Mason Hawkins - Southeastern Asset Management
Holding/activity history for White Mountains Insurance Group, Ltd. (WTM)
← All WTM superinvestors
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 18,864 | 2.04 | Reduce 40.40% | 1.18 | $2,003.97–2,264.70 · VW $2,155.21i | $41,443,454 | SEC |
| 2025 Q4 | 31,652 | 2.93 | $2,078.03 | $65,773,805 | SEC | ||
| 2025 Q3 | 31,652 | 2.70 | Add 50.05% | 0.90 | $1,659.17–1,880.11 · VW $1,736.93i | $52,906,951 | SEC |
| 2025 Q2 | 21,094 | 1.91 | Add 14.12% | 0.24 | $1,678.87–1,937.23 · VW $1,803.94i | $37,878,918 | SEC |
| 2025 Q1 | 18,484 | 1.90 | Reduce 3.95% | 0.07 | $1,803.96–1,993.86 · VW $1,907.88i | $35,596,671 | SEC |
| 2024 Q4 | 19,244 | 1.77 | Reduce 7.20% | <0.01 | $1,708.50–2,023.00 · VW $1,892.19i | $37,430,734 | SEC |
| 2024 Q3 | 20,738 | <0.01 | Reduce 3.20% | 0.05 | $1,666.22–1,847.78 · VW $1,736.73i | $35,176,000 | SEC |
| 2024 Q2 | 21,423 | 1.70 | Reduce 13.30% | 0.23 | $1,665.71–1,899.21 · VW $1,794.12i | $38,935,231 | SEC |
| 2024 Q1 | 24,708 | 1.70 | Reduce 23.85% | 0.45 | $1,475.00–1,849.99 · VW $1,706.43i | $44,333,564 | SEC |
| 2023 Q4 | 32,446 | 1.88 | Reduce 1.51% | 0.03 | $1,401.01–1,562.63 · VW $1,489.55i | $48,831,555 | SEC |
| 2023 Q3 | 32,945 | 1.83 | Reduce 21.96% | 0.45 | $1,370.75–1,617.00 · VW $1,494.48i | $49,275,507 | SEC |
| 2023 Q2 | 42,217 | 2.07 | Reduce 21.14% | 0.53 | $1,319.05–1,540.09 · VW $1,416.02i | $58,635,613 | SEC |
| 2023 Q1 | 53,533 | 2.49 | Reduce 3.53% | 0.10 | $1,312.00–1,560.21 · VW $1,416.57i | $73,741,173 | SEC |
| 2022 Q4 | 55,493 | 2.75 | Reduce 50.72% | 1.87 | $1,276.05–1,435.45 · VW $1,375.28i | $78,485,414 | SEC |
| 2022 Q3 | 112,597 | 3.69 | Reduce 10.35% | 0.34 | $1,172.00–1,393.48 · VW $1,289.50i | $146,716,000 | SEC |
| 2022 Q2 | 125,603 | 3.30 | Add 0.08% | <0.01 | $1,030.38–1,291.50 · VW $1,189.34i | $156,518,000 | SEC |
| 2022 Q1 | 125,503 | 2.52 | Add 143.21% | 1.48 | $982.60–1,141.97 · VW $1,086.94i | $142,602,000 | SEC |
| 2021 Q4 | 51,602 | 0.88 | Buy | 0.88 | $978.51–1,137.50 · VW $1,043.30i | $52,319,000 | SEC |
Price snapshot:
Current price$2,174.96
Avg. buy price$1,339.87
+/- since buy62.33%
52-week low$1,647.25
52-week high$2,333.00