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MASSACHUSETTS FINANCIAL SERVICES CO /MA/
Period ended Jun 30, 2026 · Latest filing Aug 3, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Sep 30, 2024: $334,822,179,920
- Dec 31, 2024: $316,871,957,951
- Mar 31, 2025: $300,806,701,806
- Jun 30, 2025: $315,084,349,169
- Sep 30, 2025: $322,797,408,486
- Dec 31, 2025: $310,120,832,326
- Mar 31, 2026: $297,515,992,264
- Jun 30, 2026: $315,170,492,568
Top holdings
Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- NVIDIA CORPORATION · COM · 67066G104 · shares: $13,660,451,307
- ALPHABET INC · CAP STK CL A · 02079K305 · shares: $10,524,433,101
- APPLE INC · COM · 037833100 · shares: $8,929,188,117
- AMAZON COM INC · COM · 023135106 · shares: $8,849,366,281
- MICROSOFT CORP · COM · 594918104 · shares: $8,756,244,370
- BROADCOM INC · COM · 11135F101 · shares: $5,459,679,444
- TAIWAN SEMICONDUCTOR MANUFAC · SPONSORED ADS · 874039100 · shares: $4,728,671,524
- KLA CORP · COM NEW · 482480100 · shares: $4,473,694,536
- JPMORGAN CHASE & CO · COM · 46625H100 · shares: $4,026,741,252
- LINDE PLC · SHS · G54950103 · shares: $3,254,734,640
Reported holdings
4,175 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| SUZANO S A | SPON ADS | 86959K105 | — | 7,171 shares | $55,647 |
| COSTCO WHOLESALE CORPORATION | COM | 22160K105 | — | 59 shares | $55,193 |
| CELESTICA INC | COM | 15101Q207 | — | 151 shares | $55,069 |
| SITEONE LANDSCAPE SUPPLY INC | COM | 82982L103 | — | 480 shares | $54,917 |
| MKS INC. | COM | 55306N104 | — | 87 shares | $54,883 |
| MATADOR RES CO | COM | 576485205 | — | 1,098 shares | $54,658 |
| ACCENDRA HEALTH INC | COM | 690732102 | — | 15,958 shares | $54,576 |
| KADANT INC | COM | 48282T104 | — | 173 shares | $54,362 |
| QXO INC | COM NEW | 82846H405 | — | 3,067 shares | $52,998 |
| SIMPSON MFG INC | COM | 829073105 | — | 253 shares | $52,966 |
| SELECTIVE INS GROUP INC | COM | 816300107 | — | 545 shares | $52,870 |
| BENCHMARK ELECTRS INC | COM | 08160H101 | — | 531 shares | $52,394 |
| WELLTOWER INC | CALL | 95040Q904 | CALL | 3,700 shares | $52,250 |
| ERO COPPER CORP | COM | 296006109 | — | 1,943 shares | $51,882 |
| UNITEDHEALTH GROUP INC | COM | 91324P102 | — | 124 shares | $51,538 |
| AVEANNA HEALTHCARE HLDGS INC | COM | 05356F105 | — | 5,845 shares | $50,092 |
| NAVAN INC | CL A | 639193101 | — | 2,155 shares | $49,285 |
| ZURN ELKAY WATER SOLNS CORP | COM | 98983L108 | — | 973 shares | $49,166 |
| HELEN OF TROY LTD | COM | G4388N106 | — | 1,683 shares | $48,925 |
| KODIAK SCIENCES INC | COM | 50015M109 | — | 1,250 shares | $48,700 |
| VENTURE GLOBAL INC | COM CL A | 92333F101 | — | 3,053 shares | $48,192 |
| DYCOM INDS INC | COM | 267475101 | — | 95 shares | $48,031 |
| KURA ONCOLOGY INC | COM | 50127T109 | — | 4,369 shares | $47,928 |
| ALIBABA GROUP HLDG LTD | SPONSORED ADS | 01609W102 | — | 494 shares | $47,414 |
| JONES LANG LASALLE INC | COM | 48020Q107 | — | 152 shares | $47,112 |
| BLUELINX HLDGS INC | COM NEW | 09624H208 | — | 758 shares | $46,905 |
| COLUMBIA BKG SYS INC | COM | 197236102 | — | 1,459 shares | $46,761 |
| BANCO BILBAO VIZCAYA ARGENTA | SPONSORED ADR | 05946K101 | — | 1,825 shares | $45,735 |
| CONSTELLATION BRANDS INC | CL A | 21036P108 | — | 324 shares | $45,065 |
| BEONE MEDICINES LTD | SPONSORED ADS | 07725L102 | — | 158 shares | $45,025 |
| WEX INC | COM | 96208T104 | — | 315 shares | $44,443 |
| PRIMORIS SVCS CORP | COM | 74164F103 | — | 447 shares | $44,307 |
| RELX PLC | SPONSORED ADR | 759530108 | — | 1,387 shares | $43,926 |
| MICROCHIP TECHNOLOGY INC. | COM | 595017104 | — | 479 shares | $43,685 |
| CBOE GLOBAL MKTS INC | COM | 12503M108 | — | 178 shares | $43,195 |
| RACKSPACE TECHNOLOGY INC | COM | 750102105 | — | 6,612 shares | $43,176 |
| ON SEMICONDUCTOR CORP | COM | 682189105 | — | 322 shares | $43,174 |
| SSR MINING IN | COM | 784730103 | — | 1,521 shares | $43,014 |
| BARCLAYS PLC | ADR | 06738E204 | — | 1,570 shares | $42,170 |
| NATIONAL GRID PLC | SPONSORED ADR NE | 636274409 | — | 504 shares | $41,766 |
| CAPRICOR THERAPEUTICS INC | COM NEW | 14070B309 | — | 1,708 shares | $41,129 |
| QUANTINUUM INC | CL A COM | 74768A104 | — | 496 shares | $40,543 |
| APPLIED AEROSPACE & DEFENSE | COMMON STOCK | 03815J107 | — | 1,778 shares | $40,503 |
| FIRSTSUN CAP BANCORP | COM | 33767U107 | — | 1,043 shares | $40,448 |
| BRIGHT HORIZONS FAM SOL IN D | COM | 109194100 | — | 557 shares | $39,480 |
| LUMEXA IMAGING HOLDINGS INC | COM | 550249106 | — | 3,453 shares | $38,950 |
| SONY GROUP CORP | SPONSORED ADR | 835699307 | — | 1,933 shares | $38,776 |
| ZENAS BIOPHARMA INC | COM | 98937L105 | — | 1,524 shares | $38,679 |
| VISTEON CORP | COM NEW | 92839U206 | — | 384 shares | $38,097 |
| MINIMED GROUP INC | COM | 60365F109 | — | 1,795 shares | $38,059 |
| MONDAY COM LTD | SHS | M7S64H106 | — | 511 shares | $36,991 |
| QUALCOMM INC | COM | 747525103 | — | 199 shares | $36,773 |
| VIAVI SOLUTIONS INC | COM | 925550105 | — | 747 shares | $35,669 |
| CORNING INC | COM | 219350105 | — | 138 shares | $35,249 |
| PROSPERITY BANCSHARES INC | COM | 743606105 | — | 473 shares | $34,543 |
| PALANTIR TECHNOLOGIES INC | CL A | 69608A108 | — | 293 shares | $34,184 |
| SMARTSTOP SELF STORAG REIT I | COMMON STOCK | 83192D402 | — | 988 shares | $32,110 |
| MARVELL TECHNOLOGY INC | COM | 573874104 | — | 107 shares | $31,874 |
| ARDELYX INC | COM | 039697107 | — | 6,218 shares | $31,712 |
| URANIUM ENERGY CORP | COM | 916896103 | — | 2,957 shares | $31,522 |
| GRAND CANYON ED INC | COM | 38526M106 | — | 219 shares | $31,341 |
| TEXTRON INC | COM | 883203101 | — | 340 shares | $31,188 |
| EASTMAN CHEM CO | COM | 277432100 | — | 456 shares | $30,543 |
| CENTURY ALUM CO | COM | 156431108 | — | 648 shares | $29,814 |
| AXIS CAP HLDGS LTD | SHS | G0692U109 | — | 264 shares | $28,364 |
| DEERE & CO | COM | 244199105 | — | 41 shares | $26,008 |
| CROWDSTRIKE HLDGS INC | CL A | 22788C105 | — | 32 shares | $24,420 |
| TRIP COM GROUP LTD | ADS | 89677Q107 | — | 598 shares | $23,824 |
| DELL TECHNOLOGIES INC | CL C | 24703L202 | — | 53 shares | $22,867 |
| BANK MONTREAL MEDIUM | COM | 063671101 | — | 127 shares | $22,447 |
| PORTLAND GEN ELEC CO | COM NEW | 736508847 | — | 430 shares | $22,287 |
| WALMART INC | COM | 931142103 | — | 191 shares | $21,633 |
| COLUMBIA SPORTSWEAR CO | COM | 198516106 | — | 320 shares | $19,782 |
| SHERWIN WILLIAMS CO | COM | 824348106 | — | 57 shares | $19,626 |
| PARKER-HANNIFIN CORP | COM | 701094104 | — | 20 shares | $19,562 |
| HALEON PLC | SPON ADS | 405552100 | — | 2,091 shares | $19,509 |
| MIZUHO FINANCIAL GROUP INC | SPONSORED ADR | 60687Y109 | — | 1,980 shares | $18,968 |
| MARVELL TECHNOLOGY INC | COM | 573874104 | — | 63 shares | $18,767 |
| DISNEY WALT CO | COM | 254687106 | — | 192 shares | $18,480 |
| BROOKFIELD CORP | CL A LTD VT SH | 11271J107 | — | 430 shares | $18,346 |
| NIKE INC | CL B | 654106103 | — | 436 shares | $17,898 |
| DIAGEO PLC | SPON ADR NEW | 25243Q205 | — | 222 shares | $17,844 |
| CELSIUS HLDGS INC | COM NEW | 15118V207 | — | 602 shares | $17,627 |
| DELL TECHNOLOGIES INC | CL C | 24703L202 | — | 40 shares | $17,258 |
| MCDONALDS CORP | COM | 580135101 | — | 63 shares | $17,030 |
| STRYKER CORPORATION | COM | 863667101 | — | 54 shares | $17,001 |
| INTERACTIVE BROKERS GROUP IN | COM CL A | 45841N107 | — | 187 shares | $16,276 |
| PHOENIX ED PARTNERS INC | COM | 718968100 | — | 493 shares | $16,195 |
| SLB LIMITED | COM STK | 806857108 | — | 345 shares | $16,039 |
| WOLVERINE WORLD WIDE INC | COM | 978097103 | — | 948 shares | $15,670 |
| CUMMINS INC | COM | 231021106 | — | 21 shares | $14,977 |
| APPLOVIN CORP | COM CL A | 03831W108 | — | 29 shares | $14,942 |
| BANK NOVA SCOTIA B C | COM | 064149107 | — | 167 shares | $14,515 |
| ELECTRONIC ARTS INC | COM | 285512109 | — | 69 shares | $14,148 |
| BANK OF NY MELLON CORP | COM | 064058100 | — | 96 shares | $13,883 |
| BIO RAD LABS INC | CL A | 090572207 | — | 46 shares | $13,553 |
| CANADIAN NAT RES LTD MED TER | COM | 136385101 | — | 340 shares | $13,454 |
| ECOLAB INC | COM | 278865100 | — | 48 shares | $13,373 |
| BANK MONTREAL MEDIUM | COM | 063671101 | — | 75 shares | $13,251 |
| AMERICAN TOWER CORP | COM | 03027X100 | — | 80 shares | $13,086 |