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White Mountains Insurance

324 hedge funds and large institutions have $4.43B invested in White Mountains Insurance in 2024 Q4 according to their latest regulatory filings, with 40 funds opening new positions, 112 increasing their positions, 83 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

186% more first-time investments, than exits

New positions opened: 40 | Existing positions closed: 14

35% more repeat investments, than reductions

Existing positions increased: 112 | Existing positions reduced: 83

20% more funds holding in top 10

Funds holding in top 10: 56 (+1)

17% more capital invested

Capital invested by funds: $3.78B → $4.43B (+$652M)

7% more funds holding

Funds holding: 304324 (+20)

1.21% more ownership

Funds ownership: 87.4%88.61% (+1.2%)

Holders
324
Holders Change
+20
Holders Change %
+6.58%
% of All Funds
4.27%
Holding in Top 10
6
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+20%
% of All Funds
0.08%
New
40
Increased
112
Reduced
83
Closed
14
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Brown Advisory
26
Brown Advisory
Maryland
$43.6M -$1.38M -728 -3%
MAA
27
Mraz Amerine & Associates
California
$41M -$244K -129 -0.6%
First Trust Advisors
28
First Trust Advisors
Illinois
$39.3M +$17.6M +9,308 +85%
Robeco Institutional Asset Management
29
Robeco Institutional Asset Management
Netherlands
$37.8M -$1.7M -899 -4%
SAM
30
Southeastern Asset Management
Tennessee
$37.4M -$2.82M -1,494 -7%
Northern Trust
31
Northern Trust
Illinois
$35.1M +$3.7M +1,957 +12%
Envestnet Asset Management
32
Envestnet Asset Management
Illinois
$31.9M +$450K +238 +1%
EP
33
Elkhorn Partners
Nebraska
$29.3M -$2.07M -1,095 -7%
Bank of New York Mellon
34
Bank of New York Mellon
New York
$24.5M +$3.26M +1,728 +16%
California Public Employees Retirement System
35
California Public Employees Retirement System
California
$24.2M -$1.45M -766 -6%
RA
36
Royce & Associates
New York
$23.9M -$4.08M -2,161 -15%
WCM Investment Management
37
WCM Investment Management
California
$22.5M +$22M +11,651 New
Victory Capital Management
38
Victory Capital Management
Texas
$22.5M +$9.82M +5,195 +82%
STCG
39
Speece Thorson Capital Group
Minnesota
$22.1M -$110K -58 -0.5%
TSW
40
Thompson Siegel & Walmsley
Virginia
$19.9M -$221K -117 -1%
UBS AM
41
UBS AM
Illinois
$19.7M +$4.66M +2,464 +32%
HKAM
42
Horizon Kinetics Asset Management
New York
$19.6M +$5.58M +2,951 +41%
AQR Capital Management
43
AQR Capital Management
Connecticut
$19.6M -$1.45M -766 -7%
PL
44
Perpetual Ltd
Australia
$18.7M -$189K -100 -1%
Wells Fargo
45
Wells Fargo
California
$18.6M -$66.1K -35 -0.4%
GKIM
46
GW&K Investment Management
Massachusetts
$16.4M +$1.63M +865 +11%
N
47
Nuveen
North Carolina
$15.1M -$9.45K -5 -0.1%
Hotchkis & Wiley Capital Management
48
Hotchkis & Wiley Capital Management
California
$14.3M +$1.15M +610 +9%
APF
49
Alaska Permanent Fund
Alaska
$11.5M
PFC
50
Phocas Financial Corp
California
$11.1M +$10.8M +5,702 New

WTM Hedge Fund Activity: Q4 2024 in Review

324 of the 7,592 institutional investors tracked by Wall St. Rank reported a position in White Mountains Insurance (WTM) for Q4 2024, worth a combined $4.43B — up 17% from $3.78B a quarter earlier.

Buyers outnumbered sellers: 40 funds opened new WTM positions and 14 closed out — a net gain of 26 holders — while 112 added to existing stakes and 83 trimmed.

The largest buyer was Cooke & Bieler, opening a new position worth an estimated $64.4M. The largest seller was Fidelity Investments, cutting an estimated $40.6M.

  • 324 institutional investors held White Mountains Insurance (WTM) as of Q4 2024, up from 304 in Q3 2024.
  • Funds reported $4.43B of White Mountains Insurance stock for Q4 2024, up 17% quarter-over-quarter.
  • 40 funds opened new White Mountains Insurance positions in Q4 2024 and 14 closed out, a net change of +26 holders.
  • The largest White Mountains Insurance buyer in Q4 2024 was Cooke & Bieler, an estimated $64.4M added.
  • The largest White Mountains Insurance seller in Q4 2024 was Fidelity Investments, an estimated $40.6M sold.

Based on aggregated 13F filings for Q4 2024.