Murray Stahl’s White Mountains Insurance WTM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$25.3M Sell
12,206
-906
-7% -$1.94M 0.29% 32
2026
Q1
$28.8M Sell
13,112
-9
-0.1% -$19.3K 0.31% 30
2025
Q4
$27.3M Buy
13,121
+37
+0.3% +$72.4K 0.37% 32
2025
Q3
$21.9M Buy
13,084
+2,113
+19% +$3.77M 0.27% 39
2025
Q2
$19.7M Sell
10,971
-374
-3% -$665K 0.23% 41
2025
Q1
$21.8M Buy
11,345
+1,256
+12% +$2.36M 0.25% 37
2024
Q4
$19.6M Buy
10,089
+2,951
+41% +$5.58M 0.24% 38
2024
Q3
$12.1M Buy
7,138
+5,773
+423% +$10.1M 0.18% 45
2024
Q2
$2.48M Buy
+1,365
New +$2.41M 0.04% 87
2022
Q4
Sell
-285
Closed -$371K 350
2022
Q3
$371K Buy
285
+50
+21% +$64.7K 0.01% 241
2022
Q2
$293K Sell
235
-400
-63% -$465K 0.01% 276
2022
Q1
$722K Sell
635
-199
-24% -$208K 0.01% 204
2021
Q4
$846K Sell
834
-251
-23% -$265K 0.02% 194
2021
Q3
$1.16M Buy
1,085
+52
+5% +$58.1K 0.03% 167
2021
Q2
$1.19M Hold
1,033
0.02% 167
2021
Q1
$1.15M Hold
1,033
0.03% 168
2020
Q4
$1.03M Hold
1,033
0.03% 165
2020
Q3
$805K Buy
1,033
+395
+62% +$342K 0.03% 190
2020
Q2
$567K Hold
638
0.02% 218
2020
Q1
$581K Hold
638
0.03% 196
2019
Q4
$712K Buy
638
+230
+56% +$251K 0.02% 208
2019
Q3
$441K Hold
408
0.01% 262
2019
Q2
$417K Hold
408
0.01% 278
2019
Q1
$378K Buy
+408
New +$370K 0.01% 289

Other funds holding WTM

Murray Stahl's WTM Position: Q2 2026 in Review

Murray Stahl reduced its White Mountains Insurance (WTM) stake by 6.9% in Q2 2026, selling an estimated $1.94M and leaving 12,206 shares worth $25.3M. The position accounts for 0.29% of the portfolio, ranked #32.

Murray Stahl first reported a position in WTM in Q1 2019 and has held it in 24 quarters since. The position peaked at $28.8M in Q1 2026. 354 funds tracked by Wall St. Rank hold WTM as of Q2 2026.

  • Murray Stahl held 12,206 shares of White Mountains Insurance worth $25.3M as of Q2 2026.
  • Murray Stahl sold 906 White Mountains Insurance shares in Q2 2026, an estimated $1.94M.
  • White Mountains Insurance made up 0.29% of Murray Stahl's portfolio in Q2 2026, its #32 holding.
  • Murray Stahl first reported a position in White Mountains Insurance in Q1 2019 and has held it in 24 quarters since.
  • Murray Stahl's White Mountains Insurance position peaked at $28.8M in Q1 2026.
  • 354 funds tracked by Wall St. Rank held White Mountains Insurance as of Q2 2026.

Based on Horizon Kinetics Asset Management's 13F filing for Q2 2026, filed 11 Aug 2026.