A-Star Partners, LLC
SEC exempt reporting adviser (venture capital exemption).
- Website
- https://www.a-star.co/
- HQ
- CA
A-Star Partners is an early stage venture capital firm that is leading the shift from transactional capital to meaningful partnerships. Kevin Hartz and Bennett Siegel are Co-Founders and General Partners. The firm lists portfolio companies such as Airbnb, Notion, Ramp, and Palantir, and has announced A* III, an early-stage fund.
01 · Says / Does
| Tag | Says | Does |
|---|---|---|
| Stages | Pre-seed, Seed, Series A | Series A |
| Sectors | Not stated | AI applications, Robotics |
| Regions | Not stated | Not enough dated deals |
Says: what the firm's funds state. Does: from 4 dated deals in the last 24 months.
02 · Fund history
| Fund | Year | Size | Status |
|---|---|---|---|
| A-Star Fund III-A, LP A-Star Partners is an early stage venture capital firm that backs outliers from idea to IPO, investing first with conviction and founder-centric partnerships. Its portfolio spans AI applications, robotics, fintech, marketplaces, and healthcare. Inferred from the firm's website and portfolio companies | approx. 2026 | $13M (Form D) | Raising |
| A-Star Fund III, LP A-Star Partners is an early stage venture capital firm that backs outliers from idea to IPO, investing first with conviction and founder-centric partnerships. Its portfolio spans AI applications, robotics, fintech, marketplaces, and healthcare. Inferred from the firm's website and portfolio companies | 2026 | $451M (Form D) | Open, writing first checks |
| A-Star Capital Fund II, LP A-Star Partners is an early stage venture capital firm that backs outliers from idea to IPO, investing first with conviction and founder-centric partnerships. Its portfolio spans AI applications, robotics, fintech, marketplaces, and healthcare. Inferred from the firm's website and portfolio companies | approx. 2023 | $300M to $315.8M (Form D and SEC adviser filing) | Open, writing first checks |
| A-Star Partners Fund I-A, LP | approx. 2021 | $30M (Form D) | Follow-ons only |
| A-Star Partners Fund I, LP | approx. 2021 | $250M to $348.63M (Form D and SEC adviser filing) | Follow-ons only |
03 · People across funds
- Bennett Siegel, Co-Founder & General Partner
A-Star Fund III-A, LP (Named on Form D); A-Star Fund III, LP (Named on Form D); A-Star Capital Fund II, LP (Named on Form D); A-Star Partners Fund I-A, LP (Named on Form D); A-Star Partners Fund I, LP (Named on Form D)
- Gautam Gupta, Co-Founder & Venture Partner
A-Star Fund III-A, LP (Named on Form D); A-Star Fund III, LP (Named on Form D); A-Star Capital Fund II, LP (Named on Form D); A-Star Partners Fund I-A, LP (Named on Form D); A-Star Partners Fund I, LP (Named on Form D)
- Kevin Hartz, Co-Founder & General Partner
A-Star Fund III-A, LP (Named on Form D); A-Star Fund III, LP (Named on Form D); A-Star Capital Fund II, LP (Named on Form D); A-Star Partners Fund I-A, LP (Named on Form D); A-Star Partners Fund I, LP (Named on Form D)
- Jordan Windmueller, Partner
A-Star Fund III-A, LP (Team); A-Star Fund III, LP (Team); A-Star Capital Fund II, LP (Team); A-Star Partners Fund I-A, LP (Team); A-Star Partners Fund I, LP (Team)
- Vikram Ramakrishnan, Partner
A-Star Fund III-A, LP (Team); A-Star Fund III, LP (Team); A-Star Capital Fund II, LP (Team); A-Star Partners Fund I-A, LP (Team); A-Star Partners Fund I, LP (Team)
04 · Recent deals
05 · Latest from the firm
- InvestmentBacking Watney to Automate Data Centers — A* - Guiding Outliers From Idea To IPOSep 17, 2026
- InvestmentPartnering with Antioch to Close the Loop for Physical World — A* - Guiding Outliers From Idea To IPOSep 8, 2026
- InvestmentBacking Andera as it Rebuilds the Future of Audit and Compliance — A* - Guiding Outliers From Idea To IPOJul 20, 2026
- InvestmentPartnering with Telepatia Building the AI Doctor for Latin America — A* - Guiding Outliers From Idea To IPOJun 16, 2026
- New fundAnnouncing A* III — A* - Guiding Outliers From Idea To IPOMay 12, 2026
06 · Sources
- https://www.a-star.co/
- https://www.a-star.co/contact
- https://www.a-star.co/news/watney
- https://www.a-star.co/news/andera
- https://www.a-star.co/companies
- https://www.a-star.co/team
- https://www.a-star.co/news/fundiii
- https://www.a-star.co/news
- https://www.a-star.co/news/telepatia
- https://www.a-star.co/news/antioch
Fund dates and sizes are from SEC Form D filings.
Last verified: Oct 28, 2026