HFO
HFO is a venture capital firm. Per Crunchbase, HFO has made 17 investments, 2 as lead investor across 17 portfolio companies, with 1 exits.
Investing activity
HFO has made 17 investments according to Crunchbase across 17 portfolio companies, and has led 2 rounds and seen 1 exit.
HFO appears in 1 AI deal tracked by the Lounge deals desk, rounds totalling $52M. The rounds are mostly Seed, with a median round size of $52M. The most recent is Fish Audio (Seed, $52M, Jul 2026).
HFO most often invests alongside Coreline Ventures, Capital Today, 359 Capital and Carya Venture Partners, and the companies it backs on Lounge are mostly in AI.
Deals
Frequently asked questions about HFO
What AI companies has HFO invested in?
HFO's AI investments include Fish Audio. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
Where is HFO based?
HFO is based in San Francisco, California, United States.
What stage does HFO invest at?
In the rounds tracked on Lounge, HFO has invested at Seed, with a median round of $52M.
Who does HFO co-invest with?
HFO's most frequent co-investors on Lounge are Coreline Ventures (1 deal), Capital Today (1 deal), 359 Capital (1 deal), Carya Venture Partners (1 deal) and Hyphen Capital (1 deal).
How can founders reach HFO?
Founders on Lounge can see HFO'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 HFO to their Investor Pipeline to track the conversation.