White Mountains Insurance Group Ltd (WTM)
White Mountains sells property and casualty insurance and reinsurance, plus financial services for asset and wealth managers. It last closed at $2319.37 on Nov 2, up 2.20% on the day. WTM reports earnings on Thu, Nov 5, 2026.
Key Stats
Last 12 monthsNot reported for this period.
From WTM's SEC filings, latest 10-Q for the period ending Jun 30, 2026 (filed Aug 6). Last 12 months adds up the four latest quarters.
Earnings
Earnings calendar →Technical Analysis
The stock is 7% above its 20 day and 9% above its 50 day average. It is 8% above its 200 day average, so the longer trend is still up. Momentum is strong (RSI 81), overbought. The nearest support is the Pivot at $2303.87, and the nearest resistance the 52 week high at $2333.00.
| RSI (14) | 80.61 | Overbought above 70 | Overbought |
| MACD | 53.93 | Above its signal line | Bullish |
| Stochastic | 96.2 | Near the top of its range | Overbought |
| ADX (14) | 25.9 | Trending up | |
| Williams %R | -2.3 | Oversold below −80, overbought above −20 | Overbought |
| CCI (20) | 134.5 | Oversold below −100, overbought above 100 | Overbought |
| Rate of change | +7.0% | Change over 10 sessions | Bullish |
| ATR (14) | $42.63 | Typical daily range, 1.8% of price |
| RSI (14) | 66.88 | Strong, overbought above 70 | Neutral |
| MACD | 27.62 | Above its signal line | Bullish |
| Stochastic | 95.3 | Near the top of its range | Overbought |
| ADX (14) | 20.0 | No clear trend | |
| Williams %R | -1.8 | Oversold below −80, overbought above −20 | Overbought |
| CCI (20) | 212.8 | Oversold below −100, overbought above 100 | Overbought |
| Rate of change | +8.6% | Change over 10 sessions | Bullish |
| ATR (14) | $86.44 | Typical daily range, 3.7% of price |
What happened before
See how WTM did after each of today's signals in the past: how often it was higher 10 sessions later, and the typical move, next to its usual record.
Calculated from daily prices after each close. Signals describe the chart, not where the stock will go. Past patterns often fail. Not investment advice.
Seasonality
How WTM has done in each calendar month: the average and median return, how often each month finished higher, and every year since 2006.
Whale Options Flow
90DNo whale options trades in WTM in the last 90 days.
WTM Institutional Ownership
Hedge fund holdings →| # | Fund | Shares | Of company | Value | Change | |
|---|---|---|---|---|---|---|
| 1 | Dimensional Fund Advisors LP | 159K | 6.66% | $329.6M | +2,336 | Added |
| 2 | Neuberger Berman Group LLC | 119K | 4.99% | $247.0M | −5,574 | Trimmed |
| 3 | BlackRock, Inc. | 118K | 4.94% | $244.4M | +4,543 | Added |
| 4 | River Road Asset Management, LLC | 116K | 4.86% | $240.3M | −4,639 | Trimmed |
| 5 | Vanguard Portfolio Management LLC | 112K | 4.69% | $232.2M | −3,584 | Trimmed |
| 6 | Vanguard Capital Management LLC | 107K | 4.50% | $222.8M | −1,678 | Trimmed |
| 7 | Fuller & Thaler Asset Management, Inc. | 102K | 4.27% | $211.3M | −2,669 | Trimmed |
| 8 | Cooke & Bieler LP | 85K | 3.57% | $176.5M | −20K | Trimmed |
| 9 | Wallace Capital Management Inc. | 80K | 3.35% | $166.0M | +1,272 | Added |
| 10 | Fiduciary Management Inc /wi/ | 67K | 2.79% | $138.0M | −19K | Trimmed |
| 11 | Gendell Jeffrey L | 59K | 2.48% | $122.8M | +21K | Added |
| 12 | Boston Partners | 56K | 2.33% | $115.3M | −1,890 | Trimmed |
| 13 | London Co of Virginia | 54K | 2.26% | $112.1M | −3,106 | Trimmed |
| 14 | State Street Corp | 50K | 2.11% | $104.2M | +1,099 | Added |
| 15 | Geode Capital Management, LLC | 49K | 2.07% | $102.5M | +7,293 | Added |
| 16 | Morgan Stanley | 47K | 1.96% | $97.2M | −12K | Trimmed |
| 17 | Reinhart Partners, Llc. | 44K | 1.86% | $92.3M | +7,106 | Added |
| 18 | T. Rowe Price Investment Management, Inc. | 34K | 1.43% | $71K | −7,276 | Trimmed |
| 19 | Lord, Abbett & Co. LLC | 33K | 1.38% | $68K | −281 | Trimmed |
| 20 | American Century Companies Inc | 31K | 1.30% | $64.5M | +23K | Added |
| 21 | Norges Bank | 28K | 1.17% | $58.0M | +28K | New |
| 22 | Cannell & Spears LLC | 28K | 1.16% | $57.2M | −450 | Trimmed |
| 23 | Bank of America Corp /de/ | 25K | 1.05% | $51.9M | −3,330 | Trimmed |
| 24 | Charles Schwab Investment Management Inc | 24K | 0.98% | $48.7M | −736 | Trimmed |
| 25 | Mraz, Amerine & Associates, Inc. | 22K | 0.93% | $46.1M | +39 | Added |
- Norges Bank+28K sh$58.0M
- American Century Companies Inc+23K sh$47.3M
- Gendell Jeffrey L+21K sh$44.4M
- Gotham Asset Management, LLC+8,893 sh$18.4M
- Qube Research & Technologies Ltd+8,657 sh$17.9M
- First Trust Advisors LP+7,546 sh$15.6M
- Cooke & Bieler LP−20K sh−$40.9M
- Fiduciary Management Inc /wi/−19K sh−$38.4M
- Morgan Stanley−12K sh−$25.8M
- Susquehanna International Group, LLP−11K sh−$24.1M
- Select Equity Group, L.P.−11K sh−$23.2M
- Raymond James Financial Inc−9,118 sh−$18.9M
- Cooke & Bieler LPAdded+2,083 shOct 21
- Diversified Management IncNew+1,021 shOct 8
- VIRGINIA RETIREMENT SYSTEMS ET AlAdded+830 shOct 28
- Achmea Investment Management B.V.New+716 shOct 30
- Abn Amro Investment SolutionsNew+665 shOct 21
- Reinhart Partners, Llc.Trimmed−521 shOct 9
- Empirical Financial Services, LLC d.b.a. Empirical Wealth MaNew+502 shOct 27
- Wealth Enhancement Advisory Services, LLCAdded+403 shOct 13
From SEC Form 13F filings by funds managing over $100 million, as of Jun 30, 2026. Changes compare each fund with its own Q1 2026 filing. "Held by funds" adds up the shares every 13F filer reported, over shares outstanding. Filings come up to 45 days after the quarter ends. Not investment advice.
AI Auto Pilots
Paper tradingStreetAlpha runs four autonomous AI traders powered by Anthropic's Claude. Each one reads options flow, dark pool prints, insider filings, sentiment, macro signals and technicals, then makes its own trading decisions in a paper portfolio. Every decision is logged and every trade is tracked, so you can see whether WTM is in one of them and how their past WTM trades turned out.
Macro & Market News
All StreetAlpha news →StreetAlpha hasn't covered WTM in an article yet. Here's the latest on the wider market.
WTM Congress Trades
All congress trades →
| Person | Type | Amount | Traded | Filed | Delay |
|---|---|---|---|---|---|
| Michael McCaulR · TX | Sell | $1K – $15K | Jun 18, 2026 | Jul 13, 2026 | 25 d |
| Arjun ModyExecutive branch | Sell | $1K – $15K | Jan 30, 2026 | Apr 10, 2026 | 70 d |
| Michael McCaulR · TX | Buy | $15K – $50K | Sep 22, 2025 | Oct 10, 2025 | 18 d |
| Michael McCaulR · TX | Sell | $1K – $15K | Aug 21, 2025 | Sep 12, 2025 | 22 d |
| Michael McCaulR · TX | Buy | $15K – $50K | Aug 20, 2025 | Sep 12, 2025 | 23 d |
Members of Congress and senior officials report trades up to 45 days later, as dollar ranges. Filings show a trade happened, not why. Not investment advice.
About White Mountains Insurance Group
White Mountains acquires and runs businesses in insurance, financial services and related sectors. Its main operations include property and casualty insurance and reinsurance, which reaches customers through brokers and wholesalers, and reinsurance for municipal bond guarantees. The company also provides capital solutions to asset and wealth management firms and runs a specialty insurance distribution business. Its principal executive office is in Hanover, New Hampshire.
- Headquarters
- Hanover, NH
- Website
- whitemountains.com ↗