Fortitude Ventures is an early-stage venture capital firm based in the San Francisco Bay Area, investing in the AI autonomy of knowledge work and the robotic autonomy of the physical world. The firm backs deeply technical, mission-driven founders across healthcare, defense, and industry.
Deal activity increased 100% year-over-year (4 deals in the last 12 months). Their most common stage is seed (43% of deals). Average disclosed round size is $19.3M (across 10 rounds with reported amounts).
Portfolio
11
Fund Size
—
Top Stage
Seed
Last 12 Mo
4
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
14 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Smack | Series B | $61M | Aug 2026 |
| Smack | Seed | — | Mar 2026 |
 Cashmere | Seed | $5M | Feb 2026 |
| Smack | Series A | $32M | Jan 2026 |
 Syntracts | Seed | $5.3M | Oct 2025 |
 HOPPR AI | Series A | $31.5M | Jun 2025 |
 First Resonance | Unknown | — | Dec 2024 |
 Runna | Seed | — | Jan 2021 |
 KATALYST | Series A | $26M | — |
 Katalyst Space | Unknown | $12M | — |
 MaxHome | Pre-Seed | $2M | — |
| EElaisian | Unknown | — | — |
 Vatn | Seed | $13M | — |
| Syntracts | Seed | $5.3M | — |
Top Co-Investors
Geodesic Capital5 shared
Costanoa Ventures3 shared
Scribble Ventures3 shared
First In3 shared
GG13 shared
Bloomberg Beta3 shared
Felicis3 shared
Myriad Venture Partners2 shared
Hyperplane2 shared
Khosla Ventures2 shared
Top Harvest Capital2 shared
Washington Harbour Partners2 shared
Peterson Ventures1 shared
Third Prime1 shared
E12 Ventures1 shared
Craft Ventures1 shared
Blue Earth Capital1 shared
Founders Future1 shared
Reach Capital1 shared
NAVER D2SF1 shared
Last updated: 7 October 2026