"State by State: The Richest Americans According to Forbes 400 List"

Ten billionaires from Pennsylvania have been named among the richest Americans in Forbes' annual list. The richest person in Pennsylvania is Jeff Yass, co-founder of Wall Street trading firm Susquehanna International Group, with a net worth of $28.9 billion. Other notable billionaires from Pennsylvania include Michael Rubin, CEO of sports merchandising retailer Fanatics, and Victoria Mars, an heiress of Mars, Incorporated. The total assets owned by the richest Americans amount to $4.5 trillion, with Pennsylvanians owning $81.7 billion of that.