Massachusetts Financial Services Co.
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 3, 2026), Massachusetts Financial Services Co. reported 997 stock positions worth $314.7 billion. Its top holding was Nvidia (NVDA) at 4.3% of the portfolio, followed by Alphabet Class A (GOOGL, 3.3%) and Apple (AAPL, 2.8%). Compared with Q1 2026, it opened 121 new positions, sold out of 65, added to 368 and reduced 505. The biggest buy was Alphabet Class A (GOOGL, shares +23%) and the biggest sale Microsoft (MSFT, shares −20%).
- Most Recent 13F
- Q2 2026
- Location
- Boston, MA
- CIK
- 0000912938
- Portfolio Value
- $314.7B (Q2 2026)
- SEC Filing
- 0000912938-26-000775 ↗ filed Aug 3, 2026
Holdings Value
Holdings 997 stocks · $314.7B
| NVDA Nvidia Corp. | 4.34% | 62,506,436 | $13.7B | Reduce -4.2% |
| GOOGL Alphabet Inc. Class A | 3.34% | 28,694,648 | $10.5B | Add +22.6% |
| AAPL Apple Inc. | 2.84% | 30,364,165 | $8.9B | Add +0.2% |
| AMZN Amazon.com Inc. | 2.81% | 32,066,835 | $8.8B | Add +23.6% |
| MSFT Microsoft Corp. | 2.78% | 20,441,967 | $8.8B | Reduce -19.8% |
| AVGO Broadcom Inc. | 1.73% | 12,084,090 | $5.5B | Add +34.5% |
| TSM Taiwan Semiconductor-SP ADR | 1.50% | 9,510,209 | $4.7B | Reduce -1.7% |
| KLAC KLA Corp. | 1.42% | 14,668,801 | $4.5B | Reduce -10.7% |
| JPM JPMorgan Chase & Co. | 1.28% | 12,270,986 | $4.0B | Reduce -16.3% |
| LIN Linde PLC | 1.03% | 4,922,872 | $3.3B | Add +3.5% |
| UBS UBS Group AG-Reg | 1.02% | 62,927,553 | $3.2B | Reduce -4.0% |
| CI The Cigna Group | 0.92% | 10,443,691 | $2.9B | Reduce -9.9% |
| MA Mastercard Inc. Class A | 0.90% | 5,375,808 | $2.8B | Reduce -2.6% |
| JNJ Johnson & Johnson | 0.86% | 10,539,098 | $2.7B | Reduce -21.6% |
| MDT Medtronic PLC | 0.83% | 19,872,600 | $2.6B | Reduce -7.3% |
| AON Aon PLC Class A | 0.82% | 7,615,397 | $2.6B | Reduce -8.9% |
| V Visa Inc. Class A | 0.81% | 3,743,063 | $2.5B | Reduce -10.1% |
| WAT Waters Corp. | 0.80% | 4,625,035 | $2.5B | Reduce -0.1% |
| STX Seagate Technology Holdings | 0.80% | 2,560,276 | $2.5B | Add +0.9% |
| BDX Becton Dickinson and Co. | 0.79% | 8,650,967 | $2.5B | Reduce -5.0% |
| FNV Franco-Nevada Corp. | 0.75% | 11,045,957 | $2.4B | Reduce -0.4% |
| TMO Thermo Fisher Scientific Inc. | 0.72% | 2,965,714 | $2.3B | Reduce -1.6% |
| WTW Willis Towers Watson PLC | 0.72% | 5,491,383 | $2.3B | Reduce -6.4% |
| RTX RTX Corp. | 0.71% | 11,737,526 | $2.2B | Reduce -17.0% |
| XOM Exxon Mobil Corp. | 0.69% | 15,993,858 | $2.2B | Reduce -10.8% |
| ADI Analog Devices Inc. | 0.68% | 5,399,929 | $2.2B | Reduce -13.1% |
| SCHW Schwab (charles) Corp. | 0.68% | 13,356,306 | $2.1B | Reduce -8.0% |
| ETN Eaton Corp. PLC | 0.67% | 4,880,412 | $2.1B | Add +4.1% |
| META Meta Platforms Inc. Class A | 0.66% | 3,600,708 | $2.1B | Reduce -18.3% |
| CB Chubb Ltd. | 0.64% | 5,887,366 | $2.0B | Reduce -9.6% |
| APH Amphenol Corp. Class A | 0.61% | 10,522,112 | $1.9B | Reduce -24.6% |
| AEM Agnico Eagle Mines Ltd. | 0.61% | 11,922,732 | $1.9B | Add +0.5% |
| MS Morgan Stanley | 0.61% | 9,212,711 | $1.9B | Reduce -21.6% |
| CAT Caterpillar Inc. | 0.60% | 1,748,257 | $1.9B | Add +10.4% |
| COP Conocophillips | 0.60% | 17,973,897 | $1.9B | Reduce -11.3% |
| MCK McKesson Corp. | 0.59% | 2,446,386 | $1.9B | Reduce -15.7% |
| GEV GE Vernova Inc. | 0.59% | 1,551,035 | $1.8B | Reduce -4.8% |
| NDAQ Nasdaq Inc. | 0.58% | 23,259,539 | $1.8B | Reduce -20.0% |
| NXPI NXP Semiconductors NV | 0.58% | 6,458,702 | $1.8B | Reduce -14.7% |
| UNP Union Pacific Corp. | 0.55% | 6,272,629 | $1.7B | Reduce -10.8% |
| ANET Arista Networks Inc. | 0.54% | 9,725,196 | $1.7B | Add +34.5% |
| PCG P G & E Corp. | 0.54% | 101,483,416 | $1.7B | Reduce -7.2% |
| PGR Progressive Corp. | 0.53% | 7,663,770 | $1.7B | Reduce -36.7% |
| HUM Humana Inc. | 0.53% | 3,578,245 | $1.7B | Reduce -20.2% |
| DUK Duke Energy Corp. | 0.52% | 12,742,489 | $1.6B | Reduce -11.5% |
| RYAAY Ryanair Holdings PLC-SP ADR | 0.50% | 24,062,089 | $1.6B | Reduce -0.2% |
| MU Micron Technology Inc. | 0.50% | 1,356,814 | $1.6B | Add +2109.3% |
| PM Philip Morris International | 0.50% | 8,573,094 | $1.6B | Reduce -0.7% |
| PLD Prologis Inc. | 0.49% | 11,217,207 | $1.5B | Reduce -20.2% |
| AXP American Express Co. | 0.49% | 4,467,904 | $1.5B | Reduce -11.8% |
| C Citigroup Inc. | 0.49% | 10,945,923 | $1.5B | Reduce -18.0% |
| TD Toronto-Dominion Bank | 0.48% | 11,159,532 | $1.5B | Reduce -21.5% |
| BSX Boston Scientific Corp. | 0.48% | 24,859,191 | $1.5B | Add +126.1% |
| PNC PNC Financial Services Group | 0.47% | 6,019,533 | $1.5B | Reduce -20.0% |
| CRH CRH PLC | 0.47% | 13,557,749 | $1.5B | Add +0.4% |
| TRU Transunion | 0.47% | 10,667,983 | $1.5B | Reduce -18.9% |
| GD General Dynamics Corp. | 0.47% | 4,140,985 | $1.5B | Reduce -27.4% |
| BA The Boeing Co. | 0.47% | 6,890,252 | $1.5B | Reduce -21.1% |
| HON Honeywell International Inc. | 0.45% | 5,068,155 | $1.4B | Add +16.4% |
| TRV The Travelers Cos Inc. | 0.45% | 4,241,289 | $1.4B | Reduce -13.5% |
| RBA RB Global Inc. | 0.44% | 11,723,635 | $1.4B | Add +4.3% |
| TXN Texas Instruments Inc. | 0.44% | 4,646,473 | $1.4B | Reduce -12.7% |
| PFE Pfizer Inc. | 0.44% | 56,551,011 | $1.4B | Reduce -0.6% |
| MAR Marriott International Class A | 0.44% | 3,713,960 | $1.4B | Reduce -12.9% |
| HONA Honeywell Aerospace Inc. | 0.44% | 5,005,241 | $1.4B | Add +15.0% |
| A Agilent Technologies Inc. | 0.43% | 10,010,867 | $1.4B | Reduce -20.7% |
| D Dominion Energy Inc. | 0.43% | 20,030,451 | $1.4B | Reduce -24.8% |
| HWM Howmet Aerospace Inc. | 0.43% | 4,971,798 | $1.4B | Reduce -34.8% |
| AMD Advanced Micro Devices | 0.43% | 2,321,366 | $1.4B | Add +301.1% |
| SO The Southern Co. | 0.42% | 13,831,354 | $1.3B | Reduce -11.3% |
| XEL Xcel Energy Inc. | 0.42% | 16,269,553 | $1.3B | Reduce -10.0% |
| ABT Abbott Laboratories | 0.39% | 13,359,956 | $1.2B | Reduce -13.8% |
| SPCX Space Exploration Techn Class A | 0.39% | 7,062,255 | $1.2B | New |
| CHKP Check Point Software Tech | 0.37% | 8,569,897 | $1.2B | Add +7.9% |
| LOW Lowe's Cos Inc. | 0.36% | 5,224,770 | $1.1B | Reduce -13.2% |
| HLT Hilton Worldwide Holdings Inc. | 0.36% | 3,356,582 | $1.1B | Reduce -2.7% |
| ABBV Abbvie Inc. | 0.35% | 4,388,338 | $1.1B | Reduce -21.8% |
| AMAT Applied Materials Inc. | 0.35% | 1,522,200 | $1.1B | Add +28.8% |
| CDNS Cadence Design SYS Inc. | 0.35% | 2,921,983 | $1.1B | Reduce -1.8% |
| NEE Nextera Energy Inc. | 0.35% | 12,519,204 | $1.1B | Reduce -5.1% |
| WFC Wells Fargo & Co. | 0.35% | 13,262,862 | $1.1B | Reduce -12.2% |
| MRSH Marsh & McLennan Cos | 0.35% | 6,507,415 | $1.1B | Reduce -20.6% |
| VIK Viking Holdings Ltd. | 0.32% | 9,691,495 | $1.0B | Add +22.7% |
| PCAR Paccar Inc. | 0.32% | 8,486,853 | $1.0B | Reduce -17.7% |
| CVX Chevron Corp. | 0.32% | 6,072,686 | $1.0B | Reduce -14.6% |
| NTRS Northern Trust Corp. | 0.32% | 5,702,539 | $1.0B | Reduce -1.8% |
| SPOT Spotify Technology SA | 0.31% | 2,133,009 | $990.4M | Add +3.5% |
| KKR KKR & Co. Inc. | 0.31% | 10,616,489 | $977.6M | Reduce -26.0% |
| COHR Coherent Corp. | 0.29% | 2,322,386 | $920.6M | Add +28.1% |
| BLK BlackRock Inc. | 0.29% | 954,863 | $919.1M | Reduce -12.8% |
| ARMK Aramark | 0.29% | 15,576,375 | $903.1M | Reduce -11.3% |
| KMB Kimberly-Clark Corp. | 0.28% | 8,156,490 | $894.9M | Add +6.7% |
| PEP Pepsico Inc. | 0.28% | 6,463,867 | $887.4M | Reduce -11.2% |
| BAC Bank of America Corp. | 0.28% | 15,187,077 | $884.4M | Add +54.5% |
| GILD Gilead Sciences Inc. | 0.28% | 6,651,833 | $876.7M | Add +5.9% |
| KVUE Kenvue Inc. | 0.27% | 44,715,586 | $861.9M | Reduce -10.1% |
| STE Steris PLC | 0.27% | 3,801,077 | $850.4M | Reduce -5.2% |
| HUBB Hubbell Inc. | 0.26% | 1,546,097 | $833.4M | Add +0.6% |
| BAP Credicorp Ltd. | 0.26% | 2,126,364 | $832.4M | Reduce -23.7% |
| CP Canadian Pacific Kansas City | 0.26% | 4,248,626 | $820.5M | Reduce -12.2% |
Options reported separately and not counted above: WELLTOWER INC calls ($15.2M), ISHARES TR puts ($173K).
Other holdings (6): bonds, preferreds, convertibles and warrants · $10.8M (not counted above)
| Security | Class | Shares / Principal | Value | Change |
|---|---|---|---|---|
| PG&E CORP (PCG 4.25 12/01/27) | NOTE 4.250%12/0 · principal | 6,224,000 | $6.5M | Add +39.5% |
| BOEING CO/THE (BA 6 10/15/27) | DEP CONV PFD A · principal | 3,369,633 | $2.3M | Add +0.6% |
| NEXTERA ENERGY INC (NEE 7.234 11/01/27) | UNIT 11/01/2027 · principal | 1,186,600 | $603K | Add +19.3% |
| PG&E CORP (PCG 6 12/01/27 A) | PFD CONV SER A · principal | 1,107,169 | $467K | Add +33.3% |
| ALPHABET INC (GOOGL 6.25 05/15/29 A) | DEP SHS RP1/20 A · principal | 850,000 | $439K | New |
| ALPHABET INC (GOOGL 6.25 05/15/29 B) | DEP SHS RP1/20 B · principal | 850,000 | $434K | New |
Total filed on the 13F, all lines: $314.7B.
Portfolio Sells Q1 2026 → Q2 2026
| MSFT Microsoft Corp. | Reduce -19.8% | 2.78% | −0.81 |
| ACN Accenture PLC Class A | Reduce -68.9% | 0.13% | −0.72 |
| XOM Exxon Mobil Corp. | Reduce -10.8% | 0.69% | −0.33 |
| COP Conocophillips | Reduce -11.3% | 0.60% | −0.31 |
| GE General Electric | Reduce -97.0% | 0.01% | −0.29 |
| PGR Progressive Corp. | Reduce -36.7% | 0.53% | −0.28 |
| LPLA LPL Financial Holdings Inc. | Reduce -62.3% | 0.13% | −0.26 |
| MCK McKesson Corp. | Reduce -15.7% | 0.59% | −0.26 |
| JNJ Johnson & Johnson | Reduce -21.6% | 0.86% | −0.26 |
| NDAQ Nasdaq Inc. | Reduce -20.0% | 0.58% | −0.25 |
| RTX RTX Corp. | Reduce -17.0% | 0.71% | −0.21 |
| META Meta Platforms Inc. Class A | Reduce -18.3% | 0.66% | −0.21 |
| FNV Franco-Nevada Corp. | Reduce -0.4% | 0.75% | −0.20 |
| GD General Dynamics Corp. | Reduce -27.4% | 0.47% | −0.19 |
| JPM JPMorgan Chase & Co. | Reduce -16.3% | 1.28% | −0.18 |
| CVX Chevron Corp. | Reduce -14.6% | 0.32% | −0.18 |
| ADSK Autodesk Inc. | Reduce -51.6% | 0.11% | −0.18 |
| NOC Northrop Grumman Corp. | Reduce -26.2% | 0.18% | −0.17 |
| HWM Howmet Aerospace Inc. | Reduce -34.8% | 0.43% | −0.17 |
| ABT Abbott Laboratories | Reduce -13.8% | 0.39% | −0.15 |
| WTW Willis Towers Watson PLC | Reduce -6.4% | 0.72% | −0.15 |
| CBRE CBRE Group Inc. Class A | Reduce -88.7% | 0.02% | −0.15 |
| PLD Prologis Inc. | Reduce -20.2% | 0.49% | −0.14 |
| MASI Masimo Corp. | Sold out | 0.00% | −0.14 |
| KKR KKR & Co. Inc. | Reduce -26.0% | 0.31% | −0.14 |
| CRM Salesforce Inc. | Reduce -27.4% | 0.18% | −0.14 |
| MRSH Marsh & McLennan Cos | Reduce -20.6% | 0.35% | −0.13 |
| APP AppLovin Corp. Class A | Reduce -98.6% | 0.00% | −0.13 |
| CI The Cigna Group | Reduce -9.9% | 0.92% | −0.13 |
| DUK Duke Energy Corp. | Reduce -11.5% | 0.52% | −0.12 |
| D Dominion Energy Inc. | Reduce -24.8% | 0.43% | −0.12 |
| LOW Lowe's Cos Inc. | Reduce -13.2% | 0.36% | −0.11 |
| BA The Boeing Co. | Reduce -21.1% | 0.47% | −0.11 |
| SHW The Sherwin-Williams Co. | Reduce -67.3% | 0.06% | −0.11 |
| AON Aon PLC Class A | Reduce -8.9% | 0.82% | −0.11 |
| PFE Pfizer Inc. | Reduce -0.6% | 0.44% | −0.11 |
| PCG P G & E Corp. | Reduce -7.2% | 0.54% | −0.11 |
| CNI Canadian Natl Railway Co. | Reduce -62.2% | 0.25% | −0.11 |
| OTIS Otis Worldwide Corp. | Reduce -46.0% | 0.10% | −0.10 |
| PEP Pepsico Inc. | Reduce -11.2% | 0.28% | −0.10 |
| LNG Cheniere Energy Inc. | Reduce -16.0% | 0.20% | −0.10 |
| EFX Equifax Inc. | Reduce -17.7% | 0.20% | −0.09 |
| SO The Southern Co. | Reduce -11.3% | 0.42% | −0.09 |
| SCHW Schwab (charles) Corp. | Reduce -8.0% | 0.68% | −0.08 |
| CB Chubb Ltd. | Reduce -9.6% | 0.64% | −0.08 |
| PCAR Paccar Inc. | Reduce -17.7% | 0.32% | −0.08 |
| GLW Corning Inc. | Reduce -85.4% | 0.03% | −0.08 |
| GS Goldman Sachs Group Inc. | Reduce -34.2% | 0.21% | −0.08 |
| GWRE Guidewire Software Inc. | Reduce -32.3% | 0.08% | −0.07 |
| LRCX Lam Research Corp. | Reduce -63.2% | 0.17% | −0.07 |
Portfolio Buys Q1 2026 → Q2 2026
| GOOGL Alphabet Inc. Class A | Add +22.6% | 3.34% | +1.00 |
| AMZN Amazon.com Inc. | Add +23.6% | 2.81% | +0.60 |
| AVGO Broadcom Inc. | Add +34.5% | 1.73% | +0.58 |
| MU Micron Technology Inc. | Add +2109.3% | 0.50% | +0.49 |
| STX Seagate Technology Holdings | Add +0.9% | 0.80% | +0.46 |
| AMD Advanced Micro Devices | Add +301.1% | 0.43% | +0.39 |
| SPCX Space Exploration Techn Class A | New | 0.39% | +0.39 |
| BSX Boston Scientific Corp. | Add +126.1% | 0.48% | +0.23 |
| ANET Arista Networks Inc. | Add +34.5% | 0.54% | +0.23 |
| CAT Caterpillar Inc. | Add +10.4% | 0.60% | +0.22 |
| AMAT Applied Materials Inc. | Add +28.8% | 0.35% | +0.21 |
| AAPL Apple Inc. | Add +0.2% | 2.84% | +0.20 |
| SNDK Sandisk Corp. | Add +2111.0% | 0.18% | +0.18 |
| TSLA Tesla Inc. | Add +693.7% | 0.20% | +0.18 |
| COHR Coherent Corp. | Add +28.1% | 0.29% | +0.15 |
| RNR Renaissancere Holdings Ltd. | Add +30.8% | 0.17% | +0.14 |
| FIX Comfort Systems USA Inc. | Add +96731.6% | 0.14% | +0.14 |
| SNOW Snowflake Inc. | Add +61.5% | 0.22% | +0.14 |
| VIK Viking Holdings Ltd. | Add +22.7% | 0.32% | +0.13 |
| EG Everest Group Ltd. | Add +26.5% | 0.21% | +0.12 |
| ALV Autoliv Inc. | Add +9.9% | 0.15% | +0.12 |
| RVMD Revolution Medicines Inc. | New | 0.12% | +0.12 |
| BAC Bank of America Corp. | Add +54.5% | 0.28% | +0.12 |
| WMB Williams Cos Inc. | New | 0.11% | +0.11 |
| ETN Eaton Corp. PLC | Add +4.1% | 0.67% | +0.10 |
| GOOG Alphabet Inc. Class C | Add +170.6% | 0.14% | +0.09 |
| TER Teradyne Inc. | Add +236.9% | 0.11% | +0.09 |
| BKR Baker Hughes Co. | Add +224.9% | 0.13% | +0.08 |
| MTSI Macom Technology Solutions H | Add +40.8% | 0.14% | +0.08 |
| HOOD Robinhood Markets Inc. Class A | Add +219.2% | 0.10% | +0.08 |
| MDLN Medline Inc. Class A | Add +71.9% | 0.25% | +0.08 |
| RBA RB Global Inc. | Add +4.3% | 0.44% | +0.07 |
| DDOG Datadog Inc. Class A | Add +15.5% | 0.12% | +0.07 |
| HPE Hewlett Packard Enterprise | New | 0.07% | +0.07 |
| INIO Innio NV | New | 0.06% | +0.06 |
| MDB Mongodb Inc. | Add +41.7% | 0.14% | +0.06 |
| ABNB Airbnb Inc. Class A | Add +37.0% | 0.19% | +0.06 |
| JBL Jabil Inc. | Add +61.5% | 0.10% | +0.06 |
| FROG Jfrog Ltd. | Add +91.0% | 0.08% | +0.06 |
| IDXX Idexx Laboratories Inc. | New | 0.06% | +0.06 |
| ILMN Illumina Inc. | Add +70.4% | 0.10% | +0.06 |
| CRS Carpenter Technology | New | 0.05% | +0.05 |
| DTM DT Midstream Inc. | Add +171.7% | 0.07% | +0.05 |
| BXDC Blackstone Digital Infrastru | New | 0.05% | +0.05 |
| LLY Eli Lilly & Co. | Add +336.9% | 0.06% | +0.05 |
| SRRK Scholar Rock Holding Corp. | New | 0.05% | +0.05 |
| NU Nu Holdings Ltd./Cayman Isl-A | New | 0.04% | +0.04 |
| EQIX Equinix Inc. | Add +52.3% | 0.13% | +0.04 |
| DOCN Digitalocean Holdings Inc. | New | 0.04% | +0.04 |
| GM General Motors Co. | New | 0.04% | +0.04 |
Options Activity Q1 2026 → Q2 2026
| WELLTOWER INC | call | Reduce -6.4% | 1,087,800 | $15.2M |
| ISHARES TR | put | Reduce -60.9% | 186,000 | $173K |
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
Notes & Other Activity Q1 2026 → Q2 2026
| PG&E CORP (PCG 4.25 12/01/27) | NOTE 4.250%12/0 · principal | Add +39.5% | 6,224,000 | $6.5M |
| BOEING CO/THE (BA 6 10/15/27) | DEP CONV PFD A · principal | Add +0.6% | 3,369,633 | $2.3M |
| NEXTERA ENERGY INC (NEE 7.234 11/01/27) | UNIT 11/01/2027 · principal | Add +19.3% | 1,186,600 | $603K |
| PG&E CORP (PCG 6 12/01/27 A) | PFD CONV SER A · principal | Add +33.3% | 1,107,169 | $467K |
| ALPHABET INC (GOOGL 6.25 05/15/29 A) | DEP SHS RP1/20 A · principal | New | 850,000 | $439K |
| ALPHABET INC (GOOGL 6.25 05/15/29 B) | DEP SHS RP1/20 B · principal | New | 850,000 | $434K |
Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 997 | $314.7B | NVDA, GOOGL, AAPL, AMZN, MSFT |
| Q1 2026 | 940 | $297.2B | NVDA, MSFT, AAPL, GOOGL, AMZN |
| Q4 2025 | 909 | $309.6B | MSFT, NVDA, GOOGL, AAPL, AMZN |
| Q3 2025 | 851 | $322.5B | MSFT, NVDA, AAPL, AMZN, GOOGL |
| Q2 2025 | 880 | $314.8B | MSFT, NVDA, AMZN, META, AAPL |
| Q1 2025 | 876 | $300.5B | MSFT, NVDA, AMZN, AAPL, META |
| Q4 2024 | 869 | $316.4B | MSFT, NVDA, GOOGL, AMZN, AAPL |
| Q3 2024 | 844 | $334.6B | MSFT, NVDA, GOOGL, AAPL, AMZN |
| Q2 2024 | 859 | $325.2B | MSFT, NVDA, GOOGL, AMZN, AAPL |
| Q1 2024 | 837 | $334.3B | MSFT, NVDA, GOOGL, JPM, AMZN |