OBERWEIS ASSET MANAGEMENT INC/ Q4 2022 Filing
Filed February 14, 2023
Portfolio Value
$470.4T
Holdings
168
Report Date
Q4 2022
Filing Type
13F-HR
All Holdings (168 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | CSTMConstellium NV Cl A | 4,939,312 | $58.4T | 12.42% | |
| 2 | ACLSAxcelis Technologies | 279,549 | $22.2T | 4.72% | |
| 3 | AEHRAehr Test Systems | 607,608 | $12.2T | 2.60% | |
| 4 | PIImpinj, Inc. | 110,665 | $12.1T | 2.57% | |
| 5 | CROXCrocs, Inc. | 104,050 | $11.3T | 2.40% | |
| 6 | DECKDeckers Outdoor Corp. | 27,120 | $10.8T | 2.30% | |
| 7 | SMCIUSDSuper Micro Computer Inc. | 121,240 | $10.0T | 2.12% | |
| 8 | CLFDClearfield, Inc. | 94,540 | $8.9T | 1.89% | |
| 9 | LNTHLantheus Hldgs Inc. | 164,940 | $8.4T | 1.79% | |
| 10 | HALOHalozyme Therapeutics, Inc. | 143,390 | $8.2T | 1.73% | |
| 11 | VRTVEURVeritiv Corp. | 62,142 | $7.6T | 1.61% | |
| 12 | BDCBelden, Inc. | 91,769 | $6.6T | 1.40% | |
| 13 | PERIPerion Network, Ltd. | 247,400 | $6.3T | 1.33% | |
| 14 | ATECAlphatec Hldgs Inc. | 503,290 | $6.2T | 1.32% | |
| 15 | MODNEURModel N, Inc. | 145,340 | $5.9T | 1.25% | |
| 16 | CLHClean Harbors, Inc. | 48,335 | $5.5T | 1.17% | |
| 17 | TMDXTransMedics Group, Inc. | 82,400 | $5.1T | 1.08% | |
| 18 | AMRCAmeresco, Inc. | 86,208 | $4.9T | 1.05% | |
| 19 | ACHCAcadia Healthcare Co., Inc. | 58,780 | $4.8T | 1.03% | |
| 20 | ICFIICF International, Inc. | 43,400 | $4.3T | 0.91% | |
| 21 | CIENCiena Corporation | 80,385 | $4.1T | 0.87% | |
| 22 | CDNSCadence Design System, Inc. | 25,500 | $4.1T | 0.87% | |
| 23 | EVHEvolent Health, Inc. | 139,340 | $3.9T | 0.83% | |
| 24 | MXLMaxlinear, Inc. Class A | 113,460 | $3.9T | 0.82% | |
| 25 | BELFBBel Fuse, Inc. | 114,800 | $3.8T | 0.80% | |
| 26 | AMPHAmphastar Pharmaceuticals, Inc | 134,000 | $3.8T | 0.80% | |
| 27 | FNFabrinet | 28,515 | $3.7T | 0.78% | |
| 28 | MGPIMGP Ingredients, Inc. | 33,501 | $3.6T | 0.76% | |
| 29 | SYNASynaptics, Inc. | 36,410 | $3.5T | 0.74% | |
| 30 | ALGMAllegro MicroSystems, Inc. | 115,200 | $3.5T | 0.74% | |
| 31 | TWITitan Int'l Inc. | 225,200 | $3.5T | 0.73% | |
| 32 | INMDInmode Ltd. | 93,950 | $3.4T | 0.71% | |
| 33 | G2CEveri Hldgs, Inc. | 224,800 | $3.2T | 0.69% | |
| 34 | D0ADada Nexus Limited | 457,672 | $3.2T | 0.68% | |
| 35 | PRKSSeaWorld Entertainment Inc. | 57,200 | $3.1T | 0.65% | |
| 36 | CBTCabot Corp. | 44,747 | $3.0T | 0.64% | |
| 37 | VCVisteon Corp. | 22,400 | $2.9T | 0.62% | |
| 38 | PDDPinduoduo Inc. | 35,000 | $2.9T | 0.61% | |
| 39 | EXTRExtreme Networks, Inc. | 150,100 | $2.7T | 0.58% | |
| 40 | FSSFederal Signal Corp. | 57,100 | $2.7T | 0.56% | |
| 41 | STRLSterling Construction Co., Inc | 80,600 | $2.6T | 0.56% | |
| 42 | RESRPC, Inc. | 292,900 | $2.6T | 0.55% | |
| 43 | AVNWAviat Networks, Inc. | 83,307 | $2.6T | 0.55% | |
| 44 | CALXCalix, Inc. | 37,900 | $2.6T | 0.55% | |
| 45 | MMSIMerit Medical System Inc | 35,600 | $2.5T | 0.53% | |
| 46 | OSPNOneSpan, Inc. | 216,900 | $2.4T | 0.52% | |
| 47 | MTSIMacom Technology Solutions | 38,400 | $2.4T | 0.51% | |
| 48 | PDCEUSDPDC Energy, Inc. | 37,705 | $2.4T | 0.51% | |
| 49 | SPUSDSP Plus Corporation | 67,600 | $2.3T | 0.50% | |
| 50 | TCMDTactile Sys Technology, Inc. | 204,200 | $2.3T | 0.50% | |
| 51 | PTENPatterson-Uti Energy, Inc. | 139,100 | $2.3T | 0.50% | |
| 52 | DXLGDestination XL Group, Inc. | 338,100 | $2.3T | 0.49% | |
| 53 | HEESEURH&E Equipment Services, Inc. | 50,100 | $2.3T | 0.48% | |
| 54 | PFBCPreferred Bank | 30,200 | $2.3T | 0.48% | |
| 55 | UCTTUltra Clean Holdings | 67,900 | $2.3T | 0.48% | |
| 56 | CHEFThe Chefs Warehouse, Inc. | 66,900 | $2.2T | 0.47% | |
| 57 | SOYSunOpta, Inc. | 262,600 | $2.2T | 0.47% | |
| 58 | VCYTVeracyte, Inc. | 92,400 | $2.2T | 0.47% | |
| 59 | ADTNAdtran, Inc. | 116,400 | $2.2T | 0.46% | |
| 60 | ATENA10 Networks, Inc. | 131,200 | $2.2T | 0.46% | |
| 61 | FCFranklin Covey Co. | 46,300 | $2.2T | 0.46% | |
| 62 | EZPWEZCorp, Inc. | 262,000 | $2.1T | 0.45% | |
| 63 | IPARInter Parfums | 22,100 | $2.1T | 0.45% | |
| 64 | CECOCECO Environmental Corp. | 182,100 | $2.1T | 0.45% | |
| 65 | FELEFranklin Electric | 26,600 | $2.1T | 0.45% | |
| 66 | —EnPro Industries, Inc. | 19,300 | $2.1T | 0.45% | |
| 67 | —Applied Industrial | 16,600 | $2.1T | 0.44% | |
| 68 | ADMAADMA Biologics, Inc. | 536,900 | $2.1T | 0.44% | |
| 69 | VVXV2X, Inc. | 50,100 | $2.1T | 0.44% | |
| 70 | XXYCross Country Healthcare, Inc. | 77,700 | $2.1T | 0.44% | |
| 71 | ABMABM Industries, Inc. | 44,500 | $2.0T | 0.42% | |
| 72 | OPCHOption Care Health Inc. | 65,500 | $2.0T | 0.42% | |
| 73 | PLABPhotronics, Inc. | 116,800 | $2.0T | 0.42% | |
| 74 | CRKComstock Res | 142,800 | $2.0T | 0.42% | |
| 75 | DVAXDynavax Technologies Corp. | 183,700 | $2.0T | 0.42% | |
| 76 | KWRQuaker Chemical Corporation | 11,600 | $1.9T | 0.41% | |
| 77 | FOXFFox Factory Hldg Corp. | 21,100 | $1.9T | 0.41% | |
| 78 | PLYAPlaya Hotels & Resorts N.V. | 284,100 | $1.9T | 0.39% | |
| 79 | ESTEEUREarthstone Energy Inc. | 128,800 | $1.8T | 0.39% | |
| 80 | GU9Guess, Inc | 88,080 | $1.8T | 0.39% | |
| 81 | CPRXCatalyst Pharmaceuticals, Inc. | 96,600 | $1.8T | 0.38% | |
| 82 | BOOTBoot Barn Hldgs, Inc. | 27,900 | $1.7T | 0.37% | |
| 83 | MTDRMatador Resources Company | 30,300 | $1.7T | 0.37% | |
| 84 | UNVREURUnivar Solutions, Inc. | 54,300 | $1.7T | 0.37% | |
| 85 | BB3Brookline Bancorp, Inc. | 121,700 | $1.7T | 0.37% | |
| 86 | MODModine Mfg Co Com | 86,500 | $1.7T | 0.37% | |
| 87 | OI*O-I Glass, Inc. | 103,400 | $1.7T | 0.36% | |
| 88 | ATDATI, Inc. | 57,200 | $1.7T | 0.36% | |
| 89 | HFWAHeritage Financial Corporation | 55,400 | $1.7T | 0.36% | |
| 90 | NRDSNerdWallet, Inc. | 175,900 | $1.7T | 0.36% | |
| 91 | NOVNOV, Inc. | 80,800 | $1.7T | 0.36% | |
| 92 | VPGVishay Precision Group | 43,600 | $1.7T | 0.36% | |
| 93 | MBWMMercantile Bank Corp. | 49,819 | $1.7T | 0.35% | |
| 94 | FLLFull House Resorts, Inc. | 221,743 | $1.7T | 0.35% | |
| 95 | EIGEmployers Holdings, Inc. | 38,500 | $1.7T | 0.35% | |
| 96 | CALYTopgolf Callaway Brands Corp. | 83,800 | $1.7T | 0.35% | |
| 97 | OXMOxford Inds, Inc. | 17,500 | $1.6T | 0.35% | |
| 98 | ALNTAllied Motion Technologies | 46,400 | $1.6T | 0.34% | |
| 99 | SLABSilicon Laboratories, Inc. | 11,650 | $1.6T | 0.34% | |
| 100 | CLWClearwater Paper Corp | 41,800 | $1.6T | 0.34% |
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