OBERWEIS ASSET MANAGEMENT INC
CRD #105471 SEC #801-35657 LISLE, IL 630-577-2300
SEC Registered Private Funds
Total AUM
$3.9B
Discretionary
$3.9B
Employees
30
Clients
--
Accounts
110
AUM Over Time
| Date | Total AUM | Discretionary | Non-Disc. | Employees | Clients |
|---|---|---|---|---|---|
| Dec 2025 | $3.9B | $3.9B | $654.7K | 30 | 0 |
| Mar 2025 | $3.9B | $3.9B | $654.7K | 30 | 0 |
| Oct 2024 | $3B | $3B | $527K | 32 | 0 |
| Aug 2024 | $3B | $3B | $527K | 32 | 0 |
| Mar 2024 | $3B | $3B | $527K | 32 | 0 |
| Nov 2023 | $2.6B | $2.6B | $444.4K | 32 | 0 |
| Jul 2023 | $2.6B | $2.6B | $444.4K | 32 | 0 |
| Mar 2023 | $2.6B | $2.6B | $444.4K | 32 | 0 |
| Jan 2023 | $3.8B | $3.8B | $1.7M | 31 | 0 |
| Nov 2022 | $3.8B | $3.8B | $1.7M | 31 | 0 |
| Oct 2022 | $3.8B | $3.8B | $1.7M | 31 | 0 |
| Mar 2022 | $3.8B | $3.8B | $1.7M | 31 | 0 |
| Mar 2021 | $3.8B | $3.8B | $2.3M | 29 | 0 |
| Jun 2020 | $3.1B | $3.1B | $1.9M | 35 | 0 |
| Mar 2020 | $3.1B | $3.1B | $1.9M | 35 | 0 |
| Mar 2019 | $2.8B | $2.8B | $1.6M | 35 | 0 |
| Mar 2018 | $4B | $4B | $2M | 31 | 0 |
| Sep 2017 | $2.8B | $2.8B | $0 | 25 | 26 |
| Aug 2017 | $2.8B | $2.8B | $0 | 25 | 26 |
| Jun 2017 | $2.8B | $2.8B | $0 | 25 | 26 |
| Mar 2017 | $2.8B | $2.8B | $0 | 25 | 26 |
| Mar 2016 | $2.5B | $2.5B | $0 | 26 | 26 |
| Mar 2015 | $1.5B | $1.5B | $0 | 25 | 26 |
| Mar 2014 | $1.1B | $1.1B | $0 | 24 | 26 |
| May 2013 | $705.7M | $705.7M | $0 | 23 | 26 |
| Apr 2013 | $705.7M | $705.7M | $0 | 23 | 26 |
| Mar 2012 | $586.2M | $586.2M | $0 | 11 | 26 |
| Jun 2011 | $848.2M | $848.2M | $0 | -- | -- |
| Mar 2011 | $848.2M | $848.2M | $0 | -- | -- |
| Oct 2009 | $491.7M | $491.7M | $0 | -- | -- |
| Feb 2009 | $491.7M | $491.7M | $0 | -- | -- |
| Mar 2008 | $2.7B | $2.7B | $0 | -- | -- |
| Mar 2007 | $2.1B | $2.1B | $0 | -- | -- |
| Jan 2006 | $948.2M | $948.2M | $0 | -- | -- |
| Jun 2004 | $657.4M | $657.4M | $0 | -- | -- |
| Mar 2004 | $657.4M | $657.4M | $0 | -- | -- |
| Mar 2002 | $193.4M | $193.4M | $0 | 10 | -- |
DateDec 2025
Total AUM$3.9B
Discretionary$3.9B
Non-Disc.$654.7K
Employees30
Clients0
DateMar 2025
Total AUM$3.9B
Discretionary$3.9B
Non-Disc.$654.7K
Employees30
Clients0
DateOct 2024
Total AUM$3B
Discretionary$3B
Non-Disc.$527K
Employees32
Clients0
DateAug 2024
Total AUM$3B
Discretionary$3B
Non-Disc.$527K
Employees32
Clients0
DateMar 2024
Total AUM$3B
Discretionary$3B
Non-Disc.$527K
Employees32
Clients0
DateNov 2023
Total AUM$2.6B
Discretionary$2.6B
Non-Disc.$444.4K
Employees32
Clients0
DateJul 2023
Total AUM$2.6B
Discretionary$2.6B
Non-Disc.$444.4K
Employees32
Clients0
DateMar 2023
Total AUM$2.6B
Discretionary$2.6B
Non-Disc.$444.4K
Employees32
Clients0
DateJan 2023
Total AUM$3.8B
Discretionary$3.8B
Non-Disc.$1.7M
Employees31
Clients0
DateNov 2022
Total AUM$3.8B
Discretionary$3.8B
Non-Disc.$1.7M
Employees31
Clients0
DateOct 2022
Total AUM$3.8B
Discretionary$3.8B
Non-Disc.$1.7M
Employees31
Clients0
DateMar 2022
Total AUM$3.8B
Discretionary$3.8B
Non-Disc.$1.7M
Employees31
Clients0
DateMar 2021
Total AUM$3.8B
Discretionary$3.8B
Non-Disc.$2.3M
Employees29
Clients0
DateJun 2020
Total AUM$3.1B
Discretionary$3.1B
Non-Disc.$1.9M
Employees35
Clients0
DateMar 2020
Total AUM$3.1B
Discretionary$3.1B
Non-Disc.$1.9M
Employees35
Clients0
DateMar 2019
Total AUM$2.8B
Discretionary$2.8B
Non-Disc.$1.6M
Employees35
Clients0
DateMar 2018
Total AUM$4B
Discretionary$4B
Non-Disc.$2M
Employees31
Clients0
DateSep 2017
Total AUM$2.8B
Discretionary$2.8B
Non-Disc.$0
Employees25
Clients26
DateAug 2017
Total AUM$2.8B
Discretionary$2.8B
Non-Disc.$0
Employees25
Clients26
DateJun 2017
Total AUM$2.8B
Discretionary$2.8B
Non-Disc.$0
Employees25
Clients26
DateMar 2017
Total AUM$2.8B
Discretionary$2.8B
Non-Disc.$0
Employees25
Clients26
DateMar 2016
Total AUM$2.5B
Discretionary$2.5B
Non-Disc.$0
Employees26
Clients26
DateMar 2015
Total AUM$1.5B
Discretionary$1.5B
Non-Disc.$0
Employees25
Clients26
DateMar 2014
Total AUM$1.1B
Discretionary$1.1B
Non-Disc.$0
Employees24
Clients26
DateMay 2013
Total AUM$705.7M
Discretionary$705.7M
Non-Disc.$0
Employees23
Clients26
DateApr 2013
Total AUM$705.7M
Discretionary$705.7M
Non-Disc.$0
Employees23
Clients26
DateMar 2012
Total AUM$586.2M
Discretionary$586.2M
Non-Disc.$0
Employees11
Clients26
DateJun 2011
Total AUM$848.2M
Discretionary$848.2M
Non-Disc.$0
Employees--
Clients--
DateMar 2011
Total AUM$848.2M
Discretionary$848.2M
Non-Disc.$0
Employees--
Clients--
DateOct 2009
Total AUM$491.7M
Discretionary$491.7M
Non-Disc.$0
Employees--
Clients--
DateFeb 2009
Total AUM$491.7M
Discretionary$491.7M
Non-Disc.$0
Employees--
Clients--
DateMar 2008
Total AUM$2.7B
Discretionary$2.7B
Non-Disc.$0
Employees--
Clients--
DateMar 2007
Total AUM$2.1B
Discretionary$2.1B
Non-Disc.$0
Employees--
Clients--
DateJan 2006
Total AUM$948.2M
Discretionary$948.2M
Non-Disc.$0
Employees--
Clients--
DateJun 2004
Total AUM$657.4M
Discretionary$657.4M
Non-Disc.$0
Employees--
Clients--
DateMar 2004
Total AUM$657.4M
Discretionary$657.4M
Non-Disc.$0
Employees--
Clients--
DateMar 2002
Total AUM$193.4M
Discretionary$193.4M
Non-Disc.$0
Employees10
Clients--