Fahr LLC
Fahr is the family office of Tom Steyer and Kat Taylor. In 2026 it joined Emerald AI's $150M Series A, which uses AI to make data centers flexible on the power grid.
Investing activity
Fahr LLC appears in 1 AI deal tracked by the AI Lounge deals desk, rounds totalling $150M. The rounds are mostly Series A, with a median round size of $150M. The most recent is Emerald AI (Series A, $150M, Aug 2026).
Fahr LLC most often invests alongside DCVC, Energize Capital, Emerson Collective and Foris Ventures, and the companies it backs on AI Lounge are mostly in AI data-center energy software.
Deals
Frequently asked questions about Fahr LLC
What AI companies has Fahr LLC invested in?
Fahr LLC's AI investments include Emerald AI. The 1 round on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is Fahr LLC based?
Fahr LLC is based in San Francisco, CA.
What stage does Fahr LLC invest at?
In the rounds tracked on AI Lounge, Fahr LLC has invested at Series A, with a median round of $150M.
Who does Fahr LLC co-invest with?
Fahr LLC's most frequent co-investors on AI Lounge are DCVC (1 deal), Energize Capital (1 deal), Emerson Collective (1 deal), Foris Ventures (1 deal) and Olayan Group (1 deal).
How can founders reach Fahr LLC?
Founders on AI Lounge can see Fahr LLC'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 Fahr LLC to their Investor Pipeline to track the conversation.