Buffett Is Underwater Vs. S&P 500 In 2025: $137 Million Loss On Pool Corp Stock Since Q2 Not Helping

1. Warren Buffett underperformed the S&P 500 in 2025 as Berkshire CEO. 2. Berkshire's position in Pool Corp increased by 136% in Q2 2025. 3. Pool Corp missed revenue estimates for three consecutive quarters. 4. Berkshire Hathaway is trailing the S&P 500 by a significant margin. 5. Upcoming 13F filing may reveal changes in Berkshire's investment strategy.