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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) |
|---|---|---|---|---|---|
| GENERAC HLDGS INC | COM | 368736104 | — | 890 shares | $227,937 |
| ARXIS INC | CL A COM | 04339D105 | — | 4,939 shares | $227,885 |
| EAGLE BANCORPORATION INC | COM | 268948106 | — | 8,024 shares | $227,801 |
| WARNER MUSIC GROUP CORP | COM CL A | 934550203 | — | 8,379 shares | $226,820 |
| CAVA GROUP INC | COM | 148929102 | — | 2,884 shares | $226,336 |
| EPAM SYS INC | COM | 29414B104 | — | 2,835 shares | $224,957 |
| MYR GROUP INC | COM | 55405W104 | — | 449 shares | $224,680 |
| CBRE GROUP INC | CL A | 12504L109 | — | 1,662 shares | $223,855 |
| WW GRAINGER INC | COM | 384802104 | — | 114 shares | $223,853 |
| BOX INC | CL A | 10316T104 | — | 8,417 shares | $223,387 |
| QUAD / GRAPHICS INC | COM CL A | 747301109 | — | 26,427 shares | $222,780 |
| MONTE ROSA THERAPEUTICS INC | COM | 61225M102 | — | 9,195 shares | $222,519 |
| PENTAIR PLC | SHS | G7S00T104 | — | 2,007 shares | $222,079 |
| CBOE GLOBAL MKTS INC | COM | 12503M108 | — | 913 shares | $221,558 |
| SPIRE INC | COM | 84857L101 | — | 2,831 shares | $221,073 |
| STARBUCKS CORP | COM | 855244109 | — | 1,489 shares | $219,632 |
| REGENXBIO INC | COM | 75901B107 | — | 18,268 shares | $218,851 |
| CNH INDL N V | SHS | N20944109 | — | 19,439 shares | $218,300 |
| EMERSON ELEC CO | COM | 291011104 | — | 1,056 shares | $218,196 |
| CG ONCOLOGY INC | COM | 156944100 | — | 3,054 shares | $216,987 |
| AMER SPORTS INC | COM SHS | G0260P102 | — | 7,271 shares | $215,211 |
| NU HLDGS LTD | ORD SHS CL A | G6683N103 | — | 16,024 shares | $214,081 |
| URANIUM ENERGY CORP | COM | 916896103 | — | 13,896 shares | $213,815 |
| REXFORD INDL RLTY INC | COM | 76169C100 | — | 6,343 shares | $212,491 |
| FORD MTR CO | COM | 345370860 | — | 15,286 shares | $212,475 |
| ALPHA & OMEGA SEMICONDUCTOR | SHS | G6331P104 | — | 4,484 shares | $212,228 |
| SOUTHWEST GAS HLDGS INC | COM | 844895102 | — | 2,393 shares | $212,211 |
| RACKSPACE TECHNOLOGY INC | COM | 750102105 | — | 32,488 shares | $212,147 |
| SPORTRADAR GROUP AG | CLASS A ORD SHS | H8088L103 | — | 9,975 shares | $211,781 |
| UNIVERSAL HLTH SVCS INC | CL B | 913903100 | — | 1,423 shares | $211,586 |
| TRIMBLE INC | COM | 896239100 | — | 2,914 shares | $211,516 |
| PROTHENA CORP PLC | SHS | G72800108 | — | 21,492 shares | $210,407 |
| EVEREST GROUP LTD | COM | G3223R108 | — | 588 shares | $210,051 |
| DUKE ENERGY CORP NEW | COM NEW | 26441C204 | — | 1,149 shares | $209,931 |
| DTE ENERGY CO | COM | 233331107 | — | 1,377 shares | $209,813 |
| EQUITY RESIDENTIAL | SH BEN INT | 29476L107 | — | 3,086 shares | $209,632 |
| LEGENCE CORP | CL A | 52476L109 | — | 2,446 shares | $208,473 |
| REMITLY GLOBAL INC | COM | 75960P104 | — | 9,280 shares | $207,965 |
| HUBSPOT INC | COM | 443573100 | — | 789 shares | $207,853 |
| CALEDONIA MNG CORP | SHS NEW | G1757E113 | — | 10,875 shares | $207,713 |
| FEDERAL RLTY INVT TR NEW | SH BEN INT NEW | 313745101 | — | 1,677 shares | $207,009 |
| CALEDONIA MNG CORP | SHS NEW | G1757E113 | — | 10,816 shares | $206,586 |
| ECHOSTAR CORP | CL A | 278768106 | — | 2,028 shares | $205,842 |
| COGENT BIOSCIENCES INC | COM | 19240Q201 | — | 5,309 shares | $205,458 |
| MONSTER BEVERAGE CORP NEW | COM | 61174X109 | — | 2,127 shares | $204,447 |
| GERDAU SA | SPON ADR REP PFD | 373737105 | — | 35,597 shares | $204,033 |
| EVERSOURCE ENERGY | COM | 30040W108 | — | 2,823 shares | $204,018 |
| GOLD COM INC | COM | 00181T107 | — | 4,902 shares | $203,972 |
| COMFORT SYS USA INC | COM | 199908104 | — | 71 shares | $203,116 |
| SBA COMMUNICATIONS CORP | CL A | 78410G104 | — | 1,151 shares | $203,105 |
| CAPRICOR THERAPEUTICS INC | COM NEW | 14070B309 | — | 8,387 shares | $201,959 |
| CENTURY ALUM CO | COM | 156431108 | — | 3,016 shares | $200,298 |
| ITAU UNIBANCO HLDG S A | SPON ADR REP PFD | 465562106 | — | 24,475 shares | $199,961 |
| FIRSTSUN CAP BANCORP | COM | 33767U107 | — | 5,122 shares | $198,631 |
| COGNIZANT TECHNOLOGY SOLUTIO | CL A | 192446102 | — | 5,113 shares | $198,026 |
| BJS WHSL CLUB HLDGS INC | COM | 05550J101 | — | 1,572 shares | $197,907 |
| COEUR MNG INC | COM NEW | 192108504 | — | 12,039 shares | $196,476 |
| DIAGEO PLC | SPON ADR NEW | 25243Q205 | — | 1,705 shares | $194,437 |
| INCYTE CORP | COM | 45337C102 | — | 1,715 shares | $194,412 |
| LUMEXA IMAGING HOLDINGS INC | COM | 550249106 | — | 17,224 shares | $194,287 |
| CAVA GROUP INC | COM | 148929102 | — | 2,811 shares | $192,957 |
| ALLIANT ENERGY CORP | COM | 018802108 | — | 1,750 shares | $192,707 |
| SYNOPSYS INC | COM | 871607107 | — | 431 shares | $192,256 |
| ATMOS ENERGY CORP | COM | 049560105 | — | 1,116 shares | $192,253 |
| NORTHPOINTE BANCSHARES INC. | COM SHS | 66661N886 | — | 10,013 shares | $192,049 |
| VENTAS INC | COM | 92276F100 | — | 2,159 shares | $191,719 |
| CURTISS WRIGHT CORP | COM | 231561101 | — | 175 shares | $191,409 |
| ZENAS BIOPHARMA INC | COM | 98937L105 | — | 7,529 shares | $191,086 |
| EQUITY LIFESTYLE PROPERTIES | COM | 29472R108 | — | 2,951 shares | $190,192 |
| TOPBUILD COR | COM | 89055F103 | — | 532 shares | $188,610 |
| JACOBS SOLUTIONS INC | COM | 46982L108 | — | 1,491 shares | $187,866 |
| HEALTHCARE RLTY TR | CL A COM | 42226K105 | — | 9,226 shares | $186,088 |
| HARMONY BIOSCIENCES HLDGS IN | COM | 413197104 | — | 5,099 shares | $185,655 |
| GOLD FIELDS LTD | SPONSORED ADR | 38059T106 | — | 3,800 shares | $184,241 |
| BIRKENSTOCK HOLDING PLC | COM SHS | M2029K104 | — | 2,946 shares | $182,977 |
| ULTRAGENYX PHARMACEUTICAL IN | COM | 90400D108 | — | 5,453 shares | $182,076 |
| SYNOPSYS INC | COM | 871607107 | — | 405 shares | $180,658 |
| WATSCO INC | COM | 942622200 | — | 433 shares | $180,444 |
| ANIKA THERAPEUTICS INC | COM | 035255108 | — | 12,143 shares | $177,652 |
| WATSCO INC | COM | 942622200 | — | 426 shares | $177,527 |
| MILLICOM INTL CELLULAR S A | COM STK | L6388F110 | — | 1,952 shares | $177,164 |
| FEDERAL RLTY INVT TR NEW | SH BEN INT NEW | 313745101 | — | 1,428 shares | $176,272 |
| CORNING INC | COM | 219350105 | — | 689 shares | $175,991 |
| ASTRAZENECA PLC | ORD | G0593M107 | — | 927 shares | $175,778 |
| ULTRA CLEAN HLDGS INC | COM | 90385V107 | — | 1,230 shares | $175,386 |
| VIAVI SOLUTIONS INC | COM | 925550105 | — | 3,671 shares | $175,290 |
| LUMEN TECHNOLOGIES INC | COM | 550241103 | — | 22,787 shares | $175,004 |
| COLUMBIA SPORTSWEAR CO | COM | 198516106 | — | 2,826 shares | $174,703 |
| GIGACLOUD TECHNOLOGY INC | CLASS A ORD | G38644103 | — | 5,525 shares | $174,590 |
| ANAPTYSBIO INC | COM | 032724106 | — | 2,576 shares | $173,880 |
| ISHARES TR | PUT | 464287954 | PUT | 186,000 shares | $172,980 |
| SCANSOURCE INC | COM | 806037107 | — | 3,318 shares | $172,835 |
| GRAB HOLDINGS LIMITED | CLASS A ORD | G4124C109 | — | 45,411 shares | $171,199 |
| ARTERIS INC | COM | 04302A104 | — | 3,513 shares | $170,697 |
| SEMTECH CORP | COM | 816850101 | — | 739 shares | $169,633 |
| DISNEY WALT CO | COM | 254687106 | — | 1,762 shares | $169,593 |
| APPLIED AEROSPACE & DEFENSE | COMMON STOCK | 03815J107 | — | 7,439 shares | $169,460 |
| NEW YORK TIMES CO MTN BE | CL A | 650111107 | — | 2,758 shares | $168,814 |
| KIMCO REALTY CORP | COM | 49446R109 | — | 6,659 shares | $168,806 |
| TOPBUILD COR | COM | 89055F103 | — | 542 shares | $168,071 |