Protagonist
Protagonist appears in 1 AI deal tracked on AI Lounge in 2026.
Investing activity
Protagonist appears in 1 AI deal tracked by the AI Lounge deals desk, rounds totalling $1.5B. The rounds are mostly Series E, with a median round size of $1.5B. The most recent is Tenstorrent (Series E, $1.5B, Oct 2026).
Protagonist most often invests alongside Trace Capital, Innovation X Advisors, Innovation X and Agostinelli Group, and the companies it backs on AI Lounge are mostly in AI chips.
Deals
Frequently asked questions about Protagonist
What AI companies has Protagonist invested in?
Protagonist's AI investments include Tenstorrent. The 1 round on AI Lounge are listed on this page with amounts, dates and co-investors.
What stage does Protagonist invest at?
In the rounds tracked on AI Lounge, Protagonist has invested at Series E, with a median round of $1.5B.
Who does Protagonist co-invest with?
Protagonist's most frequent co-investors on AI Lounge are Trace Capital (1 deal), Innovation X Advisors (1 deal), Innovation X (1 deal), Agostinelli Group (1 deal) and Sandisk (1 deal).
How can founders reach Protagonist?
Founders on AI Lounge can see Protagonist'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 Protagonist to their Investor Pipeline to track the conversation.