BTSE
Investing activity
BTSE appears in 1 AI deal tracked by the Lounge deals desk. The rounds are mostly Seed, with a median round size of $3M. The most recent is IMMIX (Seed, $3.5M (EUR 3.1M), Oct 2026).
BTSE most often invests alongside Portfolio Ventures and Crane Venture Partners, and the companies it backs on Lounge are mostly in AI.
Deals
Frequently asked questions about BTSE
What AI companies has BTSE invested in?
BTSE's AI investments include IMMIX. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does BTSE invest at?
In the rounds tracked on Lounge, BTSE has invested at Seed, with a median round of $3M.
Who does BTSE co-invest with?
BTSE's most frequent co-investors on Lounge are Portfolio Ventures (1 deal) and Crane Venture Partners (1 deal).
How can founders reach BTSE?
Founders on Lounge can see BTSE'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 BTSE to their Investor Pipeline to track the conversation.