What is the best-funded private space company in 2026?

SpaceX is by far the best-funded private space company, having raised approximately $10.6 billion across 25+ priced rounds and reaching a $1.75T valuation in connection with its April 2026 confidential S-1 filing. The next-largest privates by total raised are Sierra Space ($2.25B), Relativity Space ($2.45B), Stoke Space ($1.45B), and Vast ($1.1B).

How much money has been raised by private space companies?

Tracking the largest disclosed totals, the top 47 private space companies have collectively raised approximately $30B. The top 10 alone account for roughly 82% of that total — concentration that mirrors the broader space-capital landscape (see /articles/the-funding-trapdoor/).

Which private space companies are most likely to IPO next?

SpaceX leads with a confidential SEC S-1 filed in April 2026 and a target June 2026 Nasdaq IPO. Other companies with formal IPO timelines or strong likelihood include Sierra Space (post-2026), Axiom Space (2027+), Stoke Space (2029+), K2 Space, Impulse Space, and Relativity Space.

Are most private space companies based in the US?

Yes. Of the top 25 best-funded private space companies, the vast majority are headquartered in the US. The structural reasons (anchor government customers, DARPA-style risk capital, deep aerospace talent base) are covered in our analysis at /articles/how-america-cornered-the-space-industry/.

Capital · 2026

Best-funded private space companies

47 private companies ranked by total capital raised. SpaceX leads at $10.6B; the top 10 hold roughly 82% of all tracked funding.

Total raised (tracked)

$30B

Top-10 share

82%

Companies tracked

Ranked by total capital raised

1
SpaceX / Starlink
$10.6B
Founded 2002 Hawthorne, CA Launch & Satellite Internet Valuation: $1.75T (IPO target) Status: filing
World's leading launch provider and operator of Starlink satellite internet constellation with 8M+ subscribers
2
OneWeb
$3.4B
Founded 2012 London, United Kingdom satellite-communications Status: acquired
OneWeb is a global communications company building a Low Earth Orbit (LEO) satellite constellation to deliver broadband connectivity worldwide. After emerging from bankruptcy in 2020, OneWeb completed its first-generation constellation and began commercial services, targeting gov…
3
Relativity Space
$2.45B
Founded 2015 Long Beach, CA Launch Valuation: $4.2B Status: possible
3D-printed rocket manufacturer developing Terran R medium-lift launch vehicle
4
Sierra Space
$2.25B
Founded 2021 Broomfield, CO Human Spaceflight Valuation: $8B Status: possible
Developer of Dream Chaser spaceplane and commercial space station modules
5
Stoke Space
$1.45B
Founded 2019 Kent, WA Launch Valuation: $2.0B Status: early
Developing fully and rapidly reusable rocket with innovative upper stage recovery
6
AST SpaceMobile
$1.4B
Founded 2017 Midland, United States satellite-communications Status: public
AST SpaceMobile is building the first and only space-based cellular broadband network accessible directly by standard smartphones, without requiring specialized hardware or additional equipment. The company's revolutionary BlueBird and BlueWalker satellites feature the largest-ev…
7
Vast
$1.1B
Founded 2021 Long Beach, CA Space Stations Valuation: $2.0B Status: possible
Commercial space station developer building Haven-1, the first single-launch commercial station
8
Axiom Space
$955M
Founded 2016 Houston, TX Space Stations Valuation: $2.5B Status: possible
Building the first commercial space station to succeed the ISS
9
Rocket Lab
$780M
Founded 2006 Long Beach, United States launch-services Status: public
Rocket Lab is a leading aerospace company providing end-to-end space solutions including launch services, spacecraft manufacturing, and on-orbit operations. Founded in 2006 by Peter Beck in New Zealand and now headquartered in Long Beach, California, the company has established i…
10
Firefly Aerospace
$589M
Founded 2017 Cedar Park, United States launch-services Status: public
Firefly Aerospace is an American launch and space systems company headquartered in Cedar Park, Texas, developing the Alpha small launch vehicle and the Blue Ghost lunar lander. Founded in 2017 by Tom Markusic after acquiring assets from the original Firefly Space Systems bankrupt…
11
Planet Labs
$540M
Founded 2010 San Francisco, United States earth-observation Status: public
Planet Labs PBC is a leading Earth observation company operating the largest fleet of Earth-imaging satellites ever deployed. Founded in 2010 by former NASA scientists, Planet provides geospatial data that enables governments, businesses, and NGOs to make more informed decisions …
12
Intuitive Machines
$500M
Founded 2013 Houston, United States lunar Status: public
Intuitive Machines is a leading commercial lunar services company providing spacecraft, landers, and space infrastructure supporting NASA's return to the Moon. In February 2024, the company achieved a historic milestone when its Odysseus Nova-C lander became the first commercial …
13
K2 Space
$426M
Founded 2022 Los Angeles, CA Satellite Manufacturing Valuation: $3B Status: early
Building ultra-high-power satellites for defense and commercial applications
14
CesiumAstro
$426M+
Founded 2017 Austin, United States satellite-communications Status: operational
CesiumAstro develops multi-beam phased array communications systems for satellites, UAVs, and other platforms. The company's active electronically steered array (AESA) technology enables high-bandwidth, software-defined communications that can dynamically allocate capacity. Cesiu…
15
Astroscale
$380M
Founded 2013 Tokyo, Japan in-space-services Status: operational
Astroscale is a pioneering on-orbit servicing company developing satellite life extension, space situational awareness, and active debris removal solutions. Founded in 2013 by Mitsunobu Okada in Singapore and now headquartered in Tokyo, Astroscale is addressing the growing challe…
16
Astra
$355M
Founded 2016 Alameda, United States launch-services Status: private
Astra Space is an American launch and spacecraft-propulsion company that developed small orbital rockets with a goal of frequent, low-cost launches for small satellites. Founded in 2016 in Alameda, California, and led by CEO Chris Kemp and CTO Adam London, Astra went public via S…
17
BlackSky
$310M
Founded 2014 Herndon, United States earth-observation Status: public
BlackSky is a real-time space-based intelligence company operating one of the most advanced commercial Earth observation systems, combining the Spectra AI-powered analytics platform with a proprietary constellation of high-resolution imaging satellites. The company specializes in…
18
Isar Aerospace
$310M
Founded 2018 Ottobrunn, Germany launch-services Status: operational
Isar Aerospace reached orbit on 5 September 2026 on the second flight of its Spectrum rocket from Andøya, the first orbital launch by a commercial company from continental Europe. Isar Aerospace is a German aerospace company founded in March 2018 by Daniel Metzler (CEO), Markus B…
19
Voyager Space
$300M+
Founded 2019 Denver, United States space-stations Status: public
Voyager Space is a space exploration company building the future of commercial space stations and in-space services through strategic acquisitions and partnerships. The company leads development of the Starlab commercial space station in collaboration with Airbus, creating infras…
20
Spire Global
$292M
Founded 2012 Vienna, United States earth-observation Status: public
Spire Global is a space-to-cloud analytics company that collects data through its proprietary satellite constellation and provides predictive insights for maritime, aviation, and weather customers. Founded in 2012 and headquartered in Vienna, Virginia, Spire operates over 100 nan…
21
Momentus
$260M
Founded 2017 San Jose, United States in-space-services Status: restructured
Momentus was a commercial in-space transportation company that developed the Vigoride orbital service vehicle for satellite deployment and hosted payload services using water plasma propulsion. The company went public via SPAC in 2021 but faced severe regulatory and financial dif…
22
True Anomaly
$250M+
Founded 2022 Denver, CO Defense Valuation: $500M+ Status: early
Space domain awareness and satellite servicing for national security applications
23
ABL Space Systems
$245M
Founded 2017 El Segundo, United States launch-services Status: restructured
ABL Space Systems, now rebranded as Long Wall following a strategic pivot in late 2024, was an American launch vehicle developer that operated the RS1 small-lift rocket. After setbacks with the RS1 program, the company transitioned to defense applications focusing on missile defe…
24
Satellogic
$180M
Founded 2010 Davidson, United States earth-observation Status: public
Satellogic is an Earth observation company building a 200+ satellite constellation to provide affordable, high-resolution geospatial imagery enabling weekly remapping of the entire planet. Founded in Argentina and now headquartered in Delaware as a U.S. company, Satellogic operat…
25
Impulse Space
$150M+
Founded 2021 Redondo Beach, CA In-Space Services Valuation: $400M+ Status: early
In-space transportation and orbital transfer vehicle provider
26
Varda Space Industries
$150M+
Founded 2020 El Segundo, CA In-Space Manufacturing Valuation: $500M+ Status: early
In-space manufacturing company producing pharmaceuticals and materials in microgravity
27
Hermeus
$100M+
Founded 2018 Atlanta, United States aerospace Status: development
Hermeus, founded in 2018 and headquartered in Atlanta, Georgia, is developing hypersonic aircraft capable of Mach 5+ speeds — targeting the potential to reduce transatlantic flight times to 90 minutes (New York to London) through a turbine-based combined cycle (TBCC) propulsion a…
28
Slingshot Aerospace
$80M+
Founded 2017 Austin, United States space-situational-awareness Status: operational
Slingshot Aerospace develops AI-powered space domain awareness and simulation software. The company's Slingshot Beacon platform provides real-time space safety and sustainability analytics, while its digital space twin enables mission simulation and training. Slingshot has contra…
29
Logos Space
$50M
Mountain View, United States satellite-communications Status: development
Logos Space (operating as Logos Space Services, doing business online as logos.space) is a Mountain View, California-based startup founded by Milo Medin, a former Google Vice President of Wireless Services, to build a large low Earth orbit satellite network the company describes …
30
Commcrete
$29M
Founded 2022 Shoham, Israel satellite-communications Status: operational
Commcrete is an Israeli tactical satellite-communications company, founded in 2022 and based in Shoham, that builds compact satcom devices for defense, security and emergency-response customers. Its product line includes Flipper, a converter that turns existing military-grade rad…
31
Starfish Space
$21M
Founded 2019 Kent, United States in-space-services Status: operational
Starfish Space is developing the Otter spacecraft for satellite servicing, enabling life extension through docking and repositioning of satellites in orbit. Founded in 2019 by former Blue Origin engineers Austin Link and Trevor Bennett, Starfish Space is advancing autonomous rend…
32
Epsilon3
$18M
Founded 2021 Los Angeles, United States software Status: operational
Epsilon3 is a space operations software company founded by former SpaceX and Google engineers. The company's platform digitizes and automates complex test and launch procedures, replacing paper-based processes with real-time collaborative workflows. Used by major launch providers…
33
Synthetaic
$16M
Founded 2019 Milwaukee, United States artificial-intelligence Status: operational
Synthetaic develops AI models that can detect and identify objects in satellite imagery with minimal training data. The company's RAIC (Rapid Automatic Image Categorizer) platform can analyze satellite imagery to find ships, vehicles, infrastructure, and other objects of interest…
34
Scout Space
$15M
Founded 2019 Washington, United States space-situational-awareness Status: operational
Scout Space, founded in 2021 and based in the United States, develops hosted payload space domain awareness (SDA) sensors that ride as secondary payloads on commercial satellite buses — providing persistent in-orbit optical surveillance of the near-Earth space environment for the…
35
Diffraqtion
$10M+
Founded 2025 Somerville, United States quantum Status: development
Diffraqtion is a Somerville, Massachusetts-based startup founded in 2025 that builds quantum-imaging cameras for space, airborne and industrial applications. Its technology pairs passive optical components with AI-based decoding software to capture structural information in light…
36
Catalyx Space
$7.1M
Founded 2024 San Francisco, United States satellite-manufacturing Status: operational
Catalyx Space is a San Francisco-based startup, founded in 2024 by co-founder and CEO Rifath Shaarook (previously known for developing KalamSat, reported as one of the smallest satellites ever flown, as a teenager), building a satellite bus called Cosmotron and a reentry cargo ca…
37
Sophia Space
$7M
Founded 2025 Pasadena, United States computing Status: development
Sophia Space is a Pasadena, California-based orbital-compute startup founded in 2025 by CEO Robert DeMillo and co-founder Brian Monnin, with a founding team drawn from NASA's Jet Propulsion Laboratory, Microsoft and commercial-computing backgrounds. The company is developing TILE…
38
Orbital
$5M
Founded 2026 Los Angeles, United States computing Status: development
Orbital (legally Orbital Compute, Inc.) is a Los Angeles-based startup founded in early 2026 by CEO Euwyn Poon to build a constellation of GPU-equipped satellites in low Earth orbit for running Nvidia AI compute workloads in space. Its pitch is that space offers continuous, low-c…
39
Kayhan Space
$4M
Founded 2018 Boulder, United States space-situational-awareness Status: operational
Kayhan Space, founded in 2020 and headquartered in Boulder, Colorado, develops autonomous space traffic management (STM) and collision avoidance software for satellite operators navigating an increasingly congested orbital environment. As low-Earth orbit fills with tens of thousa…
40
Galaxia Space Systems
$3.25M USD
Founded 2020 Halifax, Canada earth-observation Status: operational
Galaxia Space Systems (operating online as gx.space) is a Halifax, Nova Scotia-based space computation company that designs intelligent Earth observation satellites with onboard edge-compute platforms for real-time data processing. Founded in 2020 by CEO Arad Gharagozli while he …
41
Astradyne
€2.4M
Founded 2021 Bari, Italy power-systems Status: development
Astradyne is a Bari, Italy-based deep-tech startup, founded in 2021, that develops lightweight, high-performance deployable solar power systems for small satellites, with a parallel photovoltaic product line for terrestrial use. Its flagship space product, Solar-Z, is a compact d…
42
EDGX
€2.3M
Founded 2023 Ghent, Belgium computing Status: operational
EDGX is a Ghent, Belgium-based startup, founded in 2023 by CEO Nick Destrycker and CTO/COO Wouter Benoot, that builds radiation-hardened, AI-capable onboard computers for satellites. Its flagship Sterna computer, built around Nvidia Jetson hardware, and its Morus computer and Spa…
43
Messium
£4.7M
Founded 2023 London, United Kingdom agriculture Status: operational
Messium is a London-based precision-agriculture startup, incorporated as Messium Ltd on 5 May 2023, that uses AI models applied to commercial hyperspectral satellite imagery to assess nitrogen levels in crops. Its platform is designed to tell farmers when, where and how much fert…
44
nxgsat
€1.2M
Belgium satellite-communications Status: operational
nxgsat is a Belgian startup, founded by Alain Rolle and Frederik Simoens, that develops interoperable 5G Non-Terrestrial Network (NTN) satellite modem technology intended to let terrestrial and multi-orbit satellite networks work together using standardized, cloud-native, softwar…
45
PLD Space
€488M
Founded 2011 Elche, Spain launch-services Status: operational
PLD Space (Payload Aerospace S.L.) is a Spanish launch company founded in 2011 in Elche, developing partially-reusable launch vehicles Miura 1 and Miura 5. Miura 1, a suborbital sounding rocket for microgravity research and technology development, successfully launched on October…
46
Quadsat
€5M+
Founded 2017 Odense, Denmark defense Status: operational
Quadsat is a Danish company, founded in 2017 and based in Odense, that builds drone-mounted and UAV-integrated radio-frequency sensing and electronic-warfare payloads. The company's origins are in drone-based antenna-testing equipment for the satellite-communications industry, an…
47
Starlink
Included in SpaceX
Founded 2015 Hawthorne, United States satellite-communications Status: operational
Starlink is a satellite internet constellation operated by Starlink Services, LLC, a subsidiary of SpaceX, providing high-speed, low-latency broadband internet globally. As of late 2025, SpaceX has launched over 10,000 Starlink satellites, making it the largest satellite constell…

Frequently asked about space funding

What is the best-funded private space company in 2026?: SpaceX is by far the best-funded private space company, having raised approximately $10.6 billion across 25+ priced rounds and reaching a $1.75T valuation in connection with its April 2026 confidential S-1 filing. The next-largest privates by total raised are Sierra Space ($2.25B), Relativity Space ($2.45B), Stoke Space ($1.45B), and Vast ($1.1B).
How much money has been raised by private space companies?: Tracking the largest disclosed totals, the top 47 private space companies have collectively raised approximately $30B. The top 10 alone account for roughly 82% of that total — concentration that mirrors the broader space-capital landscape (see /articles/the-funding-trapdoor/).
Which private space companies are most likely to IPO next?: SpaceX leads with a confidential SEC S-1 filed in April 2026 and a target June 2026 Nasdaq IPO. Other companies with formal IPO timelines or strong likelihood include Sierra Space (post-2026), Axiom Space (2027+), Stoke Space (2029+), K2 Space, Impulse Space, and Relativity Space.
Are most private space companies based in the US?: Yes. Of the top 25 best-funded private space companies, the vast majority are headquartered in the US. The structural reasons (anchor government customers, DARPA-style risk capital, deep aerospace talent base) are covered in our analysis at /articles/how-america-cornered-the-space-industry/.

Ranked by total capital raised

Frequently asked about space funding

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