/Investor DB

Countdown Capital — Full Portfolio

7 tracked investments · listed companies and verified rows first

Arbor Energyarbor.coinPre-Seed · Jan 2022 · $2M

Arbor develops power systems intended to provide reliable, emissions-free baseload power at large scale.

CleantechClimate TechEnergyLos Angeles, US

Brad Hartwig(Founder)inAndres Garcia-Clark(Founder)

Co-investorsCantos VenturesChrysalixClimate CapitalCongruent VenturesGigascale CapitalSilent Capital+8 more

Beacon AIbeaconai.coPre-Seed · Jul 2021

Beacon AI builds an AI assistant for commercial and private aircraft to support pilots with checklist management, flight procedures, route optimization, and safety calculations.

AI & Machine LearningSan Carlos, US

Avinash Nair(Founder)inMatthew Cox(Executive Officer, Director)

BoardGregory Sands(Director)

Co-investorsAlpha Startups Pre-AcceleratorClearSkyJetBlue VenturesNew North VenturesScout VenturesScout Ventures+3 more

Galvanickgalvanick.comin𝕏Pre-Seed · Oct 2021

Galvanick provides operational security solutions to protect critical infrastructure and industrial systems.

Advanced ManufacturingCybersecurityDefense TechIoT

Joshua Steinman(Co-founder & CEO)inBrandon Park(Co-founder & CTO)inFeliks Pleszczynski(Co-founder & COO)

Co-investorsAlumni VenturesChampion Hill VenturesDeepwater Asset ManagementLoup VenturesMaC Venture CapitalRavelin Capital+8 more

K2 Spacek2space.ioin𝕏Seed · Mar 2023 · $9M

The page is an online gambling/betting operator ("OK9") targeting Vietnamese players, offering sports betting, online casino, slots, fish-shooting games, lottery, and card games.

Deep TechHardwareSpace TechWest Hollywood, US

Neeldev Kunjur(Executive Officer, Director)Karandev Kunjur(Executive Officer, Director)Karan Kunjur(Founder)inNeel Kunjur(Founder)in

Co-investorsAlpine Space VenturesAlso CapitalAsymmetric Capital PartnersCapitalGFirst Round CapitalICONIQ+21 more

Metalwaremetalware.comin𝕏Seed · Jul 2026

Metalware provides autonomous binary security testing for firmware without requiring source code, hardware, or test harnesses.

CybersecurityDeep TechEnterprise SoftwareHardwareSan Francisco, US

Ryan Chow(Founder)inAndrew Nedea(Founder)in

Co-investorsPioneerY CombinatorAlso CapitalCommodity CapitalEight CapitalFirst Round Capital+11 more

Odys Aviationodysaviation.comin𝕏Pre-Seed · Feb 2022 · $12M

Odys designs and builds long-range, hybrid-electric VTOL aircraft for defense, logistics, and civil applications.

Advanced ManufacturingClimate TechDefense TechLogistics & Supply ChainSpace TechLos Angeles, US

James Dorris(Founder)inAxel Radermacher(Founder)in

Co-investorsGiant Ventures Global LlpOlive Tree CapitalOUTBOUND CAPITALSoma CapitalY CombinatorZillionize+12 more

Swarm Aeroswarm.aeroin𝕏Pre-Seed · May 2022 · $2M

Swarm builds uncrewed aerial vehicles (UAVs) designed for swarming, combining on-aircraft autonomy, sensor mesh, and edge compute so small teams can coordinate thousands of air, sea, and ground assets in contested, communications-limited environments.

Defense TechHardwareRobotics

Danny Goodman(Executive Chairman)inOliver Palmer(CRO)inPeter Kalogiannis(CEO)in

Co-investorsAlumni VenturesCoatue ManagementConstruct CapitalHumba VenturesMaC Venture CapitalChampion Hill Ventures+8 more

Other

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

Atlas Motion

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.