/Investor DB

Explorer 1 Fund — Full Portfolio

15 tracked investments · listed companies and verified rows first

Adranosadranos.comAcquired

Adranos was a Purdue University spinout that manufactured solid rocket motors and a proprietary aluminum-lithium rocket fuel called ALITEC for missiles and space-launch vehicles.

Mchenry, US

Archibald Cox(Director)Ganson Evans(Director)Brandon C. Terry(Executive Officer, Director)Christopher D. Stoker(Executive Officer, Director)

Co-investorsBalerion Space VenturesSica Ventures

Lunar Outpostlunaroutpost.comin𝕏

Lunar Outpost builds robotic infrastructure, lunar rovers, and space resource systems to support human exploration and commerce on the Moon and other planetary bodies.

Deep TechHardwareRoboticsSpace TechGolden, US

Andrew Gemer(Executive Officer)inForrest Meyen(Co-Founder & CSO)inJulian Cyrus(Co-Founder & COO)inJustin Cyrus(Founder)inAJ Gemer(Co-Founder & CTO)in

BoardDaniel Kleinmann(Director)in

Co-investorsAurelia FoundryBalerion Space VenturesBeyond Earth VenturesEniac VenturesGrant Park VenturesIndustrious Ventures+7 more

Lynk Globallynk.worldin𝕏

Lynk Global provides direct-to-device satellite connectivity to mobile phones without requiring ground infrastructure.

Space TechChevy Chase, US

Tyghe Speidel(Co-Founder and CTO)in

Co-investorsBalerion Space VenturesBlazar Ventures, LLCFlucas VenturesGaingelsOne Way VenturesRRE Ventures+5 more

Radian Aerospaceradianaerospace.comin𝕏Feb 2016 · $27.5M

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(Founder)inLivingston L. Holder, Jr.(Founder)

Co-investorsAdvection Growth CapitalAlumni VenturesBalerion Space VenturesEvolution VC PartnersFine Structures VenturesGaingels+11 more

Space Perspectivespaceperspective.com

Space tourism company offering carbon-neutral journeys aboard Spaceship Neptune.

Jane Poynter(Founder)in

Co-investorsBalerion Space VenturesBase Venture Management, Inc.GaingelsGamegroove CapitalGreen Sands EquityInvariantes Fund+5 more

Stoke Spacestokespace.comin𝕏Seed

Stoke Space develops fully reusable rockets for space transportation and mobility services.

Advanced ManufacturingDeep TechHardwareSpace TechSeattle, US

Andy Lapsa(Founder)inTom Feldman(Founder)inKelly Hennig(Executive Officer)inSula Bondaruk(Recruiter)Marla Nielsen(Recruiting Coordinator)Chantal Penton(Recruiter)

Co-investorsAbbhi CapitalAcequia Capital (AceCap)AF WPartnersATEL VenturesAurelia FoundryBalerion Space Ventures+61 more

Ursa Majorursamajor.comin𝕏Dec 2023 · $138M

Ursa Major develops flight-proven aerospace and defense systems, including hypersonic engines, solid rocket motors, and space mobility solutions for military and defense applications.

Defense TechHardwareSpace TechBerthoud, US

Joe Laurienti(Founder)inNick Doucette(Co-Founder & Vice President, Strategic Operations)inDan Jablonsky(CEO)inChris Spagnoletti(Chief Executive Officer)in

Co-investorsAlpha EdisonAtento CapitalBalerion Space VenturesBrave CapitalCrosscourt VenturesDolby Family Ventures+11 more

Ursa Majorursamajorvt.comDec 2023 · $138M

Ursa Major makes clean skincare products with forest-infused formulas free of harsh chemicals.

ConsumerDirect to ConsumerE-commerceWellness & FitnessVermont, US

Oliver Sweatman(Executive Officer, Director)inEmily Doyle(Founder)inRobert Foregger(Director)Patrick Finn(Director)Michael Stone(Director)Elizabeth Stewart(Director)

Co-investorsPath VenturesVermont Center for Emerging Technologies (VCET)Eclipse

Ursa Major Technologiesursamajortechnologies.cominDec 2021

Colorado aerospace and defense manufacturer of rocket engines, solid rocket motors, hypersonic and in-space propulsion systems.

Berthoud, US

Joseph A. Laurienti, Jr.(Executive Officer, Director, Promoter)Nicholas Doucette(Executive Officer)David Gregory(Executive Officer)

BoardStewart Alsop(Director)in

Co-investorsAlsop Louie PartnersAlumni VenturesDolby Family VenturesRTX VenturesAlpha EdisonBlackRock+3 more

Ursa Space Systemsursaspace.comDec 2023 · $138M

Ursa Space offers a custom geospatial monitoring service that selects sensors, schedules satellite data collection, and runs SAR-based analysis to deliver verified intelligence reports, alerts, and forecasts.

AI & Machine LearningData & InfrastructureDefense TechSpace TechIthaca, US

Adam Maher(Executive Officer, Director)inJulie Baker(Executive Officer, Director)inMark Snell(Executive Officer)inNicole Robinson(Executive Officer)Tom Edwards(Executive Officer)

BoardDaniel Freeman(Director)

Co-investorsGaingelsHemisphere Ventures LLCNew Enterprise Associates (NEA)Paladin Capital GroupRazor's Edge VenturesRRE Ventures+2 more

Varda Space Industriesvarda.comin𝕏

Varda industrializes low Earth orbit by manufacturing pharmaceuticals and other specialized products in space, then returning them to Earth via reusable reentry capsules.

BiotechDeep TechSpace TechEl Segundo, US

Will Bruey(Founder)inDelian Asparouhov(Founder)inDaniel Marshall(Founder)Trae Stephens(Director)Josh Wolfe(Director)

Co-investorsAlso CapitalCaffeinated CapitalFounders FundGeneral CatalystKhosla VenturesLux Capital+38 more

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Continuum SpaceContinuum Space SystemsHedron

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.