OBERWEIS ASSET MANAGEMENT INC/ Q2 2023 Filing
Filed August 14, 2023
Portfolio Value
$822.8T
Holdings
187
Report Date
Q2 2023
Filing Type
13F-HR
All Holdings (187 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | CSTMConstellium NV Cl A | 2,799,271 | $48.1T | 5.85% | |
| 2 | ACLSAxcelis Technologies | 240,399 | $44.1T | 5.36% | |
| 3 | AEHRAehr Test Systems | 873,108 | $36.0T | 4.38% | |
| 4 | ATECAlphatec Hldgs Inc. | 980,470 | $17.6T | 2.14% | |
| 5 | PIImpinj, Inc. | 179,145 | $16.1T | 1.95% | |
| 6 | LNTHLantheus Hldgs Inc. | 166,180 | $13.9T | 1.69% | |
| 7 | PERIPerion Network, Ltd. | 426,250 | $13.1T | 1.59% | |
| 8 | VCYTVeracyte, Inc. | 482,310 | $12.3T | 1.49% | |
| 9 | DECKDeckers Outdoor Corp. | 23,120 | $12.2T | 1.48% | |
| 10 | CROXCrocs, Inc. | 105,500 | $11.9T | 1.44% | |
| 11 | TMDXTransMedics Group, Inc. | 127,000 | $10.7T | 1.30% | |
| 12 | ICFIICF International, Inc. | 80,200 | $10.0T | 1.21% | |
| 13 | BDCBelden, Inc. | 98,755 | $9.4T | 1.15% | |
| 14 | VRTVEURVeritiv Corp. | 72,790 | $9.1T | 1.11% | |
| 15 | ALGMAllegro MicroSystems, Inc. | 196,040 | $8.8T | 1.08% | |
| 16 | EXTRExtreme Networks, Inc. | 337,900 | $8.8T | 1.07% | |
| 17 | AMPHAmphastar Pharmaceuticals, Inc | 147,800 | $8.5T | 1.03% | |
| 18 | CLHClean Harbors, Inc. | 45,105 | $7.4T | 0.90% | |
| 19 | TCMDTactile Sys Technology, Inc. | 294,950 | $7.4T | 0.89% | |
| 20 | BELFBBel Fuse, Inc. | 121,500 | $7.0T | 0.85% | |
| 21 | EVHEvolent Health, Inc. | 227,910 | $6.9T | 0.84% | |
| 22 | MODNEURModel N, Inc. | 194,818 | $6.9T | 0.84% | |
| 23 | VCVisteon Corp. | 47,760 | $6.9T | 0.83% | |
| 24 | BLBDBlue Bird Corporation | 301,300 | $6.8T | 0.82% | |
| 25 | NVTSNavitas Semiconductor Corp. | 640,000 | $6.7T | 0.82% | |
| 26 | UCTTUltra Clean Holdings | 170,900 | $6.6T | 0.80% | |
| 27 | PWIPower Integrations | 69,270 | $6.6T | 0.80% | |
| 28 | MMSIMerit Medical System Inc | 78,160 | $6.5T | 0.79% | |
| 29 | TMCITreace Medical Concepts, Inc. | 251,500 | $6.4T | 0.78% | |
| 30 | AXNX*Axonics, Inc. | 125,440 | $6.3T | 0.77% | |
| 31 | OSPNOneSpan, Inc. | 416,845 | $6.2T | 0.75% | |
| 32 | ADMAADMA Biologics, Inc. | 1,668,700 | $6.2T | 0.75% | |
| 33 | VRTVertiv Holdings Co. | 248,340 | $6.2T | 0.75% | |
| 34 | STRLSterling Construction Co., Inc | 106,700 | $6.0T | 0.72% | |
| 35 | SIBNSI-BONE, Inc. | 220,200 | $5.9T | 0.72% | |
| 36 | PRKSSeaWorld Entertainment Inc. | 99,600 | $5.6T | 0.68% | |
| 37 | CIR2USDCIRCOR International, Inc. | 95,000 | $5.4T | 0.65% | |
| 38 | PLYAPlaya Hotels & Resorts N.V. | 655,300 | $5.3T | 0.65% | |
| 39 | EHCEncompass Health Corporation | 78,100 | $5.3T | 0.64% | |
| 40 | CAMTCamtek, Ltd. | 148,202 | $5.3T | 0.64% | |
| 41 | CECOCECO Environmental Corp. | 392,600 | $5.2T | 0.64% | |
| 42 | WFRDWeatherford International PLC | 78,580 | $5.2T | 0.63% | |
| 43 | VECOVeeco Instruments, Inc. | 202,500 | $5.2T | 0.63% | |
| 44 | INMDInmode Ltd. | 137,100 | $5.1T | 0.62% | |
| 45 | CHEFThe Chefs Warehouse, Inc. | 141,500 | $5.1T | 0.61% | |
| 46 | CIENCiena Corporation | 118,305 | $5.0T | 0.61% | |
| 47 | PLABPhotronics, Inc. | 194,700 | $5.0T | 0.61% | |
| 48 | FMFFormfactor Inc. | 143,000 | $4.9T | 0.59% | |
| 49 | VVXV2X, Inc. | 97,800 | $4.8T | 0.59% | |
| 50 | SNCYSun Country Airlines Holdings, | 213,200 | $4.8T | 0.58% | |
| 51 | MGPIMGP Ingredients, Inc. | 44,850 | $4.8T | 0.58% | |
| 52 | HLITHarmonic, Inc. | 294,300 | $4.8T | 0.58% | |
| 53 | DGIIDigi International I | 120,600 | $4.8T | 0.58% | |
| 54 | FSSFederal Signal Corp. | 73,900 | $4.7T | 0.58% | |
| 55 | ATDATI, Inc. | 106,800 | $4.7T | 0.57% | |
| 56 | RESRPC, Inc. | 657,033 | $4.7T | 0.57% | |
| 57 | MGNIMagnite, Inc. | 340,700 | $4.7T | 0.57% | |
| 58 | HXLHexcel Corporation | 59,000 | $4.5T | 0.55% | |
| 59 | SPUSDSP Plus Corporation | 113,700 | $4.4T | 0.54% | |
| 60 | FLSFlowserve Corporation | 119,200 | $4.4T | 0.54% | |
| 61 | LFUSLittelfuse, Inc. | 15,200 | $4.4T | 0.54% | |
| 62 | WWDWoodward, Inc. | 37,100 | $4.4T | 0.54% | |
| 63 | WEAVWeave Communications, Inc. | 394,500 | $4.4T | 0.53% | |
| 64 | GVAGranite Construction | 110,100 | $4.4T | 0.53% | |
| 65 | ALSNAllison Transmission Holdings, | 77,400 | $4.4T | 0.53% | |
| 66 | PSNParsons Corp. | 90,400 | $4.4T | 0.53% | |
| 67 | EZPWEZCorp, Inc. | 506,200 | $4.2T | 0.52% | |
| 68 | FELEFranklin Electric | 40,900 | $4.2T | 0.51% | |
| 69 | CBTCabot Corp. | 62,405 | $4.2T | 0.51% | |
| 70 | CDNSCadence Design System, Inc. | 17,600 | $4.1T | 0.50% | |
| 71 | IPARInter Parfums | 30,400 | $4.1T | 0.50% | |
| 72 | ACHCAcadia Healthcare Co., Inc. | 51,400 | $4.1T | 0.50% | |
| 73 | KWRQuaker Chemical Corporation | 20,800 | $4.1T | 0.49% | |
| 74 | ZETAZeta Global Holdings Corp. | 474,500 | $4.1T | 0.49% | |
| 75 | HAEHaemonetics Corp. | 47,500 | $4.0T | 0.49% | |
| 76 | MMSMaximus, Inc. | 47,800 | $4.0T | 0.49% | |
| 77 | SLABSilicon Laboratories, Inc. | 25,510 | $4.0T | 0.49% | |
| 78 | ALGTAllegiant Travel Co. | 30,400 | $3.8T | 0.47% | |
| 79 | MODModine Mfg Co Com | 115,000 | $3.8T | 0.46% | |
| 80 | HEESEURH&E Equipment Services, Inc. | 82,100 | $3.8T | 0.46% | |
| 81 | FTDRFrontdoor, Inc. | 117,700 | $3.8T | 0.46% | |
| 82 | FCFSFirstCash Holdings, Inc | 40,100 | $3.7T | 0.45% | |
| 83 | ACMRACM Research, Inc. Class A | 285,600 | $3.7T | 0.45% | |
| 84 | HAYNUSDHaynes Intl, Inc. | 72,600 | $3.7T | 0.45% | |
| 85 | AVNWAviat Networks, Inc. | 109,507 | $3.7T | 0.44% | |
| 86 | MTSIMacom Technology Solutions | 55,700 | $3.7T | 0.44% | |
| 87 | AORTArtivion, Inc | 211,300 | $3.6T | 0.44% | |
| 88 | OPCHOption Care Health Inc. | 111,000 | $3.6T | 0.44% | |
| 89 | SOYSunOpta, Inc. | 537,700 | $3.6T | 0.44% | |
| 90 | OI*O-I Glass, Inc. | 168,100 | $3.6T | 0.44% | |
| 91 | SHLSShoals Technology Group, Inc. | 139,600 | $3.6T | 0.43% | |
| 92 | LYTSLSI Industries Inc. | 283,700 | $3.6T | 0.43% | |
| 93 | EIGEmployers Holdings, Inc. | 95,100 | $3.6T | 0.43% | |
| 94 | JELDJELD-WEN Holding, Inc. | 201,900 | $3.5T | 0.43% | |
| 95 | —Applied Industrial | 24,400 | $3.5T | 0.43% | |
| 96 | SPXCSPX Technologies, Inc. | 41,500 | $3.5T | 0.43% | |
| 97 | MHOM/I Homes, Inc. | 40,400 | $3.5T | 0.43% | |
| 98 | NEONeoGenomics, Inc. | 213,000 | $3.4T | 0.42% | |
| 99 | ALITAlight, Inc. | 361,300 | $3.3T | 0.41% | |
| 100 | G2CEveri Hldgs, Inc. | 229,200 | $3.3T | 0.40% |
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