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Avidity Master Fund LP

Hedge FundFund ID 805-7779224364Cayman Islands
Gross assets
$554.3M
Min. investment
$5M
Beneficial owners
166
Size rank
Top 14%
Audited
Yes
Structure
Master

About this fund

Avidity Master Fund LP is a hedge fund managed by Avidity Partners Management LP. The fund reports $554.3 million in gross assets, placing it among the top 14% of private funds by size. The stated minimum investment is $5 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 ID805-7779224364
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 valued100%

Other funds from this manager

FundTypeGross assets
Avidity Private Master Fund I LPHedge$480.3M
Avidity Capital Fund II LPHedge$24.6M

Frequently asked questions

How large is Avidity Master Fund LP?

Avidity Master Fund LP reports $554.3 million in gross assets, among the top 14% of private funds by size.

What is the minimum investment for Avidity Master Fund LP?

The stated minimum investment is $5 million.

Who manages Avidity Master Fund LP?

Avidity Master Fund LP is managed by Avidity Partners Management LP.

Does Avidity Master Fund LP disclose returns?

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

Service providers

Prime broker
Administrator
Auditor

Reported gross assets

$554.3M▼ 79%
Mar '25 — $2.62BApr '25 — $2.62BMay '25 — $2.62BJun '25 — $2.62BJul '25 — $2.62BAug '25 — $2.62BSep '25 — $2.62BOct '25 — $2.62BNov '25 — $800.2MDec '25 — $800.2MJan '26 — $800.2MFeb '26 — $800.2MMar '26 — $554.3MApr '26 — $554.3MMay '26 — $554.3MJun '26 — $554.3M
Mar '25Form ADV, monthlyJun '26

How this fund compares

Gross assetsTop 14%
Larger than 86% of 67,041 private funds
Gross assets vs Hedge FundsTop 24%
Larger than 76% of 12,442 hedge funds
Minimum investmentTop 17%
Higher than 83% of funds reporting a minimum

Investor base

Adviser & related persons5%
Funds of funds24%
Non-U.S. persons46%
Share of the fund's beneficial ownership reported on Form ADV. Categories can overlap.