One Oak Capital Management, Llc
- Regulatory AUM
- $419M
- Discretionary
- $419M
- Clients
- 384
- Avg AUM / client
- $1.1M
- Accounts
- 384
- Employees
- 14
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Mar 31, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 320 | $89.2M | 21.3% |
| High net worth individuals | 55 | $150M | 35.8% |
| Pooled investment vehicles (non-investment companies) | 6 | $173M | 41.3% |
| Pension and profit sharing plans | 1 | $864K | 0.21% |
| State or municipal government entities | 2 | $6.1M | 1.46% |
Private funds (8)
Reported in Form ADV Section 7.B.(1), filing of Apr 2024 · $200M combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| One Oak Multi Strategy Master Fund, Ltd master | Hedge Fund | British Virgin Islands | $65.6M | 11 |
| One Oak Multi Strategy Fund, Llc feeder | Hedge Fund | Delaware | $42.0M | 9 |
| One Oak Alpha Opportunities Fund, Lp master | Hedge Fund | New York | $39.5M | 62 |
| One Oak Multi Strategy Offshore Fund, Ltd feeder | Hedge Fund | British Virgin Islands | $23.6M | 2 |
| One Oak Alpha Opportunities Offshore Fund, Ltd feeder | Hedge Fund | Cayman Islands | $15.4M | 21 |
| Aca Master Select Fund, Lp master | Hedge Fund | Delaware | $8.1M | 76 |
| Aca Cayman Master Fund, Spc master | Hedge Fund | Cayman Islands | $5.1M | 34 |
| One Oak Global Opportunities Fund, Ltd | Hedge Fund | Cayman Islands | $1.2M | 3 |
People (5)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Ditursi, Stephen, V | Managing Partner | Feb 2013 (14y) | ≈ 37.5% – 75% via One Oak Capital Partners, Llc | |
| James Neil Crabb | Senior Portfolio Manager | Dec 2018 (8y) | Less than 5% | |
| Costantini, Joanne | Cco | Apr 2019 (7y) | Less than 5% | |
| Laraine Fleisher Villapiano | Registered representative | May 2021 (5y) | ||
| Gary John Reetz | Registered representative | Oct 2021 (5y) |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| One Oak Capital Partners, Llc | Owner | Jan 2022 | A | 75% or more |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Ditursi, Stephen, V: 50% – 75% of One Oak Capital Partners, Llc × 75% – 100% direct ≈ 37.5% – 75% of the firm
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Private funds (8, $200M gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| One Oak Multi Strategy Master Fund, Ltd | Hedge Fund | $65.6M | $500K | 11 |
| One Oak Multi Strategy Fund, Llc | Hedge Fund | $42.0M | $500K | 9 |
| One Oak Alpha Opportunities Fund, Lp | Hedge Fund | $39.5M | $500K | 62 |
| One Oak Multi Strategy Offshore Fund, Ltd | Hedge Fund | $23.6M | $500K | 2 |
| One Oak Alpha Opportunities Offshore Fund, Ltd | Hedge Fund | $15.4M | $500K | 21 |
| Aca Master Select Fund, Lp | Hedge Fund | $8.1M | $500K | 76 |
| Aca Cayman Master Fund, Spc | Hedge Fund | $5.1M | $500K | 34 |
| One Oak Global Opportunities Fund, Ltd | Hedge Fund | $1.2M | $500K | 3 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/31/2026 | 1.9 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
This firm answered "yes" to a disciplinary item on its latest filing. Detailed disclosure pages for this filing have not been imported yet — see the source filing below.
How they charge
- • Percentage of assets under management
- • Performance-based fees
Services
- • Portfolio management for individuals/small businesses
- • Portfolio management for pooled investment vehicles
- • Portfolio management for businesses/institutional clients
- • Selection of other advisers
Custody
Firm reports having custody of client funds or securities (Item 9.A).
No custodian data reported or mined yet.
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 31, 2026.
View current Form ADV (SEC/IAPD) ↗