Fundraising Fox

Thirdbase

Private equityActively deploying

New York · 1 people tracked

Also known as Thirdbase Cov · Thirdbase Pipe SB · Thirdbase SD

Find your way into Thirdbase

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

Fox Verdict
Sign up to see your fit

Investment thesis

A global private markets investment firm focused on high-conviction investments in transformative technology companies.

Source: firm website, verified Aug 5, 2026.

HQ
New York, NY, US
Instruments
Equity
Founded
2021
Tracked investments
16

Team · 1 people

from public directories

What they invest in

from 5 of 16 portfolio companies

AI & Machine Learning ×2Deep Tech ×2Energy ×2Advanced Manufacturing ×1Circular Economy ×1Climate Tech ×1Fintech ×1Hardware ×1

HQs:United States×4

Who they back

founder profiles across 5 portfolio companies

Accelerator rootsportfolio companies that came through a program

Y Combinator ×2

Investments · 16 tracked

founders shown can be your intro path
Aalo Atomicsaalo.comin𝕏

Aalo develops advanced nuclear reactor technology aimed at producing electricity at under 3 cents per kilowatt-hour.

Climate TechDeep TechEnergyHardware

Matt(Co-founder)inYasir(Co-founder)in

Co-investorsAlumni VenturesBasecamp FundBlack FlagBrave CapitalCrosscut VenturesDash VC+24 more

Abridge
Anthropic
Aven
Colossal
Crusoe
Databricks
Decart
Gecko Roboticsgeckorobotics.comin𝕏

Gecko Robotics builds robots equipped with sensors and cameras to inspect industrial structures like boilers for structural defects, replacing dangerous manual inspections at height.

Advanced ManufacturingAI & Machine LearningDeep TechRoboticsPittsburgh, US

Jake Loosararian(Founder/CEO)inTroy Demmer(Founder/COO)in

BoardGaetano Crupi(Director)inAndrew Davis(Director)inTrae Stephens(Director)in

Co-investorsAlpha PartnersBase Venture Management, Inc.Drive CapitalFifth Down CapitalFormula VCFriends Family Capital+18 more

Groq
Kalshikalshi.comin𝕏

Kalshi operates a federally regulated futures exchange that allows users to trade contracts based on the outcomes of real-world events, creating a new market for event-based financial derivatives.

FintechNew York City, US

Luana Lopes Lara(Founder)inTarek Mansour(Co-founder & CEO)in

BoardAlfred Lin(Director)inMichael Seibel(Director)inMatt Huang(Director)in

Co-investorsa16z cryptoAlpha PartnersAndreessen HorowitzCapitalGCoatue ManagementConductive Ventures+27 more

Loyal
OpenAI
Redwood Materialsredwoodmaterials.comin𝕏

Redwood Materials deploys large-scale energy storage systems for data centers and grid power while recycling batteries to recover critical minerals like lithium, nickel, cobalt, and copper as a domestic source of these materials.

Circular EconomyEnergyNew MaterialsCarson City, US

JB Straubel(Founder & CEO)inKevin Kassekert(Executive Officer)Jason Thompson(Executive Officer)in

BoardDavid Danielson(Director)in

Co-investorsBreakthrough Energy VenturesCoatue ManagementCollaborative FundCongruent VenturesEclipse VenturesFoothill Ventures+17 more

Reflection AIreflection.aiin𝕏

Reflection AI develops and releases open-weight AI models alongside published research and open-source software tools for customization and community building.

AI & Machine LearningNew York City, US

Ioannis Alexandros Antonoglou(Founder)in

Co-investorsAIX VenturesAudaciousB Capital GroupB4 CapitalBattery VenturesCRV (Charles River Ventures)+6 more

SpaceX

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Thirdbase made?
Thirdbase has 16 tracked investments.
What sectors does Thirdbase focus on?
Thirdbase focuses on AI & Machine Learning, Deep Tech, Space Tech.
Where is Thirdbase located?
Thirdbase is headquartered in New York, US.
Who does Thirdbase co-invest with?
Thirdbase most often shares deals with Alpha Partners, Coatue Management, Nexus Bay, among 94 tracked co-investors.

Images

Thirdbase photo

Co-investors · 1

Roosh Ventures

Roosh Ventures is the venture capital arm of Roosh Investment Group, providing tailored R&D, operational support, and access to a global network of experts. The firm leverages portfolio companies and advisors with deep expertise in AI/ML, gaming, fintech, marketing, adtech, and mobile apps to accelerate startup growth.

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

Similar investors

Featured in lists