SpaceX's $1.75 Trillion IPO: Starlink Profits Power a High-Stakes Bet on Scale, AI, and Orbital Infrastructure

Space Exploration Technologies Corp. is preparing what would be the largest initial public offering in modern market history. The company, which filed its S-1 registration statement on May 20, 2026, is targeting a valuation of approximately $1.75 trillion and plans to raise up to $75 billion by selling roughly 555.6 million shares at a fixed price of $135 per share. Trading is expected to begin around June 12 under the ticker SPCX on Nasdaq.

This valuation represents a dramatic escalation from private-market levels. Secondary tender offers priced the company around $350–400 billion in mid-2025 and reached approximately $800 billion by late 2025. The February 2026 merger with Elon Musk’s xAI established a combined entity valued at $1.25 trillion. The IPO target implies a further step-up of roughly 40% from that level in just four months.

At the proposed $1.75 trillion equity value against 2025 revenue of $18.7 billion, SpaceX would trade at approximately 93.6 times trailing sales. This multiple sits far above the S&P 500 average (roughly 4–5x) and even exceeds the valuations commanded by high-growth technology peers at comparable scale. It prices in near-perfect execution across multiple capital-intensive bets that remain only partially proven in the public markets.

Starlink: The Profitable Core Driving Real Economics

The S-1 filing provides the first detailed public view of SpaceX’s segment-level performance and makes one fact unmistakable: Starlink (the connectivity segment) is the only consistently profitable business and the primary growth engine.

In 2025, the connectivity unit generated $11.39 billion in revenue — 61% of total company sales — and delivered $4.42 billion in operating income. In the first quarter of 2026, connectivity revenue rose to $3.257 billion (69% of total quarterly revenue of $4.694 billion) with operating income of $1.188 billion. Starlink’s active subscriber base reached 10.3 million by the end of Q1 2026, more than doubling year-over-year.

Adjusted EBITDA for the connectivity segment reached $7.168 billion for the full year 2025, demonstrating strong unit economics even as average revenue per user (ARPU) has faced downward pressure from scale, competition, and geographic expansion. The segment’s high incremental margins have allowed it to subsidize the capital-intensive launch and AI divisions.

By contrast, the Space segment (primarily Falcon 9 and Falcon Heavy launches, plus NASA/DoD contracts) generated roughly $4.1 billion in 2025 revenue but posted an operating loss of approximately $657 million. Significant R&D spending on Starship — reported in the billions — is currently expensed through this segment. The AI division (post-xAI merger) contributed revenue but recorded a large operating deficit exceeding $6 billion in 2025, driven by heavy infrastructure build-out including the Colossus supercomputer cluster.

Overall company results for 2025: $18.7 billion revenue (+33% YoY in some reports), adjusted EBITDA of $6.58–6.6 billion, operating loss of $2.59 billion, and GAAP net loss of $4.9 billion. Capital expenditures nearly doubled to $20.7 billion in 2025, with Q1 2026 capex exceeding $10 billion (the majority allocated to AI). Long-term debt stood at approximately $29.1 billion as of March 31, 2026.

These numbers reveal a classic high-growth, high-investment profile: a cash-flow-positive core business (Starlink) funding aggressive expansion in adjacent high-TAM verticals (next-generation launch and orbital AI infrastructure).

Valuation Math and Market Expectations

The proposed $1.75 trillion valuation implies investors are paying for two distinct stories simultaneously.

The first story is grounded. Starlink has achieved meaningful scale in a capital-intensive industry with high barriers to entry. It benefits from SpaceX’s vertical integration in launch (Falcon 9 reusability has driven down marginal launch costs dramatically) and holds a substantial lead in low-Earth-orbit broadband deployment (over 10,000 satellites). Government and enterprise contracts, including Starshield, add sticky revenue. Forward estimates from analysts and the company’s own disclosures point to Starlink potentially reaching $20 billion+ in revenue in 2026 with continued subscriber growth toward 15–20 million.

The second story is aspirational and far larger. The S-1 discloses a total addressable market (TAM) of $28.5 trillion, of which $26.5 trillion is attributed to AI (infrastructure, consumer subscriptions, advertising, and other opportunities). SpaceX envisions space-based data centers — swarms of satellites equipped with GPUs and powered by solar — potentially launching as early as 2028 and requiring thousands of launches per year. Goldman Sachs, the lead underwriter, has reportedly modeled AI-related revenue reaching $322 billion by 2030 within a total company revenue projection of $474 billion (Starlink ~$144 billion, launches ~$8.3 billion).

At scale, such projections would justify (and eventually compress) today’s multiple. However, they rest on several heroic assumptions: successful and timely Starship operational cadence, regulatory approval for massive additional satellite constellations and spectrum, technological feasibility of orbital data centers at competitive cost and latency, and sustained execution by a company that has already integrated a major AI acquisition while running large GAAP losses.

Skeptical voices, including some Morningstar analysis using discounted cash flow methods, have placed fair value closer to $780 billion — roughly 55% below the IPO target — citing execution risk, capital intensity, and governance considerations.

On X (formerly Twitter), market participants have highlighted the tension: Goldman’s bullish long-term forecasts coincide with its role as lead-left underwriter (a structural incentive worth noting), while others flag broader AI-related multiple compression risks in the broader technology sector ahead of the listing. Corporate governance observers have raised questions about the size of the offering and its potential impact on index inclusion rules and retail participation mechanics.

Risks, Catalysts, and Governance

Several material risks warrant analytical scrutiny:

• Starship execution risk. Current financials and launch cadence (165 Falcon 9 missions in 2025, many dedicated to Starlink replenishment) are impressive but still rely on the Falcon fleet. Starship is essential for dramatically lower marginal costs at constellation scale and for the orbital AI vision. Delays directly pressure cash flow and valuation.
• Capital intensity and dilution. Even with Starlink’s profits, the company is burning significant cash on AI infrastructure and Starship development. The large primary raise provides a buffer, but sustained high capex may necessitate further capital raises or debt.
• Competition and regulation. Amazon’s Project Kuiper, European and Chinese constellations, and terrestrial alternatives continue to advance. International licensing, spectrum allocation, orbital debris concerns, and geopolitical factors (Starlink’s role in conflicts and Musk’s public profile) add complexity.
• Multiple compression and macro sensitivity. A 90x+ sales multiple leaves little room for disappointment. Higher-for-longer interest rates or any slowdown in subscriber growth or ARPU would pressure the stock sharply.
• Governance and control. Elon Musk is expected to retain approximately 42% of economic ownership but a much higher percentage of voting control (reports range from ~79% to 85% via super-voting shares). This structure is not unprecedented in founder-led technology companies but will be scrutinized by institutional investors accustomed to more balanced governance.

Bull case catalysts include faster-than-expected Starship flight cadence, major new government or enterprise Starlink/Starshield wins, successful demonstration of space-based compute, and continued global subscriber momentum with stabilizing ARPU through premium tiers and direct-to-cell services.

Bottom Line: A Visionary Price for Proven Traction Plus Optionality

SpaceX enters the public markets with a genuinely differentiated asset in Starlink — a scaled, high-margin connectivity business with defensible launch economics that already generates substantial operating profit. That foundation is rare in the space sector and provides a credible base case that was absent in many earlier speculative space or deep-tech IPOs.

However, the $1.75 trillion valuation and $135 per share pricing embed aggressive assumptions about the monetization of a $26.5 trillion AI TAM via orbital infrastructure, continued hyper-growth in Starlink, and flawless capital allocation across a merged entity that includes a cash-burning AI business. The company has earned credibility through repeated launch successes and Starlink’s commercial traction, but public-market investors will now demand transparent quarterly disclosure on subscriber metrics, ARPU trends, Starship milestones, segment-level margins, and cash flow.

For a 20-year veteran of capital markets, this is not a simple “buy the dip or avoid at all costs” story. It is a high-conviction bet on one of the most ambitious industrial execution stories of the decade, priced at a level that leaves minimal margin for error. The coming quarters after listing will reveal whether Starlink’s real economics can continue to underwrite the broader vision — or whether the market will re-rate the company more conservatively toward levels supported by current cash flows and proven assets alone.

The IPO will test not only SpaceX’s valuation but also the market’s appetite for founder-controlled companies pursuing multi-trillion-dollar, multi-decade missions at scale. The numbers in the S-1 show both the strength of the present and the magnitude of the bets still ahead.