Oberweis Asset Management as of Dec. 31, 2023
Portfolio Holdings for Oberweis Asset Management
Oberweis Asset Management holds 192 positions in its portfolio as reported in the December 2023 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price |
|---|---|---|---|---|---|
| Constellium Se cl a (CSTM) | 3.4 | $37M | 1.9M | 19.96 | |
| Axcelis Technologies (ACLS) | 3.0 | $32M | 245k | 129.69 | |
| Aehr Test Systems (AEHR) | 2.7 | $29M | 1.1M | 26.53 | |
| Alphatec Holdings (ATEC) | 2.3 | $24M | 1.6M | 15.11 | |
| Weatherford Intl Ordf (WFRD) | 2.2 | $24M | 240k | 97.83 | |
| Amphastar Pharmaceuticals (AMPH) | 2.0 | $21M | 340k | 61.85 | |
| Veracyte (VCYT) | 1.7 | $18M | 657k | 27.51 | |
| Applied Optoelectronics (AAOI) | 1.6 | $17M | 892k | 19.32 | |
| Transmedics Group (TMDX) | 1.6 | $17M | 213k | 78.93 | |
| Perion Network (PERI) | 1.3 | $14M | 456k | 30.87 | |
| Universal Display Corporation (OLED) | 1.2 | $13M | 67k | 191.26 | |
| Adma Biologics (ADMA) | 1.1 | $12M | 2.7M | 4.52 | |
| Camtek (CAMT) | 1.1 | $12M | 175k | 69.38 | |
| Vertiv Holdings Llc vertiv holdings (VRT) | 1.0 | $11M | 234k | 48.03 | |
| Axonics Modulation Technolog (AXNX) | 1.0 | $11M | 179k | 62.23 | |
| Oshkosh Corporation (OSK) | 1.0 | $11M | 99k | 108.41 | |
| Flowserve Corporation (FLS) | 0.9 | $10M | 245k | 41.22 | |
| Clean Harbors (CLH) | 0.9 | $10M | 57k | 174.51 | |
| Encompass Health Corp (EHC) | 0.9 | $9.7M | 145k | 66.72 | |
| Frontdoor (FTDR) | 0.9 | $9.5M | 271k | 35.22 | |
| Haemonetics Corporation (HAE) | 0.8 | $9.1M | 106k | 85.51 | |
| ICF International (ICFI) | 0.8 | $8.9M | 66k | 134.09 | |
| AeroVironment (AVAV) | 0.8 | $8.8M | 70k | 126.04 | |
| CECO Environmental (CECO) | 0.8 | $8.7M | 427k | 20.28 | |
| Ultra Clean Holdings (UCTT) | 0.8 | $8.4M | 247k | 34.14 | |
| Parsons Corporation (PSN) | 0.8 | $8.3M | 133k | 62.71 | |
| Bel Fuse (BELFB) | 0.8 | $8.3M | 124k | 66.77 | |
| Zeta Global Holdings Corp (ZETA) | 0.8 | $8.3M | 936k | 8.82 | |
| Merit Medical Systems (MMSI) | 0.8 | $8.1M | 107k | 75.96 | |
| Power Integrations (POWI) | 0.8 | $8.1M | 98k | 82.11 | |
| Deckers Outdoor Corporation (DECK) | 0.7 | $8.1M | 12k | 668.43 | |
| Firstcash Holdings (FCFS) | 0.7 | $8.0M | 74k | 108.39 | |
| Allegro Microsystems Ord (ALGM) | 0.7 | $7.8M | 258k | 30.27 | |
| Photronics (PLAB) | 0.7 | $7.8M | 248k | 31.37 | |
| Navitas Semiconductor Corp-a (NVTS) | 0.7 | $7.7M | 960k | 8.07 | |
| Sterling Construction Company (STRL) | 0.7 | $7.7M | 88k | 87.93 | |
| Blue Bird Corp (BLBD) | 0.7 | $7.7M | 287k | 26.96 | |
| Acm Research (ACMR) | 0.7 | $7.7M | 393k | 19.54 | |
| Federal Signal Corporation (FSS) | 0.7 | $7.6M | 99k | 76.74 | |
| Veeco Instruments (VECO) | 0.7 | $7.4M | 240k | 31.03 | |
| Spx Corp (SPXC) | 0.7 | $7.4M | 73k | 101.01 | |
| Evolent Health (EVH) | 0.7 | $7.1M | 215k | 33.03 | |
| Woodward Governor Company (WWD) | 0.7 | $7.1M | 52k | 136.13 | |
| Integer Hldgs (ITGR) | 0.7 | $7.0M | 71k | 99.08 | |
| Acadia Healthcare (ACHC) | 0.7 | $7.0M | 90k | 77.76 | |
| Weave Communications (WEAV) | 0.7 | $7.0M | 609k | 11.47 | |
| SkyWest (SKYW) | 0.7 | $7.0M | 134k | 52.20 | |
| Primoris Services (PRIM) | 0.6 | $7.0M | 210k | 33.21 | |
| Inter Parfums (IPAR) | 0.6 | $7.0M | 48k | 144.01 | |
| Janus International Group In (JBI) | 0.6 | $6.9M | 528k | 13.05 | |
| Esab Corporation (ESAB) | 0.6 | $6.9M | 79k | 86.62 | |
| Onto Innovation (ONTO) | 0.6 | $6.8M | 45k | 152.90 | |
| M/I Homes (MHO) | 0.6 | $6.7M | 49k | 137.74 | |
| G-III Apparel (GIII) | 0.6 | $6.7M | 197k | 33.98 | |
| FormFactor (FORM) | 0.6 | $6.6M | 159k | 41.71 | |
| Preferred Bank, Los Angeles (PFBC) | 0.6 | $6.5M | 90k | 73.05 | |
| HNI Corporation (HNI) | 0.6 | $6.5M | 155k | 41.83 | |
| NeoGenomics (NEO) | 0.6 | $6.4M | 393k | 16.18 | |
| Mgp Ingredients Inc Common Sto (MGPI) | 0.6 | $6.3M | 65k | 98.52 | |
| Fabrinet (FN) | 0.6 | $6.3M | 33k | 190.33 | |
| Clear Secure (YOU) | 0.6 | $6.3M | 304k | 20.65 | |
| RPC (RES) | 0.6 | $6.2M | 858k | 7.28 | |
| Thermon Group Holdings (THR) | 0.6 | $6.2M | 191k | 32.57 | |
| Playa Hotels & Resorts Nv (PLYA) | 0.6 | $6.1M | 702k | 8.65 | |
| Si-bone (SIBN) | 0.6 | $6.0M | 287k | 20.99 | |
| Petiq (PETQ) | 0.6 | $6.0M | 304k | 19.75 | |
| Upwork (UPWK) | 0.5 | $5.9M | 397k | 14.87 | |
| Catalyst Pharmaceutical Partners (CPRX) | 0.5 | $5.9M | 349k | 16.81 | |
| Dynavax Technologies (DVAX) | 0.5 | $5.8M | 417k | 13.98 | |
| Quaker Chemical Corporation (KWR) | 0.5 | $5.8M | 27k | 213.42 | |
| Ez (EZPW) | 0.5 | $5.7M | 656k | 8.74 | |
| Visteon Corporation (VC) | 0.5 | $5.5M | 44k | 124.90 | |
| Super Micro Computer (SMCI) | 0.5 | $5.4M | 19k | 284.26 | |
| BJ's Restaurants (BJRI) | 0.5 | $5.4M | 149k | 36.01 | |
| Liveramp Holdings (RAMP) | 0.5 | $5.3M | 139k | 37.88 | |
| H&E Equipment Services (HEES) | 0.5 | $5.2M | 99k | 52.32 | |
| Assurant (AIZ) | 0.5 | $5.2M | 31k | 168.49 | |
| Informatica (INFA) | 0.5 | $5.2M | 182k | 28.39 | |
| Modine Manufacturing (MOD) | 0.5 | $5.2M | 87k | 59.70 | |
| Adtalem Global Ed (ATGE) | 0.5 | $5.1M | 87k | 58.95 | |
| Rover Group | 0.5 | $5.1M | 466k | 10.88 | |
| Maximus (MMS) | 0.5 | $5.1M | 60k | 83.86 | |
| Carrols Restaurant (TAST) | 0.5 | $4.9M | 624k | 7.88 | |
| Jeld-wen Hldg (JELD) | 0.5 | $4.9M | 260k | 18.88 | |
| Huron Consulting (HURN) | 0.5 | $4.9M | 48k | 102.80 | |
| Abercrombie & Fitch (ANF) | 0.5 | $4.9M | 55k | 88.22 | |
| Nextracker (NXT) | 0.5 | $4.8M | 103k | 46.85 | |
| Msa Safety Inc equity (MSA) | 0.4 | $4.7M | 28k | 168.83 | |
| Sun Ctry Airls Hldgs (SNCY) | 0.4 | $4.7M | 298k | 15.73 | |
| Silicon Motion Technology (SIMO) | 0.4 | $4.7M | 76k | 61.27 | |
| Vectrus (VVX) | 0.4 | $4.7M | 101k | 46.44 | |
| Crocs (CROX) | 0.4 | $4.7M | 50k | 93.41 | |
| Allegheny Technologies Incorporated (ATI) | 0.4 | $4.7M | 103k | 45.47 | |
| CryoLife (AORT) | 0.4 | $4.6M | 258k | 17.88 | |
| Proto Labs (PRLB) | 0.4 | $4.6M | 117k | 38.96 | |
| OSI Systems (OSIS) | 0.4 | $4.6M | 35k | 129.05 | |
| Laredo Petroleum (VTLE) | 0.4 | $4.5M | 100k | 45.49 | |
| Limbach Hldgs (LMB) | 0.4 | $4.5M | 100k | 45.47 | |
| Fastly Inc cl a (FSLY) | 0.4 | $4.4M | 250k | 17.80 | |
| ACI Worldwide (ACIW) | 0.4 | $4.4M | 144k | 30.60 | |
| International Seaways (INSW) | 0.4 | $4.3M | 95k | 45.48 | |
| VSE Corporation (VSEC) | 0.4 | $4.3M | 66k | 64.61 | |
| Aviat Networks (AVNW) | 0.4 | $4.2M | 129k | 32.66 | |
| American Superconductor (AMSC) | 0.4 | $4.2M | 376k | 11.14 | |
| Elf Beauty (ELF) | 0.4 | $4.1M | 29k | 144.34 | |
| Wingstop (WING) | 0.4 | $4.1M | 16k | 256.58 | |
| Monarch Casino & Resort (MCRI) | 0.4 | $4.0M | 59k | 69.15 | |
| Boot Barn Hldgs (BOOT) | 0.4 | $4.0M | 52k | 76.76 | |
| Evolus (EOLS) | 0.4 | $3.9M | 371k | 10.53 | |
| Livanova Plc Ord (LIVN) | 0.4 | $3.8M | 74k | 51.74 | |
| Option Care Health (OPCH) | 0.4 | $3.8M | 114k | 33.69 | |
| Clearwater Paper (CLW) | 0.3 | $3.8M | 104k | 36.12 | |
| Grocery Outlet Hldg Corp (GO) | 0.3 | $3.8M | 139k | 26.96 | |
| LeMaitre Vascular (LMAT) | 0.3 | $3.7M | 65k | 56.76 | |
| Helix Energy Solutions (HLX) | 0.3 | $3.7M | 357k | 10.28 | |
| Pinduoduo (PDD) | 0.3 | $3.7M | 25k | 146.31 | |
| Comfort Systems USA (FIX) | 0.3 | $3.6M | 18k | 205.67 | |
| Primo Water (PRMW) | 0.3 | $3.6M | 241k | 15.05 | |
| Halozyme Therapeutics (HALO) | 0.3 | $3.6M | 96k | 36.96 | |
| Grand Canyon Education (LOPE) | 0.3 | $3.5M | 27k | 132.04 | |
| Onespaworld Holdings Ltd onespaworld hold (OSW) | 0.3 | $3.5M | 248k | 14.10 | |
| Qualys (QLYS) | 0.3 | $3.5M | 18k | 196.28 | |
| Mercantile Bank (MBWM) | 0.3 | $3.4M | 85k | 40.38 | |
| Cadence Design Systems (CDNS) | 0.3 | $3.4M | 13k | 272.37 | |
| Gibraltar Industries (ROCK) | 0.3 | $3.4M | 43k | 78.98 | |
| Cadre Hldgs (CDRE) | 0.3 | $3.4M | 102k | 32.89 | |
| Rxsight (RXST) | 0.3 | $3.4M | 83k | 40.32 | |
| Simpson Manufacturing (SSD) | 0.3 | $3.3M | 17k | 197.98 | |
| Trex Company (TREX) | 0.3 | $3.3M | 40k | 82.79 | |
| 1st Source Corporation (SRCE) | 0.3 | $3.3M | 60k | 54.95 | |
| Employers Holdings (EIG) | 0.3 | $3.3M | 83k | 39.40 | |
| Precision Drill (PDS) | 0.3 | $3.2M | 60k | 54.29 | |
| Nov (NOV) | 0.3 | $3.2M | 157k | 20.28 | |
| Oxford Industries (OXM) | 0.3 | $3.2M | 32k | 100.00 | |
| McGrath Rent (MGRC) | 0.3 | $3.1M | 26k | 119.62 | |
| Heritage Financial Corporation (HFWA) | 0.3 | $3.0M | 140k | 21.39 | |
| Matador Resources (MTDR) | 0.3 | $3.0M | 53k | 56.86 | |
| First Merchants Corporation (FRME) | 0.3 | $2.9M | 79k | 37.08 | |
| Dorian Lpg (LPG) | 0.3 | $2.9M | 66k | 43.87 | |
| Skyward Specialty Insurance Gr (SKWD) | 0.3 | $2.8M | 82k | 33.88 | |
| Rev (REVG) | 0.3 | $2.8M | 152k | 18.17 | |
| Rapid7 (RPD) | 0.3 | $2.8M | 48k | 57.10 | |
| Vita Coco Co Inc/the (COCO) | 0.3 | $2.7M | 107k | 25.65 | |
| Caleres (CAL) | 0.3 | $2.7M | 88k | 30.73 | |
| Aaon (AAON) | 0.2 | $2.7M | 36k | 73.87 | |
| ePlus (PLUS) | 0.2 | $2.7M | 33k | 79.84 | |
| Dycom Industries (DY) | 0.2 | $2.6M | 23k | 115.09 | |
| Hawkins (HWKN) | 0.2 | $2.6M | 38k | 70.42 | |
| Mannkind (MNKD) | 0.2 | $2.6M | 723k | 3.64 | |
| Blackbaud (BLKB) | 0.2 | $2.6M | 30k | 86.70 | |
| Healthequity (HQY) | 0.2 | $2.6M | 39k | 66.30 | |
| Powell Industries (POWL) | 0.2 | $2.5M | 29k | 88.40 | |
| Carpenter Technology Corporation (CRS) | 0.2 | $2.5M | 36k | 70.80 | |
| Stride (LRN) | 0.2 | $2.5M | 43k | 59.37 | |
| Magnolia Oil & Gas Corp magnolia oil & gas corp (MGY) | 0.2 | $2.5M | 117k | 21.29 | |
| Liberty Oilfield Services -a (LBRT) | 0.2 | $2.5M | 137k | 18.14 | |
| Scientific Games (LNW) | 0.2 | $2.5M | 30k | 82.11 | |
| AtriCure (ATRC) | 0.2 | $2.5M | 69k | 35.69 | |
| Hibbett Sports (HIBB) | 0.2 | $2.5M | 34k | 72.02 | |
| Gorman-Rupp Company (GRC) | 0.2 | $2.4M | 69k | 35.53 | |
| Quanterix Ord (QTRX) | 0.2 | $2.4M | 88k | 27.34 | |
| Biosante Pharmaceuticals (ANIP) | 0.2 | $2.4M | 44k | 55.14 | |
| Transcat (TRNS) | 0.2 | $2.4M | 22k | 109.33 | |
| Mirum Pharmaceuticals (MIRM) | 0.2 | $2.3M | 77k | 29.52 | |
| PDF Solutions (PDFS) | 0.2 | $2.2M | 70k | 32.14 | |
| Actuant Corp (EPAC) | 0.2 | $2.2M | 71k | 31.09 | |
| Apex Technology Acqui-cl A (AVPT) | 0.2 | $2.0M | 241k | 8.21 | |
| Taiwan Semiconductor Mfg (TSM) | 0.2 | $1.8M | 17k | 104.00 | |
| Spdr S&p 500 Etf (SPY) | 0.2 | $1.7M | 3.6k | 475.37 | |
| Miniso Group Hold Adr Rep 4 Cl A Ord (MNSO) | 0.2 | $1.6M | 80k | 20.40 | |
| Li Auto (LI) | 0.1 | $1.2M | 33k | 37.43 | |
| Full House Resorts (FLL) | 0.1 | $1.2M | 223k | 5.37 | |
| Microsoft Corporation (MSFT) | 0.1 | $1.0M | 2.7k | 376.04 | |
| Legend Biotech 2 Adr Rep Ord (LEGN) | 0.1 | $963k | 16k | 60.17 | |
| TAL Education (TAL) | 0.1 | $695k | 55k | 12.63 | |
| Apple (AAPL) | 0.1 | $651k | 3.4k | 192.52 | |
| JPMorgan Chase & Co. (JPM) | 0.1 | $647k | 3.8k | 170.10 | |
| Comstock Resources (CRK) | 0.1 | $640k | 72k | 8.85 | |
| Travelers Companies (TRV) | 0.0 | $394k | 2.1k | 190.50 | |
| Arcos Dorados Holdings (ARCO) | 0.0 | $381k | 30k | 12.69 | |
| Johnson & Johnson (JNJ) | 0.0 | $339k | 2.2k | 156.72 | |
| MasterCard Incorporated (MA) | 0.0 | $331k | 775.00 | 426.76 | |
| Vtex Registered Shs -a- Isin#kyg9470a1022 (VTEX) | 0.0 | $323k | 47k | 6.88 | |
| iShares Russell 2000 Growth Index (IWO) | 0.0 | $309k | 1.2k | 252.22 | |
| Amgen (AMGN) | 0.0 | $308k | 1.1k | 288.13 | |
| McDonald's Corporation (MCD) | 0.0 | $250k | 843.00 | 296.48 | |
| ResMed (RMD) | 0.0 | $249k | 1.5k | 172.02 | |
| Despegar Com Corp ord (DESP) | 0.0 | $213k | 23k | 9.46 | |
| Iqiyi (IQ) | 0.0 | $98k | 20k | 4.88 | |
| Dada Nexus 1 Ads Rep 4 Ord (DADA) | 0.0 | $76k | 23k | 3.32 | |
| Xenacare Hldgs | 0.0 | $0 | 140k | 0.00 | |
| A M R Corporation Xxx res | 0.0 | $0 | 18k | 0.00 |
