UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   FORM 13F

                              FORM 13F COVER PAGE


Report for the Calendar Year or Quarter Ended: December 31, 2012
                                               -----------------------

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:    John Vaz
         -------------------------------
Title:   Compliance Analyst
         -------------------------------
Phone:   781-446-2420
         -------------------------------

Signature, Place, and Date of Signing:

   /s/ John Vaz                       Wellesley Hills, MA   February 12, 2013
   -------------------------------    -------------------   -----------------
           [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
       ---------------          ------------------------------------
    [Repeat as necessary.]




                             FORM 13F SUMMARY PAGE

Report Summary:


Number of Other Included Managers:      2
                                        --------------------

Form 13F Information Table Entry Total: 204
                                        --------------------

Form 13F Information Table Value Total: US$1,289,048
                                        --------------------
                                            (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

    1         28-12046                     Sun Capital Advisers LLC.
    ------       -----------------         ------------------------------------
    2         28-12047                     Sun Life Assurance Company of Canada
    ------       -----------------         ------------------------------------
    [Repeat as necessary.]






        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
------------------------- -------------- --------- ----------- ---------- --- ---- ---------- ---------- -------- ---------- -----
                                                                                            
3M CO                     COM            88579Y101     5,809       62,560 SH       SHARED     1                       62,560
3M CO                     COM            88579Y101     1,391       14,981 SH       SHARED     2                       14,981
Abbott Laboratories       COM            002824100     1,638       25,000 SH       SHARED     1                       25,000
Acme Packet Inc           COM            004764106    10,376      469,098 SH       SHARED     1                      469,098
Acme Packet Inc           COM            004764106     3,500      158,206 SH       SHARED     2                      158,206
Aeropostale Inc           COM            007865108    10,363      796,571 SH       SHARED     1                      796,571
Aeropostale Inc           COM            007865108     1,080       82,991 SH       SHARED     2                       82,991
AES Corporation           COM            00130H105     3,186      297,733 SH       SHARED     1                      297,733
AES Corporation           COM            00130H105     1,065       99,571 SH       SHARED     2                       99,571
American International
 Group                    COM            026874784     6,830      193,475 SH       SHARED     1                      193,475
Amgen Inc                 COM            031162100     5,590       64,851 SH       SHARED     1                       64,851
Amgen Inc                 COM            031162100     2,010       23,320 SH       SHARED     2                       23,320
Apple Inc                 COM            037833100     3,621        6,804 SH       SHARED     1                        6,804
Apple Inc                                037833100     1,278        2,401          SHARED     2                        2,401
Archer Daniels Midland    COM            039483102     4,320      157,715 SH       SHARED     1                      157,715
AT&T Inc                  COM            00206R102     6,644      197,094 SH       SHARED     1                      197,094
AT&T Inc                  COM            00206R102     2,197       65,170 SH       SHARED     2                       65,170
Bank of America Corp      COM            060505104     2,134      183,820 SH       SHARED     2                      183,820
Barclays Bank Plc         COM            06738C828    52,001   54,200,000 SH       SHARED     1                   54,200,000
Barclays Bank Plc         COM            06738C828    19,860   20,700,000 SH       SHARED     1                   20,700,000
Baxter International Inc  COM            071813109     4,641       69,624 SH       SHARED     1                       69,624
Baxter International Inc  COM            071813109     1,765       26,484 SH       SHARED     2                       26,484
BB&T Corporation          COM            054937107     3,476      119,407 SH       SHARED     1                      119,407
BB&T Corporation          COM            054937107     1,281       44,012 SH       SHARED     2                       44,012
Berkshire Hathaway Inc    COM            084670702     4,375       48,779 SH       SHARED     1                       48,779
Berkshire Hathaway Inc    COM            084670702     1,531       17,070 SH       SHARED     2                       17,070
Boeing Company            COM            097023105     5,371       71,274 SH       SHARED     1                       71,274
Boeing Company            COM            097023105     1,246       16,534 SH       SHARED     2                       16,534
Boston Scientific Corp    COM            101137107     8,456    1,475,791 SH       SHARED     1                    1,475,791
Boston Scientific Corp    COM            101137107     3,016      526,296 SH       SHARED     2                      526,296
BOSTON SCIENTIFIC
 CORPORATION              COM            101137107     5,444      950,000 SH       SHARED     1                      950,000
Bristol-Myers Squibb      COM            110122108     5,982      183,544 SH       SHARED     1                      183,544
Bristol-Myers Squibb      COM            110122108     1,527       46,855 SH       SHARED     2                       46,855
Bunge Limited             COM            G16962105     4,580       63,010 SH       SHARED     1                       63,010
Bunge Limited             COM            G16962105     1,618       22,260 SH       SHARED     2                       22,260
Caterpillar Inc           COM            149123101     1,614       18,009 SH       SHARED     1                       18,009
CCG Commercial Pool II
 Inc                      COM            12501RAF6       379        1,000 SH       SHARED     1                        1,000
Centurylink Inc           COM            156700106     3,664       93,652 SH       SHARED     1                       93,652
Centurylink Inc           COM            156700106     1,468       37,531 SH       SHARED     2                       37,531
Charles Schwab Corp       COM            808513105     3,681      256,345 SH       SHARED     1                      256,345
Charles Schwab Corp       COM            808513105       926       64,491 SH       SHARED     2                       64,491
Chevron Corp              COM            166764100    10,776       99,649 SH       SHARED     1                       99,649
Chevron Corp              COM            166764100     3,313       30,632 SH       SHARED     2                       30,632
Cisco Systems Inc         COM            17275R102     1,847       93,996 SH       SHARED     1                       93,996
Citigroup Inc             COM            172967424     1,282       32,408 SH       SHARED     2                       32,408
Clean Energy Fuels Corp   COM            184499101     3,972      319,063 SH       SHARED     1                      319,063
Clean Energy Fuels Corp   COM            184499101     1,338      107,504 SH       SHARED     2                      107,504
Coca-Cola Co              COM            191216100     6,039      166,606 SH       SHARED     1                      166,606
Coca-Cola Co              COM            191216100     1,518       41,880 SH       SHARED     2                       41,880
Commvault Systems Inc     COM            204166102     5,168       74,182 SH       SHARED     1                       74,182
Commvault Systems Inc     COM            204166102     1,736       24,923 SH       SHARED     2                       24,923
ConocoPhillips            COM            20825C104     5,041       86,931 SH       SHARED     1                       86,931
ConocoPhillips            COM            20825C104     1,170       20,176 SH       SHARED     2                       20,176
Consolidated Edison Inc   COM            209115104     1,378       24,817 SH       SHARED     1                       24,817
Cosi Inc                  COM            22122P101       775      996,776 SH       SHARED     1                      996,776
Cosi Inc                  COM            22122P101       289      371,709 SH       SHARED     2                      371,709
CVS Caremark Corporation  COM            126650100     4,436       91,758 SH       SHARED     1                       91,758
CVS Caremark Corporation  COM            126650100     1,563       32,334 SH       SHARED     2                       32,334
Deckers Outdoor Corp      COM            243537107     6,236      154,867 SH       SHARED     1                      154,867
Deckers Outdoor Corp      COM            243537107     4,816      119,593 SH       SHARED     2                      119,593
DR Horton Inc             COM            23331A109     5,008      253,191 SH       SHARED     1                      253,191
DR Horton Inc             COM            23331A109     1,762       89,094 SH       SHARED     2                       89,094
Duke Energy Corp          COM            26441C204     1,416       22,192 SH       SHARED     1                       22,192
EI Dupont de Nemour and
 Co                       COM            263534109     1,444       32,108 SH       SHARED     1                       32,108
Eli Lilly & Co            COM            532457108     4,888       99,118 SH       SHARED     1                       99,118
Eli Lilly & Co            COM            532457108     1,668       33,815 SH       SHARED     2                       33,815
Emerson Electric Co       COM            291011104     4,247       80,185 SH       SHARED     1                       80,185
Emerson Electric Co       COM            291011104     1,474       27,841 SH       SHARED     2                       27,841
EOG Resources             COM            26875P101     4,533       37,526 SH       SHARED     1                       37,526
EOG Resources             COM            26875P101     1,599       13,234 SH       SHARED     2                       13,234
Exelon Corporation        COM            30161N101       940       31,602 SH       SHARED     2                       31,602
Express Inc               COM            30219E103    10,829      717,630 SH       SHARED     1                      717,630
Express Inc               COM            30219E103     1,915      126,877 SH       SHARED     2                      126,877
Exxon Mobil Corp          COM            30231G102    17,681      204,282 SH       SHARED     1                      204,282
Exxon Mobil Corp          COM            30231G102     4,858       56,129 SH       SHARED     2                       56,129
Fifth Third Bancorp       COM            316773100     4,303      283,075 SH       SHARED     1                      283,075
Forest Laboratories Inc   COM            345838106     7,326      207,410 SH       SHARED     1                      207,410
Forest Laboratories Inc   COM            345838106     2,579       73,031 SH       SHARED     2                       73,031
Fusion-io Inc             COM            36112J107    12,007      523,645 SH       SHARED     1                      523,645
Fusion-io Inc             COM            36112J107     4,123      179,817 SH       SHARED     2                      179,817
General Electric Company  COM            369604103     8,663      412,718 SH       SHARED     1                      412,718
General Electric Company  COM            369604103     2,635      125,522 SH       SHARED     2                      125,522
Goldman Sachs Group Inc   COM            38141G104     5,049       39,584 SH       SHARED     1                       39,584
Goldman Sachs Group Inc   COM            38141G104     1,309       10,265 SH       SHARED     2                       10,265
Goodyear Tire & Rubber
 Co                       COM            382550101     4,678      338,704 SH       SHARED     1                      338,704
Goodyear Tire & Rubber
 Co                       COM            382550101     1,632      118,150 SH       SHARED     2                      118,150
Google Inc                COM            38259P508     9,377       13,256 SH       SHARED     1                       13,256
Google Inc                COM            38259P508     2,341        3,309 SH       SHARED     2                        3,309
Halozyme Therapeutics
 Inc                      COM            40637H109     5,130      764,566 SH       SHARED     1                      764,566
Halozyme Therapeutics
 Inc                      COM            40637H109     1,256      187,142 SH       SHARED     2                      187,142
Hess Corp                 COM            42809H107     3,277       61,876 SH       SHARED     1                       61,876
Hess Corp                 COM            42809H107     1,048       19,796 SH       SHARED     2                       19,796
Home Depot Inc            COM            437076102     1,917       31,000 SH       SHARED     1                       31,000
Honeywell International
 Inc                      COM            438516106     7,104      111,930 SH       SHARED     1                      111,930
Honeywell International
 Inc                      COM            438516106     1,595       25,136 SH       SHARED     2                       25,136
IBM Corp                  COM            459200101     1,526        7,969 SH       SHARED     1                        7,969
Intel Corp                COM            458140100     1,236       59,918 SH       SHARED     1                       59,918
Intermec Inc              COM            458786100     5,379      545,514 SH       SHARED     1                      545,514
INTERMEC INC              COM            458786100     3,205      325,000 SH       SHARED     1                      325,000
International Paper Co    COM            460146103    13,078      328,271 SH       SHARED     1                      328,271
International Paper Co    COM            460146103     4,240      106,435 SH       SHARED     2                      106,435
IShares                   COM            464286699     3,299      183,870 SH       SHARED     1                      183,870
IShares                                  464287465    24,384      428,838          SHARED     2                      428,838
ISHARES MSCI EAFE INDEX
 FUND                     COM            464287465     7,115      125,125 SH       SHARED     1                      125,125
ISHARES MSCI FRANCE
 INDEX FUND               COM            464286707     3,607      152,900 SH       SHARED     1                      152,900
ISHARES MSCI GERMANY
 INDEX                    COM            464286806       717       29,000 SH       SHARED     1                       29,000
ISHARES MSCI JAPAN FUND   COM            464286848     8,085      829,256 SH       SHARED     1                      829,256
ISHARES MSCI MEXICO
 INVESTABLE MARKET INDEX
 FUND                     COM            464286822     1,486       21,075 SH       SHARED     1                       21,075
ISHARES MSCI UNITED
 KINGDOM INDEX FUND       COM            464286699     2,678      149,300 SH       SHARED     1                      149,300
Johnson & Johnson         COM            478160104     3,174       45,275 SH       SHARED     1                       45,275
JP Morgan Chase & Co      COM            46625H100     2,622       59,643 SH       SHARED     2                       59,643
Kayne Anderson ETR Fund
 Inc.                     COM            48660P2#0    17,040      600,000 SH       SHARED     1                      600,000
Kayne Anderson Midstream
 Enrgy                                   48661E2*8    17,340      600,000 SH       SHARED     1                      600,000
Kayne Anderson MLP
 Investment               COM            4866062#2    17,100      600,000 SH       SHARED     1                      600,000
Kayne Anderson MLP
 Investment               COM            4866064#0    13,068      440,000 SH       SHARED     1                      440,000
Kimberly-Clark Corp       COM            494368103     5,658       67,017 SH       SHARED     1                       67,017
Kimberly-Clark Corp       COM            494368103     1,348       15,966 SH       SHARED     2                       15,966
Kohls Corp                COM            500255104     3,559       82,817 SH       SHARED     1                       82,817
Kohls Corp                COM            500255104     1,289       29,994 SH       SHARED     2                       29,994
Kraft Foods Group Inc     COM            50076Q106       610       13,418 SH       SHARED     1                       13,418
Legg Mason Inc            COM            524901105     3,820      148,519 SH       SHARED     1                      148,519
Legg Mason Inc            COM            524901105     1,349       52,460 SH       SHARED     2                       52,460
Lloyds Banking Group Plc  COM            539439AC3     1,278    1,460,000 SH       SHARED     1                    1,460,000
Lockheed Martin Corp      COM            539830109     3,636       39,401 SH       SHARED     1                       39,401
Lockheed Martin Corp      COM            539830109     1,288       13,959 SH       SHARED     2                       13,959
McDonald's Corp           COM            580135101     2,876       32,602 SH       SHARED     1                       32,602
Mellanox Technologies
 Ltd                      COM              B1R96S6     3,145       52,957 SH       SHARED     1                       52,957
Mellanox Technologies
 Ltd                      COM              B1R96S6     1,080       18,185 SH       SHARED     2                       18,185
Merck & Co Inc            COM            58933Y105     5,998      146,515 SH       SHARED     1                      146,515
Merck & Co Inc            COM            58933Y105     1,501       36,675 SH       SHARED     2                       36,675
Merge Healthcare Inc      COM            589499102     2,445      989,930 SH       SHARED     1                      989,930
Merge Healthcare Inc      COM            589499102       624      252,733 SH       SHARED     2                      252,733
Metlife Inc               COM            59156R108     3,241       98,384 SH       SHARED     1                       98,384
Microsoft Corp            COM            594918104     1,410       52,807 SH       SHARED     1                       52,807
Mondelez International
 Inc                      COM            609207105     1,025       40,255 SH       SHARED     1                       40,255
Morgan Stanley            COM            617446448     2,787      145,739 SH       SHARED     1                      145,739
Morgan Stanley            COM            617446448       923       48,290 SH       SHARED     2                       48,290
Mosaic Holdings Inc       COM            61945C103     7,825      138,175 SH       SHARED     1                      138,175
Mosaic Holdings Inc       COM            61945C103     2,673       47,196 SH       SHARED     2                       47,196
MRV Communications Inc    COM            553477407       156       15,182 SH       SHARED     2                       15,182
MRV Communications Inc    COM            553477407     2,576      250,137 SH       SHARED     1                      250,137
Neuberger Berman Real
 Estate                   COM            64190A2#9    27,106        1,000 SH       SHARED     1                        1,000
Occidental Petroleum
 Corp                     COM            674599105     3,438       44,872 SH       SHARED     1                       44,872
Occidental Petroleum
 Corp                     COM            674599105     1,212       15,824 SH       SHARED     2                       15,824
Oclaro Inc                COM            67555N206     1,788    1,138,771 SH       SHARED     1                    1,138,771
Oclaro Inc                COM            67555N206       789      502,350 SH       SHARED     2                      502,350
Palo Alto Networks Inc    COM            697435105    13,131      245,347 SH       SHARED     1                      245,347
Palo Alto Networks Inc    COM            697435105     4,956       92,597 SH       SHARED     2                       92,597
Pep-Boys Manny Moe &
 Jack                     COM            713278109     4,106      417,710 SH       SHARED     1                      417,710
Pep-Boys Manny Moe &
 Jack                     COM            713278109     1,445      146,987 SH       SHARED     2                      146,987
Pepsico Inc               COM            713448108     5,651       82,585 SH       SHARED     1                       82,585
Pepsico Inc               COM            713448108     1,390       20,310 SH       SHARED     2                       20,310
Pfizer Inc                COM            717081103     8,035      320,365 SH       SHARED     1                      320,365
Pfizer Inc                COM            717081103     1,168       46,581 SH       SHARED     2                       46,581
Philip Morris
 International            COM            718172109     4,135       49,441 SH       SHARED     1                       49,441
Philip Morris
 International            COM            718172109     1,457       17,422 SH       SHARED     2                       17,422
PNC Financial Services
 Group                    COM            693475105     4,878       83,657 SH       SHARED     1                       83,657
POWERSHARES QQQ           COM            73935A104    28,062      431,000 SH       SHARED     1                      431,000
Procter & Gamble Co       COM            742718109     9,291      136,857 SH       SHARED     1                      136,857
Procter & Gamble Co       COM            742718109     2,080       30,641 SH       SHARED     2                       30,641
Prudential Financial Inc  COM            744320102     3,325       62,354 SH       SHARED     1                       62,354
Raytheon Company          COM            755111507     3,782       65,705 SH       SHARED     1                       65,705
Raytheon Company          COM            755111507     1,340       23,278 SH       SHARED     2                       23,278
Resolute Forest Products  COM              B87SJM7        38        2,841 SH       SHARED     1                        2,841
Riverbed Technology Inc   COM            768573107    13,153      667,004 SH       SHARED     1                      667,004
Riverbed Technology Inc   COM            768573107     4,647      235,648 SH       SHARED     2                      235,648
Silicon Graphics
 International            COM            82706L108     8,912      871,123 SH       SHARED     1                      871,123
Silicon Graphics
 International            COM            82706L108     3,248      317,493 SH       SHARED     2                      317,493
SILICON GRAPHICS
 INTERNATIONAL CORP       COM            82706L108     9,621      940,500 SH       SHARED     1                      940,500
Sourcefire Inc            COM            83616T108    10,830      229,362 SH       SHARED     1                      229,362
Sourcefire Inc            COM            83616T108     2,953       62,535 SH       SHARED     2                       62,535
SPDR S&P 500 ETF TRUST    COM            78462F103   284,435    1,997,299 SH       SHARED     1                    1,997,299
State Street Corp         COM            857477103     4,207       89,490 SH       SHARED     1                       89,490
State Street Corp         COM            857477103     1,274       27,104 SH       SHARED     2                       27,104
Talisman Energy Inc       COM            87425E103     3,719      328,200 SH       SHARED     1                      328,200
Talisman Energy Inc       COM            87425E103     1,288      113,700 SH       SHARED     2                      113,700
Target Corporation        COM            87612E106     4,068       68,750 SH       SHARED     1                       68,750
Target Corporation        COM            87612E106     1,372       23,194 SH       SHARED     2                       23,194
Travelers Cos Inc         COM            89417E109     6,241       86,900 SH       SHARED     1                       86,900
Travelers Cos Inc         COM            89417E109     1,784       24,845 SH       SHARED     2                       24,845
United Technologies Corp  COM            913017109     6,759       82,415 SH       SHARED     1                       82,415
United Technologies Corp  COM            913017109     1,393       16,988 SH       SHARED     2                       16,988
US Bancorp                COM            902973304     6,614      207,074 SH       SHARED     1                      207,074
US Bancorp                COM            902973304     1,575       49,307 SH       SHARED     2                       49,307
Valero Energy Corp        COM            91913Y100     4,987      146,163 SH       SHARED     1                      146,163
Valero Energy Corp        COM            91913Y100     1,753       51,364 SH       SHARED     2                       51,364
Vanguard REIT ETF         COM            922908553    68,866    1,046,600 SH       SHARED     1                    1,046,600
Vanguard REIT ETF         COM            922908553    11,035      167,710 SH       SHARED     2                      167,710
Vasco Data Security Intl
 Inc.                     COM            92230Y104     4,470      547,840 SH       SHARED     1                      547,840
Vasco Data Security Intl
 Inc.                     COM            92230Y104     1,739      213,102 SH       SHARED     2                      213,102
Verizon Communications
 Inc                      COM            92343V104     7,022      162,281 SH       SHARED     1                      162,281
Verizon Communications
 Inc                      COM            92343V104     1,514       35,000 SH       SHARED     2                       35,000
Vicor Corp                COM            925815102     1,429      263,604 SH       SHARED     1                      263,604
Vicor Corp                COM            925815102       934      172,405 SH       SHARED     2                      172,405
VICOR CORPORATION         COM            925815102     2,966      547,164 SH       SHARED     1                      547,164
VM Ware Inc               COM            928563402     4,515       47,962 SH       SHARED     1                       47,962
VM Ware Inc               COM            928563402     1,550       16,469 SH       SHARED     2                       16,469
Wachovia Capital Trust
 III                      COM            92978AAA0    15,920   16,000,000 SH       SHARED     1                   16,000,000
Wachovia Capital Trust
 III                      COM            92978AAA0       995    1,000,000 SH       SHARED     1                    1,000,000
Wal-Mart Stores Inc       COM            931142103     1,561       22,876 SH       SHARED     1                       22,876
Walt Disney Co            COM            254687106     2,752       55,272 SH       SHARED     1                       55,272
Walt Disney Co            COM            254687106       928       18,648 SH       SHARED     2                       18,648
Wells Fargo & Co          COM            949746101     3,303       96,635 SH       SHARED     2                       96,635
XL Group Plc              COM            98372PAJ7       368      394,000 SH       SHARED     1                      394,000




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