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Oberweis Asset Management Inc/

Q4 2023 Holdings

Filed 2024-02-14 | 192 holdings | $1.1B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Constellium NV Cl A(CSTM)comF21107101$36.9M1,850,3713.4%
Axcelis Technologies(ACLS)com054540208$31.8M245,3293.0%
Aehr Test Systems(AEHR)com00760J108$28.9M1,091,2022.7%
Alphatec Hldgs Inc.(ATEC)com02081G201$24.3M1,607,8202.3%
Weatherford International PLC(WFRD)comG48833118$23.5M240,0602.2%
Amphastar Pharmaceuticals, Inc(AMPH)com03209R103$21.0M340,2652.0%
Veracyte, Inc.(VCYT)com92337F107$18.1M656,8101.7%
Applied Optoelectronics Inc.(AAOI)com03823U102$17.2M891,9151.6%
TransMedics Group, Inc.(TMDX)com89377M109$16.8M212,9001.6%
Perion Network, Ltd.(PERI)comM78673114$14.1M456,2901.3%
Universal Display Corp.(OLED)com91347P105$12.7M66,5421.2%
Adma Biologics, Inc.(ADMA)com000899104$12.3M2,710,7001.1%
Camtek, Ltd.(CAMT)comM20791105$12.1M174,4801.1%
Vertiv Holdings Co.(VRT)com92537N108$11.2M233,6721.0%
Axonics, Inc.(AXNX*)com05465P101$11.1M178,4701.0%
Oshkosh Corp.(OSK)com688239201$10.7M98,8991.0%
Flowserve Corporation(FLS)com34354P105$10.1M245,2710.9%
Clean Harbors, Inc.(CLH)com184496107$10.0M57,0550.9%
Encompass Health Corporation(EHC)com29261A100$9.7M145,2450.9%
Frontdoor, Inc.(FTDR)com35905A109$9.5M271,1000.9%
Haemonetics Corp.(HAE)com405024100$9.1M105,8800.8%
ICF International, Inc.(ICFI)com44925C103$8.9M66,1000.8%
Aerovironment, Inc.(AVAV)com008073108$8.8M69,8000.8%
Ceco Environmental Corp.(CECO)com125141101$8.7M426,7000.8%
Ultra Clean Holdings(UCTT)com90385V107$8.4M247,1000.8%
Parsons Corp.(PSN)com70202L102$8.3M133,0000.8%
Bel Fuse, Inc.(BELFB)com077347300$8.3M124,3000.8%
Zeta Global Holdings Corp.(ZETA)com98956A105$8.3M935,4800.8%
Merit Medical System Inc(MMSI)com589889104$8.1M107,0900.8%
Power Integrations(POWI)com739276103$8.1M98,1950.8%
Deckers Outdoor Corp.(DECK)com243537107$8.1M12,0450.7%
FirstCash Holdings, Inc(FCFS)com33768G107$8.0M74,2000.7%
Allegro MicroSystems, Inc.(ALGM)com01749D105$7.8M257,9800.7%
Photronics, Inc.(PLAB)com719405102$7.8M247,5000.7%
Navitas Semiconductor Corp.(NVTS)com63942X106$7.7M959,9000.7%
Sterling Construction Co., Inc(STRL)com859241101$7.7M88,0000.7%
Blue Bird Corporation(BLBD)com095306106$7.7M286,7000.7%
ACM Research, Inc. Class A(ACMR)com00108J109$7.7M393,4000.7%
Federal Signal Corp.(FSS)com313855108$7.6M98,8300.7%
Veeco Instruments, Inc.(VECO)com922417100$7.4M240,0000.7%
SPX Technologies, Inc.(SPXC)com78473E103$7.4M73,0000.7%
Evolent Health, Inc.(EVH)com30050B101$7.1M214,5400.7%
Woodward, Inc.(WWD)com980745103$7.1M52,0000.7%
Integer Holdings Corporation(ITGR)com45826H109$7.0M71,0000.7%
Acadia Healthcare Co., Inc.(ACHC)com00404A109$7.0M90,2000.7%
Weave Communications, Inc.(WEAV)com94724R108$7.0M609,4000.7%
Skywest Inc(SKYW)com830879102$7.0M133,7000.7%
Primoris Services Corp.(PRIM)com74164F103$7.0M209,9000.6%
Inter Parfums(IPAR)com458334109$7.0M48,4000.6%
Janus International Group, Inc(JBI)com47103N106$6.9M528,4000.6%
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