SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2008 Check here if Amendment |_|; Amendment Number: _________ This Amendment (Check only one.): |_| is a restatement. |_| adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Sun Life Financial Inc. Address: 150 King street West Toronto, Ontario, Canada, M5H 1J9 Form 13F File Number: 28-05799 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: J.M.A. Anderson Title: Executive Vice-President and Chief Investment Officer Phone: 416-979-6217 Signature, Place, and Date of Signing: Toronto, Ontario, May 15, 2008 -------------------------------------------------------------------------------- [Signature] [City, State] [Date] Report Type (Check only one.): |_| 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) |_| 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) |X| 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) List of Other Managers Reporting for this Manager: [If there are no entries in this list, omit this section.] Form 13F File Number Name 28-06597-McLean Budden 28-04968-MFS Report Summary: Number of Other Included Managers: 2 Form 13F Information Table Entry Total: 233 Form 13F Information Table Value Total: US$1,732,448 (Thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. [If there are no entries in this list, state "NONE" and omit the column headings and list entries.] No. Form 13F File Number Name --------- -------------------------------------------------------------------- 028-12046 1 Sun Capital Advisers LLC. 028-12047 2 Sun Life Assurance Company of Canada [Repeat as necessary.] Form 13F INFORMATION TABLE - MARCH 31, 2008 COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 VOTING AUTHORITY VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE ----------------------------------------------------------------------------------------------------------------------------- 3M Corporation COM 88579Y101 3,506 44,293 SH SHARED 1 44,293 3M Corporation COM 88579Y101 1,359 17,171 SH SHARED 2 17,171 Abbott Laboratories COM 002824100 3,633 65,874 SH SHARED 1 65,874 Abbott Laboratories COM 002824100 1,389 25,183 SH SHARED 2 25,183 Acme Packet Inc COM 004764106 3,646 456,277 SH SHARED 1 456,277 Acme Packet Inc COM 004764106 1,435 179,577 SH SHARED 2 179,577 Acme Packet Inc COM 004764106 10,584 1,394,516 SH SHARED 1 1,394,516 AERCAP HOLDINGS NV SHS N00985106 2,955 168,096 SH SHARED 1 168,096 AERCAP HOLDINGS NV SHS N00985106 1,146 65,176 SH SHARED 2 65,176 Alexandria Real Estate Equit COM 015271109 4,402 47,475 SH SHARED 1 47,475 Alexandria Real Estate Equit COM 015271109 625 6,745 SH SHARED 2 6,745 Allstate Corp COM 020002101 3,132 65,172 SH SHARED 1 65,172 Allstate Corp COM 020002101 1,209 25,147 SH SHARED 2 25,147 Altria Group Inc COM 02209S103 1,380 62,166 SH SHARED 1 62,166 Altria Group Inc COM 02209S103 534 24,042 SH SHARED 2 24,042 American Express Co COM 025816109 4,204 96,148 SH SHARED 1 96,148 American Express Co COM 025816109 1,644 37,599 SH SHARED 2 37,599 Amgen Inc COM 031162100 2,887 69,102 SH SHARED 1 69,102 Amgen Inc COM 031162100 1,117 26,736 SH SHARED 2 26,736 Analog Devices Inc COM 032654105 3,309 112,096 SH SHARED 1 112,096 Analog Devices Inc COM 032654105 1,280 43,373 SH SHARED 2 43,373 Anheuser-Busch Co Inc COM 035229103 4,043 85,197 SH SHARED 1 85,197 Anheuser-Busch Co Inc COM 035229103 1,563 32,945 SH SHARED 2 32,945 AT&T Inc COM 00206R102 7,783 203,223 SH SHARED 1 203,223 AT&T Inc COM 00206R102 3,015 78,720 SH SHARED 2 78,720 AvalonBay Communities Inc COM 053484101 2,874 29,771 SH SHARED 1 29,771 AvalonBay Communities Inc COM 053484101 412 4,265 SH SHARED 2 4,265 Bank of America Corp COM 060505104 9,528 251,338 SH SHARED 1 251,338 Bank of America Corp COM 060505104 3,673 96,881 SH SHARED 2 96,881 Best Buy Company Inc COM 086516101 3,688 88,961 SH SHARED 1 88,961 Best Buy Company Inc COM 086516101 1,427 34,423 SH SHARED 2 34,423 Boeing Company COM 097023105 3,638 48,911 SH SHARED 1 48,911 Boeing Company COM 097023105 1,410 18,954 SH SHARED 2 18,954 Bookham Inc COM 09856E105 2,203 1,607,740 SH SHARED 1 1,607,740 Bookham Inc COM 09856E105 825 602,240 SH SHARED 2 602,240 Bookham Inc COM 09856E105 5,852 4,400,000 SH SHARED 1 4,400,000 Boston Scientific COM 101137107 11,574 900,000 SH SHARED 1 900,000 Boston Scientific Corp COM 101137107 7,572 588,352 SH SHARED 1 588,352 Boston Scientific Corp COM 101137107 2,867 242,038 SH SHARED 2 242,038 BRE Properties Inc CL A 05564E106 3,171 69,587 SH SHARED 1 69,587 BRE Properties Inc CL A 05564E106 445 9,765 SH SHARED 2 9,765 Bristol-Myers Squibb COM 110122108 2,951 138,544 SH SHARED 1 138,544 Bristol-Myers Squibb COM 110122108 1,206 59,752 SH SHARED 2 59,752 BROADCOM CORP-CL A CL A 111320107 2,260 117,269 SH SHARED 1 117,269 BROADCOM CORP-CL A CL A 111320107 887 45,816 SH SHARED 2 45,816 Brocade Communications Sys COM 111621306 7,483 1,025,093 SH SHARED 1 1,025,093 Brocade Communications Sys COM 111621306 2,833 385,562 SH SHARED 2 385,562 Chevron Corporation COM 166764100 10,882 127,487 SH SHARED 1 127,487 Chevron Corporation COM 166764100 4,179 61,550 SH SHARED 2 61,550 Ciena Corp COM 171779309 6,076 197,066 SH SHARED 1 197,066 Ciena Corp COM 171779309 2,274 73,767 SH SHARED 2 73,767 Citizens Communications COM 17453B101 3,593 342,505 SH SHARED 1 342,505 Citizens Communications COM 17453B101 1,345 128,210 SH SHARED 2 128,210 Coca-Cola Company COM 191216100 4,749 78,022 SH SHARED 1 78,022 Coca-Cola Company COM 191216100 1,921 30,865 SH SHARED 2 30,865 Comcast Corp CL A 20030N101 3,560 184,098 SH SHARED 1 184,098 Comcast Corp CL A 20030N101 1,415 71,594 SH SHARED 2 71,594 Concurrent Computer Corp COM 206710204 1,711 2,447,158 SH SHARED 1 2,447,158 Concurrent Computer Corp COM 206710204 700 937,402 SH SHARED 2 937,402 ConocoPhillips COM 20825C104 4,541 59,580 SH SHARED 1 59,580 ConocoPhillips COM 20825C104 1,765 23,374 SH SHARED 2 23,374 Cosi Inc COM 22122P101 2,298 800,817 SH SHARED 1 800,817 Cosi Inc COM 22122P101 907 301,627 SH SHARED 2 301,627 CVS Caremark Corporation COM 126650100 5,253 129,674 SH SHARED 1 129,674 CVS Caremark Corporation COM 126650100 1,985 81,328 SH SHARED 2 81,328 Developers Diversified Realty COM 251591103 1,984 47,371 SH SHARED 1 47,371 Developers Diversified Realty COM 251591103 282 6,724 SH SHARED 2 6,724 Dominion Resources Inc COM 25746U109 3,610 88,398 SH SHARED 1 88,398 Dominion Resources Inc COM 25746U109 1,409 33,801 SH SHARED 2 33,801 DOMTAR CORP COM 257559104 3,442 503,941 SH SHARED 1 503,941 DOMTAR CORP COM 257559104 1,321 199,639 SH SHARED 2 199,639 Douglas Emmett Inc-w/i COM 25960P109 747 33,822 SH SHARED 1 33,822 Douglas Emmett Inc-w/i COM 25960P109 106 4,803 SH SHARED 2 4,803 Dow Chemical Company COM 260543103 3,378 91,664 SH SHARED 1 91,664 Dow Chemical Company COM 260543103 1,335 36,047 SH SHARED 2 36,047 Duke Energy Corp COM 26441C105 3,740 209,497 SH SHARED 1 209,497 Duke Energy Corp COM 26441C105 1,445 79,444 SH SHARED 2 79,444 Dupont (EI) Nemours and Co COM 263534109 4,105 87,799 SH SHARED 1 87,799 Dupont (EI) Nemours and Co COM 263534109 1,580 39,573 SH SHARED 2 39,573 Eastgroup Properties COM 277276101 3,394 73,047 SH SHARED 1 73,047 Eastgroup Properties COM 277276101 480 10,341 SH SHARED 2 10,341 Eastman Kodak Co COM 277461109 2,244 127,010 SH SHARED 1 127,010 Eastman Kodak Co COM 277461109 884 48,673 SH SHARED 2 48,673 Eli Lilly & Co COM 532457108 3,424 66,376 SH SHARED 1 66,376 Eli Lilly & Co COM 532457108 1,330 27,615 SH SHARED 2 27,615 EMC Corporation COM 268648102 10,017 700,000 SH SHARED 1 700,000 Equity Residential Properties SH BEN INT 29476L107 2,856 68,840 SH SHARED 1 68,840 Equity Residential Properties SH BEN INT 29476L107 410 9,889 SH SHARED 2 9,889 Exelon Corporation COM 30161N101 4,922 60,566 SH SHARED 1 60,566 Exelon Corporation COM 30161N101 1,891 23,769 SH SHARED 2 23,769 Exxon Mobil Corp COM 30231G102 17,302 204,564 SH SHARED 1 204,564 Exxon Mobil Corp COM 30231G102 6,475 77,902 SH SHARED 2 77,902 Fedex Corp COM 31428X106 2,876 31,037 SH SHARED 1 31,037 Fedex Corp COM 31428X106 1,120 12,485 SH SHARED 2 12,485 FINISAR Corporation COM 31787A101 1,650 1,299,487 SH SHARED 1 1,299,487 General Electric Company COM 369604103 11,215 303,037 SH SHARED 1 303,037 General Electric Company COM 369604103 4,260 114,120 SH SHARED 2 114,120 General Growth Properties COM 370021107 4,299 112,608 SH SHARED 1 112,608 General Growth Properties COM 370021107 611 16,001 SH SHARED 2 16,001 Genworth Financial Inc. COM 37247D106 51,760 2,286,200 SH SHARED 1 2,286,200 Gmh Communities Trust COM 36188G102 1,842 212,190 SH SHARED 1 212,190 Gmh Communities Trust COM 36188G102 263 30,259 SH SHARED 2 30,259 Goldman Sachs Group Inc COM 38141G104 6,197 64,755 SH SHARED 1 64,755 Goldman Sachs Group Inc COM 38141G104 2,111 14,102 SH SHARED 2 14,102 HCP Inc COM 40414L109 3,480 106,331 SH SHARED 1 106,331 HCP Inc COM 40414L109 480 14,208 SH SHARED 2 14,208 Highwoods Properties Inc COM 431284108 2,352 75,706 SH SHARED 1 75,706 Highwoods Properties Inc COM 431284108 518 16,680 SH SHARED 2 16,680 Honeywell International Inc COM 438516106 4,718 83,629 SH SHARED 1 83,629 Honeywell International Inc COM 438516106 1,804 31,708 SH SHARED 2 31,708 Host Hotels and Resorts Inc COM 44107P104 3,086 193,792 SH SHARED 1 193,792 Host Hotels and Resorts Inc COM 44107P104 436 27,366 SH SHARED 2 27,366 IBM Corp COM 369604103 -- -- SH SHARED 1 -- IBM Corp COM 369604103 151 4,085 SH SHARED 2 4,085 Ishares MSCI UTD KINGD 464286699 2,576 119,500 SH SHARED 1 119,500 Ishares MSCI FRANCE 464286707 3,606 103,200 SH SHARED 1 103,200 Ishares MSCI GERMAN 464286806 797 25,300 SH SHARED 1 25,300 Ishares MSCI MEXICO 464286822 1,560 26,400 SH SHARED 1 26,400 Ishares MSCI JAPAN 464286848 7,376 597,706 SH SHARED 1 597,706 IShares MSCI EAFE IDX 464287465 12,761 591,884 SH SHARED 1 591,884 IShares MSCI EAFE IDX 464287465 30,833 428,838 SH SHARED 2 428,838 Ishares Tr COM 464287465 225,365 3,134,425 SH SHARED 1 3,134,425 Johnson & Johnson COM 478160104 5,904 91,014 SH SHARED 1 91,014 Johnson & Johnson COM 478160104 2,273 34,412 SH SHARED 2 34,412 JP Morgan Chase COM 46625H100 7,593 176,787 SH SHARED 1 176,787 JP Morgan Chase COM 46625H100 2,898 67,129 SH SHARED 2 67,129 Kimberly-Clark Corp COM 494368103 3,914 60,642 SH SHARED 1 60,642 Kimberly-Clark Corp COM 494368103 1,540 23,858 SH SHARED 2 23,858 Kimco Realty Corp COM 49446R109 4,465 113,974 SH SHARED 1 113,974 Kimco Realty Corp COM 49446R109 628 16,023 SH SHARED 2 16,023 Kraft Foods Inc CL A 50075N104 1,334 43,020 SH SHARED 1 43,020 Kraft Foods Inc CL A 50075N104 600 18,434 SH SHARED 2 18,434 Lexington Realty Trust COM 529043101 3,536 245,410 SH SHARED 1 245,410 Lexington Realty Trust COM 529043101 503 34,904 SH SHARED 2 34,904 Lincoln National Corp COM 534187109 2,991 57,528 SH SHARED 1 57,528 Lincoln National Corp COM 534187109 1,173 22,362 SH SHARED 2 22,362 Lowe's Companies COM 548661107 2,958 128,963 SH SHARED 1 128,963 Lowe's Companies COM 548661107 1,123 48,743 SH SHARED 2 48,743 Macerich Company COM 554382101 4,592 65,338 SH SHARED 1 65,338 Macerich Company COM 554382101 652 9,278 SH SHARED 2 9,278 Macy's Inc COM 55616P104 5,057 219,306 SH SHARED 1 219,306 Macy's Inc COM 55616P104 1,931 82,781 SH SHARED 2 82,781 Marvell Technology Group ORD G5876H105 7,113 653,794 SH SHARED 1 653,794 Marvell Technology Group ORD G5876H105 2,704 246,591 SH SHARED 2 246,591 Marvell Technology Group Ltd COM G5876H105 9,774 900,000 SH SHARED 1 900,000 Massey Energy Co COM 576206106 8,919 244,344 SH SHARED 1 244,344 Massey Energy Co COM 576206106 3,386 93,839 SH SHARED 2 93,839 Mattel Inc COM 577081102 3,894 195,682 SH SHARED 1 195,682 Mattel Inc COM 577081102 1,555 82,125 SH SHARED 2 82,125 Medical Properties Trust Inc COM 58463J304 5,509 486,662 SH SHARED 1 486,662 Medical Properties Trust Inc COM 58463J304 779 68,851 SH SHARED 2 68,851 Merck & Co Inc COM 589331107 3,838 101,139 SH SHARED 1 101,139 Merck & Co Inc COM 589331107 1,554 41,063 SH SHARED 2 41,063 Merck & Co Inc COM 589331107 5,123 135,000 SH SHARED 1 135,000 Merge Healthcare Inc COM 577081102 -- -- SH SHARED 1 -- Merge Healthcare Inc COM 577081102 52 2,629 SH SHARED 2 2,629 Merrill Lynch & Co Inc COM 590188108 2,316 56,843 SH SHARED 1 56,843 Merrill Lynch & Co Inc COM 590188108 904 22,284 SH SHARED 2 22,284 Microsoft Corp COM 590188108 -- -- SH SHARED 1 -- Microsoft Corp COM 590188108 31 754 SH SHARED 2 754 Mrv Communications Inc COM 553477100 3,968 2,896,634 SH SHARED 1 2,896,634 Mrv Communications Inc COM 553477100 1,614 1,178,210 SH SHARED 2 1,178,210 MRV Communications Inc COM 553477100 7,314 5,417,703 SH SHARED 1 5,417,703 Nationwide Health Pptys Inc COM 638620104 2,972 88,078 SH SHARED 1 88,078 Nationwide Health Pptys Inc COM 638620104 422 12,515 SH SHARED 2 12,515 OPNEXT COM 68375V105 12,535 2,300,000 SH SHARED 1 2,300,000 OPNEXT INC COM 68375V105 2,606 478,250 SH SHARED 1 478,250 OPNEXT INC COM 68375V105 2,326 426,754 SH SHARED 2 426,754 Penn Real Estate Investment Tr SH BEN INT 709102107 2,618 107,332 SH SHARED 1 107,332 Penn Real Estate Investment Tr SH BEN INT 709102107 369 15,110 SH SHARED 2 15,110 Pepsico Inc COM 713448108 4,336 60,054 SH SHARED 1 60,054 Pepsico Inc COM 713448108 1,681 23,285 SH SHARED 2 23,285 Pfizer Inc COM 717081103 4,317 206,277 SH SHARED 1 206,277 Pfizer Inc COM 717081103 1,669 79,726 SH SHARED 2 79,726 Plum Creek Timber Co Common COM 729251108 3,973 97,614 SH SHARED 1 97,614 Plum Creek Timber Co Common COM 729251108 567 13,938 SH SHARED 2 13,938 Powershares QQQ Nasdaq 100 COM 73935A104 18,712 427,500 SH SHARED 1 427,500 Principal Financial Group COM 74251V102 3,711 66,592 SH SHARED 1 66,592 Principal Financial Group COM 74251V102 1,403 25,171 SH SHARED 2 25,171 Procter & Gamble Co COM 742718109 6,360 90,770 SH SHARED 1 90,770 Procter & Gamble Co COM 742718109 2,426 34,812 SH SHARED 2 34,812 Prologis SH BEN INT 743410102 5,209 88,501 SH SHARED 1 88,501 Prologis SH BEN INT 743410102 748 12,709 SH SHARED 2 12,709 Public Storage COM 74460D109 3,436 38,768 SH SHARED 1 38,768 Public Storage COM 74460D109 491 5,540 SH SHARED 2 5,540 Rackable Systems Inc COM 750077109 7,945 871,123 SH SHARED 1 871,123 Rackable Systems Inc COM 750077109 3,061 327,445 SH SHARED 2 327,445 Rackable Systems Inc COM 750077109 8,568 940,500 SH SHARED 1 940,500 Regency Centers Corp COM 758849103 2,997 46,274 SH SHARED 1 46,274 Regency Centers Corp COM 758849103 432 6,664 SH SHARED 2 6,664 Schering Plough Corp COM 806605101 5,044 350,000 SH SHARED 1 350,000 Schering-Plough Corp COM 806605101 2,057 142,774 SH SHARED 1 142,774 Schering-Plough Corp COM 806605101 878 65,215 SH SHARED 2 65,215 Simon Property Group Inc COM 828806109 7,438 80,054 SH SHARED 1 80,054 Simon Property Group Inc COM 828806109 1,059 11,403 SH SHARED 2 11,403 SL Green Realty Corp COM 78440X101 3,682 45,201 SH SHARED 1 45,201 SL Green Realty Corp COM 78440X101 525 6,446 SH SHARED 2 6,446 SPDR Trust COM 78462F103 700,736 5,313,036 SH SHARED 1 5,313,036 Sprint Nextel Corp COM 852061100 3,224 481,935 SH SHARED 1 481,935 Sprint Nextel Corp COM 852061100 555 80,738 SH SHARED 2 80,738 Telabs Inc COM 879664100 5,414 993,462 SH SHARED 1 993,462 Telabs Inc COM 879664100 2,047 374,968 SH SHARED 2 374,968 Tenet Healthcare Corp COM 88033G100 10,057 1,776,856 SH SHARED 1 1,776,856 Tenet Healthcare Corp COM 88033G100 2,913 515,096 SH SHARED 2 515,096 TERRESTAR CORP COM 881451108 2,965 607,591 SH SHARED 1 607,591 TERRESTAR CORP COM 881451108 1,118 229,182 SH SHARED 2 229,182 Time Warner Inc COM 887317105 3,262 232,682 SH SHARED 1 232,682 Time Warner Inc COM 887317105 1,304 101,424 SH SHARED 2 101,424 United Technologies Corp COM 913017109 4,211 61,194 SH SHARED 1 61,194 United Technologies Corp COM 913017109 1,615 31,116 SH SHARED 2 31,116 Unitedhealth Group Inc COM 91324P102 2,789 81,167 SH SHARED 1 81,167 Unitedhealth Group Inc COM 91324P102 1,088 33,517 SH SHARED 2 33,517 Ventas Inc COM 92276F100 5,706 127,050 SH SHARED 1 127,050 Ventas Inc COM 92276F100 813 18,103 SH SHARED 2 18,103 Verizon Communications Inc COM 913017109 -- -- SH SHARED 1 -- Verizon Communications Inc COM 913017109 57 824 SH SHARED 2 824 Viacom Inc-class B CL B 92553P201 3,927 99,121 SH SHARED 1 99,121 Viacom Inc-class B CL B 92553P201 1,504 38,117 SH SHARED 2 38,117 Vicor Corp COM 925815102 6,917 579,783 SH SHARED 1 579,783 Vornado Realty Trust SH BEN INT 929042109 4,241 49,201 SH SHARED 1 49,201 Vornado Realty Trust SH BEN INT 929042109 604 7,003 SH SHARED 2 7,003 Wachovia Corp COM 929903102 4,804 177,931 SH SHARED 1 177,931 Wachovia Corp COM 929903102 1,857 68,137 SH SHARED 2 68,137 Wal-Mart Stores Inc COM 931142103 3,955 75,073 SH SHARED 1 75,073 Wal-Mart Stores Inc COM 931142103 1,541 30,426 SH SHARED 2 30,426 Walt Disney Co COM 931142103 -- -- SH SHARED 1 -- Walt Disney Co COM 931142103 53 1,009 SH SHARED 2 1,009 Wellpoint Inc COM 94973V107 2,109 47,786 SH SHARED 1 47,786 Wellpoint Inc COM 94973V107 816 18,495 SH SHARED 2 18,495 Wells Fargo & Co COM 949746101 6,483 222,784 SH SHARED 1 222,784 Wells Fargo & Co COM 949746101 2,498 85,851 SH SHARED 2 85,851 Wyeth COM 983024100 3,426 82,033 SH SHARED 1 82,033 Wyeth COM 983024100 1,326 31,741 SH SHARED 2 31,741 1,732,448 67,962,469