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Sunstone Asset Management
Filed as SUNSTONE ASSET MANAGEMENT · Legal name Sunstone Asset Management, LP
Sunstone Asset Management is an SEC-registered investment advisory firm in New York, NY, registered since 2025, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated March 23, 2026.
Quick answers
From the filingHow is Sunstone Asset Management compensated?
On its Form ADV (Item 5.E, October 2026), Sunstone Asset Management reports these compensation arrangements: a percentage of assets under its management; performance-based fees.
What does Sunstone Asset Management's brochure say about its fees?
Its Form ADV Part 2A brochure dated March 23, 2026 states: Asset-based fee: 1.25% to 1.5% a year (a range, as the brochure states it). Fees can differ by service and may be negotiable; the brochure is the complete statement.
Where is Sunstone Asset Management located?
Sunstone Asset Management's principal office is in New York, NY, according to its Form ADV.
Is Sunstone Asset Management registered with the SEC or a state?
Sunstone Asset Management is an SEC-registered investment advisory firm, registered since 2025. Status as filed: Approved. CRD 328895.
How much does Sunstone Asset Management manage?
Sunstone Asset Management reports $220,211,153 in regulatory assets under management in its Form ADV filing dated March 23, 2026 (100% discretionary).
How have Sunstone Asset Management's assets and staff changed since 2024?
In the Form ADV data for Sunstone Asset Management: Regulatory assets under management: $181,226,950 in the October 2025 data and $220,211,153 in the October 2026 data, up 22%. Total employees: 4 in October 2025 and 4 in October 2026. Assets under management move with markets as well as with clients coming and going.
What types of clients does Sunstone Asset Management serve?
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (4).
Does Sunstone Asset Management report any disciplinary disclosures?
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/328895
What changed in Sunstone Asset Management's recent Form ADV filings?
In the April 2026 filing data: Regulatory assets under management went from $181,226,950 to $220,211,153 (+22%).
From the Form ADV filing
Every figure below is as the firm filed it with regulators, as of October 2026.
How the firm is compensated
Item 5.E- A percentage of assets under your management
- Performance-based fees
Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ
Fees and minimums
Form ADV Part 2AAsset-based fee: 1.25% to 1.5% a year (a range, as the brochure states it)
The brochure's wording
Each of the Funds pays the Adviser an asset-based investment management fee each quarter in advance ranging from 1.25% to 1.5% per annum based on the value of the net assets of the Fund
As stated in the firm's Form ADV Part 2A brochure dated March 23, 2026. Fees can differ by service and may be negotiable; the brochure is the complete statement. Read the brochure on the SEC's IAPD site
Regulatory assets under management
Item 5.F$220,211,153 as of October 2026, filing dated March 23, 2026.
A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means
Who the firm serves
Item 5.DA firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.
Advisory services
Item 5.G- Portfolio management for pooled investment vehicles (other than investment companies)
Registration and firm details
Items 1, 2, 5- Legal name
- Sunstone Asset Management, LP
- Registration
- SEC-registered investment adviser. Status as filed: Approved.
- Registered since
- 2025 (1 year)
- Employees
- Total: 4. Performing investment advisory functions: 3.
- Wrap fee program participation
- No.
- States registered or notice-filed
- Not reported.
SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration
Disclosures
Item 11None Reports no disclosure items on Form ADV Item 11. View on IAPD.
Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures
Assets and staff over time
Items 5.A, 5.F| Data period | Assets under management | Employees | Filing dated |
|---|---|---|---|
| October 2026 | $220,211,153 | 4 | March 23, 2026 |
| October 2025 | $181,226,950 | 4 | June 23, 2025 |
| October 2024 | Not reported | Not reported | August 12, 2024 |
Regulatory assets under management: $181,226,950 in the October 2025 data and $220,211,153 in the October 2026 data, up 22%.
Total employees: 4 in October 2025 and 4 in October 2026.
As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.
Changes in the filing
Last 12 months- April 2026
- Regulatory assets under management went from $181,226,950 to $220,211,153 (+22%).
Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.
Websites listed on Form ADV
Item 1.ISource: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."
Cite this page
AdvisorCensus. Sunstone Asset Management (CRD 328895): Form ADV filing data as of October 2026. https://advisorcensus.com/firm/sunstone-asset-management-new-york-ny-328895