Factory Mutual Insurance CO Portfolio Holdings

Factory Mutual Insurance CO

  • $10.1 Billion
  • Q3 2025

Factory Mutual Insurance CO has filed its 13F form on November 07, 2025 for Q3 2025 where it was disclosed a total value porftolio of $10.1 Billion distributed in 195 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Nvidia Corp with a value of $548M, Microsoft Corp with a value of $544M, Ishares Tr with a value of $489M, Apple Inc. with a value of $450M, and Alphabet Inc. with a value of $378M.

Examining the 13F form we can see an increase of $1.11B in the current position value, from $8.98B to 10.1B.

Factory Mutual Insurance CO is based out at Waltham, MA

Below you can find more details about Factory Mutual Insurance CO portfolio as well as his latest detailed transactions.

Portfolio value $10.1 Billion
ETFs: $2.92 Billion
Technology: $2.65 Billion
Financial Services: $933 Million
Communication Services: $780 Million
Consumer Cyclical: $730 Million
Healthcare: $658 Million
Industrials: $452 Million
Consumer Defensive: $427 Million
Other: $390 Million

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$465B
$548 Million 5.43% of portfolio
2,938,848
Q3 2025 Reduced 2.65%
$3.78T
$544 Million 5.39% of portfolio
1,050,968
Q3 2025 Reduced 1.53%
$0
$489 Million 4.85% of portfolio
5,923,560
Q3 2025 Reduced 28.63%
$4.3T
$450 Million 4.46% of portfolio
1,767,571
Q3 2025 Reduced 3.16%
$1.74T
$378 Million 3.75% of portfolio
1,552,321
Q3 2025 Reduced 6.38%
$0
$376 Million 3.73% of portfolio
3,755,423
Q3 2025 Added 66.64%
$0
$332 Million 3.29% of portfolio
1,177,180
Q3 2025 Added 137.24%
$2.39T
$295 Million 2.92% of portfolio
1,342,024
Q1 2025 Reduced 5.09%
$0
$278 Million 2.75% of portfolio
5,846,314
Q3 2025 Added 81.77%
$139B
$263 Million 2.61% of portfolio
798,445
Q3 2025 Reduced 4.26%
$1.37T
$218 Million 2.16% of portfolio
297,391
Q3 2025 Reduced 8.59%
$0
$194 Million 1.92% of portfolio
4,538,370
Q3 2025 Added 62.45%
$0
$180 Million 1.78% of portfolio
2,062,250
Q3 2025 Reduced 8.64%
$881B
$171 Million 1.69% of portfolio
541,725
Q3 2025 Reduced 4.41%
$0
$151 Million 1.49% of portfolio
4,806,630
Q3 2025 Added 68.04%
$0
$142 Million 1.41% of portfolio
923,500
Q1 2025 Reduced 16.69%
$1.29T
$120 Million 1.19% of portfolio
269,400
Q4 2024 Added 16.52%
$533B
$114 Million 1.13% of portfolio
334,801
Q3 2025 Reduced 2.97%
$0
$113 Million 1.12% of portfolio
1,412,500
Q1 2025 New
$0
$109 Million 1.08% of portfolio
178,137
Q3 2025 Added 30.79%
$0
$97.3 Million 0.96% of portfolio
3,086,900
Q3 2024 Added 127.46%
$130B
$89.6 Million 0.89% of portfolio
252,100
Q4 2023 Reduced 7.96%
$1.46T
$80.5 Million 0.8% of portfolio
288,325
Q3 2025 Added 39.68%
$522B
$80.5 Million 0.8% of portfolio
434,060
Q3 2025 Added 0.35%
$405B
$79.1 Million 0.78% of portfolio
81,731
Q3 2025 Added 15.73%
$490B
$76.7 Million 0.76% of portfolio
680,654
Q3 2025 Reduced 0.44%
$169B
$76.6 Million 0.76% of portfolio
83,200
Q3 2025 Added 5.32%
$86.4B
$74.2 Million 0.73% of portfolio
211,171
Q3 2025 Reduced 2.22%
$300B
$73.3 Million 0.73% of portfolio
212,400
Q2 2025 Added 9.15%
$0
$73.3 Million 0.73% of portfolio
758,700
Q3 2025 Reduced 22.48%
$161B
$73.6 Million 0.73% of portfolio
68,252
Q2 2025 Added 8.42%
$279B
$70 Million 0.69% of portfolio
679,576
Q2 2025 Reduced 13.93%
$0
$68.1 Million 0.67% of portfolio
284,000
Q2 2024 Reduced 33.19%
$971B
$66 Million 0.65% of portfolio
86,500
Q2 2025 Reduced 4.42%
$237B
$61.8 Million 0.61% of portfolio
380,806
Q3 2025 Reduced 9.51%
$346B
$61.1 Million 0.61% of portfolio
397,537
Q3 2024 Reduced 1.63%
$0
$59 Million 0.59% of portfolio
658,800
Q3 2025 Reduced 20.99%
$317B
$59.2 Million 0.59% of portfolio
706,064
Q4 2024 Added 16.6%
$172B
$57.6 Million 0.57% of portfolio
1,310,366
Q3 2025 Added 0.38%
$303B
$56.4 Million 0.56% of portfolio
363,117
Q3 2025 Added 2,235.16%
$136B
$55.6 Million 0.55% of portfolio
235,150
Q4 2024 Added 25.18%
$414B
$54 Million 0.54% of portfolio
233,300
Q2 2025 Reduced 15.56%
$593B
$53.9 Million 0.53% of portfolio
191,556
Q3 2025 Reduced 3.23%
$270B
$52.3 Million 0.52% of portfolio
329,050
Q2 2025 Reduced 19.02%
$140B
$52.4 Million 0.52% of portfolio
140,119
Q3 2025 Reduced 6.66%
$0
$51.2 Million 0.51% of portfolio
1,355,000
Q1 2025 New
$0
$50.5 Million 0.5% of portfolio
1,055,715
Q3 2025 New
$367B
$50 Million 0.5% of portfolio
123,400
Q3 2025 Added 32.12%
$103B
$49.3 Million 0.49% of portfolio
379,000
Q2 2025 Added 27.82%

Summary

  • Portfolio
  • No. of Stocks 195
  • Current Value $10.1 Billion
  • Prior Value $8.98 Billion
  • Filing
  • Period Q3 2025
  • Filing Date November 07, 2025
  • Form Type 13F-HR
  • Activity in Q3 2025
  • New Purchases 35 stocks
  • Additional Purchases 25 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 29 stocks
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