Q2 2025 · 13F-HR
OBERWEIS ASSET MANAGEMENT INC/holdings as filed
Filed 2025-08-14 · accession 0001213900-25-076460
$2.30B
Reported value
185
Positions
2025-06-30
Period end
The Brief · OBERWEIS ASSET MANAGEMENT INC/ · Q2 2025
AI · grounded in 13F
OBERWEIS ASSET MANAGEMENT INC/ established a new position in Credo Technology Group CRDO worth $70.2M. The fund also initiated stakes in ADMA Biologics, Inc. ADMA for $57.1M and Applied Optoelectronics Inc. AAOI for $48.5M. Other new additions include SharkNinja, Inc. SN and Encompass Health Corporation EHC.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| G25457105 | CRDO | Credo Technology Group | $70.2M | 3.06% | 758,568 | Common | SOLE |
| 000899104 | ADMA | ADMA Biologics, Inc. | $57.1M | 2.48% | 3,135,890 | Common | SOLE |
| 03823U102 | AAOI | Applied Optoelectronics Inc. | $48.5M | 2.11% | 1,888,041 | Common | SOLE |
| G8068L108 | SN | SharkNinja, Inc. | $48.0M | 2.09% | 484,560 | Common | SOLE |
| 29261A100 | EHC | Encompass Health Corporation | $44.0M | 1.92% | 359,025 | Common | SOLE |
| H8088L103 | SRAD | Sportradar Group | $38.7M | 1.68% | 1,377,400 | Common | SOLE |
| G037AX101 | AMBA | Ambarella, Inc. | $37.9M | 1.65% | 573,360 | Common | SOLE |
| 465741106 | ITRI | Itron Inc | $37.4M | 1.63% | 284,500 | Common | SOLE |
| 35905A109 | FTDR | Frontdoor, Inc. | $36.0M | 1.57% | 610,860 | Common | SOLE |
| 830879102 | SKYW | Skywest Inc | $34.1M | 1.48% | 331,000 | Common | SOLE |
| 750917106 | RMBS | Rambus, Inc | $32.4M | 1.41% | 505,780 | Common | SOLE |
| M7516K103 | NVMI | Nova Ltd. | $31.1M | 1.35% | 113,100 | Common | SOLE |
| 358054104 | FRSH | Freshworks, Inc. | $30.6M | 1.33% | 2,050,820 | Common | SOLE |
| 946784105 | WAY | Waystar Holding Corp. | $30.4M | 1.32% | 744,980 | Common | SOLE |
| 34354P105 | FLS | Flowserve Corporation | $27.3M | 1.19% | 522,172 | Common | SOLE |
| 74736L109 | QTWO | Q2 Holdings, Inc. | $27.3M | 1.19% | 292,010 | Common | SOLE |
| 184496107 | CLH | Clean Harbors, Inc. | $27.1M | 1.18% | 117,300 | Common | SOLE |
| 86333M108 | LRN | Stride, Inc. | $26.4M | 1.15% | 181,800 | Common | SOLE |
| 55405Y100 | MTSI | Macom Technology Solutions | $25.7M | 1.12% | 179,520 | Common | SOLE |
| 55024U109 | LITE | Lumentum Hldgs, Inc. | $25.6M | 1.11% | 269,050 | Common | SOLE |
| G3323L100 | FN | Fabrinet | $25.4M | 1.11% | 86,200 | Common | SOLE |
| 53190C102 | LTH | Life Time Holdings, Inc. | $24.6M | 1.07% | 812,300 | Common | SOLE |
| 030111207 | AMSC | American Superconductor | $24.5M | 1.07% | 668,200 | Common | SOLE |
| 671044105 | OSIS | Osi Systems, Inc. | $24.5M | 1.07% | 109,000 | Common | SOLE |
| 62482R107 | 07WA | Mr. Cooper Group Inc. | $23.2M | 1.01% | 155,800 | Common | SOLE |
| 144285103 | CRS | Carpenter Technology Corp. | $22.9M | 1.00% | 82,911 | Common | SOLE |
| 10316T104 | BOX | Box, Inc. | $22.3M | 0.97% | 653,920 | Common | SOLE |
| 204166102 | CVLT | Commvault Systems, Inc. | $21.9M | 0.95% | 125,900 | Common | SOLE |
| 589378108 | MRCY | Mercury Systems, Inc. | $21.5M | 0.93% | 398,500 | Common | SOLE |
| 705573103 | PEGA | Pegasystems Inc. | $21.1M | 0.92% | 389,800 | Common | SOLE |
| 70202L102 | PSN | Parsons Corp. | $20.4M | 0.89% | 284,150 | Common | SOLE |
| 44930G107 | ICUI | ICU Medical, Inc. | $19.9M | 0.87% | 150,890 | Common | SOLE |
| 589889104 | MMSI | Merit Medical System Inc | $19.9M | 0.87% | 212,810 | Common | SOLE |
| 92337F107 | VCYT | Veracyte, Inc. | $19.6M | 0.85% | 726,490 | Common | SOLE |
| 039653100 | ACA | Arcosa, Inc. | $19.2M | 0.84% | 221,600 | Common | SOLE |
| 85208M102 | SFM | Sprouts Farmers Markets LLC | $18.9M | 0.82% | 114,600 | Common | SOLE |
| 10950A106 | BTSG | BrightSpring Health Services | $18.3M | 0.80% | 775,800 | Common | SOLE |
| 741623102 | PRMB | Primo Brands Corp. | $18.1M | 0.79% | 611,300 | Common | SOLE |
| M20791105 | CAMT | Camtek, Ltd. | $18.1M | 0.79% | 213,580 | Common | SOLE |
| 25402D102 | DOCN | Digital Ocean Holdings, Inc. | $18.0M | 0.79% | 631,920 | Common | SOLE |
| 313855108 | FSS | Federal Signal Corp. | $17.7M | 0.77% | 166,500 | Common | SOLE |
| 901109108 | TPC | Tutor Perini Corp. | $17.7M | 0.77% | 377,800 | Common | SOLE |
| 98956A105 | ZETA | Zeta Global Holdings Corp. | $17.6M | 0.77% | 1,136,400 | Common | SOLE |
| 141788109 | CARG | CarGurus, Inc. | $17.4M | 0.75% | 518,400 | Common | SOLE |
| 82706C108 | SIMO | Silicon Motion Techn ADR | $17.3M | 0.75% | 230,600 | Common | SOLE |
| 364760108 | GAP | The Gap,Inc. | $17.2M | 0.75% | 790,300 | Common | SOLE |
| 38526M106 | LOPE | Grand Canyon Education, Inc. | $17.1M | 0.74% | 90,400 | Common | SOLE |
| 74736K101 | QRVO | Qorvo, Inc. | $17.0M | 0.74% | 200,300 | Common | SOLE |
| 04621X108 | AIZ | Assurant, Inc. | $16.4M | 0.71% | 83,000 | Common | SOLE |
| 26701L100 | BROS | Dutch Bros., Inc. | $16.3M | 0.71% | 238,000 | Common | SOLE |
| 000361105 | AIR | AAR Corp. | $16.3M | 0.71% | 236,500 | Common | SOLE |
| 45245E109 | IMAX | Imax Corp. | $16.2M | 0.71% | 579,600 | Common | SOLE |
| 095306106 | BLBD | Blue Bird Corporation | $16.1M | 0.70% | 373,400 | Common | SOLE |
| 782011100 | RSI | Rush Street Interactive, Inc. | $15.9M | 0.69% | 1,069,700 | Common | SOLE |
| 82982T106 | SITM | SiTime Corporation | $15.7M | 0.68% | 73,496 | Common | SOLE |
| 917047102 | URBN | Urban Outfitters, Inc. | $15.4M | 0.67% | 212,100 | Common | SOLE |
| 07831C103 | BRBR | BellRing Brands, Inc. | $15.3M | 0.67% | 264,200 | Common | SOLE |
| 004498101 | ACIW | ACI Worldwide Inc. | $15.2M | 0.66% | 331,602 | Common | SOLE |
| 007973100 | AEIS | Advanced Energy Industry, Inc. | $15.2M | 0.66% | 114,700 | Common | SOLE |
| 81663L200 | WGS | Genedx Holdings Corp. | $15.0M | 0.65% | 162,900 | Common | SOLE |
| 74164F103 | PRIM | Primoris Services Corp. | $15.0M | 0.65% | 192,400 | Common | SOLE |
| 338307101 | FIVN | Five9, Inc. | $14.7M | 0.64% | 555,900 | Common | SOLE |
| 056525108 | BMI | Badger Meter | $14.7M | 0.64% | 59,910 | Common | SOLE |
| 300426103 | ECG | Everus Construction Group | $14.6M | 0.64% | 230,100 | Common | SOLE |
| 04010E109 | AGX | Argan, Inc | $14.5M | 0.63% | 65,791 | Common | SOLE |
| 90385V107 | UCTT | Ultra Clean Holdings | $13.8M | 0.60% | 613,300 | Common | SOLE |
| 63845R107 | EYE | National Vision Holdings, Inc. | $13.7M | 0.60% | 594,900 | Common | SOLE |
| G3922B107 | G | Genpact Ltd. | $13.5M | 0.59% | 306,100 | Common | SOLE |
| 33768G107 | FCFS | FirstCash Holdings, Inc | $13.2M | 0.58% | 97,800 | Common | SOLE |
| 78473E103 | SPXC | SPX Technologies, Inc. | $12.9M | 0.56% | 76,900 | Common | SOLE |
| 450056106 | IRTC | Irhythm Technologies Inc | $12.5M | 0.54% | 81,200 | Common | SOLE |
| 687793109 | OSCR | Oscar Health, Inc. | $12.4M | 0.54% | 578,430 | Common | SOLE |
| 55955D100 | MGNI | Magnite, Inc. | $12.4M | 0.54% | 514,000 | Common | SOLE |
| 576485205 | MTDR | Matador Resources Company | $12.1M | 0.53% | 253,900 | Common | SOLE |
| 74758T303 | QLYS | Qualys, Inc. | $12.0M | 0.52% | 84,000 | Common | SOLE |
| 42226A107 | HQY | HealthEquity Inc. | $11.9M | 0.52% | 113,820 | Common | SOLE |
| 53263P105 | LMB | Limbach Hldgs, Inc. | $11.7M | 0.51% | 83,700 | Common | SOLE |
| 254543101 | DIOD | Diodes, Inc. | $11.6M | 0.50% | 218,700 | Common | SOLE |
| 75960P104 | RELY | Remitly Global, Inc. | $11.2M | 0.49% | 594,500 | Common | SOLE |
| 200525103 | CBSH | Commerce Bancshares, Inc. | $11.0M | 0.48% | 176,890 | Common | SOLE |
| 68287N100 | OSPN | OneSpan, Inc. | $10.6M | 0.46% | 635,150 | Common | SOLE |
| 83418M103 | SEI | Solaris Energy Infrastructur | $10.4M | 0.45% | 366,900 | Common | SOLE |
| 14888U101 | CPRX | Catalyst Pharmaceuticals, Inc. | $10.2M | 0.44% | 468,200 | Common | SOLE |
| 03076K108 | ABCB | Ameris Bancorp | $10.1M | 0.44% | 156,400 | Common | SOLE |
| 109194100 | BFAM | Bright Horizons Family Solutio | $9.8M | 0.43% | 79,604 | Common | SOLE |
| 525558201 | LMAT | LeMaitre Vascular, Inc. | $9.5M | 0.41% | 114,666 | Common | SOLE |
| 302301106 | EZPW | EZCorp, Inc. | $9.5M | 0.41% | 685,500 | Common | SOLE |
| P73684113 | OSW | OneSpaWorld Holdings Limited | $9.5M | 0.41% | 465,400 | Common | SOLE |
| 40637H109 | HALO | Halozyme Therapeutics, Inc. | $9.5M | 0.41% | 182,200 | Common | SOLE |
| 09627Y109 | 2655787D | Blueprint Medicines Corp. | $9.3M | 0.40% | 72,500 | Common | SOLE |
| 62955J103 | NOV | NOV, Inc. | $9.1M | 0.39% | 730,200 | Common | SOLE |
| 00182C103 | ANIP | ANI Pharmaceuticals, Inc. | $9.1M | 0.39% | 138,900 | Common | SOLE |
| 006739106 | ADUS | Addus Homecare Corp. | $9.0M | 0.39% | 78,200 | Common | SOLE |
| 922280102 | VRNS | Varonis Sys, Inc. | $9.0M | 0.39% | 176,600 | Common | SOLE |
| 458665304 | TILE | Interface, Inc. | $8.9M | 0.39% | 425,300 | Common | SOLE |
| 302081104 | EXLS | Exlservice Holdings | $8.5M | 0.37% | 194,400 | Common | SOLE |
| 559663109 | MGY | Magnolia Oil & Gas Corp. | $8.5M | 0.37% | 376,300 | Common | SOLE |
| G52694109 | KNSA | Kiniksa Pharmaceuticals, Ltd. | $8.4M | 0.37% | 305,200 | Common | SOLE |
| 92846Q107 | COCO | The Vita Coco Co., Inc. | $8.3M | 0.36% | 230,000 | Common | SOLE |
| 311642102 | FARO | Faro Technologies, Inc. | $8.2M | 0.36% | 187,200 | Common | SOLE |
| 749527107 | 1RG | Rev Group, Inc. | $8.2M | 0.36% | 172,600 | Common | SOLE |
| 94724R108 | WEAV | Weave Communications, Inc. | $8.1M | 0.35% | 975,400 | Common | SOLE |
| M81873107 | RDWR | Radware, Ltd. | $8.1M | 0.35% | 274,700 | Common | SOLE |
| 264147109 | DCO | Ducommun Inc. | $7.9M | 0.34% | 95,700 | Common | SOLE |
| 58502B106 | MD | Pediatrix Medical Group, Inc. | $7.8M | 0.34% | 545,600 | Common | SOLE |
| 739128106 | POWL | Powell Industries Inc. | $7.8M | 0.34% | 37,200 | Common | SOLE |
| 918284100 | VSEC | VSE Corp. | $7.7M | 0.33% | 58,600 | Common | SOLE |
| 497266106 | KEX | Kirby Corp. | $7.7M | 0.33% | 67,550 | Common | SOLE |
| 90041L105 | TPB | Turning PT Brands, Inc. | $7.7M | 0.33% | 101,000 | Common | SOLE |
| 45867G101 | IDCC | Interdigital, Inc. | $7.6M | 0.33% | 34,100 | Common | SOLE |
| 830940102 | SKWD | Skyward Specialty Ins Group | $7.6M | 0.33% | 131,600 | Common | SOLE |
| 320817109 | FRME | First Merchants Corporation | $7.5M | 0.33% | 196,000 | Common | SOLE |
| 39813G109 | GDYN | Grid Dynamics Holdings, Inc. | $7.5M | 0.33% | 648,400 | Common | SOLE |
| 56117J100 | MBUU | Malibu Boats, Inc. | $7.5M | 0.32% | 238,200 | Common | SOLE |
| 65406E102 | NIC | Nicolet Bankshares, Inc. | $7.4M | 0.32% | 60,200 | Common | SOLE |
| 96924N100 | WLDN | Willdan Group Inc. | $6.9M | 0.30% | 110,100 | Common | SOLE |
| g4690m101 | — | IBEX Ltd. | $6.9M | 0.30% | 236,000 | Common | SOLE |
| 00650F109 | ADPT | Adaptive Biotechnologies | $6.9M | 0.30% | 589,400 | Common | SOLE |
| 228903100 | AORT | Artivion, Inc | $6.6M | 0.29% | 211,800 | Common | SOLE |
| 23834J201 | DAVE | Dave, Inc. | $6.5M | 0.28% | 24,322 | Common | SOLE |
| 55305B101 | MHO | M/I Homes, Inc. | $6.5M | 0.28% | 58,200 | Common | SOLE |
| 420261109 | HWKN | Hawkins, Inc. | $6.5M | 0.28% | 45,700 | Common | SOLE |
| 099406100 | BOOT | Boot Barn Hldgs, Inc. | $6.4M | 0.28% | 42,100 | Common | SOLE |
| 00108J109 | ACMR | ACM Research, Inc. Class A | $6.4M | 0.28% | 246,960 | Common | SOLE |
| 92343x100 | — | Verint Sys Inc. | $6.4M | 0.28% | 325,000 | Common | SOLE |
| 63888U108 | NGVC | Natural Grocers by Vitamin Cot | $6.4M | 0.28% | 162,304 | Common | SOLE |
| M2197Q107 | CLBT | Cellebrite DI Ltd. | $6.3M | 0.28% | 395,970 | Common | SOLE |
| 859241101 | STRL | Sterling Construction Co., Inc | $6.3M | 0.27% | 27,300 | Common | SOLE |
| G6331P104 | AOSL | Alpha & Omega Semiconductor | $6.3M | 0.27% | 244,300 | Common | SOLE |
| 30052C107 | EOLS | Evolus, Inc. | $6.2M | 0.27% | 677,600 | Common | SOLE |
| 21900C308 | CRMD | CorMedix, Inc. | $6.0M | 0.26% | 485,000 | Common | SOLE |
| 30049H102 | EVLV | Evolv Technologies Holdings | $5.9M | 0.26% | 948,400 | Common | SOLE |
| 04041L106 | ARISUSD | Aris Water Solutions, Inc. | $5.9M | 0.25% | 247,495 | Common | SOLE |
| 14167L103 | CDNA | CareDx, Inc. | $5.7M | 0.25% | 292,871 | Common | SOLE |
| 053604104 | AVPT | AvePoint, Inc. | $5.7M | 0.25% | 296,300 | Common | SOLE |
| 24661P807 | DCTH | Delcath Systems, Inc. | $5.7M | 0.25% | 419,400 | Common | SOLE |
| 30257X104 | FBK | FB Financial Corp. | $5.6M | 0.24% | 123,500 | Common | SOLE |
| 447462102 | HURN | Huron Consulting Group, Inc. | $5.6M | 0.24% | 40,500 | Common | SOLE |
| 336901103 | SRCE | 1st Source Corp. | $5.1M | 0.22% | 82,700 | Common | SOLE |
| 45774W108 | IIIN | Insteel Industries Inc. | $4.9M | 0.21% | 132,732 | Common | SOLE |
| 75704L104 | RDVT | Red Violet, Inc. | $4.9M | 0.21% | 100,300 | Common | SOLE |
| L8681T102 | SPOT | Spotify Technology S.A. | $4.8M | 0.21% | 6,200 | Common | SOLE |
| 73931J109 | AIOT | Powerfleet, Inc. | $4.6M | 0.20% | 1,068,800 | Common | SOLE |
| 74022D407 | PDS | Precision Drilling Corp. | $4.6M | 0.20% | 97,100 | Common | SOLE |
| 292218104 | EIG | Employers Holdings, Inc. | $4.5M | 0.20% | 96,100 | Common | SOLE |
| 533535100 | LINC | Lincoln EDL Svcs | $4.4M | 0.19% | 189,600 | Common | SOLE |
| 74874Q100 | QNST | QuinStreet, Inc. | $4.2M | 0.18% | 262,800 | Common | SOLE |
| 651718504 | NPKI | NPK International, Inc. | $4.2M | 0.18% | 496,500 | Common | SOLE |
| 53635D202 | LQDA | Liquidia Corp. | $4.0M | 0.17% | 321,200 | Common | SOLE |
| 09075A108 | BVS | Bioventus, Inc. | $4.0M | 0.17% | 601,714 | Common | SOLE |
| 516806205 | 8LP1 | Vital Energy, Inc. | $3.7M | 0.16% | 232,700 | Common | SOLE |
| 56400P706 | MNKD | Mannkind Corp. | $3.6M | 0.16% | 968,400 | Common | SOLE |
| 12618T105 | CRAI | CRA Int'l Inc. | $3.6M | 0.15% | 19,000 | Common | SOLE |
| 05463X106 | AXGN | AxoGen Inc. | $3.6M | 0.15% | 328,100 | Common | SOLE |
| 535219109 | LIND | Lindblad Expeditions Holdings, | $3.5M | 0.15% | 299,400 | Common | SOLE |
| 946760105 | CLMB | Climb Global Solutions, Inc. | $3.5M | 0.15% | 32,500 | Common | SOLE |
| 383082104 | GRC | The Gorman-Rupp Co. | $3.3M | 0.15% | 90,900 | Common | SOLE |
| 42330P107 | HLX | Helix Energy Solutions Group, | $3.1M | 0.14% | 501,700 | Common | SOLE |
| 576853105 | MTRX | Matrix Service Co. | $3.0M | 0.13% | 221,075 | Common | SOLE |
| 05637B105 | BLZE | Backblaze, Inc. | $3.0M | 0.13% | 538,700 | Common | SOLE |
| 50216C108 | LYTS | LSI Industries Inc. | $2.9M | 0.13% | 169,200 | Common | SOLE |
| 127387108 | CDNS | Cadence Design System, Inc. | $2.3M | 0.10% | 7,400 | Common | SOLE |
| 81141R100 | SE | Sea Ltd | $2.2M | 0.10% | 13,800 | Common | SOLE |
| 36118L106 | FUTU | Futu Holdings Ltd. | $1.4M | 0.06% | 11,400 | Common | SOLE |
| 78462F103 | SPY | SPDR S&P 500 ETF Trust | $1.3M | 0.06% | 2,168 | Common | NONE |
| 594918104 | MSFT | Microsoft Corp. | $1.3M | 0.06% | 2,685 | Common | NONE |
| 46625H100 | JPM | JP Morgan Chase & Company Inc. | $1.0M | 0.04% | 3,450 | Common | NONE |
| 037833100 | AAPL | Apple, Inc. | $818,897 | 0.04% | 3,991 | Common | NONE |
| 722304102 | PDD | PDD Holdings Inc. ADR | $732,620 | 0.03% | 7,000 | Common | SOLE |
| V5633W109 | MMYT | MakeMyTrip Ltd. | $622,427 | 0.03% | 6,350 | Common | SOLE |
| 428050108 | HSAI | Hesai Group | $614,600 | 0.03% | 28,000 | Common | SOLE |
| 35969L108 | YMM | Full Truck Alliance Co. Ltd. | $531,450 | 0.02% | 45,000 | Common | SOLE |
| 89417E109 | TRV | The Travelers Co., Inc. | $512,765 | 0.02% | 1,917 | Common | NONE |
| 57636Q104 | MA | Mastercard, Inc. | $399,701 | 0.02% | 711 | Common | NONE |
| 761152107 | RMD | Resmed Inc. | $374,100 | 0.02% | 1,450 | Common | NONE |
| 02079k305 | — | Alphabet, Inc. Cl A | $334,837 | 0.01% | 1,900 | Common | NONE |
| 478160104 | JNJ | Johnson & Johnson | $320,616 | 0.01% | 2,099 | Common | NONE |
| 031162100 | AMGN | Amgen, Inc. | $288,602 | 0.01% | 1,034 | Common | NONE |
| 02079k107 | — | Alphabet, Inc. Cl C | $287,372 | 0.01% | 1,620 | Common | NONE |
| 064058100 | BK | Bank of New York Mellon Corp. | $263,926 | 0.01% | 2,897 | Common | NONE |
| 931142103 | WMT | Wal Mart Stores Inc. | $255,098 | 0.01% | 2,609 | Common | NONE |
| 580135101 | MCD | McDonald's Corporation | $248,509 | 0.01% | 851 | Common | NONE |
| 001055102 | AFL | Aflac Inc. | $210,920 | 0.01% | 2,000 | Common | NONE |
| 651639106 | NEM | Newmont Mining | $208,059 | 0.01% | 3,571 | Common | NONE |
| 98401A106 | — | Xenacare Hldgs, Inc. | $0 | — | 140,000 | Common | NONE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.