Radius Capital is a San Francisco-based venture capital firm founded in 2019 by Peter Shannon, specializing in early-stage deep tech, software, AI systems, and robotics for the aerospace and defense value chains. The firm leads $100K–$1M rounds across the US, Europe, Israel, and Canada.
Deal activity increased 50% year-over-year (3 deals in the last 12 months). Average disclosed round size is $26.6M (across 12 rounds with reported amounts).
Portfolio
12
Fund Size
—
Top Stage
Series A
Last 12 Mo
3
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
16 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Worldscape | Seed | — | Mar 2026 |
| TTrener Robotics | Series A | — | Feb 2026 |
 PhysicsX | Series B | $155M | Nov 2025 |
| PhysicsX | Series B | — | Jun 2025 |
| MManna Drone Delivery | Unknown | $30M | Mar 2025 |
 Swarmer | Series A | $15M | Jan 2025 |
| Swarmer | Unknown | $2.7M | Jan 2024 |
| OOrqa FPV | Seed | $5.8M | Jan 2024 |
| PhysicsX | Series A | $32M | Nov 2023 |
 EndoGastric Solutions, Inc. | Series B | $30.5M | Jul 2018 |
 Aethon, Inc. | Growth | $6.6M | Jan 2008 |
 Danti | Pre-Seed | $2.8M | — |
 C-Infinity | Unknown | $16M | — |
 Orqa | Series A | — | — |
| WWorldscape.ai | Seed | $10M | — |
| OOrqa FPV | Series A | $12.7M | — |
Top Co-Investors
Standard Industries3 shared
NGP Capital3 shared
General Catalyst3 shared
Lightspeed Venture Partners3 shared
Siemens AG2 shared
Atomico2 shared
Allen & Company LLC2 shared
Scout Ventures2 shared
Washington Harbour Partners2 shared
Canaan Partners2 shared
Expeditions2 shared
KKR1 shared
NVentures1 shared
Applied Materials1 shared
Shanda Group1 shared
Geodesic Capital1 shared
Emergent Ventures1 shared
Engine Ventures1 shared
IAG Capital Partners1 shared
Last updated: 8 September 2026