State of Wisconsin Investment Board
BRK.A icon

State of Wisconsin Investment Board’s Berkshire Hathaway Class A BRK.A Stock Holding History

State of Wisconsin Investment Board’s Portfolio BRK.A Stock Details BRK.A Fund Activity
Quarter Market Value Status Shares Shares
Change % 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		$327M Buy
449
+141
+46% +$103M 0.8% 17
2025
Q1 		$246M Buy
308
+124
+67% +$99M 0.64% 21
2024
Q4 		$125M Buy
184
+100
+119% +$68.1M 0.32% 42
2024
Q3 		$58.1M Buy
+84
New +$58.1M 0.15% 126