Stock listing
NYSE:WTM White Mountains Insurance Group, Ltd. Stock
Home listing (NYSE) of White Mountains Insurance Group, Ltd.
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Share price · NYSE:WTM
$2,213.61 USD +46.49 (+2.1%)
Close on Oct 20, 2026
- Day range
- $2,179.00 – $2,236.12 USDOct 20, 2026
- Volume
- 27,530 sharesOct 20, 2026
- Market cap
- $5.28B USDAt the close on Oct 20, 2026 · price × 2.39M shares outstanding
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NYSE:WTM · Home | $2,213.61 USD | +46.49 (+2.1%) | 27,530 | $2,179.00 | $2,236.12 | $2,179.00 | $2,167.12 | Close on Oct 20, 2026 |
| Frankfurt:WNI | €1,850.00 EUR | -20.00 (-1.1%) | — | €1,850.00 | €1,850.00 | €1,850.00 | €1,870.00 | Close on Oct 20, 2026 |
Daily closes
Last 3 months, Jul 20, 2026 – Oct 20, 2026 · NYSE:WTM · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $2,213.61 | +46.49 | +2.1% | $2,179.00 | $2,236.12 | $2,179.00 | 27,530 | |
| $2,167.12 | +6.81 | +0.3% | $2,147.10 | $2,177.63 | $2,147.10 | 16,977 | |
| $2,160.31 | +16.58 | +0.8% | $2,146.23 | $2,172.04 | $2,137.93 | 21,808 | |
| $2,143.73 | +45.72 | +2.2% | $2,124.97 | $2,151.10 | $2,109.00 | 30,233 | |
| $2,098.01 | +4.88 | +0.2% | $2,100.30 | $2,106.61 | $2,069.25 | 18,900 | |
| $2,093.13 | +6.37 | +0.3% | $2,100.63 | $2,101.50 | $2,079.04 | 16,099 | |
| $2,086.76 | +26.13 | +1.3% | $2,069.07 | $2,098.45 | $2,064.96 | 24,569 | |
| $2,060.63 | +0.86 | 0.0% | $2,059.07 | $2,066.63 | $2,046.41 | 20,163 | |
| $2,059.77 | +28.27 | +1.4% | $2,036.57 | $2,064.04 | $2,020.11 | 18,733 | |
| $2,031.50 | -5.75 | -0.3% | $2,064.01 | $2,064.01 | $2,029.36 | 20,400 | |
| $2,037.25 | +17.81 | +0.9% | $2,015.64 | $2,038.78 | $2,008.99 | 18,800 | |
| $2,019.44 | -1.48 | -0.1% | $2,031.81 | $2,046.09 | $2,019.44 | 20,400 | |
| $2,020.92 | +7.88 | +0.4% | $2,012.30 | $2,034.90 | $2,002.29 | 16,300 | |
| $2,013.04 | +6.55 | +0.3% | $1,999.98 | $2,023.86 | $1,999.22 | 14,200 | |
| $2,006.49 | -15.02 | -0.7% | $2,028.44 | $2,028.44 | $1,997.13 | 15,700 | |
| $2,021.51 | +6.54 | +0.3% | $2,010.77 | $2,028.01 | $2,002.61 | 12,800 | |
| $2,014.97 | -13.65 | -0.7% | $2,035.50 | $2,035.50 | $2,000.84 | 15,100 | |
| $2,028.62 | -0.71 | 0.0% | $2,047.99 | $2,049.99 | $2,018.27 | 9,200 | |
| $2,029.33 | -2.68 | -0.1% | $2,056.01 | $2,056.01 | $2,029.33 | 11,000 | |
| $2,032.01 | -21.63 | -1.1% | $2,049.76 | $2,069.89 | $2,028.11 | 12,900 | |
| $2,053.64 | -3.21 | -0.2% | $2,056.85 | $2,067.18 | $2,037.58 | 16,123 | |
| $2,056.85 | -4.45 | -0.2% | $2,062.78 | $2,076.53 | $2,049.62 | 18,125 | |
| $2,061.30 | +2.98 | +0.1% | $2,052.91 | $2,084.14 | $2,029.15 | 39,107 | |
| $2,058.32 | -4.05 | -0.2% | $2,075.00 | $2,088.29 | $2,039.97 | 23,700 | |
| $2,062.37 | +16.43 | +0.8% | $2,041.02 | $2,074.41 | $2,040.01 | 33,000 | |
| $2,045.94 | -11.06 | -0.5% | $2,057.63 | $2,057.63 | $2,027.64 | 19,700 | |
| $2,057.00 | +3.85 | +0.2% | $2,068.77 | $2,070.02 | $2,045.03 | 17,300 | |
| $2,053.15 | -22.84 | -1.1% | $2,086.68 | $2,098.40 | $2,042.59 | 20,100 | |
| $2,075.99 | +25.18 | +1.2% | $2,062.20 | $2,084.13 | $2,043.15 | 30,100 | |
| $2,050.81 | -1.67 | -0.1% | $2,051.63 | $2,055.70 | $2,037.00 | 16,400 | |
| $2,052.48 | -51.01 | -2.4% | $2,083.32 | $2,091.42 | $2,050.01 | 27,100 | |
| $2,103.49 | -8.74 | -0.4% | $2,100.00 | $2,117.80 | $2,073.35 | 24,900 | |
| $2,112.23 | +7.48 | +0.4% | $2,115.00 | $2,139.89 | $2,081.01 | 21,800 | |
| $2,104.75 | +5.79 | +0.3% | $2,099.03 | $2,129.10 | $2,088.33 | 20,100 | |
| $2,098.96 | -3.05 | -0.1% | $2,107.85 | $2,125.76 | $2,093.43 | 22,100 | |
| $2,102.01 | -33.40 | -1.6% | $2,130.43 | $2,135.00 | $2,093.55 | 21,800 | |
| $2,135.41 | +7.84 | +0.4% | $2,133.03 | $2,150.00 | $2,117.49 | 18,400 | |
| $2,127.57 | -5.17 | -0.2% | $2,125.01 | $2,145.00 | $2,105.61 | 23,500 | |
| $2,132.74 | -8.46 | -0.4% | $2,134.74 | $2,165.00 | $2,126.92 | 16,100 | |
| $2,141.20 | +8.90 | +0.4% | $2,135.75 | $2,146.04 | $2,120.00 | 13,653 | |
| $2,132.30 | +21.35 | +1.0% | $2,100.08 | $2,146.50 | $2,100.08 | 19,598 | |
| $2,110.95 | -6.75 | -0.3% | $2,101.86 | $2,140.30 | $2,101.86 | 28,900 | |
| $2,117.70 | -11.50 | -0.5% | $2,123.90 | $2,131.84 | $2,095.01 | 21,900 | |
| $2,129.20 | -16.26 | -0.8% | $2,130.79 | $2,150.84 | $2,107.66 | 20,000 | |
| $2,145.46 | +32.06 | +1.5% | $2,125.49 | $2,157.70 | $2,090.00 | 22,586 | |
| $2,113.40 | -23.72 | -1.1% | $2,130.23 | $2,145.48 | $2,107.78 | 17,251 | |
| $2,137.12 | -4.30 | -0.2% | $2,137.82 | $2,145.00 | $2,121.09 | 14,300 | |
| $2,141.42 | +21.96 | +1.0% | $2,115.01 | $2,141.76 | $2,096.72 | 28,700 | |
| $2,119.46 | +7.45 | +0.4% | $2,134.01 | $2,152.19 | $2,094.04 | 27,100 | |
| $2,112.01 | +2.33 | +0.1% | $2,112.16 | $2,126.99 | $2,093.63 | 21,100 | |
| $2,109.68 | -39.76 | -1.8% | $2,148.61 | $2,172.18 | $2,107.87 | 27,200 | |
| $2,149.44 | +8.35 | +0.4% | $2,132.00 | $2,168.31 | $2,112.60 | 30,200 | |
| $2,141.09 | +29.18 | +1.4% | $2,137.73 | $2,151.20 | $2,112.92 | 28,900 | |
| $2,111.91 | -5.95 | -0.3% | $2,136.50 | $2,136.50 | $2,095.43 | 19,300 | |
| $2,117.86 | +16.39 | +0.8% | $2,098.30 | $2,127.88 | $2,070.00 | 23,700 | |
| $2,101.47 | +3.74 | +0.2% | $2,119.19 | $2,136.00 | $2,086.77 | 19,900 | |
| $2,097.73 | -20.88 | -1.0% | $2,105.57 | $2,129.32 | $2,084.99 | 12,700 | |
| $2,118.61 | -31.73 | -1.5% | $2,151.30 | $2,151.30 | $2,087.20 | 19,100 | |
| $2,150.34 | -52.27 | -2.4% | $2,186.21 | $2,211.00 | $2,125.64 | 21,200 | |
| $2,202.61 | +8.67 | +0.4% | $2,175.60 | $2,218.61 | $2,171.30 | 17,200 | |
| $2,193.94 | -14.11 | -0.6% | $2,201.75 | $2,231.00 | $2,182.58 | 18,600 | |
| $2,208.05 | +31.20 | +1.4% | $2,178.36 | $2,233.66 | $2,158.61 | 11,800 | |
| $2,176.85 | -5.47 | -0.3% | $2,176.75 | $2,208.00 | $2,146.51 | 12,500 | |
| $2,182.32 | -10.94 | -0.5% | $2,192.00 | $2,211.04 | $2,161.29 | 16,100 | |
| $2,193.26 | -17.96 | -0.8% | $2,201.51 | $2,222.50 | $2,167.98 | 13,500 | |
| $2,211.22 | -0.30 | 0.0% | $2,214.50 | $2,249.05 | $2,209.73 | 16,100 |
- Ticker
- NYSE:WTM
- Asset type
- Stock
- Exchange
- NYSE
- Currency
- USD
What changed lately
Latest news release · Aug 28, 2026
Initial Statement of Beneficial Ownership (Form 3)
Latest earnings call · Feb 23, 2026
White Mountains Insurance Group (NYSE:WTM) Q4 2025 Earnings Call
Replay and transcript
Latest deck · Jun 5, 2026
Investor Presentation (June 2026)
Investor deck · 86 slides
Calls
Replays
White Mountains Insurance Group (NYSE:WTM) Q4 2025 Earnings Call
Mon, Feb 23, 2026 · 5:00 PM ET
Watch Transcript
Latest news
Initial Statement of Beneficial Ownership (Form 3)
Aug 28, 2026
Closed $2,135.41 (+0.4%) on Aug 28, 2026
Stephen Klar Elected to the White Mountains Board
Aug 27, 2026
Closed $2,127.57 (-0.2%) on Aug 27, 2026
White Mountains: Q2 Earnings Snapshot
Aug 6, 2026
Closed $2,141.09 (+1.4%) on Aug 6, 2026
Decks
Investor Presentation (June 2026)
Investor deck · 86 slides · Jun 5, 2026
Investor Presentation (June 2025)
Investor deck · 70 slides · Jun 6, 2025
Investor Presentation (June 2024)
Investor deck · 63 slides · Jun 7, 2024
Investor Presentation (June 2023)
Investor deck · 58 slides · Jun 6, 2023
White Mountains Insurance Group, Ltd. on 6ix
- News releases
- 18 in the last 12 months · 26 in all · newest Aug 28, 2026 · oldest 2022
- Calls
- 1 call with a replay · 1 with a transcript · latest Feb 23, 2026
- Decks
- 17 decks · latest Jun 5, 2026
Where White Mountains Insurance Group, Ltd. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NYSE:WTM · Home listing · This page | NYSE | United States | USD |
| LS Exchange:870243 | LS Exchange | Germany | EUR |
| Frankfurt:WNI | Frankfurt | Germany | EUR |
| Lang & Schwarz:870243 | Lang & Schwarz | Germany | EUR |
| BOATS:WTM | BOATS | United States | USD |
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