Skip to content

Arthur Thielen

President/Chief Compliance Officer at Thielen Capital in Ladera Ranch, CA

Investment adviser registrationUpdated

Arthur Thielen is President/Chief Compliance Officer of Thielen Capital Corporation, an investment adviser managing $126M, and works from its Ladera Ranch, CA office. Arthur Thielen has been registered as an investment adviser representative through Thielen Capital since 5 February 2014, has 23 years in the industry across 5 firms and has passed the Series 63, Series 6, Series 65 and Series 7.

23
Years in industry
12
Years at firm
5
Adviser firms
0
States registered

From the IAPD record, checked 22 October 2026SEC record

Career

Arthur Thielen has been President/Chief Compliance Officer of Thielen Capital since October 2013, is a control person of the firm and directly owns 75% or more of it. Arthur Thielen studied at the University of Arizona.

Thielen Capital Corporation is a Ladera Ranch, CA firm with $126M under management, 82 clients and 1 adviser in one office, as of its March 2026 filing.

Arthur J. Thielen is President and Founder of Thielen Capital. He began his financial career as a registered representative for a local investment firm, then joined an investment advisory firm, where he prepared asset allocations and investment analysis for the firm's clients for nine years while building his own clientele.

Arthur Thielen’s longest registration is the current one, 12 years at Thielen Capital since 2014. Before joining Thielen Capital in 2014, Arthur Thielen was registered through Summit Portfolio Management Inc. and Evolve Investment Advisors.

  1. – present · 12 years
    Ladera Ranch, CA · Adviser representative · Firm CRD 169139
  2. Summit Portfolio Management Inc.
    – · 2 years
    Las Vegas, NV · Adviser representative · Firm CRD 111243
  3. Evolve Investment Advisors
    – · under a year
    Austin, TX · Adviser representative · Firm CRD 131714
  4. Evolve Securities, Inc.
    – · 4 years
    Huntington Beach, CA · Adviser representative · Firm CRD 127474
  5. Pathways Financial Partners,inc.
    – · 8 years
    Tucson, AZ · Adviser representative · Firm CRD 127960

Credentials and registrations

Examinations

Series 78 October 2004
Name
General Securities Representative Examination
Series 654 August 2003
Name
Uniform Investment Adviser Law Examination
Series 627 June 2002
Name
Investment Company Products/Variable Contracts Representative Examination
Series 6326 April 2002
Name
Uniform Securities Agent State Law Examination

Key facts

Full name
Arthur John Thielen
CRD
4525121
Firm
Thielen Capital · CRD 169139
Role
President/Chief Compliance Officer
Office
999 CORPORATE DRIVE, SUITE 100, Ladera Ranch, CA 92694
Registration
Investment adviser registration
In the industry since
September 2003
Disciplinary history
Not yet shown here · SEC record

Common questions

Where does Arthur Thielen work?

Arthur Thielen has been President/Chief Compliance Officer of Thielen Capital Corporation since October 2013, and is a control person of the firm.

Source: Form ADV, Schedule A, filed 24 March 2026

Is Arthur Thielen a financial advisor?

Yes. Arthur Thielen has a current investment-adviser registration, through Thielen Capital since February 2014.

Source: IAPD individual record, checked 22 October 2026

How many years of experience does Arthur Thielen have?

Arthur Thielen has 23 years in the financial industry, since September 2003, across 5 adviser firms.

Source: IAPD individual record, checked 22 October 2026

What exams has Arthur Thielen passed?

Arthur Thielen has passed 4 licensing exams: the Series 63, Series 6, Series 65 and Series 7. The earliest, the Series 63, was passed in April 2002.

Source: IAPD individual record, checked 22 October 2026

Where did Arthur Thielen work before Thielen Capital?

Before Thielen Capital, Arthur Thielen was registered through Summit Portfolio Management Inc., December 2011 to January 2014; Evolve Investment Advisors, March 2010 to December 2010; Evolve Securities, Inc., September 2006 to December 2010; Pathways Financial Partners,inc., September 2003 to November 2011.

Source: IAPD individual record, checked 22 October 2026

Where is Arthur Thielen based?

Arthur Thielen’s registered office is in Ladera Ranch, CA.

Source: IAPD individual record, checked 22 October 2026

Is Arthur Thielen registered with FINRA?

No. Arthur Thielen has no current broker registration.

Source: IAPD individual record, checked 22 October 2026

How can I verify Arthur Thielen’s record?

Search CRD 4525121 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Arthur Thielen’s full registration record.

Source: IAPD individual record, checked 22 October 2026

Sources

  1. IAPD individual record, CRD 4525121, checked 22 October 2026. Registration status, employment history and examinations.
  2. Form ADV Part 1A, Schedules A and B of Thielen Capital Corporation, filed 24 March 2026. Title, control and ownership bands.
  3. Thielen Capital team page. Biography, education, credentials, awards.