Counterpart
Counterpart Ventures is a venture capital firm based in San Francisco, founded in 2018 by Patrick Eggen and Joe Saijo. The firm specializes in Seed and Series A investments, focusing on B2B SaaS, enterprise software, mobility, and marketplace startups. It is recognized as the first institutional VC fund established by former corporate venture capital leaders, leveraging its "Counter Club" community to connect founders with real customers and strategic partnerships. The firm typically invests between $1 million and $5 million per deal, emphasizing speed and partnership. Counterpart Ventures pr
Investing activity
Counterpart 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).
Counterpart most often invests alongside Eclipse, AMD, Jane Street and USIT, and the companies it backs on AI Lounge are mostly in AI compute infrastructure.
Deals
Frequently asked questions about Counterpart
What AI companies has Counterpart invested in?
Counterpart'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 Counterpart based?
Counterpart is based in San Francisco, California, United States.
What stage does Counterpart invest at?
In the rounds tracked on AI Lounge, Counterpart has invested at Series D, with a median round of $445M.
Who does Counterpart co-invest with?
Counterpart's most frequent co-investors on AI Lounge are Eclipse (1 deal), AMD (1 deal), Jane Street (1 deal), USIT (1 deal) and Riot Ventures (1 deal).
How can founders reach Counterpart?
Founders on AI Lounge can see Counterpart'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 Counterpart to their Investor Pipeline to track the conversation.