SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    Form 13F

                               FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: June 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, August 08, 2007


--------------------------------------
[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: 192

Form 13F Information Table Value Total: US$1,607,266
                                         (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 - JUNE 30, 2007



COLUMN 1                          COLUMN 2     COLUMN 3  COLUMN 4       COLUMN 5       COLUMN 6  COLUMN 7       COLUMN 8
                                                          VALUE     SHRS OR  SH/ PUT/ INVESTMENT   OTHER    VOTING AUTHORITY
NAME OF ISSUER                 TITLE OF CLASS  CUSIP     (x$1000)   PRN AMT  PRN CALL DISCRETION MANAGERS SOLE   SHARED  NONE
-----------------------------------------------------------------------------------------------------------------------------
                                                                                        
Abbott Laboratories            COM            002824100     1,741     31,201 SH       SHARED            2         31,201
Altria Group Inc               COM            02209S103     1,778     25,354 SH       SHARED            2         25,354
Altria Group Inc               COM            02209S103     4,360     62,166 SH       SHARED            1         62,166
Biogen Idec Inc                COM            09062X103     1,693     31,649 SH       SHARED            2         31,649
Biogen Idec Inc                COM            09062X103     4,140     77,386 SH       SHARED            1         77,386
Capitalsource Inc              COM            14055X102     1,439     58,501 SH       SHARED            2         58,501
Capitalsource Inc              COM            14055X102     3,515    142,946 SH       SHARED            1        142,946
Chevron Corporation            COM            166764100     4,397     52,196 SH       SHARED            2         52,196
Chevron Corporation            COM            166764100    10,740    127,487 SH       SHARED            1        127,487
Cisco Systems Inc              COM            17275R102     2,125     76,286 SH       SHARED            2         76,286
Cisco Systems Inc              COM            17275R102     5,205    186,906 SH       SHARED            1        186,906
Citigroup Inc                  COM            172967101     3,461     67,480 SH       SHARED            2         67,480
Citigroup Inc                  COM            172967101     8,461    164,966 SH       SHARED            1        164,966
Coca-Cola Company              COM            191216100     1,666     31,843 SH       SHARED            2         31,843
Coca-Cola Company              COM            191216100     4,081     78,022 SH       SHARED            1         78,022
Comcast Corp                   CL A           20030N101     2,118     75,332 SH       SHARED            2         75,332
Comcast Corp                   CL A           20030N101     5,177    184,098 SH       SHARED            1        184,098
Concurrent Computer Corp       COM            206710204     1,787    998,584 SH       SHARED            2        998,584
Concurrent Computer Corp       COM            206710204     4,380  2,447,158 SH       SHARED            1      2,447,158
ConocoPhillips                 COM            20825C104     1,915     24,392 SH       SHARED            2         24,392
ConocoPhillips                 COM            20825C104     4,677     59,580 SH       SHARED            1         59,580
Corning Inc                    COM            219350105     1,808     70,763 SH       SHARED            2         70,763
Corning Inc                    COM            219350105     4,431    173,410 SH       SHARED            1        173,410
Cosi Inc                       COM            22122P101     1,490    326,845 SH       SHARED            2        326,845
Cosi Inc                       COM            22122P101     3,652    800,817 SH       SHARED            1        800,817
CVS Caremark Corporation       COM            126650100     1,929     52,924 SH       SHARED            2         52,924
CVS Caremark Corporation       COM            126650100     4,727    129,674 SH       SHARED            1        129,674
Developers Diversified Realty  COM            251591103       530     10,049 SH       SHARED            2         10,049
Developers Diversified Realty  COM            251591103     3,829     72,646 SH       SHARED            1         72,646
Dominion Resources Inc         COM            25746U109     1,556     18,025 SH       SHARED            2         18,025
Dominion Resources Inc         COM            25746U109     3,815     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       868     35,082 SH       SHARED            1         35,082
Duke Energy Corp               COM            26441C105     1,565     85,504 SH       SHARED            2         85,504
Duke Energy Corp               COM            26441C105     3,834    209,497 SH       SHARED            1        209,497
Dupont (EI) Nemours and Co     COM            263534109     1,822     35,837 SH       SHARED            2         35,837
Dupont (EI) Nemours and Co     COM            263534109     4,464     87,799 SH       SHARED            1         87,799
Eastgroup Properties           COM            277276101       458     10,455 SH       SHARED            2         10,455
Eastgroup Properties           COM            277276101     3,321     75,778 SH       SHARED            1         75,778
Eastman Kodak Co               COM            277461109     1,443     51,835 SH       SHARED            2         51,835
Eastman Kodak Co               COM            277461109     3,535    127,010 SH       SHARED            1        127,010
Eli Lilly & Co                 COM            532457108     1,514     27,094 SH       SHARED            2         27,094



Eli Lilly & Co                 COM            532457108     3,709     66,376 SH       SHARED            1         66,376
Emerson Electric Co            COM            291011104     1,598     34,154 SH       SHARED            2         34,154
Emerson Electric Co            COM            291011104     3,909     83,528 SH       SHARED            1         83,528
Equity Residential Properties  SH BEN INT     29476L107       456      9,998 SH       SHARED            2          9,998
Equity Residential Properties  SH BEN INT     29476L107     3,257     71,379 SH       SHARED            1         71,379
Exelon Corporation             COM            30161N101     1,792     24,679 SH       SHARED            2         24,679
Exelon Corporation             COM            30161N101     4,397     60,566 SH       SHARED            1         60,566
Exxon Mobil Corp               COM            30231G102     6,983     83,249 SH       SHARED            2         83,249
Exxon Mobil Corp               COM            30231G102    17,159    204,564 SH       SHARED            1        204,564
Fedex Corp                     COM            31428X106     1,405     12,664 SH       SHARED            2         12,664
Fedex Corp                     COM            31428X106     3,444     31,037 SH       SHARED            1         31,037
FHLMC                          COM            313400301     1,471     24,237 SH       SHARED            2         24,237
FHLMC                          COM            313400301     3,605     59,388 SH       SHARED            1         59,388
FNMA                           COM            313586109     1,639     25,086 SH       SHARED            2         25,086
FNMA                           COM            313586109     4,016     61,480 SH       SHARED            1         61,480
General Electric Company       COM            369604103     7,169    187,277 SH       SHARED            2        187,277
General Electric Company       COM            369604103    17,535    458,064 SH       SHARED            1        458,064
General Growth Properties      COM            370021107       563     10,636 SH       SHARED            2         10,636
General Growth Properties      COM            370021107     4,068     76,826 SH       SHARED            1         76,826
Gmh Communities Trust          COM            36188G102       569     58,731 SH       SHARED            2         58,731
Gmh Communities Trust          COM            36188G102     4,098    422,955 SH       SHARED            1        422,955
Goldman Sachs Group Inc        COM            38141G104     2,690     12,411 SH       SHARED            2         12,411
Goldman Sachs Group Inc        COM            38141G104     6,601     30,454 SH       SHARED            1         30,454
Google Inc-cl A                CL A           38259P508     1,672      3,198 SH       SHARED            2          3,198
Google Inc-cl A                CL A           38259P508     4,093      7,831 SH       SHARED            1          7,831
Health Care Properties         COM            421915109       416     14,364 SH       SHARED            2         14,364
Health Care Properties         COM            421915109     2,964    102,451 SH       SHARED            1        102,451
Hewlett Packard                COM            428236103     1,690     37,876 SH       SHARED            2         37,876
Hewlett Packard                COM            428236103     4,141     92,796 SH       SHARED            1         92,796
Highwoods Properties Inc       COM            431284108       632     16,864 SH       SHARED            2         16,864
Highwoods Properties Inc       COM            431284108     4,573    121,936 SH       SHARED            1        121,936
Hilton Hotels Corp             COM            432848109       408     12,200 SH       SHARED            2         12,200
Hilton Hotels Corp             COM            432848109     2,926     87,415 SH       SHARED            1         87,415
Honeywell International Inc    COM            438516106     1,924     34,188 SH       SHARED            2         34,188
Honeywell International Inc    COM            438516106     4,707     83,629 SH       SHARED            1         83,629
Host Hotels and Resorts Inc    COM            44107P104       512     22,158 SH       SHARED            2         22,158
Host Hotels and Resorts Inc    COM            44107P104     3,729    161,268 SH       SHARED            1        161,268
IBM Corp                       COM            459200101     2,039     19,374 SH       SHARED            2         19,374
IBM Corp                       COM            459200101     4,996     47,465 SH       SHARED            1         47,465
Intel Corp                     COM            458140100     1,835     77,309 SH       SHARED            2         77,309
Intel Corp                     COM            458140100     4,497    189,411 SH       SHARED            1        189,411
International Paper Co         COM            460146103     1,626     41,633 SH       SHARED            2         41,633
International Paper Co         COM            460146103     3,984    102,034 SH       SHARED            1        102,034
Ishares                        MSCI UTD KINGD 464286699     3,110    130,000 SH       SHARED            1        130,000
Ishares                        MSCI FRANCE    464286707     4,017    111,200 SH       SHARED            1        111,200
Ishares                        MSCI GERMAN    464286806       854     27,500 SH       SHARED            1         27,500



Ishares                        MSCI MEXICO    464286822     1,645     28,400 SH       SHARED            1         28,400
Ishares                        MSCI JAPAN     464286848     8,324    611,000 SH       SHARED            1        611,000
IShares MSCI EAFE              IDX            464287465    34,637    428,838 SH       SHARED            2        428,838
Ishares Tr                     MSCI EAFE IDX  464287465   224,939  2,966,233 SH       SHARED            1      2,966,233
Johnson & Johnson              COM            478160104     2,289     37,149 SH       SHARED            2         37,149
Johnson & Johnson              COM            478160104     5,608     91,014 SH       SHARED            1         91,014
JP Morgan Chase                COM            46625H100     3,494     72,115 SH       SHARED            2         72,115
JP Morgan Chase                COM            46625H100     8,565    176,787 SH       SHARED            1        176,787
Kimberly-Clark Corp            COM            494368103     1,654     24,729 SH       SHARED            2         24,729
Kimberly-Clark Corp            COM            494368103     4,056     60,642 SH       SHARED            1         60,642
Kimco Realty Corp              COM            49446R109       557     14,628 SH       SHARED            2         14,628
Kimco Realty Corp              COM            49446R109     4,072    106,948 SH       SHARED            1        106,948
Kraft Foods Inc                CL A           50075N104       618     17,544 SH       SHARED            2         17,544
Kraft Foods Inc                CL A           50075N104     1,516     43,020 SH       SHARED            1         43,020
Lexington Realty Trust         COM            529043101       734     35,289 SH       SHARED            2         35,289
Lexington Realty Trust         COM            529043101     5,296    254,610 SH       SHARED            1        254,610
Lowe's Companies               COM            548661107     1,615     52,623 SH       SHARED            2         52,623
Lowe's Companies               COM            548661107     3,958    128,963 SH       SHARED            1        128,963
Macerich Company               COM            554382101       773      9,380 SH       SHARED            2          9,380
Macerich Company               COM            554382101     5,587     67,784 SH       SHARED            1         67,784
Macy's Inc                     COM            55616P104     1,568     39,416 SH       SHARED            2         39,416
Macy's Inc                     COM            55616P104     3,842     96,578 SH       SHARED            1         96,578
Massey Energy Co               COM            576206106     3,661    137,359 SH       SHARED            2        137,359
Massey Energy Co               COM            576206106     8,968    336,515 SH       SHARED            1        336,515
Medical Properties Trust Inc   COM            58463J304       499     37,682 SH       SHARED            2         37,682
Medical Properties Trust Inc   COM            58463J304     3,592    271,513 SH       SHARED            1        271,513
Merck & Co Inc                 COM            589331107     2,056     41,284 SH       SHARED            2         41,284
Merck & Co Inc                 COM            589331107     5,037    101,139 SH       SHARED            1        101,139
Merge Healthcare Inc           COM            589981109     2,740    419,617 SH       SHARED            2        419,617
Merge Healthcare Inc           COM            589981109     6,714  1,028,171 SH       SHARED            1      1,028,171
Merrill Lynch & Co Inc         COM            590188108     1,911     22,862 SH       SHARED            2         22,862
Merrill Lynch & Co Inc         COM            590188108     4,751     56,843 SH       SHARED            1         56,843
Microsoft Corp                 COM            594918104     3,222    109,327 SH       SHARED            2        109,327
Microsoft Corp                 COM            594918104     7,894    267,853 SH       SHARED            1        267,853
Mrv Communications Inc         COM            553477100     3,408  1,048,702 SH       SHARED            2      1,048,702
Mrv Communications Inc         COM            553477100     8,358  2,571,725 SH       SHARED            1      2,571,725
MRV Communications Inc         COM            553477100    12,948  4,256,503 SH       SHARED            1      4,256,503
Nationwide Health Pptys Inc    COM            638620104       344     12,653 SH       SHARED            2         12,653
Nationwide Health Pptys Inc    COM            638620104     2,485     91,370 SH       SHARED            1         91,370
Oracle Corporation             COM            68389X105     1,817     92,210 SH       SHARED            2         92,210
Oracle Corporation             COM            68389X105     4,453    225,924 SH       SHARED            1        225,924
Penn Real Estate Investment Tr SH BEN INT     709102107       926     20,885 SH       SHARED            2         20,885
Penn Real Estate Investment Tr SH BEN INT     709102107     6,729    151,787 SH       SHARED            1        151,787
Pepsico Inc                    COM            713448108     1,592     24,556 SH       SHARED            2         24,556
Pepsico Inc                    COM            713448108     3,895     60,054 SH       SHARED            1         60,054
Pfizer Inc                     COM            717081103     1,645     64,343 SH       SHARED            2         64,343



Pfizer Inc                     COM            717081103     4,040    157,995 SH       SHARED            1        157,995
Plum Creek Timber              COM            17285T106        24      3,682 SH       SHARED            2          3,682
Plum Creek Timber              COM            729251108       501     12,025 SH       SHARED            2         12,025
Plum Creek Timber              COM            17285T106        58      9,025 SH       SHARED            1          9,025
Plum Creek Timber              COM            729251108     3,605     86,532 SH       SHARED            1         86,532
Powershares QQQ Nasdaq 100     COM            73935A104    17,355    389,000 SH       SHARED            1        389,000
Procter & Gamble Co            COM            742718109     2,267     37,045 SH       SHARED            2         37,045
Procter & Gamble Co            COM            742718109     5,554     90,770 SH       SHARED            1         90,770
Prologis                       SH BEN INT     743410102       547      9,611 SH       SHARED            2          9,611
Prologis                       SH BEN INT     743410102     3,902     68,571 SH       SHARED            1         68,571
Public Storage                 COM            74460D109       430      5,601 SH       SHARED            2          5,601
Public Storage                 COM            74460D109     3,089     40,215 SH       SHARED            1         40,215
Qualcom Inc                    COM            747525103     1,622     37,380 SH       SHARED            2         37,380
Qualcom Inc                    COM            747525103     3,974     91,582 SH       SHARED            1         91,582
Rackable Systems Inc           COM            750077109     1,634    132,187 SH       SHARED            2        132,187
Rackable Systems Inc           COM            750077109     4,004    323,952 SH       SHARED            1        323,952
Rackable Systems Inc           COM            750077109    10,896    940,500 SH       SHARED            1        940,500
Raytheon Co                    COM            755111507     1,767     32,795 SH       SHARED            2         32,795
Raytheon Co                    COM            755111507     4,347     80,666 SH       SHARED            1         80,666
Regency Centers Corp           COM            758849103       475      6,737 SH       SHARED            2          6,737
Regency Centers Corp           COM            758849103     3,385     48,012 SH       SHARED            1         48,012
S&P Depository Receipts        UNIT SER 1     78462F103     3,367     22,382 SH       SHARED            2         22,382
S&P Depository Receipts        UNIT SER 1     78462F103     8,252     54,854 SH       SHARED            1         54,854
Schering-Plough Corp           COM            806605101     2,353     77,286 SH       SHARED            2         77,286
Schering-Plough Corp           COM            806605101     5,768    189,502 SH       SHARED            1        189,502
Simon Property Group Inc       COM            828806109       835      8,977 SH       SHARED            2          8,977
Simon Property Group Inc       COM            828806109     6,021     64,715 SH       SHARED            1         64,715
SL Green Realty Corp           COM            78440X101       807      6,517 SH       SHARED            2          6,517
SL Green Realty Corp           COM            78440X101     5,810     46,898 SH       SHARED            1         46,898
SPDR Trust                     COM            78462F103   689,415  4,881,315 SH       SHARED            1      4,881,315
Sun Microsystem Inc            COM            866810104     6,173  1,250,000 SH       SHARED            1      1,250,000
Tenet Healthcare Corp          COM            88033G100     1,468    225,536 SH       SHARED            2        225,536
Tenet Healthcare Corp          COM            88033G100     3,597    552,530 SH       SHARED            1        552,530
Time Warner Inc                COM            887317105     2,006     95,351 SH       SHARED            2         95,351
Time Warner Inc                COM            887317105     4,896    232,682 SH       SHARED            1        232,682
Tyco International Ltd         COM            902124106       475     14,048 SH       SHARED            2         14,048
Tyco International Ltd         COM            902124106     1,162     34,375 SH       SHARED            1         34,375
United Technologies Corp       COM            913017109     1,774     25,008 SH       SHARED            2         25,008
United Technologies Corp       COM            913017109     4,340     61,194 SH       SHARED            1         61,194
Ventas Inc                     COM            92276F100       831     22,920 SH       SHARED            2         22,920
Ventas Inc                     COM            92276F100     3,768    103,952 SH       SHARED            1        103,952
Ventas Inc                     COM            92276F100     2,218     61,174 SH       SHARED            1         61,174
Verizon Communications Inc     COM            92343V104     4,532    110,080 SH       SHARED            2        110,080
Verizon Communications Inc     COM            92343V104    11,091    269,404 SH       SHARED            1        269,404
Viacom Inc-class B             CL B           92553P201     1,684     40,453 SH       SHARED            2         40,453
Viacom Inc-class B             CL B           92553P201     4,126     99,121 SH       SHARED            1         99,121



Vornado Realty Trust           SH BEN INT     929042109       590      5,376 SH       SHARED            2          5,376
Vornado Realty Trust           SH BEN INT     929042109     4,261     38,796 SH       SHARED            1         38,796
Wachovia Corp                  COM            929903102     2,041     39,816 SH       SHARED            2         39,816
Wachovia Corp                  COM            929903102     4,964     96,859 SH       SHARED            1         96,859
Wal-Mart Stores Inc            COM            931142103     1,473     30,621 SH       SHARED            2         30,621
Wal-Mart Stores Inc            COM            931142103     3,612     75,073 SH       SHARED            1         75,073
Walt Disney Co                 COM            254687106     1,638     47,967 SH       SHARED            2         47,967
Walt Disney Co                 COM            254687106     4,012    117,528 SH       SHARED            1        117,528
Wellpoint Inc                  COM            94973V107     1,557     19,505 SH       SHARED            2         19,505
Wellpoint Inc                  COM            94973V107     3,815     47,786 SH       SHARED            1         47,786
Wells Fargo & Co               COM            949746101     3,184     90,542 SH       SHARED            2         90,542
Wells Fargo & Co               COM            949746101     7,835    222,784 SH       SHARED            1        222,784
                                                        1,607,266 39,908,848