DOSSIER · 13F Holders · Q1 2026
BERKSHIRE HATHAWAY
15 institutions still hold BERKSHIRE HATHAWAY as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 084670207·15 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
15 institutions reported BERKSHIRE HATHAWAY in Q1 2026. Ironwood Investment Counsel, LLC leads at 30.3% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.