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Ah Bio Fund IV, L.P.

Venture Capital FundFund ID 805-1792740221Delaware, United States
Gross assets
$2.12B
Min. investment
Beneficial owners
150
Size rank
Top 3%
Audited
Yes
Structure
Standalone

About this fund

Ah Bio Fund IV, L.P. is a venture capital fund managed by A16z Capital Management, L.L.C.. The fund reports $2.1 billion in gross assets, placing it among the top 3% 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 ID805-1792740221
Fund typeVenture Capital Fund
3(c)(1) exclusionNo
3(c)(7) exclusionYes
Master fundNo
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
Andreessen Horowitz Fund III, L.P.Venture Capital$9.31B
Andreessen Horowitz Lsv Fund III, L.P.Venture Capital$8.96B
Andreessen Horowitz Fund VIII, L.P.Venture Capital$7.51B
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Frequently asked questions

How large is Ah Bio Fund IV, L.P.?

Ah Bio Fund IV, L.P. reports $2.1 billion in gross assets, among the top 3% of private funds by size.

Who manages Ah Bio Fund IV, L.P.?

Ah Bio Fund IV, L.P. is managed by A16z Capital Management, L.L.C.

Does Ah Bio Fund IV, L.P. 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
Auditor

Reported gross assets

$2.12B▲ 33%
Mar '25 — $1.6BApr '25 — $1.6BMay '25 — $1.6BJun '25 — $1.6BJul '25 — $1.6BAug '25 — $1.6BSep '25 — $1.6BOct '25 — $1.6BNov '25 — $1.6BDec '25 — $1.6BJan '26 — $1.6BFeb '26 — $1.6BMar '26 — $2.12BApr '26 — $2.12BMay '26 — $2.12BJun '26 — $2.12B
Mar '25Form ADV, monthlyJun '26

How this fund compares

Gross assetsTop 3%
Larger than 97% of 67,041 private funds
Gross assets vs Venture Capital FundsTop 1%
Larger than 99% of 5,217 venture capital funds

Investor base

Adviser & related persons1%
Funds of funds43%
Non-U.S. persons21%
Share of the fund's beneficial ownership reported on Form ADV. Categories can overlap.