Meanwhile, Berkshire's massive investment portfolio continues to produce gains. However, Buffett and his investment team have struggled to find significant opportunities to invest Berkshire's growing cash pile . That pile's made bigger as Berkshire sells more equities than it buys every quarter.Berkshire has produced solid results from its insurance business in 2025, despite setbacks from the California wildfires at the start of the year. Third-quarter results were particularly impressive, with underwriting ...