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13F-HR filed by Portolan Capital Management, LLC

Portolan Capital Management, LLC filed this 13F-HR for the quarter ended 2018-03-31, filed 2018-05-14, with 100 holding rows worth $912,921,000.

Accession
0001104659-18-032940
Filed
2018-05-14
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, 100 entries on the cover page, a total value of $912,921,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $912,922,000 with VALUE read as thousands by filing date, 13F file number 028-11602. 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
CARBONITE INC141337105COM1,377,671$39,677,000thousands by filing date
BOINGO WIRELESS INC09739C102COM1,173,421$29,066,000thousands by filing date
NUTANIX INC CL A67059N108Stock579,772$28,473,000thousands by filing date
CARE COM INC141633107COM1,739,121$28,295,000thousands by filing date
SLM CORP COM78442P106Stock2,372,420$26,595,000thousands by filing date
AARONS INC002535300COM PAR $0.50525,862$24,505,000thousands by filing date
HORTONWORKS INC440894103COM1,115,379$22,720,000thousands by filing date
Whiting Petroleum Corpora966387409COM NEW617,086$20,882,000thousands by filing date
SKECHERS U S A INC830566105CL A523,319$20,352,000thousands by filing date
DASEKE INC23753F107COM2,058,284$20,151,000thousands by filing date
APPTIO INC03835C108CL A691,464$19,596,000thousands by filing date
EBIX INC278715206COM NEW251,264$18,719,000thousands by filing date
BOX INC CL A10316T104Stock909,384$18,688,000thousands by filing date
STAMPS COM INC852857200COM NEW88,371$17,767,000thousands by filing date
CASELLA WASTE SYS INC147448104CL A723,294$16,911,000thousands by filing date
PRIMO WTR CORP74165N105COM1,435,543$16,810,000thousands by filing date
GODADDY INC CL A380237107Stock248,201$15,245,000thousands by filing date
ON DECK CAP INC682163100COM2,705,881$15,126,000thousands by filing date
EURONET WORLDWIDE INC COM298736109Stock183,338$14,469,000thousands by filing date
RAPID7 INC COM753422104Stock564,063$14,423,000thousands by filing date
ABRAXAS PETROLEUM CORP003830106COM6,427,781$14,270,000thousands by filing date
BIO RAD LABS INC090572207CL A56,210$14,057,000thousands by filing date
UNIVAR INC91336L107COMMON STOCK488,122$13,545,000thousands by filing date
QAD INC-A74727D306CL A322,693$13,440,000thousands by filing date
CALAVO GROWERS INC128246105COM143,472$13,228,000thousands by filing date
KEMET CORP488360207COM NEW719,260$13,040,000thousands by filing date
Alphabet Inc. Reg. Shares C02079K107COM12,603$13,004,000thousands by filing date
EXTRACTION OIL AND GAS INC30227M105COM1,076,108$12,332,000thousands by filing date
INTERNAP CORPORATION45885A409COMMON STOCK1,119,376$12,313,000thousands by filing date
COVENANT LOGISTICS GROUP INC22284P105CL A404,100$12,054,000thousands by filing date
MATCH GROUP INC57665R106COM266,063$11,824,000thousands by filing date
USA TRUCK INC902925106COM442,209$11,272,000thousands by filing date
WESTROCK CO96145D105COM174,454$11,195,000thousands by filing date
QUANTUM CORP747906501COM2,680,631$9,757,000thousands by filing date
PITNEY BOWES INC COM724479100Stock887,310$9,663,000thousands by filing date
VOYA FINANCIAL INC COM929089100Stock191,329$9,662,000thousands by filing date
CAMBREX CORP132011107COM181,133$9,473,000thousands by filing date
COTT CORP QUE22163N106COM621,006$9,141,000thousands by filing date
META PLATFORMS INC CL A30303M102COM55,601$8,884,000thousands by filing date
SYSTEMAX INC871851101COM305,870$8,733,000thousands by filing date
COOPER STANDARD HOLDING21676P103COMMON STOCK70,677$8,680,000thousands by filing date
NOMAD FOODS LTD USD ORD SHSG6564A105Stock551,054$8,674,000thousands by filing date
LKQ CORP COM501889208Stock224,897$8,535,000thousands by filing date
CONNS INC208242107COM250,977$8,533,000thousands by filing date
CENTRAL GARDEN PET CO153527106COMMON STOCK188,730$8,115,000thousands by filing date
KNIGHT-SWIFT TRANSN HLDGS IN499049104CL A172,303$7,928,000thousands by filing date
MARTEN TRANSPORT LTD573075108COM329,092$7,503,000thousands by filing date
FARMER BROS CO307675108COM246,165$7,434,000thousands by filing date
LIBERTY INTERACTIVE CORP53071M104INT COM SER A291,126$7,328,000thousands by filing date
EVERBRIDGE INC29978A104COM196,511$7,192,000thousands by filing date
QUALYS INC COM74758T303Stock97,258$7,076,000thousands by filing date
REALPAGE INC75606N109COM137,361$7,074,000thousands by filing date
Attunity LtdM15332121SHS NEW930,919$6,982,000thousands by filing date
DAUCH CORP024061103COM435,523$6,629,000thousands by filing date
AXONENTERPRISEINC05464C101STOK168,218$6,613,000thousands by filing date
ORION S.A.L72967109COM225,499$6,111,000thousands by filing date
RED LION HOTELS CORP756764106COM598,208$5,833,000thousands by filing date
RAYONIER ADVANCED MATLS INC75508B104COM270,831$5,815,000thousands by filing date
ZIFF DAVIS INC48123V102COM68,527$5,408,000thousands by filing date
U.S. AUTO PARTS NETWORK INC90343C100COM2,532,892$5,192,000thousands by filing date
NUANCE COMMUNICATIONS INC67020Y100COM329,407$5,188,000thousands by filing date
FIFTH THIRD BANCORP COM316773100Stock157,994$5,016,000thousands by filing date
UNISYS CORP909214306COMMON STOCK439,856$4,728,000thousands by filing date
TUESDAY MORNING CORP899035505COM NEW1,188,941$4,696,000thousands by filing date
RESOLUTE ENERGY CORP76116A306COM NEW134,807$4,671,000thousands by filing date
AXT INC00246W103COM639,561$4,637,000thousands by filing date
VIRTUSA CORP92827P102COM92,997$4,507,000thousands by filing date
CLEVELAND-CLIFFS INC NEW COM185899101Stock602,377$4,187,000thousands by filing date
EARTHSTONE ENERGY INC27032D304COMMON STOCK413,655$4,186,000thousands by filing date
FABRINET SHSG3323L100Stock130,880$4,107,000thousands by filing date
FIESTA RESTAURANT GROUP INC31660B101COM216,571$4,007,000thousands by filing date
GREEN PLAINS INC393222104COM235,225$3,952,000thousands by filing date
UPLAND SOFTWARE INC91544A109COMMON STOCK136,977$3,944,000thousands by filing date
TWILIO INC CL A90138F102Stock103,076$3,935,000thousands by filing date
PREFERRED BK LOS ANGELES CA740367404COM NEW55,480$3,562,000thousands by filing date
PETIQ INC71639T106COMMON STOCK132,443$3,523,000thousands by filing date
INSTRUCTURE INC45781U103COM70,390$2,967,000thousands by filing date
SPORTSMANS WHSE HLDGS INC84920Y106COM717,511$2,927,000thousands by filing date
HUDSON TECHNOLOGIES INC444144109COMMON STOCK587,409$2,902,000thousands by filing date
ANIKA THERAPEUTICS INC035255108COM57,932$2,880,000thousands by filing date
NEVRO CORP64157F103COM33,109$2,870,000thousands by filing date
PENSARE ACQUISITION CORP70957E204UNIT 07/27/2022275,066$2,858,000thousands by filing date
EMCORE CORP290846203COM445,698$2,540,000thousands by filing date
WIX COM LTD SHSM98068105Stock29,889$2,378,000thousands by filing date
ABIOMED INC003654100COM7,199$2,095,000thousands by filing date
HUNT J B TRANS SVCS INC COM445658107Stock17,419$2,041,000thousands by filing date
KAPSTONE PAPER AND PACKAGING C48562P103COM52,881$1,814,000thousands by filing date
COSTAMARE INCY1771G102SHS268,027$1,672,000thousands by filing date
ALCOA CORP COM013872106Stock36,457$1,639,000thousands by filing date
AVADEL PHARMACEUTICALS, PLC05337M104COMMON STOCK-FO210,012$1,531,000thousands by filing date
PACKAGING CORP AMER COM695156109Stock12,608$1,421,000thousands by filing date
VIASAT INC92552V100COM19,393$1,275,000thousands by filing date
GENESCO INC371532102COM29,855$1,212,000thousands by filing date
KVH INDS INC482738101COM113,842$1,178,000thousands by filing date
LENDINGTREE INC52603B107COM2,393$785,000thousands by filing date
PAYPALHLDGSINC70450Y103STOK9,812$744,000thousands by filing date
RINGCENTRAL INC76680R206CL A11,222$713,000thousands by filing date
MACOM TECH SOLUTIONS HLDGS INC COM55405Y100Stock35,525$590,000thousands by filing date
CARROLS RESTAURANT GROUP INC14574X104COM51,431$576,000thousands by filing date
RH74967X103COM4,784$456,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001104659-18-032940this filing2018-05-14acceptance time not in the bulk data set