Oberweis Asset Management
Latest statistics and disclosures from Oberweis Asset Management's latest quarterly 13F-HR filing:
- Top 5 stock holdings are CRDO, LITE, RMBS, AMBA, SN, and represent 11.50% of Oberweis Asset Management's stock portfolio.
- Added to shares of these 10 stocks: LEVI (+$21M), LSCC (+$20M), PI (+$19M), LFUS (+$16M), NYT (+$15M), GDOT (+$13M), SXT (+$13M), GENI (+$13M), ZWS (+$13M), COMM (+$12M).
- Started 23 new stock positions in COUR, ETON, ZWS, LSCC, PI, LASR, GENI, AEO, PGY, ATEC. BBW, LEVI, LIVN, COMM, SHOP, CECO, LFUS, ATRC, SXT, XPRO, CAT, NYT, GDOT.
- Reduced shares in these 10 stocks: Mr Cooper Group (-$23M), PRMB (-$18M), GAP (-$17M), CRDO (-$17M), BRBR (-$15M), FN (-$15M), OSCR (-$12M), BFAM (-$9.8M), BPMC (-$9.3M), NOV (-$9.1M).
- Sold out of its positions in ACMR, BRBR, BPMC, BFAM, CDNA, DCTH, EIG, EOLS, FARO, YMM.
- Oberweis Asset Management was a net buyer of stock by $58M.
- Oberweis Asset Management has $2.6B in assets under management (AUM), dropping by 13.62%.
- Central Index Key (CIK): 0000937886
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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 | -15% | 644k | 145.61 |
|
| Lumentum Hldgs (LITE) | 2.0 | $54M | +22% | 329k | 162.71 |
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| Rambus (RMBS) | 2.0 | $53M | 508k | 104.20 |
|
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| Ambarella (AMBA) | 1.9 | $50M | +6% | 611k | 82.52 |
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| Sharkninja (SN) | 1.9 | $50M | 483k | 103.15 |
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| Applied Optoelectronics (AAOI) | 1.9 | $49M | 1.9M | 25.93 |
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| Encompass Health Corp (EHC) | 1.7 | $46M | 359k | 127.02 |
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| Frontdoor (FTDR) | 1.6 | $41M | 611k | 67.29 |
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| Adma Biologics (ADMA) | 1.5 | $40M | -13% | 2.7M | 14.66 |
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| American Superconductor (AMSC) | 1.5 | $40M | 666k | 59.39 |
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| Sportradar Group Ag Class A Ord (SRAD) | 1.4 | $37M | 1.4M | 26.90 |
|
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| NOVA MEASURING Instruments L (NVMI) | 1.4 | $36M | 113k | 319.66 |
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| Itron (ITRI) | 1.4 | $35M | 284k | 124.56 |
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| SkyWest (SKYW) | 1.3 | $33M | 331k | 100.62 |
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| Sitime Corp (SITM) | 1.2 | $32M | +44% | 106k | 301.31 |
|
| Waystar Holding Corp (WAY) | 1.2 | $32M | +12% | 837k | 37.92 |
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| Mercury Computer Systems (MRCY) | 1.2 | $31M | 399k | 77.40 |
|
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| Clean Harbors (CLH) | 1.0 | $27M | 117k | 232.22 |
|
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| Stride (LRN) | 1.0 | $27M | 182k | 148.94 |
|
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| Brightspring Health Svcs (BTSG) | 1.0 | $27M | +17% | 908k | 29.56 |
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| Primoris Services (PRIM) | 1.0 | $26M | 192k | 137.33 |
|
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| Digitalocean Hldgs (DOCN) | 1.0 | $26M | +22% | 772k | 34.16 |
|
| OSI Systems (OSIS) | 1.0 | $25M | -6% | 101k | 249.24 |
|
| Tutor Perini Corporation (TPC) | 0.9 | $25M | 378k | 65.59 |
|
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| Veracyte (VCYT) | 0.9 | $25M | 722k | 34.33 |
|
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| Rush Street Interactive (RSI) | 0.9 | $24M | +11% | 1.2M | 20.48 |
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| CommVault Systems (CVLT) | 0.9 | $24M | +2% | 129k | 188.78 |
|
| Freshworks (FRSH) | 0.9 | $24M | 2.1M | 11.77 |
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| Life Time Group Holdings (LTH) | 0.9 | $24M | +6% | 866k | 27.60 |
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| Qorvo (QRVO) | 0.9 | $24M | +30% | 261k | 91.08 |
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| Parsons Corporation (PSN) | 0.9 | $23M | -4% | 273k | 82.92 |
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| Camtek (CAMT) | 0.9 | $22M | 214k | 105.05 |
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| Pegasystems (PEGA) | 0.9 | $22M | 389k | 57.50 |
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| Everus Constr Group (ECG) | 0.9 | $22M | +12% | 260k | 85.75 |
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| M/a (MTSI) | 0.8 | $22M | 178k | 124.49 |
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| Grand Canyon Education (LOPE) | 0.8 | $22M | +10% | 100k | 219.52 |
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| Silicon Motion Technology (SIMO) | 0.8 | $22M | 231k | 94.81 |
|
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| Flowserve Corporation (FLS) | 0.8 | $22M | -21% | 409k | 53.14 |
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| Genpact (G) | 0.8 | $22M | +68% | 517k | 41.89 |
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| Blue Bird Corp (BLBD) | 0.8 | $22M | 373k | 57.55 |
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| Aar (AIR) | 0.8 | $21M | 237k | 89.67 |
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| Dutch Bros (BROS) | 0.8 | $21M | +69% | 405k | 52.34 |
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| Q2 Holdings (QTWO) | 0.8 | $21M | 292k | 72.39 |
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| Levi Strauss Co New cl a com stk (LEVI) | 0.8 | $21M | NEW | 904k | 23.30 |
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| Box Inc cl a (BOX) | 0.8 | $21M | 652k | 32.27 |
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| Genedx Holdings Corp (WGS) | 0.8 | $21M | +19% | 194k | 107.74 |
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| Arcosa (ACA) | 0.8 | $21M | 222k | 93.71 |
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| Carpenter Technology Corporation (CRS) | 0.8 | $20M | 83k | 245.54 |
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| Lattice Semiconductor (LSCC) | 0.8 | $20M | NEW | 276k | 73.32 |
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| Federal Signal Corporation (FSS) | 0.8 | $20M | 167k | 118.99 |
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| Impinj (PI) | 0.7 | $19M | NEW | 107k | 180.75 |
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| Merit Medical Systems (MMSI) | 0.7 | $19M | +9% | 232k | 83.23 |
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| Cargurus (CARG) | 0.7 | $19M | 518k | 37.23 |
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| Imax Corp Cad (IMAX) | 0.7 | $19M | 580k | 32.75 |
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| Assurant (AIZ) | 0.7 | $18M | 83k | 216.60 |
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| ICU Medical, Incorporated (ICUI) | 0.7 | $18M | 149k | 119.96 |
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| ACI Worldwide (ACIW) | 0.7 | $18M | 331k | 52.77 |
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| National Vision Hldgs (EYE) | 0.7 | $17M | 595k | 29.19 |
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| Fabrinet (FN) | 0.6 | $17M | -46% | 46k | 364.62 |
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| Urban Outfitters (URBN) | 0.6 | $17M | +10% | 234k | 71.43 |
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| Ultra Clean Holdings (UCTT) | 0.6 | $17M | 613k | 27.25 |
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| Argan (AGX) | 0.6 | $16M | -7% | 61k | 270.05 |
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| Remitly Global (RELY) | 0.6 | $16M | +68% | 1.0M | 16.30 |
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| Littelfuse (LFUS) | 0.6 | $16M | NEW | 62k | 259.01 |
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| Sprouts Fmrs Mkt (SFM) | 0.6 | $16M | +26% | 146k | 108.80 |
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| Firstcash Holdings (FCFS) | 0.6 | $16M | 98k | 158.42 |
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| Zeta Global Holdings Corp (ZETA) | 0.6 | $15M | -33% | 761k | 19.87 |
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| Solaris Oilfield Infrstr (SEI) | 0.6 | $15M | 367k | 39.97 |
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| Powell Industries (POWL) | 0.6 | $15M | +27% | 48k | 304.81 |
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| New York Times Company (NYT) | 0.6 | $15M | NEW | 252k | 57.40 |
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| Spx Corp (SPXC) | 0.5 | $14M | 77k | 186.78 |
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| Irhythm Technologies (IRTC) | 0.5 | $14M | 81k | 171.99 |
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| Healthequity (HQY) | 0.5 | $13M | +23% | 140k | 94.77 |
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| Ez (EZPW) | 0.5 | $13M | 686k | 19.04 |
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| Green Dot Corporation (GDOT) | 0.5 | $13M | NEW | 970k | 13.43 |
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| Badger Meter (BMI) | 0.5 | $13M | +21% | 73k | 178.58 |
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| Biosante Pharmaceuticals (ANIP) | 0.5 | $13M | 139k | 91.60 |
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| Sensient Technologies Corporation (SXT) | 0.5 | $13M | NEW | 134k | 93.85 |
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| Genius Sports (GENI) | 0.5 | $13M | NEW | 1.0M | 12.38 |
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| Zurn Water Solutions Corp Zws (ZWS) | 0.5 | $13M | NEW | 266k | 47.03 |
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| Interface (TILE) | 0.5 | $12M | 425k | 28.94 |
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| Commscope Hldg (COMM) | 0.5 | $12M | NEW | 791k | 15.48 |
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| Advanced Energy Industries (AEIS) | 0.5 | $12M | -39% | 70k | 170.14 |
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| Kiniksa Pharmaceuticals Intl P Ord Shs Cl A (KNSA) | 0.5 | $12M | 305k | 38.83 |
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| InterDigital (IDCC) | 0.5 | $12M | 34k | 345.23 |
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| Diodes Incorporated (DIOD) | 0.4 | $12M | 219k | 53.21 |
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| Ameris Ban (ABCB) | 0.4 | $12M | 156k | 73.31 |
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| Matador Resources (MTDR) | 0.4 | $11M | 254k | 44.93 |
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| Magnite Ord (MGNI) | 0.4 | $11M | 514k | 21.78 |
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| Qualys (QLYS) | 0.4 | $11M | 84k | 132.33 |
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| Skyward Specialty Insurance Gr (SKWD) | 0.4 | $11M | +76% | 232k | 47.56 |
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| Adaptive Biotechnologies Cor (ADPT) | 0.4 | $11M | +23% | 727k | 14.96 |
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| M/I Homes (MHO) | 0.4 | $11M | +25% | 73k | 144.44 |
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| Commerce Bancshares (CBSH) | 0.4 | $11M | 177k | 59.76 |
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| Catalyst Pharmaceutical Partners (CPRX) | 0.4 | $10M | +12% | 529k | 19.70 |
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| Onespan (OSPN) | 0.4 | $10M | 641k | 15.89 |
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| Varonis Sys (VRNS) | 0.4 | $10M | 177k | 57.47 |
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| Turning Pt Brands (TPB) | 0.4 | $10M | 101k | 98.86 |
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| LeMaitre Vascular (LMAT) | 0.4 | $10M | 114k | 87.51 |
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| Onespaworld Holdings Ltd onespaworld hold (OSW) | 0.4 | $9.8M | 465k | 21.14 |
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| Livanova Plc Ord (LIVN) | 0.4 | $9.7M | NEW | 186k | 52.38 |
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| Vita Coco Co Inc/the (COCO) | 0.4 | $9.7M | 228k | 42.47 |
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| Five9 (FIVN) | 0.4 | $9.6M | -28% | 397k | 24.20 |
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| Ibex (IBEX) | 0.4 | $9.6M | 236k | 40.52 |
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| Addus Homecare Corp (ADUS) | 0.4 | $9.2M | 78k | 117.99 |
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| Ducommun Incorporated (DCO) | 0.4 | $9.2M | 96k | 96.13 |
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| Mednax (MD) | 0.3 | $9.1M | 546k | 16.75 |
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| Cormedix Inc cormedix (CRMD) | 0.3 | $9.1M | +62% | 786k | 11.63 |
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| Dave (DAVE) | 0.3 | $9.1M | +87% | 46k | 199.35 |
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| Magnolia Oil & Gas Corp magnolia oil & gas corp (MGY) | 0.3 | $9.0M | 376k | 23.87 |
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| CryoLife (AORT) | 0.3 | $9.0M | 212k | 42.34 |
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| Natural Grocers By Vitamin C (NGVC) | 0.3 | $8.8M | +34% | 219k | 40.00 |
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| Halozyme Therapeutics (HALO) | 0.3 | $8.6M | -35% | 118k | 73.34 |
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| ExlService Holdings (EXLS) | 0.3 | $8.6M | 194k | 44.03 |
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| Hawkins (HWKN) | 0.3 | $8.4M | 46k | 182.72 |
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| American Eagle Outfitters (AEO) | 0.3 | $8.3M | NEW | 484k | 17.11 |
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| Limbach Hldgs (LMB) | 0.3 | $8.1M | 84k | 97.12 |
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| Nicolet Bankshares (NIC) | 0.3 | $8.1M | 60k | 134.50 |
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| Nlight (LASR) | 0.3 | $7.9M | NEW | 266k | 29.63 |
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| Malibu Boats (MBUU) | 0.3 | $7.7M | 238k | 32.45 |
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| Cellebrite Di Ltd Ordinary Shares (CLBT) | 0.3 | $7.7M | +4% | 415k | 18.53 |
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| Rev (REVG) | 0.3 | $7.6M | -22% | 135k | 56.67 |
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| Alpha & Omega Semiconductor (AOSL) | 0.3 | $7.6M | +10% | 271k | 27.96 |
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| VSE Corporation (VSEC) | 0.3 | $7.4M | -23% | 45k | 166.24 |
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| First Merchants Corporation (FRME) | 0.3 | $7.4M | 196k | 37.70 |
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| Liquidia Technologies (LQDA) | 0.3 | $7.3M | 321k | 22.74 |
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| CRA International (CRAI) | 0.3 | $7.3M | +83% | 35k | 208.53 |
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| Radware Ltd ord (RDWR) | 0.3 | $7.3M | 275k | 26.49 |
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| Evolv Technologi (EVLV) | 0.3 | $7.2M | 948k | 7.55 |
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| Lincoln Educational Services Corporation (LINC) | 0.3 | $7.1M | +59% | 302k | 23.50 |
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| Boot Barn Hldgs (BOOT) | 0.3 | $7.0M | 42k | 165.72 |
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| Fb Finl (FBK) | 0.3 | $6.9M | 124k | 55.74 |
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| Alphatec Holdings (ATEC) | 0.3 | $6.7M | NEW | 461k | 14.54 |
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| Weave Communications (WEAV) | 0.3 | $6.6M | 986k | 6.68 |
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| Coursera (COUR) | 0.3 | $6.6M | NEW | 561k | 11.71 |
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| Build-A-Bear Workshop (BBW) | 0.2 | $6.0M | NEW | 92k | 65.21 |
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| Huron Consulting (HURN) | 0.2 | $5.9M | 41k | 146.77 |
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| Axogen (AXGN) | 0.2 | $5.9M | 328k | 17.84 |
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| Pagaya Technologies (PGY) | 0.2 | $5.6M | NEW | 190k | 29.69 |
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| Newpark Resources (NPKI) | 0.2 | $5.6M | 497k | 11.31 |
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| Powerfleet (AIOT) | 0.2 | $5.6M | 1.1M | 5.24 |
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| Precision Drill (PDS) | 0.2 | $5.5M | 97k | 56.36 |
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| AtriCure (ATRC) | 0.2 | $5.4M | NEW | 154k | 35.25 |
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| Red Violet (RDVT) | 0.2 | $5.2M | 100k | 52.25 |
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| Expro Group Holdings Nv (XPRO) | 0.2 | $5.2M | NEW | 436k | 11.88 |
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| 1st Source Corporation (SRCE) | 0.2 | $5.1M | 83k | 61.56 |
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| Insteel Industries (IIIN) | 0.2 | $5.1M | 133k | 38.34 |
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| Backblaze (BLZE) | 0.2 | $5.0M | 539k | 9.28 |
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| CECO Environmental (CECO) | 0.2 | $4.7M | NEW | 92k | 51.20 |
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| Apex Technology Acqui-cl A (AVPT) | 0.2 | $4.4M | 296k | 15.01 |
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| Wayside Technology (CLMB) | 0.2 | $4.4M | 33k | 134.84 |
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| Gorman-Rupp Company (GRC) | 0.2 | $4.2M | 91k | 46.41 |
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| Eton Pharmaceuticals (ETON) | 0.2 | $4.2M | NEW | 192k | 21.73 |
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| Bioventus Inc - A (BVS) | 0.2 | $4.0M | 602k | 6.69 |
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| LSI Industries (LYTS) | 0.2 | $4.0M | 169k | 23.61 |
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| Lindblad Expeditions Hldgs I (LIND) | 0.1 | $3.8M | 299k | 12.80 |
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| Sea Ltd Adr Isin Us81141r1005 (SE) | 0.1 | $3.0M | +23% | 17k | 178.73 |
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| Matrix Service Company (MTRX) | 0.1 | $2.9M | 221k | 13.08 |
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| Cadence Design Systems (CDNS) | 0.1 | $2.6M | 7.4k | 351.26 |
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| Spotify Technology Sa (SPOT) | 0.1 | $2.0M | -54% | 2.8k | 698.00 |
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| Futu Hldgs (FUTU) | 0.1 | $1.9M | -3% | 11k | 173.91 |
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| Shopify Inc cl a (SHOP) | 0.1 | $1.5M | NEW | 10k | 148.61 |
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| Spdr S&p 500 Etf (SPY) | 0.1 | $1.4M | 2.2k | 666.08 |
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| Microsoft Corporation (MSFT) | 0.1 | $1.4M | 2.7k | 517.95 |
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| JPMorgan Chase & Co. (JPM) | 0.0 | $985k | -9% | 3.1k | 315.44 |
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| Pinduoduo (PDD) | 0.0 | $925k | 7.0k | 132.17 |
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| Apple (AAPL) | 0.0 | $863k | -15% | 3.4k | 254.60 |
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| Hesai Group (HSAI) | 0.0 | $787k | 28k | 28.10 |
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| Aris Water Solution Inc-a (ARIS) | 0.0 | $548k | -91% | 22k | 24.66 |
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| Travelers Companies (TRV) | 0.0 | $466k | -12% | 1.7k | 279.24 |
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| Alphabet Inc Class A cs (GOOGL) | 0.0 | $462k | 1.9k | 243.10 |
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| ResMed (RMD) | 0.0 | $397k | 1.5k | 273.73 |
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| Alphabet Inc Class C cs (GOOG) | 0.0 | $395k | 1.6k | 243.55 |
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| MasterCard Incorporated (MA) | 0.0 | $382k | -5% | 671.00 | 569.16 |
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| Johnson & Johnson (JNJ) | 0.0 | $380k | -2% | 2.0k | 185.40 |
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| Amgen (AMGN) | 0.0 | $292k | 1.0k | 282.32 |
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| Bank of New York Mellon Corporation (BK) | 0.0 | $284k | -9% | 2.6k | 108.95 |
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| Newmont Mining Corporation (NEM) | 0.0 | $267k | -11% | 3.2k | 84.32 |
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| McDonald's Corporation (MCD) | 0.0 | $259k | 852.00 | 303.83 |
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| Wal-Mart Stores (WMT) | 0.0 | $243k | -9% | 2.4k | 103.04 |
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| AFLAC Incorporated (AFL) | 0.0 | $223k | 2.0k | 111.70 |
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| Caterpillar (CAT) | 0.0 | $203k | NEW | 426.00 | 477.05 |
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| Xenacare Hldgs | 0.0 | $0 | 140k | 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
- Oberweis Asset Management 2025 Q3 filed Nov. 17, 2025
- Oberweis Asset Management 2025 Q2 filed Aug. 14, 2025
- Oberweis Asset Management 2025 Q1 filed May 15, 2025
- Oberweis Asset Management 2024 Q4 filed Feb. 14, 2025
- Oberweis Asset Management 2024 Q3 filed Nov. 14, 2024
- Oberweis Asset Management 2024 Q2 filed Aug. 14, 2024
- Oberweis Asset Management 2024 Q1 filed May 15, 2024
- Oberweis Asset Management 2023 Q4 filed Feb. 14, 2024
- Oberweis Asset Management 2023 Q3 filed Nov. 14, 2023
- Oberweis Asset Management 2023 Q2 filed Aug. 14, 2023
- Oberweis Asset Management 2023 Q1 filed May 15, 2023
- Oberweis Asset Management 2022 Q4 filed Feb. 14, 2023
- Oberweis Asset Management 2022 Q3 filed Nov. 14, 2022
- Oberweis Asset Management 2022 Q2 filed Aug. 15, 2022
- Oberweis Asset Management 2022 Q1 filed May 16, 2022
- Oberweis Asset Management 2021 Q4 filed Feb. 14, 2022