← Back to Discover
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) |
|---|---|---|---|---|---|
| NORDSON CORP | COM | 655663102 | — | 1,440 shares | $380,474 |
| CARTER BANKSHARES INC | COM NEW | 146103106 | — | 11,177 shares | $380,130 |
| LINCOLN ELEC HLDGS INC | COM | 533900106 | — | 1,429 shares | $379,414 |
| DIVERSIFIED HEALTHCARE TR | COM SH BEN INT | 25525P107 | — | 40,709 shares | $378,594 |
| OUTFRONT MEDIA INC | COM NEW | 69007J304 | — | 11,543 shares | $378,149 |
| US FOODS HLDG CORP | COM | 912008109 | — | 2,531 shares | $373,549 |
| MSCI INC | COM | 55354G100 | — | 665 shares | $372,427 |
| BIOAGE LABS INC | COM | 09077V100 | — | 15,154 shares | $371,425 |
| MATADOR RES CO | COM | 576485205 | — | 5,161 shares | $370,835 |
| HOST HOTELS & RESORTS INC | COM | 44107P104 | — | 15,639 shares | $370,801 |
| AMN HEALTHCARE SVCS INC | COM | 001744101 | — | 11,448 shares | $370,572 |
| SANMINA CORP | COM | 801056102 | — | 1,464 shares | $370,509 |
| CERENCE INC | COM | 156727109 | — | 32,711 shares | $370,289 |
| WIPRO LTD | SPON ADR 1 SH | 97651M109 | — | 187,467 shares | $368,933 |
| OVINTIV INC | COM | 69047Q102 | — | 4,914 shares | $366,933 |
| ZOETIS INC | CL A | 98978V103 | — | 5,041 shares | $362,246 |
| PJT PARTNERS INC | COM CL A | 69343T107 | — | 2,398 shares | $361,954 |
| TD SYNNEX CORPORATION | COM | 87162W100 | — | 1,521 shares | $361,288 |
| POWER INTEGRATIONS INC | COM | 739276103 | — | 4,924 shares | $360,740 |
| KADANT INC | COM | 48282T104 | — | 795 shares | $360,584 |
| ALCOA CORP | COM | 013872106 | — | 6,911 shares | $360,340 |
| WASTE CONNECTIONS INC | COM | 94106B101 | — | 2,147 shares | $357,883 |
| TENARIS S A | SPONSORED ADS | 88031M109 | — | 6,444 shares | $357,578 |
| VANGUARD INDEX FDS | GROWTH ETF | 922908736 | — | 4,132 shares | $355,893 |
| STERLING INFRASTRUCTURE INC | COM | 859241101 | — | 424 shares | $355,889 |
| ICHOR HOLDINGS | SHS | G4740B105 | — | 3,159 shares | $354,693 |
| TENCENT MUSIC ENTMT GROUP | SPON ADS | 88034P109 | — | 42,477 shares | $354,683 |
| QXO INC | COM NEW | 82846H405 | — | 14,220 shares | $354,679 |
| CHUBB LIMITED | COM | H1467J104 | — | 720 shares | $354,118 |
| SAIA INC | COM | 78709Y105 | — | 840 shares | $353,774 |
| PUBLIC SVC ENTERPRISE GROUP | COM | 744573106 | — | 4,335 shares | $351,829 |
| COUPANG INC | CL A | 22266T109 | — | 20,254 shares | $351,812 |
| BENCHMARK ELECTRS INC | COM | 08160H101 | — | 2,470 shares | $351,782 |
| ERO COPPER CORP | COM | 296006109 | — | 9,130 shares | $351,765 |
| BRISTOL-MYERS SQUIBB CO | COM | 110122108 | — | 6,085 shares | $350,618 |
| MARRIOTT INTL INC NEW | CL A | 571903202 | — | 729 shares | $349,439 |
| GREENWICH LIFESCIENCES INC | COM | 396879108 | — | 14,891 shares | $349,343 |
| ALIGN TECHNOLOGY INC | COM | 016255101 | — | 2,068 shares | $348,789 |
| MSA SAFETY INC | COM | 553498106 | — | 1,979 shares | $345,494 |
| NETFLIX INC. | COM | 64110L106 | — | 4,816 shares | $343,862 |
| MID-AMER APT CMNTYS INC | COM | 59522J103 | — | 1,705 shares | $341,935 |
| MARTIN MARIETTA MATLS INC | COM | 573284106 | — | 592 shares | $341,406 |
| BAKER HUGHES COMPANY | CL A | 05722G100 | — | 6,146 shares | $341,103 |
| SCHOLAR ROCK HLDG CORP | COM | 80706P103 | — | 4,366 shares | $340,564 |
| UNITED CMNTY BKS BLAIRSVLE G | COM | 90984P303 | — | 9,694 shares | $340,162 |
| ZOETIS INC | CL A | 98978V103 | — | 4,713 shares | $338,676 |
| MSA SAFETY INC | COM | 553498106 | — | 1,938 shares | $338,336 |
| PETROLEO BRASILEIRO S A | SP ADR NON VTG | 71654V101 | — | 23,109 shares | $338,316 |
| AGNICO EAGLE MINES LTD | COM | 008474108 | — | 1,345 shares | $337,247 |
| LINCOLN ELEC HLDGS INC | COM | 533900106 | — | 1,451 shares | $336,968 |
| TD SYNNEX CORPORATION | COM | 87162W100 | — | 1,260 shares | $336,848 |
| ZURN ELKAY WATER SOLNS CORP | COM | 98983L108 | — | 4,613 shares | $336,453 |
| VISHAY INTERTECHNOLOGY INC | COM | 928298108 | — | 6,256 shares | $336,448 |
| MARTIN MARIETTA MATLS INC | COM | 573284106 | — | 583 shares | $336,216 |
| QIAGEN NV | ORD SHARES | N72482156 | — | 6,063 shares | $336,215 |
| FORD MTR CO | COM | 345370860 | — | 23,871 shares | $331,807 |
| ERO COPPER CORP | COM | 296006109 | — | 12,412 shares | $331,424 |
| APPLIED INDL TECHNOLOGIES IN | COM | 03820C105 | — | 679 shares | $331,414 |
| NOBLE CORP PLC | ORD SHS A | G65431127 | — | 8,881 shares | $331,261 |
| ANTERO RESOURCES CORP | COM | 03674X106 | — | 6,632 shares | $330,521 |
| BXP INC | COM | 101121101 | — | 4,946 shares | $327,969 |
| KARMAN HLDGS INC | COMMON STOCK | 485924104 | — | 6,538 shares | $326,377 |
| MORGAN STANLEY | COM NEW | 617446448 | — | 1,081 shares | $326,172 |
| GARRETT MOTION INC | COM | 366505105 | — | 8,940 shares | $323,896 |
| C H ROBINSON WORLDWIDE IN | COM NEW | 12541W209 | — | 1,706 shares | $321,308 |
| OTIS WORLDWIDE CORP | COM | 68902V107 | — | 4,485 shares | $321,126 |
| ARCTURUS THERAPEUTICS HLDGS | COM | 03969T109 | — | 47,733 shares | $320,766 |
| VEEVA SYS INC | CL A COM | 922475108 | — | 1,804 shares | $320,156 |
| PHILIP MORRIS INTL INC | COM | 718172109 | — | 1,219 shares | $318,316 |
| POWER SOLUTIONS INTL INC | COM NEW | 73933G202 | — | 8,110 shares | $315,398 |
| TECHNIPFMC PLC | COM | G87110105 | — | 4,744 shares | $314,527 |
| VICOR CORP | COM | 925815102 | — | 827 shares | $314,078 |
| BLOOM ENERGY CORP | COM CL A | 093712107 | — | 1,036 shares | $313,597 |
| COLUMBIA BKG SYS INC | COM | 197236102 | — | 6,772 shares | $313,283 |
| FLOOR & DECOR HLDGS INC | CL A | 339750101 | — | 5,271 shares | $312,887 |
| IONIS PHARMACEUTICALS INC | COM | 462222100 | — | 3,932 shares | $311,768 |
| JFROG LTD | ORD SHS | M6191J100 | — | 2,401 shares | $309,466 |
| EQUIFAX INC | COM | 294429105 | — | 1,498 shares | $307,534 |
| ERO COPPER CORP | COM | 296006109 | — | 11,505 shares | $307,206 |
| BLOOM ENERGY CORP | COM CL A | 093712107 | — | 1,155 shares | $307,126 |
| ROYAL CARIBBEAN GROUP | COM | V7780T103 | — | 680 shares | $306,229 |
| CACI INTL INC | CL A | 127190304 | — | 659 shares | $305,288 |
| NOBLE CORP PLC | ORD SHS A | G65431127 | — | 9,316 shares | $303,933 |
| ARXIS INC | CL A COM | 04339D105 | — | 4,540 shares | $302,361 |
| INTEL CORP | COM | 458140100 | — | 2,160 shares | $301,601 |
| TD SYNNEX CORPORATION | COM | 87162W100 | — | 781 shares | $301,375 |
| ALAMOS GOLD INC | COM CL A | 011532108 | — | 11,170 shares | $301,194 |
| BARRICK MNG CORP | COM SHS | 06849F108 | — | 5,664 shares | $300,287 |
| PRESTIGE CONSMR HEALTHCARE I | COM | 74112D101 | — | 6,337 shares | $299,550 |
| S&P GLOBAL INC | COM | 78409V104 | — | 732 shares | $298,114 |
| ACI WORLDWIDE INC | COM | 004498101 | — | 5,914 shares | $297,415 |
| UBER TECHNOLOGIES INC | COM | 90353T100 | — | 2,844 shares | $296,223 |
| DESCARTES SYS GROUP INC | COM | 249906108 | — | 4,275 shares | $295,988 |
| IRHYTHM HOLDINGS INC | COM | 450056106 | — | 2,488 shares | $295,948 |
| WEC ENERGY GROUP INC | COM | 92939U106 | — | 2,526 shares | $294,961 |
| STOKE THERAPEUTICS INC | COM | 86150R107 | — | 8,998 shares | $294,415 |
| SSR MINING IN | COM | 784730103 | — | 7,149 shares | $291,821 |
| S&P GLOBAL INC | COM | 78409V104 | — | 715 shares | $291,191 |
| TANGO THERAPEUTICS INC | COM | 87583X109 | — | 9,255 shares | $289,311 |
| INSIGHT ENTERPRISES INC | COM | 45765U103 | — | 2,361 shares | $287,570 |