Former world's richest man Bill Gates also took a $10 billion loss shorting Back in 2022, Bill Gates used $500 million of his personal funds to short Tesla. Later, he likely kept adding to his position and margin, with his holdings directly accounting for 1% of Tesla's shares. However, since then, Bill Gates hasn’t disclosed any further moves. If he hasn’t closed his position, according to Musk’s recent revelations, the current paper loss has exceeded $10 billion.