OBERWEIS ASSET MANAGEMENT INC/ Q3 2021 Filing
Filed November 15, 2021
Portfolio Value
$482.9B
Holdings
162
Report Date
Q3 2021
Filing Type
13F-HR
All Holdings (162 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | CSTMConstellium NV Cl A | 6,497,497 | $122.0B | 25.27% | |
| 2 | DAVAEndava Plc Ads | 592,021 | $80.4B | 16.65% | |
| 3 | SESea Ltd | 91,600 | $29.2B | 6.05% | |
| 4 | SYNASynaptics, Inc. | 57,120 | $10.3B | 2.13% | |
| 5 | —ChannelAdvisor Corporation | 389,930 | $9.8B | 2.04% | |
| 6 | SSTKShutterstock, Inc. | 74,323 | $8.4B | 1.74% | |
| 7 | GLBEGlobal-e Online Ltd. | 107,400 | $7.7B | 1.60% | |
| 8 | ORGOOrganogenesis Hlgs, Inc. | 509,058 | $7.2B | 1.50% | |
| 9 | SHOPShopify, Inc. | 5,340 | $7.2B | 1.50% | |
| 10 | ACLSAxcelis Technologies | 153,870 | $7.2B | 1.50% | |
| 11 | ATECAlphatec Hldgs Inc. | 580,030 | $7.1B | 1.46% | |
| 12 | DECKDeckers Outdoor Corp. | 19,230 | $6.9B | 1.43% | |
| 13 | CROXCrocs, Inc. | 47,970 | $6.9B | 1.43% | |
| 14 | INMDInmode Ltd. | 40,090 | $6.4B | 1.32% | |
| 15 | GU9Guess, Inc | 255,367 | $5.4B | 1.11% | |
| 16 | CDNSCadence Design System, Inc. | 33,900 | $5.1B | 1.06% | |
| 17 | MBUUMalibu Boats, Inc. | 54,750 | $3.8B | 0.79% | |
| 18 | UCTTUltra Clean Holdings | 89,480 | $3.8B | 0.79% | |
| 19 | VRTVEURVeritiv Corp. | 41,222 | $3.7B | 0.76% | |
| 20 | CDNACareDx, Inc. | 47,850 | $3.0B | 0.63% | |
| 21 | MODNEURModel N, Inc. | 90,140 | $3.0B | 0.63% | |
| 22 | BOOTBoot Barn Hldgs, Inc. | 32,300 | $2.9B | 0.59% | |
| 23 | HALOHalozyme Therapeutics, Inc. | 69,980 | $2.8B | 0.59% | |
| 24 | ACHCAcadia Healthcare Co., Inc. | 43,695 | $2.8B | 0.58% | |
| 25 | ANGOAngiodynamics, Inc. | 106,400 | $2.8B | 0.57% | |
| 26 | AVNWAviat Networks, Inc. | 81,607 | $2.7B | 0.56% | |
| 27 | RRNRed Robin Gourmet Burger | 112,800 | $2.6B | 0.54% | |
| 28 | BLDRBuilders Firstsource | 49,080 | $2.5B | 0.53% | |
| 29 | DOOREURMasonite Intl Corp. | 21,925 | $2.3B | 0.48% | |
| 30 | AOSLAlpha & Omega Semiconductor | 74,000 | $2.3B | 0.48% | |
| 31 | AMRCAmeresco, Inc. | 37,308 | $2.2B | 0.45% | |
| 32 | ZM3Zumiez Inc. | 51,300 | $2.0B | 0.42% | |
| 33 | CLFDClearfield, Inc. | 44,900 | $2.0B | 0.41% | |
| 34 | VCRAUSDVocera Communications, Inc. | 43,226 | $2.0B | 0.41% | |
| 35 | —Entravision Communications | 276,400 | $2.0B | 0.41% | |
| 36 | ARNC1EURArconic Corporation | 60,400 | $1.9B | 0.39% | |
| 37 | TPDTempur Sealy International, In | 38,777 | $1.8B | 0.37% | |
| 38 | RPDRapid7, Inc. | 15,910 | $1.8B | 0.37% | |
| 39 | MHOM/I Homes, Inc. | 30,900 | $1.8B | 0.37% | |
| 40 | CSTLCastle Biosciences, Inc. | 26,260 | $1.7B | 0.36% | |
| 41 | IIIInformation Svcs Group, Inc. | 235,000 | $1.7B | 0.35% | |
| 42 | MXLMaxlinear, Inc. Class A | 34,200 | $1.7B | 0.35% | |
| 43 | CAMTCamtek, Ltd. | 40,980 | $1.7B | 0.34% | |
| 44 | XXYCross Country Healthcare, Inc. | 77,900 | $1.7B | 0.34% | |
| 45 | PRKSSeaWorld Entertainment Inc. | 29,560 | $1.6B | 0.34% | |
| 46 | FLLFull House Resorts, Inc. | 152,543 | $1.6B | 0.34% | |
| 47 | VREXVarex Imaging Corp. | 57,200 | $1.6B | 0.33% | |
| 48 | RGPResources Connection, Inc. | 100,900 | $1.6B | 0.33% | |
| 49 | AEHRAehr Test Systems | 115,300 | $1.6B | 0.33% | |
| 50 | RDNTRadnet, Inc. | 53,600 | $1.6B | 0.33% | |
| 51 | HSIHeidrick & Struggles | 34,800 | $1.6B | 0.32% | |
| 52 | SPYSPDR S&P 500 ETF Trust | 3,587 | $1.5B | 0.32% | |
| 53 | G2CEveri Hldgs, Inc. | 63,300 | $1.5B | 0.32% | |
| 54 | MOVMovado Group, Inc. | 48,200 | $1.5B | 0.31% | |
| 55 | MCRIMonarch Casino & Resort, Inc. | 22,500 | $1.5B | 0.31% | |
| 56 | JOUTJohnson Outdoors, Inc. | 14,100 | $1.5B | 0.31% | |
| 57 | STRLSterling Construction Co., Inc | 65,300 | $1.5B | 0.31% | |
| 58 | CVGICommercial Vehicle Group | 155,500 | $1.5B | 0.30% | |
| 59 | UPWKUpwork, Inc. | 32,220 | $1.5B | 0.30% | |
| 60 | CTSCTS Corp. | 46,200 | $1.4B | 0.30% | |
| 61 | ICFIICF International, Inc. | 15,600 | $1.4B | 0.29% | |
| 62 | PENGSmart Global Hldgs, Inc. | 30,400 | $1.4B | 0.28% | |
| 63 | VPGVishay Precision Group | 37,800 | $1.3B | 0.27% | |
| 64 | HSTMHealthstream Inc. | 45,800 | $1.3B | 0.27% | |
| 65 | LELands' End, Inc. | 54,700 | $1.3B | 0.27% | |
| 66 | MBWMMercantile Bank Corp. | 39,828 | $1.3B | 0.26% | |
| 67 | —EnPro Industries, Inc. | 14,200 | $1.2B | 0.26% | |
| 68 | EXTRExtreme Networks, Inc. | 123,800 | $1.2B | 0.25% | |
| 69 | SCSCScansource, Inc. | 35,000 | $1.2B | 0.25% | |
| 70 | BJBJs Wholesale Club Holdings, I | 22,080 | $1.2B | 0.25% | |
| 71 | NOTVInotiv, Inc. | 40,600 | $1.2B | 0.25% | |
| 72 | DZSIQDZS, Inc. | 96,800 | $1.2B | 0.25% | |
| 73 | PRFTUSDPerficient Inc. | 10,100 | $1.2B | 0.24% | |
| 74 | TBITrueBlue, Inc. | 42,300 | $1.1B | 0.24% | |
| 75 | PATKPatrick Industries, Inc. | 13,600 | $1.1B | 0.23% | |
| 76 | PTENPatterson-Uti Energy, Inc. | 125,200 | $1.1B | 0.23% | |
| 77 | DVAXDynavax Technologies Corp. | 58,000 | $1.1B | 0.23% | |
| 78 | —Lifetime Brands, Inc. | 60,400 | $1.1B | 0.23% | |
| 79 | SSUPSuperior Industries Intl. Inc. | 152,498 | $1.1B | 0.22% | |
| 80 | ALNTAllied Motion Technologies | 34,100 | $1.1B | 0.22% | |
| 81 | AAPLApple, Inc. | 7,455 | $1.1B | 0.22% | |
| 82 | HCKTHackett Group, Inc. | 53,500 | $1.1B | 0.22% | |
| 83 | ROFKForce, Inc. | 17,500 | $1.0B | 0.22% | |
| 84 | SHYFShyft Group, Inc. | 27,400 | $1.0B | 0.22% | |
| 85 | SPUSDSP Plus Corporation | 33,700 | $1.0B | 0.21% | |
| 86 | —Houghton Mifflin Harcourt Comp | 76,000 | $1.0B | 0.21% | |
| 87 | LOCOEl Pollo Loco Hldgs, Inc. | 55,500 | $938.0M | 0.19% | |
| 88 | FLXSFlexsteel Inds, Inc. | 30,000 | $926.0M | 0.19% | |
| 89 | RESRPC, Inc. | 189,400 | $920.0M | 0.19% | |
| 90 | OOMAOOMA Inc. | 49,300 | $917.0M | 0.19% | |
| 91 | COHUCohu, Inc. | 28,576 | $913.0M | 0.19% | |
| 92 | TREXTrex Company, Inc. | 8,870 | $904.0M | 0.19% | |
| 93 | 3TYTitan Machinery, Inc. | 34,300 | $889.0M | 0.18% | |
| 94 | FFWMFirst Foundation Inc. | 33,500 | $881.0M | 0.18% | |
| 95 | CERSCerus Corp. | 143,100 | $871.0M | 0.18% | |
| 96 | EIGEmployers Holdings, Inc. | 22,000 | $869.0M | 0.18% | |
| 97 | MSFTMicrosoft Corp. | 3,055 | $861.0M | 0.18% | |
| 98 | —Cyberoptics Corp. | 24,200 | $861.0M | 0.18% | |
| 99 | —Antares Pharma, Inc. | 225,900 | $822.0M | 0.17% | |
| 100 | ABT2EURAbsolute Software Corp. | 74,600 | $820.0M | 0.17% |
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