Billionaire Charles Schwab lost nearly $3 billion after shares of the brokerage he founded were hammered amid the banking crisis.REUTERS/Jim Young Billionaire Charles Schwab's net worth has plunged about $3 billion since March 8. Shares of Charles Schwab Corp fell sharply amid the collapse of Silicon Valley Bank. Investors are worried as Charles Schwab Corp is sitting on a significant amount of unrealized losses on its bond assets. Billionaire Charles Schwab's fortune has taken a massive beating after shares of the eponymous company he founded plunged amid the banking crisis.