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WTM

White Mountains Insurance Group Ltd

Company with tickers: WTM

CIK
776867
CUSIP
G9618E107
Shares Outstanding
2,476,670
13F Activity (30d)
14 filings 10 filers

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

Short Volume

Date Short Volume Short Exempt Total Volume Short %
2026-06-16 7,010 0 9,094 77.1%
2026-06-15 11,803 0 14,070 83.9%
2026-06-12 3,914 101 5,739 68.2%
2026-06-11 4,583 0 7,453 61.5%
2026-06-10 4,768 0 7,628 62.5%
2026-06-09 7,496 2 9,616 78.0%
2026-06-08 5,101 0 8,111 62.9%
2026-06-05 4,221 0 8,299 50.9%
2026-06-04 5,233 0 9,024 58.0%
2026-06-03 5,501 0 10,389 53.0%
2026-06-02 5,916 1 8,144 72.6%
2026-06-01 6,124 0 8,631 71.0%
2026-05-29 3,485 0 4,987 69.9%
2026-05-28 3,136 0 5,488 57.1%
2026-05-27 5,730 1 9,751 58.8%
2026-05-26 4,274 0 6,302 67.8%
2026-05-22 2,286 0 5,734 39.9%
2026-05-21 2,869 0 7,401 38.8%
2026-05-20 2,854 0 4,906 58.2%
2026-05-19 2,718 0 5,836 46.6%
2026-05-18 2,665 0 6,811 39.1%
2026-05-15 2,944 0 5,762 51.1%
2026-05-14 3,757 23 8,718 43.1%
2026-05-13 2,851 0 5,415 52.7%
2026-05-12 3,902 0 6,675 58.5%
2026-05-11 3,204 0 6,349 50.5%
2026-05-08 2,055 5 4,734 43.4%
2026-05-07 2,406 0 6,925 34.7%
2026-05-06 3,724 0 9,787 38.1%
2026-05-05 1,804 0 6,296 28.7%
2026-05-04 4,192 0 11,011 38.1%
2026-05-01 2,658 0 6,617 40.2%
2026-04-30 1,509 0 2,736 55.2%
2026-04-29 2,688 0 4,236 63.5%
2026-04-28 3,891 0 5,467 71.2%
2026-04-27 2,805 0 4,738 59.2%
2026-04-24 2,037 0 3,166 64.3%
2026-04-23 1,990 0 3,004 66.2%
2026-04-22 2,971 0 5,287 56.2%
2026-04-21 2,141 1 3,124 68.5%
2026-04-20 2,796 0 4,161 67.2%
2026-04-17 2,409 0 4,507 53.5%
2026-04-16 2,391 0 3,739 63.9%
2026-04-15 3,396 0 5,030 67.5%
2026-04-14 3,811 0 7,014 54.3%
2026-04-13 2,732 2 6,009 45.5%
2026-04-10 3,182 0 5,095 62.5%
2026-04-09 3,208 0 5,172 62.0%
2026-04-08 3,691 0 5,526 66.8%
2026-04-07 3,664 0 5,493 66.7%
Showing 1–50 of 51 days