Oberweis Asset Management Inc

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Assets, Funds, Holdings

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Oberweis Asset Management Inc
CRD #105471
SEC #801-35657
CIK #0000937886
AUM $5.1 B (2026-03-31)
Employees 31 (55% Investors, 58% Brokers)
Phone630-577-2300
Address3333 Warrenville Road
Lisle, IL 60532
Source [IAPD] [EDGAR] [Website] [LinkedIn]
Total AUM ($B)
6.04.83.62.41.20.01999200820172027
Sector Form 13F Holdings Value ($B)
Applied Optoelectronics Inc 0.2
Lumentum Holdings Inc 0.2
Credo Technology Group Holding Ltd 0.1
Digitalocean Holdings Inc 0.1
Sharkninja Inc 0.1
Nova Measuring Instruments Ltd 0.1
Dana Holding Corp 0.1
BrightSpring Health Services Inc 0.0
M/A-Com Technology Solutions Holdings Inc 0.0
Rambus Inc 0.0
View All
Holdings by Sector ($B)
4.03.22.41.60.80.02011201620212027
Type Form D Funds Date Sold ($M) AUM ($M)
Other Oberweis International Select Fund LLC [2021-03-31] 113.7 48.8
AUM Breakdown Accounts AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals) 30 0.0
(b) Individuals (high net worth individuals) 36 0.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 6 3.2
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 1 0.0
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 7 1.4
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 12 0.3
(n) Other 16 0.0
Total 110 5.1
By Discretionary
Discretionary 109 5.1
Non-Discretionary 1 0.0
Total 110 5.1
By Non-United States Persons
Non-United States Persons 0.3
United States Persons 4.7
Total 110 5.1
Form D Directors Role # Filings # Firms 2011 - 2026
James Oberweis 1 1
Oberweis Asset Management Inc 1 1
EDGAR Form CIK 2011 - 2026
13F-HR [0000937886]
SC 13G [0000937886]
Form 13D/13G Filer Form 13D/13G Subject Filed
Oberweis Asset Management INC/ NQ Mobile Inc [2014-02-14]
Comparable Firms State AUM ($B)
RNC Capital Management LLC
CA 5.1
Moran Wealth Management LLC
FL 5.1
Advisor OS LLC
IL 5.1
New England Private Wealth Advisors LLC
MA 5.1
First Foundation Advisors
CA 5.1
Wellspring Financial Advisors LLC
OH 5.1
Daymark Wealth Partners LLC
OH 5.0
Coastal Bridge Advisors LLC
CT 5.0
Kennedy Capital Management LLC
MO 5.0
Advance Capital Management Inc
MI 5.0
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