Arrowstreet Capital’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
2025
Q4
$1.69M Buy
2021
Q2
Sell
2021
Q1
$780K Buy
2020
Q4
Sell
2020
Q3
$234K Buy
2016
Q2
Sell
2016
Q1
$880K Hold
2015
Q4
$797K Sell
2015
Q3
$3.27M Sell
2015
Q2
$3.81M Sell
2015
Q1
$4.05M Sell
2014
Q4
$6.23M Sell
2014
Q3
$7.88M Sell
2014
Q2
$7.65M Buy
2014
Q1
$5.72M Buy
2013
Q4
$5.51M Buy
2013
Q3
$175K Sell
2013
Q2
$860K Buy