Approximately 911.5 million insider-held shares of SpaceX are set to be unlocked from trading restrictions on August 6, corresponding to a market value of about $116 billion. SpaceX has adopted a phased unlocking approach, with the total number of freely tradable shares expected to surge from the current roughly 639 million to 5.33 billion by year-end. SpaceX's stock price has fallen 37% from its closing high, and in today's trading session, it rose 3.8%, potentially ending a seven-day losing streak.
The largest post-IPO initial share unlock in history is about to take place, and the market is assessing its potential impact on the stock price.
According to SpaceX’s prospectus, up to approximately 911.5 million insider-held shares will be unlocked from trading restrictions on August 6, involving a market value of around $116 billion, just two days after the company’s first quarterly earnings release. By the end of the year, the total number of freely tradable shares will jump from the current about 639 million to 5.33 billion.
Faced with this massive unlocking scale, SpaceX’s stock price is under significant pressure. Since the closing high on June 16, the stock has fallen 37% cumulatively, wiping out over $425 billion in market value. As of press time on Tuesday, it rose 3.8% during the trading session, potentially ending a seven-day losing streak.
According to S3 Partners data, about 30% of tradable shares are currently in short positions, with short sellers booking paper profits of approximately $7 billion.
The uniqueness of this unlocking lies in SpaceX not following the conventional 180-day post-IPO uniform unlock practice. Instead, it has designed a phased release arrangement, aiming to expand the float while minimizing severe disruptions to market supply and demand dynamics.
Phased Unlocking: An Unusual Structural Arrangement
Compared to traditional IPO lock-up expirations, SpaceX’s phased, staggered release mechanism is rare in the market. The prospectus shows that the over 900 million shares unlocked on August 6 are only the first batch; in the following months, the unlocking scale will continue to expand. By early December, the total number of freely tradable shares in the market will jump to 5.33 billion, an increase of over seven times from the current level.
Notably, there is also a condition-triggered mechanism after August 6: if SpaceX’s stock price reaches $175.50 on at least five out of the ten trading days prior to the earnings announcement, an additional up to 455.8 million shares will be permitted for trading immediately after the earnings release.
Based on Monday’s closing price of $119.85, reaching that threshold would require the stock to rise over 46% from current levels, which the market generally views as challenging.
Musk holds approximately 7.8 billion shares, accounting for about 60% of the total shares. The prospectus indicates that his shares are subject to a lock-up period extending to over a year after the company’s June listing, meaning they will not become a source of unlocking pressure in the short term.
Early Investors Face Lucrative Exit Opportunities
Despite the recent significant pullback in the stock price, early shareholders still hold substantial floating gains compared to pre-IPO valuation levels. SpaceX was valued at approximately $400 billion in a private financing round one year ago.
Earlier this year, SpaceX completed the acquisition of xAI, which at the time valued the combined entity at up to $1 trillion, with xAI valued at $250 billion, according to Bloomberg. This deal allowed many investors to realize billions of dollars, with their equity value in the public company already several times their initial investment.
The phased unlocking arrangement means that early private market investors and insiders will have exit windows opening up over the coming months, with the option to sell in tranches at different price levels.
Short Sellers Loom, IPO Market Sentiment Dampened
The unlocking expectations, combined with valuation controversies, have prompted a surge in short selling. According to S3 Partners data, approximately 30% of freely tradable shares are currently sold short, with short sellers booking paper profits of about $7 billion.
Over the past 12 trading days, SpaceX’s stock has closed lower on 10 days. Triggers include not only unlocking expectations but also the Starship rocket launch abort due to engine issues and broader market rotation away from AI-themed stocks.
SpaceX’s sharp volatility has spilled over to affect the broader new issue market.
According to Bloomberg data, the weighted average return for companies newly listed this year has fallen to negative 4.4%. Even excluding SpaceX and SK Hynix, the overall return for this year’s new listings is only 5.3%, significantly underperforming the S&P 500’s 9.4% gain over the same period.
Balancing liquidity release with stock price stability will be the core challenge for SpaceX and its underwriting team in the coming months.
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