AI CAPITAL INTELLIGENCE
Air Street Capital | Institution profile
Institution at a glance
Air Street Capital is an AI-first venture firm founded and led by General Partner Nathan Benaich. It invests globally, with a focus on North America and Europe, primarily at pre-seed and seed. The firm publishes the State of AI Report and announced a $232.3 million Fund III in March 2026.
Source verification date: · Fund size, stages, geography, portfolio examples, and exits are firm-published. Portfolio companies and exits are selected examples, not audited fund returns. Air Street’s Odyssey ML record concerns an earlier seed round, not its 2026 Series B.
Names follow their disclosed form. Descriptive English renderings of Chinese names are not verified legal names. Original quotations are shown in their source language.
Key facts
| Founded | 2019, according to the firm. |
|---|---|
| Investment focus | AI-first companies, including frontier models, infrastructure, developer tools, robotics, agents, and TechBio. |
| Investment stage | Primarily pre-seed and seed, with selective growth investment. |
| Fund III | $232,323,232 announced on March 23, 2026; early-stage checks of $500,000–$15 million and selective growth checks up to $25 million. |
| Portfolio | The firm reports more than 60 AI-first companies; selected examples include Synthesia, Black Forest Labs, Poolside, and Profluent. |
Public record
- The firm lists selected exits including Graphcore, Adept, and Mapillary; these examples are not audited fund performance.
- A report on Odyssey ML’s Series B lists Air Street Capital as an investor in an earlier seed round.
Official contact details
- Official website: Air Street Capital
- Founder pitch submissions: nathan@airstreet.com
Sources
- 1. Air Street Capital — AI venture capital
Air Street Capital invests exclusively in AI-first companies and is founded and run by Nathan Benaich, solo General Partner.
- 2. Air Street Capital Fund III: $232M for AI-first startups
Air Street Capital has raised a third fund of $232,323,232 to back AI-first companies from the earliest stages in North America and Europe.
- 3. Air Street Capital portfolio
Odyssey · World models (US/UK)
- 4. Odyssey raises $310M as Amazon backs world-model company
Seed $9M undisclosed Google Ventures, DCVC, Air Street Capital 2024