Riot Ventures
Riot Ventures is a venture capital firm founded in 2017 by Will Coffield and Steve Marcus, based in Venice, California, with an additional office in Boston, Massachusetts. The firm specializes in early-to-growth stage investments in deep technology aimed at modernizing critical physical industries. Riot Ventures manages over $1 billion in assets and focuses on disruptive technologies and scalable business models, often investing before a clear market exists. The firm provides financial and operational support to startups, investing between $500,000 and $100 million. Riot Ventures offers strat
Investing activity
Riot Ventures appears in 1 AI deal tracked by the AI Lounge deals desk, rounds totalling $445M. The rounds are mostly Series D, with a median round size of $445M. The most recent is Oxide Computer Company (Series D, $445M, Oct 2026).
Riot Ventures most often invests alongside Eclipse, AMD, Counterpart and Jane Street, and the companies it backs on AI Lounge are mostly in AI compute infrastructure.
Deals
Frequently asked questions about Riot Ventures
What AI companies has Riot Ventures invested in?
Riot Ventures's AI investments include Oxide Computer Company. The 1 round on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is Riot Ventures based?
Riot Ventures is based in Los Angeles, California, United States.
What stage does Riot Ventures invest at?
In the rounds tracked on AI Lounge, Riot Ventures has invested at Series D, with a median round of $445M.
Who does Riot Ventures co-invest with?
Riot Ventures's most frequent co-investors on AI Lounge are Eclipse (1 deal), AMD (1 deal), Counterpart (1 deal), Jane Street (1 deal) and USIT (1 deal).
How can founders reach Riot Ventures?
Founders on AI Lounge can see Riot Ventures's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add Riot Ventures to their Investor Pipeline to track the conversation.