OBERWEIS ASSET MANAGEMENT INC/
Related Filers (34)
- VASCO DATA SECURITY INTERNATIONAL INC (3)
- ID SYSTEMS INC (3)
- Omrix Biopharmaceuticals, Inc. (3)
- American Caresource Holdings, Inc. (3)
- RIVIERA TOOL CO (2)
- ARGON ST, Inc. (2)
- TECHNOLOGY RESEARCH CORP (2)
- CENTRAL EUROPEAN DISTRIBUTION CORP (2)
- MIKRON INFRARED INC (2)
- MIND CTI LTD (2)
- HEALTH GRADES INC (2)
- RELM WIRELESS CORP (2)
- ALDILA INC (2)
- ACE COMM CORP (2)
- ONLINE RESOURCES CORP (2)
- ASV INC /MN/ (2)
- ADEZA BIOMEDICAL CORP (2)
- ORCKIT COMMUNICATIONS LTD (2)
- VSE CORP (2)
- WEBSIDESTORY INC (2)
- ADAM INC (2)
- ANGEION CORP/MN (2)
- CARRIZO OIL & GAS INC (2)
- SILICOM LTD (2)
- EDGEWATER TECHNOLOGY INC/DE/ (2)
- SILVERSTAR HOLDINGS LTD (2)
- SIMULATIONS PLUS INC (2)
- Double-Take Software, Inc. (2)
- Obagi Medical Products, Inc. (2)
- GSE SYSTEMS INC (2)
- PERMA FIX ENVIRONMENTAL SERVICES INC (2)
- NQ Mobile Inc. (2)
- OBERWEIS ASSET MANAGEMENT INC /IL/ /ADV (1)
- MERRIMAC INDUSTRIES INC (1)
- Show More ...
Other (104)
13F-HR
Wednesday, 2/14/2024
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 11/14/2023
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 8/14/2023
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/15/2023
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/14/2023
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/14/2022
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 8/15/2022
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/16/2022
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 2/14/2022
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/15/2021
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 8/16/2021
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/17/2021
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/16/2021
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/16/2020
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 8/14/2020
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 5/15/2020
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 2/14/2020
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 11/14/2019
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 8/14/2019
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 5/15/2019
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 2/14/2019
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 11/14/2018
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 8/14/2018
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 5/15/2018
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 2/14/2018
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/13/2017
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 8/14/2017
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/15/2017
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/14/2017
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/14/2016
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 8/15/2016
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/16/2016
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/16/2016
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 11/13/2015
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 8/14/2015
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 5/15/2015
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 2/13/2015
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 11/14/2014
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 8/14/2014
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 5/15/2014
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 2/14/2014
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 11/14/2013
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 8/14/2013
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 5/15/2013
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 2/14/2013
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 11/14/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 8/14/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 5/15/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 2/8/2012
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/14/2011
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 8/15/2011
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/16/2011
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 2/14/2011
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/15/2010
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 8/16/2010
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/17/2010
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/16/2010
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 11/16/2009
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 8/14/2009
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 5/15/2009
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 2/13/2009
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 11/14/2008
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 8/14/2008
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 5/15/2008
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 2/14/2008
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 11/14/2007
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 8/14/2007
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 5/15/2007
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 2/23/2007
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Monday, 1/8/2007
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Monday, 1/8/2007
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR/A
Monday, 1/8/2007
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 11/14/2006
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 8/14/2006
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/15/2006
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/7/2006
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 11/9/2005
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 8/12/2005
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 5/24/2005
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 2/9/2005
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 10/29/2004
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 8/11/2004
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 5/10/2004
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/10/2004
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 10/24/2003
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 8/14/2003
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 5/7/2003
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 2/10/2003
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 10/21/2002
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 8/9/2002
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Wednesday, 5/8/2002
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/12/2002
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 10/26/2001
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 8/3/2001
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 5/8/2001
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 2/8/2001
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Monday, 10/30/2000
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Thursday, 8/10/2000
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Friday, 5/12/2000
Initial Quarterly Form 13F Holdings Report filed by institutional managers
13F-HR
Tuesday, 2/1/2000
Initial Quarterly Form 13F Holdings Report filed by institutional managers
Ownership (69)
SC 13G/A
Friday, 2/13/2015
NQ Mobile Inc.: Major Shareholders
SC 13G
Friday, 2/14/2014
NQ Mobile Inc.: Major Shareholders
SC 13G/A
Monday, 2/14/2011
American Caresource Holdings, Inc.: Major Shareholders
SC 13G/A
Monday, 2/14/2011
GSE SYSTEMS INC: Major Shareholders
SC 13G/A
Monday, 2/14/2011
PERMA FIX ENVIRONMENTAL SERVICES INC: Major Shareholders
SC 13G
Friday, 2/12/2010
GSE SYSTEMS INC: Major Shareholders
SC 13G
Friday, 2/12/2010
MERRIMAC INDUSTRIES INC: Major Shareholders
SC 13G
Friday, 2/12/2010
PERMA FIX ENVIRONMENTAL SERVICES INC: Major Shareholders
SC 13G/A
Friday, 2/12/2010
American Caresource Holdings, Inc.: Major Shareholders
SC 13G/A
Friday, 2/13/2009
Double-Take Software, Inc.: Major Shareholders
SC 13G/A
Friday, 2/13/2009
SILVERSTAR HOLDINGS LTD: Major Shareholders
SC 13G/A
Friday, 2/13/2009
Obagi Medical Products, Inc.: Major Shareholders
SC 13G/A
Friday, 2/13/2009
Omrix Biopharmaceuticals, Inc.: Major Shareholders
SC 13G
Friday, 2/13/2009
American Caresource Holdings, Inc.: Major Shareholders
SC 13G/A
Friday, 2/13/2009
SIMULATIONS PLUS INC: Major Shareholders
SC 13G
Thursday, 2/14/2008
SIMULATIONS PLUS INC: Major Shareholders
SC 13G
Thursday, 2/14/2008
SILVERSTAR HOLDINGS LTD: Major Shareholders
SC 13G/A
Thursday, 2/14/2008
SILICOM LTD: Major Shareholders
SC 13G
Thursday, 2/14/2008
Double-Take Software, Inc.: Major Shareholders
SC 13G/A
Thursday, 2/14/2008
ANGEION CORP/MN: Major Shareholders
SC 13G/A
Thursday, 2/14/2008
Omrix Biopharmaceuticals, Inc.: Major Shareholders
SC 13G/A
Thursday, 2/14/2008
VASCO DATA SECURITY INTERNATIONAL INC: Major Shareholders
SC 13G/A
Thursday, 2/14/2008
ID SYSTEMS INC: Major Shareholders
SC 13G
Thursday, 2/14/2008
Obagi Medical Products, Inc.: Major Shareholders
SC 13G/A
Thursday, 2/14/2008
EDGEWATER TECHNOLOGY INC/DE/: Major Shareholders
SC 13G/A
Wednesday, 2/14/2007
ASV INC /MN/: Major Shareholders
SC 13G/A
Wednesday, 2/14/2007
HEALTH GRADES INC: Major Shareholders
SC 13G/A
Wednesday, 2/14/2007
ADEZA BIOMEDICAL CORP: Major Shareholders
SC 13G/A
Wednesday, 2/14/2007
VSE CORP: Major Shareholders
SC 13G/A
Wednesday, 2/14/2007
ADAM INC: Major Shareholders
SC 13G/A
Wednesday, 2/14/2007
WEBSIDESTORY INC: Major Shareholders
SC 13G/A
Wednesday, 2/14/2007
ACE COMM CORP: Major Shareholders
SC 13G/A
Wednesday, 2/14/2007
ALDILA INC: Major Shareholders
SC 13G/A
Wednesday, 2/14/2007
VASCO DATA SECURITY INTERNATIONAL INC: Major Shareholders
SC 13G/A
Wednesday, 2/14/2007
ID SYSTEMS INC: Major Shareholders
SC 13G
Wednesday, 2/14/2007
Omrix Biopharmaceuticals, Inc.: Major Shareholders
SC 13G/A
Wednesday, 2/14/2007
CARRIZO OIL & GAS INC: Major Shareholders
SC 13G/A
Wednesday, 2/14/2007
ONLINE RESOURCES CORP: Major Shareholders
SC 13G
Wednesday, 2/14/2007
EDGEWATER TECHNOLOGY INC/DE/: Major Shareholders
SC 13G/A
Wednesday, 2/14/2007
ORCKIT COMMUNICATIONS LTD: Major Shareholders
SC 13G
Wednesday, 2/14/2007
ANGEION CORP/MN: Major Shareholders
SC 13G
Wednesday, 2/14/2007
SILICOM LTD: Major Shareholders
SC 13G
Tuesday, 2/14/2006
HEALTH GRADES INC: Major Shareholders
SC 13G/A
Tuesday, 2/14/2006
CENTRAL EUROPEAN DISTRIBUTION CORP: Major Shareholders
SC 13G/A
Tuesday, 2/14/2006
MIND CTI LTD: Major Shareholders
SC 13G/A
Tuesday, 2/14/2006
RELM WIRELESS CORP: Major Shareholders
SC 13G
Tuesday, 2/14/2006
ACE COMM CORP: Major Shareholders
SC 13G
Tuesday, 2/14/2006
ADAM INC: Major Shareholders
SC 13G
Tuesday, 2/14/2006
ADEZA BIOMEDICAL CORP: Major Shareholders
SC 13G
Tuesday, 2/14/2006
ALDILA INC: Major Shareholders
SC 13G
Tuesday, 2/14/2006
ASV INC /MN/: Major Shareholders
SC 13G
Tuesday, 2/14/2006
ID SYSTEMS INC: Major Shareholders
SC 13G
Tuesday, 2/14/2006
ORCKIT COMMUNICATIONS LTD: Major Shareholders
SC 13G
Tuesday, 2/14/2006
ONLINE RESOURCES CORP: Major Shareholders
SC 13G
Tuesday, 2/14/2006
VASCO DATA SECURITY INTERNATIONAL INC: Major Shareholders
SC 13G
Tuesday, 2/14/2006
VSE CORP: Major Shareholders
SC 13G
Tuesday, 2/14/2006
WEBSIDESTORY INC: Major Shareholders
SC 13G
Tuesday, 2/14/2006
CARRIZO OIL & GAS INC: Major Shareholders
SC 13G
Monday, 2/14/2005
CENTRAL EUROPEAN DISTRIBUTION CORP: Major Shareholders
SC 13G
Monday, 2/14/2005
MIND CTI LTD: Major Shareholders
SC 13G
Monday, 2/14/2005
RELM WIRELESS CORP: Major Shareholders
SC 13G/A
Monday, 2/14/2005
ARGON ST, Inc.: Major Shareholders
SC 13G/A
Monday, 2/14/2005
TECHNOLOGY RESEARCH CORP: Major Shareholders
SC 13G/A
Monday, 2/14/2005
MIKRON INFRARED INC: Major Shareholders
SC 13G/A
Thursday, 2/26/2004
RIVIERA TOOL CO: Major Shareholders
SC 13G
Thursday, 2/26/2004
MIKRON INFRARED INC: Major Shareholders
SC 13G
Thursday, 2/26/2004
TECHNOLOGY RESEARCH CORP: Major Shareholders
SC 13G
Thursday, 2/26/2004
SENSYTECH INC: Major Shareholders
SC 13G
Wednesday, 9/10/2003
RIVIERA TOOL CO: Major Shareholders