Bee Partners
Bee Partners is a venture capital firm based in San Francisco, specializing in pre-seed and seed-stage investments. Founded in 2009 by Michael Berolzheimer, the firm focuses on supporting radical technical founders at the early stages of their startups. Bee Partners is known for being a leading source of first institutional capital for deep technology startups. The firm invests in three main areas: human-machine interaction, machine-to-machine learning, and biological machines. Its portfolio includes companies in artificial intelligence, robotics, automation, and synthetic biology. Bee Partne Per Crunchbase, Bee Partners has made 148 investments, 33 as lead investor across 99 portfolio companies, with 25 exits including 1 IPOs.
Investing activity
Bee Partners has made 148 investments according to Crunchbase across 99 portfolio companies, and has led 33 rounds and seen 25 exits, 1 of them by IPO.
Bee Partners appears in 2 AI deals tracked by the Lounge deals desk, rounds totalling $16M. The rounds are mostly Seed, with a median round size of $16M. The most recent are C-Infinity (Seed, $16M, Apr 2026) and Feltsense Holdings (Seed, $5.1M, Feb 2026).
Bee Partners most often invests alongside Canaan Partners, Radius Capital, Inventus Capital Partners and Draper Associates, and the companies it backs on Lounge are mostly in AI.
Deals
Frequently asked questions about Bee Partners
What AI companies has Bee Partners invested in?
Bee Partners's AI investments include C-Infinity and Feltsense Holdings. The 2 rounds on Lounge are listed on this page with amounts, dates and co-investors.
Where is Bee Partners based?
Bee Partners is based in San Francisco, California, United States.
What stage does Bee Partners invest at?
In the rounds tracked on Lounge, Bee Partners has invested at Seed, with a median round of $16M.
Who does Bee Partners co-invest with?
Bee Partners's most frequent co-investors on Lounge are Canaan Partners (1 deal), Radius Capital (1 deal), Inventus Capital Partners (1 deal), Draper Associates (1 deal) and Liquid 2 Ventures (1 deal).
How can founders reach Bee Partners?
Founders on Lounge can see Bee Partners'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 Bee Partners to their Investor Pipeline to track the conversation.