Prospector Partners LLC
- SEC CIK
- 0001080380
- Latest filing
- Feb 13, 2026
WTM holding history
White Mountains Insurance Group Ltd in every 13F filed by Prospector Partners LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
WTM overviewAll 13F holders of WTMFull Q4 2025 holdings
- Shares (Q4 2025)
- 490
- Value
- $1.02M
- % of portfolio
- 2.2%
- Quarters held
- 16
- Since Q1 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2025 | 490 | $1.02M | 2.2% | −3,293−87.0% | Reduced | Holders |
| Q3 2025 | 3,783 | $6.32M | 0.8% | −293−7.2% | Reduced | Holders |
| Q2 2025 | 4,076 | $7.32M | 0.8% | +221+5.7% | Added | Holders |
| Q1 2025 | 3,855 | $7.42M | 0.8% | 00.0% | Unchanged | Holders |
| Q4 2024 | 3,855 | $7.50M | 0.8% | 00.0% | Unchanged | Holders |
| Q3 2024 | 3,855 | $6.54M | 0.7% | +566+17.2% | Added | Holders |
| Q2 2024 | 3,289 | $5.98M | 0.7% | −4−0.1% | Reduced | Holders |
| Q1 2024 | 3,293 | $5.91M | 0.7% | +25+0.8% | Added | Holders |
| Q4 2023 | 3,268 | $4.92M | 0.6% | +41+1.3% | Added | Holders |
| Q3 2023 | 3,227 | $4.83M | 0.7% | 00.0% | Unchanged | Holders |
| Q2 2023 | 3,227 | $4.48M | 0.6% | +970+43.0% | Added | Holders |
| Q1 2023 | 2,257 | $3.11M | 0.5% | −823−26.7% | Reduced | Holders |
| Q4 2022 | 3,080 | $4.36M | 0.6% | 00.0% | Unchanged | Holders |
| Q3 2022 | 3,080 | $4.01M | 0.6% | −20−0.6% | Reduced | Holders |
| Q2 2022 | 3,100 | $3.86M | 0.6% | +130+4.4% | Added | Holders |
| Q1 2022 | 2,970 | $3.38M | 0.4% | +2,970 | New | Holders |