Still, risk-averse investors may be even better off simply buying Berkshire Hathaway stock directly. Berkshire Hathaway famously doesn't pay dividends because Buffett believes a better use of capital is reinvesting in the existing business, new businesses ...

Despite his immense wealth, Warren Buffett, as he admits, is a man of simple tastes. Perhaps that focus on basic American food staples inspired one of the more unexpected new buys from his investment vehicle Berkshire Hathaway (NYSE: BRK.

Warren Buffett is stockpiling cash. His Berkshire Hathaway holding company continued to sell more than it bought in the third quarter when it offloaded a quarter of its stake in Apple, regulatory filings revealed Thursday.

However, Warren Buffett and Berkshire Hathaway own more stocks than those regulatory filings disclose. At least one ultra-high-yield dividend stock in Buffett's "secret portfolio" is a no-brainer buy right now.