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 Companies Only

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$465B
$545 Million 5.31% of portfolio
2,922,698
Q4 2025 Reduced 0.55%
$3.78T
$512 Million 4.99% of portfolio
1,008,818
Q4 2025 Reduced 4.01%
$4.3T
$462 Million 4.5% of portfolio
1,727,321
Q4 2025 Reduced 2.28%
$1.74T
$422 Million 4.11% of portfolio
1,478,271
Q4 2025 Reduced 4.77%
$169B
$393 Million 3.83% of portfolio
469,850
Q4 2025 Added 464.72%
$2.39T
$312 Million 3.04% of portfolio
1,331,024
Q4 2025 Reduced 0.82%
$139B
$248 Million 2.42% of portfolio
724,445
Q4 2025 Reduced 9.27%
$1.37T
$178 Million 1.73% of portfolio
291,441
Q4 2025 Reduced 2.0%
$881B
$148 Million 1.45% of portfolio
493,775
Q4 2025 Reduced 8.85%
$662B
$118 Million 1.15% of portfolio
231,100
Q4 2025 Reduced 9.19%
$533B
$108 Million 1.06% of portfolio
332,951
Q4 2025 Reduced 0.55%
$1.29T
$107 Million 1.05% of portfolio
262,550
Q4 2025 Reduced 2.54%
$1.46T
$89.7 Million 0.87% of portfolio
317,975
Q4 2025 Added 10.28%
$971B
$87.8 Million 0.86% of portfolio
85,900
Q4 2025 Reduced 0.69%
$490B
$78 Million 0.76% of portfolio
663,004
Q4 2025 Reduced 2.59%
$300B
$77.1 Million 0.75% of portfolio
240,700
Q4 2025 Added 13.32%
$86.4B
$69.4 Million 0.68% of portfolio
220,421
Q4 2025 Added 4.38%
$161B
$66.5 Million 0.65% of portfolio
58,652
Q4 2025 Reduced 14.07%
$237B
$63.9 Million 0.62% of portfolio
418,406
Q4 2025 Added 9.87%
$279B
$63 Million 0.61% of portfolio
611,826
Q4 2025 Reduced 9.97%
$405B
$61.9 Million 0.6% of portfolio
60,681
Q4 2025 Reduced 25.76%
$317B
$57.5 Million 0.56% of portfolio
689,364
Q4 2025 Reduced 2.37%
$346B
$56.5 Million 0.55% of portfolio
387,437
Q4 2025 Reduced 2.54%
$303B
$54.6 Million 0.53% of portfolio
352,367
Q4 2025 Reduced 2.96%
$270B
$52.5 Million 0.51% of portfolio
329,050
Q2 2025 Reduced 19.02%
$79.6B
$51.4 Million 0.5% of portfolio
384,034
Q4 2025 Reduced 2.44%
$136B
$50.4 Million 0.49% of portfolio
227,950
Q4 2025 Reduced 3.06%
$306B
$50 Million 0.49% of portfolio
707,950
Q4 2025 Reduced 2.54%
$140B
$49.1 Million 0.48% of portfolio
139,269
Q4 2025 Reduced 0.61%
$367B
$48.4 Million 0.47% of portfolio
135,100
Q4 2025 Added 9.48%
$342B
$48.1 Million 0.47% of portfolio
276,357
Q4 2025 Added 10.3%
$152B
$48.2 Million 0.47% of portfolio
199,600
Q4 2025 Added 92.66%
$89.8B
$47.6 Million 0.46% of portfolio
245,600
Q4 2025 Reduced 7.95%
$222B
$47.7 Million 0.46% of portfolio
84,085
Q4 2025 Reduced 15.01%
$160B
$46.6 Million 0.45% of portfolio
211,300
Q4 2025 Reduced 2.54%
$103B
$45.2 Million 0.44% of portfolio
377,300
Q4 2025 Reduced 0.45%
$388B
$45 Million 0.44% of portfolio
186,972
Q4 2025 Added 155.87%
$328B
$44.3 Million 0.43% of portfolio
147,517
Q4 2025 Reduced 2.54%
$414B
$43.3 Million 0.42% of portfolio
185,150
Q4 2025 Reduced 20.64%
$44.4B
$41.6 Million 0.41% of portfolio
215,100
Q4 2025 Added 6.59%
$593B
$41.9 Million 0.41% of portfolio
190,356
Q4 2025 Reduced 0.63%
$84B
$40 Million 0.39% of portfolio
221,900
Q4 2025 Reduced 2.55%
$224B
$39.9 Million 0.39% of portfolio
131,000
Q4 2025 Reduced 3.82%
$258B
$38.7 Million 0.38% of portfolio
220,115
Q4 2025 Reduced 0.77%
$268B
$37.6 Million 0.37% of portfolio
152,345
Q4 2025 Added 15.64%
$170B
$36.8 Million 0.36% of portfolio
251,850
Q4 2025 Reduced 1.31%
$49.1B
$36.8 Million 0.36% of portfolio
333,250
Q4 2025 Added 874.42%
$43.2B
$36.1 Million 0.35% of portfolio
39,272
Q4 2025 Reduced 1.75%
$182B
$34.8 Million 0.34% of portfolio
53,900
Q4 2025 Added 27.73%

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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