Investors / United States / Fortitude Ventures
Fortitude Ventures
Venture capital · San Francisco, CA, United States · North America
Fortitude Ventures is an early stage venture firm based in San Francisco. It partners with founders using AI, robotics, and frontier technologies, and typically writes initial checks of $500K–$1M.
Invests inAI & Machine LearningHealthcare & Biotech
In its own wordsairoboticsautonomous systemsfrontier techembodied intelligencedefense
Your fit with Fortitude Ventures
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsFortitude Ventures lists 16 checked portfolio companies on its own site and is named in 4 funding rounds. Its most frequent entry is Seed, 50% of the companies with a known first round. Its largest themes are AI & Machine Learning (42%), Healthcare & Biotech (15%) and Enterprise Software (8%). 100% of its companies are based in United States. It invests most often alongside Geodesic Capital, Y Combinator and Draper Associates.
Counts come from funding rounds that name Fortitude Ventures, complete from mid-2025: earlier rounds appear only when they were reported later. Round amounts and full round histories are on Fundup AI.
Round figures show recent activity, not Fortitude Ventures' whole history. Rounds on record name 4 companies; its own site lists 16. 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.
Entry stage
share of companies by the stage of its first roundShow as a table
| Value | |
|---|---|
| Pre-seed | 0% |
| Seed | 50% |
| Series A | 25% |
| Series B | 25% |
| Growth | 0% |
Activity by year
rounds it joined, last 10 yearsShow as a table
| Total | Rounds it led | |
|---|---|---|
| '17 | 0 | 0 |
| '18 | 0 | 0 |
| '19 | 0 | 0 |
| '20 | 0 | 0 |
| '21 | 0 | 0 |
| '22 | 0 | 0 |
| '23 | 0 | 0 |
| '24 | 0 | 0 |
| '25 | 1 | 0 |
| '26 | 3 | 0 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 42th | 16 companies |
| Recent activity | 76th | 3 rounds in 12 months |
| Early stage | 73th | 50% of entries at pre-seed or seed |
| Evidence | 90th | 19% of companies confirmed by a round |
| Sector focus | 76th | 42% in its largest sector |
| Reach | 19th | 1 country |
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| AI & Machine Learning | 42% | 18% |
| Healthcare & Biotech | 15% | 15% |
| Enterprise Software | 8% | 8% |
| Real Estate & Construction | 8% | 3% |
| Education | 8% | 7% |
| Media & Entertainment | 4% | 4% |
| Industrial & Manufacturing | 4% | 7% |
| Gaming | 4% | 1% |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Geodesic Capital | 3 |
| Y Combinator | 3 |
| Draper Associates | 2 |
| Fika Ventures | 2 |
| Starship Ventures | 2 |
| BBG Ventures | 1 |
| Backswing Ventures | 1 |
| Base10 Partners | 1 |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers1594%
- No longer answers00%
- Points to another company16%
- 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 Geodesic Capital
Compare Fortitude Ventures head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Recent portfolio activity
when companies last raised with Fortitude Ventures| Date | Company | Stage |
|---|---|---|
| 18 Aug 2026 | Series B | |
| 16 Jun 2026 | Series A | |
| 4 Feb 2026 | Seed |
Round details for Fortitude Ventures
Amounts, full round histories and every co-investor in Fortitude Ventures' rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
16 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Arctic Health handles provider credentialing and enrollment for healthcare providers, managing documentation, payer submissions, and follow-ups on their behalf | Healthcare & Biotech | Portfolio page | ||
| Cashmere connects publishers and AI applications to manage and license content | Media & EntertainmentAI & Machine Learning | Feb 2026Seed | Page + round | |
| Coval provides a platform for testing and evaluating voice AI systems. | AI & Machine LearningEnterprise Software | Portfolio page | ||
| Current Surgical is a company that develops and applies a new focused ultrasound technology stack to reinvent surgery for the modern era. | Healthcare & Biotech | Portfolio page | ||
| The company provides an online platform for generating and designing house plans using AI. | Real Estate & ConstructionAI & Machine Learning | Portfolio page | ||
| First Resonance develops and provides manufacturing software solutions | Industrial & Manufacturing | Portfolio page | ||
| HOPPR develops and validates medical imaging AI with a secure environment and traceability | Healthcare & Biotech | Portfolio page | ||
| Jest.com is a platform with mobile games you play for free in your browser. | Enterprise SoftwareGaming | Portfolio page | ||
| Katalyst Space develops and operates robotic spacecraft for dynamic space operations | AI & Machine LearningAI & Machine Learning | Jun 2026Series A | Page + round | |
| MaxHome provides AI-powered operations for modern real estate brokerages to automate workflows and reduce processing time | Real Estate & Construction | Portfolio page | ||
| Poseidon Aerospace builds autonomous aircraft to move goods faster and cheaper anywhere they're needed | AI & Machine LearningAI & Machine Learning | Portfolio page | ||
| The company provides a test infrastructure platform for physical AI and robotics | AI & Machine LearningRobotics & Hardware | Portfolio page | ||
| Smack Technologies develops artificial intelligence technology for national security applications | AI & Machine LearningCybersecurity | Aug 2026Series B | Page + round | |
| Upstart Education provides a conversational data analytics platform for K-12 schools to access and analyze student data | EducationEducation | Portfolio page | ||
| Vatn Systems designs and builds autonomous underwater systems and vehicles for defense applications | AI & Machine LearningAI & Machine Learning | Portfolio page | ||
| Veridian Health connects healthcare systems and turns fragmented data into unified intelligence to transform healthcare information into decisions and coordinated action. | Healthcare & Biotech | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- fortitudevc.com
- Last read
- 5 Nov 2026
- Watching since
- 6 Nov 2026
- Rounds since
- 21 Oct 2025
- Companies checked
- 16
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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