Riot Ventures

Riot Ventures Riot Ventures was founded in 2017 in Los Angeles by Stephen Marcus and Will Coffield. The focus is deep tech across intelligence, sensing and control, communication, mobility, and security. applied to defense, manufacturing, energy, and industrial automation. Check sizes can reach up to $100M including late-stage SPVs. The portfolio is now valued at roughly $16B and includes Toast, Desktop Metal, and Shield AI (autonomous AI pilots). Other holdings include True Anomaly (orbital sp