Janus Henderson Investors is a private equity firm and venture debt provider. Based in London, England, United Kingdom. The known portfolio counts 10 companies, including Relmada Therapeutics, Achieve Life Science, Ray Therapeutics, Ovid Therapeutics, Solid Biosciences and Maze Therapeutics.
Is Janus Henderson Investors a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Sector
- FinTechHealthcare
- Focus
- BiotechDiagnosticsDrug DiscoveryMedTechPharmaPost-IPO Equity
Who to pitch at Janus Henderson Investors
Janus Henderson Investors portfolio companies (10)
- Relmada Therapeutics
- Achieve Life Science
- Ray Therapeutics
- Ovid Therapeutics
- Solid Biosciences
- Maze Therapeutics
- Ambrosia Biosciences
- Calyxo
- Adagene
- Longeveron
Co-investors
Funds that share portfolio companies with Janus Henderson Investors.
Similar funds
Showing 20 of 100
About Janus Henderson Investors
The firm's listing covers sectors FinTech and Healthcare, and focus areas Biotech, Diagnostics, Drug Discovery and MedTech; known deals cluster at Growth, Late-Stage and Series B.
Of the 9 people on file at Janus Henderson Investors, Rupert Pennant Rea (Chairman), Christopher Haddad (Principal) and Erdem Kilic (Senior Director) are listed as the contacts to approach first.
Janus Henderson Investors shares portfolio companies with 20 other investment firms, among them Marshall Wace, Deep Track Capital and Invus.
Frequently asked questions
What is Janus Henderson Investors?
Janus Henderson Investors is a private equity firm and venture debt provider based in London, England, United Kingdom, with a known portfolio of 10 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 Janus Henderson Investors invest in?
Listed sectors include FinTech and Healthcare; listed focus areas include Biotech, Diagnostics, Drug Discovery and MedTech. 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 Janus Henderson Investors invest at?
The known deals of Janus Henderson Investors include Growth, Late-Stage 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.
Who should I pitch at Janus Henderson Investors?
3 of the 9 people on file at Janus Henderson Investors are listed as contacts for the firm. All 9 have their own profile page.
How do I contact Janus Henderson Investors?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 9 people attached to the firm have their own pages, each showing whether an address is on file for them.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal