Oberweis Asset Management as of Sept. 30, 2025
Portfolio Holdings for Oberweis Asset Management
Oberweis Asset Management holds 183 positions in its portfolio as reported in the September 2025 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price |
|---|---|---|---|---|---|
| Credo Technology Group Holding (CRDO) | 3.6 | $94M | 644k | 145.61 | |
| Lumentum Hldgs (LITE) | 2.0 | $54M | 329k | 162.71 | |
| Rambus (RMBS) | 2.0 | $53M | 508k | 104.20 | |
| Ambarella (AMBA) | 1.9 | $50M | 611k | 82.52 | |
| Sharkninja (SN) | 1.9 | $50M | 483k | 103.15 | |
| Applied Optoelectronics (AAOI) | 1.9 | $49M | 1.9M | 25.93 | |
| Encompass Health Corp (EHC) | 1.7 | $46M | 359k | 127.02 | |
| Frontdoor (FTDR) | 1.6 | $41M | 611k | 67.29 | |
| Adma Biologics (ADMA) | 1.5 | $40M | 2.7M | 14.66 | |
| American Superconductor (AMSC) | 1.5 | $40M | 666k | 59.39 | |
| Sportradar Group Ag Class A Ord (SRAD) | 1.4 | $37M | 1.4M | 26.90 | |
| NOVA MEASURING Instruments L (NVMI) | 1.4 | $36M | 113k | 319.66 | |
| Itron (ITRI) | 1.4 | $35M | 284k | 124.56 | |
| SkyWest (SKYW) | 1.3 | $33M | 331k | 100.62 | |
| Sitime Corp (SITM) | 1.2 | $32M | 106k | 301.31 | |
| Waystar Holding Corp (WAY) | 1.2 | $32M | 837k | 37.92 | |
| Mercury Computer Systems (MRCY) | 1.2 | $31M | 399k | 77.40 | |
| Clean Harbors (CLH) | 1.0 | $27M | 117k | 232.22 | |
| Stride (LRN) | 1.0 | $27M | 182k | 148.94 | |
| Brightspring Health Svcs (BTSG) | 1.0 | $27M | 908k | 29.56 | |
| Primoris Services (PRIM) | 1.0 | $26M | 192k | 137.33 | |
| Digitalocean Hldgs (DOCN) | 1.0 | $26M | 772k | 34.16 | |
| OSI Systems (OSIS) | 1.0 | $25M | 101k | 249.24 | |
| Tutor Perini Corporation (TPC) | 0.9 | $25M | 378k | 65.59 | |
| Veracyte (VCYT) | 0.9 | $25M | 722k | 34.33 | |
| Rush Street Interactive (RSI) | 0.9 | $24M | 1.2M | 20.48 | |
| CommVault Systems (CVLT) | 0.9 | $24M | 129k | 188.78 | |
| Freshworks (FRSH) | 0.9 | $24M | 2.1M | 11.77 | |
| Life Time Group Holdings (LTH) | 0.9 | $24M | 866k | 27.60 | |
| Qorvo (QRVO) | 0.9 | $24M | 261k | 91.08 | |
| Parsons Corporation (PSN) | 0.9 | $23M | 273k | 82.92 | |
| Camtek (CAMT) | 0.9 | $22M | 214k | 105.05 | |
| Pegasystems (PEGA) | 0.9 | $22M | 389k | 57.50 | |
| Everus Constr Group (ECG) | 0.9 | $22M | 260k | 85.75 | |
| M/a (MTSI) | 0.8 | $22M | 178k | 124.49 | |
| Grand Canyon Education (LOPE) | 0.8 | $22M | 100k | 219.52 | |
| Silicon Motion Technology (SIMO) | 0.8 | $22M | 231k | 94.81 | |
| Flowserve Corporation (FLS) | 0.8 | $22M | 409k | 53.14 | |
| Genpact (G) | 0.8 | $22M | 517k | 41.89 | |
| Blue Bird Corp (BLBD) | 0.8 | $22M | 373k | 57.55 | |
| Aar (AIR) | 0.8 | $21M | 237k | 89.67 | |
| Dutch Bros (BROS) | 0.8 | $21M | 405k | 52.34 | |
| Q2 Holdings (QTWO) | 0.8 | $21M | 292k | 72.39 | |
| Levi Strauss Co New cl a com stk (LEVI) | 0.8 | $21M | 904k | 23.30 | |
| Box Inc cl a (BOX) | 0.8 | $21M | 652k | 32.27 | |
| Genedx Holdings Corp (WGS) | 0.8 | $21M | 194k | 107.74 | |
| Arcosa (ACA) | 0.8 | $21M | 222k | 93.71 | |
| Carpenter Technology Corporation (CRS) | 0.8 | $20M | 83k | 245.54 | |
| Lattice Semiconductor (LSCC) | 0.8 | $20M | 276k | 73.32 | |
| Federal Signal Corporation (FSS) | 0.8 | $20M | 167k | 118.99 | |
| Impinj (PI) | 0.7 | $19M | 107k | 180.75 | |
| Merit Medical Systems (MMSI) | 0.7 | $19M | 232k | 83.23 | |
| Cargurus (CARG) | 0.7 | $19M | 518k | 37.23 | |
| Imax Corp Cad (IMAX) | 0.7 | $19M | 580k | 32.75 | |
| Assurant (AIZ) | 0.7 | $18M | 83k | 216.60 | |
| ICU Medical, Incorporated (ICUI) | 0.7 | $18M | 149k | 119.96 | |
| ACI Worldwide (ACIW) | 0.7 | $18M | 331k | 52.77 | |
| National Vision Hldgs (EYE) | 0.7 | $17M | 595k | 29.19 | |
| Fabrinet (FN) | 0.6 | $17M | 46k | 364.62 | |
| Urban Outfitters (URBN) | 0.6 | $17M | 234k | 71.43 | |
| Ultra Clean Holdings (UCTT) | 0.6 | $17M | 613k | 27.25 | |
| Argan (AGX) | 0.6 | $16M | 61k | 270.05 | |
| Remitly Global (RELY) | 0.6 | $16M | 1.0M | 16.30 | |
| Littelfuse (LFUS) | 0.6 | $16M | 62k | 259.01 | |
| Sprouts Fmrs Mkt (SFM) | 0.6 | $16M | 146k | 108.80 | |
| Firstcash Holdings (FCFS) | 0.6 | $16M | 98k | 158.42 | |
| Zeta Global Holdings Corp (ZETA) | 0.6 | $15M | 761k | 19.87 | |
| Solaris Oilfield Infrstr (SEI) | 0.6 | $15M | 367k | 39.97 | |
| Powell Industries (POWL) | 0.6 | $15M | 48k | 304.81 | |
| New York Times Company (NYT) | 0.6 | $15M | 252k | 57.40 | |
| Spx Corp (SPXC) | 0.5 | $14M | 77k | 186.78 | |
| Irhythm Technologies (IRTC) | 0.5 | $14M | 81k | 171.99 | |
| Healthequity (HQY) | 0.5 | $13M | 140k | 94.77 | |
| Ez (EZPW) | 0.5 | $13M | 686k | 19.04 | |
| Green Dot Corporation (GDOT) | 0.5 | $13M | 970k | 13.43 | |
| Badger Meter (BMI) | 0.5 | $13M | 73k | 178.58 | |
| Biosante Pharmaceuticals (ANIP) | 0.5 | $13M | 139k | 91.60 | |
| Sensient Technologies Corporation (SXT) | 0.5 | $13M | 134k | 93.85 | |
| Genius Sports (GENI) | 0.5 | $13M | 1.0M | 12.38 | |
| Zurn Water Solutions Corp Zws (ZWS) | 0.5 | $13M | 266k | 47.03 | |
| Interface (TILE) | 0.5 | $12M | 425k | 28.94 | |
| Commscope Hldg (COMM) | 0.5 | $12M | 791k | 15.48 | |
| Advanced Energy Industries (AEIS) | 0.5 | $12M | 70k | 170.14 | |
| Kiniksa Pharmaceuticals Intl P Ord Shs Cl A (KNSA) | 0.5 | $12M | 305k | 38.83 | |
| InterDigital (IDCC) | 0.5 | $12M | 34k | 345.23 | |
| Diodes Incorporated (DIOD) | 0.4 | $12M | 219k | 53.21 | |
| Ameris Ban (ABCB) | 0.4 | $12M | 156k | 73.31 | |
| Matador Resources (MTDR) | 0.4 | $11M | 254k | 44.93 | |
| Magnite Ord (MGNI) | 0.4 | $11M | 514k | 21.78 | |
| Qualys (QLYS) | 0.4 | $11M | 84k | 132.33 | |
| Skyward Specialty Insurance Gr (SKWD) | 0.4 | $11M | 232k | 47.56 | |
| Adaptive Biotechnologies Cor (ADPT) | 0.4 | $11M | 727k | 14.96 | |
| M/I Homes (MHO) | 0.4 | $11M | 73k | 144.44 | |
| Commerce Bancshares (CBSH) | 0.4 | $11M | 177k | 59.76 | |
| Catalyst Pharmaceutical Partners (CPRX) | 0.4 | $10M | 529k | 19.70 | |
| Onespan (OSPN) | 0.4 | $10M | 641k | 15.89 | |
| Varonis Sys (VRNS) | 0.4 | $10M | 177k | 57.47 | |
| Turning Pt Brands (TPB) | 0.4 | $10M | 101k | 98.86 | |
| LeMaitre Vascular (LMAT) | 0.4 | $10M | 114k | 87.51 | |
| Onespaworld Holdings Ltd onespaworld hold (OSW) | 0.4 | $9.8M | 465k | 21.14 | |
| Livanova Plc Ord (LIVN) | 0.4 | $9.7M | 186k | 52.38 | |
| Vita Coco Co Inc/the (COCO) | 0.4 | $9.7M | 228k | 42.47 | |
| Five9 (FIVN) | 0.4 | $9.6M | 397k | 24.20 | |
| Ibex (IBEX) | 0.4 | $9.6M | 236k | 40.52 | |
| Addus Homecare Corp (ADUS) | 0.4 | $9.2M | 78k | 117.99 | |
| Ducommun Incorporated (DCO) | 0.4 | $9.2M | 96k | 96.13 | |
| Mednax (MD) | 0.3 | $9.1M | 546k | 16.75 | |
| Cormedix Inc cormedix (CRMD) | 0.3 | $9.1M | 786k | 11.63 | |
| Dave (DAVE) | 0.3 | $9.1M | 46k | 199.35 | |
| Magnolia Oil & Gas Corp magnolia oil & gas corp (MGY) | 0.3 | $9.0M | 376k | 23.87 | |
| CryoLife (AORT) | 0.3 | $9.0M | 212k | 42.34 | |
| Natural Grocers By Vitamin C (NGVC) | 0.3 | $8.8M | 219k | 40.00 | |
| Halozyme Therapeutics (HALO) | 0.3 | $8.6M | 118k | 73.34 | |
| ExlService Holdings (EXLS) | 0.3 | $8.6M | 194k | 44.03 | |
| Hawkins (HWKN) | 0.3 | $8.4M | 46k | 182.72 | |
| American Eagle Outfitters (AEO) | 0.3 | $8.3M | 484k | 17.11 | |
| Limbach Hldgs (LMB) | 0.3 | $8.1M | 84k | 97.12 | |
| Nicolet Bankshares (NIC) | 0.3 | $8.1M | 60k | 134.50 | |
| Nlight (LASR) | 0.3 | $7.9M | 266k | 29.63 | |
| Malibu Boats (MBUU) | 0.3 | $7.7M | 238k | 32.45 | |
| Cellebrite Di Ltd Ordinary Shares (CLBT) | 0.3 | $7.7M | 415k | 18.53 | |
| Rev (REVG) | 0.3 | $7.6M | 135k | 56.67 | |
| Alpha & Omega Semiconductor (AOSL) | 0.3 | $7.6M | 271k | 27.96 | |
| VSE Corporation (VSEC) | 0.3 | $7.4M | 45k | 166.24 | |
| First Merchants Corporation (FRME) | 0.3 | $7.4M | 196k | 37.70 | |
| Liquidia Technologies (LQDA) | 0.3 | $7.3M | 321k | 22.74 | |
| CRA International (CRAI) | 0.3 | $7.3M | 35k | 208.53 | |
| Radware Ltd ord (RDWR) | 0.3 | $7.3M | 275k | 26.49 | |
| Evolv Technologi (EVLV) | 0.3 | $7.2M | 948k | 7.55 | |
| Lincoln Educational Services Corporation (LINC) | 0.3 | $7.1M | 302k | 23.50 | |
| Boot Barn Hldgs (BOOT) | 0.3 | $7.0M | 42k | 165.72 | |
| Fb Finl (FBK) | 0.3 | $6.9M | 124k | 55.74 | |
| Alphatec Holdings (ATEC) | 0.3 | $6.7M | 461k | 14.54 | |
| Weave Communications (WEAV) | 0.3 | $6.6M | 986k | 6.68 | |
| Coursera (COUR) | 0.3 | $6.6M | 561k | 11.71 | |
| Build-A-Bear Workshop (BBW) | 0.2 | $6.0M | 92k | 65.21 | |
| Huron Consulting (HURN) | 0.2 | $5.9M | 41k | 146.77 | |
| Axogen (AXGN) | 0.2 | $5.9M | 328k | 17.84 | |
| Pagaya Technologies (PGY) | 0.2 | $5.6M | 190k | 29.69 | |
| Newpark Resources (NPKI) | 0.2 | $5.6M | 497k | 11.31 | |
| Powerfleet (AIOT) | 0.2 | $5.6M | 1.1M | 5.24 | |
| Precision Drill (PDS) | 0.2 | $5.5M | 97k | 56.36 | |
| AtriCure (ATRC) | 0.2 | $5.4M | 154k | 35.25 | |
| Red Violet (RDVT) | 0.2 | $5.2M | 100k | 52.25 | |
| Expro Group Holdings Nv (XPRO) | 0.2 | $5.2M | 436k | 11.88 | |
| 1st Source Corporation (SRCE) | 0.2 | $5.1M | 83k | 61.56 | |
| Insteel Industries (IIIN) | 0.2 | $5.1M | 133k | 38.34 | |
| Backblaze (BLZE) | 0.2 | $5.0M | 539k | 9.28 | |
| CECO Environmental (CECO) | 0.2 | $4.7M | 92k | 51.20 | |
| Apex Technology Acqui-cl A (AVPT) | 0.2 | $4.4M | 296k | 15.01 | |
| Wayside Technology (CLMB) | 0.2 | $4.4M | 33k | 134.84 | |
| Gorman-Rupp Company (GRC) | 0.2 | $4.2M | 91k | 46.41 | |
| Eton Pharmaceuticals (ETON) | 0.2 | $4.2M | 192k | 21.73 | |
| Bioventus Inc - A (BVS) | 0.2 | $4.0M | 602k | 6.69 | |
| LSI Industries (LYTS) | 0.2 | $4.0M | 169k | 23.61 | |
| Lindblad Expeditions Hldgs I (LIND) | 0.1 | $3.8M | 299k | 12.80 | |
| Sea Ltd Adr Isin Us81141r1005 (SE) | 0.1 | $3.0M | 17k | 178.73 | |
| Matrix Service Company (MTRX) | 0.1 | $2.9M | 221k | 13.08 | |
| Cadence Design Systems (CDNS) | 0.1 | $2.6M | 7.4k | 351.26 | |
| Spotify Technology Sa (SPOT) | 0.1 | $2.0M | 2.8k | 698.00 | |
| Futu Hldgs (FUTU) | 0.1 | $1.9M | 11k | 173.91 | |
| Shopify Inc cl a (SHOP) | 0.1 | $1.5M | 10k | 148.61 | |
| Spdr S&p 500 Etf (SPY) | 0.1 | $1.4M | 2.2k | 666.08 | |
| Microsoft Corporation (MSFT) | 0.1 | $1.4M | 2.7k | 517.95 | |
| JPMorgan Chase & Co. (JPM) | 0.0 | $985k | 3.1k | 315.44 | |
| Pinduoduo (PDD) | 0.0 | $925k | 7.0k | 132.17 | |
| Apple (AAPL) | 0.0 | $863k | 3.4k | 254.60 | |
| Hesai Group (HSAI) | 0.0 | $787k | 28k | 28.10 | |
| Aris Water Solution Inc-a (ARIS) | 0.0 | $548k | 22k | 24.66 | |
| Travelers Companies (TRV) | 0.0 | $466k | 1.7k | 279.24 | |
| Alphabet Inc Class A cs (GOOGL) | 0.0 | $462k | 1.9k | 243.10 | |
| ResMed (RMD) | 0.0 | $397k | 1.5k | 273.73 | |
| Alphabet Inc Class C cs (GOOG) | 0.0 | $395k | 1.6k | 243.55 | |
| MasterCard Incorporated (MA) | 0.0 | $382k | 671.00 | 569.16 | |
| Johnson & Johnson (JNJ) | 0.0 | $380k | 2.0k | 185.40 | |
| Amgen (AMGN) | 0.0 | $292k | 1.0k | 282.32 | |
| Bank of New York Mellon Corporation (BK) | 0.0 | $284k | 2.6k | 108.95 | |
| Newmont Mining Corporation (NEM) | 0.0 | $267k | 3.2k | 84.32 | |
| McDonald's Corporation (MCD) | 0.0 | $259k | 852.00 | 303.83 | |
| Wal-Mart Stores (WMT) | 0.0 | $243k | 2.4k | 103.04 | |
| AFLAC Incorporated (AFL) | 0.0 | $223k | 2.0k | 111.70 | |
| Caterpillar (CAT) | 0.0 | $203k | 426.00 | 477.05 | |
| Xenacare Hldgs | 0.0 | $0 | 140k | 0.00 |
