White Mountains Insurance Group Ltd
WTM1901.760USD
-6.700-0.35%
Close 11/10, 16:00（ET）Quotes delayed by 15 min
4.90BMarket Cap
35.01P/E TTM
More Details of White Mountains Insurance Group Ltd Company
White Mountains Insurance Group, Ltd. is a financial services holding company. The Company operates through four segments: Ark/WM Outrigger, HG Global/BAM, Kudu and Bamboo. The Ark/WM Outrigger segment is engaged in specialty property and casualty insurance and reinsurance business that offers a range of niche insurance and reinsurance products, including property, specialty, marine and energy, accident and health, and casualty. The HG Global/BAM segment is engaged in the mutual municipal bond insurance business in the United States. The Kudu segment provides capital solutions for boutique asset and wealth managers for a variety of purposes including generational ownership transfers, management buyouts, acquisition and growth finance and legacy partner liquidity. The Bamboo segment includes capital-light, tech- and data-enabled insurance distribution platform, which provides homeowners' insurance and related products to the residential property market in California.
White Mountains Insurance Group Ltd Info
Ticker SymbolWTM
Company nameWhite Mountains Insurance Group Ltd
IPO dateOct 23, 1985
CEOMr. George Manning Rountree
Number of employees893
Security typeOrdinary Share
Fiscal year-endOct 23
Address23 South Main Street
CityHANOVER
Stock exchangeNYSE Consolidated
CountryUnited States of America
Postal code03755
Phone16036402200
Websitehttps://www.whitemountains.com/
Ticker SymbolWTM
IPO dateOct 23, 1985
CEOMr. George Manning Rountree
Company Executives of White Mountains Insurance Group Ltd
Name
Name/Position
Position
Shareholding
Change
Mr. George Manning Rountree
Mr. George Manning Rountree
Chief Executive Officer, Director
Chief Executive Officer, Director
24.36K
+0.01%
Mr. Liam P. Caffrey
Mr. Liam P. Caffrey
Chief Executive Officer, Director
Chief Executive Officer, Director
4.24K
+0.05%
Mr. Weston M. Hicks
Mr. Weston M. Hicks
Independent Chairman of the Board
Independent Chairman of the Board
2.75K
+8.28%
Mr. David Allen Tanner, J.D.
Mr. David Allen Tanner, J.D.
Independent Deputy Chairman of the Board
Independent Deputy Chairman of the Board
2.11K
+7.66%
Ms. Mary C. Choksi
Ms. Mary C. Choksi
Independent Director
Independent Director
1.86K
+8.78%
Ms. Margaret Dillon
Ms. Margaret Dillon
Independent Director
Independent Director
945.00
+18.87%
Ms. Suzanne F. Shank
Ms. Suzanne F. Shank
Independent Director
Independent Director
871.00
+20.80%
Mr. Steven M. Yi
Mr. Steven M. Yi
Director
Director
--
--
Mr. Philip A. Gelston
Mr. Philip A. Gelston
Independent Director
Independent Director
--
--
Mr. Peter M. (Pete) Carlson, CPA
Mr. Peter M. (Pete) Carlson, CPA
Independent Director
Independent Director
--
--
View more
Name
Name/Position
Position
Shareholding
Change
Mr. George Manning Rountree
Mr. George Manning Rountree
Chief Executive Officer, Director
Chief Executive Officer, Director
24.36K
+0.01%
Mr. Liam P. Caffrey
Mr. Liam P. Caffrey
Chief Executive Officer, Director
Chief Executive Officer, Director
4.24K
+0.05%
Mr. Weston M. Hicks
Mr. Weston M. Hicks
Independent Chairman of the Board
Independent Chairman of the Board
2.75K
+8.28%
Mr. David Allen Tanner, J.D.
Mr. David Allen Tanner, J.D.
Independent Deputy Chairman of the Board
Independent Deputy Chairman of the Board
2.11K
+7.66%
Ms. Mary C. Choksi
Ms. Mary C. Choksi
Independent Director
Independent Director
1.86K
+8.78%
Ms. Margaret Dillon
Ms. Margaret Dillon
Independent Director
Independent Director
945.00
+18.87%
Revenue Breakdown
No Data
No Data
By Business
By Region
No Data
Shareholding Stats
Updated: Wed, Aug 6
Updated: Wed, Aug 6
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
The Vanguard Group, Inc.
9.78%
Dimensional Fund Advisors, L.P.
6.18%
River Road Asset Management, LLC
4.36%
Cooke & Bieler, L.P.
4.28%
Fuller & Thaler Asset Management Inc.
4.01%
Other
71.40%
Shareholders
Shareholders
Proportion
The Vanguard Group, Inc.
9.78%
Dimensional Fund Advisors, L.P.
6.18%
River Road Asset Management, LLC
4.36%
Cooke & Bieler, L.P.
4.28%
Fuller & Thaler Asset Management Inc.
4.01%
Other
71.40%
Shareholder Types
Shareholders
Proportion
Investment Advisor
51.83%
Investment Advisor/Hedge Fund
38.48%
Individual Investor
3.26%
Research Firm
1.98%
Sovereign Wealth Fund
1.20%
Hedge Fund
1.16%
Pension Fund
0.96%
Bank and Trust
0.32%
Family Office
0.04%
Other
0.79%
Institutional Shareholding
Updated: Wed, Oct 1
Updated: Wed, Oct 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2025Q3
586
2.44M
96.72%
-1.75K
2025Q2
586
2.49M
96.69%
-7.87K
2025Q1
596
2.48M
96.32%
+7.22K
2024Q4
591
2.43M
94.79%
-15.58K
2024Q3
575
2.37M
92.19%
-102.61K
2024Q2
570
2.43M
96.05%
-186.02K
2024Q1
553
2.41M
94.27%
-175.47K
2023Q4
535
2.39M
93.17%
-210.78K
2023Q3
522
2.40M
93.55%
-173.80K
2023Q2
515
2.37M
92.45%
-213.48K
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
The Vanguard Group, Inc.
248.58K
9.78%
-946.00
-0.38%
Jun 30, 2025
Dimensional Fund Advisors, L.P.
155.75K
6.13%
-864.00
-0.55%
Jun 30, 2025
River Road Asset Management, LLC
109.89K
4.32%
+227.00
+0.21%
Jun 30, 2025
Cooke & Bieler, L.P.
76.78K
3.02%
+22.13K
+40.49%
Jun 30, 2025
Fuller & Thaler Asset Management Inc.
100.98K
3.97%
-9.11K
-8.27%
Jun 30, 2025
Atlanta Capital Management Company, L.L.C.
99.56K
3.92%
-6.31K
-5.96%
Jun 30, 2025
BlackRock Institutional Trust Company, N.A.
98.50K
3.87%
-2.12K
-2.11%
Jun 30, 2025
Boston Partners
89.39K
3.52%
+4.16K
+4.88%
Jun 30, 2025
Neuberger Berman, LLC
83.70K
3.29%
+26.84K
+47.19%
Jun 30, 2025
Wallace Capital Management Inc.
79.04K
3.11%
-895.00
-1.12%
Jun 30, 2025
View more
Related ETFs
Updated: Thu, Nov 6
Updated: Thu, Nov 6
Name
Proportion
Neuberger Berman Small-Mid Cap ETF
1.88%
SPDR S&P Insurance ETF
1.76%
Themes US Small Cap Cash Flow Champions ETF
1.24%
Brandes US Small-Mid Cap Value ETF
0.82%
iShares MSCI USA Small-Cap Min Vol Factor ETF
0.74%
Royce Quant Small-Cap Quality Value ETF
0.51%
iShares U.S. Insurance ETF
0.49%
Unusual Whales Subversive Republican Trading ETF
0.47%
FlexShares US Quality Low Volatility Index Fund
0.46%
AGF US Market Neutral Anti-Beta Fund
0.44%
View more
Neuberger Berman Small-Mid Cap ETF
Proportion1.88%
SPDR S&P Insurance ETF
Proportion1.76%
Themes US Small Cap Cash Flow Champions ETF
Proportion1.24%
Brandes US Small-Mid Cap Value ETF
Proportion0.82%
iShares MSCI USA Small-Cap Min Vol Factor ETF
Proportion0.74%
Royce Quant Small-Cap Quality Value ETF
Proportion0.51%
iShares U.S. Insurance ETF
Proportion0.49%
Unusual Whales Subversive Republican Trading ETF
Proportion0.47%
FlexShares US Quality Low Volatility Index Fund
Proportion0.46%
AGF US Market Neutral Anti-Beta Fund
Proportion0.44%
Dividend
A total of
14.40M
USD has been distributed in dividends over the past 5 years.
Date
Dividend
Record Date
Payment Date
Ex-dividend Date
Feb 28, 2025
WTM.NB Final Cash Dividend of gross USD 1 paid on Mar 26, 2025 going ex on Mar 17, 2025
Mar 17, 2025
Mar 26, 2025
Mar 17, 2025
Feb 23, 2024
WTM.NB Final Cash Dividend of gross USD 1 paid on Mar 20, 2024 going ex on Mar 08, 2024
Mar 11, 2024
Mar 20, 2024
Mar 08, 2024
Feb 24, 2023
WTM.NB Final Cash Dividend of gross USD 1 paid on Mar 22, 2023 going ex on Mar 10, 2023
Mar 13, 2023
Mar 22, 2023
Mar 10, 2023
Feb 25, 2022
WTM.NB Final Cash Dividend of gross USD 1 paid on Mar 23, 2022 going ex on Mar 11, 2022
Mar 14, 2022
Mar 23, 2022
Mar 11, 2022
Feb 26, 2021
WTM.NB Final Cash Dividend of gross USD 1 paid on Mar 24, 2021 going ex on Mar 12, 2021
Mar 15, 2021
Mar 24, 2021
Mar 12, 2021
Feb 28, 2020
WTM.NB Final Cash Dividend of gross USD 1 paid on Mar 25, 2020 going ex on Mar 13, 2020
Mar 16, 2020
Mar 25, 2020
Mar 13, 2020
Stock Split
Date
Type
Ratio
No Data
Date
Type
Ratio
No Data
