Hallstone Ventures
Emerging managerBuilt from this firm's Form D filings. The firm files no SEC adviser report.
- HQ
- CA
Hallstone Ventures backs seed-stage founders building the software and infrastructure behind how modern media is created, distributed, measured, monetized, and experienced. Founder Seth Hallen has 25 years of media and entertainment technology experience, and venture partners include former leaders from Live Nation, Microsoft, and other media companies. Portfolio companies include ORBES, Waffle Video, and REX.
01 · Says / Does
| Tag | Says | Does |
|---|---|---|
| Stages | Seed | Not enough dated deals |
| Sectors | AI infra, Media | Not enough dated deals |
| Regions | Not stated | Not enough dated deals |
Says: what the firm's funds state. Does: from 0 dated deals in the last 24 months.
02 · Fund history
| Fund | Year | Size | Status |
|---|---|---|---|
| Hallstone Ventures Fund 1, LP Hallstone Ventures Fund 1 backs seed-stage founders building AI infrastructure for media, entertainment, and advertising. Inferred from the firm's website | 2025 | $11.05M (Form D) | Open, writing first checks |
03 · People across funds
- Seth Hallen, Managing Partner of the Manager of the General Partner of the Fund
Hallstone Ventures Fund 1, LP (Named on Form D)
- Andy Beach, Venture Partner
- Dave Kochbeck, Venture Partner
- Leon Silverman, Venture Partner
04 · Recent deals
No dated deals found yet.
05 · Latest from the firm
No news from the firm's website yet.
06 · Sources
- https://hallstoneventures.com
- https://hallstoneventures.com/team
- https://hallstoneventures.com/portfolio
- https://hallstoneventures.com/
- https://hallstoneventures.com/news
Fund dates and sizes are from SEC Form D filings.
Last verified: Oct 28, 2026