Oberweis Asset Management
Latest statistics and disclosures from Oberweis Asset Management's latest quarterly 13F-HR filing:
- Top 5 stock holdings are CRDO, AAOI, DOCN, SIMO, UCTT, and represent 18.28% of Oberweis Asset Management's stock portfolio.
- Added to shares of these 10 stocks: POWL (+$42M), MXL (+$41M), NOVT (+$40M), BLLN (+$36M), ESI (+$35M), OUST (+$34M), HNGE (+$32M), CGNX (+$31M), GVA (+$31M), PDFS (+$30M).
- Started 23 new stock positions in NOVT, MXL, OPLN, FORM, TRS, Expro Ltd Ord, GVA, CHEF, KGS, PDFS. MYRG, KFRC, WLDN, VVX, OMDA, CGNX, INOD, WTS, BLLN, LLY, OUST, ESI, INTC.
- Reduced shares in these 10 stocks: LITE (-$167M), AAOI (-$83M), , , , ATEC (-$21M), EYE (-$21M), PEGA (-$19M), AEO (-$17M), WGS (-$17M).
- Sold out of its positions in ATEC, AEO, BRCB, CRAI, COUR, AORT, XOM, FLS, FUTU, HURN.
- Oberweis Asset Management was a net buyer of stock by $282M.
- Oberweis Asset Management has $4.8B in assets under management (AUM), dropping by 42.94%.
- Central Index Key (CIK): 0000937886
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Portfolio Holdings for Oberweis Asset Management
Oberweis Asset Management holds 176 positions in its portfolio as reported in the June 2026 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price | |
|---|---|---|---|---|---|---|
| Credo Technology Group Holding (CRDO) | 5.7 | $276M | 1.0M | 271.95 |
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| Applied Optoelectronics (AAOI) | 5.5 | $265M | -23% | 1.8M | 148.16 |
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| Digitalocean Hldgs (DOCN) | 3.0 | $146M | 930k | 157.03 |
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| Silicon Motion Technology (SIMO) | 2.2 | $105M | +11% | 316k | 333.33 |
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| Ultra Clean Holdings (UCTT) | 1.9 | $92M | 647k | 142.59 |
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| Sharkninja (SN) | 1.9 | $90M | 594k | 152.27 |
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| Sitime Corp (SITM) | 1.8 | $89M | 120k | 745.56 |
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| Brightspring Health Svcs (BTSG) | 1.7 | $83M | +2% | 1.2M | 69.74 |
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| Hinge Health Inc Cl A (HNGE) | 1.5 | $71M | +83% | 856k | 83.00 |
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| Rambus (RMBS) | 1.4 | $70M | 527k | 132.74 |
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| M/a (MTSI) | 1.4 | $68M | -16% | 179k | 380.37 |
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| Lumentum Hldgs (LITE) | 1.3 | $62M | -72% | 72k | 858.06 |
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| Lattice Semiconductor (LSCC) | 1.2 | $60M | +4% | 392k | 152.96 |
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| NOVA MEASURING Instruments L (NVMI) | 1.2 | $59M | -21% | 109k | 542.94 |
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| Carpenter Technology Corporation (CRS) | 1.2 | $58M | 93k | 616.84 |
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| Frontdoor (FTDR) | 1.2 | $56M | 719k | 77.59 |
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| Everus Constr Group (ECG) | 1.1 | $55M | 328k | 165.95 |
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| Veracyte (VCYT) | 1.1 | $52M | +4% | 878k | 58.73 |
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| Powell Industries (POWL) | 1.1 | $51M | +425% | 180k | 286.36 |
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| Life Time Group Holdings (LTH) | 1.0 | $49M | +2% | 1.2M | 40.84 |
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| Rush Street Interactive (RSI) | 1.0 | $48M | +13% | 1.6M | 29.74 |
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| Mercury Computer Systems (MRCY) | 1.0 | $48M | 393k | 122.33 |
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| Dutch Bros (BROS) | 1.0 | $47M | +9% | 656k | 71.81 |
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| Clean Harbors (CLH) | 0.9 | $46M | +6% | 154k | 298.75 |
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| Solaris Oilfield Infrstr (SEI) | 0.9 | $45M | +6% | 565k | 80.46 |
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| Diodes Incorporated (DIOD) | 0.9 | $45M | +84% | 414k | 109.44 |
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| Arcosa (ACA) | 0.9 | $43M | +10% | 296k | 145.29 |
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| Blue Bird Corp (BLBD) | 0.9 | $42M | +36% | 530k | 78.96 |
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| Camtek (CAMT) | 0.9 | $41M | +13% | 253k | 163.12 |
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| Livanova Plc Ord (LIVN) | 0.8 | $41M | +55% | 500k | 82.23 |
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| American Superconductor (AMSC) | 0.8 | $41M | +16% | 988k | 41.51 |
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| MaxLinear (MXL) | 0.8 | $41M | NEW | 320k | 128.03 |
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| Globus Med Inc cl a (GMED) | 0.8 | $41M | +30% | 512k | 79.01 |
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| Novanta (NOVT) | 0.8 | $40M | NEW | 244k | 162.24 |
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| SkyWest (SKYW) | 0.8 | $38M | -2% | 384k | 99.33 |
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| Viavi Solutions Inc equities (VIAV) | 0.8 | $38M | +33% | 794k | 47.75 |
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| Moog (MOG.A) | 0.8 | $37M | +93% | 87k | 423.84 |
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| Littelfuse (LFUS) | 0.8 | $36M | +11% | 80k | 455.33 |
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| Arcutis Biotherapeutics (ARQT) | 0.7 | $36M | 1.4M | 26.22 |
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| Firstcash Holdings (FCFS) | 0.7 | $36M | 166k | 216.32 |
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| Billiontoone Inc Cl A (BLLN) | 0.7 | $36M | NEW | 299k | 119.98 |
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| Dana Holding Corporation (DAN) | 0.7 | $36M | -18% | 1.3M | 27.21 |
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| Element Solutions (ESI) | 0.7 | $35M | NEW | 740k | 47.75 |
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| Aar (AIR) | 0.7 | $35M | 246k | 142.93 |
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| Remitly Global (RELY) | 0.7 | $35M | +7% | 1.6M | 22.41 |
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| ICU Medical, Incorporated (ICUI) | 0.7 | $35M | +16% | 237k | 146.60 |
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| Federal Signal Corporation (FSS) | 0.7 | $35M | 269k | 128.49 |
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| Ouster (OUST) | 0.7 | $34M | NEW | 546k | 62.52 |
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| Levi Strauss Co New cl a com stk (LEVI) | 0.7 | $34M | +16% | 1.4M | 24.83 |
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| Merit Medical Systems (MMSI) | 0.7 | $33M | +11% | 473k | 69.34 |
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| Assurant (AIZ) | 0.7 | $33M | +19% | 122k | 268.53 |
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| Waystar Holding Corp (WAY) | 0.7 | $33M | +36% | 1.6M | 20.53 |
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| CECO Environmental (CECO) | 0.7 | $33M | +165% | 358k | 90.74 |
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| Liquidia Technologies (LQDA) | 0.7 | $32M | +9% | 406k | 79.73 |
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| Encompass Health Corp (EHC) | 0.7 | $32M | +9% | 317k | 101.08 |
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| Indivior Pharmaceuticals (INDV) | 0.7 | $32M | +19% | 779k | 41.03 |
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| Cognex Corporation (CGNX) | 0.6 | $31M | NEW | 428k | 72.42 |
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| Granite Construction (GVA) | 0.6 | $31M | NEW | 193k | 158.08 |
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| PDF Solutions (PDFS) | 0.6 | $30M | NEW | 426k | 70.79 |
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| Envista Hldgs Corp (NVST) | 0.6 | $30M | +68% | 1.1M | 26.35 |
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| Dave (DAVE) | 0.6 | $29M | +18% | 79k | 372.59 |
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| Ambarella (AMBA) | 0.6 | $29M | +15% | 342k | 85.80 |
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| Nlight (LASR) | 0.6 | $29M | +13% | 413k | 69.62 |
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| Myr (MYRG) | 0.6 | $27M | NEW | 54k | 500.40 |
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| Adaptive Biotechnologies Cor (ADPT) | 0.6 | $27M | +55% | 1.3M | 21.45 |
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| D R S Technologies (DRS) | 0.6 | $27M | +39% | 629k | 42.67 |
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| Tutor Perini Corporation (TPC) | 0.6 | $27M | -17% | 323k | 82.97 |
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| Kodiak Gas Svcs (KGS) | 0.6 | $27M | NEW | 356k | 75.13 |
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| Kiniksa Pharmaceuticals Intl P Ord Shs Cl A (KNSA) | 0.5 | $26M | +29% | 413k | 63.95 |
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| Chime Finl (CHYM) | 0.5 | $26M | +22% | 1.3M | 20.48 |
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| Alignment Healthcare (ALHC) | 0.5 | $26M | +12% | 1.1M | 23.81 |
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| Halozyme Therapeutics (HALO) | 0.5 | $25M | +45% | 321k | 78.27 |
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| Irhythm Technologies (IRTC) | 0.5 | $24M | +29% | 202k | 118.95 |
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| Ameris Ban (ABCB) | 0.5 | $24M | 265k | 90.26 |
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| Zurn Water Solutions Corp Zws (ZWS) | 0.5 | $24M | +33% | 469k | 50.53 |
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| OSI Systems (OSIS) | 0.5 | $23M | 107k | 218.70 |
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| Omada Health (OMDA) | 0.5 | $23M | NEW | 1.0M | 21.95 |
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| Urban Outfitters (URBN) | 0.5 | $22M | 316k | 70.86 |
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| Biosante Pharmaceuticals (ANIP) | 0.5 | $22M | +19% | 265k | 82.78 |
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| Ez (EZPW) | 0.5 | $22M | 632k | 34.57 |
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| Core Natural Resources (CNR) | 0.4 | $22M | 271k | 80.02 |
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| Ducommun Incorporated (DCO) | 0.4 | $21M | +13% | 114k | 185.21 |
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| Skyward Specialty Insurance Gr (SKWD) | 0.4 | $21M | +9% | 359k | 58.35 |
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| Willdan (WLDN) | 0.4 | $21M | NEW | 263k | 79.10 |
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| A10 Networks (ATEN) | 0.4 | $21M | +9% | 552k | 37.36 |
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| Healthequity (HQY) | 0.4 | $21M | +36% | 228k | 90.32 |
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| Super Group Sghc (SGHC) | 0.4 | $21M | 1.5M | 13.55 |
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| Spx Corp (SPXC) | 0.4 | $21M | 84k | 245.17 |
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| FormFactor (FORM) | 0.4 | $20M | NEW | 127k | 159.93 |
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| Watts Water Technologies (WTS) | 0.4 | $20M | NEW | 51k | 391.45 |
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| KAR Auction Services (OPLN) | 0.4 | $20M | NEW | 481k | 41.24 |
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| Q2 Holdings (QTWO) | 0.4 | $20M | +3% | 410k | 48.10 |
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| Box Inc cl a (BOX) | 0.4 | $20M | -3% | 743k | 26.54 |
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| VSE Corporation (VSEC) | 0.4 | $20M | +153% | 86k | 228.50 |
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| Benchmark Electronics (BHE) | 0.4 | $20M | 198k | 98.67 |
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| New York Times Company (NYT) | 0.4 | $19M | +30% | 277k | 69.98 |
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| Advanced Energy Industries (AEIS) | 0.4 | $18M | 49k | 372.87 |
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| Eton Pharmaceuticals (ETON) | 0.4 | $18M | +14% | 502k | 36.20 |
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| Axogen (AXGN) | 0.4 | $18M | +13% | 388k | 46.19 |
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| Fabrinet (FN) | 0.4 | $17M | 30k | 562.08 |
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| Argan (AGX) | 0.3 | $17M | -36% | 21k | 798.55 |
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| Commscope Hldg (VISN) | 0.3 | $17M | +18% | 1.3M | 12.78 |
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| Trimas Corporation (TRS) | 0.3 | $16M | NEW | 362k | 45.03 |
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| Zeta Global Holdings Corp (ZETA) | 0.3 | $16M | -5% | 820k | 19.68 |
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| Seacoast Bkg Corp Fla (SBCF) | 0.3 | $16M | +26% | 478k | 33.25 |
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| Interface (TILE) | 0.3 | $16M | 443k | 35.84 |
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| Mednax (MD) | 0.3 | $16M | -11% | 623k | 25.33 |
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| Propetro Hldg (PUMP) | 0.3 | $16M | +13% | 1.1M | 14.34 |
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| Fastly Inc cl a (FSLY) | 0.3 | $16M | -20% | 852k | 18.36 |
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| Matador Resources (MTDR) | 0.3 | $16M | 314k | 49.78 |
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| Onespaworld Holdings Ltd onespaworld hold (OSW) | 0.3 | $16M | +13% | 553k | 28.24 |
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| LeMaitre Vascular (LMAT) | 0.3 | $15M | +6% | 159k | 95.96 |
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| Calix (CALX) | 0.3 | $15M | +20% | 402k | 37.32 |
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| Arlo Technologies (ARLO) | 0.3 | $15M | +11% | 1.1M | 13.48 |
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| Innodata Isogen (INOD) | 0.3 | $14M | NEW | 189k | 75.58 |
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| Magnite Ord (MGNI) | 0.3 | $14M | +13% | 735k | 18.98 |
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| Nicolet Bankshares (NIC) | 0.3 | $14M | +11% | 83k | 165.39 |
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| M/I Homes (MHO) | 0.3 | $13M | +9% | 83k | 160.79 |
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| Grand Canyon Education (LOPE) | 0.3 | $13M | -20% | 93k | 143.11 |
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| Imax Corp Cad (IMAX) | 0.3 | $13M | -43% | 327k | 39.86 |
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| ePlus (PLUS) | 0.3 | $13M | +9% | 151k | 83.23 |
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| Knowles (KN) | 0.3 | $12M | +25% | 293k | 41.48 |
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| InterDigital (IDCC) | 0.3 | $12M | 43k | 283.13 |
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| Boot Barn Hldgs (BOOT) | 0.2 | $12M | +7% | 73k | 164.27 |
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| Lindblad Expeditions Hldgs I (LIND) | 0.2 | $12M | +11% | 421k | 28.24 |
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| Magnolia Oil & Gas Corp magnolia oil & gas corp (MGY) | 0.2 | $12M | 457k | 25.58 |
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| Vectrus (VVX) | 0.2 | $11M | NEW | 147k | 74.56 |
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| Evolv Technologi (EVLV) | 0.2 | $11M | +9% | 1.8M | 5.80 |
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| Cormedix Inc cormedix (CRMD) | 0.2 | $10M | +9% | 1.3M | 7.85 |
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| Gorman-Rupp Company (GRC) | 0.2 | $10M | +14% | 109k | 91.74 |
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| Fb Finl (FBK) | 0.2 | $9.8M | +9% | 177k | 55.35 |
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| Phibro Animal Health Corporati*on Cmn Class A (PAHC) | 0.2 | $9.8M | +12% | 311k | 31.40 |
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| Newpark Resources (NPKI) | 0.2 | $9.3M | +13% | 588k | 15.91 |
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| American Public Education (APEI) | 0.2 | $9.3M | +32% | 172k | 53.70 |
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| Catalyst Pharmaceutical Partners (CPRX) | 0.2 | $9.2M | -62% | 294k | 31.43 |
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| Addus Homecare Corp (ADUS) | 0.2 | $9.0M | 90k | 100.47 |
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| Babcock & Wilcox Enterpr (BW) | 0.2 | $8.9M | +25% | 628k | 14.10 |
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| Radware Ltd ord (RDWR) | 0.2 | $8.8M | 286k | 30.86 |
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| Amprius Technologies (AMPX) | 0.2 | $8.8M | +8% | 636k | 13.86 |
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| Precision Drill (PDS) | 0.2 | $8.5M | 111k | 76.66 |
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| Kforce (KFRC) | 0.2 | $8.3M | NEW | 176k | 46.92 |
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| 1st Source Corporation (SRCE) | 0.2 | $7.7M | +8% | 94k | 81.58 |
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| PC Connection (CNXN) | 0.2 | $7.6M | +8% | 104k | 72.99 |
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| Red Violet (RDVT) | 0.2 | $7.6M | +13% | 119k | 63.72 |
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| Bioventus Inc - A (BVS) | 0.1 | $6.7M | +12% | 710k | 9.44 |
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| Expro Ltd Ord | 0.1 | $6.7M | NEW | 452k | 14.77 |
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| Chefs Whse (CHEF) | 0.1 | $5.5M | NEW | 58k | 96.10 |
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| Vita Coco Co Inc/the (COCO) | 0.1 | $5.5M | -46% | 84k | 66.14 |
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| Rocky Brands (RCKY) | 0.1 | $4.9M | 118k | 41.24 |
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| SPDR S&P 500 ETF Trust Etf (SPY) | 0.0 | $1.8M | 2.4k | 746.76 |
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| Acm Research (ACMR) | 0.0 | $1.6M | 13k | 126.89 |
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| JPMorgan Chase & Co. (JPM) | 0.0 | $1.0M | 3.2k | 327.31 |
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| Apple (AAPL) | 0.0 | $1.0M | 3.5k | 289.33 |
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| Microsoft Corporation (MSFT) | 0.0 | $994k | 2.7k | 373.02 |
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| Micron Technology (MU) | 0.0 | $808k | 700.00 | 1154.29 |
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| Alphabet Inc Class A cs (GOOGL) | 0.0 | $679k | 1.9k | 357.41 |
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| Freshworks (FRSH) | 0.0 | $584k | 58k | 10.12 |
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| Johnson & Johnson (JNJ) | 0.0 | $584k | 2.3k | 253.93 |
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| Alphabet Inc Class C cs (GOOG) | 0.0 | $572k | 1.6k | 353.33 |
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| Travelers Companies (TRV) | 0.0 | $523k | 1.6k | 330.11 |
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| Amgen (AMGN) | 0.0 | $375k | 1.0k | 362.29 |
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| Bank of New York Mellon Corporation (BNY) | 0.0 | $363k | 2.5k | 144.61 |
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| Caterpillar (CAT) | 0.0 | $350k | -19% | 328.00 | 1065.94 |
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| MasterCard Incorporated (MA) | 0.0 | $340k | 662.00 | 513.55 |
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| Huazhu Group (HTHT) | 0.0 | $334k | -66% | 8.0k | 41.72 |
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| Intel Corporation (INTC) | 0.0 | $323k | NEW | 2.3k | 139.65 |
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| ResMed (RMD) | 0.0 | $283k | 1.5k | 194.88 |
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| Newmont Mining Corporation (NEM) | 0.0 | $269k | 2.9k | 93.40 |
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| Wells Fargo Co New Perp P PFD (WFC.PL) | 0.0 | $260k | 225.00 | 1157.00 |
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| Wal-Mart Stores (WMT) | 0.0 | $242k | 2.1k | 113.24 |
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| AFLAC Incorporated (AFL) | 0.0 | $235k | 2.0k | 117.25 |
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| McDonald's Corporation (MCD) | 0.0 | $231k | 856.00 | 270.38 |
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| Freeport-McMoRan Copper & Gold (FCX) | 0.0 | $226k | 3.6k | 62.88 |
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| Merck & Co (MRK) | 0.0 | $222k | 1.7k | 128.50 |
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| Eli Lilly & Co. (LLY) | 0.0 | $220k | NEW | 183.00 | 1199.43 |
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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 2026 Q2 filed Aug. 14, 2026
- Oberweis Asset Management 2026 Q1 filed May 15, 2026
- Oberweis Asset Management 2025 Q4 filed Feb. 17, 2026
- 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