SpaceX IPO Filing Reveals 18,712 Bitcoin Worth $1.45 Billion

SpaceX filed its S-1 registration statement with the SEC on May 20, 2026. The filing disclosed the company holds 18,712 Bitcoin as of March 31, 2026. That is more than double what blockchain tracking firms had estimated.

Pre-filing, analytics firms Arkham Intelligence and BitcoinTreasuries.NET both tracked SpaceX at roughly 8,285 BTC. The actual number exceeds that estimate by more than 10,000 coins. The discrepancy shows the limits of on-chain wallet tracking for companies using custodial storage.

SpaceX acquired its Bitcoin at an average price of $35,320 per coin, spending roughly $661 million total. At March 31 prices, the position carried a fair value of $1.29 billion. With Bitcoin trading near $77,000 today, those holdings are worth approximately $1.45 billion.

How SpaceX Built Its Bitcoin Position

SpaceX began buying Bitcoin in early 2021. This coincided with Tesla's well-publicized $1.5 billion Bitcoin purchase that February. At its peak in early 2021, SpaceX held as many as 25,724 BTC.

During the 2022 bear market, SpaceX sold down its entire publicly tracked position. Tesla did the same, liquidating roughly 75% of its holdings that year. Both companies appeared to treat Bitcoin as a liquid reserve rather than a permanent holding.

SpaceX then rebuilt its position between 2022 and 2024. The S-1 filing shows the current 18,712 BTC balance has been unchanged since at least the end of 2024. The company has neither added during the 2024-2025 rally nor trimmed during drawdowns.

Where SpaceX Ranks Among Corporate Bitcoin Holders

Once listed, SpaceX would rank seventh among public companies by Bitcoin holdings. Strategy, led by Michael Saylor, remains the largest corporate holder with 843,738 BTC. SpaceX holds less than 3% of that total.

Tesla currently holds 11,509 BTC, making SpaceX the larger holder within Musk's corporate universe. The combined Musk-linked BTC position across both companies stands at roughly 30,221 coins. At current prices, that totals approximately $2.3 billion.

Coinbase, Block Inc., and several Bitcoin mining firms also rank among the top public corporate holders. SpaceX's entry into public markets would shift the corporate Bitcoin leaderboard upon listing.

The IPO Context

SpaceX plans to list on Nasdaq under the ticker SPCX on June 12, 2026. The company is targeting a valuation between $1.75 trillion and $2 trillion. It aims to raise approximately $75 billion, which would make this the largest IPO in capital markets history.

SpaceX reported 2025 revenue of $18.7 billion, up from $14 billion in 2024. The company describes its total addressable market as spanning AI, space infrastructure, and satellite connectivity. It estimates that combined opportunity at $28.5 trillion.

Investors buying SPCX shares will gain indirect Bitcoin exposure alongside the aerospace and AI businesses. SpaceX uses third-party custodians to hold its Bitcoin and does not disclose specific wallet addresses. The filing does not state whether SpaceX plans to buy more, sell, or hold its Bitcoin position after listing.

Gains, Losses, and the Accounting Picture

SpaceX recorded an unrealized gain of $955 million on its Bitcoin holdings in 2024 as prices rose. In 2025, the company reported an unrealized loss of $112 million as prices fell during part of the period. These figures now become visible under FASB fair-value accounting rules, which require public companies to mark Bitcoin holdings to market each quarter.

The cost basis of $35,320 per coin means SpaceX currently sits on an unrealized gain of roughly $789 million at today's price. That represents a return of approximately 119% on the original outlay.

Risks and Open Questions

The filing creates tension with Musk's own recent public statements. On April 30, 2026, Musk testified in federal court that "most" cryptocurrencies are "scams." SpaceX's own balance sheet tells a different story, with Bitcoin representing a material portion of the company's financial assets.

Tesla's history is also a caution. Tesla sold roughly 75% of its Bitcoin in 2022 when cash needs arose. SpaceX faces similar scrutiny now that public shareholders will track the position alongside quarterly earnings.

The S-1 does not commit SpaceX to a Bitcoin strategy going forward. A static position since 2024 contrasts sharply with Strategy's near-weekly accumulation approach. SpaceX appears to treat Bitcoin as a fixed treasury allocation, not a core business purpose.

What the Filing Confirms

On-chain analytics tools had systematically undercounted SpaceX's Bitcoin for years. The actual position was held through custodians in ways that were not fully visible to wallet-tracking firms. The S-1 filing is the first time SpaceX has publicly confirmed the full size of its Bitcoin treasury.

The disclosure places Bitcoin inside one of the most watched IPOs in recent memory. Public market investors will now need to evaluate SpaceX's Bitcoin position alongside its launch manifest, Starlink subscriber growth, and capital expenditure plans. Whether SpaceX adds to, holds, or sells its 18,712 BTC after listing remains the most open question the filing leaves unanswered.