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Harold Hallstein, portrait

Harold Hallstein

Managing Partner - CEO & CCO at Sankala Group in Lyons, CO

Investment adviser registrationUpdated

Harold Hallstein is Managing Partner - CEO & CCO of Sankala Group LLC, an investment adviser managing $159M, and works from its Lyons, CO office. Harold Hallstein has been registered as an investment adviser representative through Sankala Group since 10 January 2011, has 15 years in the industry across 1 firm and has passed the Series 65.

15
Years in industry
15
Years at firm
1
Adviser firms
2
States registered

From the IAPD record, checked 22 October 2026SEC record

Career

Harold Hallstein has been Managing Partner - CEO & CCO of Sankala Group since July 2010, is a control person of the firm and directly owns between 50% and 75% of it. Harold Hallstein holds a BA from Colby College.

Sankala Group LLC is a firm with $159M under management, 107 clients and 4 advisers across 4 offices, as of its March 2026 filing.

Harold A. Hallstein IV is Managing Partner of Sankala Group LLC, based in Boulder, CO. He has been advising families and institutions on investment strategy since founding the Sankala Group in 2010. He previously worked as a Fund Analyst for RCG Capital Advisors, a long-short equity investment partnership, and began his career as a Project Manager for Wisdom Publications.

  1. – present · 15 years
    Lyons, CO · Adviser representative · Firm CRD 154806

Credentials and registrations

Investment adviser representative registrations

Harold Hallstein is registered as an investment adviser representative in 2 states. The first approvals date from January 2011; the most recent is Massachusetts, in June 2016.

  • ColoradoSince 10 January 2011
  • MassachusettsSince 9 June 2016

Examinations

Series 6529 June 2010
Name
Uniform Investment Adviser Law Examination

Key facts

Full name
Harold A. Hallstein
CRD
5832334
Firm
Sankala Group · CRD 154806
Role
Managing Partner - CEO & CCO
Office
Lyons, CO
Registration
Investment adviser registration
In the industry since
January 2011
Disciplinary history
Not yet shown here · SEC record

Common questions

Where does Harold Hallstein work?

Harold Hallstein has been Managing Partner - CEO & CCO of Sankala Group LLC since July 2010, and is a control person of the firm.

Source: Form ADV, Schedule A, filed 4 March 2026

Is Harold Hallstein a financial advisor?

Yes. Harold Hallstein has a current investment-adviser registration in Colorado and Massachusetts, through Sankala Group since January 2011.

Source: IAPD individual record, checked 22 October 2026

How many years of experience does Harold Hallstein have?

Harold Hallstein has 15 years in the financial industry, since January 2011, across 1 adviser firm.

Source: IAPD individual record, checked 22 October 2026

What exams has Harold Hallstein passed?

Harold Hallstein passed the Series 65 in June 2010.

Source: IAPD individual record, checked 22 October 2026

Where is Harold Hallstein based?

Harold Hallstein’s registered office is in Lyons, CO.

Source: IAPD individual record, checked 22 October 2026

Is Harold Hallstein registered with FINRA?

No. Harold Hallstein has no current broker registration.

Source: IAPD individual record, checked 22 October 2026

How can I verify Harold Hallstein’s record?

Search CRD 5832334 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Harold Hallstein’s full registration record.

Source: IAPD individual record, checked 22 October 2026

Leadership at Sankala Group

Sources

  1. IAPD individual record, CRD 5832334, checked 22 October 2026. Registration status, employment history and examinations.
  2. Form ADV Part 1A, Schedules A and B of Sankala Group LLC, filed 4 March 2026. Title, control and ownership bands.
  3. Sankala Group team page. Biography, education, credentials, awards and the portrait, reproduced for identification.