Riot Ventures
Venture capitalActively deployingVenice · Seed–Growth · 3 people tracked
Also known as Riot Ventures C1 · Riot Ventures C1B · RIOT VENTURES MANAGEMENT, LLC
Investment thesis
Riot Ventures backs founders building at the intersection of advanced technology and physical infrastructure, with a focus on deeptech and hardware-enabled startups. Its portfolio spans AI infrastructure, defense and space systems, nuclear and geothermal energy, autonomous robotics, maritime and rail logistics, and industrial automation. The firm appears drawn to ambitious, technically complex companies tackling foundational problems in national security, energy, manufacturing, and enterprise AI.
Source: firm website, verified Aug 7, 2026.
Team · 3 people
from the firm's website & public directories
What they invest in
from 18 of 35 portfolio companiesAI & Machine Learning ×7Hardware ×7Enterprise Software ×5Deep Tech ×4Advanced Manufacturing ×3Cleantech ×3Data & Infrastructure ×3Defense Tech ×3
HQs:United States×8
Investments · 35 tracked
founders shown can be your intro pathBoston, US
Stephen Fredette(Executive Officer, Director, Promoter)Steve Papa(Director, Promoter)Jonathan Grimm(Director, Promoter)Christopher Comparato(Executive Officer, Director)Aman Narang(Director, Promoter)
Protecting service members and civilians with AI pilots
Alloy Enterprises designs and manufactures thermal management and cooling solutions for high-density servers and critical IT equipment.
Advanced ManufacturingData & InfrastructureDefense TechEnterprise SoftwareHardwareSomerville, US
Alison Forsyth(Executive Officer, Director)Nicholas Mykulowycz(Executive Officer, Director)Andrea Bedell(Executive Officer)
Apiphany builds an AI platform for product engineering and manufacturing that surfaces engineering knowledge and context, aiming to reduce time spent searching for information, preserve tribal knowledge, and catch design issues early.
Advanced ManufacturingAI & Machine LearningEnterprise Software
Brick Dynamics helps companies expand into new cities by setting up warehousing, local teams, and delivery operations without fixed overhead.
Logistics & Supply ChainMiami, US
Thomas O'Brien(Executive Officer, Director)Timothy Hennessy(Executive Officer, Director)
Common Sense builds modular software for local government agencies, automating administrative work such as public records/FOIA requests, council meeting management, and custom workflow systems.
AI & Machine LearningGovTechSaaS
Elementary Robotics builds a factory AI stack for automated visual quality inspection, combining machine vision hardware (cameras, lighting, edge controllers), self-training defect-detection AI (VisionStream), and a cloud platform (QualityOS) for traceability and analytics.
Advanced ManufacturingAI & Machine LearningRobotics
Endurance Energy develops subsea geothermal technology to generate renewable electricity from volcanic activity on the seafloor, providing reliable 24/7 power with minimal environmental footprint for islands, industrial sites, and data centers.
CleantechDeep TechEnergy
AI platform for payables automation
Oxide provides an on-premises cloud platform that integrates compute, storage, networking, and software in a single system, designed to deliver cloud-like elasticity and programmability for enterprise workloads.
Cloud ComputingEnterprise SoftwareHardwareEmeryville, US
Steven Tuck(Executive Officer, Director)Bryan Cantrill(Executive Officer, Director)Jessica Frazelle(Executive Officer)Pierre Lamond(Director)Scott Orn(Executive Officer)
BoardSeth Winterroth(Director)
Parallel manufactures automated, battery-electric rail vehicles to enable railroads to serve shorter routes and lower-density markets traditionally served by trucking.
CleantechHardwareLogistics & Supply ChainLos Angeles, US
John Howard(Executive Officer, Director)Joshua Posamentier(Director)Matthew Soule(Executive Officer, Director)
PartnerWill Coffield· led
Construction tech company with autonomous vehicles replacing manual field layout with fully-coordinated design marking.
Shield AI develops AI pilot systems for military applications including aircraft, drones, ships, satellites, and submarines.
AI & Machine LearningDefense TechSan Diego, US
Brandon Tseng(President & Co-Founder)Ryan Tseng(President, Co-Founder & Chief Strategy Officer)Andrew Reiter(Co-founder)Keith Dunleavy(Director)Andrew Berlin(Director)Peter Levine(Director)
Sift is an end-to-end platform for teams building advanced hardware that consolidates sensor and telemetry data into a single system for analysis, anomaly detection, and automated test rule evaluation.
Data & InfrastructureDeep TechHardware
Simbe provides retail inventory and monitoring solutions combining computer vision, robotics, RFID, and fixed sensors for retail businesses.
AI & Machine LearningRetail TechRobotics
Brad Bogolea(CEO)Ryan Gembala(Director)Subodh Gupta(Director)Mirza Akbar Shah(Executive Officer, Director)Bradley Douglas Bogolea(Executive Officer, Director, Promoter)Jay Douglas Knafel(Director)
STOR is a food preservation company that extends the freshness and shelf life of food by modifying the air surrounding it.
AgTechFoodTech
True Anomaly designs and builds hardware and software systems for space security and defense.
Defense TechHardwareSpace TechCentennial, US
Even Rogers(CEO and Co-Founder)Kyle Zakrzewski(Chief Engineer and Co-Founder)Thomas Nichols(Executive Officer, Director)Jesse Michaels(Director)Daniel Brunski(Director)Austin Bishop(Director)
PartnerWill Coffield· led
Valar Atomics is developing and scaling high-temperature gas nuclear reactors for grid-independent applications including hydrogen production, data center power, and clean hydrocarbon fuel production.
CleantechDeep TechEnergySan Rafael, US
Isaiah Taylor(Founder & CEO)in
Frequently asked questions
- What stage does Riot Ventures invest at?
- Riot Ventures invests at the Seed, Growth stages.
- What is Riot Ventures's typical check size?
- Riot Ventures typically writes checks of $3M.
- What sectors does Riot Ventures focus on?
- Riot Ventures focuses on Advanced Manufacturing, AI & Machine Learning, Cleantech, Climate Tech, Construction Tech, Deep Tech, Defense Tech, Energy, Enterprise Software, Fintech, FoodTech, GovTech, Hardware, Logistics & Supply Chain, Medical Devices, Mobility & Transportation, Robotics, Space Tech.
- Where is Riot Ventures located?
- Riot Ventures is headquartered in Venice, US.
- Does Riot Ventures lead rounds?
- Yes, Riot Ventures leads investment rounds.
Media · Podcasts & interviews
featuring the teamWill Coffield -- Riot Ventures
LA Venture Podcast · Will Coffield
E186: Will Coffield, Co-Founder & General Partner at Riot Ventures
LA Venture · Will Coffield
Images
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