Fundraising Fox

IBX

Venture capital

Rockville · Seed · 15 people tracked

Find your way into IBX

527 people in our graph share verified history with the IBX team — schools, employers, funds. One of them is your warm intro.

Chen Yang Siaunlockedknows Edward Sonnenschein · together at Latham & Watkins (overlapped)
×3knows the team · via Temasek
×4knows the team · via Latham & Watkins
×2knows the team · via The Catholic University of America
×2knows the team · via Booz-Allen & Hamilton, Inc
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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
1 investment
Tracked investments
7

Team · 15 people

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

What they invest in

from 6 of 7 portfolio companies

Deep Tech ×4Defense Tech ×3Space Tech ×3Cleantech ×2Energy ×2Hardware ×2New Materials ×2EdTech ×1

HQs:United States×3

Investments · 7 tracked

founders shown can be your intro path

By year:2026 · 12025 · 12 dated

Intuitive Machinesintuitivemachines.comNASDAQ: 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 GhaffarianinTimothy Crain(Senior Vice President and Chief Technology Officer)Peter McGrath(Senior Vice President and Chief Financial Officer)Anna Jones(Senior Vice President, Chief Legal Officer and Corporate Secretary)Chris Johnson(President of Lanteris Space Systems)

Co-investorsBeyond Earth VenturesCapital FactoryIndustrious VenturesiNetworksKluz VenturesTactico

Axiom Spaceaxiomspace.comin𝕏

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(Executive Chairman)inMichael Suffredini(Founder, former CEO and President)in

PartnerAnton Brevde· led

Co-investorsAlumni VenturesBasecamp FundBeyond Earth VenturesC5 CapitalChenel Capital PartnersDeclaration Partners+21 more

Casimirspacecasimirspace.comin𝕏

Casimir develops chips that harvest ambient energy to power devices without batteries, cords, or charging.

EnergyHardwareSemiconductors

Sonny(Founder)in

Co-investorsDraper AssociatesDeep Future

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)in

PartnerAnton Brevde· led

Co-investorsCortado VenturesPrime Movers Lab

Terrionterrion.ioSeed · 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-Energy Websitex-energy.comin𝕏Jun 2025

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)

BoardEdward Sonnenschein(Director)in

Co-investorsG SquaredGula Tech AdventuresIndustrious VenturesStack CapitalThe Venture CollectiveEmerson Collective Investing

Exits · 1

IPOs and acquisitions across the tracked portfolio

Intuitive MachinesNASDAQ: LUNR

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has IBX made?
IBX has 7 tracked investments, including 2 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 Beyond Earth Ventures, Industrious Ventures, Prime Movers Lab, among 32 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

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
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.

$2M – $5M

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

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