Managers/Private equity/California/Sunstone Partners

Sunstone Partners

Sunstone Partners is a private equity manager in San Mateo, CA. It is registered with the SEC as an investment adviser with $1.6B in regulatory assets and 39 staff. It has 5 funds on file, the latest reported in October 2026.

Funds on file
5
Raised, all funds
None yet
Regulatory assets
$1.6B
Staff
39
Pension investors
1
See the adviser's own filing →

Latest fund filing

Funds

DateFundTypeRaisedTarget
Oct 2026 Sunstone Partners IV-A, LP Private equity $0 Not given
Oct 2026 Sunstone Partners IV, LP Private equity $0 Not given
Sep 2022 SUNSTONE PARTNERS EXECUTIVE FUND III, LP Private equity $0 Not given
Jul 2022 SUNSTONE PARTNERS III-A, LP Private equity $0 $900M
Jul 2022 SUNSTONE PARTNERS III-MAIN, LP Private equity $0 $900M

Adviser record

RegistrationRegistered with the SEC as an investment adviser.
Regulatory assets$1.6B
Employees39
Clients8 private funds.
Control personsGustavo, M Alberelli, Michael, Lawrence Biggee, Arneek, Arun Multani, Howard, Sheldon Zeprun.
Private funds8 private funds holding $1.3B in gross assets.

Private funds it reports

FundTypeGross assets
Sunstone Partners I Private equity $493.5M
Sunstone Partners II Private equity $488.4M
Sunstone Partners Ii-a Private equity $180.6M
Sunstone Partners Iii-main Private equity $66.3M
Sunstone Partners Iii-a Private equity $23.1M
Sunstone Partners Executive Fund II Private equity $9.4M
Sunstone Partners Co-invest I Private equity $5.4M
Sunstone Partners Executive Fund Iii Private equity $2.2M