The company
White Mountains Insurance Group, Ltd.
WTM · NYSE
WTM stood above a rising 150-day average in 35 of the last 52 weekly readings, and has been out of that trend for the last 10 weeks. It is 1.5% above that average now. Insurance: 48% of its 118 stocks in an uptrend (−13 points in four weeks); Financials: 46% (−11 points in four weeks).
Statistics
- Rotation
- Above a falling average
- Weeks in an uptrend
- out for 10
- Industry in uptrend
- 48% -13 in 4 wk
- Insider buys, 12 months
- $0
- Insider sales, 12 months
- $20.8M
- Officials’ trades on record
- 2
- Institutions holding
- 331 (-7)
In the rotation
Each square a week: lit when it closed above a rising 150-day average. 35 of 52 weeks.
Insurance: About half its stocks are in an uptrend and the share has fallen sharply over four weeks. Financials: About half its stocks are in an uptrend and the share has fallen sharply over four weeks.
Money in and out
Open-market buys above the line and sales below, in dollars.
Congress and officials
2 disclosed lines: House 1, Senate 0, executive 1; 2 people.
| Who | Did | Amount | Traded |
|---|---|---|---|
| Arjun Mody Executive branch: Office of Government EthicsSocial Security Administration | sold | $1k–$15k | 30 Jan 2026filed 10 Apr 2026 |
| J. French Hill House: U.S. House ClerkAR02 | bought | $50k–$100k | 23 Jun 2025filed 24 Jul 2025 |
Insiders
No open-market buy or sale by its insiders on record.
Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.
Institutions
Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.
| Manager | Shares | Change |
|---|---|---|
| DIMENSIONAL FUND ADVISORS LPadded · filed 11 Aug 2026 | 158,954$329.6M | +2,336+1.5% |
| NEUBERGER BERMAN GROUP LLCreduced · filed 13 Aug 2026 | 119,141$247.0M | -5,574−4.5% |
| BlackRock, Inc.added · filed 7 Aug 2026 | 117,871$244.4M | +4,543+4.0% |
| River Road Asset Management, LLCreduced · filed 17 Jul 2026 | 115,880$240.3M | -4,639−3.8% |
| VANGUARD PORTFOLIO MANAGEMENT LLCreduced · filed 13 Aug 2026 | 111,969$232.2M | -3,584−3.1% |
| VANGUARD CAPITAL MANAGEMENT LLCreduced · filed 13 Aug 2026 | 107,479$222.8M | -1,678−1.5% |
| FULLER & THALER ASSET MANAGEMENT, INC.reduced · filed 12 Aug 2026 | 101,892$211.3M | -2,669−2.6% |
| COOKE & BIELER LPreduced · filed 30 Jul 2026 | 85,120$176.5M | -19,737−18.8% |
| Wallace Capital Management Inc.added · filed 14 Aug 2026 | 80,067$166.0M | +1,272+1.6% |
| FIDUCIARY MANAGEMENT INCreduced · filed 13 Aug 2026 | 66,550$138.0M | -18,516−21.8% |
Everyone who traded it
Same industry
Government contracts
No federal award is tied to it.
From its SEC filings
Analyst forecasts
No analyst forecasts yet.