Janus Henderson Biotech Innovation Master Fund Ltd.
Hedge FundFund ID 805-3936541077Cayman Islands
Gross assets
$6.06B
Min. investment
$1M
Beneficial owners
495
Size rank
Top 1%
Audited
Yes
Structure
Master
About this fund
Janus Henderson Biotech Innovation Master Fund Ltd. is a hedge fund managed by Janus Henderson Investors US LLC. The fund reports $6.1 billion in gross assets, placing it among the top 1% of private funds by size. The stated minimum investment is $1 million. Its financial statements are audited annually. Private funds are not required to publicly disclose returns; Form ADV reports assets, structure, and service providers, shown above.
Fund details
| Fund ID | 805-3936541077 |
| Fund type | Hedge Fund |
| 3(c)(1) exclusion | No |
| 3(c)(7) exclusion | Yes |
| Master fund | Yes |
| Feeder fund | No |
| Fund of funds | No |
| Relies on exemption from registration | No |
| Annual audit | Yes |
| Prepared per GAAP | Yes |
| Sub-advised | No |
| % of assets independently valued | 100% |
Other funds from this manager
| Fund | Type | Gross assets |
|---|---|---|
| Janus Henderson Cash Liquidity Fund LLC | Liquidity | $2.74B |
| Janus Henderson Biotech Innovation Master Fund II Ltd. | Hedge | $1.2B |
| Janus Henderson Core Plus Fixed Income Fund LLC | Other Private | $1.03B |
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Join to unlock · $37/moFrequently asked questions
How large is Janus Henderson Biotech Innovation Master Fund Ltd.?
Janus Henderson Biotech Innovation Master Fund Ltd. reports $6.1 billion in gross assets, among the top 1% of private funds by size.
What is the minimum investment for Janus Henderson Biotech Innovation Master Fund Ltd.?
The stated minimum investment is $1 million.
Who manages Janus Henderson Biotech Innovation Master Fund Ltd.?
Janus Henderson Biotech Innovation Master Fund Ltd. is managed by Janus Henderson Investors US LLC.
Does Janus Henderson Biotech Innovation Master Fund Ltd. disclose returns?
No. Private funds are not required to publicly disclose performance. Form ADV reports assets, structure, and service providers.
Manager
J
Denver, CO
Service providers
Prime broker
Custodian
Administrator
Auditor
Marketer
Reported gross assets
$6.06B▲ 186%
Mar '25Form ADV, monthlyJun '26
How this fund compares
Gross assetsTop 1%
Larger than 99% of 67,041 private funds
Gross assets vs Hedge FundsTop 3%
Larger than 97% of 12,442 hedge funds
Minimum investmentTop 33%
Higher than 67% of funds reporting a minimum
Investor base
Adviser & related persons15%
Funds of funds1%
Non-U.S. persons78%
Share of the fund's beneficial ownership reported on Form ADV. Categories can overlap.