SpaceX Shares Poised to Jump Following Record $75 Billion IPO

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Friday’s trading will be a critical test for the $1.8 trillion rocket, satellite and artificial intelligence company. Even after raising the largest-ever amount in an IPO, SpaceX still needs the market’s validation of its ambition to dominate AI and carry humans to the moon and Mars, as well as the company’s controversial governance regime that promises Musk near-total control.

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The unprecedented size of SpaceX’s debut makes the market mechanics more complicated, and the fear of unexpected glitches like the ones that derailed Facebook’s IPO in 2012 is guaranteed to keep executives on edge. The first trading day will not only set the tone for future sessions, it will affect the prospects for a pair of potential giant initial public offerings from SpaceX’s AI rivals Anthropic PBC and OpenAI.

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“It presages a pretty sizable wave of IPOs,” John Waldron, president of Goldman Sachs Group Inc., said during a Bloomberg Television interview with Francine Lacqua. “The capital markets are willing to finance these extraordinary companies as we build out AI infrastructure.”

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The trading is also set to determine whether Musk becomes the world’s first trillionaire, a title that currently just exceeds his grasp. Musk’s fortune sits at about $970 billion as of Thursday, according to the Bloomberg Billionaires Index.

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Index, Retail Tailwinds

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Among the unsatisfied investors whose IPO allocation potentially fell short of their desired amount are retail buyers. That cohort delivered more than $100 billion of demand, the majority of which wasn’t met since the goup received about $15 billion in stock. Another tailwind for the stock will be forced buying by index-tracking funds which could generate as much as $6 billion in demand as they snap up shares ahead of the stock’s expected fast-track inclusion in benchmark gauges, according to Bloomberg Intelligence.

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A large IPO is no guarantee of a standout session, however, and the fragile sentiment around newly listed companies means some never recover from trading below their offer price on day one. Even some firms that soar after their IPOs fail to maintain the momentum.

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For US IPOs raising at least $1 billion, the record for the biggest day-one gain belongs to design software maker Figma Inc., which rose 250% in its 2025 debut, data compiled by Bloomberg show. It gave up the increase and is now about 45% below its IPO price.

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Stablecoin firm Circle Internet Group Inc., another listing from 2025, climbed 168% on its first day. It remains at roughly the same level above the IPO price.

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Companies with negative net income tend to lag by more than 10% over the first 18 months after their listing compared with profitable peers, according to a Trivariate Research report last year. SpaceX had a net loss of $4.28 billion in the first quarter of 2026.

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At least some of the price action in post-IPO trading is due to the relatively small number of shares made available. SpaceX’s IPO is an outlier even by normal standards, with roughly 4.2% of its outstanding shares available to trade on day one.

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While a small float can lead to volatility for the company, some are more concerned about what happens to the broader market when insiders are able to sell more stock as so-called lock-up agreements expire.

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“The tricky part for me is as the float unlocks, how that’s absorbed over time,” said Jeremiah Buckley, a portfolio manager with Janus Henderson Investors. 

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“I don’t think absorbing a $75 billion IPO is that impactful, but if we’re talking about absorbing a trillion dollars in float that needs to come from somewhere and that makes me more nervous,” Buckley said.