$WTM
White Mountains Insurance Group Ltd.
XNYS
Why is WTM up today? It is at $2142.59 (+1.45%), and our scanner flagged it 5 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment WTM spikes, and full due diligence on WTM — key stats, earnings, dilution and insider activity. Free.
Get free $WTM alerts the moment volume spikes
Our scanner flagged $WTM 5 times in the last 30 days. Create a free account to track $WTM, build a watchlist, and get instant unusual-volume alerts — plus 5 free premium days, no card needed.
No card · 5 premium days · join 800+ traders
Key Stats
- Price
- $2142.59
- Change today
- +1.45%
- Previous close
- $2111.91
- 52-week range
- $1648.00 – $2333.00
- Market cap
- $5.23B
- Dividend yield
- 0.05% ($1.00)
- Institutional own.
- 99.35%
- Total held
- 100.0%
- Avg daily volume
- 22K
- Exchange
- XNYS
- 5m
- 1.2x
- 15m
- 1.4x
- 1hthin
- 1.2x
- 1D
- 0.0x
Get free WTM + market alerts in your inbox
The top plays and unusual-volume catches our scanner flags, emailed to you. No account needed.
No spam. Unsubscribe anytime. Not investment advice.
Why is $WTM up today?
Here is the latest on WTM from our scanner (live price and day move above). Fresh from the SEC: WHITE MOUNTAINS INSURANCE GROUP LTD filed a Quarterly report (10-Q). A material company disclosure like this is often the real catalyst behind a move of this size.
Likely catalystQuarterly report (10-Q), from the latest SEC filing. Read it →Insiders
Insiders buying9 buys, 0 sells last 3 months (14/12 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Campbell Reid Tarlton Director | Acquired (grant/award) | +135 | added 1.3% | 11K | n/a | May 21, 26 |
Carlson Peter M Director | Acquired (grant/award) | +135 | added 19% | 852 | n/a | May 21, 26 |
Choksi Mary C Director | Acquired (grant/award) | +135 | added 7.3% | 2K | n/a | May 21, 26 |
Chu John Director | Acquired (grant/award) | +135 | added 68% | 335 | n/a | May 21, 26 |
Dillon Margaret Director | Acquired (grant/award) | +135 | added 14% | 1K | n/a | May 21, 26 |
Gelston Philip A Director | Acquired (grant/award) | +135 | added 8.6% | 2K | n/a | May 21, 26 |
Hicks Weston M Director | Acquired (grant/award) | +190 | added 6.9% | 3K | n/a | May 21, 26 |
Shank Suzanne F. Director | Acquired (grant/award) | +135 | added 15% | 1K | n/a | May 21, 26 |
Tanner David Allen Director | Acquired (grant/award) | +135 | added 7.2% | 2K | n/a | May 21, 26 |
Seelig Robert Lawrence Officer | Sold (automatic/other) | -50 | sold 0.3% | 18K | n/a | Mar 19, 26 |
Tanner David Allen Director | Sold (automatic/other) | -225 | sold 11% | 2K | n/a | Mar 4, 26 |
Seelig Robert Lawrence Officer | Acquired (grant/award) | +775 0.03% of company | added 45% | 3K | n/a | Feb 25, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
$WTM Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$WTM Activity
News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.



WTM stock FAQ
Why is $WTM up today?
Here is the latest on WTM from our scanner (live price and day move above). Fresh from the SEC: WHITE MOUNTAINS INSURANCE GROUP LTD filed a Quarterly report (10-Q). A material company disclosure like this is often the real catalyst behind a move of this size.
What is the WTM stock price today?
WTM last traded at $2142.59, up 1.45% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Does WTM pay a dividend?
Yes. WTM currently has a dividend yield of about 0.05% ($1.00 per share per year). Dividend figures can change; this is not investment advice.
Where can I see live WTM alerts?
The WTM Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged WTM 5 times in the last 30 days.
What exchange is WTM on?
WTM (White Mountains Insurance Group Ltd.) trades on XNYS, with a market cap of about $5.23B.
Is WTM good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge WTM for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.