Rakuten Investment Management’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
Q1
$80.9M Buy
+153,679
New +$80.9M 0.37% 17
2024
Q3
$43.2M Buy
94,512
+24,298
+35% +$11.1M 0.25% 14
2024
Q2
$28.6M Buy
70,214
+25,663
+58% +$10.5M 0.19% 15
2024
Q1
$18.7M Buy
44,551
+40,419
+978% +$17M 0.14% 17
2023
Q4
$1.48M Buy
+4,132
New +$1.48M 0.01% 27