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Oberweis Asset Management Inc/

Q1 2024 Holdings

Filed 2024-05-15 | 196 holdings | $1.4B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Constellium NV Cl A(CSTM)comF21107101$39.9M1,803,2712.9%
Weatherford International PLC(WFRD)comG48833118$25.6M222,1001.9%
Axcelis Technologies(ACLS)com054540208$23.3M209,3391.7%
Onto Innovation, Inc.(ONTO)com683344105$19.4M106,9301.4%
Alphatec Hldgs Inc.(ATEC)com02081G201$19.1M1,385,8801.4%
Vertiv Holdings Co.(VRT)com92537N108$18.8M229,6501.4%
Adma Biologics, Inc.(ADMA)com000899104$18.4M2,790,7001.3%
Amphastar Pharmaceuticals, Inc(AMPH)com03209R103$18.3M417,8651.3%
Skywest Inc(SKYW)com830879102$18.1M262,3601.3%
Encompass Health Corporation(EHC)com29261A100$16.9M204,1361.2%
Silicon Motion Techn ADR(SIMO)com82706C108$16.7M217,4001.2%
Oshkosh Corp.(OSK)com688239201$16.7M133,8271.2%
Clean Harbors, Inc.(CLH)com184496107$16.4M81,2951.2%
Aerovironment, Inc.(AVAV)com008073108$15.6M101,5701.1%
Camtek, Ltd.(CAMT)comM20791105$14.9M178,1801.1%
Veracyte, Inc.(VCYT)com92337F107$14.9M671,7001.1%
Ultra Clean Holdings(UCTT)com90385V107$14.7M319,6001.1%
TransMedics Group, Inc.(TMDX)com89377M109$14.7M198,2001.1%
SharkNinja, Inc.(SN)comG8068L108$14.7M235,2001.1%
ICF International, Inc.(ICFI)com44925C103$14.6M96,9001.1%
Esab Corporation(ESAB)com29605J106$14.3M129,2001.0%
Parsons Corp.(PSN)com70202L102$14.3M172,1401.0%
Crocs, Inc.(CROX)com227046109$13.7M95,4001.0%
Nextracker, Inc.(NXT)com65290E101$13.3M235,7001.0%
Universal Display Corp.(OLED)com91347P105$13.0M77,4420.9%
Zeta Global Holdings Corp.(ZETA)com98956A105$12.9M1,181,9800.9%
ACM Research, Inc. Class A(ACMR)com00108J109$12.9M441,1300.9%
Flowserve Corporation(FLS)com34354P105$12.5M274,3780.9%
Haemonetics Corp.(HAE)com405024100$12.3M143,6950.9%
Acadia Healthcare Co., Inc.(ACHC)com00404A109$12.0M151,6500.9%
Aehr Test Systems(AEHR)com00760J108$12.0M967,8520.9%
Merit Medical System Inc(MMSI)com589889104$11.9M156,4900.9%
Applied Optoelectronics Inc.(AAOI)com03823U102$11.8M849,6150.9%
Century Communities, Inc.(CCS)com156504300$11.7M121,2000.8%
FirstCash Holdings, Inc(FCFS)com33768G107$11.7M91,7000.8%
Itron Inc(ITRI)com465741106$11.6M125,6000.8%
NeoGenomics, Inc.(NEO)com64049M209$11.6M737,2000.8%
Blue Bird Corporation(BLBD)com095306106$11.5M299,1000.8%
ACI Worldwide Inc.(ACIW)com004498101$11.4M344,5620.8%
LivaNova Plc(LIVN)comG5509L101$11.3M202,5000.8%
Integer Holdings Corporation(ITGR)com45826H109$11.3M96,7000.8%
Axonics, Inc.(AXNX*)com05465P101$11.3M163,5700.8%
Silicon Laboratories, Inc.(SLAB)com826919102$11.2M78,0000.8%
Evolent Health, Inc.(EVH)com30050B101$11.1M338,9400.8%
Azek Co., Inc.(AZEK)com05478C105$11.1M220,9000.8%
Federal Signal Corp.(FSS)com313855108$10.8M127,8300.8%
Informatica Corp.(INFA1EUR)com45674M101$10.8M309,0000.8%
Formfactor Inc.(FORM)com346375108$10.8M236,7000.8%
Ceco Environmental Corp.(CECO)com125141101$10.7M463,4000.8%
Sterling Construction Co., Inc(STRL)com859241101$10.7M96,6000.8%
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