OBERWEIS ASSET MANAGEMENT INC/ Q2 2021 Filing
Filed August 16, 2021
Portfolio Value
$456.5B
Holdings
163
Report Date
Q2 2021
Filing Type
13F-HR
All Holdings (163 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | CSTMConstellium NV Cl A | 6,592,097 | $124.9B | 27.37% | |
| 2 | DAVAEndava Plc Ads | 597,721 | $67.8B | 14.85% | |
| 3 | SESea Ltd | 56,863 | $15.6B | 3.42% | |
| 4 | —ChannelAdvisor Corporation | 418,280 | $10.3B | 2.25% | |
| 5 | ORGOOrganogenesis Hlgs, Inc. | 561,608 | $9.3B | 2.04% | |
| 6 | SYNASynaptics, Inc. | 55,560 | $8.6B | 1.89% | |
| 7 | SSTKShutterstock, Inc. | 76,282 | $7.5B | 1.64% | |
| 8 | DECKDeckers Outdoor Corp. | 19,150 | $7.4B | 1.61% | |
| 9 | INMDInmode Ltd. | 70,660 | $6.7B | 1.47% | |
| 10 | ATECAlphatec Hldgs Inc. | 435,530 | $6.7B | 1.46% | |
| 11 | COHRII-VI Inc. | 79,060 | $5.7B | 1.26% | |
| 12 | CROXCrocs, Inc. | 48,770 | $5.7B | 1.24% | |
| 13 | CSTLCastle Biosciences, Inc. | 74,060 | $5.4B | 1.19% | |
| 14 | ACLSAxcelis Technologies | 128,080 | $5.2B | 1.13% | |
| 15 | UPWKUpwork, Inc. | 85,070 | $5.0B | 1.09% | |
| 16 | SHOPShopify, Inc. | 3,320 | $4.8B | 1.06% | |
| 17 | UCTTUltra Clean Holdings | 86,580 | $4.7B | 1.02% | |
| 18 | CDNACareDx, Inc. | 46,830 | $4.3B | 0.94% | |
| 19 | GU9Guess, Inc | 147,708 | $3.9B | 0.85% | |
| 20 | MBUUMalibu Boats, Inc. | 46,630 | $3.4B | 0.75% | |
| 21 | MODNEURModel N, Inc. | 93,310 | $3.2B | 0.70% | |
| 22 | HALOHalozyme Therapeutics, Inc. | 69,200 | $3.1B | 0.69% | |
| 23 | CDNSCadence Design System, Inc. | 21,524 | $2.9B | 0.65% | |
| 24 | AVNWAviat Networks, Inc. | 89,607 | $2.9B | 0.64% | |
| 25 | ACHCAcadia Healthcare Co., Inc. | 42,995 | $2.7B | 0.59% | |
| 26 | BOOTBoot Barn Hldgs, Inc. | 32,000 | $2.7B | 0.59% | |
| 27 | ANGOAngiodynamics, Inc. | 98,300 | $2.7B | 0.58% | |
| 28 | RRNRed Robin Gourmet Burger | 79,200 | $2.6B | 0.57% | |
| 29 | AMRCAmeresco, Inc. | 40,908 | $2.6B | 0.56% | |
| 30 | VRTVEURVeritiv Corp. | 41,500 | $2.5B | 0.56% | |
| 31 | DOOREURMasonite Intl Corp. | 22,075 | $2.5B | 0.54% | |
| 32 | RDNTRadnet, Inc. | 71,400 | $2.4B | 0.53% | |
| 33 | ZM3Zumiez Inc. | 47,800 | $2.3B | 0.51% | |
| 34 | —Entravision Communications | 331,400 | $2.2B | 0.49% | |
| 35 | BLDRBuilders Firstsource | 46,420 | $2.0B | 0.43% | |
| 36 | AVYAUSDAvaya Hldgs Corp. | 73,260 | $2.0B | 0.43% | |
| 37 | HSIHeidrick & Struggles | 43,500 | $1.9B | 0.42% | |
| 38 | LILI Auto, Inc. ADR | 55,000 | $1.9B | 0.42% | |
| 39 | SPYSPDR S&P 500 ETF Trust | 4,388 | $1.9B | 0.41% | |
| 40 | TREXTrex Company, Inc. | 18,040 | $1.8B | 0.40% | |
| 41 | PRFTUSDPerficient Inc. | 22,500 | $1.8B | 0.40% | |
| 42 | TUPTupperware Corp. | 73,990 | $1.8B | 0.38% | |
| 43 | CLFDClearfield, Inc. | 44,900 | $1.7B | 0.37% | |
| 44 | VCRAUSDVocera Communications, Inc. | 40,426 | $1.6B | 0.35% | |
| 45 | RPDRapid7, Inc. | 17,010 | $1.6B | 0.35% | |
| 46 | TPDTempur Sealy International, In | 39,471 | $1.5B | 0.34% | |
| 47 | CAMTCamtek, Ltd. | 40,980 | $1.5B | 0.34% | |
| 48 | —Golden Nugget Online Gaming, I | 120,300 | $1.5B | 0.34% | |
| 49 | VREXVarex Imaging Corp. | 57,200 | $1.5B | 0.34% | |
| 50 | MOVMovado Group, Inc. | 48,200 | $1.5B | 0.33% | |
| 51 | FLLFull House Resorts, Inc. | 152,543 | $1.5B | 0.33% | |
| 52 | MXLMaxlinear, Inc. Class A | 35,450 | $1.5B | 0.33% | |
| 53 | STRLSterling Construction Co., Inc | 61,600 | $1.5B | 0.33% | |
| 54 | BILIBilibili, Inc. Spon ADR | 12,100 | $1.5B | 0.32% | |
| 55 | ROFKForce, Inc. | 23,100 | $1.5B | 0.32% | |
| 56 | XXYCross Country Healthcare, Inc. | 85,900 | $1.4B | 0.31% | |
| 57 | CVGICommercial Vehicle Group | 131,800 | $1.4B | 0.31% | |
| 58 | IIIInformation Svcs Group, Inc. | 235,000 | $1.4B | 0.30% | |
| 59 | AOSLAlpha & Omega Semiconductor | 45,000 | $1.4B | 0.30% | |
| 60 | DZSIQDZS, Inc. | 65,500 | $1.4B | 0.30% | |
| 61 | DBDEURDiebold, Inc. | 104,300 | $1.3B | 0.29% | |
| 62 | SSUPSuperior Industries Intl. Inc. | 152,498 | $1.3B | 0.29% | |
| 63 | ARNC1EURArconic Corporation | 36,400 | $1.3B | 0.28% | |
| 64 | HCKTHackett Group, Inc. | 72,000 | $1.3B | 0.28% | |
| 65 | FTCHQFarfetch Ltd. | 25,700 | $1.3B | 0.28% | |
| 66 | NOTVInotiv, Inc. | 47,700 | $1.3B | 0.28% | |
| 67 | STIMNeuronetics, Inc. | 78,500 | $1.3B | 0.28% | |
| 68 | QFIN360 DigiTech, Inc. | 30,000 | $1.3B | 0.27% | |
| 69 | —LiqTech International, Inc | 168,729 | $1.2B | 0.27% | |
| 70 | FLXSFlexsteel Inds, Inc. | 30,000 | $1.2B | 0.27% | |
| 71 | —EnPro Industries, Inc. | 12,400 | $1.2B | 0.26% | |
| 72 | MHOM/I Homes, Inc. | 20,300 | $1.2B | 0.26% | |
| 73 | EXTRExtreme Networks, Inc. | 106,200 | $1.2B | 0.26% | |
| 74 | —VOXX International Corporation | 84,000 | $1.2B | 0.26% | |
| 75 | ABT2EURAbsolute Software Corp. | 80,500 | $1.2B | 0.26% | |
| 76 | COHUCohu, Inc. | 31,676 | $1.2B | 0.26% | |
| 77 | FUTUFutu Holdings Ltd. | 6,500 | $1.2B | 0.25% | |
| 78 | LOCOEl Pollo Loco Hldgs, Inc. | 63,000 | $1.2B | 0.25% | |
| 79 | PTENPatterson-Uti Energy, Inc. | 114,000 | $1.1B | 0.25% | |
| 80 | JOUTJohnson Outdoors, Inc. | 9,300 | $1.1B | 0.25% | |
| 81 | VPGVishay Precision Group | 32,800 | $1.1B | 0.24% | |
| 82 | MBWMMercantile Bank Corp. | 36,074 | $1.1B | 0.24% | |
| 83 | BJBJs Wholesale Club Holdings, I | 22,250 | $1.1B | 0.23% | |
| 84 | TBITrueBlue, Inc. | 36,500 | $1.0B | 0.22% | |
| 85 | SHYFShyft Group, Inc. | 27,400 | $1.0B | 0.22% | |
| 86 | PPHMEURAvid Bioservices, Inc. | 39,700 | $1.0B | 0.22% | |
| 87 | AAPLApple, Inc. | 7,334 | $1.0B | 0.22% | |
| 88 | —Cyberoptics Corp. | 24,200 | $991.0M | 0.22% | |
| 89 | HOFTHooker Furniture Corp | 28,500 | $987.0M | 0.22% | |
| 90 | CTSCTS Corp. | 26,000 | $966.0M | 0.21% | |
| 91 | ALNTAllied Motion Technologies | 27,900 | $963.0M | 0.21% | |
| 92 | GFFGriffon Corp. | 36,800 | $943.0M | 0.21% | |
| 93 | EIGEmployers Holdings, Inc. | 22,000 | $942.0M | 0.21% | |
| 94 | RESRPC, Inc. | 189,400 | $938.0M | 0.21% | |
| 95 | OOMAOOMA Inc. | 49,300 | $930.0M | 0.20% | |
| 96 | —Luna Innovations | 85,000 | $921.0M | 0.20% | |
| 97 | MYRGMYR Group, Inc. | 10,100 | $918.0M | 0.20% | |
| 98 | HSTMHealthstream Inc. | 32,600 | $911.0M | 0.20% | |
| 99 | 3TYTitan Machinery, Inc. | 29,000 | $897.0M | 0.20% | |
| 100 | —Antares Pharma, Inc. | 200,600 | $875.0M | 0.19% |
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