Firm profile

OSTERWEIS CAPITAL MANAGEMENT

SAN FRANCISCO, CACRD 105421Latest ADV March 31, 2026

Osterweis Capital Management is an SEC registered investment adviser organized as a corporation with a primary office location in San Francisco, CA. Its latest Form ADV filing, dated March 31, 2026, reports $439M in regulatory assets under management, 66 employees, and 35 accounts.

Assets Under Management
$439M
Employees
66
Offices
--
Total Clients
34
Primary office
SAN FRANCISCO, CA
ONE MARITIME PLAZA, STE 800, SAN FRANCISCO, CA, United States
ADV Item 1F location record

Contact and digital presence

ADV profile links

Leadership

3 roles identified
CEOCarl P. Kaufman
CEOCatherine Halberstadt
CCOJohn F. Tavernetti

Advisory services offered

4 types reported
Financial Planning Services
Portfolio management for businesses
Portfolio management for individuals and small businesses

Fee models offered

2 types reported
Asset based fees
Fixed fees
Sources checked May 13, 2026

Client Coverage Demographics

Top client segmentHNWI represent 97.1% of total clients.
Top client categories% of clientsClients
1
HNWI
97.1%
33
2
Investment Cos.
2.9%
1
Categories with <5 clients
State or municipal government entities (including govt. pension plans)<5 clients

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$439Mas of March 31, 2026
Discretionary99.9%
$439M
100% of total RAUM99.9%
Non-discretionary0.1%
$588K
0% of total RAUM0.1%
Regulatory assets under management are split between discretionary and non-discretionary assets.

Assets under management Growth by Quarter

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

Latest AUM$439M
Total Accounts35
10Y AUM Change$-284M (-39.3%)

Employee Growth by Quarter

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

Total Employees66
Clients per Employee1:1
10Y Employee Change+9 (+15.8%)

* 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.