WM

White Mountains Insurance Group Ltd

13F
White Mountains Insurance Group Ltd
Last update 2025-05-12 2 Stocks (0 new)
Value $286.00 Mil Turnover 0 %
Countries:
Top Holdings: MAX(57.70%)SPY(42.30%)
White Mountains Insurance Grou... Top Holdings of 2025-03-31 View Full List
Ticker
MAX
SPY
Ticker
Company
Shares
Value ($1000)
Shares Change %
Weighting %
Trade Impact %
% of Shares outstanding
3M Change %
YTD Change %
Market Cap $Mil
Industry
MAX
MediaAlpha Inc
17,856,614
164,995.1
0%
57.700
0%
31.940
+26.66%
-7.00%
586.9
Interactive Media
SPY
SPDR S&P 500 ETF Trust
216,197
120,938.4
-43.57%
42.300
-22.96%
0.020
+18.65%
+8.72%
653,541.1
 

White Mountains Insurance Group Ltd's Historical Top Holdings Breakdowns

White Mountains Insurance Group Ltd's Top Stock Picks View Full List
Ticker
SPY
MAX
SPY
SPY
SPY
Ticker
Company
Date
Action
Impact %
Price Range
Price
Price Change from Avrg%
Comment
Current Shares
Share Change
SPY
SPDR S&P 500 ETF Trust
2025-03-31
Reduce
Reduce
-22.96%
551.42 ($587.78) 612.93
$633.41
7.76%
Reduce -43.57%
216,197
-166,949
MAX
MediaAlpha Inc
2024-06-30
Reduce
Reduce
-16.50%
13.05 ($18.4) 22.2
$10.50
-42.94%
Reduce -21.88%
17,856,614
-5,000,200
SPY
S&P 500 ETF TRUST ETF
2024-06-30
Add
Add
+11.44%
495.16 ($523.39) 548.49
$633.41
21.02%
Add 32.19%
383,146
93,300
SPY
S&P 500 ETF TRUST ETF
2023-12-31
Reduce
Reduce
-29.08%
410.68 ($445.46) 476.69
$633.41
42.19%
Reduce -50.86%
289,846
-300,000
SPY
S&P 500 ETF TRUST ETF
2023-09-30
Reduce
Reduce
-2.18%
425.88 ($444.77) 457.79
$633.41
42.41%
Reduce -4.07%
589,846
-25,000

White Mountains Insurance Group Ltd Total Holding History ($B)

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White Mountains Insurance Group Ltd's Asset Allocation

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White Mountains Insurance Group Ltd Past Portfolios

Portfolio Date Number of Stocks New Stocks Total Value ($Mil) Q/Q Turnover

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White Mountains Insurance Group Ltd's Hypothetical Growth since 2025-03-31

White Mountains Insurance Group Ltd's Yearly Returns

Year Portfolio % % Excess Gain %

White Mountains Insurance Group Ltd's Holdings Heat Map

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White Mountains Insurance Group Ltd's Holdings Bubble Chart

White Mountains Insurance Group Ltd News

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