WTM
White Mountains Insurance Group LtdCompany with tickers: WTM
CIK
776867
CUSIP
G9618E107
Shares Outstanding
2,476,670
Website
https://www.whitemountains.com
13F Activity (30d)
14 filings
10 filers
Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.
Short Squeeze Score
71/100
Short interest 3.7% of shares — P64
Days to cover 4.1 — P65
Short-volume trend +9.4% — P82
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-05-29). Equal-weight mean of the available factors.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-05-29 | 90,960 | 87,955 | +3,005 | 4.13 |
| 2026-05-15 | 87,955 | 78,013 | +9,942 | 3.69 |
| 2026-04-30 | 78,013 | 71,686 | +6,327 | 5.92 |
| 2026-04-15 | 71,686 | 82,241 | -10,555 | 3.84 |
| 2026-03-31 | 82,241 | 87,581 | -5,340 | 4.59 |
| 2026-03-13 | 87,581 | 75,110 | +12,471 | 4.13 |
| 2026-02-27 | 75,110 | 69,433 | +5,677 | 4.61 |
| 2026-02-13 | 69,433 | 81,413 | -11,980 | 3.90 |
| 2026-01-30 | 81,413 | 72,099 | +9,314 | 5.12 |
| 2026-01-15 | 72,099 | 64,771 | +7,328 | 3.86 |
| 2025-12-31 | 64,771 | 87,076 | -22,305 | 3.55 |
| 2025-12-15 | 87,076 | 109,757 | -22,681 | 3.97 |
| 2025-11-28 | 109,757 | 95,355 | +14,402 | 5.80 |
| 2025-11-14 | 95,355 | 107,804 | -12,449 | 4.19 |
| 2025-10-31 | 107,804 | 94,581 | +13,223 | 4.19 |
| 2025-10-15 | 94,581 | 80,962 | +13,619 | 2.49 |
| 2025-09-30 | 80,962 | 65,515 | +15,447 | 2.30 |
| 2025-09-15 | 65,515 | 64,506 | +1,009 | 1.84 |
| 2025-08-29 | 64,506 | 70,931 | -6,425 | 2.43 |
| 2025-08-15 | 70,931 | 57,332 | +13,599 | 2.38 |
| 2025-07-31 | 57,332 | 60,625 | -3,293 | 3.03 |
| 2025-07-15 | 60,625 | 58,478 | +2,147 | 1.91 |
| 2025-06-30 | 58,478 | 53,796 | +4,682 | 2.63 |
Showing 1–23 of 23 settlements