Basis Set Ventures closes $250M fund IV to back early-stage AI startups
What’s the deal? Basis Set Ventures has closed its fourth fund at $250M, doubling down on its long-standing focus on artificial intelligence. The San Francisco-based firm, founded in 2017 by managing partner Lan XuezhaoDealroom has a profile for this one. Try Dealroom →, was one of the first venture funds dedicated solely to AI.
The new fund is larger than its $185M predecessor and will back early-stage startups building AI infrastructure, applications, and robotics. Basis Set typically leads or co-leads rounds, writing initial cheques of $2M to $3M and up to $10M.
Why now? AI has moved from a niche bet to the centre of the venture market, pushing up valuations and cheque sizes. Basis Set says the larger fund allows it to stay competitive while sticking to its original thesis.
The firm’s early bets — including Scale AI, Thinking Machines Lab, and Quince — have helped cement its reputation with founders and limited partners. Most of the fund’s backers are US institutions, alongside individual technology executives.
What could go wrong? The AI market is crowded, with hundreds of funds now chasing similar deals. Competition could compress returns as valuations rise and differentiation becomes harder.
There is also execution risk. Many AI startups still face long paths to revenue, and infrastructure-heavy plays can burn capital before reaching scale.
The signal: The fund close shows that specialist AI investors with a consistent track record can still raise large pools of capital. Conviction and focus appear to matter more than novelty in a market awash with AI funds.
Basis Set’s strategy suggests that the next phase of AI investing will concentrate less on hype and more on foundational technology that supports increasingly capable systems.
Sources:
Basis Set Ventures
The Wall Street Journal
TDPel Media
VCWire
J.V.
