Massachusetts Financial Services Co 13F holdings
Massachusetts Financial Services Co reported 988 positions with a total reported value of $314.7B as of 2026-06-30, in its 13F for Q2 2026, filed 2026-08-03. Top holdings by reported value: NVDA NVIDIA CORPORATION (4.3%), GOOGL ALPHABET INC (3.5%), AAPL APPLE INC (2.8%), AMZN AMAZON COM INC (2.8%), MSFT MICROSOFT CORP (2.8%). Against 2026-03-31 it opened 123 new positions and exited 65. Next 13F due by 2026-11-14, the legal deadline 45 days after the quarter ending 2026-09-30.
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Top holdings
25 largest of 988 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| NVDA NVIDIA CORPORATION | 62,506,436 | $13.7B | 4.3% |
| GOOGL ALPHABET INC | 29,896,855 | $11.0B | 3.5% |
| AAPL APPLE INC | 30,364,165 | $8.9B | 2.8% |
| AMZN AMAZON COM INC | 32,066,835 | $8.8B | 2.8% |
| MSFT MICROSOFT CORP | 20,441,967 | $8.8B | 2.8% |
| AVGO BROADCOM INC | 12,084,090 | $5.5B | 1.7% |
| TSM TAIWAN SEMICONDUCTOR MANUFAC | 9,510,209 | $4.7B | 1.5% |
| KLAC KLA CORP | 14,668,801 | $4.5B | 1.4% |
| JPM JPMORGAN CHASE & CO | 12,270,986 | $4.0B | 1.3% |
| LIN LINDE PLC | 4,922,872 | $3.3B | 1.0% |
| AMUB UBS GROUP AG | 62,927,553 | $3.2B | 1.0% |
| CI THE CIGNA GROUP | 10,443,691 | $2.9B | 0.9% |
| MA MASTERCARD INCORPORATED | 5,375,808 | $2.8B | 0.9% |
| JNJ JOHNSON & JOHNSON | 10,539,098 | $2.7B | 0.9% |
| MDT MEDTRONIC PLC | 19,872,600 | $2.6B | 0.8% |
| AON AON PLC | 7,615,397 | $2.6B | 0.8% |
| V VISA INC | 3,743,063 | $2.5B | 0.8% |
| WAT WATERS CORP | 4,625,035 | $2.5B | 0.8% |
| STX SEAGATE TECHNOLOGY HLDNGS PL | 2,560,276 | $2.5B | 0.8% |
| BDX BECTON DICKINSON & CO | 8,650,967 | $2.5B | 0.8% |
| FNV FRANCO NEV CORP | 11,045,957 | $2.4B | 0.8% |
| TMO THERMO FISHER SCIENTIFIC INC | 2,965,714 | $2.3B | 0.7% |
| WTW WILLIS TOWERS WATSON PLC LTD | 5,491,383 | $2.3B | 0.7% |
| RTX RTX CORPORATION | 11,737,526 | $2.2B | 0.7% |
| XOM EXXON MOBIL CORP | 15,993,858 | $2.2B | 0.7% |
SEC FORM 13F · Q2 2026 · VALUES AS REPORTED, NOT PRICES
New positions this quarter
Held at 2026-06-30, not at 2026-03-31 · 123 in all · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| HONA HONEYWELL AEROSPACE INC | 5,005,241 | $1.4B | 0.4% |
| SPCX SPACE EXPLORATION TECHN CORP | 7,062,255 | $1.2B | 0.4% |
| RVMD REVOLUTION MEDICINES INC | 2,012,317 | $376.8M | 0.1% |
| WILLIAMS COS INC | 4,695,435 | $354.2M | 0.1% |
| HPE HEWLETT PACKARD ENTERPRISE C | 4,678,454 | $211.0M | <0.1% |
| INIO INNIO NV | 4,958,842 | $197.8M | <0.1% |
| IDEXX LABS INC | 336,986 | $179.7M | <0.1% |
| ALBERTSONS COMPANIES INC | 12,539,191 | $171.4M | <0.1% |
| CRS CARPENTER TECHNOLOGY CORP | 258,363 | $159.3M | <0.1% |
| BXDC BLACKSTONE DIGITAL INFRASTRU | 6,818,266 | $152.7M | <0.1% |
| SRRK SCHOLAR ROCK HLDG CORP | 2,607,348 | $143.4M | <0.1% |
| NU NU HLDGS LTD | 10,256,465 | $139.0M | <0.1% |
| DOCN DIGITALOCEAN HLDGS INC | 815,400 | $128.0M | <0.1% |
| FEDEX FGHT HLDG CO INC | 771,397 | $116.5M | <0.1% |
| GENERAL MTRS CO | 1,503,570 | $115.9M | <0.1% |
| ALAB ASTERA LABS INC | 208,919 | $100.9M | <0.1% |
| SMTC SEMTECH CORP | 596,020 | $96.5M | <0.1% |
| PINS PINTEREST INC | 3,966,279 | $83.4M | <0.1% |
| CBRS CEREBRAS SYSTEMS INC | 371,665 | $82.1M | <0.1% |
| OGC OCEANAGOLD CORP | 2,449,540 | $74.0M | <0.1% |
| ARXS ARXIS INC | 1,536,450 | $72.8M | <0.1% |
| SJM SMUCKER J M CO | 612,070 | $69.9M | <0.1% |
| POWI POWER INTEGRATIONS INC | 767,672 | $64.3M | <0.1% |
| AADX APPLIED AEROSPACE & DEFENSE | 2,342,565 | $55.1M | <0.1% |
| CTAS CINTAS CORP | 313,093 | $54.5M | <0.1% |
Sold out
Held at 2026-03-31, gone by 2026-06-30 · 65 in all · reported value as of 2026-03-31
| Holding | Shares 2026-03-31 | Reported value | % of portfolio then |
|---|---|---|---|
| MASIMO CORP | 2,342,790 | $416.7M | 0.1% |
| ALBERTSONS COS INC | 11,757,178 | $202.3M | <0.1% |
| CCL CARNIVAL CORP | 5,916,649 | $153.1M | <0.1% |
| RVTY REVVITY INC | 1,065,520 | $93.4M | <0.1% |
| HII HUNTINGTON INGALLS INDS INC | 241,938 | $91.9M | <0.1% |
| GEHC GE HEALTHCARE TECHNOLOGIES I | 1,260,998 | $89.8M | <0.1% |
| GPK GRAPHIC PACKAGING HLDG CO | 7,459,614 | $74.1M | <0.1% |
| VFC V F CORP | 4,103,674 | $69.7M | <0.1% |
| ORCL ORACLE CORP | 438,254 | $64.9M | <0.1% |
| IBM INTERNATIONAL BUSINESS MACHS | 260,190 | $63.5M | <0.1% |
| SHO SUNSTONE HOTEL INVS INC NEW | 4,733,474 | $45.9M | <0.1% |
| MKC MCCORMICK & CO INC | 666,345 | $36.4M | <0.1% |
| NJR NEW JERSEY RES CORP | 655,430 | $36.0M | <0.1% |
| SUNB SUNBELT RENTALS HOLDINGS INC | 560,208 | $31.7M | <0.1% |
| DEI DOUGLAS EMMETT INC | 2,791,942 | $28.2M | <0.1% |
| TMHC TAYLOR MORRISON HOME CORP | 440,817 | $25.7M | <0.1% |
| OR OR ROYALTIES INC. | 660,101 | $25.1M | <0.1% |
| BELFA BEL FUSE INC | 123,498 | $24.5M | <0.1% |
| CC CHEMOURS CO | 947,322 | $20.9M | <0.1% |
| GENI GENIUS SPORTS LIMITED | 3,959,527 | $17.5M | <0.1% |
| REZI RESIDEO TECHNOLOGIES INC | 508,083 | $17.1M | <0.1% |
| VSNT VERSANT MEDIA GROUP INC | 419,442 | $15.8M | <0.1% |
| OGN ORGANON & CO | 1,689,210 | $10.1M | <0.1% |
| FSLR FIRST SOLAR INC | 36,105 | $7.1M | <0.1% |
| EL LAUDER ESTEE COS INC | 79,195 | $5.7M | <0.1% |
Biggest increases and decreases
Positions held at both quarter ends, by change in shares · reported value as of 2026-06-30
Increases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| KLAC KLA CORP | 1,641,635 | 14,668,801 | +793.5% | $4.5B |
| GOOGL ALPHABET INC | 23,857,592 | 29,896,855 | +25.3% | $11.0B |
| AMZN AMAZON COM INC | 25,952,500 | 32,066,835 | +23.6% | $8.8B |
| MU MICRON TECHNOLOGY INC | 61,413 | 1,356,814 | +2,109.3% | $1.6B |
| AVGO BROADCOM INC | 8,980,922 | 12,084,090 | +34.6% | $5.5B |
| AMD ADVANCED MICRO DEVICES INC | 578,779 | 2,321,366 | +301.1% | $1.4B |
| BSX BOSTON SCIENTIFIC CORP | 10,996,572 | 24,859,191 | +126.1% | $1.5B |
| TSLA TESLA INC | 186,065 | 1,476,812 | +693.7% | $631.0M |
| SNDK SANDISK CORP | 11,294 | 249,714 | +2,111.0% | $574.9M |
| ANET ARISTA NETWORKS INC | 7,227,921 | 9,725,196 | +34.6% | $1.7B |
| FIX COMFORT SYS USA INC | 228 | 220,776 | +96,731.6% | $440.0M |
| MDLN MEDLINE INC | 11,569,316 | 19,888,806 | +71.9% | $787.1M |
Decreases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| MSFT MICROSOFT CORP | 25,473,981 | 20,441,967 | -19.8% | $8.8B |
| CANADIAN NATL RY CO | 3,750,670 | 1,417,278 | -62.2% | $784.1M |
| GE AEROSPACE | 3,128,414 | 95,254 | -97.0% | $35.6M |
| HONEYWELL INTL INC | 8,707,049 | 5,068,155 | -41.8% | $1.4B |
| PGR PROGRESSIVE CORP | 12,099,655 | 7,663,770 | -36.7% | $1.7B |
| LRCX LAM RESEARCH CORP | 3,309,521 | 1,218,684 | -63.2% | $540.3M |
| ACN ACCENTURE PLC IRELAND | 9,828,861 | 3,052,712 | -68.9% | $403.9M |
| JPM JPMORGAN CHASE & CO | 14,662,099 | 12,270,986 | -16.3% | $4.0B |
| JNJ JOHNSON & JOHNSON | 13,434,302 | 10,539,098 | -21.6% | $2.7B |
| HWM HOWMET AEROSPACE INC | 7,624,700 | 4,971,798 | -34.8% | $1.4B |
| LPL FINL HLDGS INC | 3,869,359 | 1,458,759 | -62.3% | $413.8M |
| APH AMPHENOL CORP | 13,964,627 | 10,522,112 | -24.7% | $1.9B |
CIK 912938 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
More 13F data
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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