Janus Henderson Investors
Asset Manager SEC-registered adviser
Legal name: Janus Henderson Investors US LLC
AUM
$380.4B
Regulatory AUM
Private funds
16
Hedge Fund 7 · Other 4 · Private Equity 3 · Liquidity 2
Private fund assets
$13.6B
Gross asset value
Employees
1,013
Last Form D raise
Feb 2026
Most recent fund filing
From SEC Form ADV filing (filed Jul 29, 2026). View on SEC
People(2)
Owners and executive officers named on the firm's SEC Form ADV.
M
M
Funds(16)
Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.
| Fund | Type | Gross assets | Raised (Form D) | Investors | Last Form D | Recency |
|---|---|---|---|---|---|---|
| Janus Henderson Antik Ventures Master Fund I LP | Private Equity | — | $6.1M | 35 | Feb 2026 | Warm |
| Aerospace Opportunity Fund LP | Private Equity | $31.9M | $31.9M | 41 | Dec 2025 | Warm |
| Medtech Opportunity Fund, L.P | Private Equity | $92.9M | $65.0M | 11 | Jul 2025 | Cool |
| Janus Henderson Cash Liquidity Fund LLC | Liquidity | $2.7B | $1.1B | 40 | Jan 2017 | Cold |
| Janus Henderson Core Plus Fixed Income Fund LLC | Other | $1.0B | $65.0M | 2 | Jan 2017 | Cold |
| Janus Henderson Cash Collateral Fund LLC | Liquidity | $434.9M | $107.5M | 20 | Jan 2017 | Cold |
| Janus Henderson Institutional Concentrated Growth Portfolio | Other | $103.5M | $33.4M | 7 | Jan 2017 | Cold |
| Janus Henderson International Research Equity Portfolio | Other | $184.1M | $80.8M | 5 | Jan 2017 | Cold |
| Janus Henderson European Best Ideas Fund LLC | Other | $319.1M | — | — | Jul 2014 | Cold |
| Janus Henderson Biotech Innovation Master Fund LTD. | Hedge Fund | $6.1B | — | — | — | |
| Janus Henderson Biotech Innovation Master Fund II LTD. | Hedge Fund | $1.2B | — | — | — | |
| Janus Henderson Castor Master Fund LTD. | Hedge Fund | $655.6M | — | — | — | |
| Janus Henderson Multi-Strategy Master Fund LTD. | Hedge Fund | $566.0M | — | — | — | |
| Janus Henderson Capella Fund LTD. | Hedge Fund | $106.9M | — | — | — | |
| Janus Henderson Dynamic Trend Master Fund LTD. | Hedge Fund | $22.6M | — | — | — |
Board seats
Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.
No board seats matched from SEC filings yet.
Regulatory identifiers
- CRD number
- 104652
- SEC file number
- 801-13991
- CIK
- 812295
Sources
- SEC Form ADV Oct 14, 2026