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
Portfolio Composition
By security type
Composition data arrives with ticker enrichment.
Quarter-over-Quarter Changes full breakdown →
Holdings — Q3 2025
Filing History
| Quarter | Reported Value | Positions | Filed | Type | Links |
|---|---|---|---|---|---|
| Q1 2026 | $8.9B | 196 | May 5, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q4 2025 | $9.9B | 196 | Jan 23, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q3 2025 | $10.3B | 195 | Nov 10, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q2 2025 | $9.1B | 162 | Aug 7, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q1 2025 | $8.6B | 167 | Apr 17, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q4 2024 | $9.2B | 172 | Jan 24, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q3 2024 | $9.7B | 173 | Oct 10, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q2 2024 | $8.8B | 170 | Jul 23, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q1 2024 | $8.7B | 169 | Apr 12, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q4 2023 | $8.1B | 162 | Jan 23, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q3 2023 | $7.2B | 156 | Nov 7, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q2 2023 | $6.8B | 142 | Jul 27, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q1 2023 | $6.4B | 147 | May 8, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q4 2022 | $6.61T | 146 | Feb 2, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q3 2022 | $6.1B | 144 | Nov 4, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q2 2022 | $6.1B | 144 | Aug 8, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q1 2022 | $7.4B | 136 | May 13, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q4 2021 | $6.9B | 133 | Feb 10, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q3 2021 | $8.0B | 129 | Nov 12, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q2 2021 | $8.2B | 126 | Jul 14, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q1 2021 | $7.8B | 130 | May 10, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q4 2020 | $7.4B | 128 | Feb 17, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q3 2020 | $6.2B | 106 | Oct 19, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q2 2020 | $5.8B | 109 | Jul 13, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q1 2020 | $5.3B | 113 | Apr 16, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q4 2019 | $6.8B | 117 | Jan 28, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q3 2019 | $6.5B | 116 | Oct 22, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q2 2019 | $8.4B | 130 | Jul 16, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q1 2019 | $8.5B | 127 | Apr 9, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q4 2018 | $7.8B | 127 | Jan 14, 2019 | 13F-HR | changes · 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 ↗.