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Dark Forest Capital Management’s White Mountains Insurance WTM Stock Holding History

Dark Forest Capital Management’s Portfolio WTM Stock Details WTM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-2,255
Closed -$4.95M – 1062
2026
Q1 		$4.95M Sell
2,255
-1,360
-38% -$2.91M 0.44% 38
2025
Q4 		$7.51M Buy
+3,615
New +$7.07M 0.34% 39
2025
Q2 		– Sell
-1,491
Closed -$2.87M – 1549
2025
Q1 		$2.87M Buy
1,491
+772
+107% +$1.45M 0.13% 239
2024
Q4 		$1.4M Sell
719
-132
-16% -$249K 0.21% 92
2024
Q3 		$1.44M Buy
851
+80
+10% +$139K 0.18% 114
2024
Q2 		$1.4M Buy
771
+446
+137% +$789K 0.26% 57
2024
Q1 		$583K Buy
325
+41
+14% +$68.7K 0.1% 231
2023
Q4 		$427K Buy
+284
New +$422K 0.06% 260
2023
Q3 		– Sell
-299
Closed -$415K – 1342
2023
Q2 		$415K Buy
299
+195
+188% +$275K 0.04% 702
2023
Q1 		$143K Buy
+104
New +$149K 0.03% 537
2022
Q1 		– Sell
-5
Closed -$5K – 1815
2021
Q4 		$5K Buy
+5
New +$5.28K ﹤0.01% 1186

Other funds holding WTM

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RRAM
River Road Asset Management Louisville, Kentucky $8.99B AUM 12.83% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
CB
Cooke & Bieler Philadelphia, Pennsylvania $8.65B AUM 9.66% 1-Year Est. Return
WCM
Wallace Capital Management Dallas, Texas $912M AUM 21.45% 1-Year Est. Return
FMI
Fiduciary Management Inc Milwaukee, Wisconsin $7.03B AUM 11.68% 1-Year Est. Return

Dark Forest Capital Management's WTM Position: Q2 2026 in Review

Dark Forest Capital Management sold out of White Mountains Insurance (WTM) in Q2 2026, closing a stake of 2,255 shares — an estimated $4.95M sold.

Dark Forest Capital Management first reported a position in WTM in Q4 2021 and held it in 11 quarters. The position peaked at $7.51M in Q4 2025. 356 funds tracked by Wall St. Rank hold WTM as of Q2 2026.

  • Dark Forest Capital Management reported no remaining White Mountains Insurance position as of Q2 2026 after selling out during the quarter.
  • Dark Forest Capital Management sold 2,255 White Mountains Insurance shares in Q2 2026, an estimated $4.95M.
  • Dark Forest Capital Management first reported a position in White Mountains Insurance in Q4 2021 and held it in 11 quarters.
  • Dark Forest Capital Management's White Mountains Insurance position peaked at $7.51M in Q4 2025.
  • 356 funds tracked by Wall St. Rank held White Mountains Insurance as of Q2 2026.

Based on Dark Forest Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.