OBERWEIS ASSET MANAGEMENT INC/ Q4 2023 Filing

Filed February 14, 2024

Portfolio Value

$1.1B

Holdings

192

Report Date

Q4 2023

Filing Type

13F-HR

All Holdings (192 positions)

StockValue
CSTMConstellium NV Cl A
$36.9M
ACLSAxcelis Technologies
$31.8M
AEHRAehr Test Systems
$28.9M
ATECAlphatec Hldgs Inc.
$24.3M
WFRDWeatherford International PLC
$23.5M
AMPHAmphastar Pharmaceuticals, Inc
$21.0M
VCYTVeracyte, Inc.
$18.1M
AAOIApplied Optoelectronics Inc.
$17.2M
TMDXTransMedics Group, Inc.
$16.8M
PERIPerion Network, Ltd.
$14.1M
OLEDUniversal Display Corp.
$12.7M
ADMAADMA Biologics, Inc.
$12.3M
CAMTCamtek, Ltd.
$12.1M
VRTVertiv Holdings Co.
$11.2M
AXNX*Axonics, Inc.
$11.1M
OSKOshkosh Corp.
$10.7M
FLSFlowserve Corporation
$10.1M
CLHClean Harbors, Inc.
$10.0M
EHCEncompass Health Corporation
$9.7M
FTDRFrontdoor, Inc.
$9.5M
HAEHaemonetics Corp.
$9.1M
ICFIICF International, Inc.
$8.9M
JPXAerovironment, Inc.
$8.8M
CECOCECO Environmental Corp.
$8.7M
UCTTUltra Clean Holdings
$8.4M
PSNParsons Corp.
$8.3M
BELFBBel Fuse, Inc.
$8.3M
ZETAZeta Global Holdings Corp.
$8.3M
MMSIMerit Medical System Inc
$8.1M
PWIPower Integrations
$8.1M
DECKDeckers Outdoor Corp.
$8.1M
FCFSFirstCash Holdings, Inc
$8.0M
ALGMAllegro MicroSystems, Inc.
$7.8M
PLABPhotronics, Inc.
$7.8M
NVTSNavitas Semiconductor Corp.
$7.7M
STRLSterling Construction Co., Inc
$7.7M
BLBDBlue Bird Corporation
$7.7M
ACMRACM Research, Inc. Class A
$7.7M
FSSFederal Signal Corp.
$7.6M
VECOVeeco Instruments, Inc.
$7.4M
SPXCSPX Technologies, Inc.
$7.4M
EVHEvolent Health, Inc.
$7.1M
WWDWoodward, Inc.
$7.1M
ITGRInteger Holdings Corporation
$7.0M
ACHCAcadia Healthcare Co., Inc.
$7.0M
WEAVWeave Communications, Inc.
$7.0M
SKYWSkywest Inc
$7.0M
PRIMPrimoris Services Corp.
$7.0M
IPARInter Parfums
$7.0M
JBIJanus International Group, Inc
$6.9M
ESABESAB Corporation
$6.9M
ONTOOnto Innovation, Inc.
$6.8M
MHOM/I Homes, Inc.
$6.7M
GIIIG-III Apparel Group Ltd.
$6.7M
FMFFormfactor Inc.
$6.6M
PFBCPreferred Bank
$6.5M
HNIHNI Corp.
$6.5M
NEONeoGenomics, Inc.
$6.4M
MGPIMGP Ingredients, Inc.
$6.3M
FNFabrinet
$6.3M
YOUClear Secure, Inc.
$6.3M
RESRPC, Inc.
$6.2M
THRThermon Group Hldgs Inc.
$6.2M
PLYAPlaya Hotels & Resorts N.V.
$6.1M
SIBNSI-BONE, Inc.
$6.0M
PETQEURPetlQ Inc
$6.0M
UPWKUpwork, Inc.
$5.9M
CPRXCatalyst Pharmaceuticals, Inc.
$5.9M
DVAXDynavax Technologies Corp.
$5.8M
KWRQuaker Chemical Corporation
$5.8M
EZPWEZCorp, Inc.
$5.7M
VCVisteon Corp.
$5.5M
SMCIUSDSuper Micro Computer Inc.
$5.4M
BJRIBJ's Restaurants, Inc.
$5.4M
RAMPLiveramp Hldgs, Inc.
$5.3M
HEESEURH&E Equipment Services, Inc.
$5.2M
AIZAssurant, Inc.
$5.2M
INFA1EURInformatica Corp.
$5.2M
MODModine Mfg Co Com
$5.2M
ATGEAdtalem Global Education Inc.
$5.1M
Rover Group, Inc.
$5.1M
MMSMaximus, Inc.
$5.1M
TASTUSDCarrols Restaurant Group, Inc.
$4.9M
JELDJELD-WEN Holding, Inc.
$4.9M
HURNHuron Consulting Group, Inc.
$4.9M
ANFAbercrombie & Fitch Co.
$4.9M
NXTNextracker, Inc.
$4.8M
MSAMSA Safety Inc
$4.7M
SNCYSun Country Airlines Holdings,
$4.7M
SIMOSilicon Motion Techn ADR
$4.7M
VVXV2X, Inc.
$4.7M
CROXCrocs, Inc.
$4.7M
ATDATI, Inc.
$4.7M
AORTArtivion, Inc
$4.6M
PRLBProto Labs Inc.
$4.6M
OSISOsi Systems, Inc.
$4.6M
8LP1Vital Energy, Inc.
$4.5M
LMBLimbach Hldgs, Inc.
$4.5M
FSLYFastly, Inc.
$4.4M
TSAACI Worldwide Inc.
$4.4M
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