Tamarack Global — Full Portfolio

Antithesis provides deterministic simulation testing software that automatically finds and reproduces bugs in mission-critical software systems.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaS

WWWill Wilson(Founder)inDSDave Scherer(Founder)NLNick Lavezzo(Founder)inDavid Scherer(Founder)

Co-investorsAMAmplify PartnersBEBeaconsfield CapitalBOBoulder VenturesFRFrontline VenturesNANat TurnerOLOlima Ventures+5 more

ABL Space Systems builds small satellite launch vehicles and a containerized launch system designed to enable orbital launches from flat pads in different locations.

Deep TechHardwareSpace TechEl Segundo, US

Harrison O'Hanley(Chief Executive Officer)Daniel Piemont(Chief Financial Officer, President and Secretary)KSKevin Sagis(Chief Product Officer and Enterprise Chief Engineer)inRonald O'Hanley(Director)

BoardSomu Subramaniam(Director)inEBEthan Batraski(Director)in

Co-investorsINIn-Q-TelRARackhouse Venture Management LpJAJam FundNENew Science VenturesVEVenrockVEVenrock Associates

A design and branding studio that creates refined brands, websites, and interfaces for ambitious founders and creative teams, focusing on clean, responsive design that communicates clearly and supports business goals.

Los Angeles, US

David Fields(Executive Officer, Director)

Co-investorsFJFJ Labs1C1confirmation7575 & SunnyACAcrew CapitalACAct One VenturesBLBlockchange Ventures+3 more

Blue Energy develops scalable small modular reactor (SMR) technology to deliver nuclear power at scale.

CleantechClimate TechDeep TechEnergyHardwareWashington, US

JakeTomJacob Jurewicz(Executive Officer, Director)Thomas O'Neill(Executive Officer, Director)

BoardOHOrin Hoffman(Director)MKMichael Kearney(Director)in

Co-investorsATAt One VenturesANAngular VenturesNENeutron Power VenturesNUNucleation CapitalTHThe Engine VenturesFOFounders Fund+4 more

Chaos Inc. develops portable radar systems and unmanned aerial system (UAS) detection technology for defense applications, offering efficient multi-target tracking and rapid deployment capabilities.

Defense TechHardware

JTJohn Tenet(Founder)GHGavin Hood(Founder)inJohn T.(Founder)inBo Marr(Founder)Brett Cummings(Founder)

Co-investors8V8VCACAccelALAlpha Wave GlobalCUCubit CapitalHOHOF CapitalINInflection Ventures+10 more

Defense technology company building autonomous systems to neutralize aerial drone threats at scale.

Co-investorsEAEarthrise VenturesGOGoAhead Ventures

Divergent designs, manufactures, and assembles complex metal structures using adaptive factories that operate without fixed tooling, enabling multiple products to be made on the same platform in a single day.

Advanced ManufacturingDefense TechHardwareTorrance, US

LCLukas Czinger(Founder)inKCKevin Czinger(Founder)in

Co-investorsRARadicle Impact

Earth AI uses AI to locate critical mineral deposits by analyzing geological data, supporting the supply chain for hardware and emerging technologies.

Advanced ManufacturingAI & Machine LearningClimate TechDeep TechNew MaterialsSan Francisco, US

RTRoman Teslyuk(Founder)inRoman(Founder)

BoardIRIan Rountree(Director)inMikhail Taver(Director)inJLJamie Lee(Director)inIsabella Sykes(Director)

Co-investorsAIAirTree VenturesALAlpaca VCBLBlackbird VenturesCACantos VenturesCOCorigin VenturesDCDCVC (Data Collective)+25 more

Figure is a lending platform that offers residential and commercial loan products including home equity lines of credit, cash-out refinances, DSCR loans, and crypto-backed loans for borrowers.

AI & Machine LearningCrypto & Web3FintechCharlotte, US

MCMike Cagney(Co-Founder, Executive Chairman)inJOJune Ou(Co-Founder, Advisor, Board Member)inJin Woo Park(Executive Officer, Director)

Co-investorsAAAAF Management Ltd.ALAlpha Square GroupB3B3 CapitalBEBezos ExpeditionsBLBlockchange VenturesBLBlue Lion+29 more

Figure develops general-purpose humanoid robots designed for deployment in workforce and home environments.

AI & Machine LearningHardwareRoboticsSunnyvale, US

BABrett Adcock(Founder)inLee Randaccio(Executive Officer)Dana Berlin(Executive Officer)Logan Berkowitz(Executive Officer)Colby Adcock(Director)Peter Welinder(Director)

Co-investors1010T Fund181802 VenturesALAlign VenturesALAliya Capital PartnersATAtaraxia CapitalAUAUDEO VENTURES+55 more

Genies creates AI personas with visual avatars that can be customized and deployed across various applications, games, websites, and brands, functioning as AI companions, NPCs, and enterprise agents.

AI & Machine LearningConsumerGamingLos Angeles, US

ANAkash Nigam(Founder)inEREvan Rosenbaum(Founder)inAkash Nigam Evan Rosenbaum(Founder)

Co-investorsA.A.Capital VenturesBABase Venture Management, Inc.BOBond Capital ManagementBRBreyer CapitalCOCoinbase VenturesCOCoinFund+28 more

Impulse Space develops in-space mobility infrastructure and spacecraft, enabling transportation and logistics between Earth orbit, the Moon, and Mars.

Deep TechDefense TechSpace TechRedondo Beach, US

TMTom Mueller(Founder)inThomas Mueller(Founder)inEREric Romo(Executive Officer, Director)inMAMargaret Abernathy(Executive Officer)in

BoardMLMichael Linse(Director)inJohn William Raymond(Director)

Co-investors13137 VenturesALAlumni VenturesARArctic DigitalASAsahi Kasei Corporate Venture CapitalBABalerion Space VenturesBABanner VC+26 more

Isembard builds software and operates a network of distributed precision factories to accelerate manufacturing from prototype to factory-scale production.

Advanced ManufacturingAI & Machine LearningDeep TechEnterprise SoftwareLondon, GB

AFAlexander Fitzgerald(Founder)in

Co-investorsIQIQ CapitalNONotion CapitalUNUnion Square Ventures (USV)CICIVNPNP-Hard Ventures

Moxion offers a cloud platform for film and video production that lets crews share camera footage and metadata ("instant dailies") with their teams within seconds of recording.

Cloud ComputingMedia & EntertainmentSaaS

Co-investorsALAlt VenturesENEnterprise AngelsNZNZ Growth Capital PartnersPUPunakaiki FundECEclipseENEnergy Impact Partners+4 more

Viridi manufactures lithium-ion energy storage systems designed for installation in occupied spaces and around critical equipment without requiring additional construction or grid upgrades.

Advanced ManufacturingCleantechClimate TechEnergyHardwareSan Francisco, US

PHPaul Huelskamp(Founder)inAMAlexander Meek(Founder)inJon M. Williams

BoardThomas BonadioDaniel DiPofiMatthew K. Enstice

Co-investorsY Y CombinatorENEnergy Impact PartnersINIn-Q-TelLILiquid VenturesMAMarubeni Ventures Inc.RORocketship.vc+4 more

Natrion develops solid-state battery materials, including a US-made ceramic-polymer "active separator" for lithium-ion and Li-metal cells.

EnergyAlbany, US

Thomas Rouffiac(Cofounder)inAlex Kosyakov(Cofounder)

BoardManas Gosavi(Director)THTerry Howerton(Director)in

Co-investors141435 CapitalCOCool Climate CollectiveICIcebook Investments Corp.ILIllinois VenturesIUIU VenturesLGLG Technology Ventures+4 more

Phosphor is a technology-enabled real asset developer that builds development pipelines and non-dilutive growth financing for industrial and climate technology companies, targeting institutional capital.

CleantechClimate TechEnergy

Poseidon develops unmanned aerial vehicles for cargo logistics, specifically wave-skimming seagliders designed to reduce the cost per ton-mile of air freight.

Deep TechHardwareLogistics & Supply ChainSan Francisco, US

Parker Tenney(Cofounder)inDavid Zagaynov(Cofounder)in

Co-investorsBIBig Brain HoldingsCACade VenturesDRDraper AssociatesGOGoAhead VenturesSHSHORSTStarship Ventures+1 more

Reload Energy develops and delivers digital and energy infrastructure sites selected for resilient access to fiber, power, water, and natural gas networks.

CleantechEnergy

Co-investorsSEService Provider Capital

Raiinmaker develops AI video models and datasets for creating customized AI systems.

AI & Machine LearningData & InfrastructureDeep TechDeveloper Tools

JSJ.D Seraphine(Founder CEO)Benjamin Gerry(Founder COO)inRay Parker(Co-Founder CPO)

Co-investorsACAcacia Digital HoldingsBLBlack DragonRERed Building CapitalZEZEMU Venture CapitalCHChampion Hill VenturesDADay One Ventures+3 more

Rainmaker provides a cryptocurrency wallet using account abstraction technology that allows users to open accounts via email, fund them directly from traditional banking sources, and participate in decentralized finance without paying blockchain transaction fees.

Fintech

CRCarlos Reyes Stoneham(Founder)inBTBrent Traut(Founder)inAugustus Doricko(Founder)

Co-investorsY Y CombinatorANAntlerCHChampion Hill VenturesDADay One VenturesLOLong Journey VenturesLOLowercarbon Capital+3 more

Rainmaker uses cloud seeding technology to combat water scarcity by generating freshwater at scale.

AgTechCleantechClimate TechDeep TechEl Segundo, US

ADAugustus Doricko(Founder)in

Co-investorsCHChampion Hill VenturesDRDrover VenturesINInvariantes FundINInvesdorKOKortschak Investments L.P.LOLong Journey Ventures+7 more

ReadyAI provides structured, machine-readable intelligence extracted from websites, transcripts, and documentation for AI agents and applications.

AI & Machine LearningData & InfrastructureDeveloper Tools

Co-investorsCOCollab+CurrencyMOMoonshots CapitalACAct One Ventures

Rilian builds Caspian, an agentic security orchestration platform that unifies a fragmented security stack through a single interface and captures practitioner expertise, alongside DawnTreader, a deployment engine for air-gapped, sovereign, and compliance-restricted environments.

AI & Machine LearningCybersecurityDefense Tech

Co-investorsFIFirst In

Terminal Industries provides an AI-powered computer vision system for automating gate operations and check-in/check-out processes at logistics facilities.

AI & Machine LearningEnterprise SoftwareLogistics & Supply Chain

Max Constant Neil Robertson(Founder)

Co-investors8V8VCMSMS&AD VenturesNFNFI Ventures, LLC

Investment and project development firm combining venture capital with project execution to scale technology companies in industrial sectors.

Co-investorsENEnsemble VC

Mohammad Adib(Cofounder)Noah Benton(Cofounder)

Co-investorsEPEpakon CapitalLOLong Journey Ventures

Venus Aerospace develops rotating detonation rocket engine (RDRE) technology and a detonation ramjet system for space, defense, and commercial high-speed and hypersonic flight.

Deep TechDefense TechSector AgnosticSpace TechTexas, US

SDSassie Duggleby(CEO & Co-founder)inAndrew Duggleby(CTO & Co-founder)inS"Sarah "Sassie" Duggleby(Founder)inTBTom Barron(Chief Operating Officer)NCNick Cardwell(Chief Product Officer)inSheila Menz(General Counsel)in

Co-investorsALAlumni VenturesAMAmerica's Frontier FundCACantos VenturesCUCubit CapitalDRDraper AssociatesHAHalogen Ventures Management Company Llc+14 more

Commission-free trading app focused on Latin American users accessing US stock markets.

Co-investorsALAlleyCorpCACapria VenturesMAMarathon VenturesNANazcaALalboALAlley Robotics Ventures+6 more