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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) |
|---|---|---|---|---|---|
| PHIBRO ANIMAL HEALTH CORP | CL A COM | 71742Q106 | — | 18,788 shares | $589,943 |
| RPM INTL INC | COM | 749685103 | — | 5,293 shares | $588,317 |
| AVALONBAY CMNTYS INC | COM | 053484101 | — | 3,112 shares | $587,203 |
| KADANT INC | COM | 48282T104 | — | 1,865 shares | $586,039 |
| BIO RAD LABS INC | CL A | 090572207 | — | 1,992 shares | $584,871 |
| ALLEGRO MICROSYSTEMS INC | COM | 01749D105 | — | 8,390 shares | $584,112 |
| PRAXIS PRECISION MEDICINES I | COM NEW | 74006W207 | — | 1,741 shares | $582,869 |
| TTM TECHNOLOGIES INC | COM | 87305R109 | — | 3,111 shares | $581,819 |
| BILL HOLDINGS INC | COM | 090043100 | — | 16,075 shares | $581,272 |
| SEZZLE INC | COM | 78435P105 | — | 3,374 shares | $579,080 |
| ASTERA LABS INC | COM | 04626A103 | — | 1,370 shares | $578,796 |
| BJS WHSL CLUB HLDGS INC | COM | 05550J101 | — | 6,633 shares | $578,530 |
| MSA SAFETY INC | COM | 553498106 | — | 3,303 shares | $576,638 |
| ROYAL BK CDA | COM | 780087102 | — | 2,785 shares | $576,411 |
| BIO RAD LABS INC | CL A | 090572207 | — | 1,961 shares | $575,769 |
| PG&E CORP | NOTE 4.250%12/0 | 69331CAL2 | — | 397,000 principal | $575,506 |
| BANK OF AMER CORP | COM | 060505104 | — | 6,971 shares | $573,337 |
| MOTOROLA SOLUTIONS INC | COM NEW | 620076307 | — | 1,379 shares | $572,685 |
| TYLER TECHNOLOGIES INC | COM | 902252105 | — | 1,952 shares | $570,882 |
| DIGITALOCEAN HLDGS INC | COM | 25402D102 | — | 3,631 shares | $570,176 |
| COSTCO WHOLESALE CORPORATION | COM | 22160K105 | — | 607 shares | $567,830 |
| INDIVIOR PHARMACEUTICALS INC | COM | 45579U109 | — | 13,836 shares | $567,691 |
| FERGUSON ENTERPRISES INC | COMMON STOCK NEW | 31488V107 | — | 2,390 shares | $567,219 |
| ROYAL BK CDA | COM | 780087102 | — | 2,736 shares | $566,292 |
| ANGLOGOLD ASHANTI PLC | COM SHS | G0378L100 | — | 6,945 shares | $561,781 |
| FORTREA HLDGS INC | COMMON STOCK | 34965K107 | — | 32,270 shares | $561,498 |
| VERSIGENT PLC | ORDINARY SHARES | G9600F104 | — | 13,354 shares | $561,002 |
| ARROWHEAD PHARMACEUTICALS IN | COM | 04280A100 | — | 6,856 shares | $558,833 |
| MAXLINEAR INC | COM | 57776J100 | — | 4,362 shares | $558,467 |
| GUIDEWIRE SOFTWARE INC | COM | 40171V100 | — | 4,534 shares | $557,909 |
| BANCO BRADESCO S A | SP ADR PFD NEW | 059460303 | — | 160,621 shares | $557,355 |
| GRAB HOLDINGS LIMITED | CLASS A ORD | G4124C109 | — | 104,103 shares | $556,781 |
| ARCUS BIOSCIENCES INC | COM | 03969F109 | — | 18,059 shares | $556,759 |
| INNIO NV | ORDINARY SHARES | N52A8C105 | — | 15,907 shares | $555,077 |
| BANCO BRADESCO S A | SP ADR PFD NEW | 059460303 | — | 180,514 shares | $554,257 |
| LIQUIDIA CORPORATION | COM NEW | 53635D202 | — | 6,951 shares | $554,203 |
| CARVANA CO | CL A | 146869102 | — | 9,552 shares | $550,628 |
| HAMILTON LANE INC | CL A | 407497106 | — | 6,984 shares | $550,549 |
| POLARIS INC | COM | 731068102 | — | 8,016 shares | $548,615 |
| ALLEGRO MICROSYSTEMS INC | COM | 01749D105 | — | 9,006 shares | $548,411 |
| YORK SPACE SYSTEMS INC | COM | 987084100 | — | 22,248 shares | $547,746 |
| CREDO TECHNOLOGY GROUP HOLDI | ORDINARY SHARES | G25457105 | — | 2,013 shares | $547,435 |
| ALNYLAM PHARMACEUTICALS INC | COM | 02043Q107 | — | 2,073 shares | $546,536 |
| GUIDEWIRE SOFTWARE INC | COM | 40171V100 | — | 5,051 shares | $543,624 |
| ATRICURE INC | COM | 04963C209 | — | 19,396 shares | $542,700 |
| ROYAL GOLD INC | COM | 780287108 | — | 2,718 shares | $542,540 |
| ZURN ELKAY WATER SOLNS CORP | COM | 98983L108 | — | 10,716 shares | $541,479 |
| LIBERTY MEDIA CORP DEL | COM LBTY ONE S C | 531229755 | — | 6,506 shares | $541,398 |
| AVALONBAY CMNTYS INC | COM | 053484101 | — | 2,866 shares | $540,786 |
| APTIV PLC | COM SHS | G3265R107 | — | 6,789 shares | $538,992 |
| DONALDSON INC | COM | 257651109 | — | 6,738 shares | $538,958 |
| DIGITALOCEAN HLDGS INC | COM | 25402D102 | — | 3,922 shares | $538,679 |
| MICROCHIP TECHNOLOGY INC. | COM | 595017104 | — | 4,563 shares | $538,264 |
| NVENT ELEC PLC | SHS | G6700G107 | — | 2,195 shares | $537,376 |
| WINGSTOP INC | COM | 974155103 | — | 2,184 shares | $537,130 |
| ROYAL GOLD INC | COM | 780287108 | — | 2,685 shares | $535,953 |
| DR REDDYS LABS LTD | ADR | 256135203 | — | 42,204 shares | $534,887 |
| RBC BEARINGS INC | COM | 75524B104 | — | 585 shares | $534,361 |
| TRANSDIGM GROUP INC | COM | 893641100 | — | 401 shares | $534,148 |
| SS&C TECH HLDGS | COM | 78467J100 | — | 8,595 shares | $533,320 |
| NETEASE COM INC | SPONSORED ADS | 64110W102 | — | 4,162 shares | $533,319 |
| YUM CHINA HLDGS INC | COM | 98850P109 | — | 9,200 shares | $533,268 |
| PALVELLA THERAPEUTICS INC NE | COM | 697947109 | — | 3,489 shares | $533,189 |
| PRIMORIS SVCS CORP | COM | 74164F103 | — | 5,357 shares | $530,986 |
| DONALDSON INC | COM | 257651109 | — | 4,092 shares | $530,224 |
| SIMPSON MFG INC | COM | 829073105 | — | 1,749 shares | $528,512 |
| SPORTRADAR GROUP AG | CLASS A ORD SHS | H8088L103 | — | 35,224 shares | $527,303 |
| METHODE ELECTRS INC | COM | 591520200 | — | 27,781 shares | $527,006 |
| SSR MINING IN | COM | 784730103 | — | 18,610 shares | $526,291 |
| INNIO NV | ORDINARY SHARES | N52A8C105 | — | 13,305 shares | $526,213 |
| SNOWFLAKE INC | COM SHS | 833445109 | — | 1,429 shares | $524,943 |
| TYLER TECHNOLOGIES INC | COM | 902252105 | — | 1,792 shares | $524,088 |
| WASTE MGMT INC DEL | COM | 94106L109 | — | 2,350 shares | $523,768 |
| VALE S A | SPONSORED ADS | 91912E105 | — | 34,735 shares | $522,414 |
| AKAMAI TECHNOLOGIES INC | COM | 00971T101 | — | 3,058 shares | $521,776 |
| JBS N.V. | CL A SHS | N4732M103 | — | 44,020 shares | $521,637 |
| CHEFS WHSE INC | COM | 163086101 | — | 5,417 shares | $520,574 |
| GENEDX HOLDINGS CORP | COM CL A | 81663L200 | — | 7,583 shares | $520,573 |
| TTM TECHNOLOGIES INC | COM | 87305R109 | — | 1,921 shares | $518,570 |
| RAYMOND JAMES FINL INC | COM | 754730109 | — | 3,402 shares | $517,206 |
| EXXON MOBIL CORP | COM | 30231G102 | — | 2,610 shares | $515,068 |
| MOTOROLA SOLUTIONS INC | COM NEW | 620076307 | — | 1,238 shares | $514,129 |
| FERROGLOBE PLC | SHS | G33856108 | — | 161,031 shares | $512,079 |
| DONALDSON INC | COM | 257651109 | — | 5,702 shares | $511,869 |
| MARTIN MARIETTA MATLS INC | COM | 573284106 | — | 887 shares | $511,533 |
| GCM GROSVENOR INC | COM CL A | 36831E108 | — | 41,539 shares | $510,930 |
| HEXCEL CORP NEW | COM | 428291108 | — | 3,597 shares | $510,451 |
| CHARLES RIV LABS INTL INC | COM | 159864107 | — | 2,525 shares | $509,455 |
| KYMERA THERAPEUTICS INC | COM | 501575104 | — | 4,435 shares | $508,561 |
| CENTENE CORP DEL | COM | 15135B101 | — | 7,904 shares | $507,358 |
| FORD MTR CO | COM | 345370860 | — | 36,485 shares | $507,142 |
| CHARLES RIV LABS INTL INC | COM | 159864107 | — | 2,234 shares | $506,649 |
| SIMON PPTY GROUP INC NEW | COM | 828806109 | — | 2,265 shares | $506,567 |
| TRIMBLE INC | COM | 896239100 | — | 9,886 shares | $505,965 |
| GOLDMAN SACHS GROUP INC | COM | 38141G104 | — | 384 shares | $502,332 |
| VANDA PHARMACEUTICALS INC | COM | 921659108 | — | 82,046 shares | $502,122 |
| WIX COM LTD | SHS | M98068105 | — | 11,022 shares | $500,068 |
| CEREBRAS SYSTEMS INC | COM CL A | 15675D103 | — | 2,261 shares | $499,681 |
| PTC THERAPEUTICS INC | COM | 69366J200 | — | 6,113 shares | $498,637 |
| TRIMBLE INC | COM | 896239100 | — | 11,115 shares | $498,148 |