# Derby Lane

> Derby Lane is an SEC-registered investment advisory firm in New York, NY, registered since 2025, reporting $500 million to $1 billion in regulatory assets under management in its Form ADV filing dated April 16, 2026.

- CRD: 334739
- Filed as: DERBY LANE
- Legal name: Derby Lane Partners LP
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: New York, NY
- Filing period: October 2026
- Form ADV filing dated: April 16, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/334739
- AdvisorCensus page: https://advisorcensus.com/firm/derby-lane-new-york-ny-334739

## Quick answers

**How is Derby Lane compensated?**
On its Form ADV (Item 5.E, October 2026), Derby Lane reports these compensation arrangements: a percentage of assets under its management; performance-based fees. The amounts are in Item 5 of its Form ADV Part 2A brochure.

**Where is Derby Lane located?**
Derby Lane's principal office is in New York, NY, according to its Form ADV.

**Is Derby Lane registered with the SEC or a state?**
Derby Lane is an SEC-registered investment advisory firm, registered since 2025. Status as filed: Approved. CRD 334739.

**How much does Derby Lane manage?**
Derby Lane reports $746,275,000 in regulatory assets under management in its Form ADV filing dated April 16, 2026 (73% discretionary).

**How have Derby Lane's assets and staff changed since 2025?**
In the Form ADV data for Derby Lane: Total employees: 3 in October 2025 and 12 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Derby Lane serve?**
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (3).

**Does Derby Lane 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/334739

**What changed in Derby Lane's recent Form ADV filings?**
In the April 2026 filing data: Regulatory assets under management went from $340,000,000 to $746,275,000 (+119%). Employees performing advisory functions went from 4 to 9.

## From the Form ADV filing

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

### Regulatory assets under management (Item 5.F)
- Total: $746,275,000
- Discretionary: $546,275,000
- Non-discretionary: $200,000,000

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Pooled investment vehicles (other than investment companies and business development companies) | 3 | $746,275,000 |

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

### Firm details
- Registered since: 2025 (1 year)
- Employees: 12 total, 9 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)
- [derbyln.com](https://derbyln.com)
- LinkedIn @derby-lane-partners

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2025 | Not reported | 3 | April 30, 2025 |
| October 2026 | $746,275,000 | 12 | April 16, 2026 |

Total employees: 3 in October 2025 and 12 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Regulatory assets under management went from $340,000,000 to $746,275,000 (+119%).
- Employees performing advisory functions went from 4 to 9.

### March 2026
- Updated its list of owners and control persons (Schedule A).

### December 2025
- Employees performing advisory functions went from 2 to 4.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Derby Lane (CRD 334739): Form ADV filing data as of October 2026.