STAMFORD, CTCRD 144594Latest ADV December 16, 2025
O'Shaughnessy Asset Management, LLC is an SEC registered investment adviser organized as a limited liability company with a primary office location in Stamford, CT. Its latest Form ADV filing, dated December 16, 2025, reports $19.8B in regulatory assets under management, 103 employees, and 11,156 accounts.
Assets Under Management
$19.8B
Employees
103
Offices
--
Total Clients
11,156
Primary office
STAMFORD, CT
100 FIRST STAMFORD PLACE, STAMFORD, CT, United States
Portfolio management for individuals and small businesses
Portfolio management for investment companies
Fee models offered
3 types reported
Asset based fees
Other fee arrangements
Performance-based fees
Sources checked May 13, 2026
Client Coverage Demographics
Top client segmentHNWI represent 96.2% of total clients.
Top client categories% of clientsClients
1
HNWI
96.2%
10,734
2
Corporations
3.1%
344
3
Charitable
0.4%
40
4
Pension Plans
0.2%
18
5
Government
0.1%
9
Additional categories (<0.1%)
Sovereign Wealth<5 clients
Investment Cos.<5 clients
Categories with <5 clients
Banking or thrift institutions<5 clients
Individuals (other than high net worth individuals)<5 clients
Other categories<5 clients
Regulatory Assets Under Management Breakdown
Total regulatory assets under management$19.8Bas of December 16, 2025
Discretionary100.0%
$19.8B
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.
Latest AUM$19.8B
Total Accounts11,156
10Y AUM Change+$14.4B (+269.5%)
Employee Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total Employees103
Clients per Employee108:1
10Y Employee Change+63 (+157.5%)
* 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.