White Mountains Insurance (WTM) Shares Outstanding (2009 - 2026)
White Mountains Insurance (WTM) posted Shares Outstanding of 2.44 million for Q2 2026, down 5.2% from 2.57 million a year earlier and down 1.4% from the prior quarter.
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Analysis
White Mountains Insurance (WTM) Shares Outstanding (2009 - 2026) Analysis & Trends
For FY2025, White Mountains Insurance's Shares Outstanding came in at 2.57 million, unchanged from FY2024.
- Annual Shares Outstanding shows a five-year compound annual growth rate of -3.9% (FY2020 to FY2025).
- In prior years, White Mountains Insurance's Shares Outstanding was 2.57 million in FY2024 (+0.1%), 2.56 million in FY2023 (-10.4%), 2.86 million in FY2022 (-7.0%) and 3.08 million in FY2021 (-1.4%).
- The Q2 2026 figure stands as the lowest quarterly Shares Outstanding in data going back to Q4 2009.
- On a year-over-year basis, Shares Outstanding increased in five of the last eight quarters, with an average decline of 1.0%.
- The strongest year-over-year quarter for Shares Outstanding in the past five years was Q2 2025, with growth of 0.3%; the weakest was Q1 2023, with a decline of 14.5%.
- According to Business Quant data, Shares Outstanding for the three prior quarters was 2.47 million (Q1 2026), 2.57 million (Q4 2025) and 2.58 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Qtr) |
|---|---|---|---|---|---|
| 1 | Berkshire Hathaway | 1,073.91 Bn | -343.57 Bn | 55.86 Bn | 1.44 Mn |
| 2 | Chubb | 125.44 Bn | 77.50 Bn | 9.13 Bn | 387.41 Mn |
| 3 | Progressive | 120.54 Bn | 96.37 Bn | 9.04 Bn | 583.00 Mn |
| 4 | Marsh & Mclennan Companies | 81.59 Bn | 73.34 Bn | - | 480.00 Mn |
| 5 | Travelers Companies | 74.40 Bn | 50.64 Bn | 6.23 Bn | 210.50 Mn |
| 6 | Manulife Financial | 72.53 Bn | 73.74 Bn | - | 1.70 Bn |
| 7 | Metlife | 60.06 Bn | -46.42 Bn | 7.82 Bn | 642.60 Mn |
| 8 | Aon | 58.71 Bn | 51.95 Bn | - | 213.20 Mn |
| 9 | Arthur J. Gallagher | 58.49 Bn | 52.93 Bn | - | 256.70 Mn |
| 10 | White Mountains Insurance | 4.79 Bn | -5.89 Bn | 764.50 Mn | 2.44 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 2.44 Mn |
| Mar 31, 2026 | 2.47 Mn |
| Dec 31, 2025 | 2.57 Mn |
| Sep 30, 2025 | 2.58 Mn |
| Jun 30, 2025 | 2.57 Mn |
| Mar 31, 2025 | 2.57 Mn |
| Dec 31, 2024 | 2.57 Mn |
| Sep 30, 2024 | 2.57 Mn |
| Jun 30, 2024 | 2.57 Mn |
| Mar 31, 2024 | 2.56 Mn |
| Dec 31, 2023 | 2.56 Mn |
| Sep 30, 2023 | 2.56 Mn |
| Jun 30, 2023 | 2.56 Mn |
| Mar 31, 2023 | 2.57 Mn |
| Dec 31, 2022 | 2.86 Mn |
| Sep 30, 2022 | 2.89 Mn |
| Jun 30, 2022 | 2.98 Mn |
| Mar 31, 2022 | 3.01 Mn |
| Dec 31, 2021 | 3.08 Mn |
| Sep 30, 2021 | 3.09 Mn |
API Access
White Mountains Insurance Shares Outstanding API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=shares-outstanding&ticker=WTM&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding", "ticker": "WTM", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding&ticker=WTM&period=max&api_key=YOUR_API_KEY");
const data = await res.json();