Firm profile

Osterweis Capital Management

SAN FRANCISCO, CACRD 109580Registration Status: ApprovedEffective since May 2, 1997SEC # 801-54360Latest ADV March 31, 2026

Osterweis Capital Management is an SEC registered investment adviser organized as a limited liability company with a primary office location in San Francisco, CA. Its latest Form ADV filing, dated March 31, 2026, reports $7.5B in regulatory assets under management, 666 employees, 1 office, and 362 accounts.

Assets Under Management
$7.5B
Employees
666
Offices
1 office
Total Clients
358

Associated firm names

2 names listed
  • OSTERWEIS CAPITAL MANAGEMENT
  • OSTERWEIS CAPITAL MANAGEMENT LLC

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

Offices & Contact

Primary office

SAN FRANCISCO, California, United States

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Primary office regionOther reported regions

Shading shows states and countries with reported offices. Cities are listed below; shading does not indicate service coverage.

California

SAN FRANCISCOPrimary office

1 office records listed · 1 total offices reported. Counts can use different reporting dates. SEC filers may list only their largest 25 additional offices.

Contact and digital presence

ADV profile links

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$7.5Bas of March 31, 2026
Discretionary99.5%
$7.5B
100% of total RAUM99.5%
Non-discretionary0.5%
$34M
0% of total RAUM0.5%
Regulatory assets under management are split between discretionary and non-discretionary assets.

Client Coverage Demographics

Top client segmentHNWI represent 96.1% of total clients.
Top client categories% of clientsClients
1
HNWI
96.1%
344
2
Charitable
2.2%
8
3
Investment Cos.
1.1%
4
4
Individuals
0.6%
2
Categories with <5 clients
Corporations or other businesses not listed above<5 clients

Assets under management Growth by Quarter

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

Total AUM$7.5B
Total Accounts362
10Y AUM Change+$1.5B (+24.3%)

Private Funds

Private funds reported by Osterweis Capital Management

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Employee Growth by Quarter

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

Total Employees666
Clients per Employee1:1
10Y Employee Change+609 (+1068.4%)

Historical AUM and employee figures reflect available SEC Form ADV filings under this CRD. Filing gaps may reflect registration status changes, dormant periods, state registration periods, firm restructuring, or other reporting changes. Rialytix does not interpolate missing periods.


Ownership

Reported direct and indirect ownership ranges

Each range applies to a separate reported relationship and should not be added together.

Reported ownership ranges

Highlighted bands show the percentage range reported in Form ADV.

0%25%50%75%100%
OSTERWEIS REVOCABLE TRUST, U/A/DATED 09/13/1993Direct owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
10% to < 25%
CARL KAUFMAN & MARTHA ANGOVE REVOCABLE TRUSTDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
10% to < 25%
HERMANSKI FAMILY TRUSTDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
5% to < 10%
EUBANKS/CHANG FAMILY TRUSTDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
5% to < 10%
OCM UNIT HOLDINGS, LLCDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
5% to < 10%
KANE FAMILY TRUST DTD 6/27/2005Direct owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
5% to < 10%
CATHERINE HALBERSTADTDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
5% to < 10%
CRAIG LEONARD MANCHUCKDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
5% to < 10%
JOHN STEVEN OSTERWEISDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
< 5%
GREGORY SCOTT HERMANSKIDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
< 5%
CARL PHILIP KAUFMANDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
< 5%
MARTHA ELIZABETH ANGOVEDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
< 5%
REBECCA DAWN HERMANSKIDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
< 5%
SARAH CHANGDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
< 5%
SHAWN MICHAEL EUBANKSDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
< 5%
BRADLEY MORGAN KANEDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
< 5%
RACHEL ZENNER KANEDirect owner · Schedule AInterest in OSTERWEIS CAPITAL MANAGEMENT
< 5%

Bars represent the reported range at that individual ownership step, not an estimated percentage of the advisory firm. Indirect relationships may refer to intermediate entities rather than directly to Osterweis Capital Management.

No indirect ownership information reported in the source’s Schedule B.

Reported ownership and control details

Form ADV · Filing date 2026-03-31 · Schedules A and B

23 entries
#Owner / person & roleInterest in entityReported interestControl personTitle / status acquiredSource
1JOHN STEVEN OSTERWEISCHAIRMANIndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NAYesCHAIRMAN05/2016Schedule APDF page 21
2OSTERWEIS REVOCABLE TRUST, U/A/DATED 09/13/1993MEMBERDomestic entityOSTERWEIS CAPITAL MANAGEMENT10% to less than 25%Code BNoMEMBER03/1997Schedule APDF page 21
3JOHN STEVEN OSTERWEISTRUSTEE, OSTERWEIS REVOCABLE TRUSTIndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NAYesTRUSTEE, OSTERWEIS REVOCABLE TRUST03/1997Schedule APDF page 21
4JOHN FOXON TAVERNETTICHIEF COMPLIANCE OFFICERIndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NAYesCHIEF COMPLIANCE OFFICER01/2005Schedule APDF page 21
5GREGORY SCOTT HERMANSKITRUSTEE, HERMANSKI FAMILY TRUSTIndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NANoTRUSTEE, HERMANSKI FAMILY TRUST01/2004Schedule APDF page 21
6CARL KAUFMAN & MARTHA ANGOVE REVOCABLE TRUSTMEMBERDomestic entityOSTERWEIS CAPITAL MANAGEMENT10% to less than 25%Code BNoMEMBER01/2004Schedule APDF page 21
7CARL PHILIP KAUFMANTRUSTEE, CARL KAUFMAN & MARTHA ANGOVE REVOCABLE TRUSTIndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NANoTRUSTEE, CARL KAUFMAN & MARTHA ANGOVE REVOCABLE TRUST01/2004Schedule APDF page 21
8MARTHA ELIZABETH ANGOVETRUSTEE, CARL KAUFMAN & MARTHA ANGOVE REVOCABLE TRUSTIndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NANoTRUSTEE, CARL KAUFMAN & MARTHA ANGOVE REVOCABLE TRUST01/2004Schedule APDF page 21
9CATHERINE HALBERSTADTCO-CEO AND CO-PRESIDENTIndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NAYesCO-CEO AND CO-PRESIDENT06/2017Schedule APDF page 21
10HERMANSKI FAMILY TRUSTMEMBERDomestic entityOSTERWEIS CAPITAL MANAGEMENT5% to less than 10%Code ANoMEMBER01/2004Schedule APDF page 21
11REBECCA DAWN HERMANSKITRUSTEE, HERMANSKI FAMILY TRUSTIndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NANoTRUSTEE, HERMANSKI FAMILY TRUST01/2004Schedule APDF page 21
12SARAH CHANGTRUSTEE, EUBANKS/CHANG FAMILY TRUSTIndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NANoTRUSTEE, EUBANKS/CHANG FAMILY TRUST01/2017Schedule APDF page 21
13SHAWN MICHAEL EUBANKSTRUSTEE, EUBANKS/CHANG FAMILY TRUSTIndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NANoTRUSTEE, EUBANKS/CHANG FAMILY TRUST01/2017Schedule APDF page 21
14EUBANKS/CHANG FAMILY TRUSTMEMBERDomestic entityOSTERWEIS CAPITAL MANAGEMENT5% to less than 10%Code ANoMEMBER01/2017Schedule APDF page 21
15OCM UNIT HOLDINGS, LLCMEMBERDomestic entityOSTERWEIS CAPITAL MANAGEMENT5% to less than 10%Code ANoMEMBER01/2017Schedule APDF page 21
16CARL PHILIP KAUFMANCO-CEO AND CO-PRESIDENTIndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NAYesCO-CEO AND CO-PRESIDENT06/2017Schedule APDF page 21
17BRADLEY MORGAN KANETRUSTEE, KANE FAMILY TRUST DTD 6/27/2005IndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NANoTRUSTEE, KANE FAMILY TRUST DTD 6/27/200501/2018Schedule APDF page 21
18RACHEL ZENNER KANETRUSTEE, KANE FAMILY TRUST DTD 6/27/2005IndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NANoTRUSTEE, KANE FAMILY TRUST DTD 6/27/200501/2018Schedule APDF page 21
19KANE FAMILY TRUST DTD 6/27/2005MEMBERDomestic entityOSTERWEIS CAPITAL MANAGEMENT5% to less than 10%Code ANoMEMBER01/2018Schedule APDF page 21
20CATHERINE HALBERSTADTMEMBERIndividualOSTERWEIS CAPITAL MANAGEMENT5% to less than 10%Code AYesMEMBER01/2018Schedule APDF page 21
21JOHN SCOTT COLEMANDIRECTORIndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NANoDIRECTOR04/2022Schedule APDF page 21
22JOHN STEPHEN MACLELLANDIRECTORIndividualOSTERWEIS CAPITAL MANAGEMENTLess than 5%Code NANoDIRECTOR04/2022Schedule APDF page 21
23CRAIG LEONARD MANCHUCKSHAREHOLDERIndividualOSTERWEIS CAPITAL MANAGEMENT5% to less than 10%Code ANoSHAREHOLDER05/2022Schedule APDF page 21

Less than 5% may include zero. Code F identifies a role without specifying a percentage. Reported interests may overlap and may not include every owner. Total indirect ownership is not calculated.

Compliance & Disclosures

Filing dated 3/31/2026 7:38:44 PM

Responses were selected by the RIA in its filing. Questions are shortened for readability; “you” refers to the reporting firm, and some questions also cover advisory affiliates.

RIA or supervised-person involvementThe RIA reported that none of the events below involve the firm or its supervised persons.RIA responseNo
AFelonies2 No

In the past ten years, have you or any advisory affiliate:

  • A1Been convicted of or pleaded guilty or no contest to a felony?No
  • A2Been charged with a felony?No
BMisdemeanors2 No

In the past ten years, have you or any advisory affiliate:

  • B1Been convicted of or pleaded guilty or no contest to a misdemeanor involving investments, an investment-related business, fraud, false statements or omissions, wrongful taking of property, bribery, perjury, forgery, counterfeiting, or extortion?No
  • B2Been charged with a misdemeanor of the kind listed above?No
CSEC or CFTC actions5 No

Has the SEC or CFTC ever:

  • C1Found you or an advisory affiliate made a false statement or omission?No
  • C2Found you or an advisory affiliate violated SEC or CFTC regulations or statutes?No
  • C3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • C4Entered an order against you or an advisory affiliate in connection with investment-related activity?No
  • C5Imposed a civil money penalty on you or an advisory affiliate, or ordered you or an advisory affiliate to cease and desist from any activity?No
DOther regulatory actions5 No

Has any other federal regulatory agency, state regulatory agency, or foreign financial regulatory authority ever:

  • D1Found you or an advisory affiliate made a false statement or omission, or was dishonest, unfair, or unethical?No
  • D2Found you or an advisory affiliate violated investment-related regulations or statutes?No
  • D3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • D4In the past ten years, entered an order against you or an advisory affiliate in connection with investment-related activity?No
  • D5Denied, suspended, or revoked your or an advisory affiliate’s registration or license, or otherwise prevented association with an investment-related business or restricted activities?No
ESelf-regulatory organization actions4 No

Has a self-regulatory organization or commodities exchange ever:

  • E1Found you or an advisory affiliate made a false statement or omission?No
  • E2Found you or an advisory affiliate violated its rules, other than a violation designated as a minor rule violation under an SEC-approved plan?No
  • E3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • E4Disciplined you or an advisory affiliate by expulsion, suspension, barring association with other members, or otherwise restricting activities?No
FProfessional authorizations1 No
  • FHas an authorization to act as an attorney, accountant, or federal contractor granted to you or an advisory affiliate ever been revoked or suspended?No
GPending regulatory proceedings1 No
  • GAre you or any advisory affiliate now the subject of a regulatory proceeding that could result in a “Yes” answer to any part of C, D, or E?No
HCivil judicial actions and proceedings4 No

(1) Court actions

Has a domestic or foreign court:

  • H(1)(a)In the past ten years, enjoined you or an advisory affiliate in connection with investment-related activity?No
  • H(1)(b)Found that you or an advisory affiliate violated investment-related statutes or regulations?No
  • H(1)(c)Dismissed, pursuant to a settlement agreement, an investment-related civil action brought against you or an advisory affiliate by a state or foreign financial regulatory authority?No

(2) Pending civil proceedings

  • H(2)Are you or any advisory affiliate now the subject of a civil proceeding that could result in a “Yes” answer to any part of H(1)?No

* 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.