White Mountains Insurance Group, Ltd.
corporate_fare Company Profile
White Mountains Insurance Group, Ltd. (NYSE:WTM) is a publicly traded company in the Finance sector. Wiseek has independently scored 14 items for WTM at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-09-14, rated 7/10. Across its 14 most recent items scored 7 or higher, the top rating is 9/10, with 6 rated 8 or above. Recent SEC coverage for WTM spans 8-K, 10-Q, 10-K.
Recent high-impact activity:
- Bamboo IPO Terms Value Insurance Platform at Up to $3.13B
- White Mountains Q2 Revenue Hits $844.6M, Book Value Up 4%
- White Mountains Q2 2026: Book Value Up 4%, $191M Buyback, $0.8B Undeployed Capital
- White Mountains Discloses New $125M Investment in Bishop Street Underwriters
- Subsidiary HG Global Secures $200M Senior Secured Notes, Refinancing Debt at Lower Fixed Rate
Financial Snapshot
Short Interest & Short Volume
6.17 days to coverFINRA reported short interest of 135,407 shares in WTM as of the September 15, 2026 settlement, a 2.8% increase from the prior period — about 6.2 days to cover at its recent average daily volume. On October 2, 2026, 66.2% of WTM volume reported to FINRA trade-reporting facilities was marked short.
Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.