Theory Ventures
Theory Ventures, founded by Tomasz Tunguz, invests at seed and Series A in AI, data and software.
Investing activity
Theory Ventures appears in 1 AI deal tracked by the Lounge deals desk, rounds totalling $15M. The rounds are mostly Seed, with a median round size of $15M. The most recent is Artemis (Seed, $15M, Apr 2026).
Theory Ventures most often invests alongside First Round Capital, Brightmind Partners and Lockstep, and the companies it backs on Lounge are mostly in AI.
Deals
Frequently asked questions about Theory Ventures
What AI companies has Theory Ventures invested in?
Theory Ventures's AI investments include Artemis. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
Where is Theory Ventures based?
Theory Ventures is based in Canada.
What stage does Theory Ventures invest at?
In the rounds tracked on Lounge, Theory Ventures has invested at Seed, with a median round of $15M.
Who does Theory Ventures co-invest with?
Theory Ventures's most frequent co-investors on Lounge are First Round Capital (1 deal), Brightmind Partners (1 deal) and Lockstep (1 deal).
How can founders reach Theory Ventures?
Founders on Lounge can see Theory 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 Theory Ventures to their Investor Pipeline to track the conversation.