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Athyrium Opportunities Fund IV Master (non-Us) LP

Hedge FundFund ID 805-4002359845Cayman Islands
Gross assets
$1.27B
Min. investment
Beneficial owners
24
Size rank
Top 6%
Audited
Yes
Structure
Master

About this fund

Athyrium Opportunities Fund IV Master (non-Us) LP is a hedge fund managed by Athyrium Capital Management LP. The fund reports $1.3 billion in gross assets, placing it among the top 6% of private funds by size. 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 ID805-4002359845
Fund typeHedge Fund
3(c)(1) exclusionNo
3(c)(7) exclusionYes
Master fundYes
Feeder fundNo
Fund of fundsNo
Relies on exemption from registrationYes
Annual auditYes
Prepared per GAAPYes
Sub-advisedNo
% of assets independently valued0%

Other funds from this manager

FundTypeGross assets
Athyrium Opportunities Fund III Master (non-Us) LPHedge$496.5M
Athyrium Opportunities Fund IV LPHedge$216.5M
Athyrium Opportunities Fund III LPHedge$197.8M
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Frequently asked questions

How large is Athyrium Opportunities Fund IV Master (non-Us) LP?

Athyrium Opportunities Fund IV Master (non-Us) LP reports $1.3 billion in gross assets, among the top 6% of private funds by size.

Who manages Athyrium Opportunities Fund IV Master (non-Us) LP?

Athyrium Opportunities Fund IV Master (non-Us) LP is managed by Athyrium Capital Management LP.

Does Athyrium Opportunities Fund IV Master (non-Us) LP disclose returns?

No. Private funds are not required to publicly disclose performance. Form ADV reports assets, structure, and service providers.

Manager

Service providers

Prime broker
None reported
Custodian
Administrator
Auditor

Reported gross assets

$1.27BNo change
Mar '25 — $1.27BApr '25 — $1.27BMay '25 — $1.27BJun '25 — $1.27BJul '25 — $1.27BAug '25 — $1.27BSep '25 — $1.27BOct '25 — $1.27BNov '25 — $1.27BDec '25 — $1.27BJan '26 — $1.27BFeb '26 — $1.27BMar '26 — $1.27BApr '26 — $1.27BMay '26 — $1.27BJun '26 — $1.27B
Mar '25Form ADV, monthlyJun '26

How this fund compares

Gross assetsTop 6%
Larger than 94% of 67,041 private funds
Gross assets vs Hedge FundsTop 13%
Larger than 87% of 12,442 hedge funds

Investor base

Adviser & related persons6%
Funds of funds8%
Non-U.S. persons86%
Share of the fund's beneficial ownership reported on Form ADV. Categories can overlap.