Helios Capital
Family officeMiami · Pre-Seed–Series A · 1 people tracked
Investment thesis
Helios Capital focuses on frontier and disruptive technology that advances industry 4.0, investing primarily at Series A or earlier and providing follow-on funding. Operating as a single family office with a lean, agile team, the firm leverages a network of technological experts, partnerships, and industry thought leaders built through years of tech investing to add strategic value to its portfolio companies. It emphasizes hands-on startup support and building lasting relationships with entrepreneurs and fellow investors.
Source: firm website, verified Aug 18, 2026.
Team · 1 people
from public directoriesWhat they invest in
from 23 of 27 portfolio companiesSpace Tech ×16Deep Tech ×13Hardware ×9Defense Tech ×8AI & Machine Learning ×5Biotech ×3Healthtech ×3SaaS ×3
HQs:United States×10United Kingdom×1
Investments · 27 tracked
founders shown can be your intro pathBy year:2021 · 22020 · 12016 · 14 dated
Allocations is a fund administration platform that lets fund managers and general partners create and manage SPVs and venture funds, handling deal room setup, entity formation, bank account setup, legal document generation, investor onboarding, and closing.
FintechSaaS
PartnerRyan Kriser· solo GP
Co-investorsIrishAngelsSmart Partnership CapitalFlex Capital Partners
Argospace provides launch and transportation services for spacecraft and satellites beyond low Earth orbit (LEO), including cislunar and interplanetary missions.
Deep TechHardwareSpace Tech
Ryan Carlisle(Founder)in
PartnerRyan Kriser· solo GP
Co-investorsAIR CapitalCreative Destruction Lab (CDL)Crosslink CapitalTFX CapitalType One VenturesBlumberg Capital+1 more
Astra provides dedicated orbital launch services and manufactures electric propulsion systems for satellites.
Defense TechHardwareSpace TechAlameda, US
Chris Kemp(Founder)inDr. Adam London(Founder)
PartnerRyan Kriser· solo GP
Co-investorsBay Bridge Ventures ClimateCanaan PartnersChenel Capital PartnersEvolution VC PartnersPROOFSlow Ventures+2 more
AVTTX is a clinical-stage company developing gene therapy treatments for retinal and ophthalmologic diseases.
BiotechDigital HealthHealthtechMedical Devices
George Montgomery(Executive Chairman)
PartnerRyan Kriser· solo GP
Co-investorsEcoR1 CapitalEvolution VC PartnersPlum Alley InvestmentsSocii CapitalTribe Capital Firstlook
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)
PartnerRyan Kriser· solo GP
Co-investors2am VCAlumni VenturesBasecamp FundBeyond Earth VenturesC5 CapitalChenel Capital Partners+20 more
Cognitive Space develops AI-driven automation software for satellite operations, enabling constellation operators to scale while meeting operational requirements.
AI & Machine LearningDefense TechSaaSSpace TechHouston, US
Marc Bell(Co-Founder and CEO)Guy de Carufel(CEO & Founder)Dax Garner(CTO)Jeff Edwards(VP of Engineering)Hanna Steplewska(Executive Officer, Director)Jennifer Roberts(Director)in
PartnerRyan Kriser· solo GP
Co-investorsCapital InnovatorsCreative Destruction Lab (CDL)Draper AssociatesGlasswing VenturesGrit VenturesGutbrain Ventures+6 more
Cosmic Shielding develops radiation shielding technology to protect space hardware, from advanced electronics such as commercial GPUs to systems supporting human life, enabling the reliable use of commercial off-the-shelf components in space.
Deep TechEnergyHardwareSpace TechAtlanta, US
Yanni Barghouty(Co-Founder & CEO)Lembit Sihver(Co-Founder & CTO)Michael Ghadaksaz(Chief Product Officer)
PartnerRyan Kriser· solo GP
Co-investorsActuate VenturesOutsidersStarbridge Venture Capital LlcWorldQuant VenturesSpaceFundType One Ventures
EnergyX is a direct lithium extraction technology company that develops proprietary systems (GET-Lit™ and SoLiS) to recover and refine battery-grade lithium from brine faster and with less water use than traditional evaporation methods.
CleantechEnergyNew Materials
PartnerRyan Kriser· solo GP
Co-investorsJapan AngelsK20 Fund
Gravitics develops orbital carriers, commercial space station modules, and cargo/logistics systems built on a shared 4-meter diameter form factor.
Defense TechHardwareSpace Tech
Michael DeRosa(Founder)inSundeep Kumarin
PartnerRyan Kriser· solo GP
Co-investorsSprint VcThe Venture CollectiveType One Ventures
Kelekona is developing a large electric aircraft designed to carry 40 passengers plus a pilot or a 10,000 lb cargo payload, using a lifting-body design built from 3D-printed composite and aluminum.
Deep TechDefense TechMobility & Transportation
PartnerRyan Kriser· solo GP
PartnerRyan Kriser· solo GP
Mojo Vision develops a micro-LED display platform combining 300mm silicon architecture, GaN-on-Silicon emitters, quantum dots, and micro-lens arrays to address trade-offs in size, brightness, bandwidth density, and power.
AI & Machine LearningDeep TechHardwareSemiconductors
Nikhil Balram(Chief Executive Officer)Mike Wiemer(Chief Technology Officer)G. Aaron James(General Counsel)
BoardSteve Jurvetson(Founder)in
PartnerRyan Kriser· solo GP
Co-investorsARC Angel FundArgonautic VenturesBold Capital PartnersDisney AcceleratorFlucas VenturesFusion+9 more
OncoSenX is a late-stage pre-clinical cancer therapeutics company developing treatments that target solid tumors based on transcriptional activity.
BiotechDeep TechHealthtechSeattle, US
Matthew Scholz(Executive Officer, Director)Matt ScholzJohn Lewis(Executive Officer, Director)Gary Hudson(Director)
PartnerRyan Kriser· solo GP
Orbit Fab builds the in-space propellant supply chain, offering commercial spacecraft refueling services and standardized refueling interfaces to enable reusable spacecraft and a sustainable space economy.
HardwareSpace TechSanta Clara, US
Daniel Faber(Co-Founder)Jeremy Schiel(Executive Officer, Director)Peter Shaper(CEO)Chingti Yang(Executive Officer)
PartnerRyan Kriser· solo GP
Co-investors2045 VenturesACADEMY INVESTORAIN VenturesAsymmetry VenturesAurum Venture PartnersCapital Factory+12 more
Radian Aerospace is developing fully reusable spaceflight vehicles, including Radian One, a single-stage-to-orbit mission platform for routine access to Low Earth Orbit, and R3V, a reusable reentry capsule for hypersonic testing and rocket cargo.
Deep TechHardwareSpace TechRenton, US
Curtis Gifford(Chief Financial Officer, Chief Operating Officer, & Co-Founder)inRichard Humphrey(Chief Executive Officer & Co-Founder)inLivingston Holder(Chief Technology Officer & Co-Founder)inJeff Feige(Chief Revenue Officer & Co-Founder)in
PartnerRyan Kriser· solo GP
Co-investorsAdvection Growth CapitalBalerion Space VenturesEvolution VC PartnersFine Structures VenturesHCVCHemisphere Ventures LLC+4 more
Relativity Space develops Terran R, a reusable medium-to-heavy-lift rocket designed for efficiency and scalability, serving government entities, telecommunications companies, and commercial customers for space access missions.
Advanced ManufacturingAI & Machine LearningDeep TechDefense TechHardwareSpace TechLos Angeles, US
Tim Ellis(Founder/CEO)inJordan Noone(Executive Officer, Director, Promoter)Eric Schmidt(CEO)in
PartnerRyan Kriser· solo GP
Co-investorsBaruch Future VenturesBold Capital PartnersDas & Co.Ethos VCEvolution VC PartnersHorizons Ventures+15 more
Scout Space develops technologies for real-time sensing, data processing, and autonomous systems to protect space infrastructure.
AI & Machine LearningDeep TechDefense TechRoboticsSpace TechAlexandria, US
PartnerRyan Kriser· solo GP
Co-investors100Km Ventures LlcCapital InnovatorsDecisive PointFusionTechstars
Space Forge develops in-space manufacturing capabilities, focusing on growing and processing advanced materials such as semiconductors in space and returning them to Earth.
Deep TechNew MaterialsSemiconductorsSpace TechCardiff, GB
Joshua Western(Founder)in
PartnerRyan Kriser· solo GP
Co-investorsE2MC VenturesHelium-3 VenturesStarbridge Venture Capital LlcTrousdale VenturesType One VenturesUnruly Capital+2 more
Space Channel is a web platform that aggregates space-related data and media, including live ISS telemetry, launch tracking, satellite and orbital traffic monitoring, space weather, lunar and planetary tracking, NASA image archives, and UFO/UAP news.
ConsumerMedia & EntertainmentSpace Tech
PartnerRyan Kriser· solo GP
SpaceFund is an early-stage venture capital fund investing in space-industry startups, focusing on space transportation, critical components, supply chains, and commercial space infrastructure while avoiding traditional aerospace.
Deep TechSpace Tech
Rick Tumlinson(Founder & CEO)inJohn Bohlmann(Founding GP)inLuke Moloney(Founding GP)Jaime Velasco(CFO)in
PartnerRyan Kriser· solo GP
Revolutionizing space technology to make life multi-planetary
PartnerRyan Kriser· solo GP
Co-investors1/1 Capital137 Ventures4DX VenturesA*Abstract VenturesAccess Technology Ventures+107 more
PartnerRyan Kriser· solo GP
Co-investorsCathexis VenturesSica Ventures
Type One Ventures is a multi-stage venture capital firm that invests in founders building space technologies, AI and automation, robotics, mobility, nanotechnology, and human longevity.
AI & Machine LearningDeep TechSpace Tech
PartnerRyan Kriser· solo GP
Co-investorsBeyond Earth Ventures
Venus Aerospace develops Rotating Detonation Rocket Engine (RDRE) propulsion technology, having flown a high-thrust RDRE.
Deep TechDefense TechSpace TechTexas, US
Sassie Duggleby(CEO & Co-founder)Andrew Duggleby(CTO & Co-founder)Tom Barron(Chief Operating Officer)Nick Cardwell(Chief Product Officer)Sheila Menz(General Counsel)
PartnerRyan Kriser· solo GP
Co-investorsAmerica's Frontier FundHalogen Ventures Management Company LlcMercury FundPrime Movers LabRed Beard VenturesSeraph Group+6 more
Volumetric Biotechnologies, acquired by 3D Systems in 2021, develops bioprinting materials and vascularized human tissue constructs.
BiotechDeep TechHealthtechMedical DevicesHouston, US
Jordan Miller(Co-Founder and President)inBagrat Grigoryan(Co-Founder, COO)in
PartnerRyan Kriser· solo GP
Co-investorsGoAhead VenturesSocial StartsY CombinatorBoxOne VenturesLDV Capital
Xplore provides space infrastructure and satellite operations services to commercial, government, and nonprofit organizations.
Cloud ComputingData & InfrastructureSaaSSpace Tech
Jeff Rich(Chief Executive Officer)Dave Claussen(Chief Technology Officer)David Floyd(Engineering Director)Lisa Rich(Chief Operating Officer)Henry Lin(Chief Financial Officer)
PartnerRyan Kriser· solo GP
Co-investorsBatshit Crazy VenturesBrightstone Venture CapitalIndustrious VenturesStarbridge Venture Capital LlcSwan Venture FundTremendous View Capital+3 more
Exits · 1
IPOs and acquisitions across the tracked portfolioVolumetricacq. by 3D Systems
Portfolio news
latest coverage across their companiesSpaceX · businessinsider.com · Aug 16, 2026

Relativity Space · defensedaily.com · Jul 18, 2026
Argo Space · fortuneindia.com · Jul 17, 2026
Xplore · norfolkdailynews.com · Jul 15, 2026

Orbit Fab · govconwire.com · Jul 13, 2026
Mojo Vision · trysignalbase.com · Mar 7, 2026
Astra · ainvest.com · Feb 24, 2026
Frequently asked questions
- How many investments has Helios Capital made?
- Helios Capital has 27 tracked investments, 2 of which have exited via acquisition or IPO.
- What stage does Helios Capital invest at?
- Helios Capital invests at the Pre-Seed, Seed, Series A stages.
- What is Helios Capital's typical check size?
- Helios Capital typically writes checks of $25K – $1M.
- What sectors does Helios Capital focus on?
- Helios Capital focuses on Biotech, Deep Tech, Energy, Hardware, Mobility & Transportation, Space Tech.
- Where is Helios Capital located?
- Helios Capital is headquartered in Miami, US.
- Does Helios Capital lead rounds?
- Helios Capital typically participates in rounds rather than leading them.
- Who does Helios Capital co-invest with?
- Helios Capital most often shares deals with Evolution VC Partners, Type One Ventures, Starbridge Venture Capital Llc, among 104 tracked co-investors.
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