# Sunstone Asset Management

> 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.

- CRD: 328895
- Filed as: SUNSTONE ASSET MANAGEMENT
- Legal name: Sunstone Asset Management, LP
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: New York, NY
- Filing period: October 2026
- Form ADV filing dated: March 23, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/328895
- AdvisorCensus page: https://advisorcensus.com/firm/sunstone-asset-management-new-york-ny-328895

## Quick answers

**How 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

### Compensation (Item 5.E)
- A percentage of assets under your management
- Performance-based fees

### Fees and minimums (Form ADV Part 2A brochure dated March 23, 2026)

- Asset-based fee: 1.25% to 1.5% a year (a range, as the brochure states it)

> 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 brochure. Fees can differ by service and may be negotiable.

### Regulatory assets under management (Item 5.F)
- Total: $220,211,153
- Discretionary: $220,211,153
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | 0 | Not reported |
| High net worth individuals | 0 | Not reported |
| Banking or thrift institutions | 0 | Not reported |
| Investment companies | 0 | Not reported |
| Business development companies | 0 | Not reported |
| Pooled investment vehicles (other than investment companies and business development companies) | 4 | $220,211,153 |
| Pension and profit sharing plans (but not the plan participants or government pension plans) | 0 | Not reported |
| Charitable organizations | 0 | Not reported |
| State or municipal government entities (including government pension plans) | 0 | Not reported |
| Other investment advisers | 0 | Not reported |
| Insurance companies | 0 | Not reported |
| Sovereign wealth funds and foreign official institutions | 0 | Not reported |
| Corporations or other businesses not listed above | 0 | Not reported |
| Other | 0 | Not reported |

### Advisory services (Item 5.G)
- Portfolio management for pooled investment vehicles (other than investment companies)

### Firm details
- Registered since: 2025 (1 year)
- Employees: 4 total, 3 performing advisory functions
- Wrap fee program participation: No
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Websites listed on Form ADV (Item 1.I)
- sunstoneam.com

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2024 | Not reported | Not reported | August 12, 2024 |
| October 2025 | $181,226,950 | 4 | June 23, 2025 |
| October 2026 | $220,211,153 | 4 | March 23, 2026 |

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.

## Changes in the filing (last 12 months)

### April 2026
- Regulatory assets under management went from $181,226,950 to $220,211,153 (+22%).

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Sunstone Asset Management (CRD 328895): Form ADV filing data as of October 2026.