The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

  UNITED STATES SECURITIES AND EXCHANGE COMMISSION OMB APPROVAL
 Washington, D.C. 20549
FORM 13F
OMB Number:   3235-0006
Estimated average burden
hours per response:       23.8


FORM 13F COVER PAGE


Report for the Calendar Year or Quarter Ended:
03-31-2026
 
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:Sun Life Assurance CO of Canada 
 One York Street 
 Toronto A6 M5J 0B6 

Form 13F File Number:  028-05799 
CRD Number (if applicable):   
SEC File Number (if applicable):   


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:Randolph Brown 
Title:CIO, Sun Life 
Phone: 781-416-2297 

Signature, Place, and Date of Signing:

Randolph Brown Wellesley Hills,  MASSACHUSETTS 05-08-2026 
[Signature][City, State][Date]

Do you wish to provide information pursuant to Special Instruction 5?        Yes      X  No

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.]

NameForm 13F File No.CRD No. (if applicable)SEC File No. (if applicable)
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 028-04968   

Form 13F Summary Page

Report Summary:

Number of Other Included Managers:
Form 13F Information table Entry Total:48 
Form 13F Information table Value Total:1,761,356 
 (round to nearest dollar)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F number(s) of all institutional investement managers with respect to which this report is filed, other than the manager filing this report.

   No.NameForm 13F File NumberCRD No. (if applicable)SEC File No. (if applicable)CIK
SUN LIFE CAPITAL MANAGEMENT (U.S.) LLC 028-12046   0001381133 
Sun Life Assurance Co of Canada 028-12047   0001381352 
Crescent Capital Group LP 028-15882   0001513857 

FORM 13F INFORMATION TABLE

COLUMN 1COLUMN 2COLUMN 3COLUMN 4COLUMN 5COLUMN 6COLUMN 7COLUMN 8
NAME OF ISSUER TITLE OF CLASS CUSIPFIGI VALUE
(round to nearest dollar)
SHRS OR
PRN AMT
SH /
PRN
PUT /
CALL
INVESTMENT
DISCRETION
OTHER
MANAGER
VOTING AUTHORITY
SOLESHAREDNONE
ISHARES MSCI EAFE INDEX FUND* ISHARES TR MSCI EAFE ETF464287465-7,01772,248SH-SOLE172,24800
ISHARES MSCI FRANCE ETF* ISHARES INC MSCI FRANCE ETF464286707-2,55658,910SH-SOLE158,91000
ISHARES MSCI GERMANY ETF* ISHARES INC MSCI GERMANY ETF464286806-51913,095SH-SOLE113,09500
ISHARES MSCI MEXICO CAPPED ETF* ISHARES INC MSCI MEXICO ETF464286822-1,38418,395SH-SOLE118,39500
ISHARES MSCI UNITED KINGDOM INDEX FUND* ISHARES TR MSCI UK ETF NEW46435G334-2,33451,240SH-SOLE151,24000
SPDR S&P 500 ETF TRUST* STATE STR SPDR S&P 500 ETF T TR UNIT78462F103-364,477560,441SH-SOLE1560,44100
SPDR S&P 500 ETF TRUST* STATE STR SPDR S&P 500 ETF T TR UNIT78462F103-24,22437,248SH-SOLE137,24800
SPDR S&P 500 ETF TRUST* STATE STR SPDR S&P 500 ETF T TR UNIT78462F103-4,7487,301SH-SOLE17,30100
ISHARES MSCI JAPAN UCITS ETF* ISHARES INC MSCI JAPAN ETF46434G822-4,84457,372SH-SOLE157,37200
AVALONBAY COMMUNITIES INC* AVALONBAY CMNTYS INC COM053484101-2131,307SH-SOLE11,30700
DIGITAL REALTY TRUST INC* DIGITAL RLTY TR INC COM253868103-1,4668,136SH-SOLE18,13600
EQUINIX INC* EQUINIX INC COM29444U700-1,6331,666SH-SOLE11,66600
EQUITY RESIDENTIAL PROPERTIES* EQUITY RESIDENTIAL SH BEN INT29476L107-2844,805SH-SOLE14,80500
KIMCO REALTY CORP* KIMCO REALTY CORP COM49446R109-1335,911SH-SOLE15,91100
MID-AMERICA APARTMENT COMMUNITIES INC* MID-AMER APT CMNTYS INC COM59522J103-2772,266SH-SOLE12,26600
PROLOGIS INC* PROLOGIS INC. COM74340W103-1,0157,682SH-SOLE17,68200
REGENCY CENTERS CORP* REGENCY CTRS CORP COM758849103-1341,773SH-SOLE11,77300
SIMON PROPERTY GROUP INC* SIMON PPTY GROUP INC NEW COM828806109-1,2196,535SH-SOLE16,53500
UDR INC* UDR INC COM902653104-1093,215SH-SOLE13,21500
VENTAS INC* VENTAS INC COM92276F100-4875,949SH-SOLE15,94900
WELLTOWER INC* WELLTOWER INC COM95040Q104-1,1395,760SH-SOLE15,76000
INVESCO QQQ TRUST SERIES 1* INVESCO QQQ TR UNIT SER 146090E103-62,014107,443SH-SOLE1107,44300
CAMDEN PROPERTY TRUST* CAMDEN PPTY TR SH BEN INT133131102-2132,181SH-SOLE12,18100
ISHARES ESG SCREENED S&P 500 ETF* ISHARES TR ESG SELECT SCRE46436E569-40,510823,040SH-SOLE1823,04000
ISHARES MSCI INDIA ETF* ISHARES TR MSCI INDIA ETF46429B598-18,007385,125SH-SOLE1385,12500
ISHARES MSCI TAIWAN ETF* ISHARES INC MSCI TAIWAN ETF46434G772-117,1981,652,908SH-SOLE11,652,90800
CRESCENT CAPITAL BDC INC* CRESCENT CAP BDC INC COM225655109-27,0502,226,308SH-SOLE12,226,30800
FIRST INDUSTRIAL REALTY TRUST INC* FIRST INDL RLTY TR INC COM32054K103-99417,185SH-SOLE117,18500
VANGUARD S&P 500 ETF* VANGUARD INDEX FDS S&P 500 ETF SHS922908363-279,693468,158SH-SOLE1468,15800
ISHARES CORE S&P 500 ETF* ISHARES TR CORE S&P500 ETF464287200-5,8698,985SH-SOLE18,98500
ISHARES CORE S&P 500 ETF* ISHARES TR CORE S&P500 ETF464287200-276,524423,331SH-SOLE1423,33100
ISHARES MSCI THAILAND ETF* ISHARES INC MSCI THAILND ETF464286624-15,298220,513SH-SOLE1220,51300
ISHARES MSCI INDONESIA ETF* ISHARES TR MSCI INDONIA ETF46429B309-12,616799,013SH-SOLE1799,01300
ISHARES MSCI SINGAPORE ETF* ISHARES INC MSCI SINGPOR ETF46434G780-48,8171,729,969SH-SOLE11,729,96900
ISHARES MSCI MALAYSIA ETF* ISHARES INC MSCI MLY ETF NEW46434G814-11,569407,241SH-SOLE1407,24100
AAM SLC LOW DURATION INCOME ETFETF SER SOLUTIONS AAM SLC LOW DUR26922B428-50,3982,000,000SH-SOLE12,000,00000
SPDR PORTFOLIO S&P 400 MID CAP ETF* SPDR SERIES TRUST STATE STREET SPD78464A847-23,582398,410SH-SOLE1398,41000
XTRACKERS HARVEST CSI 300 CHINA A-SHARES ETF* DBX ETF TR XTRACK HRVST CSI233051879-16,781514,607SH-SOLE1514,60700
XTRACKERS S&P 500 SCORED & SCREENED ETF* DBX ETF TR XTRACKRS S&P 500233051143-280,4184,708,946SH-SOLE14,708,94600
AAM CRESCENT CLO ETFETF SER SOLUTIONS AAM CRESCENT CLO268961844-49,6302,000,000SH-SOLE12,000,00000
ACADIA REALTY TRUST* ACADIA RLTY TR COM SH BEN INT004239109-1276,635SH-SOLE16,63500
INVENTRUST PROPERTIES CORP* INVENTRUST PPTYS CORP COM NEW46124J201-40013,122SH-SOLE113,12200
INVESCO S&P 500 EQUAL WEIGHT ETF* INVESCO EXCHANGE TRADED FD T S&P500 EQL WGT46137V357-3131,636SH-SOLE11,63600
KITE REALTY GROUP TRUST* KITE REALTY GROUP TRUST COM NEW49803T300-26310,705SH-SOLE110,70500
PHILIPS EDISON & CO INC* PHILLIPS EDISON & CO INC COMMON STOCK71844V201-39810,630SH-SOLE110,63000
VIVID SEATS INC*W EXP 10/18/20292854T118-119,720SH-SOLE319,72000
VIVID SEATS INCCOM CL A92854T209-2,456415,529SH-SOLE3415,52900
BEASLEY BROADCAST GROUP INCCL A074014200-51,524SH-SOLE31,52400