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James Oberweis

Chairman, President, Shareholder and Director at Oberweis Asset Management in Lisle, IL

Investment adviser and broker registrationsUpdated

James Oberweis is Chairman, President, Shareholder and Director of Oberweis Asset Management Inc, an investment adviser managing $5.06B, and works from its Lisle, IL office. James Oberweis has been registered as an investment adviser representative through Oberweis Asset Management since 14 October 1997, has 30 years in the industry across 1 firm and has passed 8 licensing exams.

30
Years in industry
29
Years at firm
1
Adviser firms
3
States registered

From the IAPD record, checked 22 October 2026SEC record

Career

James Oberweis has been Chairman, President, Shareholder and Director of Oberweis Asset Management since November 1994, is a control person of the firm and directly owns between 50% and 75% of it.

Oberweis Asset Management Inc is a Lisle, IL firm with $5.06B under management, 108 clients and 17 advisers in one office, as of its September 2026 filing.

  1. – present · 29 years
    Lisle, IL · Adviser representative · Firm CRD 105471

Credentials and registrations

Investment adviser representative registrations

James Oberweis is registered as an investment adviser representative in 3 states, as a resident of Texas. The first approvals date from October 1997; the most recent is California, in October 2023.

  • CaliforniaSince 27 October 2023
  • IllinoisSince 14 October 1997
  • TexasResidentSince 8 May 2006

Examinations

Series 99TO2 January 2023
Name
Operations Professional Examination
SIECredited
Name
Securities Industry Essentials Examination
Series 8713 July 2016
Name
Research Analyst Exam - Part II Regulations Module
Series 8612 July 2016
Name
Research Analyst Exam - Part I Analysis Module
Series 2715 September 2000
Name
Financial and Operations Principal Examination
Series 2428 October 1996
Name
General Securities Principal Examination
Series 6527 March 1996
Name
Uniform Investment Adviser Law Examination
Series 6327 March 1996
Name
Uniform Securities Agent State Law Examination
Series 711 March 1996
Name
General Securities Representative Examination

Key facts

Full name
James Walter Oberweis
CRD
2363059
Firm
Oberweis Asset Management · CRD 105471
Role
Chairman, President, Shareholder and Director
Office
3333 WARRENVILLE ROAD, SUITE 500, Lisle, IL 60532
Registration
Investment adviser and broker registrations
In the industry since
March 1996
Disciplinary history
Not yet shown here · SEC record · BrokerCheck

Common questions

Where does James Oberweis work?

James Oberweis has been Chairman, President, Shareholder and Director of Oberweis Asset Management Inc since November 1994, and is a control person of the firm.

Source: Form ADV, Schedule A, filed 8 September 2026

Is James Oberweis a financial advisor?

Yes. James Oberweis has a current investment-adviser registration in California, Illinois and Texas, through Oberweis Asset Management since October 1997.

Source: IAPD individual record, checked 22 October 2026

How many years of experience does James Oberweis have?

James Oberweis has 30 years in the financial industry, since March 1996, across 1 adviser firm.

Source: IAPD individual record, checked 22 October 2026

What exams has James Oberweis passed?

James Oberweis has passed 8 licensing exams: the Series 7, Series 65, Series 63, Series 24, Series 27, Series 86, Series 87 and Series 99TO. The earliest, the Series 7, was passed in March 1996. FINRA credited James Oberweis with the SIE, which began in October 2018.

Source: IAPD individual record, checked 22 October 2026

Where is James Oberweis based?

James Oberweis’ registered office is in Lisle, IL.

Source: IAPD individual record, checked 22 October 2026

Is James Oberweis registered with FINRA?

Yes. James Oberweis has a current broker registration, under CRD 2363059.

Source: FINRA BrokerCheck

How can I verify James Oberweis’ record?

Search CRD 2363059 on the SEC’s adviser search (adviserinfo.sec.gov) and FINRA’s broker search (brokercheck.finra.org), which publish James Oberweis’ full registration record.

Source: IAPD individual record, checked 22 October 2026

Leadership at Oberweis Asset Management

Sources

  1. IAPD individual record, CRD 2363059, checked 22 October 2026. Registration status, employment history and examinations.
  2. Form ADV Part 1A, Schedules A and B of Oberweis Asset Management Inc, filed 8 September 2026. Title, control and ownership bands.