Capstone Partners is a venture debt provider. Based in Boston, Massachusetts, United States. The known portfolio counts 21 companies, including FriendliAI, Liner, Neubility, Wrtn Technologies, G2GBIO and TR.
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Investment focus
Contacts
Capstone Partners portfolio companies (21)
- FriendliAI
- Liner
- Neubility
- Wrtn Technologies
- G2GBIO
- TR
- ioCrops
- Arocell
- Innerverz
- Mand.ro
- Nemesis
- Rapeech
- Webtoon
- ABLY Corporation
- Aberra
- Cookat
- GOPIZZA
- Musma
- NUUA
- POSCORE
- Pillyze
Co-investors
Funds that share portfolio companies with Capstone Partners.
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About Capstone Partners
The firm's known deals cluster at Growth, Seed and Series A.
Capstone Partners shares portfolio companies with 20 other investment firms, among them Capstone Partners Co., Capstone Partners | A Mizuho Company and Atinum Investment.
Frequently asked questions
What is Capstone Partners?
Capstone Partners is a venture debt provider based in Boston, Massachusetts, United States, with a known portfolio of 21 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What stage does Capstone Partners invest at?
The known deals of Capstone Partners include Growth, Seed and Series A rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
How do I contact Capstone Partners?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal