Oberweis Asset Management

Latest statistics and disclosures from Oberweis Asset Management's latest quarterly 13F-HR filing:

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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 -36% 1.9M 19.96
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Axcelis Technologies (ACLS) 3.0 $32M +26% 245k 129.69
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Aehr Test Systems (AEHR) 2.7 $29M +19% 1.1M 26.53
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Alphatec Holdings (ATEC) 2.3 $24M +30% 1.6M 15.11
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Weatherford Intl Ordf (WFRD) 2.2 $24M +21% 240k 97.83
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Amphastar Pharmaceuticals (AMPH) 2.0 $21M +123% 340k 61.85
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Veracyte (VCYT) 1.7 $18M +9% 657k 27.51
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Applied Optoelectronics (AAOI) 1.6 $17M +90% 892k 19.32
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Transmedics Group (TMDX) 1.6 $17M +40% 213k 78.93
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Perion Network (PERI) 1.3 $14M -2% 456k 30.87
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Universal Display Corporation (OLED) 1.2 $13M +7% 67k 191.26
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Adma Biologics (ADMA) 1.1 $12M +30% 2.7M 4.52
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Camtek (CAMT) 1.1 $12M +4% 175k 69.38
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Vertiv Holdings Llc vertiv holdings (VRT) 1.0 $11M -38% 234k 48.03
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Axonics Modulation Technolog (AXNX) 1.0 $11M +10% 179k 62.23
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Oshkosh Corporation (OSK) 1.0 $11M +82% 99k 108.41
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Flowserve Corporation (FLS) 0.9 $10M +16% 245k 41.22
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Clean Harbors (CLH) 0.9 $10M +25% 57k 174.51
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Encompass Health Corp (EHC) 0.9 $9.7M +30% 145k 66.72
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Frontdoor (FTDR) 0.9 $9.5M +64% 271k 35.22
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Haemonetics Corporation (HAE) 0.8 $9.1M +36% 106k 85.51
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ICF International (ICFI) 0.8 $8.9M -30% 66k 134.09
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AeroVironment (AVAV) 0.8 $8.8M 70k 126.04
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CECO Environmental (CECO) 0.8 $8.7M +2% 427k 20.28
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Ultra Clean Holdings (UCTT) 0.8 $8.4M +13% 247k 34.14
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Parsons Corporation (PSN) 0.8 $8.3M 133k 62.71
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Bel Fuse (BELFB) 0.8 $8.3M +2% 124k 66.77
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Zeta Global Holdings Corp (ZETA) 0.8 $8.3M +38% 936k 8.82
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Merit Medical Systems (MMSI) 0.8 $8.1M +11% 107k 75.96
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Power Integrations (POWI) 0.8 $8.1M +3% 98k 82.11
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Deckers Outdoor Corporation (DECK) 0.7 $8.1M -53% 12k 668.43
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Firstcash Holdings (FCFS) 0.7 $8.0M +20% 74k 108.39
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Allegro Microsystems Ord (ALGM) 0.7 $7.8M +14% 258k 30.27
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Photronics (PLAB) 0.7 $7.8M +7% 248k 31.37
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Navitas Semiconductor Corp-a (NVTS) 0.7 $7.7M +5% 960k 8.07
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Sterling Construction Company (STRL) 0.7 $7.7M -20% 88k 87.93
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Blue Bird Corp (BLBD) 0.7 $7.7M -6% 287k 26.96
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Acm Research (ACMR) 0.7 $7.7M +15% 393k 19.54
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Federal Signal Corporation (FSS) 0.7 $7.6M +8% 99k 76.74
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Veeco Instruments (VECO) 0.7 $7.4M +5% 240k 31.03
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Spx Corp (SPXC) 0.7 $7.4M +7% 73k 101.01
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Evolent Health (EVH) 0.7 $7.1M -16% 215k 33.03
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Woodward Governor Company (WWD) 0.7 $7.1M +6% 52k 136.13
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Integer Hldgs (ITGR) 0.7 $7.0M NEW 71k 99.08
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Acadia Healthcare (ACHC) 0.7 $7.0M +15% 90k 77.76
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Weave Communications (WEAV) 0.7 $7.0M +16% 609k 11.47
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SkyWest (SKYW) 0.7 $7.0M NEW 134k 52.20
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Primoris Services (PRIM) 0.6 $7.0M +17% 210k 33.21
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Inter Parfums (IPAR) 0.6 $7.0M +16% 48k 144.01
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Janus International Group In (JBI) 0.6 $6.9M +39% 528k 13.05
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Esab Corporation (ESAB) 0.6 $6.9M NEW 79k 86.62
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Onto Innovation (ONTO) 0.6 $6.8M +8% 45k 152.90
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M/I Homes (MHO) 0.6 $6.7M +10% 49k 137.74
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G-III Apparel (GIII) 0.6 $6.7M +36% 197k 33.98
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FormFactor (FORM) 0.6 $6.6M -15% 159k 41.71
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Preferred Bank, Los Angeles (PFBC) 0.6 $6.5M +8% 90k 73.05
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HNI Corporation (HNI) 0.6 $6.5M -8% 155k 41.83
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NeoGenomics (NEO) 0.6 $6.4M +33% 393k 16.18
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Mgp Ingredients Inc Common Sto (MGPI) 0.6 $6.3M +20% 65k 98.52
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Fabrinet (FN) 0.6 $6.3M +49% 33k 190.33
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Clear Secure (YOU) 0.6 $6.3M NEW 304k 20.65
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RPC (RES) 0.6 $6.2M +21% 858k 7.28
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Thermon Group Holdings (THR) 0.6 $6.2M NEW 191k 32.57
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Playa Hotels & Resorts Nv (PLYA) 0.6 $6.1M 702k 8.65
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Si-bone (SIBN) 0.6 $6.0M -8% 287k 20.99
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Petiq (PETQ) 0.6 $6.0M +38% 304k 19.75
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Upwork (UPWK) 0.5 $5.9M +176% 397k 14.87
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Catalyst Pharmaceutical Partners (CPRX) 0.5 $5.9M +18% 349k 16.81
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Dynavax Technologies (DVAX) 0.5 $5.8M +8% 417k 13.98
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Quaker Chemical Corporation (KWR) 0.5 $5.8M +5% 27k 213.42
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Ez (EZPW) 0.5 $5.7M +10% 656k 8.74
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Visteon Corporation (VC) 0.5 $5.5M -24% 44k 124.90
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Super Micro Computer (SMCI) 0.5 $5.4M +21% 19k 284.26
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BJ's Restaurants (BJRI) 0.5 $5.4M +32% 149k 36.01
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Liveramp Holdings (RAMP) 0.5 $5.3M NEW 139k 37.88
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H&E Equipment Services (HEES) 0.5 $5.2M +7% 99k 52.32
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Assurant (AIZ) 0.5 $5.2M NEW 31k 168.49
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Informatica (INFA) 0.5 $5.2M NEW 182k 28.39
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Modine Manufacturing (MOD) 0.5 $5.2M +2% 87k 59.70
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Adtalem Global Ed (ATGE) 0.5 $5.1M NEW 87k 58.95
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Rover Group (ROVR) 0.5 $5.1M +14% 466k 10.88
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Maximus (MMS) 0.5 $5.1M +9% 60k 83.86
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Carrols Restaurant (TAST) 0.5 $4.9M NEW 624k 7.88
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Jeld-wen Hldg (JELD) 0.5 $4.9M +5% 260k 18.88
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Huron Consulting (HURN) 0.5 $4.9M -15% 48k 102.80
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Abercrombie & Fitch (ANF) 0.5 $4.9M -25% 55k 88.22
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Nextracker (NXT) 0.5 $4.8M +6% 103k 46.85
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Msa Safety Inc equity (MSA) 0.4 $4.7M NEW 28k 168.83
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Sun Ctry Airls Hldgs (SNCY) 0.4 $4.7M +5% 298k 15.73
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Silicon Motion Technology (SIMO) 0.4 $4.7M NEW 76k 61.27
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Vectrus (VVX) 0.4 $4.7M -10% 101k 46.44
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Crocs (CROX) 0.4 $4.7M -36% 50k 93.41
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Allegheny Technologies Incorporated (ATI) 0.4 $4.7M +7% 103k 45.47
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CryoLife (AORT) 0.4 $4.6M +3% 258k 17.88
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Proto Labs (PRLB) 0.4 $4.6M NEW 117k 38.96
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OSI Systems (OSIS) 0.4 $4.6M +38% 35k 129.05
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Laredo Petroleum (VTLE) 0.4 $4.5M NEW 100k 45.49
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Limbach Hldgs (LMB) 0.4 $4.5M NEW 100k 45.47
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Fastly Inc cl a (FSLY) 0.4 $4.4M +46% 250k 17.80
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ACI Worldwide (ACIW) 0.4 $4.4M NEW 144k 30.60
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International Seaways (INSW) 0.4 $4.3M +9% 95k 45.48
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VSE Corporation (VSEC) 0.4 $4.3M +38% 66k 64.61
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Aviat Networks (AVNW) 0.4 $4.2M +3% 129k 32.66
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American Superconductor (AMSC) 0.4 $4.2M NEW 376k 11.14
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Elf Beauty (ELF) 0.4 $4.1M +30% 29k 144.34
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Wingstop (WING) 0.4 $4.1M +11% 16k 256.58
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Monarch Casino & Resort (MCRI) 0.4 $4.0M +8% 59k 69.15
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Boot Barn Hldgs (BOOT) 0.4 $4.0M -15% 52k 76.76
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Evolus (EOLS) 0.4 $3.9M NEW 371k 10.53
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Livanova Plc Ord (LIVN) 0.4 $3.8M NEW 74k 51.74
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Option Care Health (OPCH) 0.4 $3.8M -32% 114k 33.69
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Clearwater Paper (CLW) 0.3 $3.8M +2% 104k 36.12
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Grocery Outlet Hldg Corp (GO) 0.3 $3.8M +20% 139k 26.96
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LeMaitre Vascular (LMAT) 0.3 $3.7M +14% 65k 56.76
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Helix Energy Solutions (HLX) 0.3 $3.7M +6% 357k 10.28
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Pinduoduo (PDD) 0.3 $3.7M 25k 146.31
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Comfort Systems USA (FIX) 0.3 $3.6M +26% 18k 205.67
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Primo Water (PRMW) 0.3 $3.6M +13% 241k 15.05
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Halozyme Therapeutics (HALO) 0.3 $3.6M +90% 96k 36.96
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Grand Canyon Education (LOPE) 0.3 $3.5M NEW 27k 132.04
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Onespaworld Holdings Ltd onespaworld hold (OSW) 0.3 $3.5M NEW 248k 14.10
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Qualys (QLYS) 0.3 $3.5M +6% 18k 196.28
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Mercantile Bank (MBWM) 0.3 $3.4M 85k 40.38
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Cadence Design Systems (CDNS) 0.3 $3.4M -26% 13k 272.37
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Gibraltar Industries (ROCK) 0.3 $3.4M +21% 43k 78.98
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Cadre Hldgs (CDRE) 0.3 $3.4M +116% 102k 32.89
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Rxsight (RXST) 0.3 $3.4M NEW 83k 40.32
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Simpson Manufacturing (SSD) 0.3 $3.3M +14% 17k 197.98
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Trex Company (TREX) 0.3 $3.3M +31% 40k 82.79
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1st Source Corporation (SRCE) 0.3 $3.3M +7% 60k 54.95
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Employers Holdings (EIG) 0.3 $3.3M -26% 83k 39.40
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Precision Drill (PDS) 0.3 $3.2M NEW 60k 54.29
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Nov (NOV) 0.3 $3.2M +11% 157k 20.28
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Oxford Industries (OXM) 0.3 $3.2M +4% 32k 100.00
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McGrath Rent (MGRC) 0.3 $3.1M +23% 26k 119.62
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Heritage Financial Corporation (HFWA) 0.3 $3.0M +3% 140k 21.39
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Matador Resources (MTDR) 0.3 $3.0M +8% 53k 56.86
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First Merchants Corporation (FRME) 0.3 $2.9M +8% 79k 37.08
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Dorian Lpg (LPG) 0.3 $2.9M NEW 66k 43.87
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Skyward Specialty Insurance Gr (SKWD) 0.3 $2.8M NEW 82k 33.88
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Rev (REVG) 0.3 $2.8M NEW 152k 18.17
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Rapid7 (RPD) 0.3 $2.8M +9% 48k 57.10
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Vita Coco Co Inc/the (COCO) 0.3 $2.7M NEW 107k 25.65
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Caleres (CAL) 0.3 $2.7M +5% 88k 30.73
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Aaon (AAON) 0.2 $2.7M NEW 36k 73.87
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ePlus (PLUS) 0.2 $2.7M +5% 33k 79.84
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Dycom Industries (DY) 0.2 $2.6M NEW 23k 115.09
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Hawkins (HWKN) 0.2 $2.6M +5% 38k 70.42
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Mannkind (MNKD) 0.2 $2.6M -9% 723k 3.64
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Blackbaud (BLKB) 0.2 $2.6M NEW 30k 86.70
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Healthequity (HQY) 0.2 $2.6M NEW 39k 66.30
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Powell Industries (POWL) 0.2 $2.5M +12% 29k 88.40
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Carpenter Technology Corporation (CRS) 0.2 $2.5M NEW 36k 70.80
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Stride (LRN) 0.2 $2.5M NEW 43k 59.37
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Magnolia Oil & Gas Corp magnolia oil & gas corp (MGY) 0.2 $2.5M +18% 117k 21.29
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Liberty Oilfield Services -a (LBRT) 0.2 $2.5M -8% 137k 18.14
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Scientific Games (LNW) 0.2 $2.5M NEW 30k 82.11
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AtriCure (ATRC) 0.2 $2.5M +46% 69k 35.69
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Hibbett Sports (HIBB) 0.2 $2.5M NEW 34k 72.02
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Gorman-Rupp Company (GRC) 0.2 $2.4M +6% 69k 35.53
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Quanterix Ord (QTRX) 0.2 $2.4M +5% 88k 27.34
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Biosante Pharmaceuticals (ANIP) 0.2 $2.4M +31% 44k 55.14
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Transcat (TRNS) 0.2 $2.4M NEW 22k 109.33
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Mirum Pharmaceuticals (MIRM) 0.2 $2.3M NEW 77k 29.52
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PDF Solutions (PDFS) 0.2 $2.2M +5% 70k 32.14
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Actuant Corp (EPAC) 0.2 $2.2M NEW 71k 31.09
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Apex Technology Acqui-cl A (AVPT) 0.2 $2.0M -43% 241k 8.21
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Taiwan Semiconductor Mfg (TSM) 0.2 $1.8M +41% 17k 104.00
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Spdr S&p 500 Etf (SPY) 0.2 $1.7M 3.6k 475.37
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Miniso Group Hold Adr Rep 4 Cl A Ord (MNSO) 0.2 $1.6M -11% 80k 20.40
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Li Auto (LI) 0.1 $1.2M -13% 33k 37.43
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Full House Resorts (FLL) 0.1 $1.2M 223k 5.37
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Microsoft Corporation (MSFT) 0.1 $1.0M -3% 2.7k 376.04
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Legend Biotech 2 Adr Rep Ord (LEGN) 0.1 $963k 16k 60.17
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TAL Education (TAL) 0.1 $695k NEW 55k 12.63
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Apple (AAPL) 0.1 $651k -30% 3.4k 192.52
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JPMorgan Chase & Co. (JPM) 0.1 $647k -5% 3.8k 170.10
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Comstock Resources (CRK) 0.1 $640k -71% 72k 8.85
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Travelers Companies (TRV) 0.0 $394k -5% 2.1k 190.50
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Arcos Dorados Holdings (ARCO) 0.0 $381k +29% 30k 12.69
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Johnson & Johnson (JNJ) 0.0 $339k -14% 2.2k 156.72
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MasterCard Incorporated (MA) 0.0 $331k -6% 775.00 426.76
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Vtex Registered Shs -a- Isin#kyg9470a1022 (VTEX) 0.0 $323k NEW 47k 6.88
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iShares Russell 2000 Growth Index (IWO) 0.0 $309k NEW 1.2k 252.22
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Amgen (AMGN) 0.0 $308k -12% 1.1k 288.13
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McDonald's Corporation (MCD) 0.0 $250k 843.00 296.48
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ResMed (RMD) 0.0 $249k 1.5k 172.02
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Despegar Com Corp ord (DESP) 0.0 $213k NEW 23k 9.46
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Iqiyi (IQ) 0.0 $98k NEW 20k 4.88
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Dada Nexus 1 Ads Rep 4 Ord (DADA) 0.0 $76k 23k 3.32
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Xenacare Hldgs 0.0 $0 140k 0.00
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A M R Corporation Xxx res 0.0 $0 18k 0.00
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Past Filings by Oberweis Asset Management

SEC 13F filings are viewable for Oberweis Asset Management going back to 2010

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