SpaceX’s S-1 filing discloses holdings of 18,712 bitcoins, with an average cost basis of approximately $35,300.
Source：
www.sec.gov
In its S-1 registration statement, SpaceX disclosed that, as of March 31, 2026, the company held 18,712 bitcoins, with a cost basis of approximately $661 million—representing an average acquisition cost of approximately $35,300 per bitcoin—and a fair value of approximately $1.293 billion.