13F-HR filed by OBERWEIS ASSET MANAGEMENT INC/
OBERWEIS ASSET MANAGEMENT INC/ filed this 13F-HR for the quarter ended 2023-09-30, filed 2023-11-14, with 195 holding rows worth $941,461,591.
- Accession
- 0001213900-23-086509
- Filer
- CIK 937886
- Filed
- 2023-11-14
- Accepted by EDGAR
- acceptance time not in the bulk data set
- Ingested
- Source
- SEC quarterly data set
13F report for Q3 2023
A holdings report, 195 entries on the cover page, a total value of $941,461,591 stated on the cover page (in dollars after the unit check, H1), rows summing to $941,461,591 with VALUE read as dollars as filed, 13F file number 028-04688. The quarter's positions are built on this report. The resolved quarter.
The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).
| Issuer as filed | CUSIP | Class | Amount | Value | Value read as | Type |
|---|---|---|---|---|---|---|
| CONSTELLIUM SE | F21107101 | CL A SHS | 2,933,071 | $53,381,892 | dollars as filed | |
| AEHR TEST SYSTEMS | 00760J108 | COMMON STOCK | 910,108 | $41,591,936 | dollars as filed | |
| AXCELIS TECHNOLOGIES INC | 054540208 | COM NEW | 193,559 | $31,559,795 | dollars as filed | |
| WEATHERFORD INTL PLC ORD SHS | G48833118 | Stock | 196,920 | $17,787,784 | dollars as filed | |
| ALPHATEC HLDGS INC | 02081G201 | COM NEW | 1,236,040 | $16,031,439 | dollars as filed | |
| Perion Network Ltd | M78673114 | COM | 470,290 | $14,404,983 | dollars as filed | |
| VERTIV HOLDINGS CO COM CL A | 92537N108 | Stock | 380,990 | $14,172,828 | dollars as filed | |
| VERACYTE INC COM | 92337F107 | Stock | 597,540 | $13,343,068 | dollars as filed | |
| DECKERS OUTDOOR CORP | 243537107 | COM | 25,700 | $13,212,113 | dollars as filed | |
| LANTHEUS HLDGS INC | 516544103 | COM | 169,340 | $11,765,743 | dollars as filed | |
| ICF INTL INC | 44925C103 | COM | 95,700 | $11,561,517 | dollars as filed | |
| CAMTEK LTD ORD | M20791105 | Stock | 166,380 | $10,358,819 | dollars as filed | |
| UNIVERSAL DISPLAY CORP | 91347P105 | COM | 62,015 | $9,735,735 | dollars as filed | |
| EXTREME NETWORKS INC | 30226D106 | COM | 381,470 | $9,235,389 | dollars as filed | |
| AXONICS INC | 05465P101 | COM | 161,620 | $9,070,114 | dollars as filed | |
| BELDEN INC COM | 077454106 | Stock | 91,480 | $8,832,437 | dollars as filed | |
| FLOWSERVE CORP | 34354P105 | COM | 210,840 | $8,385,107 | dollars as filed | |
| TRANSMEDICS GROUP INC | 89377M109 | COM | 151,100 | $8,272,725 | dollars as filed | |
| STERLING INFRASTRUCTURE INC COM | 859241101 | Stock | 110,000 | $8,082,800 | dollars as filed | |
| VISTEON CORP | 92839U206 | COM NEW | 57,970 | $8,003,918 | dollars as filed | |
| AEROVIRONMENT INC COM | 008073108 | Stock | 69,100 | $7,706,723 | dollars as filed | |
| CLEAN HARBORS INC COM | 184496107 | Stock | 45,415 | $7,600,654 | dollars as filed | |
| ENCOMPASS HEALTH CORP COM | 29261A100 | Stock | 111,600 | $7,495,056 | dollars as filed | |
| ADMA BIOLOGICS INC | 000899104 | COM | 2,078,400 | $7,440,672 | dollars as filed | |
| POWER INTEGRATIONS INC COM | 739276103 | Stock | 94,573 | $7,216,833 | dollars as filed | |
| ALLEGRO MICROSYSTEMS INC | 01749D105 | COM | 225,930 | $7,216,204 | dollars as filed | |
| PARSONS CORP DEL COM | 70202L102 | Stock | 131,300 | $7,136,155 | dollars as filed | |
| AMPHASTAR PHARMACEUTICALS IN | 03209R103 | COM | 152,500 | $7,013,475 | dollars as filed | |
| EVOLENT HEALTH INC CL A | 30050B101 | Stock | 255,460 | $6,956,176 | dollars as filed | |
| CROCS INC COM | 227046109 | Stock | 78,730 | $6,946,348 | dollars as filed | |
| HAEMONETICS CORP MASS COM | 405024100 | Stock | 77,400 | $6,933,492 | dollars as filed | |
| SI BONE INC | 825704109 | COM | 315,100 | $6,692,724 | dollars as filed | |
| CECO ENVIRONMENTAL CORP | 125141101 | COM | 416,700 | $6,654,699 | dollars as filed | |
| MERIT MED SYS INC COM | 589889104 | Stock | 95,660 | $6,602,453 | dollars as filed | |
| FORMFACTOR INC COM | 346375108 | Stock | 188,100 | $6,572,214 | dollars as filed | |
| BLUE BIRD CORP | 095306106 | COM | 306,500 | $6,543,775 | dollars as filed | |
| ULTRA CLEAN HLDGS INC COM | 90385V107 | Stock | 218,100 | $6,471,027 | dollars as filed | |
| VEECO INSTRS INC DEL COM | 922417100 | Stock | 226,800 | $6,375,348 | dollars as filed | |
| NAVITAS SEMICONDUCTOR CORP COM | 63942X106 | Stock | 912,500 | $6,341,875 | dollars as filed | |
| RPC INC | 749660106 | COMMON STOCK | 708,576 | $6,334,672 | dollars as filed | |
| FIRSTCASH HOLDINGS INC | 33768G107 | COM | 61,700 | $6,193,446 | dollars as filed | |
| ACM RESH INC COM CL A | 00108J109 | Stock | 341,800 | $6,188,289 | dollars as filed | |
| WOODWARD INC COM | 980745103 | Stock | 48,800 | $6,063,888 | dollars as filed | |
| MODEL N INC | 607525102 | COM | 241,430 | $5,893,306 | dollars as filed | |
| HNI CORP COM | 404251100 | Stock | 169,700 | $5,876,711 | dollars as filed | |
| PRIMORIS SVCS CORP COM | 74164F103 | Stock | 178,600 | $5,845,578 | dollars as filed | |
| HURON CONSULTING GROUP INC | 447462102 | COM | 55,900 | $5,822,544 | dollars as filed | |
| V2X INC | 92242T101 | COM | 112,500 | $5,811,750 | dollars as filed | |
| BEL FUSE INC | 077347300 | CL B | 121,500 | $5,797,980 | dollars as filed | |
| DYNAVAX TECHNOLOGIES CORP | 268158201 | COM NEW | 385,200 | $5,689,404 | dollars as filed | |
| MGP INGREDIENTS INC NEW | 55303J106 | COM | 53,650 | $5,659,002 | dollars as filed | |
| ZETA GLOBAL HOLDINGS CORP CL A | 98956A105 | Stock | 674,700 | $5,633,745 | dollars as filed | |
| INTERPARFUMS INC COM | 458334109 | Stock | 41,600 | $5,588,544 | dollars as filed | |
| ALLISON TRANSMISSION HLDGS I | 01973R101 | COM | 94,100 | $5,557,546 | dollars as filed | |
| SPX TECHNOLOGIES INC | 78473E103 | COM | 68,000 | $5,535,200 | dollars as filed | |
| UNITED PARKS & RESORTS INC | 81282V100 | COM | 119,280 | $5,516,700 | dollars as filed | |
| INMODE LTD SHS | M5425M103 | Stock | 180,260 | $5,490,720 | dollars as filed | |
| ACADIA HEALTHCARE COMPANY INC COM | 00404A109 | Stock | 77,800 | $5,470,118 | dollars as filed | |
| FEDERAL SIGNAL CORP | 313855108 | COM | 91,400 | $5,459,322 | dollars as filed | |
| CIRCOR INTL INC | 17273K109 | COM | 97,900 | $5,457,925 | dollars as filed | |
| OPTION CARE HEALTH INC COM NEW | 68404L201 | Stock | 167,800 | $5,428,330 | dollars as filed | |
| ONTO INNOVATION INC COM | 683344105 | Stock | 41,100 | $5,241,072 | dollars as filed | |
| OSHKOSH CORP COM | 688239201 | Stock | 54,136 | $5,166,193 | dollars as filed | |
| PREFERRED BK LOS ANGELES CA | 740367404 | COM NEW | 82,600 | $5,141,850 | dollars as filed | |
| APPLIED OPTOELECTRONICS INC | 03823U102 | COM | 468,415 | $5,138,513 | dollars as filed | |
| PLAYA HOTELS & RESORTS NV | N70544106 | SHS | 701,500 | $5,078,860 | dollars as filed | |
| FRONTDOOR INC COM | 35905A109 | Stock | 164,700 | $5,038,173 | dollars as filed | |
| BOOT BARN HLDGS INC | 099406100 | COM | 60,800 | $4,936,352 | dollars as filed | |
| EZCORP INC | 302301106 | CL A NON VTG | 595,300 | $4,911,225 | dollars as filed | |
| EARTHSTONE ENERGY INC | 27032D304 | COMMON STOCK | 240,600 | $4,869,744 | dollars as filed | |
| HEXCEL CORP NEW | 428291108 | COM | 73,300 | $4,774,762 | dollars as filed | |
| LSI INDUSTRIES INC | 50216C108 | COMMON STOCK | 298,700 | $4,743,356 | dollars as filed | |
| APPLIED INDL TECHNOLOGIES INC COM | 03820C105 | Stock | 30,500 | $4,715,605 | dollars as filed | |
| TREACE MED CONCEPTS INC | 89455T109 | COM | 355,600 | $4,661,916 | dollars as filed | |
| PHOTRONICS INC | 719405102 | COM | 230,100 | $4,650,321 | dollars as filed | |
| TACTILE SYSTEMS TECHNOLOGY I | 87357P100 | COMMON STOCK | 330,350 | $4,641,418 | dollars as filed | |
| EMPLOYERS HOLDINGS INC | 292218104 | COMMON STOCK | 112,200 | $4,482,390 | dollars as filed | |
| SP PLUS CORP | 78469C103 | COM | 122,500 | $4,422,250 | dollars as filed | |
| ALLEGIANT TRAVEL CO | 01748X102 | COM | 56,762 | $4,362,750 | dollars as filed | |
| GRANITE CONSTR INC COM | 387328107 | Stock | 114,600 | $4,357,092 | dollars as filed | |
| DIGI INTL INC | 253798102 | COM | 161,100 | $4,349,700 | dollars as filed | |
| PETIQ INC | 71639T106 | COMMON STOCK | 219,600 | $4,326,120 | dollars as filed | |
| SUPER MICRO COMPUTER INC | 86800U104 | COM | 15,700 | $4,305,254 | dollars as filed | |
| WEAVE COMMUNICATIONS INC | 94724R108 | COM | 523,600 | $4,267,340 | dollars as filed | |
| DMC GLOBAL INC | 23291C103 | COM | 174,100 | $4,260,227 | dollars as filed | |
| Sun Country Airlines Holding | 866683105 | COM | 283,000 | $4,199,720 | dollars as filed | |
| ABERCROMBIE & FITCH CO CL A | 002896207 | Stock | 73,500 | $4,143,195 | dollars as filed | |
| MAXIMUS INC | 577933104 | COM | 55,200 | $4,122,336 | dollars as filed | |
| QUAKER HOUGHTON | 747316107 | COM | 25,500 | $4,080,000 | dollars as filed | |
| JANUS INTERNATIONAL GROUP IN | 47103N106 | COMMON STOCK | 378,600 | $4,051,020 | dollars as filed | |
| CADENCE DESIGN SYSTEM INC COM | 127387108 | Stock | 17,200 | $4,029,960 | dollars as filed | |
| H&E EQUIPMENT SERVICES INC | 404030108 | COM | 92,200 | $3,982,118 | dollars as filed | |
| AVIAT NETWORKS INC | 05366Y201 | COMMON STOCK | 125,307 | $3,909,578 | dollars as filed | |
| ATI INC COM | 01741R102 | Stock | 95,000 | $3,909,250 | dollars as filed | |
| NEXTPOWER INC CLASS A COM | 65290E101 | Stock | 97,300 | $3,907,568 | dollars as filed | |
| INTERNATIONAL SEAWAYS INC COM | Y41053102 | Stock | 86,500 | $3,892,500 | dollars as filed | |
| MODINE MFG CO COM | 607828100 | Stock | 84,600 | $3,870,450 | dollars as filed | |
| UNUM GROUP COM | 91529Y106 | Stock | 76,700 | $3,772,873 | dollars as filed | |
| ARTIVION INC | 228903100 | COM | 248,200 | $3,762,712 | dollars as filed | |
| HELIX ENERGY SOLUTIONS GRP INC COM | 42330P107 | Stock | 335,600 | $3,748,652 | dollars as filed | |
| M/I HOMES INC | 55305B101 | COM | 44,300 | $3,722,972 | dollars as filed | |
| FABRINET SHS | G3323L100 | Stock | 22,200 | $3,698,964 | dollars as filed | |
| CLEARWATER PAPER CORP | 18538R103 | COM | 101,000 | $3,661,250 | dollars as filed | |
| PATTERSON-UTI ENERGY INC | 703481101 | COM | 261,700 | $3,621,928 | dollars as filed | |
| NEOGENOMICS INC | 64049M209 | COM NEW | 293,400 | $3,608,820 | dollars as filed | |
| G III APPAREL GROUP LTD | 36237H101 | COM | 144,000 | $3,588,480 | dollars as filed | |
| HAYNES INTL INC | 420877201 | COM NEW | 76,100 | $3,540,172 | dollars as filed | |
| CATALYST PHARMACEUTICALS INC | 14888U101 | COM | 293,600 | $3,432,184 | dollars as filed | |
| GROCERY OUTLET HLDG CORP COM | 39874R101 | Stock | 115,900 | $3,343,715 | dollars as filed | |
| MONARCH CASINO & RESORT INC | 609027107 | COM | 53,800 | $3,340,980 | dollars as filed | |
| CIENA CORP COM NEW | 171779309 | Stock | 70,200 | $3,317,652 | dollars as filed | |
| JELD-WEN HLDG INC | 47580P103 | COM | 247,400 | $3,305,264 | dollars as filed | |
| MANNKIND CORP COM NEW | 56400P706 | Stock | 798,400 | $3,297,392 | dollars as filed | |
| EVERI HLDGS INC | 30034T103 | COM | 249,000 | $3,291,780 | dollars as filed | |
| FASTLY INC | 31188V100 | CL A | 170,300 | $3,264,651 | dollars as filed | |
| A10 NETWORKS INC | 002121101 | COM | 215,000 | $3,231,450 | dollars as filed | |
| SHOALS TECHNOLOGIES GROUP INC CL A | 82489W107 | Stock | 174,300 | $3,180,975 | dollars as filed | |
| AMYLYX PHARMACEUTICALS INC | 03237H101 | COM | 170,000 | $3,112,700 | dollars as filed | |
| LEMAITRE VASCULAR INC | 525558201 | COM | 57,000 | $3,105,360 | dollars as filed | |
| CHEFS WHSE INC | 163086101 | COM | 146,400 | $3,100,752 | dollars as filed | |
| OSI SYSTEMS INC | 671044105 | COM | 25,400 | $2,998,216 | dollars as filed | |
| NOV INC | 62955J103 | COM | 141,000 | $2,946,900 | dollars as filed | |
| PRIMO WATER CORPORATION | 74167P108 | COM | 211,500 | $2,918,700 | dollars as filed | |
| OXFORD INDS INC | 691497309 | COM | 30,200 | $2,903,126 | dollars as filed | |
| SCANSOURCE INC | 806037107 | COM | 95,664 | $2,899,576 | dollars as filed | |
| MATADOR RES CO COM | 576485205 | Stock | 48,600 | $2,890,728 | dollars as filed | |
| AVEPOINT INC COM CL A | 053604104 | Stock | 425,000 | $2,856,000 | dollars as filed | |
| COMSTOCK RES INC COM | 205768302 | Stock | 251,195 | $2,770,685 | dollars as filed | |
| LIBERTY ENERGY INC | 53115L104 | COM CL A | 149,400 | $2,766,888 | dollars as filed | |
| MERCANTILE BANK CORP | 587376104 | COMMON STOCK | 85,603 | $2,645,975 | dollars as filed | |
| BJS RESTAURANTS INC | 09180C106 | COM | 112,200 | $2,632,212 | dollars as filed | |
| ROVER GROUP INC | 77936F103 | COM CL A | 408,000 | $2,554,080 | dollars as filed | |
| WINGSTOP INC COM | 974155103 | Stock | 14,200 | $2,553,728 | dollars as filed | |
| QUALYS INC COM | 74758T303 | Stock | 16,600 | $2,532,330 | dollars as filed | |
| PDD HOLDINGS INC SPONSORED ADS | 722304102 | ADR | 25,000 | $2,451,750 | dollars as filed | |
| CALERES INC | 129500104 | COM | 84,000 | $2,415,840 | dollars as filed | |
| GIBRALTAR INDS INC | 374689107 | COM | 35,700 | $2,410,107 | dollars as filed | |
| VSE CORP COM | 918284100 | Stock | 47,700 | $2,405,988 | dollars as filed | |
| ELFBEAUTYINC | 26856L103 | STOK | 21,800 | $2,394,294 | dollars as filed | |
| COMFORT SYS USA INC COM | 199908104 | Stock | 14,000 | $2,385,740 | dollars as filed | |
| 1ST SOURCE CORP COM | 336901103 | Stock | 55,900 | $2,352,831 | dollars as filed | |
| MINISO GROUP HLDG LTD SPONSORED ADS | 66981J102 | ADR | 90,400 | $2,341,360 | dollars as filed | |
| ARRAY TECHNOLOGIES, INC. | 04271T100 | COM SHS | 104,000 | $2,307,760 | dollars as filed | |
| MURPHY USA INC COM | 626755102 | Stock | 6,700 | $2,289,591 | dollars as filed | |
| MAGNOLIA OIL & GAS CORP | 559663109 | CL A | 99,000 | $2,268,090 | dollars as filed | |
| QUANTERIX CORP | 74766Q101 | COMMON STOCK | 83,400 | $2,263,476 | dollars as filed | |
| HERITAGE FINANCIAL CORP | 42722X106 | COMMON STOCK | 136,000 | $2,218,160 | dollars as filed | |
| SIMPSON MFG INC | 829073105 | COM | 14,700 | $2,202,207 | dollars as filed | |
| GORMAN RUPP CO COM | 383082104 | Stock | 65,000 | $2,138,500 | dollars as filed | |
| PDF SOLUTIONS INC | 693282105 | COMMON STOCK | 66,000 | $2,138,400 | dollars as filed | |
| MCGRATH RENTCORP | 580589109 | COM | 21,100 | $2,115,064 | dollars as filed | |
| POWELL INDS INC | 739128106 | COM | 25,400 | $2,105,660 | dollars as filed | |
| HAWKINS INC | 420261109 | COM | 35,600 | $2,095,060 | dollars as filed | |
| ATRICURE INC | 04963C209 | COM | 47,300 | $2,071,740 | dollars as filed | |
| WAFD INC | 938824109 | COM | 79,700 | $2,041,914 | dollars as filed | |
| FIRST MERCHANTS CORP COM | 320817109 | Stock | 72,900 | $2,028,078 | dollars as filed | |
| EPLUS INC | 294268107 | COM | 31,700 | $2,013,584 | dollars as filed | |
| RAPID7 INC COM | 753422104 | Stock | 43,900 | $2,009,742 | dollars as filed | |
| TEXAS ROADHOUSE INC COM | 882681109 | Stock | 20,500 | $1,970,050 | dollars as filed | |
| IMPINJ INC | 453204109 | COM | 35,700 | $1,964,571 | dollars as filed | |
| HALOZYME THERAPEUTICS INC COM | 40637H109 | Stock | 50,500 | $1,929,100 | dollars as filed | |
| ANI PHARMACEUTICALS INC | 00182C103 | COM | 33,000 | $1,915,980 | dollars as filed | |
| TREX CO INC | 89531P105 | COM | 30,400 | $1,873,552 | dollars as filed | |
| DESTINATION XL GROUP INC | 25065K104 | COM | 415,700 | $1,862,336 | dollars as filed | |
| ASTEC INDS INC | 046224101 | COM | 39,400 | $1,856,134 | dollars as filed | |
| VISHAY PRECISION GROUP INC | 92835K103 | COM | 54,500 | $1,830,110 | dollars as filed | |
| UPWORK INC | 91688F104 | COM | 143,400 | $1,629,024 | dollars as filed | |
| SPY | 78462F103 | SHS | 3,597 | $1,537,837 | dollars as filed | |
| LI AUTO INC SPONSORED ADS | 50202M102 | ADR | 38,000 | $1,354,700 | dollars as filed | |
| ALTA EQUIPMENT GROUP INC COMMON STOCK | 02128L106 | Stock | 110,100 | $1,327,806 | dollars as filed | |
| CADRE HLDGS INC COM | 12763L105 | Stock | 47,300 | $1,260,545 | dollars as filed | |
| LEGEND BIOTECH CORP | 52490G102 | SPONSORED ADS | 16,000 | $1,074,720 | dollars as filed | |
| TAIWAN SEMICONDUCTOR MFG | 874039100 | SPONSORED ADS | 12,000 | $1,042,800 | dollars as filed | |
| FULL HSE RESORTS INC | 359678109 | COM | 223,143 | $952,821 | dollars as filed | |
| AMTECH SYSTEMS INC | 032332504 | COMMON STOCK | 118,900 | $906,018 | dollars as filed | |
| Microsoft Corp | 594918104 | COM | 2,835 | $895,151 | dollars as filed | |
| Apple Inc | 037833100 | COM | 4,870 | $833,859 | dollars as filed | |
| CVD EQUIP CORP | 126601103 | COM | 103,000 | $684,971 | dollars as filed | |
| JPMorgan Chase & Co | 46625H100 | COM | 4,004 | $580,666 | dollars as filed | |
| Johnson & Johnson | 478160104 | COM | 2,533 | $394,581 | dollars as filed | |
| TRAVELERS COMPANIES INC COM | 89417E109 | Stock | 2,194 | $358,285 | dollars as filed | |
| Amgen Inc. | 031162100 | COM | 1,224 | $328,854 | dollars as filed | |
| MasterCard, Inc | 57636Q104 | COM | 825 | $326,744 | dollars as filed | |
| GRUPO AEROPORTUARIO DEL CENT | 400501102 | SPON ADR | 2,700 | $234,657 | dollars as filed | |
| McDonalds Corporation | 580135101 | COM | 842 | $221,746 | dollars as filed | |
| ARCOS DORADOS HLDGS INC | G0457F107 | SHS CLASS -A - | 23,200 | $219,472 | dollars as filed | |
| Amazon.com, Inc | 023135106 | COM | 1,700 | $216,104 | dollars as filed | |
| Walmart Inc. | 931142103 | COM | 1,349 | $215,823 | dollars as filed | |
| RESMED INC COM | 761152107 | Stock | 1,450 | $214,412 | dollars as filed | |
| DADA NEXUS LTD NPV ADR | 23344D108 | ADS | 22,800 | $101,460 | dollars as filed | |
| AVATAR VENTURES CORP | 05350B100 | COMMON STOCK | 10,000 | $1 | dollars as filed | |
| Xenacare Hldgs, Inc. | 98401A106 | COM | 140,000 | $0 | dollars as filed | Value filed as zero, left out of ratios. |
| Titan Oil & Gas Inc New | 888309101 | COM | 10,000 | $0 | dollars as filed | Value filed as zero, left out of ratios. |
| AMERICAN POWER ORD | 02906T107 | COM | 10,000 | $0 | dollars as filed | Value filed as zero, left out of ratios. |
| AMR Corp Escrow | 001ESC102 | COM | 18,000 | $0 | dollars as filed | Value filed as zero, left out of ratios. |
Amendment chain
| Filing | Role | Filed | Accepted | Ingested |
|---|---|---|---|---|
| 13F-HR 0001213900-23-086509 | this filing | 2023-11-14 | acceptance time not in the bulk data set |