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SpaceX isn’t just a rocket company anymore. This has been said for years, but the SpaceX S-1 filing made it concrete with numbers for the first time.

TL;DR

SpaceX plans to list on Nasdaq as SPCX at $135/share with a $1.75T valuation, targeting a $75B raise — the largest IPO in stock market history. The company generates 58% of its revenue from Starlink satellite internet, which is also its only profitable division ($1.19B net profit in 2024). The rocket launch business remains a net loss on paper, sustained by Starlink’s cash flow.

What It Is

SpaceX (Space Exploration Technologies Corp.) was founded in 2002 with the mission to make humanity multi-planetary. But the financial foundation of that grand narrative is Starlink — a global broadband network of thousands of low-Earth-orbit satellites.

According to the S-1 filed in May 2026, SpaceX’s business has three segments:

  1. Launch (rocket launch services): Falcon 9, Falcon Heavy, Starship
  2. Starlink (satellite internet): consumer and enterprise broadband
  3. Starshield (government secure communications): US government and military satellite services

Why It Matters

Numbers from SpaceX’s S-1:

  • Starlink subscribers: approximately 10.3 million (late 2025)
  • Starlink share of total revenue: 58%
  • Connectivity division net profit: $1.19B (2024)
  • Starlink is the only profitable division

Rocket launch services are a technical marvel (Falcon 9’s first stage is nearly 100% reusable), but the cost structure still makes it difficult to profit on launches alone. Starship development costs even more. The whole operation runs on Starlink subscription fees coming in from 10+ million subscribers every month.

Valuation Logic

How does a $1.75T valuation hold together?

From a Starlink-only comparable framework: with 10.3M subscribers and monthly ARPU around $100-120, annualized ARR is roughly $12-15B. At a 10-12x SaaS ARR multiple for a high-margin satellite services business, Starlink alone is worth $120-180B.

Add Falcon 9’s dominant launch position (60%+ of global orbital launches), Starship’s long-term potential market (deep space, lunar base, Mars), and Starshield’s government contract moat — $1.75T is aggressive, but not groundless.

Risk Factors

Key risks disclosed in the S-1:

  • Elon Musk concentration risk: the filing explicitly acknowledges Musk’s personal brand and decision-making are central to the company — and explicitly acknowledges he simultaneously manages Tesla, xAI, and X
  • Starlink competition: Amazon Project Kuiper, EU’s IRIS², and multiple Chinese government constellation programs are advancing
  • Starship technical and regulatory uncertainty: Starship is SpaceX’s next-generation core system but still in testing with uncertain commercial timelines

Engineering Perspective

Reusable Rockets Changed the Cost Structure

Falcon 9’s first-stage booster can be reused (current record: a single booster flying over 20 times), cutting per-launch cost from traditional expendable rockets’ $5,000-10,000/kg to approximately $2,700/kg. This cost advantage is the foundation that made aggressive Starlink satellite deployment economically viable.

Starship’s goal is more aggressive: fully reusable super-heavy rocket targeting under $100/kg — an order of magnitude below current Falcon 9. If achieved, it fundamentally changes the economics of LEO deployment.

Starlink’s competitive advantage isn’t just satellite count (~7,000 satellites now) — it’s vertical integration:

  • SpaceX manufactures satellites itself (extremely low cost)
  • SpaceX launches satellites itself (extremely low cost)
  • SpaceX operates the constellation itself (system optimization)

Amazon’s Project Kuiper must outsource launches; OneWeb was rebuilt after acquisition. Neither can replicate this integration advantage easily.

What to Watch

  1. Whether pricing holds: Can $1.75T get absorbed by public markets in 2026? Compared to Nvidia ($3T+) and Apple ($3.5T+), this valuation fits within the tech mega-cap range, but SpaceX’s profitability doesn’t yet match these multiples.

  2. Starship commercialization timeline: Post-IPO, the next major milestone is Starship full-scale commercial launch service.

  3. Musk’s time allocation: Investors must accept the reality of Elon Musk simultaneously running SpaceX, Tesla, xAI, and X.

References

Tags

#spacex#ipo#starlink#business#elon-musk

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