Palo Alto Investors is a private equity firm and venture debt provider. Among the 9 companies in the known portfolio are NewLeaf Symbiotics, Gossamer Bio, Oruka Therapeutics, VYNE Therapeutics, Aimmune Therapeutics and Alimera Sciences.
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Investment focus
- Sector
- Healthcare
- Focus
- Agri-BiotechBiotechDiagnosticsDrug DiscoveryMedTechPharma
Contacts
Palo Alto Investors portfolio companies (9)
- NewLeaf Symbiotics
- Gossamer Bio
- Oruka Therapeutics
- VYNE Therapeutics
- Aimmune Therapeutics
- Alimera Sciences
- Peak Bio
- Ceptaris Therapeutics
- NeXeption
Co-investors
Funds that share portfolio companies with Palo Alto Investors.
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About Palo Alto Investors
The firm's listing covers sector Healthcare, and focus areas Agri-Biotech, Biotech, Diagnostics and Drug Discovery; known deals cluster at Growth, Late-Stage and Series A.
Across the known portfolio, 16 co-investors appear alongside Palo Alto Investors, including Gullspång Re:food, MGV.VC and Surveyor Capital.
Frequently asked questions
What is Palo Alto Investors?
Palo Alto Investors is a private equity firm and venture debt provider 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 does Palo Alto Investors invest in?
Listed sectors include Healthcare; listed focus areas include Agri-Biotech, Biotech, Diagnostics and Drug Discovery. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Palo Alto Investors invest at?
The known deals of Palo Alto Investors include Growth, Late-Stage 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 Palo Alto Investors?
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