SpaceX Stock Below $135 IPO: A 40% Plunge Reshapes Space Funding Outlook

For the space industry, SpaceX’s stock slide is more than a market correction—it’s a litmus test for the entire commercial space ecosystem. As the sector’s bellwether, the company’s valuation collapse from a $2.1 trillion peak to below its offering price challenges the narrative that sky-high multiples are justified by long-term growth. If investor confidence wanes further, the cost of capital for emerging launch providers, satellite operators, and defense tech startups could spike, reshaping the competitive landscape.

SpaceX shares tumbled below their initial public offering price on July 15, 2026, for the first time since the company's record-shattering market debut, marking a sharp reversal in sentiment for the rockets-to-AI giant. The stock slumped 1.9% to $133.50, slipping beneath the $135 per share price at which shares were sold in last month's IPO, which raised approximately $85.7 billion—the largest offering in history—and valued the company at roughly $2.1 trillion after its first trading day. The decline underscores how quickly Wall Street exuberance can dissipate, even for a company with the scale and ambition of SpaceX, which had briefly topped the market capitalizations of Microsoft and Amazon. While modest declines below offering prices are not uncommon, especially during turbulent market periods, the symbolic blow of the drop may test investor confidence and validate critics who argued that SpaceX's valuation was stretched, given its $4.9 billion loss in 2025 and the nascent state of many of its long-term bet.

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The stock had already tumbled from its all-time high of $225.64, erasing over 40% of its peak market cap.

The broader market context amplifies the concerns. Major U.S. indexes have been under pressure in recent weeks as investors reassess the Federal Reserve’s interest rate trajectory and question the sustainability of the AI-powered rally that has lifted chipmakers and other tech stocks. This jittery environment has made it harder for high-growth, richly valued companies like SpaceX to maintain momentum. The stock had already tumbled from its all-time high of $225.64, erasing over 40% of its peak market cap. Analyst Steve Sosnick of Interactive Brokers noted that the lack of fresh catalysts to remind investors of SpaceX’s growth story has contributed to the slide, and while falling a couple of dollars below IPO price is not catastrophic, the company’s high profile makes it a barometer of risk appetite. Adding to the pressure, impending lockup expirations could unleash additional selling as early investors and insiders look to cash out.