Upcoming Space IPOs
Track potential IPO candidates from private space companies. Last updated: 2026-09-21
IPO candidate list: New Space Tracker editorial research, Sep 2026. Valuation estimates from company disclosures, press reports, and secondary-market transaction data. Top valuation ($10B) is the highest remaining private-company mark on this list (Stoke Space, Reuters Sep 2026). Recently-public market caps are Yahoo Finance quotes as of 2026-09-21. All figures are estimates — not confirmed offering prices. See methodology for sourcing standards.
SpaceX is public: Nasdaq SPCX
SpaceX listed on June 12, 2026 in a traditional IPO, the largest on record. It is no longer on the private-company watch list.
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Not Investment Advice: The information on this page is for informational purposes only and does not constitute investment advice, financial advice, trading advice, or any other sort of advice. You should not treat any of the website's content as such.
Speculative Information: IPO timelines, valuations, and company data are based on publicly available reports, news articles, and analyst estimates. This information is speculative, may be outdated, and may not reflect actual company plans or current market conditions.
Do Your Own Research: Before making any investment decisions, conduct your own due diligence and consult with a qualified financial advisor. Past performance does not guarantee future results.
IPO Watch List
Fully reusable Nova launch family (Pathfinder and Block 2) from Kent, Washington.
8 Sep 2026: Stoke announced a $1 billion Series E co-led by Point72 Ventures and Spark Capital. Reuters reported a roughly $10 billion valuation. Nova Pathfinder first flight slipped to early 2027.
- ! No orbital flights yet
- ! First-flight date has slipped from 2025/2026 into 2027
- ! Competitive launch market
- ! Heavy capital needs before revenue
Defense-tech spacecraft manufacturer; Dream Chaser spaceplane and national-security satellites.
5 Mar 2026: Sierra Space closed a $550 million Series C at an $8 billion valuation (company PR, Reuters, SpaceNews). CEO Dan Jablonsky. No public IPO timetable.
- ! No IPO date set
- ! Dream Chaser schedule risk
- ! High cash burn
- ! Defense-program concentration
High-power Mega Class satellite buses for defense, communications and orbital compute.
30 Jul 2026: K2 closed a $500 million Series D at a $6.8 billion valuation. The company said the round took cumulative capital past $1 billion. GRAVITAS reached orbit in March. No IPO announced.
- ! Still scaling from first on-orbit bus to production rate
- ! Defense-contract concentration
- ! Capital intensity of factory ramp
- ! No IPO announced
In-space transportation: Mira OTVs and Helios high-energy kick stage.
16 Sep 2026: Impulse added $308 million to its Series D (SpaceNews, Reuters). Reuters reported a $5.4 billion mark from a source close to the company. Hired first CFO. No IPO announced.
- ! Valuation on the September extension is a Reuters source, not a company figure
- ! Capital-intensive manufacturing scale-up
- ! Helios not yet flown
- ! No IPO announced
Terran R medium-to-heavy launch vehicle; Eric Schmidt is CEO after a 2025 recapitalization.
9 Sep 2026: NASA added still-unflown Terran R to NLS II. July 2026: Relativity Federal joined NSSL Phase 3 Lane 1. No IPO announced.
- ! No successful orbital launch
- ! Terran 1 did not reach orbit
- ! Strategic pivot after Schmidt takeover
- ! IPO unlikely before flight heritage
Commercial space station modules and private astronaut missions to succeed the ISS.
June 2026: Axiom closed a $175 million extension of the QIA/Type One round (MUFG joined). Station assembly remains sequenced for a late-2020s free-flyer. No IPO filing.
- ! Station capex
- ! ISS retirement timing
- ! Competition from Vast and others
- ! Prior down-round in 2025
Jackal autonomous spacecraft and Mosaic software for space domain awareness and national security.
28 Apr 2026: True Anomaly raised $650 million Series D at a $2.2 billion valuation, taking total capital past $1 billion. No IPO announced.
- ! Defense-budget concentration
- ! Classified-contract opacity
- ! Crowded national-security space market
- ! No IPO announced
Haven-1 single-module commercial station; Haven-2 proposed ISS successor.
March 2026: Vast raised $500 million to accelerate Haven production. Haven-1 remains targeted for first-quarter 2027. The round did not disclose a new valuation.
- ! Haven-1 slipped from 2026 into 2027
- ! Uncertain commercial demand for stations
- ! Competition from Axiom
- ! Founder concentration
In-space pharmaceutical and materials manufacturing with Earth-return capsules.
February 2026: Secondary-market databases (Forge, PitchBook) list a ~$251 million Series D at $1.58 billion. Varda has not published that round. No IPO announced.
- ! Series D terms are database-reported, not company-confirmed
- ! Novel pharma/regulatory path
- ! Capital-intensive flight cadence
- ! Early revenue
Recently Public Space Companies
Space companies that have gone public in recent years, through traditional IPOs or SPAC mergers. Market caps as of 2026-09-21.
SpaceX
SPCXLaunch, Starlink and related businesses; Nasdaq listing 12 Jun 2026, largest IPO on record at $135/share.
Firefly Aerospace
FLYSmall-to-medium launch provider and lunar services company
Rocket Lab
RKLBSmall launch provider and spacecraft manufacturer
AST SpaceMobile
ASTSDirect-to-smartphone satellite network
Planet Labs
PLEarth observation satellite constellation operator
Intuitive Machines
LUNRLunar lander and space services company
Redwire
RDWSpace infrastructure and manufacturing
BlackSky
BKSYReal-time geospatial intelligence company
Spire Global
SPIRSatellite data and analytics company
Sources
- Nasdaq — SpaceX (SPCX) historic IPO
- Wikipedia — Initial public offering of SpaceX
- Reuters — Stoke Space $1B round, ~$10B valuation (8 Sep 2026)
- Reuters — K2 Space $500M Series D at $6.8B; total capital over $1B (30 Jul 2026)
- Sierra Space — $550M Series C at $8B (5 Mar 2026)
- Vast — $500M Haven funding (5 Mar 2026)
- Reuters — Impulse Space Series D extension (16 Sep 2026)
- SpaceNews — True Anomaly $650M Series D (28 Apr 2026)
- Yahoo Finance quotes (SPCX, FLY, RKLB, ASTS, PL, LUNR, BKSY, SPIR, RDW) 21 Sep 2026