Pebblebed
Pebblebed invests at pre-seed to Series A in deeply technical founders, including AI infrastructure.
Investing activity
Pebblebed appears in 2 AI deals tracked by the Lounge deals desk. The rounds are mostly Seed, with a median round size of $9M. The most recent are Build (Seed, $8.5M, Jun 2026) and BottleCap AI (Seed, $7.5M, Jan 2026).
Pebblebed most often invests alongside Index Ventures, Sarah Friar, Transpose Platform Management and John Stecher, and the companies it backs on Lounge are mostly in AI.
Deals
Frequently asked questions about Pebblebed
What AI companies has Pebblebed invested in?
Pebblebed's AI investments include Build and BottleCap AI. The 2 rounds on Lounge are listed on this page with amounts, dates and co-investors.
Where is Pebblebed based?
Pebblebed is based in San Francisco, California, United States.
What stage does Pebblebed invest at?
In the rounds tracked on Lounge, Pebblebed has invested at Seed, with a median round of $9M.
Who does Pebblebed co-invest with?
Pebblebed's most frequent co-investors on Lounge are Index Ventures (1 deal), Sarah Friar (1 deal), Transpose Platform Management (1 deal), John Stecher (1 deal) and Tiny Supercomputer Investment Company (1 deal).
How can founders reach Pebblebed?
Founders on Lounge can see Pebblebed'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 Pebblebed to their Investor Pipeline to track the conversation.