Firm profile

ONE OAK CAPITAL MANAGEMENT, LLC

PURCHASE, NYCRD 170339Latest ADV March 31, 2026

One Oak Capital Management, LLC is an SEC registered investment adviser organized as a limited liability company with a primary office location in Purchase, NY. Its latest Form ADV filing, dated March 31, 2026, reports $419M in regulatory assets under management, 14 employees, and 384 accounts.

Assets Under Management
$419M
Employees
14
Offices
--
Total Clients
384
Primary office
PURCHASE, NY
287 BOWMAN AVE., PURCHASE, NY, United States
ADV Item 1F location record

Contact and digital presence

ADV profile links

Leadership

1 roles identified
CCOJoanne Costantini

Advisory services offered

4 types reported
Portfolio management for businesses
Portfolio management for individuals and small businesses
Portfolio management for pooled investment vehicles

Fee models offered

2 types reported
Asset based fees
Performance-based fees
Sources checked May 16, 2026

Client Coverage Demographics

Top client segmentIndividuals represent 83.3% of total clients.
Top client categories% of clientsClients
1
Individuals
83.3%
320
2
HNWI
14.3%
55
3
Pooled Investment Vehicles
1.6%
6
4
Government
0.5%
2
5
Pension Plans
0.3%
1
Categories with <5 clients
Pension and profit sharing plans<5 clients
State or municipal government entities (including govt. pension plans)<5 clients

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$419Mas of March 31, 2026
Discretionary100.0%
$419M
100% of total RAUM100.0%
Non-discretionary0.0%
$0
0% of total RAUM0.0%
All regulatory assets under management are discretionary.

Assets under management Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total AUM$419M
Total Accounts384
10Y AUM Change+$393M (+1544.5%)

Employee Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total Employees14
Clients per Employee27:1
10Y Employee Change+9 (+180.0%)

* Metrics are based on the latest available data, including Form ADV filings, brochures, and relationship summaries pulled from the SEC IAPD, and may be subject to change. Learn what is included in the Rialytix data. Please refer to the firm's official disclosures for the most accurate information using their CRD number. This is not investment advice.