Firm profile

ATLAS HOLDINGS LLC

GREENWICH, CTCRD 160610Latest ADV March 25, 2026

Atlas Holdings LLC is an SEC registered investment adviser organized as a limited liability company with a primary office location in Greenwich, CT. Its latest Form ADV filing, dated March 25, 2026, reports $18.1B in regulatory assets under management, 87 employees, 1 office, and 17 accounts.

Assets Under Management
$18.1B
Employees
87
Offices
1 office
Total Clients
17
Primary office
GREENWICH, CT
100 NORTHFIELD STREET, GREENWICH, CT, United States
ADV Item 1F location record

Contact and digital presence

ADV profile links

Leadership

2 roles identified
CCOMichael P. O'donnell
CFOAnastasios N. Papadoakos

Advisory services offered

1 types reported
Portfolio management for pooled investment vehicles

Fee models offered

2 types reported
Asset based fees
Other fee arrangements
Sources checked May 16, 2026

Client Coverage Demographics

Top client segmentPooled Investment Vehicles represent 100.0% of total clients.
Top client categories% of clientsClients
1
Pooled Investment Vehicles
100.0%
17

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$18.1Bas of March 25, 2026
Discretionary100.0%
$18.1B
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$18.1B
Total Accounts17
10Y AUM Change+$16.6B (+1075.8%)

Employee Growth by Quarter

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

Total Employees87
Clients per Employee0:1
10Y Employee Change+59 (+210.7%)

* 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.