Riot Ventures Activity

Every public signal F4 has attached to this firm, with sources and cross-entity links.

4 investments· JUN 2026 – SEP 2026

Investment

Riot Ventures participated in American Supercritical's $8M pre-seed round led by Silent Ventures, backing supercritical CO2 power block technology.

American Supercritical

American Supercritical Riot Ventures

webull.comSEP 23, 2026

SEP 23, 2026

Investment

Riot Ventures co-led True Anomaly's $650M Series D round alongside Eclipse, surpassing $1B in total capital raised since founding.

True Anomaly

True Anomaly Riot Ventures

trueanomaly.spaceSEP 2026

SEP 2026

Investment

Riot Ventures participated in Valar Atomics' Series B-II round, with the company having raised $464M in total equity funding as of April 2026.

Valar Atomics

Valar Atomics Riot Ventures

cbinsights.comAUG 2, 2026

AUG 2, 2026

Investment

Participated in Endurance Energy's $54M Series A for subsea geothermal power.

Endurance Energy

Endurance Energy Riot Ventures

techcrunch.comJUN 11, 2026

JUN 11, 2026

Exit

Riot Ventures portfolio company Alloy Enterprises was acquired by Johnson Controls, marking a portfolio exit.

Alloy Enterprises

Alloy Enterprises Riot Ventures

pitchbook.comMAY 13, 2026

MAY 13, 2026

4 investments· FEB 2026 – MAR 2026

Investment

Riot Ventures participated in Shield AI's Series G round, which valued the defense startup at $12.7B (up 140%) after a U.S. Air Force deal.

Shield AI

Shield AI Riot Ventures

techcrunch.comMAR 26, 2026

MAR 26, 2026

Investment

Participated in Sift's $42M Series B led by StepStone Group.

Sift

Sift Riot Ventures

thesaasnews.comMAR 26, 2026

MAR 26, 2026

Investment

Participated in Integrate's $17M Series A led by FPV Ventures.

Integrate

Integrate Riot Ventures

startupintros.comFEB 11, 2026

FEB 11, 2026

Investment

Participated in Oxide Computer Company's $200M Series C led by U.S. Innovative Technology Fund.

Oxide Computer

Oxide Computer Riot Ventures

startupintros.comFEB 10, 2026

FEB 10, 2026

News

Closed Fund III at $160M, with 95% raised as of November 2025 and 48+ active investments in deployment phase.

Fund III closing ($160M)

Riot Ventures

wsj.comNOV 2025

NOV 2025

Investment

Participated in EnduroSat's $104M Series B-II alongside Google Ventures, Lux, and EIC Fund.

EnduroSat

EnduroSat Riot Ventures

endurosat.comOCT 30, 2025

OCT 30, 2025

Investment

Co-invested in Blue Water Autonomy's $50M Series A led by Google Ventures.

Blue Water Autonomy

Blue Water Autonomy Riot Ventures

goodwinlaw.comAUG 1, 2025

AUG 1, 2025

Essay

Will Coffield discusses Riot Ventures' journey from generalist to deep tech specialist, $1B+ AUM milestone, and thesis on industrial modernization.

Riot Ventures

Riot VenturesRiot Ventures

bankwithstifel.comJUL 3, 2025

JUL 3, 2025

Essay

Co-founder Will Coffield discusses Riot Ventures' thesis on industrial modernization through embodied AI and deep tech, reflecting on the firm's $1B+ AUM evolution from seed-stage focus.

From Generalist to Deep Tech Specialist: A Conversation with Will Coffield

Riot Ventures

bankwithstifel.comJUL 3, 2025

JUL 3, 2025