Oberweis Asset Management Inc

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Oberweis Asset Management Inc
CRD #105471
SEC #801-35657
CIK #0000937886
AUM $3.9 B (2025-03-31)
Employees 30 (53% Investors, 57% Brokers)
Phone630-577-2300
Address3333 Warrenville Road
Lisle, IL 60532
Source [IAPD] [EDGAR] [Website] [LinkedIn]
Total AUM ($B)
5.04.03.02.01.00.02000200820172026
CIK Period
0000937886
Sector Form 13F Holdings Value ($B)
Credo Technology Group Holding Ltd 0.1
R&R Acquisition VI Inc 0.1
Applied Optoelectronics Inc 0.0
Sharkninja Inc 0.0
Healthsouth Corp 0.0
Sportradar Group AG 0.0
Ambarella Inc 0.0
Itron Inc /WA/ 0.0
Frontdoor Inc 0.0
Skywest Inc 0.0
Rambus Inc 0.0
Nova Measuring Instruments Ltd 0.0
Freshworks Inc 0.0
Waystar Holding Corp 0.0
Flowserve Corp 0.0
Q2 Holdings Inc 0.0
Clean Harbors Inc 0.0
K12 Inc 0.0
M/A-Com Technology Solutions Holdings Inc 0.0
Lumentum Holdings Inc 0.0
Fabrinet 0.0
Life Time Group Holdings Inc 0.0
American Superconductor Corp /DE/ 0.0
OSI Systems Inc 0.0
WMI Holdings Corp 0.0
Carpenter Technology Corp 0.0
Box Inc 0.0
Commvault Systems Inc 0.0
Mercury Computer Systems Inc 0.0
Pegasystems Inc 0.0
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Type Form D Funds Date Sold ($M) AUM ($M)
Other Oberweis International Select Fund LLC [2021-03-31] 113.7 37.7
AUM Breakdown Accounts AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals) 32 0.0
(b) Individuals (high net worth individuals) 36 0.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 6 2.5
(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 1.1
(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 10 0.2
(n) Other 16 0.0
Total 110 3.9
By Discretionary
Discretionary 109 3.9
Non-Discretionary 1 0.0
Total 110 3.9
By Non-United States Persons
Non-United States Persons 0.3
United States Persons 3.7
Total 110 3.9
Form D Directors # Filings # Firms 2011 - 2025
Oberweis Asset Management Inc 1
James Oberweis 1
EDGAR Form CIK 2011 - 2025
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)
New Century Advisors LLC
MD 4.0
Karpus Management Inc
NY 4.0
New Frontier Advisors LLC
MA 3.9
Schechter Investment Advisors LLC
MI 3.9
Daymark Wealth Partners LLC
OH 3.9
Verdence Capital Advisors LLC
MD 3.9
Bragg Financial Advisors Inc
NC 3.9
Systematic Financial Management LP
NJ 3.9
Argent Capital Management LLC
MO 3.9
Crossingbridge Advisors LLC
NY 3.9
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