Qube Research & Technologies (QRT)
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Qube Research & Technologies (QRT)’s White Mountains Insurance WTM Stock Holding History

Qube Research & Technologies (QRT)’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 		$20.1M Buy
9,673
+8,657
+852% +$18.5M 0.02% 909
2026
Q1 		$2.23M Buy
1,016
+484
+91% +$1.04M ﹤0.01% 2102
2025
Q4 		$1.11M Sell
532
-104
-16% -$203K ﹤0.01% 2518
2025
Q3 		$1.06M Sell
636
-1,156
-65% -$2.06M ﹤0.01% 2482
2025
Q2 		$3.22M Buy
1,792
+517
+41% +$920K ﹤0.01% 1960
2025
Q1 		$2.46M Buy
1,275
+207
+19% +$390K ﹤0.01% 1878
2024
Q4 		$2.08M Sell
1,068
-645
-38% -$1.22M ﹤0.01% 1862
2024
Q3 		$2.91M Buy
1,713
+69
+4% +$120K ﹤0.01% 1610
2024
Q2 		$2.99M Buy
1,644
+75
+5% +$133K ﹤0.01% 1463
2024
Q1 		$2.82M Sell
1,569
-277
-15% -$464K ﹤0.01% 1562
2023
Q4 		$2.78M Buy
1,846
+52
+3% +$77.3K 0.01% 1361
2023
Q3 		$2.68M Sell
1,794
-1,355
-43% -$2.08M 0.01% 1227
2023
Q2 		$4.37M Buy
3,149
+698
+28% +$983K 0.02% 732
2023
Q1 		$3.38M Buy
2,451
+867
+55% +$1.24M 0.01% 790
2022
Q4 		$2.24M Sell
1,584
-507
-24% -$687K 0.01% 905
2022
Q3 		$2.73M Buy
2,091
+1,375
+192% +$1.78M 0.02% 809
2022
Q2 		$892K Sell
716
-1,546
-68% -$1.8M 0.01% 1154
2022
Q1 		$2.57M Sell
2,262
-3,665
-62% -$3.84M 0.02% 723
2021
Q4 		$6.01M Buy
5,927
+1,380
+30% +$1.46M 0.05% 500
2021
Q3 		$4.86M Buy
4,547
+774
+21% +$864K 0.06% 419
2021
Q2 		$4.33M Sell
3,773
-995
-21% -$1.16M 0.05% 455
2021
Q1 		$5.32M Buy
4,768
+2,927
+159% +$3.27M 0.08% 309
2020
Q4 		$1.84M Sell
1,841
-2,940
-61% -$2.77M 0.03% 651
2020
Q3 		$3.72M Buy
4,781
+4,059
+562% +$3.51M 0.05% 456
2020
Q2 		$641K Buy
+722
New +$651K 0.01% 1017

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

Qube Research & Technologies (QRT)'s WTM Position: Q2 2026 in Review

Qube Research & Technologies (QRT) increased its White Mountains Insurance (WTM) stake by 852% in Q2 2026, buying an estimated $18.5M and bringing the position to 9,673 shares worth $20.1M. The position accounts for 0.02% of the portfolio, ranked #909.

Qube Research & Technologies (QRT) first reported a position in WTM in Q2 2020 and has held it in 25 quarters since. 356 funds tracked by Wall St. Rank hold WTM as of Q2 2026.

  • Qube Research & Technologies (QRT) held 9,673 shares of White Mountains Insurance worth $20.1M as of Q2 2026.
  • Qube Research & Technologies (QRT) bought 8,657 White Mountains Insurance shares in Q2 2026, an estimated $18.5M.
  • White Mountains Insurance made up 0.02% of Qube Research & Technologies (QRT)'s portfolio in Q2 2026, its #909 holding.
  • Qube Research & Technologies (QRT) first reported a position in White Mountains Insurance in Q2 2020 and has held it in 25 quarters since.
  • 356 funds tracked by Wall St. Rank held White Mountains Insurance as of Q2 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q2 2026, filed 14 Aug 2026.