F-Prime Capital
About F-Prime Capital
The Lounge deals desk lists two recent AI rounds with F-Prime Capital. Twin1 AI raised a $20M Seed round in August 2026. Almanac Health raised a $10M Seed round in April 2026, and the desk marks that round as led.
Lounge's profile tags list the firm at Pre-Seed, Seed, Series A, Series B and Series C+. Check sizes are not public in the sources reviewed.
Investing activity
F-Prime Capital appears in 2 AI deals tracked by the AI Lounge deals desk, rounds totalling $20M, and led 1 of them. The rounds are mostly Seed, with a median round size of $20M. The most recent are Twin1 AI (Seed, $20M, Aug 2026) and Almanac Health (Seed, $10M, Apr 2026).
F-Prime Capital most often invests alongside Tribeca Venture Partners, Aramco Ventures, Bessemer Venture Partners and AGI House Ventures, and the companies it backs on AI Lounge are mostly in AI.
Deals
Frequently asked questions about F-Prime Capital
Does F-Prime Capital invest in AI companies?
Yes. The Lounge deals desk lists AI seed rounds with the firm, including Twin1 AI in August 2026 and Almanac Health in April 2026.
What stages does F-Prime Capital invest in?
Lounge's profile tags list Pre-Seed, Seed, Series A, Series B and Series C+. Founders should confirm current stage focus with the firm directly.
How much does F-Prime Capital invest per company?
Check sizes are not public in the sources reviewed. The Lounge deals desk records round sizes, such as the $20M Twin1 AI Seed and the $10M Almanac Health Seed, but not the firm's individual check.
Where is F-Prime Capital based?
F-Prime Capital is based in Cambridge, Massachusetts, United States.
Where can I find F-Prime Capital online?
The firm's website is fprimecapital.com and its LinkedIn company page is linkedin.com/company/f-prime-capital-partners.
What AI companies has F-Prime Capital invested in?
F-Prime Capital's AI investments include Twin1 AI and Almanac Health. The 2 rounds on AI Lounge are listed on this page with amounts, dates and co-investors.
What stage does F-Prime Capital invest at?
In the rounds tracked on AI Lounge, F-Prime Capital has invested at Seed, with a median round of $20M. F-Prime Capital led 1 of those rounds.
Who does F-Prime Capital co-invest with?
F-Prime Capital's most frequent co-investors on AI Lounge are Tribeca Venture Partners (1 deal), Aramco Ventures (1 deal), Bessemer Venture Partners (1 deal), AGI House Ventures (1 deal) and KittyHawk Ventures (1 deal).
How can founders reach F-Prime Capital?
Founders on AI Lounge can see F-Prime Capital'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 F-Prime Capital to their Investor Pipeline to track the conversation.