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Berkshire Hathaway shares owned by Investment Research Partners

Quarter-by-quarter ownership of Berkshire Hathaway (BRK.B) shares owned by Investment Research Partners from 13F filings

Historical chart of Investment Research Partners investment in Berkshire Hathaway

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All positions including Berkshire Hathaway held by Investment Research Partners consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Berkshire Hathaway by Investment Research Partners

Quarter filed Position value Share count Share price at filing
2025-09-30 $1.0M 2.2k 475.78