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13F-HR filed by OBERWEIS ASSET MANAGEMENT INC/

OBERWEIS ASSET MANAGEMENT INC/ filed this 13F-HR for the quarter ended 2018-03-31, filed 2018-05-15, with 227 holding rows worth $381,001,000.

Accession
0001144204-18-028598
Filed
2018-05-15
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q1 2018

A holdings report, 227 entries on the cover page, a total value of $381,001,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $381,001,000 with VALUE read as thousands by filing date, 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 filedCUSIPClassAmountValueValue read asType
LOGMEIN INC54142L109COMMON STOCK91,969$10,627,000thousands by filing date
EXTREME NETWORKS INC30226D106COM930,394$10,299,000thousands by filing date
BURLINGTON STORES INC COM122017106Stock72,490$9,652,000thousands by filing date
LHC GROUP50187A107COM140,113$8,625,000thousands by filing date
CHILDRENS PL INC NEW168905107COM63,237$8,553,000thousands by filing date
CARBONITE INC141337105COM292,644$8,428,000thousands by filing date
OSHKOSH CORP COM688239201Stock106,615$8,238,000thousands by filing date
LIGAND PHARMACEUTICALS INC53220K504COM NEW48,792$8,058,000thousands by filing date
ORASURE TECHNOLOGIES INC68554V108COM465,578$7,864,000thousands by filing date
VARONIS SYS INC922280102COM129,899$7,859,000thousands by filing date
MONOLITHIC PWR SYS INC COM609839105Stock61,807$7,155,000thousands by filing date
ALIBABA GROUP HLDG LTD01609W102SPONSORED ADS37,135$6,816,000thousands by filing date
LUMENTUM HLDGS INC COM55024U109Stock102,397$6,533,000thousands by filing date
INTERSECT ENT INC46071F103COM162,000$6,367,000thousands by filing date
CENTRAL GARDEN PET CO153527106COMMON STOCK147,410$6,339,000thousands by filing date
PACIFIC PREMIER BANCORP INC69478X105COM152,168$6,117,000thousands by filing date
SKYWEST INC COM830879102Stock108,571$5,906,000thousands by filing date
CARE COM INC141633107COM357,049$5,809,000thousands by filing date
PATRICK INDS INC703343103COM91,052$5,632,000thousands by filing date
CEVA INC157210105COMMON STOCK155,316$5,622,000thousands by filing date
EAGLE BANCORPORATION INC268948106COM91,460$5,474,000thousands by filing date
AT HOME GROUP INC04650Y100COM170,095$5,450,000thousands by filing date
AMN HEALTHCARE SVCS INC001744101COM95,031$5,393,000thousands by filing date
INOGEN INC45780L104COM43,685$5,366,000thousands by filing date
CENTERSTATE BK CORP15201P109COM201,953$5,358,000thousands by filing date
DIAMONDBACK ENERGY INC COM25278X109Stock42,216$5,341,000thousands by filing date
AVANTAX INC095229100COMMON STOCK210,394$5,176,000thousands by filing date
CONTROL4 CORP21240D107COM231,685$4,977,000thousands by filing date
COLUMBUS MCKINNON CORP NY199333105COMMON STOCK136,774$4,902,000thousands by filing date
TREX CO INC89531P105COM44,645$4,856,000thousands by filing date
MELLANOX TECHNOLOGIES LTDM51363113COMMON STOCK66,590$4,851,000thousands by filing date
GREEN DOT CORP CLASS A39304D102CL A74,925$4,807,000thousands by filing date
VIPSHOP HLDGS LTD SPONSORED ADS A92763W103ADR240,070$3,990,000thousands by filing date
TAL ED GROUP SPONSORED ADS874080104ADR96,936$3,595,000thousands by filing date
ELDORADO RESORTS INC28470R102COM108,343$3,575,000thousands by filing date
MERITOR INC59001K100COMMON STOCK172,480$3,546,000thousands by filing date
SPY78462F103SHS11,701$3,079,000thousands by filing date
CAREER EDUCATION CORP141665109COM228,193$2,998,000thousands by filing date
CALLON PETE CO DEL13123X102COM219,287$2,903,000thousands by filing date
VISTEON CORP92839U206COM NEW22,484$2,479,000thousands by filing date
NEW ORIENTAL EDUCATION & TECHN647581107SPON ADR27,380$2,400,000thousands by filing date
TIVO CORP88870P106COM167,928$2,275,000thousands by filing date
SILICON LABORATORIES INC COM826919102Stock24,562$2,208,000thousands by filing date
WILLIAMS SONOMA INC COM969904101Stock38,030$2,006,000thousands by filing date
TRIUMPH GROUP INC NEW896818101COM77,161$1,944,000thousands by filing date
CHINA LODGING GROUP LTD16949N109SPONSORED ADR14,000$1,844,000thousands by filing date
58 COM INC31680Q104SPON ADR REP A23,000$1,837,000thousands by filing date
BAOZUN INC ADR06684L103SPONSORED ADR40,000$1,835,000thousands by filing date
WEIBO CORP SPONSORED ADR948596101ADR14,555$1,740,000thousands by filing date
SPARTAN MTRS INC846819100COM100,300$1,725,000thousands by filing date
ADESTO TECHNOLOGIES CORP00687D101COM233,100$1,725,000thousands by filing date
AMC ENTMT HLDGS INC00165C104CL A COM121,770$1,711,000thousands by filing date
MOMO INC60879B107ADR45,730$1,709,000thousands by filing date
ENVIRI CORP415864107COM81,300$1,679,000thousands by filing date
BAIDU INC SPON ADR REP A056752108ADR7,400$1,652,000thousands by filing date
MALIBU BOATS INC A56117J100COMMON STOCK49,600$1,647,000thousands by filing date
YY INC. ADR98426T106SPONSORED ADS A15,000$1,578,000thousands by filing date
DMC GLOBAL INC23291C103COM58,000$1,552,000thousands by filing date
UNION BANKSHARES CORP90539J109COM40,319$1,480,000thousands by filing date
MANITEX INTL INC563420108COMMON STOCK125,900$1,439,000thousands by filing date
JD.COM INC SPON ADS CL A47215P106ADR35,250$1,427,000thousands by filing date
OLD NATL BANCORP IND680033107COM83,655$1,414,000thousands by filing date
MOVADO GROUP INC COM624580106Stock35,800$1,375,000thousands by filing date
AXT INC00246W103COM188,040$1,363,000thousands by filing date
USA TECHNOLOGIES INC90328S500COM NO PAR147,400$1,327,000thousands by filing date
DATAWATCH CORP237917208COM NEW150,998$1,306,000thousands by filing date
RYMAN HOSPITALITY PPTYS INC COM78377T107REIT16,850$1,305,000thousands by filing date
51JOB INC316827104SPONSORED ADS15,000$1,291,000thousands by filing date
AMER STATES WTR CO COM029899101Stock24,190$1,284,000thousands by filing date
HERSHA HOSPITALITY TR427825500PR SHS BEN INT69,230$1,239,000thousands by filing date
VISHAY INTERTECHNOLOGY INC COM928298108Stock66,510$1,237,000thousands by filing date
SINA CORPG81477104ORD11,550$1,204,000thousands by filing date
REGIS CORP758932107COM79,100$1,197,000thousands by filing date
ASSOCIATED BANC-CORP045487105COM48,000$1,193,000thousands by filing date
WALKER&DUNLOPINC93148P102STOK19,766$1,174,000thousands by filing date
SIMMONS 1ST NATL CORP828730200CL A $1 PAR41,020$1,167,000thousands by filing date
AGCO CORP001084102COM17,760$1,152,000thousands by filing date
FIRST COMWLTH FINL CORP PA319829107COM81,185$1,147,000thousands by filing date
CENTRAL PAC FINL CORP154760409COM NEW40,210$1,144,000thousands by filing date
CHAMPION HOMES INC830830105COM50,603$1,113,000thousands by filing date
TACTILE SYSTEMS TECHNOLOGY I87357P100COMMON STOCK33,790$1,075,000thousands by filing date
FERRO CORP315405100COM45,600$1,059,000thousands by filing date
CENTURY COMMUNITIES INC.156504300COM34,700$1,039,000thousands by filing date
MATSON INC COM57686G105Stock36,050$1,032,000thousands by filing date
COMTECH TELECOMMUNICATIONS C205826209COM NEW34,200$1,022,000thousands by filing date
HURCO CO447324104COM22,000$1,010,000thousands by filing date
WOLVERINE WORLD WIDE INC978097103COM34,865$1,008,000thousands by filing date
STONERIDGE INC86183P102COMMON STOCK36,500$1,007,000thousands by filing date
ROSETTA STONE INC777780107COM75,300$990,000thousands by filing date
MOBILEIRON INC60739U204COM NEW200,000$990,000thousands by filing date
UNIFI INC904677200COM NEW26,260$952,000thousands by filing date
ALLIANCE ONE INTL INC018772301COM NEW36,300$946,000thousands by filing date
ACCURAY INC DEL004397105COM186,500$933,000thousands by filing date
VERICEL CORP92346J108COM93,800$933,000thousands by filing date
KOPPERS HOLDINGS INC50060P106COM22,200$912,000thousands by filing date
EDGIO INC53261M104COM211,100$868,000thousands by filing date
XENIA HOTELS & RESORTS INC COM984017103REIT42,440$837,000thousands by filing date
VOCERA COMMUNICATIONS INC92857F107COMMON STOCK35,300$827,000thousands by filing date
ENTERPRISE FINL SVCS CORP293712105COM17,600$825,000thousands by filing date
TETRA TECH INC NEW88162G103COM16,830$824,000thousands by filing date
VERITIV CORP923454102COM20,913$820,000thousands by filing date
ION GEOPHYSICAL CORP462044207COMMON STOCK30,225$819,000thousands by filing date
OIL STS INTL INC678026105COM31,239$818,000thousands by filing date
KADANT INC48282T104COM8,600$813,000thousands by filing date
JUNIPER PHARMACEUTICALS INC COM48203L107Stock80,000$812,000thousands by filing date
VERINT SYS INC92343X100COM18,930$806,000thousands by filing date
WABASH NATIONAL CORP929566107COMMON STOCK38,700$805,000thousands by filing date
ASURE SOFTWARE INC04649U102COMMON STOCK65,300$799,000thousands by filing date
CNO FINL GROUP INC12621E103COM36,380$788,000thousands by filing date
STERLING INFRASTRUCTURE INC COM859241101Stock68,300$783,000thousands by filing date
AMERESCO INC02361E108CL A60,008$780,000thousands by filing date
ATLAS AIR WORLDWIDE HOLDINGS I049164205COM NEW12,400$750,000thousands by filing date
CAMTEK LTD ORDM20791105Stock110,800$748,000thousands by filing date
ASTRONICS CORP COM046433108Stock20,000$746,000thousands by filing date
VISHAY PRECISION GROUP INC92835K103COM23,800$741,000thousands by filing date
CRAFT BREW ALLIANCE INC224122101COM39,000$725,000thousands by filing date
CHEESECAKE FACTORY INC163072101COM14,970$722,000thousands by filing date
LANTHEUS HLDGS INC516544103COM45,100$717,000thousands by filing date
TIMKEN CO887389104COM15,560$710,000thousands by filing date
BANDWIDTH INC05988J103COM CL A21,700$709,000thousands by filing date
FIRST AMERN FINL CORP31847R102COM11,980$703,000thousands by filing date
FIRST INTERNET BANCORP320557101COM18,850$697,000thousands by filing date
TITAN INTERNATIONAL INC88830M102COMMON STOCK55,000$694,000thousands by filing date
CITI TRENDS INC17306X102COMMON STOCK22,000$680,000thousands by filing date
KORN FERRY COM NEW500643200Stock13,120$677,000thousands by filing date
BEMIS INC081437105COM15,550$677,000thousands by filing date
BRUKER CORP116794108COM22,580$676,000thousands by filing date
MODINE MFG CO COM607828100Stock31,900$675,000thousands by filing date
ELECTRO SCIENTIFIC INDS285229100COM34,800$673,000thousands by filing date
RAYONIER ADVANCED MATLS INC75508B104COM31,166$669,000thousands by filing date
TIVITY HEALTH INC88870R102COM16,800$666,000thousands by filing date
INOVALON HLDGS INC45781D101COM CL A62,630$664,000thousands by filing date
RING ENERGY INC76680V108COMMON STOCK46,200$663,000thousands by filing date
VICOR CORP925815102COM23,100$660,000thousands by filing date
H&E EQUIPMENT SERVICES INC404030108COM17,000$654,000thousands by filing date
PAPA JOHNS INTL INC698813102COM11,400$653,000thousands by filing date
MARINEMAX INC567908108COM33,400$650,000thousands by filing date
TANGER INC875465106COM29,250$644,000thousands by filing date
PROASSURANCE CORP74267C106COM13,273$644,000thousands by filing date
Lincoln National Corporat524901105COM15,810$643,000thousands by filing date
CARPENTER TECHNOLOGY CORP144285103COM14,520$641,000thousands by filing date
SUPERIOR ENERGY SVCS INC868157108COM75,902$640,000thousands by filing date
WEIS MKTS INC COM948849104Stock15,450$633,000thousands by filing date
PORTLAND GEN ELEC CO736508847COM NEW15,550$630,000thousands by filing date
ROCKY BRANDS INC774515100COMMON STOCK29,200$626,000thousands by filing date
HANCOCK WHITNEY CORPORATION410120109COM12,090$625,000thousands by filing date
MORNINGSTAR INC COM617700109Stock6,470$618,000thousands by filing date
AEGION CORP00770F104COMMON STOCK26,680$611,000thousands by filing date
TWIN DISC INC901476101COMMON STOCK27,700$602,000thousands by filing date
ENSIGN GROUP INC29358P101COM22,360$588,000thousands by filing date
INTRICON CORP46121H109COM29,300$586,000thousands by filing date
PHYSICIANS REALTY TRUST71943U104COM37,531$584,000thousands by filing date
CORELOGIC INC21871D103COM12,630$571,000thousands by filing date
HERITAGE INSURANCE HLDGS INC42727J102COM37,220$564,000thousands by filing date
METHODE ELECTRONICS INC591520200COMMON STOCK14,420$564,000thousands by filing date
JPMorgan Chase & Co46625H100COM5,042$554,000thousands by filing date
SOUTHWEST GAS HLDGS INC COM844895102Stock8,130$550,000thousands by filing date
VASCO DATA SEC INTL INC92230Y104COM42,400$549,000thousands by filing date
MCBC HLDGS INC55276F107COM21,700$547,000thousands by filing date
LIFE STORAGE INC53223X107COM6,520$545,000thousands by filing date
HAWAIIAN HOLDINGS INC419879101COM13,900$538,000thousands by filing date
MB FINANCIAL INC55264U108COMMON STOCK13,038$528,000thousands by filing date
SECOO HLDG LTD81367P101ADR50,000$525,000thousands by filing date
FLOWERS FOODS INC COM343498101Stock22,710$496,000thousands by filing date
TOWER INTL INC891826109COM17,750$493,000thousands by filing date
FEDERAL SIGNAL CORP313855108COM22,210$489,000thousands by filing date
ALLIENT INC019330109COM12,300$489,000thousands by filing date
Apple Inc037833100COM2,878$483,000thousands by filing date
COUSINS PROPERTIES INC222795106COM55,468$481,000thousands by filing date
MURPHY USA INC COM626755102Stock6,580$479,000thousands by filing date
COOPER STANDARD HOLDING21676P103COMMON STOCK3,730$458,000thousands by filing date
BRISTOW GROUP INC110394103COM35,120$457,000thousands by filing date
Intel Corp458140100COM8,713$454,000thousands by filing date
LASALLE HOTEL PROPERTIES517942108COM15,600$453,000thousands by filing date
NEW JERSEY RES CORP646025106COM11,130$446,000thousands by filing date
PBF ENERGY INC69318G106CL A13,060$443,000thousands by filing date
FTI CONSULTING INC302941109COM9,010$436,000thousands by filing date
UMB FINL CORP902788108COM5,950$431,000thousands by filing date
HYSTER-YALE INC449172105CL A6,160$431,000thousands by filing date
STIFEL FINL CORP860630102COM7,010$415,000thousands by filing date
TRAVELERS COMPANIES INC COM89417E109Stock2,970$412,000thousands by filing date
ECHO GLOBAL LOGISTICS INC27875T101COM14,800$408,000thousands by filing date
RADIAN GROUP INC COM750236101Stock21,150$403,000thousands by filing date
LINDSAY CORPORATION535555106COM4,330$396,000thousands by filing date
SM ENERGY COMPANY COM78454L100Stock21,480$387,000thousands by filing date
FULTON FINL CORP PA360271100COM21,771$386,000thousands by filing date
CACI INTL INC CL A127190304Stock2,520$381,000thousands by filing date
COMMERCIAL METALS CO COM201723103Stock18,590$380,000thousands by filing date
ETHAN ALLEN INTERIORS INC297602104COM15,900$365,000thousands by filing date
INFINERA CORP45667G103COMMON STOCK33,200$361,000thousands by filing date
MasterCard, Inc57636Q104COM2,010$352,000thousands by filing date
Microsoft Corp594918104COM3,820$349,000thousands by filing date
DYNEX CAP INC26817Q506COM NEW52,280$347,000thousands by filing date
NATIONAL HEALTH INVS INC COM63633D104REIT4,950$333,000thousands by filing date
Johnson & Johnson478160104COM2,559$328,000thousands by filing date
NETEASE COM INC SPONSORED ADS64110W102ADR1,130$317,000thousands by filing date
COOPER TIRE & RUBR CO216831107COM10,780$316,000thousands by filing date
KAISER ALUMINUM CORP483007704COM PAR $0.013,120$315,000thousands by filing date
SYNAPTICS INC COM87157D109Stock6,800$311,000thousands by filing date
CPI AEROSTRUCTURES INC125919308COM NEW31,400$306,000thousands by filing date
INTERDIGITAL INC COM45867G101Stock3,880$286,000thousands by filing date
ESTERLINE TECHNOLOGIES CORP297425100COM3,900$285,000thousands by filing date
Amgen Inc.031162100COM1,649$281,000thousands by filing date
SPIRIT AIRLS INC848577102COM7,000$264,000thousands by filing date
BANK OF NY MELLON CORP COM064058100Stock4,834$249,000thousands by filing date
Walmart Inc.931142103COM2,790$248,000thousands by filing date
SCIENCE APPLICATIONS INTL CORP COM808625107Stock3,135$247,000thousands by filing date
EXPRESS INC30219E103COMMON STOCK34,310$246,000thousands by filing date
PENSKE AUTOMOTIVE GRP INC COM70959W103Stock5,520$245,000thousands by filing date
NEWMONT CORP651639106COM6,241$244,000thousands by filing date
XENCOR INC98401F105COMMON STOCK8,100$243,000thousands by filing date
FIREEYE INC31816Q101COM13,810$234,000thousands by filing date
Gulfport Energy402635304COM23,900$231,000thousands by filing date
ALMOST FAMILY INC020409108COM4,000$224,000thousands by filing date
ARENA PHARMACEUTICALS INC040047607COM NEW5,600$221,000thousands by filing date
ONE STOP SYSTEMS INC68247W109COMMON STOCK50,000$220,000thousands by filing date
GEO GROUP INC NEW36162J106COM10,600$217,000thousands by filing date
XPRESSPA GROUP INC98420U109COM261,000$188,000thousands by filing date
VONAGE HLDGS CORP92886T201COM17,200$183,000thousands by filing date
SPROTT ASSET MANAGEMENT LP85208R101PHYSICAL GOLD AN11,800$156,000thousands by filing date
EZCORP INC302301106CL A NON VTG10,800$143,000thousands by filing date
BIOCRYST PHARMACEUTICALS INC COM09058V103Stock24,000$114,000thousands by filing date
PROGENICS PHARMACEUTICALS IN743187106COM14,000$104,000thousands by filing date
Xenacare Hldgs, Inc.98401A106COM140,000$0thousands by filing dateValue filed as zero, left out of ratios.
AVATAR VENTURES CORP05350B100COMMON STOCK10,000$0thousands by filing dateValue filed as zero, left out of ratios.
Titan Oil & Gas Inc New888309101COM10,000$0thousands by filing dateValue filed as zero, left out of ratios.
AMERICAN POWER ORD02906T107COM10,000$0thousands by filing dateValue filed as zero, left out of ratios.

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001144204-18-028598this filing2018-05-15acceptance time not in the bulk data set