OBERWEIS ASSET MANAGEMENT INC/
Q1 2018 13F Holdings
Location
Lisle, IL
Holdings as of
3/31/2018
Value ($000)
$381,001
Num holdings
227
Date filed
5/15/2018
Form type
13F-HR
Prev filing
2/14/2018
Next filing
8/14/2018
SEC
View on sec.gov
Compare Q1 2018 to
2024 Q3
2024 Q2
2024 Q1
2023 Q4
2023 Q3
2023 Q2
2023 Q1
2022 Q4
2022 Q3
2022 Q2
2022 Q1
2021 Q4
2021 Q3
2021 Q2
2021 Q1
2020 Q4
2020 Q3
2020 Q2
2020 Q1
2019 Q4
2019 Q3
2019 Q2
2019 Q1
2018 Q4
2018 Q3
2018 Q2
2017 Q4
2017 Q3
2017 Q2
2017 Q1
2016 Q4
2016 Q3
2016 Q2
2016 Q1
2015 Q4
2015 Q3
2015 Q2
2015 Q1
2014 Q4
2014 Q3
2014 Q2
2014 Q1
2013 Q4
Sym
Issuer Name
Cl
CUSIP
Value ($000)
%
Shares
Principal
Option Type