Investor

Air Street Capital

London-based venture capital firm focused on AI-first companies across biotech, defense, vertical software, and developer infrastructure; sole decision-maker Nathan Benaich

Venture Capital

Portfolio (2)

ElevenLabs

Synthesia

People

Nathan Benaichfounder, partner

Funding History

Mar 25, 2026

Air Street Capital closed its third fund at $232 million, making it the largest solo-GP venture fund in Europe. Nathan Benaich is the sole decision-maker, investing in AI-first companies across biotech, defense, vertical software, and dev infrastructure.

232M

News

Interviews (3)

Nathan Benaich on the State of AI Report: inference is now the business, and the build-out is limited only by capital

8 Oct 2026

Air Street Capital closes $232M Fund III, becoming the largest solo-GP fund in Europe

25 Mar 2026

Nathan Benaich on the State of AI: 90% of research uses Nvidia, compute index up 100x in 3 years, and EU's $1.1B plan is a house for ants

17 Oct 2025