SpaceX debuted at $1.77 trillion and made Elon Musk the world’s first trillionaire. But the AI IPO boom of 2026 may be the biggest bubble since 1999. Here’s the full investor analysis.
On June 12, 2026, SpaceX became the largest company to debut on a public stock exchange in modern capital markets history. The company, which includes Elon Musk‘s xAI division and the X social media platform, priced its shares at $135 — placing its initial valuation at $1.77 trillion. Within hours of trading, SpaceX’s market capitalisation crossed $2 trillion, officially making Musk the world’s first trillionaire.
The financial press celebrated. Retail investors rushed in. And the question that should preoccupy serious analysts everywhere was quietly set aside: are investors in 2026 the ones making money, or the ones providing the exit liquidity for those who already did?
Saudi Aramco’s 2019 listing — previously the record holder — raised approximately $26 billion at pricing. SpaceX’s reported raise of up to $75 billion is in a different category entirely. Goldman Sachs led a 21-bank syndicate through the transaction, with Morgan Stanley, Bank of America, Citigroup, and JPMorgan in supporting roles.
The S-1 prospectus, publicly circulated on May 20 after a confidential filing on April 1, disclosed the first audited financials of the combined SpaceX-xAI entity. The numbers were striking: $18.67 billion in consolidated 2025 revenue, a $4.94 billion net loss, and adjusted EBITDA of $6.58 billion. The gap between those figures and a $2 trillion market capitalisation implies extraordinary confidence in a very distant future — a classic hallmark of speculative peak pricing.
The S&P 500 itself trades at approximately 16% above its intrinsic value on GuruFocus’s GF Value methodology. Add a company reporting net losses at a $2 trillion valuation, and the price of confidence becomes visible.
SpaceX’s debut is only the opening act of the most consequential IPO wave since the dot-com era. Two further listings are in various stages of preparation:
OpenAI confidentially filed its S-1 registration statement on June 9, 2026. The ChatGPT creator — valued at approximately $920 billion following its March 2026 funding round backed by Amazon, Nvidia, and SoftBank — is targeting a public listing as early as September 2026 at a valuation above $1 trillion. OpenAI’s gross margins remain constrained at approximately 33% due to inference compute costs projected to reach $14.1 billion in 2026. Cash-flow breakeven is not expected before 2029.
Anthropic, developer of the Claude family of AI models, filed its draft S-1 on June 1, 2026, following a $65 billion Series H funding round at a $965 billion post-money valuation. The company’s annualised revenue rate crossed $44 billion in May 2026, and it was reportedly on track for its first-ever operating profit — approximately $559 million — in Q2 2026.
Collectively, the three companies are targeting approximately $3.8 trillion in combined market capitalisation upon listing — a number that would make this the defining financial event of a generation.
The framing from Wall Street is seductive. SpaceX will make reusable rockets the backbone of global connectivity and eventually enable data centres in space. OpenAI will be first to achieve artificial general intelligence and capture a disproportionate share of the global software economy. Anthropic will become the enterprise AI stack for regulated industries that cannot tolerate hallucinations.
All three narratives are compelling. None is stress-testable on a discounted cash flow model. As one analyst framing it: “You’re not buying a store that makes ₹100 a day and may make ₹500 a day in five years. You’re buying a land title in a city that hasn’t been built yet.”
The critical question for investors who buy shares at or after IPO pricing: what is the entry point on the appreciation curve?
Private investors in SpaceX — those who entered in 2015 — have seen 100x to 800x returns on unrealised gains. Public investors buying SPCX at $135 per share are not entering at that point. They are entering at the moment those early backers convert unrealised gains into liquid cash. The IPO is not the beginning of the story; it is the exit mechanism for the investors who made the largest returns.
SPCX has already declined approximately 17% since its debut, with retail sentiment turning bearish. This is the market’s first verdict on whether $2 trillion was the right price.
The Centre for Economic and Policy Research launched its “AI Bubble Monitor” in June 2026, explicitly tracking signs that AI investment is exhibiting speculative excess. The timing is not coincidental.
Major AI firms have burned through billions in private capital. The hyperscalers — Microsoft, Google, Meta, Amazon — are collectively spending over $725 billion on AI infrastructure in 2026. Despite record revenue growth, the pure-play AI labs remain unprofitable at scale. OpenAI’s inference compute costs alone are projected at $14.1 billion for 2026, consuming most of its gross margin.
Companies integrating generative AI into operations are reporting “sticker shock” as licensing fees cut into bottom lines. Some enterprise customers are reportedly scaling back their AI subscriptions — a dynamic that could depress revenue projections for AI companies precisely when they are seeking public market validation.
The Centre for Economic and Policy Research’s concern is systemic: if SpaceX, OpenAI, or Anthropic prove unable to meet their financial obligations to other major players, the cascading effect across markets could be severe. Regulators appear poised to greenlight injection of these entities directly into the US financial system — via index funds and retirement accounts — before their business models are proven.
Multiple analysts have invoked the 1999 dot-com analogy. “2026 is looking like 1999,” said one senior analyst, citing investor and Wall Street positioning that has moved well beyond fundamentals.
The parallels are real: transformative technology driving premium valuations, narrative-driven investing outpacing fundamental analysis, first-mover advantages cited to justify losses, and retail investors flooding into IPOs at historic highs.
The differences matter too. Unlike many dot-com companies, SpaceX has real revenue ($18.67 billion in 2025), genuine physical infrastructure (rockets, satellites, ground stations), and a clear customer base (NASA, commercial operators, government contracts, Starlink subscribers). OpenAI and Anthropic have genuine enterprise traction. The underlying technology is materially more advanced than 1999’s web infrastructure.
But valuations that require 20 to 30 years of perfect execution to justify — on companies that have never achieved consistent profitability — embed significant risk regardless of the quality of the underlying business.
There is a subtler systemic risk embedded in the AI IPO boom that institutional investors are grappling with. When hundreds of billions flow into new AI listings, institutional portfolios must rebalance. Money rotating into SPCX, OpenAI, or Anthropic has to come from somewhere — and that somewhere is likely the existing Magnificent Seven: Apple, Microsoft, Alphabet, Amazon, Nvidia, Meta, and Tesla.
Even investors who never touch a single IPO share could feel this as a headwind in positions they already hold. The AI IPO wave may paradoxically create downward pressure on the very stocks that have been the primary beneficiaries of AI enthusiasm over the past three years.
For investors seeking exposure to the AI infrastructure thesis without the valuation risk of pure-play listings, there are more durable alternatives. Microsoft, Google, Meta, and Amazon benefit from AI demand through their cloud businesses while maintaining diversified revenue streams. Data centre REITs are trading at premiums as institutional capital seeks AI infrastructure exposure without single-company technology risk.
Goldman Sachs, Morgan Stanley, and JPMorgan — as the primary underwriters of the AI IPO wave — are generating record investment banking revenues. This may represent the most reliable near-term financial beneficiary of the AI IPO boom: the banks facilitating the transactions.
SpaceX’s listing at $2 trillion is a landmark moment in financial history — and a potential warning sign. The AI IPO wave of 2026 is testing the outer limits of public market confidence in transformative technology, at valuations that have no precedent and no reliable valuation framework.
The companies are real. The technology is real. The opportunity may be real. But the price at which public investors are entering the story is not the price at which the wealth was created.
As the Centre for Economic and Policy Research cautioned: for all the capital Silicon Valley is deploying into these technologies, “it’s still possible that predictions of endless growth could turn out to be another LLM-generated hallucination.”
Q: What is SpaceX’s IPO price?
A: SpaceX priced its IPO at $135 per share on June 11, 2026, valuing the company at approximately $1.77 trillion. Shares surged past $2 trillion on the first day of trading on June 12 under the ticker SPCX on the Nasdaq.
Q: When is the OpenAI IPO?
A: OpenAI confidentially filed its S-1 in June 2026 and is targeting a public listing as early as September 2026 at a valuation above $1 trillion. The public prospectus is expected 60–90 days after the confidential filing.
Q: Will the AI bubble pop in 2026?
A: Multiple analysts and the newly launched CEPR AI Bubble Monitor are flagging signs of speculative excess. Whether valuations are sustainable depends on AI companies converting investment into durable profits — a process that is years away for most pure-play AI firms.
Q: How much is SpaceX worth after its IPO?
A: SpaceX’s market capitalisation exceeded $2 trillion on its first day of trading, though the stock has since declined approximately 17% from its debut, reflecting early bearish sentiment from retail investors.
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