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 200% year-over-year (3 deals in the last 12 months). Their most common stage is seed (45% of deals). Average disclosed round size is $17.8M (across 7 rounds with reported amounts).
Portfolio
10
Fund Size
—
Top Stage
Seed
Last 12 Mo
4
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
11 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| SSmack | Series B | $61M | Aug 2026 |
| SSmack | Seed | — | Mar 2026 |
 Cashmere | Seed | $5M | Feb 2026 |
 Syntracts | Seed | $5.3M | Oct 2025 |
 First Resonance | Unknown | — | Dec 2024 |
 Runna | Seed | — | Jan 2021 |
| KKatalyst | Series A | $26M | — |
 Katalyst Space | Unknown | $12M | — |
 MaxHome | Pre-Seed | $2M | — |
| EElaisian | Unknown | — | — |
| VVatn | Seed | $13M | — |
Top Co-Investors
Geodesic Capital4 shared
Costanoa Ventures2 shared
Scribble Ventures2 shared
First In2 shared
Bloomberg Beta2 shared
Felicis2 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
Myriad Venture Partners1 shared
Hyperplane1 shared
Khosla Ventures1 shared
Top Harvest Capital1 shared
Point72 Private Investments1 shared
Stripes1 shared
Last updated: 9 September 2026