Investor profile
Keiretsu Capital LLC
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Keiretsu Capital is the exclusive worldwide fund partner of Keiretsu Forum, the world's largest angel investor network. The firm manages co-investment, blockchain, and real estate funds that enable limited partners and accredited investors to access proprietary deal flow generated by Keiretsu Forum's 3,000+ angel members across 50+ chapters on four continents. As stated on its LinkedIn page: 'Keiretsu Capital aims to provide significant capital appreciation through investment in high quality emerging companies that have been funded by the world's largest angel investor network, Keiretsu Forum, as well as other top tier angel groups.' The firm focuses on impact, IT, health-tech, fintech, and cleantech industries, investing alongside angels to complete rounds and source follow-on capital, while leveraging its syndication network of family offices, institutional investors, and crowdfunding partners.
Notable quotes
“Nathan McDonald currently manages over $24M across four funds with over 200 investors and 165 investments to date. Keiretsu Forum and Keiretsu Capital are ranked as the most active venture investors in the USA according to PitchBook.”
“Keiretsu Capital provides its investors access to proprietary deal flow by investing alongside the angels, providing additional capital to complete rounds and acting to source follow on capital where appropriate.”
“We have built a strong network headquartered in Seattle with a powerful investor network across the globe. Since its inception, we believe in investing in diverse opportunities and helping scale early-stage companies.”
Recent investments
| Company | Round | Size | Date |
|---|---|---|---|
| Skip Tech | Seed | — | 2025-12-15 |
| Apriority | Seed | — | 2025-10-23 |
| Tympanogen | Seed | — | 2025-02-17 |
| Healionics | Series A | $6m | 2024-02-22 |
| OtoNexus Medical Technologies | Later Stage VC | — | 2024-04-01 |
| EarthGrid | Seed | — | 2024-04-01 |
| HaptX | Seed | — | — |
| Mission Bio | Seed | — | — |
| iCan Be Well | Seed | — | — |
| Zive | Seed | $3m | 2024-09-01 |
Frequent co-investors
| VC firm | Deals together |
|---|---|
| Keiretsu Forum | 31 |
| Alliance of Angels | 10 |
| K2X | 5 |
| TCA Venture Group | 5 |
| To Life! Capital | 4 |
| Indian Angel Network | 3 |
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