Factory Mutual Insurance Co.
In its 13F for Q3 2024 (holdings as of September 30, 2024, filed October 10, 2024), Factory Mutual Insurance Co. reported 173 stock positions worth $9.7 billion. Its top holding was iShares Core U.S. Aggregate (AGG) at 7.1% of the portfolio, followed by iShares Core Intl Stock ETF (IXUS, 6.0%) and Microsoft (MSFT, 5.0%). Compared with Q2 2024, it opened 5 new positions, sold out of 2, added to 39 and reduced 59. The biggest buy was a new position in iShares Russell 2000 ETF (IWM) and the biggest sale SS Technology Select Sector (XLK, shares −32%).
- Most Recent 13F
- Q2 2026
- Location
- WALTHAM, MA
- CIK
- 0000887818
- Portfolio Value
- $9.7B (Q3 2024)
- SEC Filing
- 0001085146-24-004830 ↗ filed Oct 10, 2024
Holdings Value
Holdings 173 stocks · $9.7B
| AGG iShares Core U.S. Aggregate | 7.07% | 6,750,876 | $683.7M | Add +12.1% |
| IXUS iShares Core Intl Stock ETF | 6.01% | 7,998,470 | $580.9M | Add +21.6% |
| MSFT Microsoft Corp. | 4.96% | 1,114,968 | $479.8M | Add +0.9% |
| AAPL Apple Inc. | 4.66% | 1,934,521 | $450.7M | Reduce -0.2% |
| NVDA Nvidia Corp. | 3.90% | 3,106,048 | $377.2M | Add +2.8% |
| GOOG Alphabet Inc. Class C | 2.90% | 1,679,121 | $280.7M | Reduce -3.1% |
| AMZN Amazon.com Inc. | 2.87% | 1,488,024 | $277.3M | Add +4.4% |
| XLK SS Technology Select Sector | 2.17% | 930,700 | $210.1M | Reduce -32.5% |
| META Meta Platforms Inc. Class A | 2.07% | 350,041 | $200.4M | Add +2.6% |
| XLU St Sr Utl SL SE SPDR ETF-Usd | 1.89% | 2,257,300 | $182.3M | Add +4.9% |
| AVGO Broadcom Inc. | 1.85% | 1,037,145 | $178.9M | Add +8.6% |
| XLI SS Industrial Select Sector | 1.55% | 1,108,500 | $150.1M | Add +27.6% |
| UNH Unitedhealth Group Inc. | 1.35% | 222,500 | $130.1M | Reduce -5.1% |
| IWM iShares Russell 2000 ETF | 1.31% | 571,550 | $126.2M | New |
| JPM JPMorgan Chase & Co. | 1.29% | 592,425 | $124.9M | Add +3.5% |
| BRK.B Berkshire Hathaway Inc. Class B | 1.21% | 254,500 | $117.1M | Reduce -0.6% |
| IEMG iShares Core MSCI Emerging | 1.16% | 1,950,000 | $111.9M | No change |
| XLB SS Materials Select Sector | 1.12% | 1,124,300 | $108.4M | Add +24.6% |
| V Visa Inc. Class A | 1.06% | 373,351 | $102.7M | Reduce -1.0% |
| IWR iShares Russell Mid-Cap ETF | 0.89% | 978,700 | $86.3M | Add +40.1% |
| LLY Eli Lilly & Co. | 0.89% | 96,600 | $85.6M | Reduce -6.9% |
| DFAE Dimensional Emerging Core Eq | 0.88% | 3,086,900 | $84.6M | Add +127.5% |
| JNJ Johnson & Johnson | 0.83% | 494,560 | $80.1M | Reduce -1.2% |
| XOM Exxon Mobil Corp. | 0.83% | 683,654 | $80.1M | Reduce -1.1% |
| WMT Walmart Inc. | 0.74% | 883,576 | $71.3M | Reduce -0.8% |
| EEM iShares MSCI Emerging Market | 0.73% | 1,546,400 | $70.9M | No change |
| ETN Eaton Corp. PLC | 0.73% | 212,119 | $70.3M | Reduce -9.9% |
| NOW ServiceNow Inc. | 0.72% | 77,900 | $69.7M | Reduce -1.3% |
| DFCF Dimensional Core Fixed Inc. | 0.72% | 1,611,770 | $69.6M | New |
| PG The Procter & Gamble Co. | 0.71% | 397,537 | $68.9M | Reduce -1.6% |
| MS Morgan Stanley | 0.71% | 655,250 | $68.3M | Reduce -8.4% |
| ACWX iShares MSCI Acwi Ex US ETF | 0.69% | 1,160,700 | $66.4M | No change |
| TMUS T-Mobile US Inc. | 0.68% | 316,607 | $65.3M | Reduce -1.3% |
| MRK Merck & Co. Inc. | 0.66% | 558,980 | $63.5M | Reduce -6.7% |
| KO The Coca-Cola Co. | 0.65% | 877,400 | $63.0M | Reduce -9.6% |
| GLD SPDR Gold Shares | 0.63% | 252,100 | $61.3M | No change |
| TSLA Tesla Inc. | 0.63% | 231,200 | $60.5M | Reduce -1.6% |
| PM Philip Morris International | 0.61% | 484,006 | $58.8M | Reduce -8.8% |
| MDLZ Mondelez International Inc. Class A | 0.60% | 789,500 | $58.2M | Reduce -5.7% |
| DHR Danaher Corp. | 0.59% | 206,400 | $57.4M | Add +39.2% |
| XLY SS Consumer Disc Select Sect | 0.59% | 284,000 | $56.9M | No change |
| TMO Thermo Fisher Scientific Inc. | 0.58% | 90,735 | $56.1M | Reduce -28.6% |
| VGK Vanguard Ftse Europe ETF | 0.58% | 789,005 | $56.1M | No change |
| LCTD iShares World Ex U.S. Carbon | 0.58% | 1,147,970 | $55.8M | Reduce -44.1% |
| ABBV Abbvie Inc. | 0.56% | 276,300 | $54.6M | No change |
| KLAC KLA Corp. | 0.55% | 69,052 | $53.5M | Add +11.7% |
| DFAX Dimensional World Ex US Core | 0.54% | 1,937,480 | $52.3M | New |
| VZ Verizon Communications Inc. | 0.54% | 1,159,366 | $52.1M | Reduce -0.9% |
| NFLX Netflix Inc. | 0.53% | 72,448 | $51.4M | No change |
| ASML ASML Holding NV-NY Reg SHS | 0.52% | 59,921 | $49.9M | Add +11.7% |
| HON Honeywell International Inc. | 0.49% | 231,400 | $47.8M | Reduce -11.3% |
| HES Hess Corp. | 0.48% | 342,700 | $46.5M | Add +29.2% |
| UNP Union Pacific Corp. | 0.48% | 187,850 | $46.3M | Reduce -1.3% |
| CMCSA Comcast Corp. Class A | 0.45% | 1,046,200 | $43.7M | Reduce -1.1% |
| ALGN Align Technology Inc. | 0.44% | 168,293 | $42.8M | Add +19.9% |
| BJ Bj's Wholesale Club Holdings filed as BJS WHSL CLUB HLDGS INC | 0.44% | 512,837 | $42.3M | Add +27.0% |
| AMT American Tower Corp. | 0.44% | 181,500 | $42.2M | Add +11.1% |
| MCD McDonald's Corp. | 0.43% | 136,200 | $41.5M | Reduce -1.7% |
| CDNS Cadence Design SYS Inc. | 0.41% | 147,771 | $40.1M | Add +414.9% |
| LCTU iShares U.S. Carbon Transiti | 0.41% | 637,908 | $40.0M | Reduce -39.5% |
| QQQ Invesco QQQ Trust Series 1 | 0.40% | 80,154 | $39.1M | No change |
| CTVA Corteva Inc. | 0.40% | 663,058 | $39.0M | Add +8.8% |
| SPY SS SPDR S&P 500 ETF Trust-US | 0.40% | 67,656 | $38.8M | Reduce -60.6% |
| XLE SS Energy Select Sector | 0.40% | 438,360 | $38.5M | No change |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 0.39% | 324,600 | $38.2M | Reduce -12.0% |
| HD Home Depot Inc. | 0.39% | 93,400 | $37.8M | No change |
| FISV Fiserv Inc. | 0.39% | 208,500 | $37.5M | Reduce -1.6% |
| LOW Lowe's Cos Inc. | 0.38% | 135,400 | $36.7M | Reduce -2.0% |
| LIN Linde PLC | 0.38% | 76,300 | $36.4M | Reduce -1.7% |
| ADBE Adobe Inc. | 0.36% | 67,550 | $35.0M | No change |
| KIE SS SPDR S&P Insurance ETF | 0.36% | 615,100 | $34.9M | No change |
| CB Chubb Ltd. | 0.36% | 120,200 | $34.7M | Reduce -1.3% |
| NOC Northrop Grumman Corp. | 0.36% | 65,200 | $34.4M | Reduce -1.4% |
| WFC Wells Fargo & Co. | 0.35% | 605,564 | $34.2M | Reduce -0.9% |
| GE General Electric filed as GE AEROSPACE | 0.35% | 181,067 | $34.1M | No change |
| ACWI iShares MSCI Acwi ETF | 0.34% | 275,000 | $32.9M | No change |
| MDT Medtronic PLC | 0.34% | 362,740 | $32.7M | Reduce -1.5% |
| SBUX Starbucks Corp. | 0.33% | 323,100 | $31.5M | No change |
| BAC Bank of America Corp. filed as BANK AMERICA CORP | 0.32% | 791,080 | $31.4M | No change |
| AMGN Amgen Inc. | 0.32% | 95,800 | $30.9M | Reduce -1.6% |
| USFD US Foods Holding Corp. | 0.31% | 486,600 | $29.9M | Reduce -1.2% |
| NKE Nike Inc. Class B | 0.31% | 335,400 | $29.6M | Add +22.6% |
| XLRE SS Real Estate Select Sector | 0.30% | 659,000 | $29.4M | No change |
| AXP American Express Co. | 0.30% | 108,500 | $29.4M | Reduce -1.6% |
| AME Ametek Inc. | 0.30% | 171,300 | $29.4M | No change |
| TXN Texas Instruments Inc. | 0.30% | 139,000 | $28.7M | Add +15.3% |
| VLTO Veralto Corp. | 0.29% | 252,166 | $28.2M | Reduce -1.3% |
| EWY iShares MSCI South Korea ETF | 0.29% | 437,000 | $28.0M | No change |
| XLP SS Consumer Staples Sel Sect | 0.29% | 336,700 | $27.9M | No change |
| LVS Las Vegas Sands Corp. | 0.29% | 554,600 | $27.9M | Add +31.7% |
| BKNG Booking Holdings Inc. | 0.28% | 6,530 | $27.5M | No change |
| VPL Vanguard Ftse Pacific ETF | 0.28% | 350,000 | $27.4M | No change |
| KKR KKR & Co. Inc. | 0.28% | 210,000 | $27.4M | Add +23.5% |
| SPG Simon Property Group Inc. | 0.28% | 160,592 | $27.1M | No change |
| DXCM Dexcom Inc. | 0.28% | 404,230 | $27.1M | Add +136.1% |
| RTX RTX Corp. | 0.28% | 221,815 | $26.9M | No change |
| LEN Lennar Corp. Class A | 0.27% | 139,500 | $26.2M | No change |
| ECL Ecolab Inc. | 0.27% | 101,400 | $25.9M | Reduce -1.7% |
| COST Costco Wholesale Corp. | 0.27% | 29,200 | $25.9M | Reduce -1.7% |
| PNC PNC Financial Services Group | 0.26% | 137,800 | $25.5M | No change |
Portfolio Sells Q2 2024 → Q3 2024
| XLK SS Technology Select Sector | Reduce -32.5% | 2.17% | −1.38 |
| GOOG Alphabet Inc. Class C | Reduce -3.1% | 2.90% | −0.72 |
| SPY SS SPDR S&P 500 ETF Trust-US | Reduce -60.6% | 0.40% | −0.66 |
| LCTD iShares World Ex U.S. Carbon | Reduce -44.1% | 0.58% | −0.47 |
| EW Edwards Lifesciences Corp. | Reduce -83.6% | 0.05% | −0.43 |
| LCTU iShares U.S. Carbon Transiti | Reduce -39.5% | 0.41% | −0.30 |
| TMO Thermo Fisher Scientific Inc. | Reduce -28.6% | 0.58% | −0.22 |
| DIS The Walt Disney Co. | Reduce -56.5% | 0.13% | −0.21 |
| MRK Merck & Co. Inc. | Reduce -6.7% | 0.66% | −0.19 |
| LLY Eli Lilly & Co. | Reduce -6.9% | 0.89% | −0.19 |
| CVX Chevron Corp. | Reduce -35.2% | 0.22% | −0.18 |
| HON Honeywell International Inc. | Reduce -11.3% | 0.49% | −0.14 |
| ETN Eaton Corp. PLC | Reduce -9.9% | 0.73% | −0.11 |
| INTC Intel Corp. | Sold out | 0.00% | −0.11 |
| H Hyatt Hotels Corp. Class A | Reduce -21.0% | 0.24% | −0.09 |
| MS Morgan Stanley | Reduce -8.4% | 0.71% | −0.09 |
| XOM Exxon Mobil Corp. | Reduce -1.1% | 0.83% | −0.08 |
| TJX TJX Companies Inc. | Reduce -12.0% | 0.39% | −0.07 |
| V Visa Inc. Class A | Reduce -1.0% | 1.06% | −0.07 |
| BSX Boston Scientific Corp. | Reduce -31.2% | 0.14% | −0.06 |
| LW Lamb Weston Holdings Inc. | Sold out | 0.00% | −0.06 |
| WFC Wells Fargo & Co. | Reduce -0.9% | 0.35% | −0.06 |
| ISRG Intuitive Surgical Inc. | Reduce -36.5% | 0.10% | −0.06 |
| KO The Coca-Cola Co. | Reduce -9.6% | 0.65% | −0.05 |
| PEP Pepsico Inc. | Reduce -12.9% | 0.22% | −0.05 |
| PG The Procter & Gamble Co. | Reduce -1.6% | 0.71% | −0.05 |
| CRBG Corebridge Financial Inc. | Reduce -1.7% | 0.24% | −0.03 |
| AMGN Amgen Inc. | Reduce -1.6% | 0.32% | −0.03 |
| MDLZ Mondelez International Inc. Class A | Reduce -5.7% | 0.60% | −0.02 |
| CMCSA Comcast Corp. Class A | Reduce -1.1% | 0.45% | −0.02 |
| COST Costco Wholesale Corp. | Reduce -1.7% | 0.27% | −0.02 |
| ILMN Illumina Inc. | Reduce -21.3% | 0.15% | −0.02 |
| UNH Unitedhealth Group Inc. | Reduce -5.1% | 1.35% | −0.01 |
| ECL Ecolab Inc. | Reduce -1.7% | 0.27% | −0.01 |
| LIN Linde PLC | Reduce -1.7% | 0.38% | −0.01 |
| UNP Union Pacific Corp. | Reduce -1.3% | 0.48% | −0.01 |
| CRM Salesforce Inc. | Reduce -1.6% | 0.22% | −0.01 |
| VZ Verizon Communications Inc. | Reduce -0.9% | 0.54% | −0.01 |
| ABT Abbott Laboratories | Reduce -1.6% | 0.23% | −0.00 |
| PM Philip Morris International | Reduce -8.8% | 0.61% | −0.00 |
| JNJ Johnson & Johnson | Reduce -1.2% | 0.83% | −0.00 |
| DE Deere & Co. | Reduce -1.7% | 0.25% | −0.00 |
| MA Mastercard Inc. Class A | Reduce -1.7% | 0.20% | −0.00 |
| CB Chubb Ltd. | Reduce -1.3% | 0.36% | +0.00 |
| SPGI S&P Global Inc. | Reduce -1.8% | 0.24% | +0.01 |
| MDT Medtronic PLC | Reduce -1.5% | 0.34% | +0.01 |
| AAPL Apple Inc. | Reduce -0.2% | 4.66% | +0.01 |
| USFD US Foods Holding Corp. | Reduce -1.2% | 0.31% | +0.01 |
| ORCL Oracle Corp. | Reduce -2.9% | 0.22% | +0.01 |
| AXP American Express Co. | Reduce -1.6% | 0.30% | +0.01 |
Portfolio Buys Q2 2024 → Q3 2024
| IWM iShares Russell 2000 ETF | New | 1.31% | +1.31 |
| IXUS iShares Core Intl Stock ETF | Add +21.6% | 6.01% | +0.94 |
| DFCF Dimensional Core Fixed Inc. | New | 0.72% | +0.72 |
| DFAX Dimensional World Ex US Core | New | 0.54% | +0.54 |
| DFAE Dimensional Emerging Core Eq | Add +127.5% | 0.88% | +0.48 |
| AGG iShares Core U.S. Aggregate | Add +12.1% | 7.07% | +0.41 |
| XLI SS Industrial Select Sector | Add +27.6% | 1.55% | +0.35 |
| CDNS Cadence Design SYS Inc. | Add +414.9% | 0.41% | +0.31 |
| IWR iShares Russell Mid-Cap ETF | Add +40.1% | 0.89% | +0.25 |
| GS Goldman Sachs Group Inc. | New | 0.24% | +0.24 |
| XLU St Sr Utl SL SE SPDR ETF-Usd | Add +4.9% | 1.89% | +0.22 |
| XLB SS Materials Select Sector | Add +24.6% | 1.12% | +0.21 |
| HUBB Hubbell Inc. | New | 0.18% | +0.18 |
| DHR Danaher Corp. | Add +39.2% | 0.59% | +0.17 |
| WELL Welltower Inc. | Add +186.3% | 0.23% | +0.16 |
| META Meta Platforms Inc. Class A | Add +2.6% | 2.07% | +0.11 |
| AVGO Broadcom Inc. | Add +8.6% | 1.85% | +0.10 |
| KKR KKR & Co. Inc. | Add +23.5% | 0.28% | +0.08 |
| LVS Las Vegas Sands Corp. | Add +31.7% | 0.29% | +0.08 |
| AMT American Tower Corp. | Add +11.1% | 0.44% | +0.07 |
| NKE Nike Inc. Class B | Add +22.6% | 0.31% | +0.07 |
| ANET Arista Networks Inc. | Add +130.3% | 0.12% | +0.07 |
| MPWR Monolithic Power Systems Inc. | Add +96.5% | 0.13% | +0.06 |
| MRVL Marvell Technology Inc. | Add +143.3% | 0.11% | +0.06 |
| AMD Advanced Micro Devices | Add +117.7% | 0.12% | +0.06 |
| DXCM Dexcom Inc. | Add +136.1% | 0.28% | +0.06 |
| ALGN Align Technology Inc. | Add +19.9% | 0.44% | +0.06 |
| MU Micron Technology Inc. | Add +193.2% | 0.09% | +0.05 |
| ZBH Zimmer Biomet Holdings Inc. | Add +57.5% | 0.14% | +0.04 |
| NXPI NXP Semiconductors NV | Add +76.1% | 0.14% | +0.04 |
| PLTR Palantir Technologies Inc. Class A | Add +16.0% | 0.10% | +0.04 |
| APH Amphenol Corp. Class A | Add +34.1% | 0.24% | +0.04 |
| HES Hess Corp. | Add +29.2% | 0.48% | +0.04 |
| BJ Bj's Wholesale Club Holdings | Add +27.0% | 0.44% | +0.03 |
| TXN Texas Instruments Inc. | Add +15.3% | 0.30% | +0.03 |
| CTVA Corteva Inc. | Add +8.8% | 0.40% | +0.03 |
| APO Apollo Global Management Inc. | Add +17.2% | 0.18% | +0.02 |
| TSM Taiwan Semiconductor-SP ADR | Add +10.9% | 0.26% | +0.00 |
| JPM JPMorgan Chase & Co. | Add +3.5% | 1.29% | −0.03 |
| KLAC KLA Corp. | Add +11.7% | 0.55% | −0.03 |
| ASML ASML Holding NV-NY Reg SHS | Add +11.7% | 0.52% | −0.11 |
| AMZN Amazon.com Inc. | Add +4.4% | 2.87% | −0.27 |
| NVDA Nvidia Corp. | Add +2.8% | 3.90% | −0.35 |
| MSFT Microsoft Corp. | Add +0.9% | 4.96% | −0.67 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 205 | $10.6B | NVDA, GOOG, AAPL, DFCF, JCPB |
| Q1 2026 | 196 | $8.9B | NVDA, AAPL, GOOG, MSFT, AMZN |
| Q4 2025 | 196 | $9.9B | NVDA, MSFT, AAPL, GOOG, AGG |
| Q3 2025 | 195 | $10.3B | NVDA, MSFT, IXUS, AAPL, GOOG |
| Q2 2025 | 162 | $9.1B | IXUS, MSFT, NVDA, AAPL, AMZN |
| Q1 2025 | 167 | $8.6B | IXUS, AGG, AAPL, MSFT, NVDA |
| Q4 2024 | 172 | $9.2B | IXUS, AGG, AAPL, MSFT, NVDA |
| Q3 2024 | 173 | $9.7B | AGG, IXUS, MSFT, AAPL, NVDA |
| Q2 2024 | 170 | $8.8B | AGG, MSFT, IXUS, AAPL, NVDA |
| Q1 2024 | 169 | $8.7B | AGG, MSFT, XLK, AAPL, IXUS |