# ONE OAK CAPITAL MANAGEMENT, LLC

ONE OAK CAPITAL MANAGEMENT, LLC of PURCHASE, NY is an SEC-registered investment adviser. This firm reports disciplinary history on Form ADV.

## Registration

- CRD: 170339
- Type: SEC-registered investment adviser
- SEC file number: 801-114497
- Location: 287 BOWMAN AVE., PURCHASE, NY, 10577
- Phone: 914-205-5821
- Latest filing: 2026-03-31
- Regulatory AUM: $418.5M
- Discretionary AUM: $418.5M
- Clients: 14
- Accounts: 384

## Business model

- Compensation: % of AUM, Performance
- Clients served: High net worth, Pooled vehicles, Charities, Investment cos

## Officers, owners & control persons (9)

| Name | Role | Location |
| --- | --- | --- |
| Stephen V Ditursi | MANAGING MEMBER; MANAGING PARTNER | — |
| Joanne Costantini | CCO | — |
| James Neil Crabb | SENIOR PORTFOLIO MANAGER | — |
| COSTANTINI JOANNE | CCO | — |
| DITURSI STEPHEN V | MANAGING MEMBER; MANAGING PARTNER; MANAGING PARTNER AND CCO (+1 more) | — |
| SCELLATO JOSEPH PAUL | MANAGING PARTNER | — |
| SHAFFER JOHN | OWNER | — |
| PERRETTI VICTOR | OWNER | — |
| CRABB JAMES NEIL | SENIOR PORTFOLIO MANAGER | — |


## Disclosures (4)

| Initiated | Type | Allegations | Status | Amount |
| --- | --- | --- | --- | --- |
| 2025-02-14 | regulatory | CONVERTED BROKERAGE ACCOUNTS TO ADVISORY ACCOUNTS WITHOUT DISCLOSING IN ADVANCE THAT THE CONVERSIONS FROM BROKERAGE ACCOUNTS TO ADVISORY ACCOUNTS RESULTED IN SIGNIFICANTLY HIGHER FEES FOR CLIENTS, AND INCREASED COMPENSATION FOR DEROSA, NOR DISCLOSED THE RESULTING CONFLICT OF INTEREST. | Final | $150K |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/170339/brochure
- Similar advisers: https://search.stillhousedata.com/firm/170339/similar
- Related entities: https://search.stillhousedata.com/firm/170339/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/170339

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Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.