SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                    Form 13F
                               FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: September 30, 2007

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, November 13, 2007
-----------------------   [City, State] [Date]
[Signature]

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:   202
Form 13F Information Table Value Total:   US$1,715,605
                                          (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 - SEPTEMBER 30, 2007



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     1,639     17,512 SH       SHARED            2          17,512
3M Corporation                 COM            88579Y101     4,145     44,293 SH       SHARED            1          44,293
Acme Packet Inc                COM            004764106    15,380  1,000,000 SH       SHARED            1       1,000,000
AERCAP HOLDINGS NV             SHS            N00985106     1,655     66,473 SH       SHARED            2          66,473
AERCAP HOLDINGS NV             SHS            N00985106     4,184    168,096 SH       SHARED            1         168,096
Altria Group Inc               COM            02209S103     1,705     24,520 SH       SHARED            2          24,520
Altria Group Inc               COM            02209S103     4,322     62,166 SH       SHARED            1          62,166
AT&T Inc                       COM            00206R102     3,397     80,287 SH       SHARED            2          80,287
AT&T Inc                       COM            00206R102     8,598    203,223 SH       SHARED            1         203,223
Biogen Idec Inc                COM            09062X103     2,030     30,608 SH       SHARED            2          30,608
Biogen Idec Inc                COM            09062X103     5,133     77,386 SH       SHARED            1          77,386
Boston Scientific              COM            101137107    12,546    900,000 SH       SHARED            1         900,000
Boston Scientific Corp         COM            101137107     1,603    114,930 SH       SHARED            2         114,930
Boston Scientific Corp         COM            101137107     3,930    281,734 SH       SHARED            1         281,734
Bristol-Myers Squibb           COM            110122108     1,579     54,780 SH       SHARED            2          54,780
Bristol-Myers Squibb           COM            110122108     3,993    138,544 SH       SHARED            1         138,544
Chevron Corporation            COM            166764100     4,724     50,478 SH       SHARED            2          50,478
Chevron Corporation            COM            166764100    11,930    127,487 SH       SHARED            1         127,487
Cisco Systems Inc              COM            17275R102     2,444     73,774 SH       SHARED            2          73,774
Cisco Systems Inc              COM            17275R102     6,192    186,906 SH       SHARED            1         186,906
Citadel Broadcasting Corp      COM            17285T106        15      3,562 SH       SHARED            2           3,562
Citadel Broadcasting Corp      COM            17285T106        38      9,025 SH       SHARED            1           9,025
Citigroup Inc                  COM            172967101     3,046     65,258 SH       SHARED            2          65,258
Citigroup Inc                  COM            172967101     7,699    164,966 SH       SHARED            1         164,966
Coca-Cola Company              COM            191216100     1,770     30,795 SH       SHARED            2          30,795
Coca-Cola Company              COM            191216100     4,484     78,022 SH       SHARED            1          78,022
Comcast Corp                   CL A           20030N101     1,762     72,851 SH       SHARED            2          72,851
Comcast Corp                   CL A           20030N101     4,451    184,098 SH       SHARED            1         184,098
Concurrent Computer Corp       COM            206710204     1,255    965,688 SH       SHARED            2         965,688
Concurrent Computer Corp       COM            206710204     3,181  2,447,158 SH       SHARED            1       2,447,158
ConocoPhillips                 COM            20825C104     2,070     23,589 SH       SHARED            2          23,589
ConocoPhillips                 COM            20825C104     5,229     59,580 SH       SHARED            1          59,580
Corning Inc                    COM            219350105     1,687     68,433 SH       SHARED            2          68,433
Corning Inc                    COM            219350105     4,275    173,410 SH       SHARED            1         173,410
Cosi Inc                       COM            22122P101     1,094    316,079 SH       SHARED            2         316,079
Cosi Inc                       COM            22122P101     2,771    800,817 SH       SHARED            1         800,817
CVS Caremark Corporation       COM            126650100     2,028     51,182 SH       SHARED            2          51,182
CVS Caremark Corporation       COM            126650100     5,139    129,674 SH       SHARED            1         129,674



Developers Diversified Realty  COM            251591103       561     10,049 SH       SHARED            2          10,049
Developers Diversified Realty  COM            251591103     4,204     75,254 SH       SHARED            1          75,254
Dominion Resources Inc         COM            25746U109     1,470     17,432 SH       SHARED            2          17,432
Dominion Resources Inc         COM            25746U109     3,726     44,199 SH       SHARED            1          44,199
Douglas Emmett Inc-w/i         COM            25960P109       120      4,856 SH       SHARED            2           4,856
Douglas Emmett Inc-w/i         COM            25960P109       899     36,337 SH       SHARED            1          36,337
Dow Chemical Company           COM            260543103     1,561     36,242 SH       SHARED            2          36,242
Dow Chemical Company           COM            260543103     3,947     91,664 SH       SHARED            1          91,664
Duke Energy Corp               COM            26441C105     1,545     82,688 SH       SHARED            2          82,688
Duke Energy Corp               COM            26441C105     3,915    209,497 SH       SHARED            1         209,497
Dupont (EI) Nemours and Co     COM            263534109     1,718     34,657 SH       SHARED            2          34,657
Dupont (EI) Nemours and Co     COM            263534109     4,351     87,799 SH       SHARED            1          87,799
Eastgroup Properties           COM            277276101       473     10,455 SH       SHARED            2          10,455
Eastgroup Properties           COM            277276101     3,552     78,488 SH       SHARED            1          78,488
Eastman Kodak Co               COM            277461109     1,341     50,128 SH       SHARED            2          50,128
Eastman Kodak Co               COM            277461109     3,399    127,010 SH       SHARED            1         127,010
Eli Lilly & Co                 COM            532457108     1,492     26,202 SH       SHARED            2          26,202
Eli Lilly & Co                 COM            532457108     3,779     66,376 SH       SHARED            1          66,376
Equity Residential Properties  SH BEN INT     29476L107       424      9,998 SH       SHARED            2           9,998
Equity Residential Properties  SH BEN INT     29476L107     3,130     73,889 SH       SHARED            1          73,889
Exelon Corporation             COM            30161N101     1,799     23,867 SH       SHARED            2          23,867
Exelon Corporation             COM            30161N101     4,564     60,566 SH       SHARED            1          60,566
Exxon Mobil Corp               COM            30231G102     7,452     80,507 SH       SHARED            2          80,507
Exxon Mobil Corp               COM            30231G102    18,934    204,564 SH       SHARED            1         204,564
Fedex Corp                     COM            31428X106     1,283     12,248 SH       SHARED            2          12,248
Fedex Corp                     COM            31428X106     3,251     31,037 SH       SHARED            1          31,037
FHLMC                          COM            313400301     1,383     23,439 SH       SHARED            2          23,439
FHLMC                          COM            313400301     3,504     59,388 SH       SHARED            1          59,388
FINISAR Corporation            COM            31787A101     5,610  2,018,000 SH       SHARED            1       2,018,000
FNMA                           COM            313586109     1,475     24,260 SH       SHARED            2          24,260
FNMA                           COM            313586109     3,739     61,480 SH       SHARED            1          61,480
General Electric Company       COM            369604103     7,498    181,108 SH       SHARED            2         181,108
General Electric Company       COM            369604103    18,964    458,064 SH       SHARED            1         458,064
General Growth Properties      COM            370021107       570     10,636 SH       SHARED            2          10,636
General Growth Properties      COM            370021107     4,267     79,578 SH       SHARED            1          79,578
Gmh Communities Trust          COM            36188G102       455     58,731 SH       SHARED            2          58,731
Gmh Communities Trust          COM            36188G102     3,395    438,106 SH       SHARED            1         438,106
Goldman Sachs Group Inc        COM            38141G104     2,602     12,003 SH       SHARED            2          12,003
Goldman Sachs Group Inc        COM            38141G104     6,601     30,454 SH       SHARED            1          30,454
Google Inc-cl A                CL A           38259P508     1,755      3,093 SH       SHARED            2           3,093
Google Inc-cl A                CL A           38259P508     4,442      7,831 SH       SHARED            1           7,831
HCP Inc                        COM            40414L109       476     14,364 SH       SHARED            2          14,364



HCP Inc                        COM            40414L109     3,517    106,040 SH       SHARED            1         106,040
Hewlett Packard                COM            428236103     1,824     36,629 SH       SHARED            2          36,629
Hewlett Packard                COM            428236103     4,620     92,796 SH       SHARED            1          92,796
Highwoods Properties Inc       COM            431284108       618     16,864 SH       SHARED            2          16,864
Highwoods Properties Inc       COM            431284108     4,632    126,313 SH       SHARED            1         126,313
Hilton Hotels Corp             COM            432848109       196      4,217 SH       SHARED            2           4,217
Hilton Hotels Corp             COM            432848109     1,274     27,406 SH       SHARED            1          27,406
Honeywell International Inc    COM            438516106     1,966     33,063 SH       SHARED            2          33,063
Honeywell International Inc    COM            438516106     4,973     83,629 SH       SHARED            1          83,629
Host Hotels and Resorts Inc    COM            44107P104       497     22,158 SH       SHARED            2          22,158
Host Hotels and Resorts Inc    COM            44107P104     3,749    167,065 SH       SHARED            1         167,065
IBM Corp                       COM            459200101     2,207     18,737 SH       SHARED            2          18,737
IBM Corp                       COM            459200101     5,591     47,465 SH       SHARED            1          47,465
Intel Corp                     COM            458140100     1,933     74,763 SH       SHARED            2          74,763
Intel Corp                     COM            458140100     4,898    189,411 SH       SHARED            1         189,411
International Paper Co         COM            460146103     1,444     40,263 SH       SHARED            2          40,263
International Paper Co         COM            460146103     3,660    102,034 SH       SHARED            1         102,034
Ishares                        MSCI UTD KINGD 464286699     3,369    131,000 SH       SHARED            1         131,000
Ishares                        MSCI FRANCE    464286707     4,276    111,200 SH       SHARED            1         111,200
Ishares                        MSCI GERMAN    464286806       915     26,500 SH       SHARED            1          26,500
Ishares                        MSCI MEXICO    464286822     1,655     28,400 SH       SHARED            1          28,400
Ishares                        MSCI JAPAN     464286848     7,533    525,706 SH       SHARED            1         525,706
IShares MSCI EAFE              IDX            464287465    35,418    428,838 SH       SHARED            2         428,838
Ishares Tr                     MSCI EAFE IDX  464287465   242,999  2,942,233 SH       SHARED            1       2,942,233
Johnson & Johnson              COM            478160104     2,360     35,927 SH       SHARED            2          35,927
Johnson & Johnson              COM            478160104     5,980     91,014 SH       SHARED            1          91,014
JP Morgan Chase                COM            46625H100     3,195     69,740 SH       SHARED            2          69,740
JP Morgan Chase                COM            46625H100     8,100    176,787 SH       SHARED            1         176,787
Kimberly-Clark Corp            COM            494368103     1,680     23,915 SH       SHARED            2          23,915
Kimberly-Clark Corp            COM            494368103     4,261     60,642 SH       SHARED            1          60,642
Kimco Realty Corp              COM            49446R109       661     14,628 SH       SHARED            2          14,628
Kimco Realty Corp              COM            49446R109     5,010    110,819 SH       SHARED            1         110,819
Kraft Foods Inc                CL A           50075N104       586     16,967 SH       SHARED            2          16,967
Kraft Foods Inc                CL A           50075N104     1,485     43,020 SH       SHARED            1          43,020
Lexington Realty Trust         COM            529043101       706     35,289 SH       SHARED            2          35,289
Lexington Realty Trust         COM            529043101     5,277    263,731 SH       SHARED            1         263,731
Lowe's Companies               COM            548661107     1,426     50,891 SH       SHARED            2          50,891
Lowe's Companies               COM            548661107     3,614    128,963 SH       SHARED            1         128,963
Macerich Company               COM            554382101       822      9,380 SH       SHARED            2           9,380
Macerich Company               COM            554382101     6,150     70,217 SH       SHARED            1          70,217
Macy's Inc                     COM            55616P104     1,285     39,749 SH       SHARED            2          39,749
Macy's Inc                     COM            55616P104     3,255    100,722 SH       SHARED            1         100,722



Marvell Technology Group       ORD            G5876H105     1,475     90,092 SH       SHARED            2          90,092
Marvell Technology Group       ORD            G5876H105     3,737    228,312 SH       SHARED            1         228,312
Marvell Technology Group Ltd   COM            G5876H105    14,733    900,000 SH       SHARED            1         900,000
Massey Energy Co               COM            576206106     2,898    132,835 SH       SHARED            2         132,835
Massey Energy Co               COM            576206106     7,343    336,515 SH       SHARED            1         336,515
Medical Properties Trust Inc   COM            58463J304       502     37,682 SH       SHARED            2          37,682
Medical Properties Trust Inc   COM            58463J304     3,746    281,215 SH       SHARED            1         281,215
Merck & Co Inc                 COM            589331107     2,064     39,925 SH       SHARED            2          39,925
Merck & Co Inc                 COM            589331107     5,228    101,139 SH       SHARED            1         101,139
Merge Healthcare Inc           COM            589981109     1,837    417,494 SH       SHARED            2         417,494
Merge Healthcare Inc           COM            589981109     4,524  1,028,171 SH       SHARED            1       1,028,171
Merrill Lynch & Co Inc         COM            590188108     1,576     22,110 SH       SHARED            2          22,110
Merrill Lynch & Co Inc         COM            590188108     4,052     56,843 SH       SHARED            1          56,843
Microsoft Corp                 COM            594918104     3,115    105,726 SH       SHARED            2         105,726
Microsoft Corp                 COM            594918104     7,891    267,853 SH       SHARED            1         267,853
Mrv Communications Inc         COM            553477100     2,922  1,178,210 SH       SHARED            2       1,178,210
Mrv Communications Inc         COM            553477100     7,184  2,896,634 SH       SHARED            1       2,896,634
MRV Communications Inc         COM            553477100    12,613  5,106,503 SH       SHARED            1       5,106,503
Nationwide Health Pptys Inc    COM            638620104       381     12,653 SH       SHARED            2          12,653
Nationwide Health Pptys Inc    COM            638620104     2,852     94,640 SH       SHARED            1          94,640
Omnicare                       COM            681904108    16,939    511,300 SH       SHARED            1         511,300
Oracle Corporation             COM            68389X105     1,931     89,173 SH       SHARED            2          89,173
Oracle Corporation             COM            68389X105     4,891    225,924 SH       SHARED            1         225,924
Penn Real Estate Investment Tr SH BEN INT     709102107       813     20,885 SH       SHARED            2          20,885
Penn Real Estate Investment Tr SH BEN INT     709102107     6,119    157,146 SH       SHARED            1         157,146
Pepsico Inc                    COM            713448108     1,740     23,748 SH       SHARED            2          23,748
Pepsico Inc                    COM            713448108     4,400     60,054 SH       SHARED            1          60,054
Pfizer Inc                     COM            717081103     1,986     81,313 SH       SHARED            2          81,313
Pfizer Inc                     COM            717081103     5,039    206,277 SH       SHARED            1         206,277
Plum Creek Timber Co Common    COM            729251108       779     17,393 SH       SHARED            2          17,393
Plum Creek Timber Co Common    COM            729251108     5,799    129,568 SH       SHARED            1         129,568
Powershares QQQ Nasdaq 100     COM            73935A104    20,192    393,000 SH       SHARED            1         393,000
Procter & Gamble Co            COM            742718109     2,520     35,826 SH       SHARED            2          35,826
Procter & Gamble Co            COM            742718109     6,385     90,770 SH       SHARED            1          90,770
Prologis                       SH BEN INT     743410102       853     12,849 SH       SHARED            2          12,849
Prologis                       SH BEN INT     743410102     6,313     95,143 SH       SHARED            1          95,143
Public Storage                 COM            74460D109       441      5,601 SH       SHARED            2           5,601
Public Storage                 COM            74460D109     3,276     41,656 SH       SHARED            1          41,656
Qualcom Inc                    COM            747525103     1,528     36,149 SH       SHARED            2          36,149
Qualcom Inc                    COM            747525103     3,870     91,582 SH       SHARED            1          91,582
Rackable Systems Inc           COM            750077109     1,714    132,138 SH       SHARED            2         132,138
Rackable Systems Inc           COM            750077109     4,202    323,952 SH       SHARED            1         323,952



Rackable Systems Inc           COM            750077109    12,189    940,500 SH       SHARED            1         940,500
Regency Centers Corp           COM            758849103       517      6,737 SH       SHARED            2           6,737
Regency Centers Corp           COM            758849103     3,818     49,744 SH       SHARED            1          49,744
Simon Property Group Inc       COM            828806109     1,153     11,528 SH       SHARED            2          11,528
Simon Property Group Inc       COM            828806109     8,602     86,022 SH       SHARED            1          86,022
SL Green Realty Corp           COM            78440X101       761      6,517 SH       SHARED            2           6,517
SL Green Realty Corp           COM            78440X101     5,673     48,586 SH       SHARED            1          48,586
SPDR Trust                     COM            78462F103   692,878  4,538,405 SH       SHARED            1       4,538,405
Sprint Nextel Corp             COM            852061100     1,582     83,275 SH       SHARED            2          83,275
Sprint Nextel Corp             COM            852061100     4,002    210,615 SH       SHARED            1         210,615
Tenet Healthcare Corp          COM            88033G100     1,678    499,374 SH       SHARED            2         499,374
Tenet Healthcare Corp          COM            88033G100     5,618  1,672,166 SH       SHARED            1       1,672,166
Time Warner Inc                COM            887317105     1,693     92,211 SH       SHARED            2          92,211
Time Warner Inc                COM            887317105     4,272    232,682 SH       SHARED            1         232,682
United Technologies Corp       COM            913017109     1,946     24,185 SH       SHARED            2          24,185
United Technologies Corp       COM            913017109     4,925     61,194 SH       SHARED            1          61,194
Unitedhealth Group Inc         COM            91324P102     1,554     32,093 SH       SHARED            2          32,093
Unitedhealth Group Inc         COM            91324P102     3,931     81,167 SH       SHARED            1          81,167
Ventas Inc                     COM            92276F100       949     22,920 SH       SHARED            2          22,920
Ventas Inc                     COM            92276F100     7,080    171,024 SH       SHARED            1         171,024
Verizon Communications Inc     COM            92343V104     1,605     36,244 SH       SHARED            2          36,244
Verizon Communications Inc     COM            92343V104     4,059     91,661 SH       SHARED            1          91,661
Viacom Inc-class B             CL B           92553P201     1,525     39,121 SH       SHARED            2          39,121
Viacom Inc-class B             CL B           92553P201     3,863     99,121 SH       SHARED            1          99,121
Vornado Realty Trust           SH BEN INT     929042109       774      7,080 SH       SHARED            2           7,080
Vornado Realty Trust           SH BEN INT     929042109     5,782     52,872 SH       SHARED            1          52,872
Wachovia Corp                  COM            929903102     1,931     38,506 SH       SHARED            2          38,506
Wachovia Corp                  COM            929903102     4,857     96,859 SH       SHARED            1          96,859
Wal-Mart Stores Inc            COM            931142103     1,293     29,613 SH       SHARED            2          29,613
Wal-Mart Stores Inc            COM            931142103     3,277     75,073 SH       SHARED            1          75,073
Walt Disney Co                 COM            254687106     1,595     46,387 SH       SHARED            2          46,387
Walt Disney Co                 COM            254687106     4,042    117,528 SH       SHARED            1         117,528
Wellpoint Inc                  COM            94973V107     1,489     18,863 SH       SHARED            2          18,863
Wellpoint Inc                  COM            94973V107     3,771     47,786 SH       SHARED            1          47,786
Wells Fargo & Co               COM            949746101     3,119     87,560 SH       SHARED            2          87,560
Wells Fargo & Co               COM            949746101     7,936    222,784 SH       SHARED            1         222,784
Wyeth                          COM            983024100     1,442     32,373 SH       SHARED            2          32,373
Wyeth                          COM            983024100     3,655     82,033 SH       SHARED            1          82,033

                                                        1,715,605 47,347,467                                   47,347,467