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Two Sigma Securities’s White Mountains Insurance WTM Stock Holding History

Two Sigma Securities’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
Q1 		– Sell
-160
Closed -$332K – 2269
2025
Q4 		$332K Sell
160
-34
-18% -$66.5K 0.05% 585
2025
Q3 		$324K Buy
194
+24
+14% +$42.8K 0.05% 542
2025
Q2 		$305K Sell
170
-43
-20% -$76.5K 0.04% 654
2025
Q1 		$410K Buy
213
+7
+3% +$13.2K 0.06% 439
2024
Q4 		$401K Buy
206
+48
+30% +$90.7K 0.05% 482
2024
Q3 		$268K Sell
158
-176
-53% -$307K ﹤0.01% 1878
2024
Q2 		$607K Buy
+334
New +$591K 0.01% 1393
2024
Q1 		– Sell
-170
Closed -$256K – 3738
2023
Q4 		$256K Sell
170
-37
-18% -$55K ﹤0.01% 2154
2023
Q3 		$310K Sell
207
-60
-22% -$92.1K ﹤0.01% 1929
2023
Q2 		$371K Buy
+267
New +$376K 0.01% 1687
2023
Q1 		– Sell
-144
Closed -$204K – 3363
2022
Q4 		$204K Buy
+144
New +$195K 0.01% 1938
2022
Q3 		– Sell
-318
Closed -$396K – 3166
2022
Q2 		$396K Buy
318
+36
+13% +$41.8K 0.01% 1073
2022
Q1 		$320K Sell
282
-89
-24% -$93.2K 0.01% 1352
2021
Q4 		$376K Buy
+371
New +$392K 0.02% 684
2021
Q1 		– Sell
-200
Closed -$200K – 1821
2020
Q4 		$200K Buy
+200
New +$188K ﹤0.01% 1413
2019
Q1 		– Sell
-250
Closed -$214K – 2516
2018
Q4 		$214K Buy
250
+22
+10% +$19.6K ﹤0.01% 1667
2018
Q3 		$213K Buy
+228
New +$211K ﹤0.01% 2075
2018
Q2 		– Sell
-432
Closed -$355K – 3056
2018
Q1 		$355K Buy
+432
New +$357K ﹤0.01% 1891
2017
Q2 		– Sell
-372
Closed -$327K – 1215
2017
Q1 		$327K Buy
+372
New +$333K 0.06% 331
2016
Q1 		– Sell
-448
Closed -$326K – 415
2015
Q4 		$326K Buy
+448
New +$343K 0.39% 58

Other funds holding WTM

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
RRAM
River Road Asset Management Louisville, Kentucky $8.99B AUM 12.83% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
CB
Cooke & Bieler Philadelphia, Pennsylvania $8.65B AUM 9.66% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
FMI
Fiduciary Management Inc Milwaukee, Wisconsin $8.06B AUM 6.78% 1-Year Est. Return
WCM
Wallace Capital Management Dallas, Texas $871M AUM 13.69% 1-Year Est. Return

Two Sigma Securities's WTM Position: Q1 2026 in Review

Two Sigma Securities sold out of White Mountains Insurance (WTM) in Q1 2026, closing a stake of 160 shares — an estimated $332K sold.

Two Sigma Securities first reported a position in WTM in Q4 2015 and held it in 20 quarters. The position peaked at $607K in Q2 2024. 368 funds tracked by Wall St. Rank hold WTM as of Q1 2026.

  • Two Sigma Securities reported no remaining White Mountains Insurance position as of Q1 2026 after selling out during the quarter.
  • Two Sigma Securities sold 160 White Mountains Insurance shares in Q1 2026, an estimated $332K.
  • Two Sigma Securities first reported a position in White Mountains Insurance in Q4 2015 and held it in 20 quarters.
  • Two Sigma Securities's White Mountains Insurance position peaked at $607K in Q2 2024.
  • 368 funds tracked by Wall St. Rank held White Mountains Insurance as of Q1 2026.

Based on Two Sigma Securities's 13F filing for Q1 2026, filed 15 May 2026.