On August 15th, 13F documents show that Buffett's Berkshire Hathaway increased its holdings of Western Petroleum (OXY. N) and Chubb Insurance in the second quarter. Reduced its holdings of 389 million shares of Apple (AAPL. O), the proportion of holdings fell to 30.52%, and also reduced its holdings of Chevron (CVX. N) and T-Mobile. Clearance of Snowflake (SNOW. N) and Paramount Global (PARA. O). Ulta Beauty and Haike Airlines. As of the end of the second quarter, the total market value of Berkshire Hathaway's holdings fell from $332 billion to $280 billion.