Bruce Berkowitz is truly one of the most unconventional stock pickers in the money management business. He bets billions in stocks that I couldn't dare to invest a couple thousand dollars. Today Berkowitz filed a 13F with the SEC and disclosed his holding as of March 31st. Here are his top 3 stock picks:

1. American International Group (AIG): $2.82 billion in common stock, $261 million in warrants with an exercise price of $45

2. Sears (SHLD): $1.11 billion in common stock.

3. Bank of America (BAC): $984 million in common stock, $45.5 million in warrants with an exercise price of $13.3