BlockBeats, citing BIT market data, reported that Alphabet shares fell 13.7% to $279.6 in an October 29 snapshot.
Berkshire exposure estimate
BlockBeats said Berkshire Hathaway’s June 30, 2026 13F holdings of GOOGL and GOOG were used to estimate a paper loss of about $2.2 billion to $3.2 billion under assumed average costs of $300 to $310. The SEC confirms the filing date and reporting period, but neither the filing record nor the source flash establishes Berkshire’s average cost.
Sources: BlockBeats English report; SEC Berkshire Hathaway submissions record; Nasdaq GOOGL quote, checked October 29, 2026.