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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) |
|---|---|---|---|---|---|
| SUN CMNTYS INC | COM | 866674104 | — | 2,394 shares | $287,065 |
| ALAMOS GOLD INC | COM CL A | 011532108 | — | 9,467 shares | $286,929 |
| ORUKA THERAPEUTICS INC | COM | 687604108 | — | 3,007 shares | $286,176 |
| MOLINA HEALTHCARE INC | COM | 60855R100 | — | 1,245 shares | $284,732 |
| SERVICETITAN INC | SHS CL A | 81764X103 | — | 2,785 shares | $284,248 |
| HILTON WORLDWIDE HLDGS INC | COM | 43300A203 | — | 595 shares | $283,810 |
| AZENTA INC | COM | 114340102 | — | 11,076 shares | $282,660 |
| WOODWARD INC | COM | 980745103 | — | 468 shares | $282,382 |
| RIGEL PHARMACEUTICALS INC | COM | 766559702 | — | 7,162 shares | $280,177 |
| TJX COS INC NEW | COM | 872540109 | — | 1,279 shares | $279,689 |
| MATIV HOLDINGS INC | COM | 808541106 | — | 36,835 shares | $278,841 |
| SEPTERNA INC | COM | 81734D104 | — | 8,294 shares | $277,766 |
| NLIGHT INC | COM | 65487K100 | — | 3,982 shares | $277,227 |
| PBF ENERGY INC | CL A | 69318G106 | — | 6,081 shares | $276,807 |
| SYLVAMO CORP | COMMON STOCK | 871332102 | — | 7,312 shares | $276,394 |
| UPWORK INC | COM | 91688F104 | — | 32,879 shares | $274,868 |
| WASTE CONNECTIONS INC | COM | 94106B101 | — | 1,648 shares | $274,685 |
| NISOURCE INC | COM | 65473P105 | — | 5,774 shares | $274,554 |
| TENARIS S A | SPONSORED ADS | 88031M109 | — | 4,946 shares | $274,454 |
| DESCARTES SYS GROUP INC | COM | 249906108 | — | 3,957 shares | $273,985 |
| CONOCOPHILLIPS | COM | 20825C104 | — | 1,805 shares | $270,854 |
| APPLIED AEROSPACE & DEFENSE | COMMON STOCK | 03815J107 | — | 8,236 shares | $270,808 |
| WATSCO INC | COM | 942622200 | — | 649 shares | $270,458 |
| AMERICAN WTR WKS CO INC NEW | COM | 030420103 | — | 2,036 shares | $267,897 |
| NOVARTIS AG | SPONSORED ADR | 66987V109 | — | 1,708 shares | $267,678 |
| ACCENDRA HEALTH INC | COM | 690732102 | — | 78,117 shares | $267,160 |
| AGILON HEALTH INC | COM NEW | 00857U206 | — | 2,491 shares | $266,985 |
| WESTERN DIGITAL CORP | COM | 958102105 | — | 418 shares | $266,985 |
| KINIKSA PHARMACEUTICALS INTL | ORD SHS CL A | G52694109 | — | 4,160 shares | $266,032 |
| CBOE GLOBAL MKTS INC | COM | 12503M108 | — | 759 shares | $265,858 |
| TIMKEN CO | COM | 887389104 | — | 1,803 shares | $262,012 |
| MID-AMER APT CMNTYS INC | COM | 59522J103 | — | 1,865 shares | $259,123 |
| ADTRAN HOLDINGS INC | COM | 00486H105 | — | 18,550 shares | $257,845 |
| PROGRESSIVE CORP | COM | 743315103 | — | 815 shares | $256,981 |
| PNC FINL SVCS GROUP INC | COM | 693475105 | — | 723 shares | $256,953 |
| INNIO NV | ORDINARY SHARES | N52A8C105 | — | 4,497 shares | $256,721 |
| HANOVER INS GROUP INC | COM | 410867105 | — | 1,197 shares | $256,302 |
| KIMBALL ELECTRONICS INC | COM | 49428J109 | — | 9,980 shares | $255,488 |
| KANZHUN LIMITED | SPONSORED ADS | 48553T106 | — | 13,956 shares | $254,824 |
| CBOE GLOBAL MKTS INC | COM | 12503M108 | — | 1,050 shares | $254,804 |
| RXO INC | COMMON STOCK | 74982T103 | — | 9,231 shares | $254,683 |
| HELEN OF TROY LTD | COM | G4388N106 | — | 8,724 shares | $253,607 |
| VEEVA SYS INC | CL A COM | 922475108 | — | 1,423 shares | $252,540 |
| ALAMOS GOLD INC | COM CL A | 011532108 | — | 5,765 shares | $252,205 |
| NOVAVAX INC | COM NEW | 670002401 | — | 26,772 shares | $252,192 |
| FLOOR & DECOR HLDGS INC | CL A | 339750101 | — | 4,857 shares | $252,175 |
| COMPANIA DE MINAS BUENAVENTU | SPONSORED ADR | 204448104 | — | 8,599 shares | $251,865 |
| ENTEGRIS INC | COM | 29362U104 | — | 1,397 shares | $251,264 |
| GENERAC HLDGS INC | COM | 368736104 | — | 858 shares | $251,231 |
| CARVANA CO | CL A | 146869102 | — | 2,681 shares | $250,269 |
| CINTAS CORP | COM | 172908105 | — | 1,470 shares | $250,018 |
| OGE ENERGY CORP | COM | 670837103 | — | 5,136 shares | $249,918 |
| THOMSON REUTERS CORP | COM | 884903881 | — | 3,055 shares | $249,527 |
| PINNACLE WEST CAP CORP | COM | 723484101 | — | 2,332 shares | $249,524 |
| ASTERA LABS INC | COM | 04626A103 | — | 364 shares | $249,356 |
| VICI PPTYS INC | COM | 925652109 | — | 9,355 shares | $248,375 |
| ALNYLAM PHARMACEUTICALS INC | COM | 02043Q107 | — | 581 shares | $248,050 |
| OMEGA HEALTHCARE INVS INC | COM | 681936100 | — | 5,200 shares | $247,936 |
| ALGONQUIN POWER & UTILITIES | COM | 015857105 | — | 29,709 shares | $247,773 |
| FASTLY INC | CL A | 31188V100 | — | 9,339 shares | $247,494 |
| FABRINET | SHS | G3323L100 | — | 440 shares | $247,315 |
| INGERSOLL RAND INC | COM | 45687V106 | — | 2,082 shares | $246,396 |
| AVEANNA HEALTHCARE HLDGS INC | COM | 05356F105 | — | 28,718 shares | $246,113 |
| ULTRAPAR PARTICIPACOES SA | SP ADR REP COM | 90400P101 | — | 56,042 shares | $246,069 |
| POWELL INDS INC | COM | 739128106 | — | 858 shares | $245,697 |
| GREEN PLAINS INC | COM | 393222104 | — | 15,964 shares | $245,526 |
| METROPOLITAN BK HLDG CORP | COM | 591774104 | — | 2,482 shares | $245,122 |
| ACADIA PHARMACEUTICALS INC | COM | 004225108 | — | 9,660 shares | $244,398 |
| MOODYS CORP | COM | 615369105 | — | 373 shares | $243,850 |
| NEXTERA ENERGY INC | COM | 65339F101 | — | 1,921 shares | $243,369 |
| JANUS LIVING INC | CL A-1 | 471024109 | — | 8,449 shares | $242,824 |
| NAVAN INC | CL A | 639193101 | — | 10,588 shares | $242,148 |
| JAZZ PHARMACEUTICALS PLC | SHS USD | G50871105 | — | 1,003 shares | $241,693 |
| ARXIS INC | CL A COM | 04339D105 | — | 5,836 shares | $241,155 |
| PLANET LABS PBC | COM CL A | 72703X106 | — | 7,278 shares | $241,120 |
| KODIAK SCIENCES INC | COM | 50015M109 | — | 6,140 shares | $239,214 |
| VERALTO CORP | COM SHS | 92338C103 | — | 2,694 shares | $238,904 |
| LIBERTY MEDIA CORP DEL | COM LBTY ONE S C | 531229755 | — | 1,768 shares | $238,560 |
| NIKE INC | CL B | 654106103 | — | 4,088 shares | $238,000 |
| ALKAMI TECHNOLOGY INC | COM | 01644J108 | — | 13,082 shares | $237,046 |
| ALLEGRO MICROSYSTEMS INC | COM | 01749D105 | — | 2,399 shares | $236,874 |
| ENTEGRIS INC | COM | 29362U104 | — | 1,504 shares | $236,604 |
| GUIDEWIRE SOFTWARE INC | COM | 40171V100 | — | 1,353 shares | $236,120 |
| KURA ONCOLOGY INC | COM | 50127T109 | — | 21,466 shares | $235,482 |
| DYCOM INDS INC | COM | 267475101 | — | 465 shares | $235,099 |
| HEALTHPEAK PROPERTIES INC | COM | 42250P103 | — | 10,955 shares | $234,437 |
| ESSEX PPTY TR INC | COM | 297178105 | — | 798 shares | $232,689 |
| FERGUSON ENTERPRISES INC | COMMON STOCK NEW | 31488V107 | — | 679 shares | $232,603 |
| ASSURANT INC | COM | 04621X108 | — | 866 shares | $232,547 |
| VERTEX PHARMACEUTICALS INC | COM | 92532F100 | — | 324 shares | $232,304 |
| DIGITALOCEAN HLDGS INC | COM | 25402D102 | — | 1,041 shares | $231,839 |
| GRAB HOLDINGS LIMITED | CLASS A ORD | G4124C109 | — | 61,362 shares | $231,335 |
| NEUROCRINE BIOSCIENCES INC | COM | 64125C109 | — | 1,372 shares | $231,230 |
| AMER SPORTS INC | COM SHS | G0260P102 | — | 6,833 shares | $231,229 |
| BLUELINX HLDGS INC | COM NEW | 09624H208 | — | 3,727 shares | $230,627 |
| DISNEY WALT CO | COM | 254687106 | — | 2,387 shares | $229,749 |
| TARSUS PHARMACEUTICALS INC | COM | 87650L103 | — | 3,648 shares | $229,605 |
| PROSPERITY BANCSHARES INC | COM | 743606105 | — | 2,178 shares | $229,589 |
| COMPANHIA DE SANEAMENTO BASI | SPONSORED ADR | 20441A102 | — | 45,229 shares | $228,657 |
| QUALCOMM INC | COM | 747525103 | — | 1,235 shares | $228,216 |