You may have heard whispers that Warren Buffett has a secret portfolio outside of Berkshire Hathaway (NYSE:BRK-A, NYSE:BRK-B). This lesser-known holding company is called New England Asset Management, where Buffett oversees a relatively small but intriguing collection of investments. While the assets under management here pale compared to Berkshire’s empire, this secretive portfolio contains some fascinating stock picks with breakout potential. New England Asset Management holds mostly ETFs and defensive po ...