13F HOLDINGS REPORT
OBERWEIS ASSET MANAGEMENT INC/
Quarter ended Q2 2025 · Filed August 14, 2025 · Accession 0001213900-25-076460
Total Value
$2.30B
Positions
185
Other Managers
0
Confidential Omitted
No
Holdings (185)
| # | Issuer | Ticker / CUSIP | Shares | Value | % of Filing |
|---|---|---|---|---|---|
| 1 | Credo Technology Group | CRDO | 758,568 | $70.2M | 3.06% |
| 2 | ADMA Biologics, Inc. | ADMA | 3,135,890 | $57.1M | 2.48% |
| 3 | Applied Optoelectronics Inc. | AAOI | 1,888,041 | $48.5M | 2.11% |
| 4 | SharkNinja, Inc. | SN | 484,560 | $48.0M | 2.09% |
| 5 | Encompass Health Corporation | EHC | 359,025 | $44.0M | 1.92% |
| 6 | Sportradar Group | SRAD | 1,377,400 | $38.7M | 1.68% |
| 7 | Ambarella, Inc. | AMBA | 573,360 | $37.9M | 1.65% |
| 8 | Itron Inc | ITRI | 284,500 | $37.4M | 1.63% |
| 9 | Frontdoor, Inc. | FTDR | 610,860 | $36.0M | 1.57% |
| 10 | Skywest Inc | SKYW | 331,000 | $34.1M | 1.48% |
| 11 | Rambus, Inc | RMBS | 505,780 | $32.4M | 1.41% |
| 12 | Nova Ltd. | NVMI | 113,100 | $31.1M | 1.35% |
| 13 | Freshworks, Inc. | FRSH | 2,050,820 | $30.6M | 1.33% |
| 14 | Waystar Holding Corp. | WAY | 744,980 | $30.4M | 1.32% |
| 15 | Flowserve Corporation | FLS | 522,172 | $27.3M | 1.19% |
| 16 | Q2 Holdings, Inc. | QTWO | 292,010 | $27.3M | 1.19% |
| 17 | Clean Harbors, Inc. | CLH | 117,300 | $27.1M | 1.18% |
| 18 | Stride, Inc. | LRN | 181,800 | $26.4M | 1.15% |
| 19 | Macom Technology Solutions | 55405Y100 | 179,520 | $25.7M | 1.12% |
| 20 | Lumentum Hldgs, Inc. | LITE | 269,050 | $25.6M | 1.11% |
| 21 | Fabrinet | FN | 86,200 | $25.4M | 1.11% |
| 22 | Life Time Holdings, Inc. | LTH | 812,300 | $24.6M | 1.07% |
| 23 | American Superconductor | AMSC | 668,200 | $24.5M | 1.07% |
| 24 | Osi Systems, Inc. | OSIS | 109,000 | $24.5M | 1.07% |
| 25 | Mr. Cooper Group Inc. | 62482R107 | 155,800 | $23.2M | 1.01% |
| 26 | Carpenter Technology Corp. | CRS | 82,911 | $22.9M | 1.00% |
| 27 | Box, Inc. | BXCAP | 653,920 | $22.3M | 0.97% |
| 28 | Commvault Systems, Inc. | CVLT | 125,900 | $21.9M | 0.95% |
| 29 | Mercury Systems, Inc. | MRCY | 398,500 | $21.5M | 0.93% |
| 30 | Pegasystems Inc. | PEGA | 389,800 | $21.1M | 0.92% |
| 31 | Parsons Corp. | PSN | 284,150 | $20.4M | 0.89% |
| 32 | ICU Medical, Inc. | ICUI | 150,890 | $19.9M | 0.87% |
| 33 | Merit Medical System Inc | 589889104 | 212,810 | $19.9M | 0.87% |
| 34 | Veracyte, Inc. | VCYT | 726,490 | $19.6M | 0.85% |
| 35 | Arcosa, Inc. | ACA | 221,600 | $19.2M | 0.84% |
| 36 | Sprouts Farmers Markets LLC | 85208M102 | 114,600 | $18.9M | 0.82% |
| 37 | BrightSpring Health Services | 10950A106 | 775,800 | $18.3M | 0.80% |
| 38 | Primo Brands Corp. | PRMB | 611,300 | $18.1M | 0.79% |
| 39 | Camtek, Ltd. | CAMT | 213,580 | $18.1M | 0.79% |
| 40 | Digital Ocean Holdings, Inc. | DOCN | 631,920 | $18.0M | 0.79% |
| 41 | Federal Signal Corp. | FSS | 166,500 | $17.7M | 0.77% |
| 42 | Tutor Perini Corp. | TPC | 377,800 | $17.7M | 0.77% |
| 43 | Zeta Global Holdings Corp. | ZETA | 1,136,400 | $17.6M | 0.77% |
| 44 | CarGurus, Inc. | CARG | 518,400 | $17.4M | 0.75% |
| 45 | Silicon Motion Techn ADR | SIMO | 230,600 | $17.3M | 0.75% |
| 46 | The Gap,Inc. | GAP | 790,300 | $17.2M | 0.75% |
| 47 | Grand Canyon Education, Inc. | LOPE | 90,400 | $17.1M | 0.74% |
| 48 | Qorvo, Inc. | QRVO | 200,300 | $17.0M | 0.74% |
| 49 | Assurant, Inc. | AIZN | 83,000 | $16.4M | 0.71% |
| 50 | Dutch Bros., Inc. | BROS | 238,000 | $16.3M | 0.71% |
| 51 | AAR Corp. | AIR | 236,500 | $16.3M | 0.71% |
| 52 | Imax Corp. | IMAX | 579,600 | $16.2M | 0.71% |
| 53 | Blue Bird Corporation | BLBD | 373,400 | $16.1M | 0.70% |
| 54 | Rush Street Interactive, Inc. | RSI | 1,069,700 | $15.9M | 0.69% |
| 55 | SiTime Corporation | SITM | 73,496 | $15.7M | 0.68% |
| 56 | Urban Outfitters, Inc. | URBN | 212,100 | $15.4M | 0.67% |
| 57 | BellRing Brands, Inc. | BRBR | 264,200 | $15.3M | 0.67% |
| 58 | ACI Worldwide Inc. | ACIW | 331,602 | $15.2M | 0.66% |
| 59 | Advanced Energy Industry, Inc. | 007973100 | 114,700 | $15.2M | 0.66% |
| 60 | Genedx Holdings Corp. | WGSWW | 162,900 | $15.0M | 0.65% |
| 61 | Primoris Services Corp. | 74164F103 | 192,400 | $15.0M | 0.65% |
| 62 | Five9, Inc. | FIVN | 555,900 | $14.7M | 0.64% |
| 63 | Badger Meter | BMI | 59,910 | $14.7M | 0.64% |
| 64 | Everus Construction Group | EVEX-WT | 230,100 | $14.6M | 0.64% |
| 65 | Argan, Inc | AGX | 65,791 | $14.5M | 0.63% |
| 66 | Ultra Clean Holdings | UCTT | 613,300 | $13.8M | 0.60% |
| 67 | National Vision Holdings, Inc. | EYE | 594,900 | $13.7M | 0.60% |
| 68 | Genpact Ltd. | G | 306,100 | $13.5M | 0.59% |
| 69 | FirstCash Holdings, Inc | FCFS | 97,800 | $13.2M | 0.58% |
| 70 | SPX Technologies, Inc. | SPXC | 76,900 | $12.9M | 0.56% |
| 71 | Irhythm Technologies Inc | IRTC | 81,200 | $12.5M | 0.54% |
| 72 | Oscar Health, Inc. | OSCR | 578,430 | $12.4M | 0.54% |
| 73 | Magnite, Inc. | MGNI | 514,000 | $12.4M | 0.54% |
| 74 | Matador Resources Company | MTDR | 253,900 | $12.1M | 0.53% |
| 75 | Qualys, Inc. | QLYS | 84,000 | $12.0M | 0.52% |
| 76 | HealthEquity Inc. | HQY | 113,820 | $11.9M | 0.52% |
| 77 | Limbach Hldgs, Inc. | LMB | 83,700 | $11.7M | 0.51% |
| 78 | Diodes, Inc. | DIOD | 218,700 | $11.6M | 0.50% |
| 79 | Remitly Global, Inc. | RELY | 594,500 | $11.2M | 0.49% |
| 80 | Commerce Bancshares, Inc. | CBSH | 176,890 | $11.0M | 0.48% |
| 81 | OneSpan, Inc. | OSPN | 635,150 | $10.6M | 0.46% |
| 82 | Solaris Energy Infrastructur | SEI | 366,900 | $10.4M | 0.45% |
| 83 | Catalyst Pharmaceuticals, Inc. | CPRX | 468,200 | $10.2M | 0.44% |
| 84 | Ameris Bancorp | ABCB | 156,400 | $10.1M | 0.44% |
| 85 | Bright Horizons Family Solutio | 109194100 | 79,604 | $9.8M | 0.43% |
| 86 | LeMaitre Vascular, Inc. | LMAT | 114,666 | $9.5M | 0.41% |
| 87 | EZCorp, Inc. | EZPW | 685,500 | $9.5M | 0.41% |
| 88 | OneSpaWorld Holdings Limited | OSW | 465,400 | $9.5M | 0.41% |
| 89 | Halozyme Therapeutics, Inc. | HALO | 182,200 | $9.5M | 0.41% |
| 90 | Blueprint Medicines Corp. | 09627Y109 | 72,500 | $9.3M | 0.40% |
| 91 | NOV, Inc. | NOV | 730,200 | $9.1M | 0.39% |
| 92 | ANI Pharmaceuticals, Inc. | ANIP | 138,900 | $9.1M | 0.39% |
| 93 | Addus Homecare Corp. | ADUS | 78,200 | $9.0M | 0.39% |
| 94 | Varonis Sys, Inc. | VRNS | 176,600 | $9.0M | 0.39% |
| 95 | Interface, Inc. | TILE | 425,300 | $8.9M | 0.39% |
| 96 | Exlservice Holdings | EXLS | 194,400 | $8.5M | 0.37% |
| 97 | Magnolia Oil & Gas Corp. | MGY | 376,300 | $8.5M | 0.37% |
| 98 | Kiniksa Pharmaceuticals, Ltd. | G52694109 | 305,200 | $8.4M | 0.37% |
| 99 | The Vita Coco Co., Inc. | COCO | 230,000 | $8.3M | 0.36% |
| 100 | Faro Technologies, Inc. | 311642102 | 187,200 | $8.2M | 0.36% |
| 101 | Rev Group, Inc. | 749527107 | 172,600 | $8.2M | 0.36% |
| 102 | Weave Communications, Inc. | WEAV | 975,400 | $8.1M | 0.35% |
| 103 | Radware, Ltd. | RDWR | 274,700 | $8.1M | 0.35% |
| 104 | Ducommun Inc. | DCO | 95,700 | $7.9M | 0.34% |
| 105 | Pediatrix Medical Group, Inc. | MD | 545,600 | $7.8M | 0.34% |
| 106 | Powell Industries Inc. | 739128106 | 37,200 | $7.8M | 0.34% |
| 107 | VSE Corp. | VSECU | 58,600 | $7.7M | 0.33% |
| 108 | Kirby Corp. | KEX | 67,550 | $7.7M | 0.33% |
| 109 | Turning PT Brands, Inc. | 90041L105 | 101,000 | $7.7M | 0.33% |
| 110 | Interdigital, Inc. | IDCC | 34,100 | $7.6M | 0.33% |
| 111 | Skyward Specialty Ins Group | 830940102 | 131,600 | $7.6M | 0.33% |
| 112 | First Merchants Corporation | FRMEP | 196,000 | $7.5M | 0.33% |
| 113 | Grid Dynamics Holdings, Inc. | GDYN | 648,400 | $7.5M | 0.33% |
| 114 | Malibu Boats, Inc. | MBUU | 238,200 | $7.5M | 0.32% |
| 115 | Nicolet Bankshares, Inc. | NIC | 60,200 | $7.4M | 0.32% |
| 116 | Willdan Group Inc. | WLDN | 110,100 | $6.9M | 0.30% |
| 117 | IBEX Ltd. | IBEX | 236,000 | $6.9M | 0.30% |
| 118 | Adaptive Biotechnologies | ADTI | 589,400 | $6.9M | 0.30% |
| 119 | Artivion, Inc | AORT | 211,800 | $6.6M | 0.29% |
| 120 | Dave, Inc. | 23834J201 | 24,322 | $6.5M | 0.28% |
| 121 | M/I Homes, Inc. | MHO | 58,200 | $6.5M | 0.28% |
| 122 | Hawkins, Inc. | HWKN | 45,700 | $6.5M | 0.28% |
| 123 | Boot Barn Hldgs, Inc. | BOOT | 42,100 | $6.4M | 0.28% |
| 124 | ACM Research, Inc. Class A | 00108J109 | 246,960 | $6.4M | 0.28% |
| 125 | Verint Sys Inc. | 92343x100 | 325,000 | $6.4M | 0.28% |
| 126 | Natural Grocers by Vitamin Cot | NGVC | 162,304 | $6.4M | 0.28% |
| 127 | Cellebrite DI Ltd. | CLBT | 395,970 | $6.3M | 0.28% |
| 128 | Sterling Construction Co., Inc | STRL | 27,300 | $6.3M | 0.27% |
| 129 | Alpha & Omega Semiconductor | AOSL | 244,300 | $6.3M | 0.27% |
| 130 | Evolus, Inc. | EOLS | 677,600 | $6.2M | 0.27% |
| 131 | CorMedix, Inc. | CRMD | 485,000 | $6.0M | 0.26% |
| 132 | Evolv Technologies Holdings | EVLVW | 948,400 | $5.9M | 0.26% |
| 133 | Aris Water Solutions, Inc. | 04041L106 | 247,495 | $5.9M | 0.25% |
| 134 | CareDx, Inc. | CDNA | 292,871 | $5.7M | 0.25% |
| 135 | AvePoint, Inc. | AVPT | 296,300 | $5.7M | 0.25% |
| 136 | Delcath Systems, Inc. | DCTH | 419,400 | $5.7M | 0.25% |
| 137 | FB Financial Corp. | 30257X104 | 123,500 | $5.6M | 0.24% |
| 138 | Huron Consulting Group, Inc. | HURN | 40,500 | $5.6M | 0.24% |
| 139 | 1st Source Corp. | SRCE | 82,700 | $5.1M | 0.22% |
| 140 | Insteel Industries Inc. | 45774W108 | 132,732 | $4.9M | 0.21% |
| 141 | Red Violet, Inc. | RDVT | 100,300 | $4.9M | 0.21% |
| 142 | Spotify Technology S.A. | SPOT | 6,200 | $4.8M | 0.21% |
| 143 | Powerfleet, Inc. | AIOT | 1,068,800 | $4.6M | 0.20% |
| 144 | Precision Drilling Corp. | PDS | 97,100 | $4.6M | 0.20% |
| 145 | Employers Holdings, Inc. | EIG | 96,100 | $4.5M | 0.20% |
| 146 | Lincoln EDL Svcs | 533535100 | 189,600 | $4.4M | 0.19% |
| 147 | QuinStreet, Inc. | QNST | 262,800 | $4.2M | 0.18% |
| 148 | NPK International, Inc. | NPKI | 496,500 | $4.2M | 0.18% |
| 149 | Liquidia Corp. | LQDA | 321,200 | $4.0M | 0.17% |
| 150 | Bioventus, Inc. | BVS | 601,714 | $4.0M | 0.17% |
| 151 | Vital Energy, Inc. | 516806205 | 232,700 | $3.7M | 0.16% |
| 152 | Mannkind Corp. | MNKD | 968,400 | $3.6M | 0.16% |
| 153 | CRA Int'l Inc. | 12618T105 | 19,000 | $3.6M | 0.15% |
| 154 | AxoGen Inc. | AXGN | 328,100 | $3.6M | 0.15% |
| 155 | Lindblad Expeditions Holdings, | LIND | 299,400 | $3.5M | 0.15% |
| 156 | Climb Global Solutions, Inc. | CLMB | 32,500 | $3.5M | 0.15% |
| 157 | The Gorman-Rupp Co. | GRC | 90,900 | $3.3M | 0.15% |
| 158 | Helix Energy Solutions Group, | 42330P107 | 501,700 | $3.1M | 0.14% |
| 159 | Matrix Service Co. | 576853105 | 221,075 | $3.0M | 0.13% |
| 160 | Backblaze, Inc. | BLZE | 538,700 | $3.0M | 0.13% |
| 161 | LSI Industries Inc. | 50216C108 | 169,200 | $2.9M | 0.13% |
| 162 | Cadence Design System, Inc. | CDNS | 7,400 | $2.3M | 0.10% |
| 163 | Sea Ltd | SE | 13,800 | $2.2M | 0.10% |
| 164 | Futu Holdings Ltd. | FUTU | 11,400 | $1.4M | 0.06% |
| 165 | SPDR S&P 500 ETF Trust | SPY | 2,168 | $1.3M | 0.06% |
| 166 | Microsoft Corp. | MSFT | 2,685 | $1.3M | 0.06% |
| 167 | JP Morgan Chase & Company Inc. | VYLD | 3,450 | $1.0M | 0.04% |
| 168 | Apple, Inc. | AAPL | 3,991 | $818,897 | 0.04% |
| 169 | PDD Holdings Inc. ADR | PDD | 7,000 | $732,620 | 0.03% |
| 170 | MakeMyTrip Ltd. | MMYT | 6,350 | $622,427 | 0.03% |
| 171 | Hesai Group | HSIGF | 28,000 | $614,600 | 0.03% |
| 172 | Full Truck Alliance Co. Ltd. | YMM | 45,000 | $531,450 | 0.02% |
| 173 | The Travelers Co., Inc. | TRV | 1,917 | $512,765 | 0.02% |
| 174 | Mastercard, Inc. | MA | 711 | $399,701 | 0.02% |
| 175 | Resmed Inc. | RSMDF | 1,450 | $374,100 | 0.02% |
| 176 | Alphabet, Inc. Cl A | GOOG | 1,900 | $334,837 | 0.01% |
| 177 | Johnson & Johnson | JNJ | 2,099 | $320,616 | 0.01% |
| 178 | Amgen, Inc. | AMGN | 1,034 | $288,602 | 0.01% |
| 179 | Alphabet, Inc. Cl C | GOOG | 1,620 | $287,372 | 0.01% |
| 180 | Bank of New York Mellon Corp. | 064058100 | 2,897 | $263,926 | 0.01% |
| 181 | Wal Mart Stores Inc. | WMT | 2,609 | $255,098 | 0.01% |
| 182 | McDonald's Corporation | MCD | 851 | $248,509 | 0.01% |
| 183 | Aflac Inc. | AFL | 2,000 | $210,920 | 0.01% |
| 184 | Newmont Mining | NEMCL | 3,571 | $208,059 | 0.01% |
| 185 | Xenacare Hldgs, Inc. | 98401A106 | 140,000 | $0 | 0.00% |