Riot Ventures
1632 Abbot Kinney Blvd, Venice, CA, 90291, United States
Overview
Riot Ventures was founded by Steve Marcus and Will Coffield in 2017. The firm invests at the seed- and early-stage levels in the deep technology sector.
- Total investments
- 36
- Lead investments
- 9
- Investments · 12mo
- 11
- Active investors
- 3
Sector focus
- Finance
- Financial Services
- Venture Capital
Investment portfolio
- Valar Atomics
Participated · Equity · Aug 2026
Valar Atomics is developing advanced nuclear reactors intended for scalable deployment and is pursuing clusters of small reactors—sometimes called "gigasites"—to serve high-demand users such as data centers and manufacturing. Founded in 2023 and based in California, the company is also exploring applications beyond grid electricity, including producing synthetic fuels and supplying industrial heat. Its technology and commercial approach target energy-intensive industries and the growing electricity needs driven by AI infrastructure. Financially, Valar recently raised approximately $450 million (about $340 million equity and $110 million debt) at a reported $2 billion valuation, following a prior $130 million raise in 2025. The company is backed by defense-tech investors including Palmer Luckey and Shyam Sankar.
- Queue
Participated · Seed · Jun 2026
Queue has developed a fully autonomous robotic pharmacy system that takes sealed wholesale pill bottles in one end and produces filled, verified prescription vials out the other. The platform currently supports 250 of the most prescribed medications in the United States and the company says it can deliver medications at up to 96% lower cost than traditional pharmacy operations. Queue has deployed a working prototype and has secured a major national pharmacy chain as a customer, providing early commercial validation. The company was co-founded by CEO Nick Desai and CTO Josh Liu; Desai previously founded Heal and Liu’s experience includes roles at Tesla and Zipline. Queue currently has a team of 20 engineers in Silicon Valley and is actively hiring across robotics, hardware, software and pharmacy operations. The company is positioning its autonomous fulfillment system for deployment across retail locations, hospitals, rural communities and other care settings facing pharmacy access and labor challenges.
- Endurance Energy
Participated · Series A · Jun 2026
Endurance Energy focuses on developing undersea geothermal energy projects. The company recently raised a seed financing round of $25 million to $30 million led by Founders Fund. The reported funding is intended to support development of its undersea geothermal initiatives. The article does not disclose revenue, users, or other operating metrics. No founding year, location, or prior funding details were provided in the report.
- True Anomaly
Led · Series D · Apr 2026
True Anomaly develops and delivers capabilities for space missions, including autonomous spacecraft, advanced payloads, mission software, and space-based interceptors. The company says its products enable the U.S. and its allies to secure the space environment and counter threats. Founded in 2022 and based in Centennial, CO, True Anomaly has offices in Colorado Springs, Washington, D.C., and Long Beach, CA, and is led by CEO Even Rogers. Financially, the company has now raised a total of $1 billion in capital, including a $650M Series D that closed with $50M of debt. In the next 18 months True Anomaly plans multiple missions in LEO and GEO and will conduct the VICTUS HAZE Tactically Responsive Space demonstration while advancing its payload portfolio. The company intends to use the new funding to accelerate delivery across its product portfolio and mission capabilities.
- Shield AI
Participated · Series G · Mar 2026
Founded in 2015, Shield AI develops autonomy software (Hivemind) and unmanned aircraft platforms such as V-BAT and X-BAT. Hivemind has piloted 26 classes of vehicles, including F-16s, jet-powered UAVs, helicopters, drone boats, and ground vehicles, and was selected by the U.S. Air Force as a mission autonomy provider for Collaborative Combat Aircraft (CCA). Shield AI is actively conducting flight tests of Hivemind onboard the Anduril YFQ-44A CCA. The company operates offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific and supports operations worldwide. Financially, Shield AI completed a $2.0 billion financing package at a $12.7 billion valuation tied in part to its planned acquisition of Aechelon, a high-fidelity simulation and synthetic reality company. The Aechelon acquisition is expected to close after regulatory approvals and will continue to operate independently while reporting into Shield AI’s leadership.