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Oberweis Asset Management Inc/

Q4 2020 Holdings

Filed 2021-02-16 | 138 holdings | $52.5M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Castle Biosciences, Inc.(CSTL)com14843C105$11.0M163,11020.9%
CareDx, Inc.(CDNA)com14167L103$8.9M123,24017.0%
Bandwidth, Inc.(BAND)com05988J103$4.5M29,1508.5%
Alphatec Hldgs Inc.(ATEC)com02081G201$3.8M263,4007.3%
Addus Homecare Corp.(ADUS)com006739106$2.6M22,6005.0%
Caci International, Inc.(CACI)com127190304$2.5M10,2254.9%
Crocs, Inc.(CROX)com227046109$2.0M31,3003.7%
Ameresco, Inc.(AMRC)com02361E108$1.9M36,8083.7%
Bilibili, Inc. Spon ADR(BILI)com090040106$1.9M22,2003.6%
BJs Wholesale Club Holdings, I(BJ)com05550J101$1.7M46,3303.3%
Axcelis Technologies(ACLS)com054540208$1.4M49,3202.7%
Acadia Healthcare Co., Inc.(ACHC)com00404A109$1.3M26,1952.5%
Boot Barn Hldgs, Inc.(BOOT)com099406100$1.2M28,4002.3%
Cohu, Inc.(COHU)com192576106$1.2M31,6762.3%
Collegium Pharmaceutical, Inc.(COLL)com19459J104$921.0K46,0001.8%
Commercial Vehicle Group(CVGI)com202608105$848.0K98,0001.6%
Ceva Inc.(CEVA)com157210105$755.0K16,6001.4%
Cross Country Healthcare, Inc.(CCRN)com227483104$566.0K63,8001.1%
Cadence Design System, Inc.(CDNS)com127387108$540.0K3,9561.0%
Clearfield, Inc.(CLFD)com18482P103$534.0K21,6001.0%
Alibaba Group Holding Ltd ADR(BABA)com01609W102$468.0K2,0100.9%
Accuray Inc.(ARAY)com004397105$349.0K83,8000.7%
Chegg, Inc.(CHGG)com163092109$307.0K3,4000.6%
Clean Harbors, Inc.(CLH)com184496107$304.0K4,0000.6%
Arcosa, Inc.(ACA)com039653100$253.0K4,6000.5%
Builders Firstsource(BLDR)com12008R107$241.0K5,9000.5%
Constellium NV Cl A(CSTM)comF21107101$89.3K6,380,7970.2%
Fiverr Intl Ltd.(FVRR)comM4R82T106$68.1K349,2240.1%
Endava Plc Ads(DAVA)com29260V105$36.0K469,4310.1%
Upwork, Inc.(UPWK)com91688F104$13.8K401,0500.0%
Magnite, Inc.(MGNI)com55955D100$8.5K275,8570.0%
ChannelAdvisor Corporation(ECOM1USD)com159179100$5.0K314,8100.0%
Tupperware Corp.(TUP)com899896104$4.7K145,7800.0%
Deckers Outdoor Corp.(DECK)com243537107$4.6K16,1900.0%
Shutterstock, Inc.(SSTK)com825690100$4.1K57,2300.0%
21Vianet Group, Inc.(VNET)com90138A103$3.8K109,1000.0%
Inphi Corp.(IPHI)com45772F107$3.7K23,1100.0%
Tandem Diabetes Care, Inc.(TNDM)com875372203$3.5K36,9800.0%
Model N, Inc.(MODNEUR)com607525102$3.0K84,4800.0%
Digital Turbine, Inc.(APPS)com25400W102$2.9K51,2750.0%
II-VI Inc.com902104108$2.7K36,0400.0%
Rapid7, Inc.(RPD)com753422104$2.5K27,5600.0%
Golden Nugget Online Gaming, Icom38113L107$2.4K120,1000.0%
Tal Education Group ADR(TAL)com874080104$2.1K30,0000.0%
Sea Ltd(SE)com81141R100$2.1K10,7640.0%
Pinduoduo Inc.(PDD)com722304102$2.0K11,0000.0%
Synaptics, Inc.(SYNA)com87157D109$1.9K19,9300.0%
Shyft Group, Inc.(SHYF)com825698103$1.9K66,6000.0%
Trex Company, Inc.(TREX)com89531P105$1.8K21,1900.0%
Inmode Ltd.(INMD)comM5425M103$1.6K34,6000.0%
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