WHITE MTNS INS GROUP LTD (G9618E107) Stock Institutional Trading Activity
WHITE MTNS INS GROUP LTD (G9618E107) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Longleaf Partners, Sequoia Financial Advisors, Dodge & Cox Stock Fund, and Third Avenue Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- WHITE MTNS INS GROUP LTD (G9618E107) stock institutional ownership
- WHITE MTNS INS GROUP LTD (G9618E107) stock insider trading activity
- Stock rankings
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2014 | Renaissance Technologies LLC | Buy | 8,900 | 23,300 | $13,978 |
| Q1 2014 | Third Avenue Management | Sell | -79,250 | 191,574 | $114,925 |
| Q4 2013 | Renaissance Technologies LLC | Buy | 2,000 | 14,400 | $8,684 |
| Q3 2013 | Bares Capital Management | Buy | 27 | 1,465 | $832 |
| Q3 2013 | Renaissance Technologies LLC | Buy | 3,000 | 12,400 | $7,038 |
| Q3 2013 | Third Avenue Management | Buy | 3,551 | 270,824 | $153,725 |
| Q2 2013 | Bares Capital Management | Buy | 1,438 | 1,438 | $827 |
| Q2 2013 | Renaissance Technologies LLC | Buy | 9,400 | 9,400 | $5,404 |
| Q2 2013 | Third Avenue Management | Buy | 267,273 | 267,273 | $153,666 |
Frequently asked questions about G9618E107 activity
Which institutional owners are buying G9618E107?
Institutional owners buying G9618E107 include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in G9618E107 activity?
"Buy" means an investor increased their reported position in G9618E107 compared to the prior reporting period. This reflects growing exposure to WHITE MTNS INS GROUP LTD (G9618E107) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in G9618E107 increasing?
Institutional interest in G9618E107 can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.