Horizon Kinetics Asset Management’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
Q3
$21.9M Buy
2025
Q2
$19.7M Sell
2025
Q1
$21.8M Buy
2024
Q4
$19.6M Buy
2024
Q3
$12.1M Buy
2024
Q2
$2.48M Buy
2022
Q4
Sell
2022
Q3
$371K Buy
2022
Q2
$293K Sell
2022
Q1
$722K Sell
2021
Q4
$846K Sell
2021
Q3
$1.16M Buy
2021
Q2
$1.19M Hold
2021
Q1
$1.15M Hold
2020
Q4
$1.03M Hold
2020
Q3
$805K Buy
2020
Q2
$567K Hold
2020
Q1
$581K Hold
2019
Q4
$712K Buy
2019
Q3
$441K Hold
2019
Q2
$417K Hold
2019
Q1
$378K Buy