Funding rounds
Announced	Stage	Amount	Valuation	Lead investors	Other investors	Confidence
Jul 7, 2026	Undisclosed	~$25.0M	—	Stride Capital	—	Reported
Jul 22, 2024	Grant	~$1.7M	—	—	UK Space Agency	Confirmed
Apr 17, 2023	Series A	$28.5M	—	8090 Industries	Good Growth Capital, Industrious Ventures, Lockheed Martin Ventures, Massive Capital Partners, Stride Capital, Tribe Capital	Reported
Sep 7, 2021	Series A	~$10.0M	—	Asymmetry Ventures	Audacious Venture Partners, Lockheed Martin Ventures, Marubeni Ventures, Northrop Grumman, SpaceFund	Reported
Dec 17, 2020	Seed	Undisclosed	—	Munich Re Ventures	—	Reported
Jun 9, 2020	Seed	$1.1M	—	—	—	Confirmed
Oct 3, 2019	Seed	$3.0M	—	—	Techstars, Type 1 Ventures, Type One Ventures	Reported
2018	Pre-Seed	Undisclosed	—	—	Bolt	Reported

Undisclosed
Led by Stride Capital
~$25.0M
Jul 7, 2026
Grant
With UK Space Agency
Confirmed
~$1.7M
Jul 22, 2024
Series A
Led by 8090 Industries
With Good Growth Capital, Industrious Ventures, Lockheed Martin Ventures, Massive Capital Partners, Stride Capital, Tribe Capital
$28.5M
Apr 17, 2023
Series A
Led by Asymmetry Ventures
With Audacious Venture Partners, Lockheed Martin Ventures, Marubeni Ventures, Northrop Grumman, SpaceFund
~$10.0M
Sep 7, 2021
Seed
Led by Munich Re Ventures
Undisclosed
Dec 17, 2020
Seed
Confirmed
$1.1M
Jun 9, 2020
Seed
With Techstars, Type 1 Ventures, Type One Ventures
$3.0M
Oct 3, 2019
Pre-Seed
With Bolt
Undisclosed
2018

Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.

Systems1

RAFTI

Docking and fluid-transfer interface for spacecraft refueling.

Maturity not rated

Newest unveiled first. Open a system for its milestone timeline, components and sources.

Sources13

Show all 13 sources and supporting evidence

Profile2

1
DatabaseSixth-Domain public startups directory
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "USA", "hq_iso2": "US", "id": "b3037eab-6b48-4ba9-9162-c9834ec90bbe"}”
2
CompanyOrbit FabOrbit Fab
Orbit Fab · Supports Organization · description, Organization · name, Organization · website
“Orbit Fab provides in-space spacecraft refueling services. We maximize your mission by enabling flexibility and dynamic space operations.”

Systems1

3
CompanyRAFTI™ — Orbit Fab | Spacecraft Refueling
Orbit Fab · Supports System
“RAFTI is an open license TRL 8 cooperative docking and refueling interface that replaces your existing fill and drain valve to enable on-orbit and ground fueling.”

Funding10

4
NewsOrbit Fab Announces Leadership Expansion and Series B Funding Round
Satnow · Jul 8, 2026 · Supports Funding round · amount
“has successfully secured more than $25M in interim financing led by Stride Capital”
5
CompanyOrbit Fab Announces New Leadership, Board Appointments, and Opening of Series B Financing to Accelerate Commercial Growth
Orbit Fab · Jul 7, 2026 · Supports Funding round · amount
“Orbit Fab has successfully secured more than $25M in interim financing led by Stride Capital, which strengthens the company’s balance sheet and provides additional resources to advance customer programs, operational capabilities, and commercial deployment activities.”
6
CompanyUK Pioneers Space Refuelling with £2m for Orbit Fab’s Innovative Technologies
Orbit Fab · Jul 22, 2024 · Supports Funding round · amount
“The UK Space Agency has awarded Orbit Fab a £1.3 million Major Project grant under their National Space Innovation Programme.”
7
NewsOrbit Fab Raises $28.5M in its Series A Round
Via Satellite · Apr 17, 2023 · Supports Funding round · amount, Organization · ownership
“has raised $28.5 million in its Series A round”
8
CompanyOrbit Fab Closes Series A Funding Round of $28.5 Million
Orbit Fab · Apr 17, 2023 · Supports Funding round · amount
“Orbit Fab, the leading provider of on-orbit refueling services, today announced it has completed a successful Series A round of $28.5 million in funding during an up-round that will allow the company to accelerate fuel sales and the deployment of fuel delivery and storage infrastructure in GEO, LEO, and VLEO orbits.”
9
NewsAerospace primes Northrop, Lockheed join in Orbit Fab’s over $10M funding round
TechCrunch · Sep 7, 2021 · Supports Funding round · amount
“it has raised over $10 million”
10
NewsAdditional Seed Funding for Orbit Fab’s Gas Stations in Space™
SatNews · Dec 17, 2020 · Supports Funding round
“has raised a seed extension round led by Munich Re Ventures”
11
Regulatory filingForm D - Orbit Fab, Inc.
SEC EDGAR · Jun 9, 2020 · Supports Funding round · amount
“<totalAmountSold>1134800</totalAmountSold>”
12
NewsOrbit Fab raises $3M to make orbital refueling easier, cheaper and more accessible
TechCrunch · Oct 3, 2019 · Supports Funding round, Funding round · amount, Funding round · stage
“secured their first round of pre-seed investment from Bolt in San Francisco in June that year”
13
NewsOrbit Fab Secures Additional Seed Round Funding for its Gas Stations in Space Propellant Supply Chain
SpaceNews · Supports Funding round, Funding round · stage
“it has raised a seed extension round led by Munich Re Ventures”

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