Elon Musk’s Net Worth Passes Warren Buffett’s After Tesla Stock Reaches All-Time High Posted byGraham Rapler July 13, 2020 Leave a comment on Elon Musk’s Net Worth Passes Warren Buffett’s After Tesla Stock Reaches All-Time High Tesla stock, of which Musk is the largest holder, continues to hit record highs. Buffett, meanwhile, donated almost $3 billion of Berkshire Hathaway stock, causing his riches to shrink.