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Sunstone Partners Management, LLC

● SEC registered since 2019CRD 305064SEC# 801-117367San Mateo, CA
Export (members)
Ranks #2,450 of 6,004 private fund managers by regulatory AUM.
Reg. AUM
$1.59B
Fund GAV
$1.15B
Private funds
8
Employees
39
Accounts
8
Location
San Mateo, CA

Sunstone Partners Management, LLC assets under management

Sunstone Partners Management, LLC is an SEC-registered investment adviser based in San Mateo, CA. The firm has been registered since 2019. It reports $1.6 billion in regulatory assets under management and employs 39 people. Sunstone Partners Management, LLC manages 8 private funds with combined gross assets of $1.1 billion, including Sunstone Partners II, LP. By regulatory assets, it ranks 2,450 of 6,004 private fund managers.

Sunstone Partners Management, LLC private funds

8 funds · $1.15B GAV
FundTypeGross assetsMin.
Sunstone Partners II, LPPrivate Equity$360.5M$10M
Sunstone Partners Iii-Main, LPPrivate Equity$311.2M$10M
Sunstone Partners I, LPPrivate Equity$221.8M$100K
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Sunstone Partners Management, LLC owners & executives

10 reported
NameTitleOwnershipSince
Arneek Arun Multani ControlCo-Founder And Managing PartnerUnder 5%2015
Gustavo M Alberelli ControlCo-Founder And Managing PartnerUnder 5%2015
Howard Sheldon Zeprun ControlGeneral Counsel And Chief Compliance OfficerUnder 5%2015
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Frequently asked questions

How much does Sunstone Partners Management, LLC manage?

Sunstone Partners Management, LLC reports $1.6 billion in regulatory assets under management on its Form ADV.

How many private funds does Sunstone Partners Management, LLC manage?

Sunstone Partners Management, LLC manages 8 private funds with combined gross assets of $1.1 billion.

How many employees does Sunstone Partners Management, LLC have?

Sunstone Partners Management, LLC reports 39 employees.

Where is Sunstone Partners Management, LLC located?

Sunstone Partners Management, LLC is based in San Mateo, CA and has been SEC-registered since 2019.

Does Sunstone Partners Management, LLC disclose fund performance?

Sunstone Partners Management, LLC is not required to publicly disclose fund returns. Form ADV filings include assets, ownership, and service providers, shown above.

Contact & registration

Address400 S. el Camino Real, Suite 1500, San Mateo, CA 94402
Phone1-650-289-4400
Office hours8a.m.-5p.m.
SEC regionSan Francisco Regional Office (SFRO)
CIK1654360
Discloses disciplinary historyNo

Regulatory AUM

$1.59B▼ 20%
Mar '25 — $1.99BApr '25 — $1.99BMay '25 — $1.99BJun '25 — $1.99BJul '25 — $1.99BAug '25 — $1.99BSep '25 — $1.99BOct '25 — $1.99BNov '25 — $1.99BDec '25 — $1.99BJan '26 — $1.99BFeb '26 — $1.99BMar '26 — $1.59BApr '26 — $1.59BMay '26 — $1.59BJun '26 — $1.59B
Mar '25Form ADV, monthlyJun '26

How this firm compares

Regulatory AUMTop 25%
Larger than 75% of 16,271 advisers
AUM vs fund managersTop 41%
Larger than 59% of 6,004 private-fund managers
Number of fundsTop 30%
More funds than 70% of fund managers
EmployeesTop 14%
More than 86% of 16,825 advisers

Assets under management

$1.59Bregulatory AUM
Discretionary $1.59B

Service providers