Musk's Tesla Ownership: The new filing from Tesla reveals that Musk is estimated to own 23.5% of the company. The estimate comes from 172,608,251 shares currently owned by Musk and 92,880,355 shares that are issuable to Musk through stock options within 60 days after March 31, 2022. The total shares Musk could own are 265,488,606 shares.
The filing also says that 89,186,960 shares are 'pledged as collateral to secure certain personal indebtedness.'
The current 172,608,251 shares owned by Musk are worth $120.25 billion as of Friday prior to the stock split announcement. With the fully exercised total, Musk's stake in Tesla would be worth $184.96 billion.
The Bloomberg Billionaire's Index ranks Musk as the world's richest person, worth $209 billion.