OBERWEIS ASSET MANAGEMENT INC/ Q4 2021 Filing
Filed February 14, 2022
Portfolio Value
$548.1B
Holdings
160
Report Date
Q4 2021
Filing Type
13F-HR
All Holdings (160 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | CSTMConstellium NV Cl A | 5,491,697 | $98.4B | 17.94% | |
| 2 | NVMINova Measuring Instruments | 530,200 | $77.7B | 14.17% | |
| 3 | DAVAEndava Plc Ads | 409,187 | $68.7B | 12.54% | |
| 4 | SYNASynaptics, Inc. | 51,620 | $14.9B | 2.73% | |
| 5 | ACLSAxcelis Technologies | 155,000 | $11.6B | 2.11% | |
| 6 | —ChannelAdvisor Corporation | 382,750 | $9.4B | 1.72% | |
| 7 | SESea Ltd | 39,200 | $8.8B | 1.60% | |
| 8 | SSTKShutterstock, Inc. | 73,515 | $8.2B | 1.49% | |
| 9 | UCTTUltra Clean Holdings | 141,630 | $8.1B | 1.48% | |
| 10 | ATECAlphatec Hldgs Inc. | 674,170 | $7.7B | 1.41% | |
| 11 | DDOGDatadog, Inc. Class A | 42,800 | $7.6B | 1.39% | |
| 12 | DECKDeckers Outdoor Corp. | 20,810 | $7.6B | 1.39% | |
| 13 | CDNSCadence Design System, Inc. | 36,900 | $6.9B | 1.25% | |
| 14 | CROXCrocs, Inc. | 49,960 | $6.4B | 1.17% | |
| 15 | MTRNMaterion Corp. | 69,657 | $6.4B | 1.17% | |
| 16 | ANGOAngiodynamics, Inc. | 204,210 | $5.6B | 1.03% | |
| 17 | INMDInmode Ltd. | 79,400 | $5.6B | 1.02% | |
| 18 | VRTVEURVeritiv Corp. | 42,242 | $5.2B | 0.94% | |
| 19 | GU9Guess, Inc | 204,781 | $4.8B | 0.88% | |
| 20 | AOSLAlpha & Omega Semiconductor | 74,000 | $4.5B | 0.82% | |
| 21 | BLDRBuilders Firstsource | 49,880 | $4.3B | 0.78% | |
| 22 | HALOHalozyme Therapeutics, Inc. | 105,650 | $4.2B | 0.78% | |
| 23 | VCRAUSDVocera Communications, Inc. | 61,326 | $4.0B | 0.73% | |
| 24 | BOOTBoot Barn Hldgs, Inc. | 30,500 | $3.8B | 0.68% | |
| 25 | SHOPShopify, Inc. | 2,600 | $3.6B | 0.65% | |
| 26 | CLFDClearfield, Inc. | 40,000 | $3.4B | 0.62% | |
| 27 | LNTHLantheus Hldgs Inc. | 107,100 | $3.1B | 0.56% | |
| 28 | VREXVarex Imaging Corp. | 97,600 | $3.1B | 0.56% | |
| 29 | ACHCAcadia Healthcare Co., Inc. | 47,095 | $2.9B | 0.52% | |
| 30 | AMRCAmeresco, Inc. | 34,608 | $2.8B | 0.51% | |
| 31 | RPDRapid7, Inc. | 23,090 | $2.7B | 0.50% | |
| 32 | MODNEURModel N, Inc. | 88,190 | $2.6B | 0.48% | |
| 33 | AVNWAviat Networks, Inc. | 82,107 | $2.6B | 0.48% | |
| 34 | MXLMaxlinear, Inc. Class A | 34,850 | $2.6B | 0.48% | |
| 35 | BDCBelden, Inc. | 39,270 | $2.6B | 0.47% | |
| 36 | DOOREURMasonite Intl Corp. | 21,675 | $2.6B | 0.47% | |
| 37 | EXTRExtreme Networks, Inc. | 160,400 | $2.5B | 0.46% | |
| 38 | ZM3Zumiez Inc. | 51,300 | $2.5B | 0.45% | |
| 39 | G2CEveri Hldgs, Inc. | 113,800 | $2.4B | 0.44% | |
| 40 | FLLFull House Resorts, Inc. | 190,543 | $2.3B | 0.42% | |
| 41 | MBUUMalibu Boats, Inc. | 32,500 | $2.2B | 0.41% | |
| 42 | CAMTCamtek, Ltd. | 48,380 | $2.2B | 0.41% | |
| 43 | AEHRAehr Test Systems | 91,800 | $2.2B | 0.41% | |
| 44 | MHOM/I Homes, Inc. | 34,900 | $2.2B | 0.40% | |
| 45 | XXYCross Country Healthcare, Inc. | 77,900 | $2.2B | 0.39% | |
| 46 | PENGSmart Global Hldgs, Inc. | 30,400 | $2.2B | 0.39% | |
| 47 | PERIPerion Network, Ltd. | 85,600 | $2.1B | 0.38% | |
| 48 | MOVMovado Group, Inc. | 48,200 | $2.0B | 0.37% | |
| 49 | —Houghton Mifflin Harcourt Comp | 124,700 | $2.0B | 0.37% | |
| 50 | PRKSSeaWorld Entertainment Inc. | 30,460 | $2.0B | 0.36% | |
| 51 | DZSIQDZS, Inc. | 119,800 | $1.9B | 0.35% | |
| 52 | RGPResources Connection, Inc. | 106,800 | $1.9B | 0.35% | |
| 53 | ARNC1EURArconic Corporation | 57,370 | $1.9B | 0.35% | |
| 54 | TPDTempur Sealy International, In | 39,983 | $1.9B | 0.34% | |
| 55 | —Entravision Communications | 270,100 | $1.8B | 0.33% | |
| 56 | INVNIdentiv Inc. | 64,200 | $1.8B | 0.33% | |
| 57 | MCRIMonarch Casino & Resort, Inc. | 24,400 | $1.8B | 0.33% | |
| 58 | —Cyberoptics Corp. | 38,700 | $1.8B | 0.33% | |
| 59 | STRLSterling Construction Co., Inc | 67,900 | $1.8B | 0.33% | |
| 60 | HSTMHealthstream Inc. | 67,500 | $1.8B | 0.32% | |
| 61 | —EnPro Industries, Inc. | 15,900 | $1.8B | 0.32% | |
| 62 | FORRForrester Research, Inc. | 29,700 | $1.7B | 0.32% | |
| 63 | SPYSPDR S&P 500 ETF Trust | 3,599 | $1.7B | 0.31% | |
| 64 | CTSCTS Corp. | 46,200 | $1.7B | 0.31% | |
| 65 | ICFIICF International, Inc. | 16,300 | $1.7B | 0.31% | |
| 66 | BJBJs Wholesale Club Holdings, I | 24,690 | $1.7B | 0.30% | |
| 67 | HSIHeidrick & Struggles | 37,400 | $1.6B | 0.30% | |
| 68 | RDNTRadnet, Inc. | 53,600 | $1.6B | 0.29% | |
| 69 | IIIInformation Svcs Group, Inc. | 199,800 | $1.5B | 0.28% | |
| 70 | SCSCScansource, Inc. | 40,400 | $1.4B | 0.26% | |
| 71 | VPGVishay Precision Group | 37,800 | $1.4B | 0.26% | |
| 72 | AKA2GBPa.k.a. Brands Hldg Corp. | 151,000 | $1.4B | 0.25% | |
| 73 | MBWMMercantile Bank Corp. | 39,834 | $1.4B | 0.25% | |
| 74 | ADTNEURAdtran, Inc. | 59,400 | $1.4B | 0.25% | |
| 75 | SHYFShyft Group, Inc. | 27,400 | $1.3B | 0.25% | |
| 76 | FNKOFunko, Inc. | 71,100 | $1.3B | 0.24% | |
| 77 | 3TYTitan Machinery, Inc. | 39,500 | $1.3B | 0.24% | |
| 78 | JOUTJohnson Outdoors, Inc. | 14,100 | $1.3B | 0.24% | |
| 79 | ALNTAllied Motion Technologies | 34,100 | $1.2B | 0.23% | |
| 80 | —Avid Technology, Inc. | 37,100 | $1.2B | 0.22% | |
| 81 | PATKPatrick Industries, Inc. | 14,800 | $1.2B | 0.22% | |
| 82 | OOMAOOMA Inc. | 58,300 | $1.2B | 0.22% | |
| 83 | TREXTrex Company, Inc. | 8,810 | $1.2B | 0.22% | |
| 84 | HCKTHackett Group, Inc. | 57,500 | $1.2B | 0.22% | |
| 85 | CSTLCastle Biosciences, Inc. | 26,260 | $1.1B | 0.21% | |
| 86 | TLYSTilly's, Inc. | 69,700 | $1.1B | 0.20% | |
| 87 | DVAXDynavax Technologies Corp. | 79,300 | $1.1B | 0.20% | |
| 88 | IMXIInternational Money Express, I | 68,900 | $1.1B | 0.20% | |
| 89 | AAPLApple, Inc. | 6,146 | $1.1B | 0.20% | |
| 90 | COHUCohu, Inc. | 28,576 | $1.1B | 0.20% | |
| 91 | SPUSDSP Plus Corporation | 37,600 | $1.1B | 0.19% | |
| 92 | PRFTUSDPerficient Inc. | 8,200 | $1.1B | 0.19% | |
| 93 | PTENPatterson-Uti Energy, Inc. | 125,200 | $1.1B | 0.19% | |
| 94 | TDCTeradata Corp | 24,460 | $1.0B | 0.19% | |
| 95 | EIGEmployers Holdings, Inc. | 25,100 | $1.0B | 0.19% | |
| 96 | MSFTMicrosoft Corp. | 3,055 | $1.0B | 0.19% | |
| 97 | ROFKForce, Inc. | 13,600 | $1.0B | 0.19% | |
| 98 | —Amtech Systems, Inc. | 102,500 | $1.0B | 0.18% | |
| 99 | NOTVInotiv, Inc. | 23,457 | $987.0M | 0.18% | |
| 100 | CERSCerus Corp. | 143,100 | $975.0M | 0.18% |
Page 1 of 2Next