DOSSIER · 13F Holders · Q3 2026
Berkshire Hathaway Inc. Cl B
2 institutions still hold Berkshire Hathaway Inc. Cl B as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 846707020·2 13F holders·last filed Sep 30, 2026
AI Holders Summary · Q3 2026
2 institutions reported Berkshire Hathaway Inc. Cl B in Q3 2026. WEST MICHIGAN ADVISORS, LLC leads at 88.1% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.