Firm profile

S & CO., INC.

BOSTON, MACRD 110026Latest ADV March 31, 2026

S & Co., Inc. is an SEC registered investment adviser organized as a corporation with a primary office location in Boston, MA. Its latest Form ADV filing, dated March 31, 2026, reports $2.5B in regulatory assets under management, 15 employees, and 383 accounts.

Assets Under Management
$2.5B
Employees
15
Offices
--
Total Clients
383
Primary office
BOSTON, MA
50 CONGRESS STREET, ROOM 800, BOSTON, MA, United States
ADV Item 1F location record

Contact and digital presence

ADV profile links

Leadership

7 roles identified
CEOBrian F. Mccarthy
CEOGeorge N. Jeppson
CEOJeffrey L. Thompson

Advisory services offered

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

Fee models offered

1 types reported
Asset based fees
Source verified May 13, 2026

Client Coverage Demographics

Top client segmentHNWI represent 78.9% of total clients.
Top client categories% of clientsClients
1
HNWI
78.9%
302
2
Individuals
15.1%
58
3
Charitable
4.4%
17
4
Pooled Investment Vehicles
1.6%
6

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$2.5Bas of March 31, 2026
Discretionary100.0%
$2.5B
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$2.5B
Total Accounts383
10Y AUM Change+$1.1B (+80.0%)

Employee Growth by Quarter

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

Total Employees15
Clients per Employee26:1
10Y Employee Change0 (0.0%)

* 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.