Google plunged 13.7%, marking the largest single-day drop in history, with Buffett estimated to have a floating loss of about $3.2 billion.

BlockBeats news, October 29 - According to data from the BIT stock platform, Google's stock decline widened to 13.7%, marking the largest single-day drop in history, currently reported at $279.6.

Based on Berkshire Hathaway's 13F filing as of June 30, 2026, it is estimated to hold 78,791,167 shares of GOOGL (Class A) and 27,188,433 shares of GOOG (Class C), totaling approximately 106 million shares, with a current market value of about $29.6 billion, a shrinkage of about $8.2 billion from the approximately $37.8 billion at the time of the quarter-end report disclosure. Additionally, Berkshire's public data does not disclose the precise average cost. The market generally estimates the overall cost at above $300, with some analyses close to $310 to $320. If estimated at an average price of about $310, the paper loss would be about $3.2 billion, and at $300, about $2.2 billion.

Previously, Buffett himself confirmed that the investment was initiated by him and is now executed by the team of new CEO Abel. In addition, Berkshire Hathaway's third-quarter 13F is expected to be disclosed in mid-November.