OBERWEIS ASSET MANAGEMENT INC/ Diversified Active

Location: Lisle, IL

CIK: 0000937886 · Show all filings

Period: Q1 2021 (← Previous) (Next →)

Filing Date: May 17, 2021

Total Value: $489M (100.0% shares, 0.0% debt)

Holdings (170)

CSTM Constellium NV Cl A 18.7%
Value $91.19M Shares 6,203,397 Est. Cost Unrealized
FVRR Fiverr Intl Ltd. 15.1%
Value $73.76M Shares 339,624 Est. Cost Unrealized
KRNT Kornit Digital Ltd. 8.5%
Value $41.32M Shares 416,851 Est. Cost Unrealized
DAVA Endava Plc Ads 8.2%
Value $40.06M Shares 473,031 Est. Cost Unrealized
SE Sea Ltd 2.3%
Value $11.18M Shares 50,063 Est. Cost Unrealized
ChannelAdvisor Corporation 2.1%
Value $10.08M Shares 427,900 Est. Cost Unrealized
ORGO Organogenesis Hlgs, Inc. 1.8%
Value $8.881M Shares 487,420 Est. Cost Unrealized
UPWK Upwork, Inc. 1.7%
Value $8.299M Shares 185,370 Est. Cost Unrealized
ATEC Alphatec Hldgs Inc. 1.4%
Value $6.876M Shares 435,460 Est. Cost Unrealized
SYNA Synaptics, Inc. 1.4%
Value $6.676M Shares 49,300 Est. Cost Unrealized
CSTL Castle Biosciences, Inc. 1.4%
Value $6.645M Shares 97,070 Est. Cost Unrealized
SSTK Shutterstock, Inc. 1.3%
Value $6.337M Shares 71,169 Est. Cost Unrealized
II-VI Inc. 1.2%
Value $5.672M Shares 82,960 Est. Cost Unrealized
DECK Deckers Outdoor Corp. 1.1%
Value $5.326M Shares 16,120 Est. Cost Unrealized
INMD Inmode Ltd. 1.1%
Value $5.222M Shares 72,160 Est. Cost Unrealized
Tupperware Corp. 1.1%
Value $5.135M Shares 194,440 Est. Cost Unrealized
UCTT Ultra Clean Holdings 1.0%
Value $4.655M Shares 80,210 Est. Cost Unrealized
CDNA CareDx, Inc. 0.9%
Value $4.483M Shares 65,840 Est. Cost Unrealized
VNET 21Vianet Group, Inc. - ADR 0.9%
Value $4.257M Shares 131,800 Est. Cost Unrealized
BJ BJs Wholesale Club Holdings, I 0.8%
Value $3.895M Shares 86,830 Est. Cost Unrealized
MBUU Malibu Boats, Inc. 0.7%
Value $3.646M Shares 45,760 Est. Cost Unrealized
Model N, Inc. 0.7%
Value $3.334M Shares 94,640 Est. Cost Unrealized
SHOP Shopify, Inc. 0.7%
Value $3.231M Shares 2,920 Est. Cost Unrealized
AVNW Aviat Networks, Inc. 0.6%
Value $3.019M Shares 42,500 Est. Cost Unrealized
ACLS Axcelis Technologies 0.6%
Value $2.974M Shares 72,380 Est. Cost Unrealized
HALO Halozyme Therapeutics, Inc. 0.6%
Value $2.872M Shares 68,900 Est. Cost Unrealized
CDNS Cadence Design System, Inc. 0.5%
Value $2.661M Shares 19,424 Est. Cost Unrealized
Masonite Intl Corp. 0.5%
Value $2.627M Shares 22,795 Est. Cost Unrealized
BILI Bilibili, Inc. Spon ADR 0.5%
Value $2.623M Shares 24,500 Est. Cost Unrealized
Golden Nugget Online Gaming, I 0.5%
Value $2.368M Shares 175,400 Est. Cost Unrealized
Angiodynamics, Inc. 0.5%
Value $2.3M Shares 98,300 Est. Cost Unrealized
AMRC Ameresco, Inc. 0.4%
Value $2.091M Shares 43,008 Est. Cost Unrealized
RPD Rapid7, Inc. 0.4%
Value $1.961M Shares 26,280 Est. Cost Unrealized
MX Magnachip Semiconductor Corp. 0.4%
Value $1.8M Shares 72,300 Est. Cost Unrealized
Vonage Hldgs Corp 0.4%
Value $1.787M Shares 151,210 Est. Cost Unrealized
BOOT Boot Barn Hldgs, Inc. 0.4%
Value $1.77M Shares 28,400 Est. Cost Unrealized
SPY SPDR S&P 500 ETF Trust 0.4%
Value $1.735M Shares 4,377 Est. Cost Unrealized
ZUMZ Zumiez Inc. 0.4%
Value $1.729M Shares 40,300 Est. Cost Unrealized
TREX Trex Company, Inc. 0.3%
Value $1.67M Shares 18,240 Est. Cost Unrealized
Avid Bioservices, Inc. 0.3%
Value $1.575M Shares 86,400 Est. Cost Unrealized
SGI Tempur Sealy International, In 0.3%
Value $1.567M Shares 42,865 Est. Cost Unrealized
MHO M/I Homes, Inc. 0.3%
Value $1.554M Shares 26,300 Est. Cost Unrealized
Heidrick & Struggles 0.3%
Value $1.554M Shares 43,500 Est. Cost Unrealized
Veritiv Corp. 0.3%
Value $1.531M Shares 36,000 Est. Cost Unrealized
Diebold, Inc. 0.3%
Value $1.474M Shares 104,300 Est. Cost Unrealized
ACHC Acadia Healthcare Co., Inc. 0.3%
Value $1.464M Shares 25,625 Est. Cost Unrealized
MGNI Magnite, Inc. 0.3%
Value $1.455M Shares 34,967 Est. Cost Unrealized
KFRC KForce, Inc. 0.3%
Value $1.447M Shares 27,000 Est. Cost Unrealized
CVGI Commercial Vehicle Group 0.3%
Value $1.389M Shares 143,900 Est. Cost Unrealized
CRAI CRA Int'l Inc. 0.3%
Value $1.381M Shares 18,500 Est. Cost Unrealized
CAMT Camtek, Ltd. 0.3%
Value $1.375M Shares 45,980 Est. Cost Unrealized
CCRN Cross Country Healthcare, Inc. 0.3%
Value $1.373M Shares 109,900 Est. Cost Unrealized
LiqTech International, Inc 0.3%
Value $1.365M Shares 168,729 Est. Cost Unrealized
UPLD Upland Software, Inc. 0.3%
Value $1.35M Shares 28,600 Est. Cost Unrealized
RDNT Radnet, Inc. 0.3%
Value $1.349M Shares 62,000 Est. Cost Unrealized
COHU Cohu, Inc. 0.3%
Value $1.325M Shares 31,676 Est. Cost Unrealized
CROX Crocs, Inc. 0.3%
Value $1.325M Shares 16,470 Est. Cost Unrealized
Perficient Inc. 0.3%
Value $1.321M Shares 22,500 Est. Cost Unrealized
FLL Full House Resorts, Inc. 0.3%
Value $1.298M Shares 152,543 Est. Cost Unrealized
VOXX International Corporation 0.3%
Value $1.285M Shares 67,400 Est. Cost Unrealized
MXL Maxlinear, Inc. Class A 0.3%
Value $1.263M Shares 37,050 Est. Cost Unrealized
APPS Digital Turbine, Inc. 0.2%
Value $1.211M Shares 15,075 Est. Cost Unrealized
MOV Movado Group, Inc. 0.2%
Value $1.209M Shares 42,500 Est. Cost Unrealized
TCOM Trip.com Group Limited 0.2%
Value $1.189M Shares 30,000 Est. Cost Unrealized
Vocera Communications, Inc. 0.2%
Value $1.186M Shares 30,826 Est. Cost Unrealized
Entravision Communications 0.2%
Value $1.185M Shares 293,300 Est. Cost Unrealized
MBWM Mercantile Bank Corp. 0.2%
Value $1.184M Shares 36,472 Est. Cost Unrealized
Daseke, Inc. 0.2%
Value $1.168M Shares 137,600 Est. Cost Unrealized
HIMX HiMax Technolgies ADR 0.2%
Value $1.16M Shares 85,000 Est. Cost Unrealized
PDD Pinduoduo Inc. 0.2%
Value $1.138M Shares 8,500 Est. Cost Unrealized
BLDR Builders Firstsource 0.2%
Value $1.062M Shares 22,900 Est. Cost Unrealized
EnPro Industries, Inc. 0.2%
Value $1.057M Shares 12,400 Est. Cost Unrealized
FLXS Flexsteel Inds, Inc. 0.2%
Value $1.046M Shares 30,000 Est. Cost Unrealized
FTCHQ Farfetch Ltd. 0.2%
Value $1.023M Shares 19,300 Est. Cost Unrealized
RES RPC, Inc. 0.2%
Value $1.023M Shares 189,400 Est. Cost Unrealized
Shyft Group, Inc. 0.2%
Value $1.019M Shares 27,400 Est. Cost Unrealized
HCKT Hackett Group, Inc. 0.2%
Value $1.016M Shares 62,000 Est. Cost Unrealized
GFF Griffon Corp. 0.2%
Value $1M Shares 36,800 Est. Cost Unrealized
NOTV Inotiv, Inc. 0.2%
Value $1M Shares 50,000 Est. Cost Unrealized
COLL Collegium Pharmaceutical, Inc. 0.2%
Value $976K Shares 41,200 Est. Cost Unrealized
STIM Neuronetics, Inc. 0.2%
Value $971K Shares 78,500 Est. Cost Unrealized
ALNT Allied Motion Technologies 0.2%
Value $955K Shares 18,600 Est. Cost Unrealized
EIG Employers Holdings, Inc. 0.2%
Value $947K Shares 22,000 Est. Cost Unrealized
OOMA OOMA Inc. 0.2%
Value $941K Shares 59,400 Est. Cost Unrealized
CEVA Ceva Inc. 0.2%
Value $932K Shares 16,600 Est. Cost Unrealized
EXTR Extreme Networks, Inc. 0.2%
Value $929K Shares 106,200 Est. Cost Unrealized
Absolute Software Corp. 0.2%
Value $920K Shares 66,300 Est. Cost Unrealized
DQ Daqo New Energy Corp. 0.2%
Value $906K Shares 12,000 Est. Cost Unrealized
AAPL Apple, Inc. 0.2%
Value $905K Shares 7,413 Est. Cost Unrealized
LUNA Luna Innovations 0.2%
Value $895K Shares 85,000 Est. Cost Unrealized
VPG Vishay Precision Group 0.2%
Value $893K Shares 29,000 Est. Cost Unrealized
JOUT Johnson Outdoors, Inc. 0.2%
Value $857K Shares 6,000 Est. Cost Unrealized
RBBN Ribbon Communications, Inc. 0.2%
Value $832K Shares 101,400 Est. Cost Unrealized
Antares Pharma, Inc. 0.2%
Value $824K Shares 200,600 Est. Cost Unrealized
PTEN Patterson-Uti Energy, Inc. 0.2%
Value $813K Shares 114,000 Est. Cost Unrealized
FFWM First Foundation Inc. 0.2%
Value $769K Shares 32,800 Est. Cost Unrealized
STRT Strattec Security Corp. 0.2%
Value $755K Shares 16,100 Est. Cost Unrealized
MYRG MYR Group, Inc. 0.1%
Value $724K Shares 10,100 Est. Cost Unrealized
IMXI International Money Express, I 0.1%
Value $720K Shares 48,000 Est. Cost Unrealized
TME Tencent Music Entertainment 0.1%
Value $717K Shares 35,000 Est. Cost Unrealized
FUTU Futu Holdings Ltd. 0.1%
Value $715K Shares 4,500 Est. Cost Unrealized
Air Transport Services Group, 0.1%
Value $702K Shares 24,000 Est. Cost Unrealized
MSFT Microsoft Corp. 0.1%
Value $679K Shares 2,880 Est. Cost Unrealized
JPM JP Morgan Chase & Company Inc. 0.1%
Value $674K Shares 4,430 Est. Cost Unrealized
Adtran, Inc. 0.1%
Value $664K Shares 39,800 Est. Cost Unrealized
CLFD Clearfield, Inc. 0.1%
Value $651K Shares 21,600 Est. Cost Unrealized
Amedisys Inc. 0.1%
Value $636K Shares 2,402 Est. Cost Unrealized
QFIN 360 DigiTech, Inc. 0.1%
Value $624K Shares 24,000 Est. Cost Unrealized
HP Helmerich & Payne 0.1%
Value $620K Shares 22,981 Est. Cost Unrealized
VREX Varex Imaging Corp. 0.1%
Value $615K Shares 30,000 Est. Cost Unrealized
LOCO El Pollo Loco Hldgs, Inc. 0.1%
Value $613K Shares 38,000 Est. Cost Unrealized
BIDU Baidu Inc. Spon ADR 0.1%
Value $600K Shares 2,760 Est. Cost Unrealized
XPEV XPeng, Inc. 0.1%
Value $548K Shares 15,000 Est. Cost Unrealized
NGVC Natural Grocers By Vitamin C 0.1%
Value $548K Shares 31,200 Est. Cost Unrealized
TAL Tal Education Group ADR 0.1%
Value $539K Shares 10,000 Est. Cost Unrealized
ACMR ACM Research, Inc. Class A 0.1%
Value $485K Shares 6,000 Est. Cost Unrealized
PLPC Preformed Line Prods Co. 0.1%
Value $481K Shares 7,000 Est. Cost Unrealized
MA Mastercard, Inc. 0.1%
Value $478K Shares 1,344 Est. Cost Unrealized
KC Kingsoft Cloud Holdings Limite 0.1%
Value $476K Shares 12,100 Est. Cost Unrealized
BABA Alibaba Group Holding Ltd ADR 0.1%
Value $435K Shares 1,920 Est. Cost Unrealized
Helix Energy Solutions Group, 0.1%
Value $421K Shares 83,300 Est. Cost Unrealized
JNJ Johnson & Johnson 0.1%
Value $409K Shares 2,487 Est. Cost Unrealized
ARAY Accuray Inc. 0.1%
Value $401K Shares 81,000 Est. Cost Unrealized
AMGN Amgen, Inc. 0.1%
Value $372K Shares 1,495 Est. Cost Unrealized
NEM Newmont Mining 0.1%
Value $372K Shares 6,176 Est. Cost Unrealized
INTC Intel Corporation 0.1%
Value $370K Shares 5,787 Est. Cost Unrealized
TRV The Travelers Co., Inc. 0.1%
Value $367K Shares 2,440 Est. Cost Unrealized
Zhihu, Inc 0.1%
Value $365K Shares 45,000 Est. Cost Unrealized
SEM Select Medical Hldgs. Corp 0.1%
Value $317K Shares 9,300 Est. Cost Unrealized
AMZN Amazon.com 0.1%
Value $309K Shares 100 Est. Cost Unrealized
ADNT Adient Plc 0.1%
Value $305K Shares 6,900 Est. Cost Unrealized
CLH Clean Harbors, Inc. 0.1%
Value $303K Shares 3,600 Est. Cost Unrealized
At Home Group, Inc. 0.1%
Value $293K Shares 10,200 Est. Cost Unrealized
CNXC Concentrix Corp. 0.1%
Value $284K Shares 1,900 Est. Cost Unrealized
RMD Resmed Inc. 0.1%
Value $281K Shares 1,450 Est. Cost Unrealized
AEIS Advanced Energy Industry, Inc. 0.1%
Value $273K Shares 2,500 Est. Cost Unrealized
UFPI Universal FST Prods Inc. 0.1%
Value $265K Shares 3,500 Est. Cost Unrealized
Beacon Roofing Supply 0.1%
Value $262K Shares 5,000 Est. Cost Unrealized
CVLT Commvault Systems, Inc. 0.1%
Value $252K Shares 3,900 Est. Cost Unrealized
Hillenbrand, Inc. 0.1%
Value $248K Shares 5,200 Est. Cost Unrealized
ICFI ICF International, Inc. 0.1%
Value $245K Shares 2,800 Est. Cost Unrealized
GDOT Green Dot Corp. Cl A 0.0%
Value $243K Shares 5,300 Est. Cost Unrealized
MCD McDonald's Corporation 0.0%
Value $241K Shares 1,076 Est. Cost Unrealized
WMT Wal Mart Stores Inc. 0.0%
Value $239K Shares 1,758 Est. Cost Unrealized
Headhunter Group Plc Spon ADR 0.0%
Value $231K Shares 6,800 Est. Cost Unrealized
Nextgen Healthcare, Inc. 0.0%
Value $230K Shares 12,700 Est. Cost Unrealized
AMKR Amkor Technology Inc. 0.0%
Value $230K Shares 9,700 Est. Cost Unrealized
STC Stewart Information Services 0.0%
Value $229K Shares 4,400 Est. Cost Unrealized
2U, Inc. 0.0%
Value $229K Shares 6,000 Est. Cost Unrealized
Realogy Hldgs Corp. 0.0%
Value $227K Shares 15,000 Est. Cost Unrealized
TTEC TTEC Hldgs, Inc. 0.0%
Value $221K Shares 2,200 Est. Cost Unrealized
TDC Teradata Corp 0.0%
Value $220K Shares 5,700 Est. Cost Unrealized
CENT Central Garden & Pet Co. 0.0%
Value $220K Shares 3,800 Est. Cost Unrealized
MTSI Macom Technology Solutions 0.0%
Value $220K Shares 3,800 Est. Cost Unrealized
BHP BHP Billiton Ltd. ADR 0.0%
Value $211K Shares 3,043 Est. Cost Unrealized
MMSI Merit Medical System Inc 0.0%
Value $210K Shares 3,500 Est. Cost Unrealized
PFSI PennyMac Finl Svcs, Inc. 0.0%
Value $207K Shares 3,100 Est. Cost Unrealized
Alphabet, Inc. Cl C 0.0%
Value $207K Shares 100 Est. Cost Unrealized
Guess, Inc 0.0%
Value $207K Shares 8,800 Est. Cost Unrealized
BK Bank of New York Mellon Corp. 0.0%
Value $201K Shares 4,247 Est. Cost Unrealized
ASGN ASGN, Inc. 0.0%
Value $200K Shares 2,100 Est. Cost Unrealized
GPRK Geopark Ltd. 0.0%
Value $200K Shares 12,500 Est. Cost Unrealized
Cornerstone Ondemand, Inc. 0.0%
Value $200K Shares 4,600 Est. Cost Unrealized
OPCH Option Care Health Inc. 0.0%
Value $181K Shares 10,200 Est. Cost Unrealized
NOV NOV, Inc. 0.0%
Value $176K Shares 12,800 Est. Cost Unrealized
American Power Corp 0.0%
Value $0 Shares 10,000 Est. Cost Unrealized
AMR Corp Escrow 0.0%
Value $0 Shares 18,000 Est. Cost Unrealized
Titan Oil & Gas, Inc. 0.0%
Value $0 Shares 10,000 Est. Cost Unrealized
ATAR Avatar Ventures 0.0%
Value $0 Shares 10,000 Est. Cost Unrealized
Xenacare Hldgs, Inc. 0.0%
Value $0 Shares 140,000 Est. Cost Unrealized