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Berkshire Hathaway shares owned by Pioneer Family Office

Quarter-by-quarter ownership of Berkshire Hathaway (BRK.B) shares owned by Pioneer Family Office from 13F filings

Historical chart of Pioneer Family Office investment in Berkshire Hathaway

Tip: Access up to 7 years of quarterly data

All positions including Berkshire Hathaway held by Pioneer Family Office consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Berkshire Hathaway by Pioneer Family Office

Quarter filed Position value Share count Share price at filing
2026-06-30 $138k 275 500.39
2025-12-31 $244k 485 502.65

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View all positions for Pioneer Family Office

Top funds holding Berkshire Hathaway

BlackRock
Vanguard Capital Management
State Street Corporation
Geode Capital Management
Morgan Stanley
Vanguard Portfolio Management
Bill & Melinda Gates Foundation Trust
Northern Trust
FMR
Charles Schwab Investment Management
Goldman Sachs Group
Bank of New York Mellon
Vanguard Fiduciary Trust
Royal Bank of Canada
T. Rowe Price Associates

View all funds holding Berkshire Hathaway