SpaceX became the most valuable public company ever created in a single day on Friday, June 12. Its stock — trading under ticker SPCX — listed on the Nasdaq at $150, jumped as high as $176.52 intraday, and closed at $160.95, a 19.2% gain from the $135 IPO price. After-hours trading pushed the stock to $166.85, implying a market cap exceeding $2.2 trillion.

The IPO raised $75 billion through the sale of 555.6 million shares — the largest capital raise in market history. Elon Musk became the world's first trillionaire. Demand was unprecedented: retail orders exceeded $100 billion, with Musk allocating 20-30% of shares to individual investors, far above the typical 5-10% for large IPOs. BlackRock placed a $5 billion order.

The milestone came despite a last-minute 12-page letter from Senator Elizabeth Warren to the SEC requesting a delay, citing governance concerns and valuation risks. The SEC did not act, and trading proceeded as scheduled.

Why It Matters

SpaceX is not just another space stock. The company operates three distinct businesses: launch services (Falcon 9 and Starship), Starlink satellite broadband, and a nascent orbital AI infrastructure business that Musk has called "a wholly new cloud."

The financial picture is complex. Revenue hit $19.3 billion, growing 15.4% year-over-year, with gross margins of 48.8% and operating cash flow of $7.1 billion. But the company remains deeply unprofitable, reporting a net loss of $9.36 billion on accumulated deficits of $41.3 billion since 2002. Debt stands at $30.6 billion against $23.7 billion in cash — a 73.6% debt-to-equity ratio.

Still, Starlink is increasingly a cash machine. Operating cash flow has been positive since roughly 2015, per Musk. The satellite internet business alone drives the bulk of revenue with improving unit economics, and SpaceX projects a total addressable market of $28.5 trillion across launch ($0.4T), Starlink ($1.6T), and orbital AI infrastructure ($26.5T).

The Valuation Debate: $63 to $227

Only five analysts cover SPCX so far — a tiny universe for a $2.1 trillion company — and their views are wildly divergent. The consensus mean is $164, implying roughly flat returns from the debut close, but the range is extraordinary.

On the bullish side, the highest target sits at $227, which would value SpaceX at roughly $2.7 trillion. The bull thesis rests on three pillars: Starlink's already proven cash generation, Starship's potential to slash launch costs by an order of magnitude, and orbital AI data centers as a high-impact call option.

On the bearish side, Morningstar published a fair value of $63 per share — 53% below the IPO price — based on a DCF model that values SpaceX's core space and connectivity business at $611 billion and AI optionality at a probability-weighted $170 billion, for a total of $780 billion in enterprise value. Analyst Keith Snyder at CFRA issued a rare Sell rating with a $115 target, citing execution risks and a price-to-sales ratio of roughly 20x on 2027 estimates.

"The market is pricing in overly optimistic assumptions about Starlink's ability to sustain its growth trajectory and the probability of success for orbital AI projects," Morningstar wrote in its initiation note.

Other notable initiations include New Street Research at $165 (no formal rating) and Buy ratings from KGI and Oppenheimer.

Musk's Stranglehold on Governance

SpaceX's governance structure is among the most founder-friendly in public company history. Musk controls approximately 85% of voting power through Class B supervoting shares (10 votes each), compared to the single vote per share held by the public Class A stock.

The protections extend further. Musk is classified as CEO-for-life — the board cannot remove him without his consent. Shareholder lawsuits are restricted. The company is incorporated in Texas, a state known for founder-friendly corporate law. Musk also holds the power to allocate business opportunities favorably.

"You are essentially closing off every possible avenue for shareholders to have any influence at all," said Professor Ann Lipton of Tulane University, quoted by Reuters.

Senator Warren's letter to the SEC called the structure a "flashing red flag" for retail investors. In a separate analysis, the Harvard Corporate Governance blog described SpaceX as operating under a "small-minority controller" dynamic with "unusually weak checks and balances."

Musk's supporters argue that concentrated control is precisely why SpaceX succeeded where others failed — enabling the kind of long-horizon, capital-intensive bets (reusable rockets, Starship, Starlink's massive constellation) that quarterly-focused public companies rarely make.

Sector Impact: High Tide, Short-Term Rip

SpaceX's debut had an immediate gravitational effect on the space sector. On IPO day, AST SpaceMobile (ASTS) fell 15.5%, and Rocket Lab (RKLB) dropped 10.8%. Both stocks had rallied sharply in the weeks leading up to the IPO — RKLB surged 57-83% pre-debut, ASTS rose 68%.

"The profit-taking was predictable," Barron's noted. "Capital that rotated into space stocks on IPO anticipation is being repositioned now that the event has occurred."

Medium-term, the picture may be more favorable. SPCX's $2.1 trillion market cap makes it a near-certain candidate for S&P 500 inclusion within 6-12 months, which would force passive index funds to buy, driving further attention to the sector. Citigroup analysts recently argued that "SpaceX lifts all boats in the space sector for at least a 3-5 year window."

ARK Invest bought approximately 3.3 million SPCX shares on debut day, signaling confidence from one of the market's most prominent thematic investors.

The Bottom Line

SpaceX pulled off the largest IPO in history with spectacular first-day returns, a loyal retail base, and buzz that few companies can match. But the challenges are real: extreme valuation dispersion ($63 to $227), negative earnings and heavy leverage, a governance model that gives public shareholders virtually no voice, and the eventual lockup expiration in late 2026 that could release a wave of selling.

The next major milestones to watch: SpaceX's first quarterly earnings report as a public company (likely late July or August), Starship orbital test flight progress, Starlink subscriber growth numbers, S&P 500 inclusion announcements, and any signs of regulatory pushback on governance. Through all of it, Musk remains the story — the same way he was before the IPO, and the way he will be for the foreseeable future.