Massachusetts Financial Services Co.
In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 14, 2024), Massachusetts Financial Services Co. reported 837 stock positions worth $334.3 billion. Its top holding was Microsoft (MSFT) at 4.8% of the portfolio, followed by Nvidia (NVDA, 2.5%) and Alphabet Class A (GOOGL, 2.2%). Compared with Q4 2023, it opened 61 new positions, sold out of 55, added to 308 and reduced 465. The biggest buy was Boeing (BA, shares +1427%) and the biggest sale Accenture Class A (ACN, shares −16%).
- Most Recent 13F
- Q2 2026
- Location
- Boston, MA
- CIK
- 0000912938
- Portfolio Value
- $334.3B (Q1 2024)
- SEC Filing
- 0000912938-24-000284 ↗ filed May 14, 2024
Holdings Value
Holdings 837 stocks · $334.3B
| MSFT Microsoft Corp. | 4.84% | 38,423,665 | $16.2B | Add +2.7% |
| NVDA Nvidia Corp. | 2.46% | 9,100,397 | $8.2B | Reduce -1.9% |
| GOOGL Alphabet Inc. Class A | 2.22% | 49,080,253 | $7.4B | Reduce -4.0% |
| JPM JPMorgan Chase & Co. | 1.73% | 28,831,194 | $5.8B | Reduce -2.3% |
| AMZN Amazon.com Inc. | 1.70% | 31,419,039 | $5.7B | Reduce -0.5% |
| V Visa Inc. Class A | 1.66% | 19,888,938 | $5.6B | Reduce -3.5% |
| AAPL Apple Inc. | 1.51% | 29,495,896 | $5.1B | Add +0.7% |
| LIN Linde PLC | 1.49% | 10,723,390 | $5.0B | Reduce -6.8% |
| META Meta Platforms Inc. Class A | 1.35% | 9,277,894 | $4.5B | Add +0.6% |
| AON Aon PLC Class A | 1.22% | 12,242,867 | $4.1B | Reduce -1.8% |
| CI The Cigna Group | 1.21% | 11,124,983 | $4.0B | Reduce -2.1% |
| TSM Taiwan Semiconductor-SP ADR | 1.19% | 29,143,200 | $4.0B | Add +2.5% |
| CMCSA Comcast Corp. Class A | 1.13% | 87,347,411 | $3.8B | Reduce -4.9% |
| ACN Accenture PLC Class A | 1.12% | 10,781,418 | $3.7B | Reduce -16.4% |
| ETN Eaton Corp. PLC | 1.10% | 11,811,358 | $3.7B | Reduce -12.5% |
| COP Conocophillips | 1.04% | 27,282,703 | $3.5B | Reduce -1.4% |
| BSX Boston Scientific Corp. | 0.95% | 46,607,016 | $3.2B | Reduce -18.5% |
| CDNS Cadence Design SYS Inc. | 0.95% | 10,172,950 | $3.2B | Reduce -4.9% |
| UBS UBS Group AG-Reg | 0.92% | 100,560,956 | $3.1B | Reduce -1.1% |
| PGR Progressive Corp. | 0.91% | 14,679,576 | $3.0B | Reduce -1.7% |
| ADI Analog Devices Inc. | 0.88% | 14,941,232 | $3.0B | Reduce -0.8% |
| MA Mastercard Inc. Class A | 0.87% | 6,028,311 | $2.9B | Reduce -4.0% |
| HON Honeywell International Inc. | 0.86% | 13,997,338 | $2.9B | Reduce -6.9% |
| JNJ Johnson & Johnson | 0.80% | 16,948,894 | $2.7B | Add +0.3% |
| MCK McKesson Corp. | 0.79% | 4,912,088 | $2.6B | Reduce -2.2% |
| WTW Willis Towers Watson PLC | 0.76% | 9,204,146 | $2.5B | Reduce -4.8% |
| TMO Thermo Fisher Scientific Inc. | 0.75% | 4,307,145 | $2.5B | Add +3.0% |
| LLY Eli Lilly & Co. | 0.72% | 3,113,080 | $2.4B | Reduce -3.1% |
| UNP Union Pacific Corp. | 0.72% | 9,752,839 | $2.4B | Reduce -2.8% |
| CB Chubb Ltd. | 0.71% | 9,187,444 | $2.4B | Reduce -9.1% |
| MRSH Marsh & McLennan Cos | 0.69% | 11,264,852 | $2.3B | Reduce -7.0% |
| SCHW Schwab (charles) Corp. | 0.67% | 30,753,371 | $2.2B | Reduce -0.8% |
| MDT Medtronic PLC | 0.66% | 25,492,485 | $2.2B | Reduce -11.8% |
| AXP American Express Co. | 0.66% | 9,755,555 | $2.2B | Reduce -7.1% |
| PLD Prologis Inc. | 0.65% | 16,565,130 | $2.2B | Add +0.8% |
| CNI Canadian Natl Railway Co. | 0.64% | 16,214,924 | $2.1B | Reduce -2.6% |
| NXPI NXP Semiconductors NV | 0.62% | 8,412,498 | $2.1B | Reduce -4.2% |
| GD General Dynamics Corp. | 0.62% | 7,346,442 | $2.1B | Reduce -1.0% |
| A Agilent Technologies Inc. | 0.62% | 14,255,511 | $2.1B | Add +7.6% |
| VMC Vulcan Materials Co. | 0.59% | 7,277,340 | $2.0B | Reduce -4.8% |
| GS Goldman Sachs Group Inc. | 0.59% | 4,724,734 | $2.0B | Reduce -9.1% |
| LOW Lowe's Cos Inc. | 0.59% | 7,726,409 | $2.0B | Reduce -3.0% |
| KLAC KLA Corp. | 0.58% | 2,783,594 | $1.9B | Reduce -17.0% |
| PFE Pfizer Inc. | 0.58% | 69,552,447 | $1.9B | Add +1.5% |
| SO The Southern Co. | 0.56% | 26,316,313 | $1.9B | Add +3.5% |
| MS Morgan Stanley | 0.56% | 19,828,106 | $1.9B | Reduce -1.8% |
| TGT Target Corp. | 0.54% | 10,232,574 | $1.8B | Add +0.7% |
| DUK Duke Energy Corp. | 0.54% | 18,606,574 | $1.8B | Reduce -0.5% |
| ICLR Icon PLC | 0.53% | 5,313,457 | $1.8B | Reduce -4.0% |
| NOC Northrop Grumman Corp. | 0.52% | 3,647,893 | $1.7B | Reduce -8.0% |
| PXD Pioneer Natural Resources Co. | 0.51% | 6,434,636 | $1.7B | Reduce -3.4% |
| DD Dupont DE Nemours Inc. | 0.50% | 21,728,395 | $1.7B | Reduce -1.9% |
| CP Canadian Pacific Kansas City | 0.50% | 18,880,793 | $1.7B | Add +1.1% |
| PEP Pepsico Inc. | 0.49% | 9,447,438 | $1.7B | Add +12.2% |
| NOW ServiceNow Inc. | 0.49% | 2,150,892 | $1.6B | Reduce -5.7% |
| TRV The Travelers Cos Inc. | 0.49% | 7,093,673 | $1.6B | Reduce -2.4% |
| APH Amphenol Corp. Class A | 0.47% | 13,738,242 | $1.6B | Add +4.0% |
| ABBV Abbvie Inc. | 0.47% | 8,683,548 | $1.6B | Add +3.1% |
| KKR KKR & Co. Inc. | 0.47% | 15,687,262 | $1.6B | Add +53.8% |
| KVUE Kenvue Inc. | 0.47% | 72,840,920 | $1.6B | Add +9.3% |
| IT Gartner Inc. | 0.46% | 3,254,999 | $1.6B | Add +3.9% |
| HWM Howmet Aerospace Inc. | 0.46% | 22,660,219 | $1.6B | Reduce -1.9% |
| RTX RTX Corp. | 0.46% | 15,631,822 | $1.5B | Add +2.1% |
| MAR Marriott International Class A | 0.45% | 5,915,117 | $1.5B | Reduce -10.1% |
| JCI Johnson Controls Internation | 0.44% | 22,683,817 | $1.5B | Reduce -1.6% |
| PCG P G & E Corp. | 0.44% | 86,911,718 | $1.5B | Add +2.8% |
| FNV Franco-Nevada Corp. | 0.44% | 12,222,174 | $1.5B | Add +11.0% |
| BA The Boeing Co. | 0.43% | 7,512,613 | $1.4B | Add +1427.0% |
| MRK Merck & Co. Inc. | 0.43% | 10,885,435 | $1.4B | Reduce -4.7% |
| D Dominion Energy Inc. | 0.43% | 29,158,440 | $1.4B | Add +7.4% |
| TXN Texas Instruments Inc. | 0.43% | 8,197,016 | $1.4B | Reduce -7.4% |
| AME Ametek Inc. | 0.42% | 7,739,671 | $1.4B | Reduce -2.2% |
| SNPS Synopsys Inc. | 0.42% | 2,471,914 | $1.4B | Reduce -3.6% |
| C Citigroup Inc. | 0.41% | 21,435,386 | $1.4B | Reduce -1.5% |
| RYAAY Ryanair Holdings PLC-SP ADR | 0.40% | 9,269,491 | $1.3B | Reduce -4.0% |
| DIS The Walt Disney Co. filed as DISNEY WALT CO | 0.40% | 11,006,147 | $1.3B | Reduce -3.0% |
| NDAQ Nasdaq Inc. | 0.40% | 21,223,710 | $1.3B | Reduce -12.3% |
| VRSK Verisk Analytics Inc. | 0.40% | 5,638,400 | $1.3B | Reduce -17.8% |
| STE Steris PLC | 0.38% | 5,664,192 | $1.3B | Reduce -2.5% |
| ORCL Oracle Corp. | 0.38% | 10,052,898 | $1.3B | Reduce -5.1% |
| ABT Abbott Laboratories | 0.37% | 10,827,829 | $1.2B | Reduce -10.2% |
| CRM Salesforce Inc. | 0.36% | 3,984,203 | $1.2B | Add +84.1% |
| BDX Becton Dickinson and Co. | 0.36% | 4,817,884 | $1.2B | Add +19.5% |
| VRTX Vertex Pharmaceuticals Inc. | 0.35% | 2,804,188 | $1.2B | Reduce -22.7% |
| PNC PNC Financial Services Group | 0.35% | 7,219,059 | $1.2B | Reduce -1.4% |
| ASML ASML Holding NV-NY Reg SHS | 0.35% | 1,199,111 | $1.2B | Add +2.2% |
| SHW The Sherwin-Williams Co. | 0.35% | 3,346,017 | $1.2B | Reduce -22.1% |
| FISV Fiserv Inc. | 0.34% | 7,109,609 | $1.1B | Reduce -1.7% |
| LRCX Lam Research Corp. | 0.34% | 1,164,718 | $1.1B | Add +13.2% |
| CSGP Costar Group Inc. | 0.33% | 11,502,919 | $1.1B | Reduce -2.7% |
| EFX Equifax Inc. | 0.33% | 4,076,133 | $1.1B | Reduce -24.4% |
| PPG PPG Industries Inc. | 0.32% | 7,477,092 | $1.1B | Reduce -6.6% |
| MSCI MSCI Inc. | 0.32% | 1,897,679 | $1.1B | Reduce -20.8% |
| ITW Illinois Tool Works | 0.30% | 3,729,445 | $1.0B | Reduce -19.3% |
| QGEN Qiagen NV | 0.30% | 23,252,612 | $999.6M | Reduce -0.4% |
| WAT Waters Corp. | 0.30% | 2,887,799 | $994.1M | Reduce -5.5% |
| TRU Transunion | 0.30% | 12,362,167 | $986.5M | Add +75.8% |
| BLK BlackRock Finance Inc. | 0.28% | 1,113,652 | $928.5M | Reduce -2.4% |
| XEL Xcel Energy Inc. | 0.28% | 17,205,532 | $924.8M | Reduce -13.9% |
| SPOT Spotify Technology SA | 0.27% | 3,381,093 | $892.3M | Reduce -8.5% |
Options reported separately and not counted above: EEM puts ($203.7M), DLR puts ($119.6M), COF puts ($92.3M).
Portfolio Sells Q4 2023 → Q1 2024
| ACN Accenture PLC Class A | Reduce -16.4% | 1.12% | −0.35 |
| CHTR Charter Communications Inc. Class A | Sold out | 0.00% | −0.32 |
| GOOG Alphabet Inc. Class C | Reduce -55.4% | 0.18% | −0.22 |
| CMCSA Comcast Corp. Class A | Reduce -4.9% | 1.13% | −0.17 |
| HON Honeywell International Inc. | Reduce -6.9% | 0.86% | −0.16 |
| ADBE Adobe Inc. | Reduce -43.7% | 0.12% | −0.16 |
| AJG Arthur J Gallagher & Co. | Reduce -41.7% | 0.22% | −0.15 |
| VRSK Verisk Analytics Inc. | Reduce -17.8% | 0.40% | −0.13 |
| ZTS Zoetis Inc. | Reduce -55.9% | 0.07% | −0.13 |
| VRTX Vertex Pharmaceuticals Inc. | Reduce -22.7% | 0.35% | −0.13 |
| XEL Xcel Energy Inc. | Reduce -13.9% | 0.28% | −0.12 |
| LBRDK Liberty Broadband-C | Sold out | 0.00% | −0.12 |
| MSCI MSCI Inc. | Reduce -20.8% | 0.32% | −0.12 |
| ROK Rockwell Automation Inc. | Reduce -74.9% | 0.03% | −0.12 |
| BSX Boston Scientific Corp. | Reduce -18.5% | 0.95% | −0.11 |
| LULU Lululemon Athletica Inc. | Reduce -50.5% | 0.06% | −0.11 |
| EFX Equifax Inc. | Reduce -24.4% | 0.33% | −0.10 |
| MDT Medtronic PLC | Reduce -11.8% | 0.66% | −0.10 |
| ADM Archer-Daniels-Midland Co. | Reduce -90.8% | 0.01% | −0.10 |
| GOOGL Alphabet Inc. Class A | Reduce -4.0% | 2.22% | −0.09 |
| ITW Illinois Tool Works | Reduce -19.3% | 0.30% | −0.09 |
| UBS UBS Group AG-Reg | Reduce -1.1% | 0.92% | −0.09 |
| SHW The Sherwin-Williams Co. | Reduce -22.1% | 0.35% | −0.09 |
| ADI Analog Devices Inc. | Reduce -0.8% | 0.88% | −0.08 |
| ANSS Ansys Inc. | Reduce -59.6% | 0.05% | −0.08 |
| UNP Union Pacific Corp. | Reduce -2.8% | 0.72% | −0.08 |
| NOC Northrop Grumman Corp. | Reduce -8.0% | 0.52% | −0.08 |
| V Visa Inc. Class A | Reduce -3.5% | 1.66% | −0.07 |
| MMM 3M Co. | Sold out | 0.00% | −0.06 |
| HES Hess Corp. | Reduce -33.5% | 0.12% | −0.06 |
| PPG PPG Industries Inc. | Reduce -6.6% | 0.32% | −0.06 |
| ABT Abbott Laboratories | Reduce -10.2% | 0.37% | −0.06 |
| TXN Texas Instruments Inc. | Reduce -7.4% | 0.43% | −0.06 |
| APD Air Products & Chemicals Inc. | Reduce -26.8% | 0.09% | −0.06 |
| GS Goldman Sachs Group Inc. | Reduce -9.1% | 0.59% | −0.06 |
| STX Seagate Technology Holdings | Sold out | 0.00% | −0.06 |
| NDAQ Nasdaq Inc. | Reduce -12.3% | 0.40% | −0.05 |
| RYN Rayonier Inc. | Reduce -56.2% | 0.04% | −0.05 |
| DD Dupont DE Nemours Inc. | Reduce -1.9% | 0.50% | −0.05 |
| IR Ingersoll-Rand Inc. | Reduce -32.7% | 0.16% | −0.05 |
| MS Morgan Stanley | Reduce -1.8% | 0.56% | −0.05 |
| KLAC KLA Corp. | Reduce -17.0% | 0.58% | −0.05 |
| DUK Duke Energy Corp. | Reduce -0.5% | 0.54% | −0.05 |
| MRSH Marsh & McLennan Cos | Reduce -7.0% | 0.69% | −0.05 |
| UNH Unitedhealth Group Inc. | Reduce -89.7% | 0.00% | −0.04 |
| AVGO Broadcom Inc. | Reduce -50.9% | 0.05% | −0.04 |
| PBR.A Petroleo Brasil-SP Pref ADR | Reduce -30.8% | 0.07% | −0.04 |
| TTWO Take-Two Interactive Softwre | Reduce -3.0% | 0.20% | −0.04 |
| QGEN Qiagen NV | Reduce -0.4% | 0.30% | −0.04 |
| LIN Linde PLC | Reduce -6.8% | 1.49% | −0.04 |
Portfolio Buys Q4 2023 → Q1 2024
| BA The Boeing Co. | Add +1427.0% | 0.43% | +0.39 |
| META Meta Platforms Inc. Class A | Add +0.6% | 1.35% | +0.29 |
| MSFT Microsoft Corp. | Add +2.7% | 4.84% | +0.29 |
| FLUT Flutter Entertainment PLC-Di | New | 0.25% | +0.25 |
| TSM Taiwan Semiconductor-SP ADR | Add +2.5% | 1.19% | +0.23 |
| KKR KKR & Co. Inc. | Add +53.8% | 0.47% | +0.20 |
| CRM Salesforce Inc. | Add +84.1% | 0.36% | +0.17 |
| MDLZ Mondelez International Inc. Class A | Add +247.3% | 0.25% | +0.17 |
| TRU Transunion | Add +75.8% | 0.30% | +0.14 |
| ARES Ares Management Corp. Class A | New | 0.13% | +0.13 |
| DHR Danaher Corp. | Add +141.0% | 0.19% | +0.11 |
| ELV Elevance Health Inc. | Add +55.3% | 0.24% | +0.09 |
| LRCX Lam Research Corp. | Add +13.2% | 0.34% | +0.08 |
| TGT Target Corp. | Add +0.7% | 0.54% | +0.07 |
| REGN Regeneron Pharmaceuticals | Add +98.3% | 0.14% | +0.07 |
| ASML ASML Holding NV-NY Reg SHS | Add +2.2% | 0.35% | +0.06 |
| FIS Fidelity National Info Serv | Add +35.9% | 0.16% | +0.06 |
| NTRA Natera Inc. | Add +409.9% | 0.06% | +0.05 |
| ABBV Abbvie Inc. | Add +3.1% | 0.47% | +0.05 |
| APH Amphenol Corp. Class A | Add +4.0% | 0.47% | +0.05 |
| GWRE Guidewire Software Inc. | Add +130.9% | 0.08% | +0.04 |
| TPG TPG Inc. | Add +114.6% | 0.08% | +0.04 |
| CRBG Corebridge Financial Inc. | Add +64.9% | 0.09% | +0.04 |
| MTD Mettler-Toledo International | New | 0.04% | +0.04 |
| FNV Franco-Nevada Corp. | Add +11.0% | 0.44% | +0.04 |
| NICE Nice Ltd. - Spon ADR | Add +88.7% | 0.07% | +0.04 |
| RTX RTX Corp. | Add +2.1% | 0.46% | +0.04 |
| BDX Becton Dickinson and Co. | Add +19.5% | 0.36% | +0.04 |
| CVX Chevron Corp. | Add +19.3% | 0.26% | +0.04 |
| VEEV Veeva Systems Inc. Class A | Add +14.2% | 0.17% | +0.04 |
| BRKR Bruker Corp. | Add +0.1% | 0.23% | +0.04 |
| SWKS Skyworks Solutions Inc. | New | 0.03% | +0.03 |
| TECH Bio-Techne Corp. | Add +218.8% | 0.05% | +0.03 |
| PEP Pepsico Inc. | Add +12.2% | 0.49% | +0.03 |
| CMG Chipotle Mexican Grill Inc. | Add +8.3% | 0.15% | +0.03 |
| TMO Thermo Fisher Scientific Inc. | Add +3.0% | 0.75% | +0.03 |
| MAS Masco Corp. | Add +6.4% | 0.23% | +0.03 |
| WING Wingstop Inc. | Add +44.3% | 0.06% | +0.03 |
| CELH Celsius Holdings Inc. | New | 0.03% | +0.03 |
| PNR Pentair PLC | New | 0.03% | +0.03 |
| CNH CNH Industrial NV | New | 0.03% | +0.03 |
| DDOG Datadog Inc. Class A | Add +32.2% | 0.13% | +0.03 |
| PTC PTC Inc. | Add +20300.9% | 0.03% | +0.03 |
| SAIA Saia Inc. | Add +185.4% | 0.04% | +0.03 |
| A Agilent Technologies Inc. | Add +7.6% | 0.62% | +0.03 |
| BKNG Booking Holdings Inc. | Add +31.6% | 0.13% | +0.03 |
| HUBB Hubbell Inc. | Add +1.6% | 0.16% | +0.03 |
| MAA Mid-America Apartment Comm | Add +54.3% | 0.09% | +0.03 |
| HUM Humana Inc. | Add +912.7% | 0.03% | +0.02 |
| ALLE Allegion PLC | Add +62.5% | 0.06% | +0.02 |
Options Activity Q4 2023 → Q1 2024
| EEM iShares MSCI Emerging Market | put | Add +57.3% | 4,958,900 | $203.7M |
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings 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 |