/Investor DB

IBX

Venture capital

Rockville · Seed · 14 people tracked

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Investment thesis

IBX describes itself as an innovation and investment firm dedicated to advancing the state of humanity and human knowledge. It pursues new frontiers across space, technology, and energy with the stated aim of expanding human potential and creating positive impact in the world. The firm frames its approach around audacious pursuit as a means of connecting people, protecting the planet, and advancing human ways of life.

Source: firm website, verified Aug 3, 2026.

Stage
Seed
HQ
Rockville, MD, US
Instruments
Equity
Last 12 months
3 investments
Tracked investments
9
IPOs
2
Acquisitions
1

Team · 14 people

from the firm's website & curated
Ted Sonnenschein· Vice Chairman

Founder mafia

4 people who came through IBX went on to found or lead other companies.

What they invest in

from 8 of 9 portfolio companies

Deep Tech ×6Cleantech ×3Defense Tech ×3Energy ×3Space Tech ×3Hardware ×2New Materials ×2Consumer ×1

HQs:United States×4Canada×1South Korea×1

Investments · 9 tracked

founders shown can be your intro path

By year:2026 · 32025 · 12021 · 15 dated

General Fusiongeneralfusion.comin𝕏NASDAQ: GFUZNov 2021 · $130M

General Fusion develops Magnetized Target Fusion (MTF) technology, combining plasma physics, mechanical compression, and liquid metal systems to build a practical, cost-competitive fusion power plant.

CleantechDeep TechEnergyBurnaby, CA

Michael Laberge(Executive Officer)Michel Laberge(Founder & Chief Science Officer)inNathan Gilliland(Executive Officer, Director)inSusan Koch(Executive Officer)inGreg Twinney(Chief Executive Officer)inMegan Wilson(Chief Strategy Officer)in

Co-investorsBraemar Energy VenturesChrysalixEvolution VC PartnersHelium-3 VenturesJIMCONew Ground Ventures+10 more

Intuitive Machinesintuitivemachines.cominNASDAQ: LUNR

Intuitive Machines designs and manufactures spacecraft, satellites, and lunar landers for government and commercial customers, while also operating space-based networks and infrastructure services to support long-duration missions across Earth orbit, lunar space, and deep-space environments.

Kam Ghaffarian(Founder)inTimothy Crain(Senior Vice President and Chief Technology Officer)Peter McGrath(Senior Vice President and Chief Financial Officer)inAnna Jones(Senior Vice President, Chief Legal Officer and Corporate Secretary)Chris Johnson(President of Lanteris Space Systems)in

Co-investorsBeyond Earth VenturesCapital FactoryIndustrious VenturesiNetworksKluz VenturesTactico

Axiom Spaceaxiomspace.comin𝕏Feb 2026 · $350M

Axiom Space develops commercial space stations and provides access to low-Earth orbit microgravity environments for research, manufacturing, and innovation by governments, researchers, and organizations.

Defense TechEdTechHardwareSpace Tech

Dr. Kam Ghaffarian(Founder)inMichael Suffredini(Founder)inKam Ghaffarian(Founder)

PartnerAnton Brevde· led

Co-investors1802 Ventures2am VCAidenlair CapitalAlumni VenturesAurum Venture PartnersBascom Ventures+43 more

Casimircasimir.incin𝕏Seed · May 2026 · $12M

Casimir develops technology to extract usable energy from the quantum vacuum through Casimir cavities, aiming to create a novel power source for applications including advanced propulsion and energy generation.

Deep TechEnergyHardwareQuantum ComputingSemiconductorsHouston, US

SonnyinHarold White(Executive Officer, Director)

Co-investorsDeep FutureDraper AssociatesScout VenturesScout Ventures

Ptx Llcptx-llc.com

PTX provides engineering services and strategic materials technology to U.S.

Deep TechNew MaterialsSpace Tech

Dr. Kam Ghaffarian(Executive Chairman; PTX founder)Charlie Bengston(CEO)in

Quantum Spacequantumspace.usin

Quantum Space builds the Ranger spacecraft platform, a highly maneuverable satellite designed to operate across LEO, MEO, GEO, and cislunar orbits with long operational life and on-orbit refueling.

Deep TechDefense TechSpace TechRockville, US

Kerry Wisnosky(Founder)inKam Ghaffarian(Founder)inBenjamin Reed(Founder)inSteve Jurczyk(Founder)in

PartnerAnton Brevde· led

Co-investorsCortado VenturesPrime Movers Lab

Soomgosoomgo.comSeries CAcquired

A marketplace connecting consumers with freelance service professionals for tasks like moving, interior design, repairs, and home maintenance.

ConsumerMarketplacesSeoul, KR

Robin Kim(CEO)inHwan Kim(CTO)Jiho Kang(Founder/Chief of Product)in

BoardSung Hyun Park(Director)

Co-investorsAtinum Investment Co. Ltd.FJ LabsIMM Investment JapanSazzeTaurus VenturesTBT+10 more

Terrionterrion.ioinSeed · May 2026

Terrion is building an integrated domestic supply chain for synthetic graphite in the United States, covering feedstock through finished material for defense, energy, and industrial applications.

CleantechDeep TechDefense TechNew MaterialsFrederick, Maryland, US

Dr. Kam Ghaffarian(Co-founder & Executive Chairman)Dustin Berra(Co-founder and CEO)inDr. Pete Pappano(Co-founder and CTO)PeteMichael

BoardKam

Co-investorsLa Caisse

X-energyx-energy.comin𝕏Series C · Jun 2025 · $240M

X-energy develops advanced nuclear energy technology, including small modular high-temperature gas reactors and TRISO fuel.

CleantechDeep TechEnergyRockville, US

Kamal Ghaffarian(Chairman of the Board)Carter Lawson(Secretary)inJ. Clay Sell(Chief Executive Officer)inLaura Garcia(Treasurer)inSteven Miller(Executive Vice President)Kam Ghaffarian(Founder)

Co-investorsAlumni VenturesG SquaredGreen Sands EquityGula Tech AdventuresIndustrious VenturesLitquidity Ventures+6 more

Exits · 3

2 IPOs · 1 acquisitions · showing 2

General FusionNASDAQ: GFUZIntuitive MachinesNASDAQ: LUNR

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has IBX made?
IBX has 9 tracked investments, 3 of which have exited, including 4 dated in the last 24 months.
What stage does IBX invest at?
IBX invests at the Seed stage.
What sectors does IBX focus on?
IBX focuses on Deep Tech, Defense Tech, Energy, Space Tech.
Where is IBX located?
IBX is headquartered in Rockville, US.
Who does IBX co-invest with?
IBX most often shares deals with Industrious Ventures, Alumni Ventures, Beyond Earth Ventures, among 54 tracked co-investors.

Media · Podcasts & interviews

featuring the team

DNA of Space Companies, with Anton Brevde (IBX Inc.)

Payload · Anton Brevde

Images

IBX photo

Co-investors · 2

Scout Ventures

Scout VC is a venture capital firm backing frontier technology companies led by founders from the military, intelligence community, and national research labs.

Both backed · 1
$2M – $5M
Type One Ventures

Type One Ventures is a multi-stage venture capital firm focused on funding founders building technologies, infrastructure, and industrial systems aimed at advancing humanity toward an abundant, self-sufficient, and interplanetary future.

Both backed · 1
$100K – $5M

Firms observed investing alongside IBX, from public investor directories. Shared companies are the overlap with IBX's recorded portfolio.

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