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
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL
OMB Number: 3235-0006
Expires: July 31, 2015
Estimated average burden
hours per response: 23.8

Report for the Calendar Year or Quarter Ended: 06-30-2023
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

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:
/s/ Randolph Brown Wellesley HillsMA 08-11-2023
[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
028-04968 MFS
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 3
Form 13F Information Table Entry Total: 34
Form 13F Information Table Value Total: 1,635,064,906
(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
1 028-12046 SUN LIFE CAPITAL MANAGEMENT (U.S.) LLC
2 028-12047 Sun Life Assurance Co of Canada
3 028-15882 Crescent Capital Group LP

SEC FORM 13-F Information Table

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
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

OMB APPROVAL
OMB Number: 3235-0006
Expires: July 31, 2015
Estimated average burden
hours per response: 23.8

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 MANAGER SOLE SHARED NONE
ISHARES TR CORE S&P MCP ETF 464287507 290,243 1,110 SH   SOLE 1 0 0 1,110
ISHARES U S ETF TR BLACKROCK ST MAT 46431W507 40,286,077 810,259 SH   SOLE 1 810,259 0 0
J P MORGAN EXCHANGE TRADED F ULTRA SHRT INC 46641Q837 46,547,670 928,354 SH   SOLE 1 928,354 0 0
PIMCO ETF TR ENHAN SHRT MA AC 72201R833 40,132,051 402,286 SH   SOLE 1 402,286 0 0
VANGUARD ADMIRAL FDS INC SMLLCP 600 IDX 921932828 1,980,413 21,552 SH   SOLE 1 0 0 21,552
VANGUARD ADMIRAL FDS INC MIDCP 400 IDX 921932885 2,794,619 31,558 SH   SOLE 1 0 0 31,558
VANGUARD WHITEHALL FDS HIGH DIV YLD 921946406 5,901,841 55,641 SH   SOLE 1 0 0 55,641
VANGUARD INTL EQUITY INDEX F ALLWRLD EX US 922042775 4,667,943 85,792 SH   SOLE 1 0 0 85,792
VANGUARD S&P 500 ETF * VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 31,643,212 77,694 SH   SOLE 1 35,034 0 42,660
ISHARES MSCI EAFE INDEX FUND * ISHARES TR MSCI EAFE ETF 464287465 3,941,245 54,362 SH   SOLE 1 54,362 0 0
ISHARES MSCI FRANCE ETF * ISHARES INC MSCI FRANCE ETF 464286707 2,404,272 62,400 SH   SOLE 1 62,400 0 0
ISHARES MSCI GERMANY ETF * ISHARES INC MSCI GERMANY ETF 464286806 489,261 17,125 SH   SOLE 1 17,125 0 0
ISHARES MSCI MEXICO CAPPED ETF * ISHARES INC MSCI MEXICO ETF 464286822 1,002,031 16,115 SH   SOLE 1 16,115 0 0
ISHARES MSCI UNITED KINGDOM INDEX FUND * ISHARES TR MSCI UK ETF NEW 46435G334 8,930,962 276,073 SH   SOLE 1 276,073 0 0
SPDR S&P 500 ETF TRUST * SPDR S&P 500 ETF TR TR UNIT 78462F103 816,000,019 1,840,823 SH   SOLE 1 1,840,823 0 0
ISHARES MSCI JAPAN UCITS ETF * ISHARES INC MSCI JPN ETF NEW 46434G822 5,770,875 93,229 SH   SOLE 1 93,229 0 0
AVALONBAY COMMUNITIES INC * AVALONBAY CMNTYS INC COM 053484101 28,471,318 150,427 SH   SOLE 1 150,427 0 0
PROLOGIS INC * PROLOGIS INC. COM 74340W103 45,171,864 368,359 SH   SOLE 1 368,359 0 0
INVESCO QQQ TRUST SERIES 1 * INVESCO QQQ TR UNIT SER 1 46090E103 68,146,907 184,470 SH   SOLE 1 184,470 0 0
CAMDEN PROPERTY TRUST * CAMDEN PPTY TR SH BEN INT 133131102 23,492,404 215,784 SH   SOLE 1 215,784 0 0
ISHARES ESG SCREENED S&P 500 ETF * ISHARES TR ESG SCRND S&P500 46436E569 27,831,098 823,040 SH   SOLE 1 823,040 0 0
ISHARES MSCI INDIA ETF * ISHARES TR MSCI INDIA ETF 46429B598 95,729,220 2,190,600 SH   SOLE 1 2,190,600 0 0
ISHARES MSCI TAIWAN ETF * ISHARES INC MSCI TAIWAN ETF 46434G772 72,704,675 1,546,250 SH   SOLE 1 1,546,250 0 0
CRESCENT CAPITAL BDC INC * CRESCENT CAP BDC INC COM 225655109 18,791,995 1,241,215 SH   SOLE 1 1,241,215 0 0
FIRST INDUSTRIAL REALTY TRUST INC * FIRST INDL RLTY TR INC COM 32054K103 13,310,340 252,856 SH   SOLE 1 252,856 0 0
ISHARES TRUST ISHARES 1-5 YEAR INVESTMENT GRADE CORPORATE BOND ETF * ISHARES TR ISHS 1-5YR INVS 464288646 75,706,530 1,509,000 SH   SOLE 1 1,509,000 0 0
PROSHARES ULTRASHORT REAL ESTATE * PROSHARES TR ULTSHT REAL EST 74347G556 1,232,351 72,834 SH   SOLE 1 72,834 0 0
REXFORD INDUSTRIAL REALTY INC * REXFORD INDL RLTY INC COM 76169C100 13,047,376 249,854 SH   SOLE 1 249,854 0 0
ISHARES CORE S&P 500 ETF * ISHARES TR CORE S&P500 ETF 464287200 24,282,727 54,481 SH   SOLE 1 54,481 0 0
iShares iBoxx $ Investment Grade Corporate Bond ETF IBOXX INV CP ETF 464287242 867,021 8,000 SH   SOLE 1 8,000 0 0
IQVIA HLDGS INC COM 46266C105 64,959 289 SH   SOLE 3 289 0 0
MISTER CAR WASH INC COM 60646V105 89,448,147 9,269,238 SH   SOLE 3 9,269,238 0 0
ISHARES TR 7-10 YR TRSY BD 464287440 14,683,200 152,000 SH   SOLE 3 152,000 0 0
ISHARES TR IBOXX INV CP ETF 464287242 9,300,040 86,000 SH   SOLE 3 86,000 0 0