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White Mountains Insurance Group, Ltd. WTM

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2,347.02 USD +60.48 (+2.65%)

Nov 4, 2026, 1:18 PM EST

2,198.80 Day range 2,374.19

1,870.00 52-week range 2,374.19

YTD: +12.94%
1 year: +22.20%

Funds holding WTM, by value held
Fund	Value held	Weight in fund
VTI	$142.99M	0.01%
DFSV	$108.25M	0.39%
VB	$102.31M	0.06%
AVUV	$85.73M	0.26%
VASVX	$81.99M	1.23%
DFAT	$77.96M	0.25%
VBR	$66.65M	0.10%
DFAS	$54.99M	0.16%
VXF	$52.87M	0.06%
SCHA	$29.06M	0.13%
DFAC	$28.15M	0.03%
IWR	$23.48M	0.04%
VMVFX	$22.70M	1.15%
FSMAX	$21.34M	0.06%
NIZ	$20.00M	0.04%
FXO	$19.30M	1.79%
FSMDX	$18.25M	0.04%
FNDA	$16.13M	0.18%
ZHOK	$14.56M	1.30%
DCOR	$14.03M	0.03%

Held by insiders 3.22%

Held by institutions 96.79%

Float held by institutions 100.02%

Institutions 476

Top institutional holders
Holder	% held	Shares	Value	Reported
Dimensional Fund Advisors LP	6.66%	158,954	363.25M	Jun 29, 2026
Neuberger Berman Group, LLC	4.99%	119,141	272.27M	Jun 29, 2026
Blackrock Inc.	4.94%	117,871	269.37M	Jun 29, 2026
River Road Asset Management, LLC	4.86%	115,880	264.82M	Jun 29, 2026
Vanguard Portfolio Management LLC	4.69%	111,969	255.88M	Jun 29, 2026
Vanguard Capital Management LLC	4.50%	107,479	245.62M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
UNDISCOVERED MANAGERS Fd.S-Undiscovered Managers Behavioral Value Fd.	3.46%	82,474	188.48M	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.13%	74,657	170.61M	Jun 29, 2026
NEUBERGER BERMAN EQUITY FUNDS-Neuberger Genesis Fund	2.88%	68,664	156.92M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	2.26%	53,965	123.32M	Jun 29, 2026
VANGUARD WHITEHALL FUNDS-Vanguard Selected Value Fund	1.46%	34,926	79.82M	Jul 30, 2026
American Century ETF Trust-Avantis U.S. Small Cap Value ETF	1.46%	34,946	79.86M	Sep 29, 2026

WTM insiders
Insider	Relation	Latest transaction	Date	Shares held
CAFFREY LIAM P	Chief Executive Officer	Stock Award(Grant)	Feb 24, 2026	5,313
CAMPBELL REID TARLTON	Director	Stock Award(Grant)	May 20, 2026	10,694
CHOKSI MARY C	Director	Stock Award(Grant)	May 20, 2026	1,993
HARRISON GILES E.	President	Stock Award(Grant)	Feb 24, 2026	2,677
HICKS WESTON M	Director	Stock Award(Grant)	May 20, 2026	2,936
HILDRETH MICHAELA	Officer	Stock Award(Grant)	Feb 24, 2026	4,336