Here are four small-cap stocks Warren Buffet loves. INTL FCStone (INTL) is financial services company with a market cap of $687 million provides advisory services. Maiden Holdings (MHLD) provides reinsurance solutions for regional and specialty insurers in Europe, the U.S. and other global markets. Selective Insurance (SIGI) is a holding company with insurance subsidiaries has a market cap of $2.42 billion. Universal Insurance Holdings (UVE) is a homeowner's insurance company and has a market cap of $971 million.