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Oberweis Asset Management Inc/

Q4 2021 Holdings

Filed 2022-02-14 | 160 holdings | $70.1M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Axcelis Technologies(ACLS)com054540208$11.6M155,00016.5%
Alphatec Hldgs Inc.(ATEC)com02081G201$7.7M674,17011.0%
Cadence Design System, Inc.(CDNS)com127387108$6.9M36,9009.8%
Crocs, Inc.(CROX)com227046109$6.4M49,9609.1%
Angiodynamics, Inc.(ANGO)com03475V101$5.6M204,2108.0%
Builders Firstsource(BLDR)com12008R107$4.3M49,8806.1%
Boot Barn Hldgs, Inc.(BOOT)com099406100$3.8M30,5005.4%
Clearfield, Inc.(CLFD)com18482P103$3.4M40,0004.8%
Acadia Healthcare Co., Inc.(ACHC)com00404A109$2.9M47,0954.1%
Ameresco, Inc.(AMRC)com02361E108$2.8M34,6084.0%
Aviat Networks, Inc.(AVNW)com05366Y201$2.6M82,1073.8%
Aehr Test Systems(AEHR)com00760J108$2.2M91,8003.2%
Cross Country Healthcare, Inc.(CCRN)com227483104$2.2M77,9003.1%
BJs Wholesale Club Holdings, I(BJ)com05550J101$1.7M24,6902.4%
Castle Biosciences, Inc.(CSTL)com14843C105$1.1M26,2601.6%
Cohu, Inc.(COHU)com192576106$1.1M28,5761.6%
Amtech Systems, Inc.(ASYS)com032332504$1.0M102,5001.4%
Cerus Corp.(CERS)com157085101$975.0K143,1001.4%
CarGurus, Inc.(CARG)com141788109$592.0K17,6000.8%
Amphastar Pharmaceuticals, Inc(AMPH)com03209R103$314.0K13,5000.4%
Clean Harbors, Inc.(CLH)com184496107$289.0K2,9000.4%
BRP Group, Inc.(BWIN)com05589G102$267.0K7,4000.4%
Constellium NV Cl A(CSTM)comF21107101$98.4K5,491,6970.1%
Nova Measuring Instruments(NVMI)comM7516K103$77.7K530,2000.1%
Endava Plc Ads(DAVA)com29260V105$68.7K409,1870.1%
Synaptics, Inc.(SYNA)com87157D109$14.9K51,6200.0%
ChannelAdvisor Corporation(ECOM1USD)com159179100$9.4K382,7500.0%
Sea Ltd(SE)com81141R100$8.8K39,2000.0%
Shutterstock, Inc.(SSTK)com825690100$8.2K73,5150.0%
Ultra Clean Holdings(UCTT)com90385V107$8.1K141,6300.0%
Datadog, Inc. Class A(DDOG)com23804L103$7.6K42,8000.0%
Deckers Outdoor Corp.(DECK)com243537107$7.6K20,8100.0%
Materion Corp.(MTRN)com576690101$6.4K69,6570.0%
Inmode Ltd.(INMD)comM5425M103$5.6K79,4000.0%
Veritiv Corp.(VRTVEUR)com923454102$5.2K42,2420.0%
Guess, Inc(GU9)com401617105$4.8K204,7810.0%
Alpha & Omega Semiconductor(AOSL)comG6331P104$4.5K74,0000.0%
Halozyme Therapeutics, Inc.(HALO)com40637H109$4.2K105,6500.0%
Vocera Communications, Inc.com92857F107$4.0K61,3260.0%
Shopify, Inc.(SHOP)com82509L107$3.6K2,6000.0%
Lantheus Hldgs Inc.(LNTH)com516544103$3.1K107,1000.0%
Varex Imaging Corp.(VREX)com92214X106$3.1K97,6000.0%
Rapid7, Inc.(RPD)com753422104$2.7K23,0900.0%
Model N, Inc.(MODNEUR)com607525102$2.6K88,1900.0%
Maxlinear, Inc. Class A(MXL)com57776J100$2.6K34,8500.0%
Belden, Inc.(BDC)com077454106$2.6K39,2700.0%
Masonite Intl Corp.(DOOREUR)com575385109$2.6K21,6750.0%
Extreme Networks, Inc.(EXTR)com30226D106$2.5K160,4000.0%
Zumiez Inc.(ZUMZ)com989817101$2.5K51,3000.0%
Everi Hldgs, Inc.(G2C)com30034T103$2.4K113,8000.0%
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