PEAK6’s Berkshire Hathaway Class B BRK.B Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$2.37M Buy
4,880
+4,877
+162,567% +$2.37M ﹤0.01% 161
2025
Q1
$1.43K Hold
3
﹤0.01% 700
2024
Q4
$1.53K Buy
+3
New +$1.53K ﹤0.01% 718