BBHC
WTM icon

Brown Brothers Harriman & Co’s White Mountains Insurance WTM Stock Holding History

Brown Brothers Harriman & Co’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
-199
Closed -$437K – 1891
2026
Q1 		$437K Buy
199
+180
+947% +$385K ﹤0.01% 647
2025
Q4 		$39.5K Buy
+19
New +$37.2K ﹤0.01% 1078
2025
Q1 		– Sell
-4
Closed -$7.78K – 1502
2024
Q4 		$7.78K Hold
4
– – ﹤0.01% 1165
2024
Q3 		$6.79K Buy
+4
New +$6.97K ﹤0.01% 1115
2021
Q1 		– Sell
-8
Closed -$8K – 1256
2020
Q4 		$8K Buy
+8
New +$7.53K ﹤0.01% 885
2020
Q2 		– Sell
-3
Closed -$3K – 1214
2020
Q1 		$3K Sell
3
-72
-96% -$74.5K ﹤0.01% 899
2019
Q4 		$84K Hold
75
– – ﹤0.01% 590
2019
Q3 		$81K Buy
+75
New +$80K ﹤0.01% 571
2019
Q2 		– Sell
-3
Closed -$3K – 1236
2019
Q1 		$3K Sell
3
-11
-79% -$9.96K ﹤0.01% 944
2018
Q4 		$12K Sell
14
-26
-65% -$23.2K ﹤0.01% 680
2018
Q3 		$37K Buy
40
+7
+21% +$6.49K ﹤0.01% 552
2018
Q2 		$30K Buy
+33
New +$29.1K ﹤0.01% 548
2016
Q2 		– Sell
-18
Closed -$14K – 899
2016
Q1 		$14K Sell
18
-9
-33% -$6.73K ﹤0.01% 545
2015
Q4 		$20K Hold
27
– – ﹤0.01% 565
2015
Q3 		$20K Buy
+27
New +$19.4K ﹤0.01% 616
2014
Q3 		– Sell
-10
Closed -$6K – 815
2014
Q2 		$6K Hold
10
– – ﹤0.01% 685
2014
Q1 		$6K Buy
+10
New +$5.83K ﹤0.01% 703

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

Brown Brothers Harriman & Co's WTM Position: Q2 2026 in Review

Brown Brothers Harriman & Co sold out of White Mountains Insurance (WTM) in Q2 2026, closing a stake of 199 shares — an estimated $437K sold.

Brown Brothers Harriman & Co first reported a position in WTM in Q1 2014 and held it in 17 quarters. The position peaked at $437K in Q1 2026. 356 funds tracked by Wall St. Rank hold WTM as of Q2 2026.

  • Brown Brothers Harriman & Co reported no remaining White Mountains Insurance position as of Q2 2026 after selling out during the quarter.
  • Brown Brothers Harriman & Co sold 199 White Mountains Insurance shares in Q2 2026, an estimated $437K.
  • Brown Brothers Harriman & Co first reported a position in White Mountains Insurance in Q1 2014 and held it in 17 quarters.
  • Brown Brothers Harriman & Co's White Mountains Insurance position peaked at $437K in Q1 2026.
  • 356 funds tracked by Wall St. Rank held White Mountains Insurance as of Q2 2026.

Based on Brown Brothers Harriman & Co's 13F filing for Q2 2026, filed 12 Aug 2026.