Skip to content

13F-HR filed by OBERWEIS ASSET MANAGEMENT INC/

OBERWEIS ASSET MANAGEMENT INC/ filed this 13F-HR for the quarter ended 2019-03-31, filed 2019-05-15, with 201 holding rows worth $498,029,000.

Accession
0001144204-19-026377
Filed
2019-05-15
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q1 2019

A holdings report, 201 entries on the cover page, a total value of $498,029,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $498,029,000 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
NOMAD FOODS LTD USD ORD SHSG6564A105Stock2,827,798$57,828,000thousands by filing date
ARGENX SE SPONSORED ADR04016X101ADR307,000$38,326,000thousands by filing date
MELLANOX TECHNOLOGIES LTDM51363113COMMON STOCK285,590$33,802,000thousands by filing date
GW PHARMACEUTICALS PLC36197T103ADS193,900$32,686,000thousands by filing date
CANADA GOOSE HLDGS INC SHS SUB VTG135086106Stock275,850$13,246,000thousands by filing date
TANDEM DIABETES CARE INC875372203COM NEW191,120$12,136,000thousands by filing date
DMC GLOBAL INC23291C103COM215,227$10,684,000thousands by filing date
SKYWEST INC COM830879102Stock162,457$8,820,000thousands by filing date
BIOTELEMETRY INC090672106COM140,180$8,778,000thousands by filing date
VERICEL CORP92346J108COM500,670$8,767,000thousands by filing date
HMS HLDGS CORP40425J101COM273,750$8,106,000thousands by filing date
CHAMPION HOMES INC830830105COM416,573$7,915,000thousands by filing date
AVANTAX INC095229100COMMON STOCK234,154$7,816,000thousands by filing date
MALIBU BOATS INC A56117J100COMMON STOCK185,308$7,334,000thousands by filing date
UPLAND SOFTWARE INC91544A109COMMON STOCK162,390$6,879,000thousands by filing date
ALIBABA GROUP HLDG LTD01609W102SPONSORED ADS36,555$6,669,000thousands by filing date
CARBONITE INC141337105COM268,154$6,653,000thousands by filing date
DECKERS OUTDOOR CORP243537107COM45,210$6,645,000thousands by filing date
VICOR CORP925815102COM212,670$6,597,000thousands by filing date
CAREDX INC14167L103COM209,210$6,594,000thousands by filing date
CABOT MICROELECTRONICS CORP12709P103COM51,960$5,817,000thousands by filing date
CORNERSTONE ONDEMAND INC COM21925Y103Stock103,680$5,680,000thousands by filing date
LIGAND PHARMACEUTICALS INC53220K504COM NEW44,649$5,613,000thousands by filing date
ATRICURE INC04963C209COM203,410$5,449,000thousands by filing date
TACTILE SYSTEMS TECHNOLOGY I87357P100COMMON STOCK101,720$5,363,000thousands by filing date
TREX CO INC89531P105COM85,710$5,273,000thousands by filing date
GREEN DOT CORP CLASS A39304D102CL A85,460$5,183,000thousands by filing date
CYBERARK SOFTWARE LTD SHSM2682V108Stock42,170$5,020,000thousands by filing date
BANDWIDTH INC05988J103COM CL A72,970$4,886,000thousands by filing date
STAAR SURGICAL CO COM PAR $0.01852312305Stock140,620$4,808,000thousands by filing date
MOBILEIRON INC60739U204COM NEW858,480$4,696,000thousands by filing date
IRHYTHM HOLDINGS INC COM450056106Stock60,710$4,551,000thousands by filing date
MONOLITHIC PWR SYS INC COM609839105Stock30,878$4,184,000thousands by filing date
ENVESTNET INC29404K106COM62,790$4,106,000thousands by filing date
ELDORADO RESORTS INC28470R102COM86,363$4,032,000thousands by filing date
COLUMBUS MCKINNON CORP NY199333105COMMON STOCK103,453$3,554,000thousands by filing date
CAREER EDUCATION CORP141665109COM147,179$2,431,000thousands by filing date
QUANTENNA COMMUNICATIONS INC74766D100COM95,900$2,333,000thousands by filing date
NEW ORIENTAL EDUCATION & TECHN647581107SPON ADR24,000$2,162,000thousands by filing date
MOMO INC60879B107ADR50,730$1,940,000thousands by filing date
MITEK SYS INC606710200COM NEW158,000$1,934,000thousands by filing date
GDS HLDGS LTD SPONSORED ADS36165L108ADR54,161$1,933,000thousands by filing date
KNOWLES CORP COM49926D109Stock107,300$1,892,000thousands by filing date
CENTERSTATE BK CORP15201P109COM78,146$1,861,000thousands by filing date
FEDERAL SIGNAL CORP313855108COM69,510$1,807,000thousands by filing date
ROSETTA STONE INC777780107COM82,700$1,807,000thousands by filing date
MESA AIR GROUP INC590479135COM NEW216,500$1,806,000thousands by filing date
TAL ED GROUP SPONSORED ADS874080104ADR50,000$1,804,000thousands by filing date
MASTERCRAFT BOAT HOLDINGS IN57637H103COMMON STOCK71,000$1,602,000thousands by filing date
CTRIP COM INTL LTD22943F100AMERICAN DEP SHS35,000$1,529,000thousands by filing date
CARDTRONICS PLCG1991C105COMMON STOCK-FO42,900$1,526,000thousands by filing date
SOLARIS ENERGY INFRAS INC COM CL A83418M103Stock88,800$1,460,000thousands by filing date
AMERESCO INC02361E108CL A87,008$1,408,000thousands by filing date
BENCHMARK ELECTRS INC COM08160H101Stock52,840$1,387,000thousands by filing date
HERC HLDGS INC COM42704L104Stock34,900$1,360,000thousands by filing date
ONESPAN INC68287N100COM69,350$1,333,000thousands by filing date
PORTLAND GEN ELEC CO736508847COM NEW25,250$1,309,000thousands by filing date
VERINT SYS INC92343X100COM20,930$1,253,000thousands by filing date
MONOTYPE IMAGING HOLDINGS, INC61022P100COM61,300$1,219,000thousands by filing date
OLD NATL BANCORP IND680033107COM74,115$1,215,000thousands by filing date
MCGRATH RENTCORP580589109COM21,200$1,199,000thousands by filing date
RUSH ENTERPRISES INC CL A781846209Stock28,400$1,187,000thousands by filing date
PHYSICIANS REALTY TRUST71943U104COM63,031$1,186,000thousands by filing date
BOOT BARN HLDGS INC099406100COM40,000$1,178,000thousands by filing date
MODEL N INC607525102COM67,000$1,175,000thousands by filing date
WILLIAMS SONOMA INC COM969904101Stock20,830$1,172,000thousands by filing date
BAOZUN INC ADR06684L103SPONSORED ADR28,000$1,163,000thousands by filing date
K12 INC48273U102COM33,268$1,135,000thousands by filing date
AUDIOCODES LTDM15342104ORD81,900$1,133,000thousands by filing date
CENTRAL PAC FINL CORP154760409COM NEW39,100$1,128,000thousands by filing date
ARTIVION INC228903100COM38,344$1,118,000thousands by filing date
NETEASE COM INC SPONSORED ADS64110W102ADR4,430$1,070,000thousands by filing date
CLARUS CORP NEW18270P109COM83,500$1,070,000thousands by filing date
PYXUS INTL INC74737V106COM44,700$1,068,000thousands by filing date
SPY78462F103SHS3,751$1,060,000thousands by filing date
ASSOCIATED BANC-CORP045487105COM49,540$1,058,000thousands by filing date
TELARIA INC879181105COM166,800$1,058,000thousands by filing date
ACCURAY INC DEL004397105COM216,400$1,032,000thousands by filing date
VERACYTE INC COM92337F107Stock39,500$988,000thousands by filing date
Gulfport Energy402635304COM121,900$978,000thousands by filing date
SIMMONS 1ST NATL CORP828730200CL A $1 PAR39,230$960,000thousands by filing date
MATERION CORP576690101COM16,800$959,000thousands by filing date
TRIUMPH GROUP INC NEW896818101COM49,240$939,000thousands by filing date
AMERICAN WOODMARK CORP030506109COM11,300$934,000thousands by filing date
RYMAN HOSPITALITY PPTYS INC COM78377T107REIT11,350$933,000thousands by filing date
NEW JERSEY RES CORP646025106COM18,630$928,000thousands by filing date
VAREX IMAGING CORP92214X106COMMON STOCK27,000$915,000thousands by filing date
OSHKOSH CORP COM688239201Stock12,140$912,000thousands by filing date
CAMTEK LTD ORDM20791105Stock100,800$899,000thousands by filing date
SOUTHWEST GAS HLDGS INC COM844895102Stock10,830$891,000thousands by filing date
PIXELWORKS INC72581M305COM NEW225,156$883,000thousands by filing date
COMTECH TELECOMMUNICATIONS C205826209COM NEW36,100$838,000thousands by filing date
NEOGENOMICS INC64049M209COM NEW40,600$831,000thousands by filing date
HERSHA HOSPITALITY TR427825500PR SHS BEN INT47,820$820,000thousands by filing date
CACI INTL INC CL A127190304Stock4,460$812,000thousands by filing date
DIGI INTL INC253798102COM64,000$811,000thousands by filing date
AMERICAS CAR-MART INC03062T105COM8,600$786,000thousands by filing date
W & T OFFSHORE INC92922P106COM113,600$784,000thousands by filing date
HANCOCK WHITNEY CORPORATION410120109COM19,390$783,000thousands by filing date
EHEALTH INC28238P109COM12,500$779,000thousands by filing date
ON DECK CAP INC682163100COM141,300$766,000thousands by filing date
TOWER INTL INC891826109COM36,180$761,000thousands by filing date
FIRST COMWLTH FINL CORP PA319829107COM60,300$760,000thousands by filing date
VISHAY INTERTECHNOLOGY INC COM928298108Stock41,050$758,000thousands by filing date
COUSINS PROPERTIES INC222795106COM78,168$755,000thousands by filing date
TIMKEN CO887389104COM17,190$750,000thousands by filing date
WOLVERINE WORLD WIDE INC978097103COM20,745$741,000thousands by filing date
TD SYNNEX CORPORATION COM87162W100Stock7,659$731,000thousands by filing date
VISHAY PRECISION GROUP INC92835K103COM20,900$715,000thousands by filing date
HOPE BANCORP INC43940T109COM54,400$712,000thousands by filing date
ENTERPRISE FINL SVCS CORP293712105COM17,200$701,000thousands by filing date
SANMINA CORP COM801056102Stock24,200$698,000thousands by filing date
ALLIENT INC019330109COM20,100$691,000thousands by filing date
LANTHEUS HLDGS INC516544103COM28,000$685,000thousands by filing date
AGCO CORP001084102COM9,855$685,000thousands by filing date
MASTEC INC COM576323109Stock14,140$680,000thousands by filing date
BRIDGEPOINT EDUCATION INC10807M105COM109,071$666,000thousands by filing date
NEXTGEN HEALTHCARE INC65343C102COMMON STOCK39,400$663,000thousands by filing date
MATSON INC COM57686G105Stock18,310$661,000thousands by filing date
AMC ENTMT HLDGS INC00165C104CL A COM43,868$651,000thousands by filing date
STIFEL FINL CORP860630102COM12,320$650,000thousands by filing date
CNO FINL GROUP INC12621E103COM39,030$632,000thousands by filing date
ORITANI FINANCIAL CORP68633D103COM37,120$617,000thousands by filing date
DUCOMMUN INC DEL264147109COM14,150$616,000thousands by filing date
TETRA TECH INC NEW88162G103COM10,330$616,000thousands by filing date
TIVO CORP88870P106COM65,158$607,000thousands by filing date
RADIAN GROUP INC COM750236101Stock28,660$594,000thousands by filing date
HERITAGE INSURANCE HLDGS INC42727J102COM40,313$589,000thousands by filing date
HERITAGE CRYSTAL CLEAN INC42726M106COM21,101$579,000thousands by filing date
NATIONAL HEALTH INVS INC COM63633D104REIT7,340$577,000thousands by filing date
NWPX INFRASTRUCTURE INC667746101COM22,800$547,000thousands by filing date
FULTON FINL CORP PA360271100COM35,300$546,000thousands by filing date
TANGER INC875465106COM25,910$544,000thousands by filing date
SOUTHERN NATL BANCORP OF VA843395104COM36,800$539,000thousands by filing date
AIRGAIN INC00938A104COM41,900$538,000thousands by filing date
EAGLE BANCORPORATION INC268948106COM10,700$537,000thousands by filing date
ASCENT INDUSTRIES CO871565107COM35,000$532,000thousands by filing date
PLANTRONICS INC NEW727493108COM11,200$516,000thousands by filing date
WALKER&DUNLOPINC93148P102STOK9,986$508,000thousands by filing date
CARPENTER TECHNOLOGY CORP144285103COM11,000$504,000thousands by filing date
DANA INC235825205COM28,180$500,000thousands by filing date
Apple Inc037833100COM2,610$496,000thousands by filing date
JPMorgan Chase & Co46625H100COM4,809$487,000thousands by filing date
O-I GLASS, INC.690768403COM25,600$486,000thousands by filing date
XENIA HOTELS & RESORTS INC COM984017103REIT21,760$477,000thousands by filing date
CHAMPIONS ONCOLOGY INC15870P307COM NEW48,033$470,000thousands by filing date
PEDIATRIX MEDICAL GROUP INC58502B106COM16,465$447,000thousands by filing date
MasterCard, Inc57636Q104COM1,893$446,000thousands by filing date
Microsoft Corp594918104COM3,770$445,000thousands by filing date
BRIGGS & STRATTON CORP109043109COM37,600$445,000thousands by filing date
ENVIRI CORP415864107COM22,000$444,000thousands by filing date
Intel Corp458140100COM7,870$423,000thousands by filing date
BRUKER CORP116794108COM10,730$412,000thousands by filing date
ARENA PHARMACEUTICALS INC040047607COM NEW9,100$408,000thousands by filing date
TRAVELERS COMPANIES INC COM89417E109Stock2,881$395,000thousands by filing date
KORN FERRY COM NEW500643200Stock8,680$389,000thousands by filing date
KAISER ALUMINUM CORP483007704COM PAR $0.013,715$389,000thousands by filing date
Johnson & Johnson478160104COM2,739$383,000thousands by filing date
DYNEX CAP INC26817Q506COM NEW58,780$358,000thousands by filing date
SPIRIT AIRLS INC848577102COM6,600$349,000thousands by filing date
BIG LOTS INC089302103COM8,800$335,000thousands by filing date
WORTHINGTON ENTERPRISES INC981811102COM8,840$330,000thousands by filing date
CNX RES CORP COM12653C108Stock30,366$327,000thousands by filing date
CYRUSONE INC23283R100COM5,900$309,000thousands by filing date
PBF ENERGY INC69318G106CL A9,900$308,000thousands by filing date
Amgen Inc.031162100COM1,581$300,000thousands by filing date
U S SILICA HLDGS INC90346E103COM17,109$297,000thousands by filing date
PREMIER INC74051N102CL A8,300$286,000thousands by filing date
BELDEN INC COM077454106Stock5,300$285,000thousands by filing date
Flushing Financial Corp343873105Common Stock13,000$285,000thousands by filing date
LOGMEIN INC54142L109COMMON STOCK3,500$280,000thousands by filing date
Pareteum Corporation69946T207COM61,300$279,000thousands by filing date
GROUP 1 AUTOMOTIVE INC COM398905109Stock4,300$278,000thousands by filing date
PLEXUS CORP COM729132100Stock4,500$274,000thousands by filing date
SYNAPTICS INC COM87157D109Stock6,900$274,000thousands by filing date
NAPCO SEC TECHNOLOGIES INC COM630402105Stock13,137$272,000thousands by filing date
GRAPHIC PACKAGING HLDG CO COM388689101Stock21,000$265,000thousands by filing date
AIR TRANSPORT SERVICES GRP I00922R105COM11,500$265,000thousands by filing date
CLEAN HARBORS INC COM184496107Stock3,600$258,000thousands by filing date
CARS COM INC14575E105COM11,300$258,000thousands by filing date
QUANEX BLDG PRODS CORP COM747619104Stock16,100$256,000thousands by filing date
XENCOR INC98401F105COMMON STOCK8,100$252,000thousands by filing date
Walmart Inc.931142103COM2,539$248,000thousands by filing date
UNIFIRST CORP MASS904708104COM1,600$246,000thousands by filing date
BANK OF NY MELLON CORP COM064058100Stock4,838$244,000thousands by filing date
MURPHY USA INC COM626755102Stock2,800$240,000thousands by filing date
CORELOGIC INC21871D103COM6,330$236,000thousands by filing date
NEWMONT CORP651639106COM6,262$224,000thousands by filing date
BHP BILLITON LIMITED SPONSORED ADS088606108ADR4,051$221,000thousands by filing date
EPLUS INC294268107COM2,500$221,000thousands by filing date
ALTAIR ENGINEERING INC021369103COMMON STOCK5,900$217,000thousands by filing date
TEREX CORP NEW COM880779103Stock6,700$215,000thousands by filing date
Verizon Communications Inc92343V104COM3,500$207,000thousands by filing date
WRIGHT MED GROUP N VN96617118ORD SHS6,500$204,000thousands by filing date
Uxin Ltd91818X108ADS50,000$190,000thousands by filing date
SPROTT ASSET MANAGEMENT LP85208R101PHYSICAL GOLD AN10,000$124,000thousands by filing date
ARLO TECHNOLOGIES INC04206A101COMMON STOCK22,198$92,000thousands 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 0001144204-19-026377this filing2019-05-15acceptance time not in the bulk data set