Net Worth details: Si Newhouse made part of his fortune when Bright House Networks was acquired by Charter Communications in May 2016. Si and his brother Donald received 31 million Class B common units of Charter, $2 billion in cash, and another $2 billion in convertible preferred shares. The brothers also hold 71 million Class A common stocks and 141 Class C common stocks of Discovery Communication. The Newhouses co-own Advance Publications which includes $1.5 billion revenue magazine Conde Nast.