Factory Mutual Insurance CO Portfolio Holdings

Factory Mutual Insurance CO

  • $10.3 Billion
  • Q4 2025

Factory Mutual Insurance CO has filed its 13F form on January 22, 2026 for Q4 2025 where it was disclosed a total value porftolio of $10.3 Billion distributed in 196 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Nvidia Corp with a value of $545M, Microsoft Corp with a value of $512M, Apple Inc. with a value of $462M, Alphabet Inc. with a value of $422M, and Ishares Core U.S. Aggregate Bo with a value of $410M.

Examining the 13F form we can see an increase of $170M in the current position value, from $10.1B to 10.3B.

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 $10.3 Billion
ETFs: $3.04 Billion
Technology: $2.95 Billion
Financial Services: $864 Million
Consumer Cyclical: $725 Million
Communication Services: $707 Million
Healthcare: $658 Million
Industrials: $447 Million
Consumer Defensive: $358 Million
Other: $357 Million

Stock Holdings Table ETFs Only

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$0
$410 Million 3.99% of portfolio
4,096,000
Q4 2025 Added 9.07%
$0
$339 Million 3.31% of portfolio
3,823,850
Q4 2025 Added 85.42%
$0
$294 Million 2.87% of portfolio
1,022,030
Q4 2025 Reduced 13.18%
$0
$277 Million 2.7% of portfolio
5,846,314
Q3 2025 Added 81.77%
$0
$194 Million 1.89% of portfolio
4,538,370
Q3 2025 Added 62.45%
$0
$154 Million 1.5% of portfolio
4,806,630
Q3 2025 Added 68.04%
$0
$140 Million 1.37% of portfolio
1,729,400
Q4 2025 Added 22.44%
$0
$140 Million 1.37% of portfolio
923,500
Q1 2025 Reduced 16.69%
$0
$139 Million 1.35% of portfolio
1,647,735
Q4 2025 Reduced 72.18%
$0
$131 Million 1.28% of portfolio
568,000
Q4 2025 Added 100.0%
$0
$125 Million 1.22% of portfolio
1,671,130
Q4 2025 New
$0
$114 Million 1.11% of portfolio
1,317,600
Q4 2025 Added 100.0%
$0
$100 Million 0.98% of portfolio
3,086,900
Q3 2024 Added 127.46%
$0
$99.8 Million 0.97% of portfolio
2,116,815
Q4 2025 Added 100.51%
$130B
$94.8 Million 0.92% of portfolio
252,100
Q4 2023 Reduced 7.96%
$0
$71.8 Million 0.7% of portfolio
758,700
Q3 2025 Reduced 22.48%
$0
$50.9 Million 0.5% of portfolio
553,200
Q4 2025 Added 100.0%
$0
$50.5 Million 0.49% of portfolio
1,355,000
Q1 2025 New
$0
$35.7 Million 0.35% of portfolio
605,150
Q4 2025 Reduced 1.62%
$0
$32.7 Million 0.32% of portfolio
137,580
Q3 2025 Reduced 29.36%
$0
$32 Million 0.31% of portfolio
350,000
Q2 2024 Added 7.69%
$0
$27 Million 0.26% of portfolio
659,000
Q4 2023 New
$0
$25.6 Million 0.25% of portfolio
336,700
Q4 2021 Added 5,807.02%
$0
$25.1 Million 0.24% of portfolio
1,200,000
Q3 2023 New
$0
$11.7 Million 0.11% of portfolio
71,000
Q4 2020 New
$0
$5.99 Million 0.06% of portfolio
90,000
Q4 2024 Reduced 92.25%
$0
$1.54 Million 0.02% of portfolio
28,100
Q4 2020 New
$0
$876,000 0.01% of portfolio
12,000
Q4 2020 New

Summary

  • Portfolio
  • No. of Stocks 196
  • Current Value $10.3 Billion
  • Prior Value $10.1 Billion
  • Filing
  • Period Q4 2025
  • Filing Date January 22, 2026
  • Form Type 13F-HR
  • Activity in Q4 2025
  • New Purchases 7 stocks
  • Additional Purchases 35 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 104 stocks
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