(c) ..................... 539 623,353 10.50%, 7/14/14(c) ...................... 2,137 2,660,565 12.00%, 4/15/10(c) ...................... 11,100 13,542,000 12.50%, 1/05/16(c) ...................... 15,439 7,205,818 12.75%, 1/15/20(c) ...................... U.S.$ 3,400 5,057,500 Republic of Brazil-DCB FRN Series L 5.25%, 4/15/12(c) ....................... 1,554 1,555,440 ------------ 179,803,480 ------------ BULGARIA-0.0% Republic of Bulgaria 8.25%, 1/15/15(d) ....................... 346 404,474 ------------ COLOMBIA-1.0% Republic of Colombia 10.75%, 1/15/13(c) ...................... 1,239 1,535,121 11.75%, 3/01/10(c) ...................... COP 14,062,000 7,072,587 11.75%, 2/25/20(c) ...................... U.S.$ 6,404 9,109,690 12.00%, 10/22/15(c) ..................... COP 950,000 528,639 ------------ 18,246,037 ------------ COSTA RICA-0.1% Costa Rican Colon Structured Notes Zero Coupon, 1/12/07(d) ................. CRC 226,359 403,470 Republic of Costa Rica 8.05%, 1/31/13(d) ....................... U.S.$ 195 210,112 8.11%, 2/01/12(d) ....................... 227 244,025 ------------ 857,607 ------------ DOMINICAN REPUBLIC-0.0% Dominican Peso Structured Notes Zero Coupon, 12/11/06(d) ................ DOP 13,100 364,680 Zero Coupon, 3/12/07(d) ................. 3,936 104,820 Dominican Republic 9.50%, 9/27/11(d) ....................... U.S.$ 229 246,699 ------------ 716,199 ------------ ECUADOR-0.1% Republic of Ecuador 9.00%, 8/15/30(d)(e) .................... 1,161 1,169,708 9.375%, 12/15/15(d) ..................... 348 365,400 ------------ 1,535,108 ------------ EL SALVADOR-0.0% Republic of El Salvador 7.625%, 9/21/34(d) ...................... 527 575,748 7.65%, 6/15/35(d) ....................... 19 19,903 ------------ 595,651 ------------ PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund Principal Amount (000) U.S. $ Value -------------------------------------------------------------------------------- France-0.1% French Treasury Note 3.00%, 1/12/10(c) ....................... EUR 600 $ 714,672 ------------ Indonesia-0.7% Indonesian Rupiah Structured Notes 11.00%, 11/18/20(d) ..................... IDR 3,553,512 355,936 12.90%, 3/15/16(d) ...................... 2,102,200 237,084 14.00%, 6/17/09(d) ...................... 4,000,000 463,271 14.25%, 6/19/13(d) ...................... 80,000,000 9,677,102 Republic of Indonesia 6.75%, 3/10/14(d) ....................... U.S.$ 965 960,175 6.875%, 3/09/17(d) ...................... 269 264,965 7.25%, 4/20/15(d) ....................... 362 370,688 8.50%, 10/12/35(d) ...................... 251 279,865 ------------ 12,609,086 ------------ Lebanon-0.1% Lebanese Republic 7.875%, 5/20/11(d) ...................... U.S.$ 270 280,530 10.125%, 8/06/08(d) ..................... 875 940,187 11.625%, 5/11/16(d) ..................... 120 151,860 ------------ 1,372,577 ------------ Mexico-5.7% Mexican Bonos 8.00%, 12/19/13(c) ...................... MXN 59,613 5,344,166 9.00%, 12/22/11(c) ...................... 324,550 30,639,393 9.00%, 12/20/12(c) ...................... 384,205 36,348,807 10.00%, 12/05/24(c) ..................... 197,428 20,254,287 United Mexican States 6.375%, 1/16/13(c) ...................... U.S.$ 2,626 2,691,650 7.50%, 1/14/12(c) ....................... 775 837,000 8.00%, 9/24/22(c) ....................... 2,170 2,536,730 8.125%, 12/30/19(c) ..................... 3,775 4,435,625 9.875%, 2/01/10(c) ...................... 2,180 2,485,200 11.375%, 9/15/16(c) ..................... 1,201 1,692,209 ------------ 107,265,067 ------------ Panama-0.2% Republic of Panama 6.70%, 1/26/36(c) ....................... 863 861,274 7.125%, 1/29/26(c) ...................... 973 997,325 7.25%, 3/15/15(c) ....................... 75 79,500 8.875%, 9/30/27(c) ...................... 372 451,980 9.375%, 7/23/12-4/01/29(c) .............. 283 346,278 9.625%, 2/08/11(c) ...................... 288 331,200 ------------ 3,067,557 ------------ Peru-0.7% Peru Bono Soberano 7.84%, 8/12/20(c) ....................... PEN 1,250 355,250 8.60%, 8/12/17(c) ....................... 7,350 2,263,549 9.91%, 5/05/15(c) ....................... 1,600 535,558 Republic of Peru 7.35%, 7/21/25(c) ....................... U.S.$ 1,273 1,250,086 8.375%, 5/03/16(c) ...................... 3,928 4,261,880 8.75%, 11/21/33(c) ...................... 3,854 4,297,210 9.875%, 2/06/15(c) ...................... 557 654,475 ------------ 13,618,008 ------------ Philippines-1.2% Republic of Philippines 7.75%, 1/14/31(c) ....................... 4,441 4,468,756 8.375%, 2/15/11(c) ...................... 84 91,031 8.875%, 3/17/15(c) ...................... 3,135 3,523,740 9.00%, 2/15/13(c) ....................... 450 487,125 9.50%, 2/02/30(c) ....................... 4,112 4,868,608 9.875%, 1/15/19(c) ...................... 750 901,875 10.625%, 3/16/25(c) ..................... 6,182 8,021,145 ------------ 22,362,280 ------------ Poland-0.0% Poland Government Bond 6.25%, 10/24/15(c) ...................... PLN 2,036 687,992 ------------ Russia-4.8% Russian Federation 5.00%, 3/31/30(d) ....................... U.S.$ 76,487 83,676,778 11.00%, 7/24/18(d) ...................... 490 702,660 Russian Ministry of Finance 3.00%, 5/14/08-5/14/11(c) ............... 6,020 5,651,226 ------------ 90,030,664 ------------ PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund Principal Amount (000) U.S. $ Value -------------------------------------------------------------------------------- South Korea-2.0% Korean Won Structured Notes 5.25%, 12/10/10-12/11/10(d) ............. KRW 36,649,060 $ 37,559,690 ------------ Spain-0.0% Kingdom of Spain 5.25%, 4/06/29(c) ....................... GBP 109 210,287 ------------ Turkey-3.0% Republic of Turkey 6.875%, 3/17/36(c) ...................... U.S.$ 953 919,645 7.375%, 2/05/25(c) ...................... 462 478,863 11.00%, 1/14/13(c) ...................... 1,860 2,332,440 11.50%, 1/23/12(c) ...................... 860 1,075,000 11.75%, 6/15/10(c) ...................... 623 749,158 11.875%, 1/15/30(c) ..................... 208 321,360 Turkish Lira Structured Notes Zero coupon, 1/25/07(d) ................. TRY 914 609,006 Zero coupon, 6/28/07(d) ................. 78,561 49,975,889 ------------ 56,461,361 ------------ Ukraine-0.1% Government of Ukraine 6.875%, 3/04/11(d) ...................... U.S.$ 302 304,265 7.65%, 6/11/13(d) ....................... 157 164,693 11.00%, 3/15/07(d) ...................... 320 331,539 ------------ 800,497 ------------ United Kingdom-1.1% United Kingdom Gilt 4.00%, 3/07/09(c) ....................... 8,666 14,860,044 4.25%, 6/07/32-3/07/36(c) ............... GBP 1,675 2,973,171 4.75%, 9/07/15(c) ....................... 45 80,266 5.00%, 3/07/25(c) ....................... 865 1,650,016 8.00%, 6/07/21(c) ....................... 205 498,744 8.75%, 8/25/17(c) ....................... 203 489,170 ------------ 20,551,411 ------------ Uruguay-0.3% Republic of Uruguay 7.50%, 3/15/15(c) ....................... 4,120 4,295,100 7.875%, 1/15/33 PIK(c) .................. 425 440,096 8.00%, 11/18/22(c) ...................... U.S.$ 334 349,030 9.25%, 5/17/17(c) ....................... 739 859,088 ------------ 5,943,314 ------------ Venezuela-1.0% Republic of Venezuela 5.614%, 4/20/11 FRN(d) .................. 420 421,218 8.50%, 10/08/14(c) ...................... 287 321,440 9.25%, 9/15/27(c) ....................... 8,614 10,939,780 10.75%, 9/19/13(c) ...................... 4,654 5,801,211 13.625%, 8/15/18(c) ..................... 422 648,825 ------------ 18,132,474 ------------ Total Sovereign Debt Obligations (cost $502,574,354) ..................... 623,035,191 ------------ CORPORATE DEBT OBLIGATIONS-11.7% Corporate Debt - High Yield Obligations-7.8% ABB International Finance LTD 11.50%, 5/29/09(c) ...................... GBP 40 80,101 Allied Domecq Finance PLC 6.625%, 4/18/11(c) ...................... 50 90,832 Antenna TV SA 7.25%, 2/15/15(d) ....................... EUR 10 12,285 Ardagh Glass Finance BV 8.875%, 7/01/13(d) ...................... 3 3,090 Associated Materials Inc. .................. Zero Coupon, 3/01/14(c)(f) .............. U.S.$ 12,545 7,213,375 AT&T Corp. ................................. 9.75%, 11/15/31(c) ...................... 1,000 1,194,063 Banco BMG SA 9.15%, 1/15/16(d) ....................... 400 410,000 C&M Finance LTD 8.10%, 2/01/16(d) ....................... 1,690 1,690,593 Central Bank of Nigeria 6.25%, 11/15/20(c) ...................... 2,000 2,002,600 PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund Principal Amount (000) U.S. $ Value -------------------------------------------------------------------------------- Central European Distribution Corp. 8.00%, 7/25/12(d)........................ EUR 78 $ 104,095 Chaoda Modern Agriculture 7.75%, 2/08/10(d)........................ U.S. $ 423 423,000 Charter Communications Holdings Zero coupon, 5/15/14(c)(f)............... 10,000 5,200,000 11.00%, 10/01/15(c)...................... 4,009 3,332,481 Citigroup (JSC Severstal) 9.25%, 4/19/14(d)........................ 230 247,871 Cognis GmbH 9.50%, 5/15/14(d)........................ EUR 5 6,908 Deutsche Bank AG for Gazstream SA 5.625%, 7/22/13(d)....................... U.S. $ 230 226,108 Digicel, Ltd. 9.25%, 9/01/12(d)........................ 865 914,738 Eircom Funding 8.25%, 8/15/13(c)........................ EUR 10 13,482 Evraz Group SA 8.25%, 11/10/15(d)....................... U.S. $ 5,502 5,557,020 Fairfax Financial Holdings Ltd. 8.30%, 4/15/26*.......................... 5,000 3,900,000 Ford Motor Co. 6.375%, 2/01/29(c)....................... 300 199,500 Ford Motor Credit Co. 4.95%, 1/15/08(c)........................ 152 141,646 6.625%, 6/16/08(c)....................... 454 429,706 7.00%, 10/01/13(c)....................... 1,500 1,341,609 8.625%, 11/01/10(c)...................... 25,000 23,951,400 Freeport-McMoran Copper & Gold, Inc. 10.125%, 2/01/10(c)...................... 500 538,750 Gazprom OAO 9.625%, 3/01/13(d)....................... 3,180 3,760,647 General Motors Acceptance Corp. 6.75%, 12/01/14(c)*...................... 10,000 9,002,050 6.875%, 9/15/11(c)....................... 3,995 3,723,656 8.00%, 11/01/31(c)*...................... 4,000 3,780,408 Hawaiian Telecom Communications, Inc. 12.50%, 5/01/15(d)*...................... 4,940 4,890,600 Heckler & Koch GmbH 9.25%, 7/15/11(d)........................ EUR 5 6,665 Hertz Corporation 10.50%, 1/01/16(d)*...................... U.S. $ 5,000 5,425,000 Inmarsat Finance PLC Zero coupon, 11/15/12(c)(f).............. 6,475 5,503,750 Kazkommerts International BV 8.50%, 4/16/13(d)........................ 125 133,438 Kyivstar 7.75%, 4/27/12(d)........................ 100 100,375 10.375%, 8/17/09(d)...................... 200 217,000 Legrand S.A. 8.50%, 2/15/25(c)........................ 10 12,250 Mobifon Holdings BV 12.50%, 7/31/10(c)....................... 5,205 5,946,713 Mobile Telesystems Finance S.A. 9.75%, 1/30/08(d)*....................... 1,185 1,245,731 NCL Corp. 10.625%, 7/15/14(c)...................... 3,845 3,979,575 Noble Group Ltd. 6.625%, 3/17/15(d)....................... 560 495,014 NRG Energy Inc. 7.25%, 2/01/14(c)........................ 5 5,081 7.375%, 2/01/16(c)....................... 15 15,319 Paxson Communications Corp. FRN 10.7769%, 1/15/13(d)..................... 6,000 5,940,000 Quality Distribution LLC 9.00%, 11/15/10(c)....................... 1,775 1,672,938 Rainbow National Services LLC 10.375%, 9/01/14(d)...................... 2,500 2,800,000 Reliant Energy Inc. 9.50%, 7/15/13(c)........................ 4,800 4,806,000 R H Donnelley Corp. 6.875%, 1/15/13(d)....................... 935 874,225 R H Donnelley Finance Corp. III 6.875%, 1/15/13(d)....................... 1,706 1,595,110 8.875%, 1/15/16(d)....................... 2,695 2,802,800 Rural Cellular Corp. 9.75%, 1/15/10(c)*....................... 4,500 4,567,500 PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund Principal Amount (000) U.S. $ Value -------------------------------------------------------------------------------- Russian Standard Finance SA 7.50%, 10/07/10(d)....................... U.S. $ 386 $ 377,798 Select Medical Corp. 10.82%, 9/15/15 FRN(d)*.................. 5,000 4,550,000 SGL Carbon Luxembourg SA 8.50%, 2/01/12(d)........................ EUR 10 13,300 SunGard Data Systems, Inc. 9.125%, 8/15/13(d)*...................... U.S. $ 3,500 3,701,250 Time Warner Telecom Inc. 10.125%, 2/01/11(c)*..................... 2,465 2,591,331 Tyumen Oil Co. 11.00%, 11/06/07(d)...................... 90 96,597 Unibanco 8.70%, 2/11/10(d)........................ BRL 4,290 1,903,142 Willis Group N America 5.125%, 7/15/10(c)....................... U.S. $ 500,000 489,470 Yioula Glassworks SA 9.00%, 12/01/15(d)....................... EUR 253 328,828 ------------ Total Corporate Debt - High Yield Obligations (cost $149,590,534)...................... 146,578,814 ------------ Corporate Debt - High Grade Obligations-3.8% Aegon NV 6.125%, 12/15/31(c)...................... GBP 26 52,689 AK Steel Corp. 7.875%, 2/15/09(c)*...................... U.S. $ 5,000 5,025,000 Allied Irish Banks PLC 5.25%, 9/01/15(c)........................ GBP 200 344,307 America Movil S.A. de C.V. 6.375%, 3/01/35(c)....................... U.S. $ 104 97,784 AMP Group Finance Services 7.125%, 8/06/19(c)....................... GBP 50 90,535 AMP UK Finance Services 6.375%, 11/17/10(c)...................... 110 198,585 Aries Vermogensverwaltng 9.60%, 10/25/14(d)....................... U.S. $ 11,750 14,680,450 Australia & New Zealand Banking Group Ltd. 4.875%, 12/22/08(c)...................... GBP 106 184,294 Aviva PLC 6.125%, 9/29/22(c)....................... 40 73,199 Bank of Scotland Capital Funding 8.117%, 5/31/10(d)(e).................... 90 173,505 Barclays Bank 8.55%, 6/15/11(d)........................ U.S. $ 638 717,832 9.875%, 5/12/08(c)....................... GBP 195 371,133 Berkley W R Corp. 6.15%, 8/15/19(c)........................ U.S. $ 100 97,768 BMW U.S. Capital Corp. 4.625%, 11/28/08(c)...................... GBP 60 103,472 British Sky Broadcasting PLC 7.75%, 7/09/09(c)........................ 94 175,238 British Telecommunications PLC 8.625%, 3/26/20(c)....................... 34 73,686 BSKYB Finance UK PLC 5.625%, 10/15/15(d)...................... U.S. $ 350 337,330 5.75%, 10/20/17(d)....................... GBP 126 219,266 Capital One Bank 6.50%, 6/13/13(c)........................ U.S. $ 1,200 1,248,691 CIT Group, Inc. 5.50%, 12/15/08(c)....................... GBP 175 307,158 Citigroup, Inc. 5.50%, 11/18/15(c)....................... 85 152,870 5.875%, 7/01/24(c) ...................... 32 61,329 Clear Channel Communications, Inc. 5.75%, 1/15/13(c)........................ U.S. $ 220 209,403 Columbia/HCA HealthCare Corp. 6.25%, 2/15/13(c)........................ 175 169,755 7.58%, 9/15/25(c)........................ 630 609,971 7.69%, 6/15/25(c)........................ 355 351,014 PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund Principal Amount (000) U.S. $ Value -------------------------------------------------------------------------------- Comcast Corp. 4.95%, 6/15/16(c)........................ U.S. $ 1,400 $1,275,805 Comerica Bank 8.375%, 7/15/24.......................... 2,000 2,316,438 Commerzbank CAP FUND 5.905%, 04/12/18(c)...................... GBP 50 86,493 Commonwealth Bank of Australia 4.875%, 12/19/23(c)...................... 180 306,705 Countrywide Home Loan 5.875%, 12/15/08(c)...................... 53 93,577 DaimlerChrysler NA Holding 7.50%, 12/07/06(c)....................... 210 370,584 Danske Bank A/S 5.563%, 3/16/17(c)....................... 46 81,124 Duke Capital Corp. 6.25%, 2/15/13(c)........................ U.S. $ 1,500 1,537,799 Emap PLC 6.25%, 12/09/13(c)....................... GBP 124 218,723 Farmers Exchange Capital 7.05%, 7/15/28(d)........................ U.S. $ 200 202,857 Farmers Insurance Exchange 8.625%, 5/01/24(d)....................... 250 292,072 FirstEnergy Corp. 6.45%, 11/15/11(c)....................... 243 251,441 7.375%, 11/15/31(c)...................... 491 545,390 Foodcorp Ltd. 8.875%, 6/15/12(d)....................... EUR 194 259,198 FP Finance PLC 9.125%, 11/25/06(d)(e)................... GBP 60 106,757 Friends Provident PLC 6.292%, 7/01/15(c)....................... 127 226,189 General Electric Capital Corp. 5.375%, 12/18/40(c)...................... 41 78,457 GE Capital UK Funding 4.75%, 3/15/11(c)........................ 120 206,699 Goldman Sachs Group Inc. 6.125%, 2/14/17(c)....................... 45 83,538 HBOS PLC 5.75%, 11/28/25(c)(e).................... 32 58,726 HSBC Bank USA 4.625%, 4/01/14(c)....................... U.S. $ 1,000 934,179 ILFC E-Capital Trust I 5.90%, 12/21/65(d)(e).................... 750 727,889 ING Bank NV 7.00%, 10/05/10(c)....................... GBP 95 177,904 Inter-American Development Bank 9.75%, 5/15/15(c)........................ 56 133,730 International Lease Finance Corp. 3.50%, 4/01/09(c)........................ U.S. $ 496 470,039 Investec Finance PLC 7.75%, 3/01/16(c)(e)..................... GBP 83 154,429 Ipalco Enterprises Inc. 8.375%, 11/14/08(c)...................... U.S. $ 100 104,500 J.P. Morgan Chase & Co. 6.625%, 3/15/12.......................... 1,400 1,471,683 KFW International Finance 5.375%, 12/07/11(c)...................... GBP 49 87,888 Legal & General Finance PLC 5.875%, 4/05/33(c)....................... 26 51,768 PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund Principal Amount (000) U.S. $ Value -------------------------------------------------------------------------------- Liberty Mutual Group Inc. 5.75%, 3/15/14(d)........................ U.S. $ 170 $ 165,255 Lloyds TSB Capital 7.834%, 2/07/15(c)(e).................... GBP 49 99,040 10.625%, 10/21/08(c)..................... 134 264,568 Marks & Spencer PLC 5.625%, 3/24/14(c)....................... 89 155,054 6.250%, 1/23/07(c)....................... 23 40,317 MBNA Europe Funding PLC 6.00%, 11/12/10(c)....................... 70 126,641 Merrill Lynch & Co. 6.00%, 2/17/09(c)........................ U.S. $ 100 101,785 Mizuho Finance 5.79%, 4/15/14(d)........................ 100 100,252 MM02 PLC 7.625%, 1/25/12(c)....................... GBP 106 205,381 MMG Fiduciary (AES EL Salvador) 144A 6.75%, 2/01/16(d)........................ U.S. $ 350 340,145 Morgan Stanley 5.125%, 11/30/15(c)...................... GBP 100 171,733 Nationwide Building Society 5.25%, 2/12/18(c)(e)..................... 65 113,608 Northern Rock PLC 5.75%, 2/28/17(c)(e)..................... 169 301,687 Oracle Corp. / Ozark Holding Inc. 5.25%, 1/15/16(d)........................ U.S. $ 980 940,107 PanAmSat Corp. Zero Coupon, 11/01/14(c)(f).............. 8,405 6,051,600 Philip Morris 7.75%, 1/15/27(c)........................ 1,900 2,174,092 Prudential PLC 6.125%, 12/19/31(c)...................... GBP 27 52,413 Resolution PLC 6.5864%, 4/25/16(c)...................... 50 85,999 Resona Bank Ltd. 4.125%, 9/27/12(d)....................... EUR 67 79,057 5.85%, 4/15/16(d)........................ U.S. $ 138 133,905 Resona Preferred Global Securities 7.191%, 7/30/15(d)....................... 160 166,945 Rexam PLC 7.125%, 3/27/09(c)....................... GBP 58 105,711 Rogers Cable, Inc. 5.50%, 3/15/14(c)........................ U.S. $ 360 341,100 Royal & Sun Alliance Insurance 8.50%, 12/08/14(c)(e).................... GBP 65 131,678 Royal Bank of Scotland Group PLC 5.625%, 6/07/32(c)(e).................... 85 157,600 7.387%, 12/31/10(c)...................... 117 221,653 Santander Central Hispano Issue Ltd. 6.80%, 11/29/10(c)....................... 83 154,729 7.25%, 12/07/11(c)....................... 70 133,985 SBC Jersey 8.75%, 12/18/25(c)....................... 118 304,697 SLM Student Loan Trust 5.15%, 9/17/15(d)........................ 100 177,554 South Wales Electricity 9.25%, 11/09/20(c)....................... 19 46,136 Southern Peru Copper Corp. 6.375%, 7/27/15(c)....................... U.S. $ 100 97,413 Sprint Capital Corp. 8.75%, 3/15/32(c)*....................... 5,663 7,080,205 Standard Chartered Bank 6.75%, 4/27/09(c)........................ GBP 100 182,000 Svenska Handelsbanken 6.125%, 3/04/09(c)....................... 169 301,667 PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund Principal Amount (000) U.S. $ Value -------------------------------------------------------------------------------- TCNZ Finance LTD. 6.125%, 12/12/08(c)........................ GBP 60 $ 107,028 Telekom Finanzmanagement 5.00%, 7/22/13(c).......................... EUR 1,174 1,455,016 Tengizchevroil Fin Co 6.124%, 11/15/14(d)........................ U.S.$ 2,172 2,161,140 Time Warner Entertainment Co. LP 8.375%, 3/15/23(c)......................... 145 163,941 TYCO International Group SA 6.00%, 11/15/13(c)......................... 140 140,636 6.50%, 11/21/31(c)......................... GBP 1,585 3,004,387 Union Carbide Corp. 7.75%, 10/01/96(c)......................... U.S.$ 1,785 1,839,011 Vodafone Group PLC 5.625%, 12/04/25(c)........................ GBP 84 147,767 6.250%, 7/10/08(c)......................... 47 83,920 Wachovia Cap Trust III 5.80%, 3/15/11(c).......................... U.S.$ 552 542,328 WellPoint Inc. 5.85%, 1/15/36(c).......................... 83 78,421 Western Power Distribution LLC 5.875%, 3/25/27(c)......................... GBP 30 56,224 Westpac Banking Corp. 5.875%, 4/29/18(c)......................... 60 109,247 WMC Finance USA 5.125%, 5/15/13(c)......................... U.S.$ 500 484,998 WPP Finance Corp. 5.875%, 6/15/14(c)......................... 180 177,741 Yorkshire Power Finance 7.25%, 8/04/28(c).......................... GBP 86 185,591 Zurich Capital Trust 8.376%, 6/01/37(d)......................... U.S.$ 253 270,649 Zurich Finance PLC 6.625%, 10/02/22(c)(e)..................... GBP 94 178,815 ------------ Total Corporate Debt - High Grade Obligations (cost $89,382,639)......................... 71,531,417 ------------ Total Corporate Debt Obligations (cost $238,973,173)........................ 218,110,231 ------------ BANK LOANS-5.1% ACCO Brands Corporation 6.35225-6.68%, 8/15/12..................... U.S.$ 925 931,364 Advantage Sales 6.90%, 3/29/13............................. 1,000 1,000,000 Allegheny Energy Supply Company, LLC 6.102-6.36%, 3/08/11....................... 696 699,190 Allied Waste North America, Inc. 6.39-6.97%, 1/15/12........................ 1,913 1,920,062 American Safety Razor Company 7.55%, 8/28/12............................. 1,392 1,409,484 Amscan 1TL 7.77%,12/21/12............................. 500 500,000 Arena O-2 TLB 3.50%, 1/31/12............................. 250 252,657 Atlantic Broadband Finance, LLC 7.62%, 6/30/11............................. 1,000 1,015,000 Basell TLB 7.31%, 9/30/15............................. 500 507,610 Basell TLC 7.6675%, 9/30/16........................... 500 507,610 Blockbuster TLB 4.00%, 8/20/11............................. 1,000 975,000 Builders FirstSource, Inc. 7.49%, 7/11/11............................. 178 178,222 Butler Animal Health Supply, LLC 7.44%, 6/01/11............................. 1,985 1,999,888 Cablevisions TLB 1.75%, 3/14/13............................. 500 503,280 Calgen 1TL Ommerc BRL SC 8.38%, 4/01/09............................. 500 521,695 Cellnet Techonolgy, Inc. 7.98%, 4/22/12............................. 992 1,001,810 PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund Principal Amount (000) U.S. $ Value -------------------------------------------------------------------------------- Cheniere LNG Holdings, LLC 7.72938%, 9/30/12.......................... U.S.$ 1,492 $1,505,559 CII Carbon, LLC 6.875%, 8/18/12............................ 992 1,002,425 Cognis Deutschland GMBH & Co. 9.3075%, 11/10/13.......................... 1,000 1,018,750 Coinstar, Inc. 6.55%, 7/01/11............................. 753 760,924 Consolidated Communications, Inc. 6.52-6.72938%, 10/14/11.................... 1,330 1,340,773 DaVita Inc. 6.53-7.11%, 4/30/12........................ 942 952,535 Delphi Corp TL JP PR 13.25%, 6/14/11............................ 1,500 1,552,500 Doubleclick, Inc. 8.75%, 6/14/12............................. 990 1,007,724 DynCorp International LLC 7.4375-7.8125%, 2/08/11.................... 993 1,004,489 Eastman-Kodak TLB 6.61-7.19%, 10/18/12....................... 997 1,008,413 F & W Publications 10.40%, 1/12/13............................ 500 481,250 Fender Musical 2TL 8.72%, 9/30/12............................. 500 502,500 Georgia Pacific TLB 6.88-6.97938%, 2/14/13..................... 499 502,137 Georgia Pacific TLC 7.69813-7.92%, 2/14/14..................... 500 510,795 Graham Packaging Company, L.P. 9.25%, 3/04/12............................. 1,000 1,021,250 Harlan TL 7.05-9.25%, 12/19/11.............. ........ 499 503,114 Hawaiian Telecom Communications, Inc. 7.23%, 10/31/12............................ 1,000 1,008,750 Hertz Corp LOC 4.93%, 12/21/12............................ 33 33,733 Hertz Corp TL 1.125%, 12/21/12........................... 227 229,976 Hexion Specialty Chemicals 7.50%, 5/25/12............................. 1,986 2,017,296 Hil Operating TLC 10.01-10.18%, 6/30/10...................... 500 492,500 HIT Entertainment, Inc. 7.17%, 8/05/12............................. 995 1,001,428 Huntsman International LLC 6.53%, 12/31/10............................ 1,155 1,161,243 IPC Acquisition Corp. 7.38-7.59%, 7/31/11........................ 479 485,577 Jarden Corporation 6.99-8.75%, 1/01/12........................ 926 931,801 John Maneely CTL 3.00%, 3/24/13............................. 550 558,250 Keystone Automotive TL 7.46475%, 12/30/12......................... 997 999,994 Kranson Industries, Inc. 7.73%, 7/31/11............................. 932 941,356 La Paloma Generating Company, LLC 6.57875-6.72938%, 8/16/12.................. 1,930 1,947,419 Lear Corp TL 1.50%, 2/11/07............................. 1,000 990,000 London Arena W TLB 8.38%, 1/31/12............................. 250 252,657 Longyear CAD 1LC 7.98%, 7/28/12............................. 63 63,656 Longyear Holdings, Inc. 7.98%, 7/18/12............................. 435 441,229 LPL Holdings TLB GS PR 3.25%, 6/28/13............................. 1,500 1,513,125 Maax, Inc. 7.63975-7.97938%, 6/01/11.................. 1,736 1,709,764 MetroPCS Wireless, Inc. 9.50%, 5/03/11............................. 2,200 2,260,500 MGM Holdings II 7.22938%, 3/15/12.......................... 2,500 2,525,000 Motorsport Aftermarket Group, Inc. 8.23%, 12/31/11............................ 1,471 1,476,989 Mueller Group LLC 6.9175-7.36%, 10/30/12..................... 2,686 2,720,753 PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund Principal Amount (000) U.S. $ Value -------------------------------------------------------------------------------- NewPage Corp. 7.96%, 4/15/11............................. U.S.$ 858 $ 871,100 NRG Funded LOC 6.97938%, 1/03/13.......................... 139 140,929 NRG TLB 6.82%, 1/06/13............................. 611 618,131 Ntelos, Inc. 9.83%, 2/24/12............................. 1,000 1,014,380 Owens Corning BKD 6.56%, 6/26/07............................. 946 1,438,658 Owens-Illinois Group, Inc. 6.15%, 4/01/08............................. 788 790,896 PanAmSat Corporation 6.81-6.90%, 7/01/11........................ 980 992,336 Penn National Gaming, Inc. 6.26-6.73%, 5/03/12........................ 2,487 2,517,250 Plumpoint 2NL 8.043%, 9/15/14............................ 2,000 1,940,000 Prestige Brands, Inc. 6.89-9.00%, 4/05/11........................ 2,659 2,689,717 Rainbow National Services LLC 7.18%, 3/31/12............................. 2,970 3,003,650 Rayovac Corporation 6.17-6.78%, 2/07/12........................ 1,849 1,863,759 Regency Gas Services, LLC 7.23%, 5/15/10............................. 1,985 2,012,294 Reliant Energy, Inc. 7.175%, 12/22/10........................... 181 181,663 Riverside Energy Center 8.9175%, 6/22/11........................... 1,603 1,618,980 Rocky Mountain Energy Center, LLC 8.9175%, 6/22/11........................... 1,236 1,248,861 Sealy Mattress Company 6.50-6.57%, 4/15/13........................ 1,593 1,611,239 SemCrude, L.P. 7.33-7.41%, 3/16/11........................ 818 817,637 Smurfit Stone Container 6.9375-7.125%, 10/01/10.................... 349 354,123 6.9375-7.125%, 10/01/11.................... 1,005 1,018,459 SSA Global TL 6.97%, 9/28/11............................. 1,492 1,498,097 Stewart Enterprises 6.4225-6.80625%, 11/01/11.................. 404 407,522 Stratus Technologies 2LT 9.00%, 3/28/12............................. 1,000 970,000 SunGard Data Systems Inc. 7.215%, 1/15/13............................ 1,985 2,010,150 Swett & Crawford 2LL 11.12%, 11/10/12........................... 500 503,750 Telcordia TLB 7.22-7.31%, 9/15/12........................ 499 493,133 UAL 8.625%, 2/01/12............................ 250 254,062 Universal City Development Partners, Ltd 6.60-6.98%, 6/09/11........................ 987 999,429 UPC Broadband Holding B.V. 7.28%, 3/03/12............................. 1,000 1,000,970 Vertafore Inc. 7.31-7.32875%, 1/31/12..................... 263 266,296 VWR International, Inc. 7.12%, 4/05/11............................. 2,022 2,044,829 William Carter Company 6.4175-6.54063%, 6/29/12................... 1,680 1,698,703 WMG Acquisitions Corporation 6.37125-6.81%, 3/22/11..................... 1,428 1,443,414 Xerium Technology TLB 7.22938%, 5/18/12.......................... 748 748,709 ----------- Total Bank Loans (cost $94,755,650)......................... 95,444,132 ----------- PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund Principal Amount (000) U.S. $ Value -------------------------------------------------------------------------------- NON-CONVERTIBLE - PREFERRED STOCKS-0.1% Metlife Inc 6.50%(c)............................. 40 $ 1,023,200 Zurich Funding Trust 1.71%(d)(e).......................... 500 503,750 --------------- Total Non-Convertible Preferred Stocks (cost $1,511,500).................... 1,526,950 --------------- CONVERTIBLE - PREFERRED STOCKS-0.0% UBS Capital VIII 6.35%(c) (cost $975,000)...................... 39,000 944,956 --------------- WARRANTS-0.0% Central Bank of Nigeria Warrants, expiring 11/15/20(c)....... 4,500 99,000 Republic of Venezuela Warrants, expiring 4/15/20(g)........ 1,785 0 --------------- Total Warrants (cost $0)............................ 99,000 --------------- SHORT-TERM INVESTMENTS-13.5% Repurchase Agreement-9.3% Merrill Lynch & Co. 4.74%, 3/31/06, due 4/03/06 in the amount of $174,168,770 (collateralized by $43,105,000 FHLB, 5.75%, 7/21/25; value-$40,359,000 $44,370,000 FHLB, 5.75%, 6/30/25; value-$41,705,000 $50,000,000 FNMA, 6.03%, 12/14/29; value-$47,488,000 $38,345,000 FHLMC, 6.75%, 9/15/29; value-$44,548,000) (cost $174,100,000).................. U.S.$ 174,100 174,100,000 --------------- Time Deposit-0.6% State Street Time Deposit 4.10%, 4/03/06 (cost $11,410,000)................... 11,410 11,410,000 --------------- U.S. Treasury Obligations-3.6% U.S. Treasury Bills 0.01%, 6/22/06(h).................... 6,000 5,940,492 3.062%, 4/20/06(a)................... 57,000 56,877,906 3.244%, 8/10/06(a)(c)................ 4,000 3,935,040 --------------- (cost $66,743,423)................... 66,753,438 --------------- Total Short-Term Investments (cost $252,253,423).................. 252,263,438 --------------- Total Investments Before Security Lending Collateral-163.2% (cost $2,948,852,395)................ 3,050,721,468 --------------- INVESTMENT OF CASH COLLATERAL FOR SECURITIES LOANED-1.8% Short-Term Investment UBS Private Money Market Fund, LLC 4.67% 34,172,716 34,172,716 --------------- (cost $34,172,716)................... Total Investments-165.0% (cost $2,982,895,285)................ 3,084,894,184 Other assets less liabilities-(65.0%)... (1,215,726,647) --------------- Net Assets-100.0%....................... $ 1,869,167,537 =============== PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund FINANCIAL FUTURES CONTRACTS SOLD Value at Number of Expiration March 31, Unrealized Type Contracts Month Original Value 2006 Appreciation ---------------------------------------------------------------------------------------- 5 Year Swap June Futures 2,555 2006 $263,880,184 $263,244,844 $ 635,340 U.S. Treasury 5 Year June Futures 1,824 2006 191,234,579 190,494,000 740,579 U.S. Treasury 10 Year June Futures 4,385 2006 471,638,302 466,522,891 5,115,411 U.S. Treasury 30 Year June Futures 189 2006 21,337,489 20,630,531 706,958 ---------- $7,198,288 ---------- FORWARD EXCHANGE CURRENCY CONTRACTS U.S. $ Contract Value on U.S. $ Unrealized Amount Origination Current Appreciation/ (000) Date Value (Depreciation) ----------------------------------------------------------------------------- Buy Contracts Australian Dollar, settling 5/12/06 ... 25,676 $18,946,943 $18,367,777 $ (579,166) British Pound, settling 4/06/06 ... 105 183,506 181,758 (1,748) settling 4/18/06 ... 48 81,539 81,279 (260) settling 4/21/06 ... 157 272,807 273,051 244 settling 4/27/06 ... 765 1,340,930 1,330,181 (10,749) Canadian Dollar, settling 4/10/06 ... 27,776 24,111,978 23,790,422 (321,556) Euro, settling 4/18/06 ... 22,529 26,944,430 27,331,956 387,526 Japanese Yen, settling 3/31/06 ... 4,318,617 36,660,282 36,691,733 31,451 settling 5/31/06 ... 3,222,426 27,543,895 27,610,758 66,863 Mexican Peso, settling 4/21/06 ... 2,801 258,676 256,977 (1,699) Polish Zloty, settling 4/06/06 ... 7,791 2,402,166 2,407,867 5,701 South African Rand, settling 4/28/06 ... 3,261 524,998 528,004 3,006 South Korean Won, settling 7/21/06 ... 19,544,302 20,047,494 20,169,558 122,064 Sale Contracts British Pound, settling 4/06/06 ... 40 70,120 69,481 639 settling 4/21/06 ... 49 86,781 85,882 899 settling 4/27/06 ... 9,780 17,026,094 16,996,531 29,563 Euro, settling 4/18/06 ... 28,561 34,163,914 34,648,758 (484,844) settling 5/18/06 ... 574 693,891 697,785 (3,894) Japanese Yen, settling 3/31/06 ... 4,318,617 36,710,694 36,691,733 18,961 Mexican Peso, settling 4/21/06 ... 378,533 35,757,650 34,729,707 1,027,943 settling 5/23/06 ... 300,080 27,781,105 27,463,927 317,178 Peruvian Nuevo Sol, settling 5/03/06 ... 1,483 440,000 439,335 665 Polish Zloty, settling 4/06/06 ... 9,439 2,995,000 2,917,405 77,595 South Korean Won, settling 9/18/06 ... 18,408,728 18,948,377 19,026,617 (78,240) PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund CREDIT DEFAULT SWAP CONTRACTS Notional Unrealized Swap Counterparty & Amount Interest Termination Appreciation/ Referenced Obligation (000) Rate Date (Depreciation) ------------------------------------------------------------------------------------ Buy Contracts: Citigroup Global Markets, Inc. Republic of Colombia 8.375%, 2/15/27 ................ 1,900 3.02% 1/20/10 $ (134,657) Citigroup Global Markets, Inc. Republic of Hungary 4.50%, 2/06/13 ................. 10,250 0.50 11/26/13 3,706 Citigroup Global Markets, Inc. Republic of Hungary 4.50%, 1/29/14 ................. 10,000 0.30 10/20/15 203,507 Citigroup Global Markets, Inc. Republic of Philippines 10.625%, 3/16/25 ............... 3,360 5.60 3/20/14 (598,360) J P Morgan Chase Republic of Hungary 4.50%, 2/06/13 ................. 1,280 0.30 10/20/15 27,200 J P Morgan Chase Ford Motor Credit Company 7.00%, 10/01/13 ................ 25,000 5.90 3/20/11 (1,228,469) Sale Contracts: Citibank N.A. Republic of Brazil 12.25%, 3/06/30 ................ 1,910 3.09 8/20/10 133,026 Citigroup Global Markets, Inc. Republic of Brazil 12.25%, 3/06/30 ................ 1,932 1.98 4/20/07 50,744 Citigroup Global Markets, Inc. Republic of Brazil 12.25%, 3/06/30 ................ 6,275 4.40 5/20/06 139,791 Citigroup Global Markets, Inc. Republic of Colombia 8.375%, 2/15/27 ................ 3,750 1.13 1/20/07 34,579 Citigroup Global Markets, Inc. OAO Gazprom 5.875-10.50%, 4/25/07-4/28/34 .. 10,000 1.04 10/20/10 68,572 Citigroup Global Markets, Inc. Republic of Philippines 10.625%, 3/16/25 ............... 3,360 4.95 3/20/09 382,948 Credit Suisse First Boston Republic of Brazil 12.25%, 3/06/30 ................ 600 6.90 6/20/07 58,346 Credit Suisse First Boston Republic of Venezuela 9.25%, 10/20/15 ................ 950 3.17 10/20/15 86,141 Deutsche Bank AG Republic of Brazil 12.25%, 3/06/30 ................ 1,932 1.90 4/20/07 48,396 J P Morgan Chase OAO Gazprom 5.875-10.50%, 4/25/07-4/28/34 .. 1,380 1.04 10/20/10 9,465 Morgan Stanley Republic of Brazil 12.25%, 3/06/30 ................ 4,800 3.80 8/20/06 87,014 PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund REVERSE REPURCHASE AGREEMENTS Interest Broker Rate Maturity Amount ----------------------------------------------------- Barclays Securities 0.750% 12/29/06 $ 1,581,822 Barclays Securities 4.000 12/29/06 2,810,555 Merrill Lynch 4.450 4/04/06 36,302,119 Merrill Lynch 4.530 4/04/06 50,089,091 Merrill Lynch 4.530 4/04/06 75,714,106 Merrill Lynch 4.580 4/04/06 31,466,231 Morgan Guarantee 4.560 4/04/06 231,994,797 ------------ $429,958,721 ============ * Represents entire or partial securities out on loan. (a) Positions, or portion thereof, with an aggregate market value of $1,027,039,731 have been segregated to collateralize the loan payable outstanding. (b) Positions, or portion thereof, with an aggregate market value of $431,081,854 have been segregated to collateralize reverse repurchase agreements. (c) Positions, or portion thereof, with an aggregate market value of $499,669,138 have been segregated to collateralize open forward exchange currency contracts. (d) Security is exempt from registration under Rule 144A of the Securities Act of 1933. These securities are considered liquid and may be resold in transactions exempt from registration, normally to qualified institutional buyers. At March 31, 2006, the aggregate market value of these securities amounted to $405,970,280 or 21.72% of net assets. (e) Coupon increases periodically based upon a predetermined schedule. Stated interest rate in effect at March 31, 2006. (f) Indicates a security that has a zero coupon that remains in effect until a predetermined date at which time the stated coupon rate becomes effective until final maturity. (g) Non-income producing security. (h) Positions, or portion thereof, with an aggregate market value of $5,940,492 has been segregated to collateralize margin requirements for the open futures contracts. Currency Abbreviations: ARS - Argentine Peso BRL - Brazilian Real COP - Colombian Peso CRC - Costa Rican Colon DOP - Dominican Peso EUR - Euro GBP - British Pound IDR - Indonesian Rupiah KRW - South Korean Won MXN - Mexican Peso PEN - Peruvian Nuevo Sol PLN - Polish Zloty TRY - New Turkish Lira U.S. $ - United States Dollar Glossary of Terms: DCB - Debt Conversion Bond FHLB - Federal Home Loan Bank FHLMC - Federal Home Loan Mortgage Corporation FNMA - Federal National Mortgage Association FRN - Floating Rate Note PIK - Pay-In-Kind Payments TBA - (To Be Assigned) - Securities are purchased on a forward commitment with an approximate principal amount (generally +/- 1.0%) and no definite maturity date. The actual principal amount and maturity date will be determined upon settlement when the specific mortgage pools are assigned. PORTFOLIO OF INVESTMENTS March 31, 2006 ACM Income Fund COUNTRY BREAKDOWN Percent of Total Country Investments ------------------------------------- United States 77.80% Brazil 5.91 Mexico 3.52 Russia 3.08 Turkey 1.85 United Kingdom 1.07 Argentina 0.97 Philippines 0.73 Colombia 0.60 South Korea 0.60 Venezuela 0.59 Germany 0.49 Peru 0.45 Indonesia 0.41 Luxembourg 0.35 Netherlands 0.24 Uruguay 0.19 Bermuda 0.18 Cayman Islands 0.15 Canada 0.14 Panama 0.11 Kazakhstan 0.08 Nigeria 0.07 Austria 0.05 Ecuador 0.05 Lebanon 0.05 Australia 0.04 Costa Rica 0.03 Ukraine 0.03 Dominican Republic 0.02 El Salvador 0.02 France 0.02 Ireland 0.02 Poland 0.02 Spain 0.02 Bulgaria 0.01 Greece 0.01 Japan 0.01 South Africa 0.01 Sweden 0.01 All data are as of March 31, 2006. The Fund's country breakdowns are expressed as a percentage of total investments and may vary over time. ITEM 2. CONTROLS AND PROCEDURES. (a) The registrant's principal executive officer and principal financial officer have concluded that the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended) are effective at the reasonable assurance level based on their evaluation of these controls and procedures as of a date within 90 days of the filing date of this document. (b) There were no changes in the registrant's internal controls over financial reporting that occurred during the second fiscal quarter of the period that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. ITEM 3. EXHIBITS. The following exhibits are attached to this Form N-Q: EXHIBIT NO. DESCRIPTION OF EXHIBIT ----------- ------------------------------------------------------------------ 3 (a) (1) Certification of Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 3 (a) (2) Certification of Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 3 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 ACM Income Fund, Inc. By: /s/ Marc O. Mayer --------------------------------- Marc O. Mayer President Date: May 25, 2006 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: /s/ Marc O. Mayer --------------------------------- Marc O. Mayer President Date: May 25, 2006 By: /s/ Mark D. Gersten --------------------------------- Mark D. Gersten Treasurer and Chief Financial Officer Date: May 25, 2006 4