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Berkshire Hathaway shares owned by State of Wisconsin Investment Board

Quarter-by-quarter ownership of Berkshire Hathaway (BRK.A) shares owned by State of Wisconsin Investment Board from 13F filings

Historical chart of State of Wisconsin Investment Board investment in Berkshire Hathaway

Tip: Access up to 7 years of quarterly data

All positions including Berkshire Hathaway held by State of Wisconsin Investment Board consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Berkshire Hathaway by State of Wisconsin Investment Board

Quarter filed Position value Share count Share price at filing
2025-09-30 $430M 570 754200.00
2025-06-30 $327M 449 728800.00
2025-03-31 $246M 308 798441.60
2024-12-31 $125M 184 680920.00
2024-09-30 $58M 84 691180.00