The complete tracker for commercial space companies from pre-IPO to public listing. SpaceX, Relativity Space, Axiom Space, Firefly Aerospace, and every major launch vehicle and satellite company.
Ranked by valuation. SpaceX leads the largest IPO in history; Rocket Lab is already public. The rest are pre-IPO or IPO-pending.
The world's most valuable private company. Starlink has 6M+ subscribers generating $13.5B+ ARR. S-1 filed May 20, roadshow June 8, Nasdaq target June 18–30. $75B raise at $1.75T–$2T valuation — largest IPO in history.
Massive LEO satellite constellation providing global broadband. Competing with Starlink on a faster timeline for IPO. $12.5B valuation — one of the highest-valued space companies not yet public.
First and only aerospace company 3D-printing entire orbital rockets. Terran R fully reusable rocket targets first launch 2026. $6.5B valuation with no immediate IPO pressure after closing late-stage funding.
Building the world's first commercial space station. Axiom Station modules already attached to ISS. Private astronaut missions generating revenue. $5B valuation, IPO target 2026–2027.
Alpha rocket commercially operational with DoD and commercial payloads. $4B valuation. Revenue-generating but pre-profitability. IPO timeline TBD — may seek strategic alternative over near-term IPO.
Electron (small payload) and Neutron (medium payload) launch vehicles. Neutron targets first flight 2025–2026. Electron has launched 50+ missions. Already public on Nasdaq since March 2025 — currently ~$4.2B market cap.
Full comparison for investors evaluating space sector allocation before the SpaceX IPO.
| Company | Valuation | Revenue (2025) | IPO Status | IPO Timeline | Key Investor Access |
|---|---|---|---|---|---|
| 🚀 SpaceX | $1.75T–$2T | $18.7B | S-1 Filed May 20 | June 18–30, 2026 | Robinhood, Fidelity, E*TRADE (30% retail) |
| Axiom Math | $12.5B | — | Pre-IPO | 2026–2027 | Secondary market (accredited) |
| Relativity Space | $6.5B | — | Pre-IPO | TBD | Secondary market (accredited) |
| Axiom Space | $5B | Revenue-generating | Pre-IPO | 2026–2027 | Secondary market (accredited) |
| Firefly Aerospace | $4B | Early revenue | Private | TBD | Secondary market (accredited) |
| Rocket Lab | $4.2B (market cap) | ~200M+ | Public — Nasdaq | Already trading | Any brokerage (RKLB) |
Investor access guide for the Space Pre-IPO Stack — from retail IPO access to accredited-only secondary markets.
Register for IPO access on Robinhood, Fidelity, E*TRADE, or SoFi Securities. SpaceX committed to 30% retail allocation — unprecedented for a mega-cap IPO. No minimum investment.
Secondary market platforms: EquityZen, Republic, Linqto. Minimums typically $10K–$25K. Availability varies based on current shareholder willingness to sell. No guaranteed liquidity.
Already trading on Nasdaq. Buy through any brokerage — Fidelity, Schwab, Robinhood, etc. No accreditation required. Full liquidity, no lock-up.
Private company. Secondary market is the only route for non-founders. EquityZen and similar platforms occasionally have inventory. $4B valuation, early revenue stage.