Investors / United States / Thirdbase Capital
Thirdbase Capital
Venture capital · New York, NY, United States · North America
Thirdbase Capital is a global private markets firm that invests in growth-stage companies, primarily through direct rounds and structured late-stage transactions, and also backs early-stage managers. It runs a co-investment platform through which outside investors participate alongside it in selected deals.
Invests inAI & Machine Learning
In its own wordsfrontier aidefenseenergyroboticsco-investmentemerging managers
Your fit with Thirdbase Capital
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsThirdbase Capital lists 40 checked portfolio companies on its own site. Its largest themes are AI & Machine Learning (30%), Fintech (14%) and Healthcare & Biotech (8%). 88% of its companies are based in United States. It invests most often alongside Andreessen Horowitz, SV Angel and DataPower Ventures.
No funding round on record names Thirdbase Capital yet, so the figures come from its portfolio page.
Round figures show recent activity, not Thirdbase Capital's whole history. Rounds on record name 0 companies; its own site lists 40. Funding rounds are complete from mid-2025, so counts and the yearly trend undercount a firm that invested before then. The portfolio, themes and places come from its own site and are not affected.
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| AI & Machine Learning | 30% | 18% |
| Fintech | 14% | 12% |
| Healthcare & Biotech | 8% | 15% |
| Enterprise Software | 8% | 8% |
| Education | 6% | 7% |
| Industrial & Manufacturing | 6% | 7% |
| Cybersecurity | 6% | 4% |
| Robotics & Hardware | 5% | 1% |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Andreessen Horowitz | 10 |
| SV Angel | 10 |
| DataPower Ventures | 8 |
| Inertia Ventures | 8 |
| Koru Capital | 8 |
| Opulentia Ventures | 8 |
| Rosecliff Ventures | 8 |
| Founders Fund | 7 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 77th | 39 companies |
| Recent activity | 46th | 0 rounds in 12 months |
| Early stage | 54th | 0% of entries at pre-seed or seed |
| Evidence | 52th | 0% of companies confirmed by a round |
| Sector focus | 53th | 30% in its largest sector |
| Reach | 70th | 4 countries |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers40100%
- No longer answers00%
- Points to another company00%
- Parked or sold domain00%
A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.
Co-investor network
who it backs companies with, and who they back togetherAll co-investors or Compare portfolios with Andreessen Horowitz
Compare Thirdbase Capital head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Portfolio
40 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Aalo Atomics builds mass-manufactured nuclear power plants designed to power data centers and other applications | EducationIndustrial & Manufacturing | Portfolio page | ||
| Abridge develops and provides generative AI for clinical conversations and documentation in healthcare. | Healthcare & BiotechAI & Machine Learning | Portfolio page | ||
| Anduril Industries specializes in advanced autonomous systems for defense and commercial mission sets. | AI & Machine LearningAI & Machine Learning | Portfolio page | ||
| Apptronik provides solutions for businesses, including goods-to-person, person-to-goods, packout, kitting, inspection and sorting, and machine and tool tending. | Industrial & Manufacturing | Portfolio page | ||
| Atoms invests in and develops companies in various industries, including food and robotics. | Food & AgricultureRobotics & Hardware | Portfolio page | ||
| Aven offers credit cards and other financial products backed by home equity or bitcoin. | FintechConsumer | Portfolio page | ||
| Black Forest Labs develops and provides AI models for image, video, and audio processing and generation | AI & Machine LearningMedia & Entertainment | Portfolio page | ||
| The company provides a software system that uses drones, sensors, and AI for protective systems and coordinated response | AI & Machine LearningCybersecurity | Portfolio page | ||
| Colossal develops genetics and biosciences to de-extinct lost species, such as the woolly mammoth, to restore ecosystems. | ConsumerHealthcare & Biotech | Portfolio page | ||
| The company provides cloud-based artificial intelligence infrastructure and services | AI & Machine LearningCybersecurity | Portfolio page | ||
| Databricks provides a unified platform for data, analytics, and AI. | AI & Machine LearningEnterprise Software | Portfolio page | ||
| Decart builds infrastructure and models for artificial intelligence to run at high speeds. | AI & Machine LearningCybersecurity | Portfolio page | ||
| Fincent provides online bookkeeping services for small businesses in the USA, including bookkeeping, accounting, and CFO insights | Fintech | Portfolio page | ||
| Flagler provides an AI-powered operating system for musculoskeletal care | Healthcare & Biotech | Portfolio page | ||
| Gecko Robotics develops and uses AI and robotic tools to inspect and maintain critical infrastructure | Industrial & ManufacturingAI & Machine Learning | Portfolio page | ||
| General Intuition builds models that can perceive, predict, and act in virtual and physical environments | AI & Machine LearningGaming | Portfolio page | ||
| Groq operates a cloud platform for running AI inference, built on its own LPU chips and combined with NVIDIA GPUs. | AI & Machine LearningEnterprise Software | Portfolio page | ||
| Higgsfield develops and provides an AI-native creative suite for generating images, videos, and other content | AI & Machine LearningMedia & Entertainment | Portfolio page | ||
| The company develops artificial intelligence models that focus on human relationships and interactions. | AI & Machine LearningRobotics & Hardware | Portfolio page | ||
| Portfolio page |
About this data
site last read 5 Nov 2026- Site
- thirdbasecap.com
- Last read
- 5 Nov 2026
- Watching since
- 6 Nov 2026
- Companies checked
- 40
Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.
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