SpaceX S-1 Filing Details 18,712 BTC Holdings Valued at $1.293B as of March 31, 2026

SpaceX said in an S-1 registration statement filed with the U.S. SEC that it holds 18,712 BTC, carried at a fair value of $1.293 billion as of March 31, 2026. The company disclosed an average purchase cost of around $35,324 per BTC, or roughly $661 million in total, implying an unrealized gain of nearly 119%. The filing comes ahead of SpaceX’s planned IPO and is presented as its first public breakdown of a Bitcoin treasury position.