One of Berkshire's smaller positions (less than one-tenth of 1% of the overall portfolio) is the investment bank Jefferies Financial Group (NYSE: JEF). Berkshire owns roughly 433,500 shares. Jefferies recently reported earnings that came up short of analyst estimates.

Buffett's biggest purchase last quarter was in Occidental Petroleum. Berkshire Hathaway owns a whopping 27.25% of Occidental's outstanding shares, making it the largest shareholder by far in the company.

Warren Buffett’s recent moves to trim Berkshire Hathaway’s holdings in Apple and Bank of America have raised questions about what it means for the market and economy. However, it’s unlikely that the takeaway is simple or scary.