SEC 13F Intelligence

Managers / Q3 2025 · view latest →

FACTORY MUTUAL INSURANCE CO

CIK 0000887818 · 404 WYMAN STREET, SUITE 390, WALTHAM, MA, 02451 · 7818909300

Reported Value
$10.3B
Q3 2025
Positions
195
Filings on Record
30
2019–present window
Filed
Nov 10, 2025
original filing

Summary

Factory Mutual Insurance Co reported $10.3B in U.S.-listed holdings across 195 positions for Q3 2025.

Its largest position, NVDA, represents 5.3% of the portfolio.

Compared with Q2 2025, the fund opened 35 new positions and exited 2.

Reported Value by Quarter

13F Reported Value
Q4 ’18: $7.8BQ4 ’18Q1 ’19: $8.5BQ2 ’19: $8.4BQ3 ’19: $6.5BQ4 ’19: $6.8BQ4 ’19Q1 ’20: $5.3BQ2 ’20: $5.8BQ3 ’20: $6.2BQ4 ’20: $7.4BQ4 ’20Q1 ’21: $7.8BQ2 ’21: $8.2BQ3 ’21: $8.0BQ4 ’21: $6.9BQ4 ’21Q1 ’22: $7.4BQ2 ’22: $6.1BQ3 ’22: $6.1BQ4 ’22: $6.61TQ4 ’22Q1 ’23: $6.4BQ2 ’23: $6.8BQ3 ’23: $7.2BQ4 ’23: $8.1BQ4 ’23Q1 ’24: $8.7BQ2 ’24: $8.8BQ3 ’24: $9.7BQ4 ’24: $9.2BQ4 ’24Q1 ’25: $8.6BQ2 ’25: $9.1BQ3 ’25: $10.3BQ4 ’25: $9.9BQ4 ’25Q1 ’26: $8.9Bfilingsflow.com

Portfolio Composition

By security type

Composition data arrives with ticker enrichment.

Quarter-over-Quarter Changes full breakdown →

Holdings — Q3 2025

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#IssuerClass% PortfolioValueShares

Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$8.9B196May 5, 202613F-HRchanges · EDGAR ↗
Q4 2025$9.9B196Jan 23, 202613F-HRchanges · EDGAR ↗
Q3 2025$10.3B195Nov 10, 202513F-HRchanges · EDGAR ↗
Q2 2025$9.1B162Aug 7, 202513F-HRchanges · EDGAR ↗
Q1 2025$8.6B167Apr 17, 202513F-HRchanges · EDGAR ↗
Q4 2024$9.2B172Jan 24, 202513F-HRchanges · EDGAR ↗
Q3 2024$9.7B173Oct 10, 202413F-HRchanges · EDGAR ↗
Q2 2024$8.8B170Jul 23, 202413F-HRchanges · EDGAR ↗
Q1 2024$8.7B169Apr 12, 202413F-HRchanges · EDGAR ↗
Q4 2023$8.1B162Jan 23, 202413F-HRchanges · EDGAR ↗
Q3 2023$7.2B156Nov 7, 202313F-HRchanges · EDGAR ↗
Q2 2023$6.8B142Jul 27, 202313F-HRchanges · EDGAR ↗
Q1 2023$6.4B147May 8, 202313F-HRchanges · EDGAR ↗
Q4 2022$6.61T146Feb 2, 202313F-HRchanges · EDGAR ↗
Q3 2022$6.1B144Nov 4, 202213F-HRchanges · EDGAR ↗
Q2 2022$6.1B144Aug 8, 202213F-HRchanges · EDGAR ↗
Q1 2022$7.4B136May 13, 202213F-HRchanges · EDGAR ↗
Q4 2021$6.9B133Feb 10, 202213F-HRchanges · EDGAR ↗
Q3 2021$8.0B129Nov 12, 202113F-HRchanges · EDGAR ↗
Q2 2021$8.2B126Jul 14, 202113F-HRchanges · EDGAR ↗
Q1 2021$7.8B130May 10, 202113F-HRchanges · EDGAR ↗
Q4 2020$7.4B128Feb 17, 202113F-HRchanges · EDGAR ↗
Q3 2020$6.2B106Oct 19, 202013F-HRchanges · EDGAR ↗
Q2 2020$5.8B109Jul 13, 202013F-HRchanges · EDGAR ↗
Q1 2020$5.3B113Apr 16, 202013F-HRchanges · EDGAR ↗
Q4 2019$6.8B117Jan 28, 202013F-HRchanges · EDGAR ↗
Q3 2019$6.5B116Oct 22, 201913F-HRchanges · EDGAR ↗
Q2 2019$8.4B130Jul 16, 201913F-HRchanges · EDGAR ↗
Q1 2019$8.5B127Apr 9, 201913F-HRchanges · EDGAR ↗
Q4 2018$7.8B127Jan 14, 201913F-HRchanges · EDGAR ↗

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.