BERKSHIRE HATHAWAY INC-CL A (BRK-A) Institutional Ownership and Insiders Activity

BERKSHIRE HATHAWAY INC-CL A (BRK-A) is widely held by institutional investors, with 19 tracked firms reporting positions valued at approximately $2.01B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Gardner Russo & Quinn is the largest disclosed holder, reporting approximately $1.05B in BRK-A holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Gardner Russo & Quinn representing the majority of disclosed value.