# OSTERWEIS CAPITAL MANAGEMENT INC

OSTERWEIS CAPITAL MANAGEMENT INC of SAN FRANCISCO, CA is an SEC-registered investment adviser.

## Registration

- CRD: 105421
- Type: SEC-registered investment adviser
- SEC file number: 801-18395
- Location: ONE MARITIME PLAZA, STE 800, SAN FRANCISCO, CA, 94111
- Phone: 415-434-4441
- Latest filing: 2026-03-31
- Regulatory AUM: $439.4M
- Discretionary AUM: $438.8M
- Non-discretionary AUM: $588K
- Clients: 66
- Accounts: 35

## Business model

- Compensation: % of AUM, Fixed
- Clients served: Individuals, High net worth, Pooled vehicles

## Officers, owners & control persons (46)

_Showing 25 of 46 people._

| Name | Role | Location |
| --- | --- | --- |
| Catherine Halberstadt | CO-CEO AND CO-PRESIDENT; SHAREHOLDER | 92800 Puteaux, I0 |
| John Steven Osterweis | CHAIRMAN; TRUSTEE, OSTERWEIS REVOCABLE TRUST | — |
| John Foxon Tavernetti | CHIEF COMPLIANCE OFFICER | — |
| Gregory Scott Hermanski | TRUSTEE, HERMANSKI FAMILY TRUST | — |
| Carl Philip Kaufman | CO-CEO AND CO-PRESIDENT; TRUSTEE, CARL KAUFMAN & MARTHA ANGOVE REVOCABLE TRUST | — |
| Martha Elizabeth Angove | TRUSTEE, CARL KAUFMAN & MARTHA ANGOVE REVOCABLE TRUST | — |
| Rebecca Dawn Hermanski | TRUSTEE, HERMANSKI FAMILY TRUST | — |
| Sarah Chang | TRUSTEE, EUBANKS/CHANG FAMILY TRUST | — |
| Shawn Michael Eubanks | TRUSTEE, EUBANKS/CHANG FAMILY TRUST | — |
| Bradley Morgan Kane | TRUSTEE, KANE FAMILY TRUST DTD 6/27/2005 | — |
| Rachel Zenner Kane | TRUSTEE, KANE FAMILY TRUST DTD 6/27/2005 | — |
| John Scott Coleman | DIRECTOR | — |
| John Stephen Maclellan | DIRECTOR | — |
| Craig Leonard Manchuck | SHAREHOLDER | — |
| FRIEDMAN GLEN MICHAEL | DIRECTOR | — |
| COLEMAN RODNEY SCOTT | DIRECTOR | — |
| LEE JACK C | TRUSTEE, LEE FAMILY TRUST | — |
| DUNEGAN DORETTA LOUISE | CHIEF COMPLIANCE OFFICER; DIRECTOR OF COMPLIANCE | — |
| MACLELLAN JOHN STEPHEN | DIRECTOR | — |
| OSTERWEIS JOHN STEVEN | CHAIRMAN; CHAIRMAN AND CHIEF INVESTMENT OFFICER; CHAIRMAN, PRESIDENT AND CHIEF EXECUTIVE OFFICER (+3 more) | — |
| HELLMAN FREDERICK WARREN | CO-TRUSTEE, ADMININSTRATIVE TRUST UNDER THE HELLMAN FAMILY REVOCABLE; CO-TRUSTEE, PATRICIA CHRISTINA HELLMAN SURVIVOR'S TRUST, DATED DECEMBER 18, 2011; DIRECTOR (+1 more) | — |
| HELLMAN PATRICIA C | TRUSTEE, HELLMAN REVOCABLE TRUST | — |
| NICHTER PAMELA SUE | CHIEF OPERATING OFFICER & CHIEF FINANCIAL OFFICER; CO- CHIEF OPERATING OFFICER & CO-CHIEF FINANCIAL OFFICER; VP/CFO/COO (+2 more) | — |
| TAVERNETTI JOHN FOXON | CCO; CHIEF COMPLIANCE OFFICER | — |
| BERLER MATTHEW KIP | PRESIDENT AND CEO; PRESIDENT AND CHIEF EXECUTIVE OFFICER; TRUSTEE, BERLER FAMILY TRUST (+1 more) | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/105421/brochure
- Similar advisers: https://search.stillhousedata.com/firm/105421/similar
- Related entities: https://search.stillhousedata.com/firm/105421/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/105421

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Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.