# Act One Ventures: investment profile

Published mandate, cheque sizes and source evidence for Act One Ventures. Sources checked 2026-10-12.

Source: https://12inf.ai/resources/funds/act-one-ventures
Updated: 2026-10-14

First-check investor at pre-seed and seed in AI-native companies: agent infrastructure, AI-native operating systems and services, and new AI-enabled markets; no ownership targets; rooted in San Francisco but open to founders anywhere.

## Published mandate

- **Stage:** Pre-seed, Seed

- **Cheque:** $1M

- **Geography:** Global

- **Sectors:** AI

## Notable investments

- [AG2](https://www.actoneventures.com) — 

- [Gail](https://www.actoneventures.com) — 

## Sources

Sources checked **2026-10-12**.

Verified on the fund's own site

- [Act One Ventures — Website](https://www.actoneventures.com)

- [Act One Ventures — Portfolio](https://www.actoneventures.com/portfolio)

- [Act One Ventures — About](https://www.actoneventures.com/about)

## Related investor lists

- [Pre-seed investors](/resources/investors/pre-seed)

- [Seed investors](/resources/investors/seed)

- [Seed AI investors](/resources/investors/seed-ai)

- [Pre-seed AI investors](/resources/investors/pre-seed-ai)

## Check before outreach

- [How to read an investor match](/resources/how-to-read-an-investor-match)

- [Check-size reality](/resources/check-size-reality)

- [Portfolio conflicts](/resources/portfolio-conflicts)

- [All investor lists](/resources/investors)

[How we research investors](/resources/methodology)