White Mountains Insurance Group Ltd

Institutional holders · 13F as of Dec 31, 2025

Holder	Value	Shares	% of shares
Brandywine Global Investment Management, LLC	$6.70M	3,226	0.14%
FIRST TRUST ADVISORS LP	$6.72M	3,058	0.13%
Creative Planning	$7.10M	3,415	0.14%
Nuveen, LLC	$7.22M	3,475	0.15%
Cerity Partners LLC	$7.36M	3,543	0.15%
DARK FOREST CAPITAL MANAGEMENT LP	$7.51M	3,615	0.15%
MARSHALL WACE, LLP	$8.52M	3,878	0.16%
RHUMBLINE ADVISERS	$9.08M	4,132	0.17%
Phocas Financial Corp.	$9.43M	4,292	0.18%
Swiss National Bank	$10.57M	5,086	0.21%
Williams Jones Wealth Management, LLC.	$10.79M	5,193	0.22%
THE GOLDMAN SACHS GROUP, INC.	$10.93M	5,260	0.22%
ROYCE & ASSOCIATES LP	$12.36M	5,947	0.25%
UBS Group AG	$12.47M	6,001	0.25%
WCM Investment Management, LLC	$13.15M	5,995	0.25%
Hotchkis and Wiley Capital Management, LLC	$13.29M	6,048	0.25%
Gotham Asset Management, LLC	$13.96M	6,716	0.28%
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	$13.96M	6,716	0.28%
BNP PARIBAS FINANCIAL MARKETS	$14.55M	6,623	0.28%
Quantinno Capital Management LP	$15.11M	7,271	0.30%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	$15.91M	7,655	0.32%
SEI INVESTMENTS CO	$16.45M	7,916	0.33%
AQR Capital Management, LLC	$17.00M	7,738	0.32%
Bank of New York Mellon Corp/The	$18.55M	8,444	0.35%
WELLS FARGO & COMPANY/MN	$18.99M	9,141	0.38%
D. E. Shaw & Co., Inc.	$19.57M	8,910	0.37%
Victory Capital Management, Inc.	$22.15M	10,684	0.45%
ELKHORN PARTNERS LIMITED PARTNERSHIP	$28.26M	13,598	0.57%
HORIZON KINETICS ASSET MANAGEMENT LLC	$28.81M	13,112	0.55%
ENVESTNET ASSET MANAGEMENT INC	$32.83M	15,798	0.66%
Wellington Management Group LLP	$33.10M	15,928	0.67%
NORTHERN TRUST CORP	$34.63M	16,667	0.70%
BROWN ADVISORY INC	$39.20M	17,844	0.75%
Select Equity Group, L.P.	$40.96M	19,713	0.83%
Allspring Global Investments Holdings, LLC	$41.23M	20,193	0.85%
Mraz, Amerine & Associates, Inc.	$47.02M	22,629	0.95%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	$48.29M	23,238	0.97%
RAYMOND JAMES FINANCIAL INC	$49.81M	23,969	1.00%
Cannell & Spears LLC	$58.42M	28,115	1.18%
BANK OF AMERICA CORP /DE	$59.87M	28,809	1.21%
SOUTHEASTERN ASSET MANAGEMENT INC/TN	$65.77M	31,652	1.33%
Norges Bank	$66.88M	32,184	1.35%
REINHART PARTNERS, LLC.	$82.15M	37,374	1.57%
Jeffrey L. Gendell	$83.08M	37,814	1.58%
GEODE CAPITAL MANAGEMENT, LLC	$92.56M	42,119	1.76%
STATE STREET CORPORATION	$104.20M	50,257	2.11%
LONDON CO OF VIRGINIA	$125.54M	57,131	2.39%
Boston Partners	$126.22M	57,459	2.41%
Wallace Capital Management Inc.	$166.96M	80,347	3.37%
Morgan Stanley	$170.72M	82,151	3.44%