What Investors Should Focus On In The SpaceX IPO
SpaceX’s S‑1 finally shows the numbers behind the myth, and they tell a very different story than the $1.75 trillion headlines. Beneath the Mars rhetoric is a company stitching together three businesses, burning unprecedented amounts of cash on AI, and relying on contracts that can disappear with 90 days’ notice. By tomorrow you will have read approximately one thousand takes on what this means for humanity, Mars and the price of methane. This is not one of them.
What matters now is what the filing actually says once you get past the headlines. And that is where the story shifts.
As someone who has spent a lifetime auditing companies, my interest is narrower. When a private company finally has to show its work to the SEC, the interesting parts are the ones the prospectus doesn't shout about — the recast numbers, the contingent liabilities tucked into recent developments, the unit economics buried under non-GAAP measures.
SpaceX is genuinely one of the most remarkable companies ever built. It also asks the public markets to value it on a set of financials that have a few sleights of hand.
Below are eight things in the filing that deserve more attention than they will get.
1. SpaceX Rebuilt Its Financials Around A Different Company
The first thing to know is that the SpaceX in the S-1 is not the SpaceX you’ve been reading about for twenty years. The consolidated financials have been retrospectively recast to fold in xAI (acquired February 2026) and X Holdings, the old Twitter (folded into xAI in March 2025), because all three sit under Musk's common control. The headline of 2025 revenue of $18.7 billion with a $2.6 billion operating loss is not the SpaceX rocket-and-Starlink business. It is the combined Frankenco, with a full year of xAI's losses and X's advertising business positioned as if they had been part of SpaceX all along.
Strip out the AI segment for Q1 2026 and the picture flips: SpaceX's actual Space and Connectivity businesses generated roughly $3.9 billion of revenue with positive operating income. The AI segment alone lost $2.5 billion on $818 million of revenue. The recasting is legitimate under GAAP, but it has the practical effect of making the rocket company look much worse than it is and the AI company look much bigger than it is.
2. AI Capex Is Going Vertical And Cash Flow Can’t Catch It
AI........
