White Mountains Insurance Group Ltd.

WTM | NYSE

Price Alert Chart Builder DCF Calculator

$2,056.85

-$4.45 (-0.22%)

At close: Sep 21, 2026, 4:00 PM ET

$2,056.85

$0 (0.00%)

After-hours: Sep 21, 2026, 6:22 PM ET

Overview Rating Statistics Financials Earnings Analysts Ownership Dividends Profile

Institutions Insiders Congress

Institutional Ownership

Net Outflow

Dollar & Volume Weighted

Total Institutions

368

Total Ownership

86.51%

Capital Flow

-$182.74M

Shares Change

-39.56K

Ownership Distribution

Institutions (86.51%)

Others (13.49%)

Institutional Sentiment

Overall: bullish

Equity Sentiment & Activity

bullish

New Positions

Increased Positions

169

Reduced Positions

111

Closed Positions

New (48)

Increased (169)

Reduced (111)

Closed (34)

Super Investors

3 Investors

Super Investor / Fund	Ownership	Portfolio Weight	Shares	Market Value
Joel Greenblatt Gotham Asset Management LLC	0.70% +98.30%	0.09%	17.94K	36.98M
Mason Hawkins Southeastern Asset Management Inc	0.67% -9.33%	2.04%	17.1K	35.26M
Charles Brandes Brandes Investment Partners LP	0.03% +0.43%	0.01%	701	1.44M

Top Shareholders

Top 10 Own 43.58%

Institution	Ownership	Portfolio Weight	Shares	Market Value
Dimensional Fund Advisors LP	6.13% +0.01%	0.07% +4.71%	156.62K +0.01%	344.08M +5.73%
Neuberger Berman Group LLC	4.88% -3.81%	0.21% +3.96%	124.72K -3.81%	273.99M +1.70%
River Road Asset Management, LLC	4.72% -0.30%	3.00% +8.94%	120.52K -0.30%	264.78M +5.41%

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