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Oberweis Asset Management INC

% of assets managed in Lisle, IL

SEC registeredNo commissions reported

Call (630) 577-2300Send a messageMap ↗

Public-record details

Address
3333 Warrenville Road, Suite 500, Lisle, IL 60532
Phone
(630) 577-2300
Listed under
% of assets managed
CRD number
105471
Registration
SEC registered since 1990-01-04
Compensation (Form ADV 5.E)
Percentage of assets under management; Other (Provide Model Portfolio Data to Clients)
Commissions
None reported (Form ADV Item 5.E)
Services (Form ADV 5.G)
Portfolio management for individuals/small businesses
Regulatory assets under management
$5.1 billion
Accounts managed
110
Clients reported (Form ADV 5.D)
108
Individual / high-net-worth clients
30 / 36
Employees
31
Other business activities (Form ADV 6.A)
None reported
Disclosures reported on Form ADV
None reported
Latest Form ADV filing
2026-09-08

SEC registered investment adviser, CRD 105471, per the SEC IAPD compilation report of 2026-09-29. Source: SEC Investment Adviser Public Disclosure (IAPD) (record). Data as of 2026-09-30.

Read the official record

Figures are what the firm reported on Form ADV Part 1A. “No commissions reported” means the firm did not check commissions as a form of compensation in Item 5.E; check Item 6.A activities and the Part 2 brochure for other conflicts. We do not rate or rank advisers.

All figures are self-reported by the firm on Form ADV Part 1A. The firm's Part 2A brochure (linked from IAPD) explains its fees, minimums and conflicts of interest in plain language — read it before you sign.

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