Jun 3, 2026 · 11:49 PM
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SpaceX is asking public investors to believe in something that isn't in the numbers yet

SpaceX's June IPO targets a valuation of up to $2 trillion, implying a 100x trailing revenue multiple that requires decade-long 40% annual growth just to break even, raising hard questions for public market investors.

Walter Schulze
· 6 min read · 521 views
SpaceX is asking public investors to believe in something that isn't in the numbers yet

SpaceX is targeting a June IPO at a valuation between $1.75 trillion and $2 trillion, which sounds like proof of a thriving space economy until you look at what the multiple actually requires investors to believe.

Elon Musk has spent years insisting SpaceX would stay private. The company's growing complexity, after absorbing xAI into its corporate structure, combined with a voracious need for cash to fund its space-based data center ambitions, has apparently changed that calculus. The IPO is now effectively confirmed via a confidential SEC filing, a June target date, and a lineup of Wall Street banks earning what could be $2.5 billion in fees on a $50 billion raise. The biggest listing in market history is being assembled in real time.

The number that should stop every serious investor cold is this: at the reported $1.75 trillion target valuation and SpaceX's projected 2026 revenue of around $28.5 billion for the combined entity, you arrive at a forward revenue multiple of roughly 61 times. On a trailing basis, according to Wall Street Prep analysis, the multiple is closer to 100 times. To justify that, you would need sustained annualized revenue growth of roughly 40 percent for a decade. No company at SpaceX's current scale has ever done that. That is not the bull case. That is the baseline required just to make the numbers work.

The standard approach for valuing a business like SpaceX is sum-of-the-parts analysis. You break the company into its divisions, apply relevant industry multiples to each, and aggregate. Starlink's consumer satellite segment might trade at around 30 times revenue. Government launch services, a more commoditized business, perhaps five times. The direct-to-cell offering, still in early commercialization, around 35 times. Those are already aggressive. Then you hit xAI. The AI subsidiary that Musk folded into SpaceX generated revenues of roughly $500 million in 2025. At the implied $250 billion valuation assigned to it in the merger, that is a multiple of 500 times trailing revenue. Cloudflare, one of the most aggressively priced high-growth IPOs in recent memory, listed at around 30 times trailing revenue. The xAI slice of this deal is being valued at more than sixteen times that.

For context, SpaceX generated roughly $8 billion in EBITDA on $15 to $16 billion in revenue in 2025, according to Reuters. That profit figure is real and impressive. Revenue growth has been genuinely rapid, running at 51 percent in 2024 and as high as 100 percent in earlier years. Morningstar called a $1.5 trillion valuation expensive but not irrational. PitchBook went the other direction entirely, putting fair value between $11 trillion and $17 trillion in a long-run scenario anchored to what Starlink and Starship could become if everything goes right. The range of credible estimates tells you everything about how speculative this exercise is.

The Capital Structure Problem

There is a structural reality here that gets lost in the excitement over the headline valuation. The xAI business that was folded into SpaceX is burning approximately $1 billion per month. The planned space-based AI data center is one of the most capital-intensive projects any private company has ever attempted. This IPO is not primarily a liquidity event for early investors. It is a financing mechanism. SpaceX needs the $50 to $75 billion it intends to raise. That money will be consumed. The question for a public market investor is not whether the vision is exciting. It is whether the shares they buy at this price will be worth more after that capital has been deployed.

The timing is also worth thinking through carefully. SpaceX is not the only mega-deal heading for public markets in 2026. Anthropic and OpenAI are both laying groundwork for IPOs in the same window, each potentially of comparable scale, all competing for the same pool of institutional capital in effectively the same category of technology and AI. The entire U.S. IPO market raised around $170 billion in 2025, across more than 1,300 deals. Three of the largest potential listings in history are now targeting the same twelve-month window. Something has to give, and the price that gives is usually the one at the margin.

The Tesla Precedent

The counter-argument almost writes itself. Tesla listed during the shadow of the 2008 financial crisis, when auto companies were deeply unloved, and delivered extraordinary returns by repositioning itself as a technology company. Critics who called the Tesla valuation irrational at listing have spent fifteen years being wrong. Musk's defenders will make this argument loudly, and it is not without merit. He has a track record of building businesses that outpaced even optimistic projections.

But Tesla listed at a market capitalization of around $2 billion. SpaceX is asking investors to participate at a valuation a thousand times larger, with an equivalent growth rate priced in from day one. The early investors who held Tesla through the difficult years captured the compounding. Public investors buying SpaceX at this price are being asked to fund the next phase of compounding, at a starting multiple that leaves almost no margin for error, delay, or the kind of execution stumbles that are inevitable in businesses operating at the frontier of physics and orbital mechanics.

What Public Investors Are Actually Buying

Nir Kaissar, writing in Bloomberg, put the core tension well: to make money on this IPO, you do not just need to believe in SpaceX's existing businesses. Those are already priced in and then some. You need to believe in something that is not yet in any of the current financial statements: a functioning space-based AI data center, a Mars colonization program with commercial revenue, or a direct-to-cell business that achieves mass consumer adoption at scale. That is not an investment thesis you can build on discounted cash flow analysis. It is a bet on a vision.

Visions have occasionally been worth betting on. But public markets have a long history of pricing revolutionary narratives at maximum optimism precisely when the story is most exciting and the hard engineering is still years from completion. SpaceX is extraordinary by almost any measure you apply to it. The question the IPO forces is a different one: how much of extraordinary has already been priced, and how much more extraordinary does it need to become for investors who buy in June to come out ahead? That is the honest question, and the honest answer is one the roadshow presentations are unlikely to spend much time on.

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Walter Schulze brings all the breaking news stories in the tech and startup world and to ensure that Startup Fortune offers a timely reporting on the trends happen in the industry. He now works on a part time basis for Startup Fortune specializing in covering tech and startup news and he also sheds light on investment opportunities and trends.
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