Follow The Filings

WTM position history

The shares of White Mountains Insurance Group (WTM) that SOUTHEASTERN ASSET MANAGEMENT INC reported in each quarter’s 13F.

Equity, COM

Shares held by quarter

New Add Reduce Exit

  1. 2021 Q4: 51,602 shares, $52M, 0.88% of portfolio, New
  2. 2022 Q1: 125,503 shares, $143M, 2.5% of portfolio, Add +143.2%
  3. 2022 Q2: 125,603 shares, $157M, 3.3% of portfolio, Add +0.1%
  4. 2022 Q3: 112,597 shares, $147M, 3.7% of portfolio, Reduce −10.4%
  5. 2022 Q4: 55,493 shares, $78M, 2.8% of portfolio, Reduce −50.7%
  6. 2023 Q1: 53,533 shares, $74M, 2.5% of portfolio, Reduce −3.5%
  7. 2023 Q2: 42,217 shares, $59M, 2.1% of portfolio, Reduce −21.1%
  8. 2023 Q3: 32,945 shares, $49M, 1.8% of portfolio, Reduce −22.0%
  9. 2023 Q4: 32,446 shares, $49M, 1.9% of portfolio, Reduce −1.5%
  10. 2024 Q1: 24,708 shares, $44M, 1.7% of portfolio, Reduce −23.8%
  11. 2024 Q2: 21,423 shares, $39M, 1.7% of portfolio, Reduce −13.3%
  12. 2024 Q3: 20,738 shares, $35K, <0.01% of portfolio, Reduce −3.2%
  13. 2024 Q4: 19,244 shares, $37M, 1.8% of portfolio, Reduce −7.2%
  14. 2025 Q1: 18,484 shares, $36M, 1.9% of portfolio, Reduce −3.9%
  15. 2025 Q2: 21,094 shares, $38M, 1.9% of portfolio, Add +14.1%
  16. 2025 Q3: 31,652 shares, $53M, 2.7% of portfolio, Add +50.1%
  17. 2025 Q4: 31,652 shares, $66M, 2.9% of portfolio
  18. 2026 Q1: 18,864 shares, $41M, 2.0% of portfolio, Reduce −40.4%
  19. 2026 Q2: 17,104 shares, $35M, 1.8% of portfolio, Reduce −9.3%
Holdings date Value % of holdings Shares Filing date All 13F holders