TETRAD CORP, a registered investment adviser, initiated a new position in BERKSHIRE HATHAWAY Class B (NYSE:BRK.B) during Q4 2025, according to its most recent 13F filing with the Securities and Exchange Commission.
The institutional investor purchased 1,923,123 shares of the company, valued at approximately $966,657,776 as of the filing date.
BERKSHIRE HATHAWAY Class B's stock currently trades at $497.14 with a market capitalization of $0.