Janus Henderson Investors
JH
JA
Janus Henderson Investors
About
Key facts
- Portfolio companies
- 9
- Stages
- MergerSeries B
- Cheque size
- $40M to $380M
Recent investments
| Date | Company | Round | Amount |
|---|---|---|---|
| 12 Nov 2026 | Neurosterix | Series B | $105M |
| 22 Oct 2026 | Star Therapeutics | Private Financing | $200M |
| 13 Jul 2026 | Draig Therapeutics | Series B | $65M |
| 21 Apr 2026 | Ray Therapeutics | Series B | $125M |
| 14 Apr 2026 | Calyxo | Series F | $40M |
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Frequently asked
What companies has Janus Henderson Investors invested in?
Janus Henderson Investors has invested in Neurosterix, Star Therapeutics, Draig Therapeutics, Ray Therapeutics, Calyxo and 4 more.
SEC filings, insider activity, nonprofit links and pay benchmarks for Janus Henderson Investors:

