Q3 2025 · 13F-HR
OBERWEIS ASSET MANAGEMENT INC/holdings as filed
Filed 2025-11-17 · accession 0001213900-25-111225
$2.61B
Reported value
183
Positions
2025-09-30
Period end
The Brief · OBERWEIS ASSET MANAGEMENT INC/ · Q3 2025
AI · grounded in 13F
OBERWEIS ASSET MANAGEMENT INC/ established a new position in Credo Technology Group CRDO worth $93.8M. The fund also initiated new stakes in Lumentum Hldgs, Inc. LITE for $53.5M and Rambus, Inc RMBS for $52.9M. Additional new positions include Ambarella, Inc. AMBA, SharkNinja, Inc. SN, and Applied Optoelectronics Inc. AAOI.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| G25457105 | CRDO | Credo Technology Group | $93.8M | 3.59% | 643,948 | Common | SOLE |
| 55024U109 | LITE | Lumentum Hldgs, Inc. | $53.5M | 2.05% | 328,630 | Common | SOLE |
| 750917106 | RMBS | Rambus, Inc | $52.9M | 2.03% | 507,899 | Common | SOLE |
| G037AX101 | AMBA | Ambarella, Inc. | $50.4M | 1.93% | 611,360 | Common | SOLE |
| G8068L108 | SN | SharkNinja, Inc. | $49.8M | 1.91% | 482,810 | Common | SOLE |
| 03823U102 | AAOI | Applied Optoelectronics Inc. | $49.0M | 1.87% | 1,888,041 | Common | SOLE |
| 29261A100 | EHC | Encompass Health Corporation | $45.6M | 1.75% | 358,800 | Common | SOLE |
| 35905A109 | FTDR | Frontdoor, Inc. | $41.1M | 1.57% | 610,860 | Common | SOLE |
| 000899104 | ADMA | ADMA Biologics, Inc. | $39.8M | 1.52% | 2,712,040 | Common | SOLE |
| 030111207 | AMSC | American Superconductor | $39.5M | 1.51% | 665,700 | Common | SOLE |
| H8088L103 | SRAD | Sportradar Group | $37.1M | 1.42% | 1,379,100 | Common | SOLE |
| M7516K103 | NVMI | Nova Ltd. | $36.2M | 1.39% | 113,285 | Common | SOLE |
| 465741106 | ITRI | Itron Inc | $35.4M | 1.36% | 284,150 | Common | SOLE |
| 830879102 | SKYW | Skywest Inc | $33.3M | 1.27% | 330,790 | Common | SOLE |
| 82982T106 | SITM | SiTime Corporation | $32.1M | 1.23% | 106,396 | Common | SOLE |
| 946784105 | WAY | Waystar Holding Corp. | $31.7M | 1.21% | 836,550 | Common | SOLE |
| 589378108 | MRCY | Mercury Systems, Inc. | $30.8M | 1.18% | 398,500 | Common | SOLE |
| 184496107 | CLH | Clean Harbors, Inc. | $27.1M | 1.04% | 116,770 | Common | SOLE |
| 86333M108 | LRN | Stride, Inc. | $27.1M | 1.04% | 181,800 | Common | SOLE |
| 10950A106 | BTSG | BrightSpring Health Services | $26.8M | 1.03% | 908,000 | Common | SOLE |
| 74164F103 | PRIM | Primoris Services Corp. | $26.4M | 1.01% | 192,400 | Common | SOLE |
| 25402D102 | DOCN | Digital Ocean Holdings, Inc. | $26.4M | 1.01% | 772,000 | Common | SOLE |
| 671044105 | OSIS | Osi Systems, Inc. | $25.3M | 0.97% | 101,400 | Common | SOLE |
| 901109108 | TPC | Tutor Perini Corp. | $24.8M | 0.95% | 377,800 | Common | SOLE |
| 92337F107 | VCYT | Veracyte, Inc. | $24.8M | 0.95% | 721,690 | Common | SOLE |
| 782011100 | RSI | Rush Street Interactive, Inc. | $24.4M | 0.93% | 1,191,560 | Common | SOLE |
| 204166102 | CVLT | Commvault Systems, Inc. | $24.3M | 0.93% | 128,600 | Common | SOLE |
| 358054104 | FRSH | Freshworks, Inc. | $24.2M | 0.93% | 2,059,470 | Common | SOLE |
| 53190C102 | LTH | Life Time Holdings, Inc. | $23.9M | 0.92% | 866,400 | Common | SOLE |
| 74736K101 | QRVO | Qorvo, Inc. | $23.8M | 0.91% | 260,900 | Common | SOLE |
| 70202L102 | PSN | Parsons Corp. | $22.6M | 0.87% | 272,730 | Common | SOLE |
| M20791105 | CAMT | Camtek, Ltd. | $22.4M | 0.86% | 213,580 | Common | SOLE |
| 705573103 | PEGA | Pegasystems Inc. | $22.4M | 0.86% | 389,400 | Common | SOLE |
| 300426103 | ECG | Everus Construction Group | $22.3M | 0.85% | 259,800 | Common | SOLE |
| 55405Y100 | MTSI | Macom Technology Solutions | $22.1M | 0.85% | 177,790 | Common | SOLE |
| 38526M106 | LOPE | Grand Canyon Education, Inc. | $21.9M | 0.84% | 99,800 | Common | SOLE |
| 82706C108 | SIMO | Silicon Motion Techn ADR | $21.9M | 0.84% | 230,600 | Common | SOLE |
| 34354P105 | FLS | Flowserve Corporation | $21.7M | 0.83% | 409,285 | Common | SOLE |
| G3922B107 | G | Genpact Ltd. | $21.6M | 0.83% | 516,800 | Common | SOLE |
| 095306106 | BLBD | Blue Bird Corporation | $21.5M | 0.82% | 373,400 | Common | SOLE |
| 000361105 | AIR | AAR Corp. | $21.2M | 0.81% | 236,500 | Common | SOLE |
| 26701L100 | BROS | Dutch Bros., Inc. | $21.2M | 0.81% | 404,500 | Common | SOLE |
| 74736L109 | QTWO | Q2 Holdings, Inc. | $21.2M | 0.81% | 292,260 | Common | SOLE |
| 52736R102 | LEVI | Levi Strauss & Co. | $21.1M | 0.81% | 903,500 | Common | SOLE |
| 10316T104 | BOX | Box, Inc. | $21.1M | 0.81% | 652,320 | Common | SOLE |
| 81663L200 | WGS | Genedx Holdings Corp. | $20.9M | 0.80% | 193,920 | Common | SOLE |
| 039653100 | ACA | Arcosa, Inc. | $20.8M | 0.80% | 221,600 | Common | SOLE |
| 144285103 | CRS | Carpenter Technology Corp. | $20.3M | 0.78% | 82,611 | Common | SOLE |
| 518415104 | LSCC | Lattice Semiconductor Corporat | $20.2M | 0.77% | 275,536 | Common | SOLE |
| 313855108 | FSS | Federal Signal Corp. | $19.8M | 0.76% | 166,500 | Common | SOLE |
| 453204109 | PI | Impinj, Inc. | $19.4M | 0.74% | 107,120 | Common | SOLE |
| 589889104 | MMSI | Merit Medical System Inc | $19.3M | 0.74% | 232,010 | Common | SOLE |
| 141788109 | CARG | CarGurus, Inc. | $19.3M | 0.74% | 518,400 | Common | SOLE |
| 45245E109 | IMAX | Imax Corp. | $19.0M | 0.73% | 579,600 | Common | SOLE |
| 04621X108 | AIZ | Assurant, Inc. | $18.0M | 0.69% | 83,000 | Common | SOLE |
| 44930G107 | ICUI | ICU Medical, Inc. | $17.9M | 0.68% | 149,130 | Common | SOLE |
| 004498101 | ACIW | ACI Worldwide Inc. | $17.5M | 0.67% | 330,702 | Common | SOLE |
| 63845R107 | EYE | National Vision Holdings, Inc. | $17.4M | 0.66% | 594,900 | Common | SOLE |
| G3323L100 | FN | Fabrinet | $16.7M | 0.64% | 45,900 | Common | SOLE |
| 917047102 | URBN | Urban Outfitters, Inc. | $16.7M | 0.64% | 234,300 | Common | SOLE |
| 90385V107 | UCTT | Ultra Clean Holdings | $16.7M | 0.64% | 613,300 | Common | SOLE |
| 04010E109 | AGX | Argan, Inc | $16.4M | 0.63% | 60,571 | Common | SOLE |
| 75960P104 | RELY | Remitly Global, Inc. | $16.3M | 0.63% | 1,002,800 | Common | SOLE |
| 537008104 | LFUS | Littelfuse, Inc. | $16.1M | 0.62% | 62,300 | Common | SOLE |
| 85208M102 | SFM | Sprouts Farmers Markets LLC | $15.8M | 0.61% | 145,500 | Common | SOLE |
| 33768G107 | FCFS | FirstCash Holdings, Inc | $15.5M | 0.59% | 97,800 | Common | SOLE |
| 98956A105 | ZETA | Zeta Global Holdings Corp. | $15.1M | 0.58% | 761,200 | Common | SOLE |
| 83418M103 | SEI | Solaris Energy Infrastructur | $14.7M | 0.56% | 366,900 | Common | SOLE |
| 739128106 | POWL | Powell Industries Inc. | $14.5M | 0.55% | 47,500 | Common | SOLE |
| 650111107 | NYT | New York Times Co. Cl A | $14.5M | 0.55% | 252,000 | Common | SOLE |
| 78473E103 | SPXC | SPX Technologies, Inc. | $14.4M | 0.55% | 76,900 | Common | SOLE |
| 450056106 | IRTC | Irhythm Technologies Inc | $14.0M | 0.53% | 81,200 | Common | SOLE |
| 42226A107 | HQY | HealthEquity Inc. | $13.3M | 0.51% | 140,080 | Common | SOLE |
| 302301106 | EZPW | EZCorp, Inc. | $13.1M | 0.50% | 685,500 | Common | SOLE |
| 39304D102 | GDOT | Green Dot Corp. Cl A | $13.0M | 0.50% | 970,300 | Common | SOLE |
| 056525108 | BMI | Badger Meter | $13.0M | 0.50% | 72,610 | Common | SOLE |
| 00182C103 | ANIP | ANI Pharmaceuticals, Inc. | $12.7M | 0.49% | 138,900 | Common | SOLE |
| 81725T100 | SXT | Sensient Technologies Corp. | $12.6M | 0.48% | 134,200 | Common | SOLE |
| G3934V109 | GENI | Genius Sports Ltd. | $12.6M | 0.48% | 1,015,100 | Common | SOLE |
| 98983L108 | ZWS | Zurn Elkay Water Solutions Cor | $12.5M | 0.48% | 266,000 | Common | SOLE |
| 458665304 | TILE | Interface, Inc. | $12.3M | 0.47% | 425,300 | Common | SOLE |
| 20337X109 | VISN | CommScope Holding Company, Inc | $12.2M | 0.47% | 790,912 | Common | SOLE |
| 007973100 | AEIS | Advanced Energy Industry, Inc. | $11.9M | 0.45% | 69,700 | Common | SOLE |
| G52694109 | KNSA | Kiniksa Pharmaceuticals, Ltd. | $11.9M | 0.45% | 305,200 | Common | SOLE |
| 45867G101 | IDCC | Interdigital, Inc. | $11.8M | 0.45% | 34,100 | Common | SOLE |
| 254543101 | DIOD | Diodes, Inc. | $11.6M | 0.45% | 218,700 | Common | SOLE |
| 03076K108 | ABCB | Ameris Bancorp | $11.5M | 0.44% | 156,400 | Common | SOLE |
| 576485205 | MTDR | Matador Resources Company | $11.4M | 0.44% | 253,900 | Common | SOLE |
| 55955D100 | MGNI | Magnite, Inc. | $11.2M | 0.43% | 514,000 | Common | SOLE |
| 74758T303 | QLYS | Qualys, Inc. | $11.1M | 0.43% | 84,000 | Common | SOLE |
| 830940102 | SKWD | Skyward Specialty Ins Group | $11.0M | 0.42% | 231,800 | Common | SOLE |
| 00650F109 | ADPT | Adaptive Biotechnologies | $10.9M | 0.42% | 726,500 | Common | SOLE |
| 55305B101 | MHO | M/I Homes, Inc. | $10.6M | 0.40% | 73,200 | Common | SOLE |
| 200525103 | CBSH | Commerce Bancshares, Inc. | $10.6M | 0.40% | 176,890 | Common | SOLE |
| 14888U101 | CPRX | Catalyst Pharmaceuticals, Inc. | $10.4M | 0.40% | 528,560 | Common | SOLE |
| 68287N100 | OSPN | OneSpan, Inc. | $10.2M | 0.39% | 640,450 | Common | SOLE |
| 922280102 | VRNS | Varonis Sys, Inc. | $10.1M | 0.39% | 176,600 | Common | SOLE |
| 90041L105 | TPB | Turning PT Brands, Inc. | $10.0M | 0.38% | 101,000 | Common | SOLE |
| 525558201 | LMAT | LeMaitre Vascular, Inc. | $10.0M | 0.38% | 113,767 | Common | SOLE |
| P73684113 | OSW | OneSpaWorld Holdings Limited | $9.8M | 0.38% | 465,400 | Common | SOLE |
| G5509L101 | LIVN | LivaNova Plc | $9.7M | 0.37% | 186,000 | Common | SOLE |
| 92846Q107 | COCO | The Vita Coco Co., Inc. | $9.7M | 0.37% | 228,300 | Common | SOLE |
| 338307101 | FIVN | Five9, Inc. | $9.6M | 0.37% | 396,600 | Common | SOLE |
| g4690m101 | — | IBEX Ltd. | $9.6M | 0.37% | 236,000 | Common | SOLE |
| 006739106 | ADUS | Addus Homecare Corp. | $9.2M | 0.35% | 78,200 | Common | SOLE |
| 264147109 | DCO | Ducommun Inc. | $9.2M | 0.35% | 95,700 | Common | SOLE |
| 58502B106 | MD | Pediatrix Medical Group, Inc. | $9.1M | 0.35% | 545,600 | Common | SOLE |
| 21900C308 | CRMD | CorMedix, Inc. | $9.1M | 0.35% | 785,700 | Common | SOLE |
| 23834J201 | DAVE | Dave, Inc. | $9.1M | 0.35% | 45,622 | Common | SOLE |
| 559663109 | MGY | Magnolia Oil & Gas Corp. | $9.0M | 0.34% | 376,300 | Common | SOLE |
| 228903100 | AORT | Artivion, Inc | $9.0M | 0.34% | 211,800 | Common | SOLE |
| 63888U108 | NGVC | Natural Grocers by Vitamin Cot | $8.8M | 0.34% | 218,806 | Common | SOLE |
| 40637H109 | HALO | Halozyme Therapeutics, Inc. | $8.6M | 0.33% | 117,580 | Common | SOLE |
| 302081104 | EXLS | Exlservice Holdings | $8.6M | 0.33% | 194,400 | Common | SOLE |
| 420261109 | HWKN | Hawkins, Inc. | $8.4M | 0.32% | 45,700 | Common | SOLE |
| 02553E106 | AEO | American Eagle Outfitters | $8.3M | 0.32% | 484,000 | Common | SOLE |
| 53263P105 | LMB | Limbach Hldgs, Inc. | $8.1M | 0.31% | 83,700 | Common | SOLE |
| 65406E102 | NIC | Nicolet Bankshares, Inc. | $8.1M | 0.31% | 60,200 | Common | SOLE |
| 65487K100 | LASR | nLIGHT Inc. | $7.9M | 0.30% | 266,000 | Common | SOLE |
| 56117J100 | MBUU | Malibu Boats, Inc. | $7.7M | 0.30% | 238,200 | Common | SOLE |
| M2197Q107 | CLBT | Cellebrite DI Ltd. | $7.7M | 0.29% | 414,550 | Common | SOLE |
| 749527107 | 1RG | Rev Group, Inc. | $7.6M | 0.29% | 134,500 | Common | SOLE |
| G6331P104 | AOSL | Alpha & Omega Semiconductor | $7.6M | 0.29% | 271,100 | Common | SOLE |
| 918284100 | VSEC | VSE Corp. | $7.4M | 0.28% | 44,600 | Common | SOLE |
| 320817109 | FRME | First Merchants Corporation | $7.4M | 0.28% | 196,000 | Common | SOLE |
| 53635D202 | LQDA | Liquidia Corp. | $7.3M | 0.28% | 321,200 | Common | SOLE |
| 12618T105 | CRAI | CRA Int'l Inc. | $7.3M | 0.28% | 34,900 | Common | SOLE |
| M81873107 | RDWR | Radware, Ltd. | $7.3M | 0.28% | 274,700 | Common | SOLE |
| 30049H102 | EVLV | Evolv Technologies Holdings | $7.2M | 0.27% | 948,400 | Common | SOLE |
| 533535100 | LINC | Lincoln EDL Svcs | $7.1M | 0.27% | 301,600 | Common | SOLE |
| 099406100 | BOOT | Boot Barn Hldgs, Inc. | $7.0M | 0.27% | 42,100 | Common | SOLE |
| 30257X104 | FBK | FB Financial Corp. | $6.9M | 0.26% | 123,500 | Common | SOLE |
| 02081G201 | ATEC | Alphatec Hldgs Inc. | $6.7M | 0.26% | 461,122 | Common | SOLE |
| 94724R108 | WEAV | Weave Communications, Inc. | $6.6M | 0.25% | 985,950 | Common | SOLE |
| 22266M104 | COUR | Coursera, Inc. | $6.6M | 0.25% | 561,000 | Common | SOLE |
| 120076104 | BBW | Build A Bear | $6.0M | 0.23% | 91,600 | Common | SOLE |
| 447462102 | HURN | Huron Consulting Group, Inc. | $5.9M | 0.23% | 40,500 | Common | SOLE |
| 05463X106 | AXGN | AxoGen Inc. | $5.9M | 0.22% | 328,100 | Common | SOLE |
| M7S64l123 | — | Pagaya Technologies Ltd. | $5.6M | 0.22% | 190,000 | Common | SOLE |
| 651718504 | NPKI | NPK International, Inc. | $5.6M | 0.22% | 496,500 | Common | SOLE |
| 73931J109 | AIOT | Powerfleet, Inc. | $5.6M | 0.21% | 1,068,800 | Common | SOLE |
| 74022D407 | PDS | Precision Drilling Corp. | $5.5M | 0.21% | 97,100 | Common | SOLE |
| 04963C209 | ATRC | Atricure, Inc. | $5.4M | 0.21% | 153,500 | Common | SOLE |
| 75704L104 | RDVT | Red Violet, Inc. | $5.2M | 0.20% | 100,300 | Common | SOLE |
| N3144W105 | XPRO | Expro Group Holdings N.V. | $5.2M | 0.20% | 435,500 | Common | SOLE |
| 336901103 | SRCE | 1st Source Corp. | $5.1M | 0.19% | 82,700 | Common | SOLE |
| 45774W108 | IIIN | Insteel Industries Inc. | $5.1M | 0.19% | 132,732 | Common | SOLE |
| 05637B105 | BLZE | Backblaze, Inc. | $5.0M | 0.19% | 538,700 | Common | SOLE |
| 125141101 | CECO | CECO Environmental Corp. | $4.7M | 0.18% | 92,008 | Common | SOLE |
| 053604104 | AVPT | AvePoint, Inc. | $4.4M | 0.17% | 296,300 | Common | SOLE |
| 946760105 | CLMB | Climb Global Solutions, Inc. | $4.4M | 0.17% | 32,500 | Common | SOLE |
| 383082104 | GRC | The Gorman-Rupp Co. | $4.2M | 0.16% | 90,900 | Common | SOLE |
| 29772L108 | ETON | Eton Pharmaceuticals, Inc. | $4.2M | 0.16% | 192,360 | Common | SOLE |
| 09075A108 | BVS | Bioventus, Inc. | $4.0M | 0.15% | 601,714 | Common | SOLE |
| 50216C108 | LYTS | LSI Industries Inc. | $4.0M | 0.15% | 169,200 | Common | SOLE |
| 535219109 | LIND | Lindblad Expeditions Holdings, | $3.8M | 0.15% | 299,400 | Common | SOLE |
| 81141R100 | SE | Sea Ltd | $3.0M | 0.12% | 17,000 | Common | SOLE |
| 576853105 | MTRX | Matrix Service Co. | $2.9M | 0.11% | 221,075 | Common | SOLE |
| 127387108 | CDNS | Cadence Design System, Inc. | $2.6M | 0.10% | 7,400 | Common | SOLE |
| L8681T102 | SPOT | Spotify Technology S.A. | $2.0M | 0.07% | 2,800 | Common | SOLE |
| 36118L106 | FUTU | Futu Holdings Ltd. | $1.9M | 0.07% | 11,000 | Common | SOLE |
| 82509L107 | SHOP | Shopify, Inc. | $1.5M | 0.06% | 10,000 | Common | SOLE |
| 78462F103 | SPY | SPDR S&P 500 ETF Trust | $1.4M | 0.06% | 2,173 | Common | NONE |
| 594918104 | MSFT | Microsoft Corp. | $1.4M | 0.05% | 2,665 | Common | NONE |
| 46625H100 | JPM | JP Morgan Chase & Company Inc. | $984,496 | 0.04% | 3,121 | Common | NONE |
| 722304102 | PDD | PDD Holdings Inc. ADR | $925,190 | 0.04% | 7,000 | Common | SOLE |
| 037833100 | AAPL | Apple, Inc. | $862,601 | 0.03% | 3,388 | Common | NONE |
| 428050108 | HSAI | Hesai Group | $786,800 | 0.03% | 28,000 | Common | SOLE |
| 04041L106 | ARISUSD | Aris Water Solutions, Inc. | $547,486 | 0.02% | 22,201 | Common | SOLE |
| 89417E109 | TRV | The Travelers Co., Inc. | $466,330 | 0.02% | 1,670 | Common | NONE |
| 02079k305 | — | Alphabet, Inc. Cl A | $461,890 | 0.02% | 1,900 | Common | NONE |
| 761152107 | RMD | Resmed Inc. | $396,909 | 0.02% | 1,450 | Common | NONE |
| 02079k107 | — | Alphabet, Inc. Cl C | $394,551 | 0.02% | 1,620 | Common | NONE |
| 57636Q104 | MA | Mastercard, Inc. | $381,908 | 0.01% | 671 | Common | NONE |
| 478160104 | JNJ | Johnson & Johnson | $379,522 | 0.01% | 2,047 | Common | NONE |
| 031162100 | AMGN | Amgen, Inc. | $291,916 | 0.01% | 1,034 | Common | NONE |
| 064058100 | BK | Bank of New York Mellon Corp. | $284,135 | 0.01% | 2,608 | Common | NONE |
| 651639106 | NEM | Newmont Mining | $267,389 | 0.01% | 3,171 | Common | NONE |
| 580135101 | MCD | McDonald's Corporation | $258,864 | 0.01% | 852 | Common | NONE |
| 931142103 | WMT | Wal Mart Stores Inc. | $242,876 | 0.01% | 2,357 | Common | NONE |
| 001055102 | AFL | Aflac Inc. | $223,400 | 0.01% | 2,000 | Common | NONE |
| 149123101 | CAT | Caterpillar, Inc. | $203,224 | 0.01% | 426 | 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.