What does Janus Henderson invest in?
Janus Henderson invests most often at Series B and Series D (86% of the rounds on record).

Last cheque observed Oct 2026; 7 cheques on record.
Deploying nowNew fund $155M, Oct 2026Hedge fund
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2 cheques in the last 12 months
Mostly Series B and Series D: 86% of its rounds
Every round we can evidence, newest first7 appearances
2 rounds
3 rounds
2 rounds
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
Named by the firm itself, on a filing, its Form ADV or its company registration20 named
We also hold 18 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
The investors most often in the same rounds as Janus Henderson. A count of rooms they were both in, not a relationship either has claimed.
The latest companies Janus Henderson put money into.
4 episodes naming Janus Henderson in the title, and 2 more that mention it.

[REPLAY] Andy Acker - Empty Rooms: Investing in Biotech at Janus Henderson (Capital Allocators, EP.274)

[REPLAY] Daniel Graña – Janus Henderson Investors Emerging Markets Equity (Manager Meetings, EP.13)

Andy Acker - Empty Rooms: Investing in Biotech at Janus Henderson (Capital Allocators, EP.274)

Daniel Graña – Janus Henderson Investors Emerging Markets Equity (Manager Meetings, EP.13)

Private Credit Investor: Victory Park’s Brendan Carroll

Thomas Haugaard - Hard Currency Emerging Markets Debt at JHI (EP.356)
Janus Henderson invests most often at Series B and Series D (86% of the rounds on record).
7 investments on record, 2 of them in the last 12 months. The most recent was in Oct 2026.
Its most recent investments on record: Soufflé Therapeutics (Series B, Oct 2026), Form Energy (Series G, Aug 2026) and 4D Molecular (Series B, Sept 2018).
The median round it joins is $135M.
Rarely, if at all: none of its 7 investments on record names it as the lead.
Most of the companies it backs are in the United States (100%).
Yes: it is actively investing, with 2 investments in the last 12 months.
Most often Fidelity (3 rounds together), Grupo Globo (2 rounds together) and Perceptive Ventures (2 rounds together).
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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it