Clough Capital is a venture debt provider. Based in Boston, Massachusetts, United States. Among the 9 companies in the known portfolio are Arcellx, Amphivena Therapeutics, CRISPR Therapeutics, Amunix, Apellis Pharmaceuticals and Elcelyx Therapeutics.
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Investment focus
Contacts
Clough Capital portfolio companies (9)
- Arcellx
- Amphivena Therapeutics
- CRISPR Therapeutics
- Amunix
- Apellis Pharmaceuticals
- Elcelyx Therapeutics
- Sienna Biopharmaceuticals
- ARMO BioSciences
- Checkmate Pharmaceuticals
Co-investors
Funds that share portfolio companies with Clough Capital.
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About Clough Capital
The firm's known deals cluster at Growth and Series B.
Clough Capital shares portfolio companies with 9 other investment firms, among them Industrial Investors Group, Vertex Pharmaceuticals and Sectoral Asset Management.
Frequently asked questions
What is Clough Capital?
Clough Capital is a venture debt provider based in Boston, Massachusetts, United States, with a known portfolio of 9 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 Clough Capital invest at?
The known deals of Clough Capital include Growth and Series B 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 Clough Capital?
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