White Mountains Insurance Group Ltd
- SEC CIK
- 0000776867
- Latest filing
- Aug 12, 2026
Holdings in Q1 2023
Holdings as of Mar 31, 2023, filed May 11, 2023. Long positions only; changes compare share counts with Q4 2022.
- Positions
- 2
- 0 vs. Q4 2022
- Portfolio value
- $611.1M
- +$108.7M (+21.6%) vs. Q4 2022
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| SPYSPDR S&P 500 ETF Trust | ETF | 872,946 | $357.4M | 58.5% | 00.0% | Unchanged | History |
| MAXMediaAlpha, Inc. | CL A | 16,939,998 | $253.8M | 41.5% | 00.0% | Unchanged | History |