Largest Nasdaq Short Interest Percent Increases as of March 15

The following are the 200 largest short interest percent increases on the Nasdaq Stock Market as of the March 15 settlement date. This list includes securities with a short position of at least 200,000 shares.



Ticker                                                                     
Symbol   Company                        March 15      Feb. 28      % Change   
=============================================================================
YAVY     YADKIN VALLEY FI               555,778       243,774       128.0
INDY     ISHARES S&P IND                455,276       223,004       104.2
FLIR     FLIR SYSTEMS                 4,197,067     2,173,249        93.1
ROVI     ROVI CORP                    1,626,022       860,293        89.0
VOD      VODAFONE GRP-ADR             9,362,656     5,241,841        78.6
MEMP     MEMORIAL PRODUCT               386,129       216,235        78.6
PWRD     PERFECT WORL-ADR               379,249       214,033        77.2
ARWR     ARROWHEAD RESEAR               664,896       382,698        73.7
BCOR     BLUCORA INC                  4,882,828     2,877,905        69.7
YNDX     YANDEX NV-A                  3,824,028     2,265,991        68.8
ORIG     OCEAN RIG UDW IN               516,684       306,276        68.7
AFFY     AFFYMAX INC                 13,333,287     7,923,275        68.3
HBIO     HARVARD BIOSCIEN               887,954       533,795        66.3
AVGO     AVAGO TECHNOLOGI             2,298,716     1,386,935        65.7
AKAM     AKAMAI TECHNOLOG            15,600,168     9,665,003        61.4
NWS      NEWS CORP-B                  7,840,948     4,870,017        61.0
HPTX     HYPERION THERAPE               732,049       455,490        60.7
SRPT     SAREPTA THERAPEU             6,794,424     4,420,198        53.7
UTHR     UNITED THERAPEUT             6,017,462     3,942,728        52.6
HBAN     HUNTINGTON BANC             17,021,867    11,359,907        49.8
GRPN     GROUPON INC                 40,492,472    27,514,056        47.2
AVAV     AEROVIRONMENT IN             1,357,373       925,022        46.7
SABA     SABA SOFTWARE                1,140,463       790,707        44.2
PRAN     PRANA BIOTEC-ADR               442,469       308,379        43.5
HA       HAWAIIAN HOLDING             7,245,030     5,070,319        42.9
MMLP     MARTIN MIDSTREAM               328,827       230,733        42.5
CLMT     CALUMET SPECIALT               797,622       561,921        41.9
RVLT     REVOLUTION LIGHT               677,683       477,555        41.9
LNCO     LINN CO LLC                  5,661,935     4,024,544        40.7
ACAS     AMERICAN CAPITAL             4,583,513     3,265,215        40.4
BEAV     B/E AEROSPACE IN             1,178,796       841,751        40.0
ADSK     AUTODESK INC                 3,148,582     2,248,938        40.0
RFMD     RF MICRO DEVICES            18,127,888    12,970,633        39.8
KRFT     KRAFT FOODS GROU             7,108,843     5,090,093        39.7
PZZA     PAPA JOHN'S INTL               599,122       429,150        39.6
CGEN     COMPUGEN LTD                   664,499       477,201        39.2
AAXJ     ISHAR ASIA EX-JP               528,444       383,978        37.6
ARII     AMERICAN RAILCAR               723,550       528,607        36.9
LBTYA    LIBERTY GLOBAL-A            26,189,434    19,199,449        36.4
OXBT     OXYGEN BIOTHERAP               285,933       211,190        35.4
LBTYK    LIBERTY GLOBAL-C            12,141,700     8,982,811        35.2
PLUG     PLUG POWER INC               2,037,047     1,507,371        35.1
OPXA     OPEXA THERAPEUTI               464,958       344,517        35.0
MPEL     MELCO CROWN-ADR              7,330,917     5,447,082        34.6
CY       CYPRESS SEMICON              9,932,602     7,404,320        34.1
SHOO     STEVEN MADDEN                1,354,418     1,016,404        33.3
DELL     DELL INC                    38,466,855    28,964,171        32.8
NUVA     NUVASIVE INC                 2,100,599     1,584,552        32.6
IMI      INTERMOLECULAR I               530,716       402,996        31.7
CIMT     CIMATRON LTD                   336,847       256,115        31.5
PTX      PERNIX THERAPEUT               325,755       247,827        31.4
BCOV     BRIGHTCOVE                   1,510,767     1,155,099        30.8
NVDA     NVIDIA CORP                 21,608,729    16,533,989        30.7
KEYW     KEYW HOLDING COR             4,253,103     3,270,771        30.0
NXST     NEXSTAR BROADC-A               341,650       264,344        29.2
MSTR     MICROSTRATEGY                  420,947       325,888        29.2
PPC      PILGRIM'S PRIDE              4,619,685     3,601,699        28.3
ALLT     ALLOT COMMUNICAT             1,314,895     1,032,200        27.4
PFPT     PROOFPOINT INC                 640,535       503,256        27.3
COOL     MAJESCO ENTERTAI               509,641       400,887        27.1
MTGE     AMERICAN CAPITAL               990,251       780,416        26.9
MCBC     MACATAWA BANK                  753,130       594,071        26.8
GOLD     RANDGOLD RES-ADR               865,490       682,983        26.7
UBSH     UNION FIRST MARK               633,170       499,680        26.7
CFNL     CARDINAL FINL CP               638,161       504,601        26.5
STLD     STEEL DYNAMICS               7,564,945     5,986,090        26.4
DXLG     DESTINATION XL G             2,132,618     1,690,513        26.2
DISCA    DISCOVERY COMM-A            11,794,230     9,362,054        26.0
WEN      WENDY'S CO/THE              23,204,196    18,438,219        25.8
CTSH     COGNIZANT TECH-A             3,011,813     2,399,968        25.5
SAVE     SPIRIT AIRLINES              1,340,787     1,069,124        25.4
HUBG     HUB GROUP-A                  1,159,183       926,502        25.1
MNKD     MANNKIND CORP               40,096,925    32,125,206        24.8
NUAN     NUANCE COMMUNICA            24,259,634    19,492,312        24.5
NDSN     NORDSON CORP                   655,213       526,456        24.5
STAN     STANDARD PARKING               389,191       312,912        24.4
MOVE     MOVE INC                       880,676       708,379        24.3
ACAT     ARCTIC CAT INC               1,123,269       903,877        24.3
SRDX     SURMODICS INC                  300,477       241,916        24.2
MGLN     MAGELLAN HEALTH                764,025       615,152        24.2
ARAY     ACCURAY INC                 12,296,421     9,902,000        24.2
INTU     INTUIT INC                   9,510,753     7,662,176        24.1
YY       YY INC-ADR                     473,661       381,822        24.1
HTHT     CHINA LODGIN-ADS               406,289       327,771        24.0
XONE     EXONE CO/THE                 1,536,636     1,242,670        23.7
CONE     CYRUSONE INC                   467,407       378,186        23.6
PRXL     PAREXEL INTL                 3,729,042     3,017,537        23.6
GTIV     GENTIVA HEALTH               2,600,831     2,105,506        23.5
OSIS     OSI SYSTEMS INC              1,035,177       839,440        23.3
FRGI     FIESTA RESTAURAN               455,328       369,768        23.1
EVEP     EV ENERGY PARTNE             1,220,422       993,520        22.8
AVID     AVID TECHNOLOGY              1,020,965       832,435        22.6
WBMD     WEBMD HEALTH COR             2,184,852     1,781,539        22.6
CRAY     CRAY INC                     1,624,977     1,328,353        22.3
OSH      ORCHARD SUPPL-A                847,659       693,153        22.3
AEIS     ADV ENERGY INDS              1,189,684       972,976        22.3
EGBN     EAGLE BANCRP INC               446,216       365,481        22.1
MDRX     ALLSCRIPTS HEALT             5,138,318     4,209,353        22.1
MATR     MATTERSIGHT CORP               805,698       661,005        21.9
PCCC     PC CONNECTION                  247,961       203,602        21.8
THRM     GENTHERM INC                 1,116,398       916,832        21.8
BLMN     BLOOMIN' BRANDS              3,352,159     2,754,818        21.7
CRZO     CARRIZO OIL&GAS              6,757,063     5,554,927        21.6
WFM      WHOLE FOODS MKT              4,129,647     3,397,141        21.6
ESRX     EXPRESS SCRIPTS             11,448,594     9,430,950        21.4
TUES     TUESDAY MORNING              1,030,927       849,835        21.3
SNMX     SENOMYX INC                    314,910       261,022        20.6
CG       CARLYLE GROUP/TH               653,887       542,022        20.6
TICC     TICC CAPITAL COR             1,292,078     1,071,035        20.6
TCBK     TRICO BANCSHARES               276,969       229,865        20.5
SSYS     STRATASYS LTD                3,507,985     2,912,652        20.4
HSII     HEIDRICK & STRUG               367,087       305,412        20.2
SWKS     SKYWORKS SOLUTIO            11,274,532     9,400,876        19.9
SUPN     SUPERNUS PHARMAC             2,165,170     1,808,031        19.8
HOLX     HOLOGIC INC                 12,724,190    10,658,347        19.4
VICL     VICAL INC                    5,586,236     4,683,652        19.3
SHLM     SCHULMAN (A)                   438,360       368,803        18.9
UTIW     UTI WORLDWIDE                3,092,131     2,605,081        18.7
AAWW     ATLAS AIR WORLDW             1,378,062     1,162,795        18.5
TSRX     TRIUS THERAPEUTI             1,685,925     1,427,434        18.1
SNTS     SANTARUS INC                 4,293,631     3,645,471        17.8
ANAC     ANACOR PHARMACEU               684,007       580,867        17.8
CACC     CREDIT ACCEPTANC               340,168       288,894        17.7
HOGS     ZHONGPIN INC                   850,839       722,878        17.7
STKL     SUNOPTA INC                    409,110       347,775        17.6
ORCL     ORACLE CORP                 44,864,205    38,195,551        17.5
GTLS     CHART INDUSTRIES             3,098,803     2,641,257        17.3
XXIA     IXIA                         4,389,177     3,744,658        17.2
ERII     ENERGY RECOVERY              2,769,408     2,363,062        17.2
BMRN     BIOMARIN PHARMAC            11,971,421    10,224,692        17.1
AFAM     ALMOST FAMILY IN               489,273       417,971        17.1
LBAI     LAKELAND BANCORP             1,797,766     1,542,057        16.6
YHOO     YAHOO! INC                  25,586,749    21,967,056        16.5
GPRE     GREEN PLAINS REN             2,985,376     2,566,576        16.3
JAZZ     JAZZ PHARMACEUTI             1,909,614     1,642,058        16.3
CELG     CELGENE CORP                 6,425,099     5,534,096        16.1
QQQ      POWERSH-QQQ                 61,298,595    52,955,650        15.8
CECO     CAREER EDUCATION             3,797,559     3,282,189        15.7
DISCK    DISCOVERY COMM-C               478,190       413,563        15.6
HLSS     HOME LOAN SERVIC             1,622,055     1,404,043        15.5
FDML     FEDERAL MOGUL                1,179,577     1,021,097        15.5
MANH     MANHATTAN ASSOC              1,001,369       867,573        15.4
ADP      AUTOMATIC DATA               7,222,421     6,265,141        15.3
NVAX     NOVAVAX INC                 10,544,809     9,148,263        15.3
MYGN     MYRIAD GENETICS              5,675,193     4,924,723        15.2
VLTR     VOLTERRA SEMICON               869,372       755,935        15.0
MDCO     MEDICINES COMP               3,004,755     2,620,628        14.7
GILD     GILEAD SCIENCES             66,575,449    58,087,775        14.6
CBMX     COMBIMATRIX CORP               316,202       276,052        14.5
RMTI     ROCKWELL MEDICAL             3,712,026     3,242,261        14.5
SRCL     STERICYCLE INC               2,306,767     2,017,102        14.4
LMOS     LUMOS NETWORKS C               896,802       785,162        14.2
DCTH     DELCATH SYSTEMS              8,642,872     7,569,062        14.2
VTUS     VENTRUS BIOSCIEN               935,702       819,778        14.1
CERS     CERUS CORP                   6,546,592     5,739,791        14.1
MU       MICRON TECH                 83,504,136    73,234,184        14.0
RGLD     ROYAL GOLD INC               1,930,955     1,694,508        14.0
CYTR     CYTRX CORP                     688,653       604,414        13.9
EZCH     EZCHIP SEMICONDU             4,048,744     3,556,084        13.9
ATHX     ATHERSYS INC                   519,179       456,130        13.8
JKHY     JACK HENRY                   1,942,417     1,709,527        13.6
PSDV     PSIVIDA CORP                   266,424       234,575        13.6
CVLT     COMMVAULT SYSTEM             1,950,623     1,718,415        13.5
LMCA     LIBERTY MEDIA CO               455,464       401,310        13.5
FLEX     FLEXTRONICS INTL             4,438,872     3,915,197        13.4
FWLT     FOSTER WHEELER               1,444,392     1,274,798        13.3
FB       FACEBOOK INC-A              32,235,485    28,492,068        13.1
CBF      CAPITAL BANK FIN               542,486       479,614        13.1
EQIX     EQUINIX INC                  7,965,852     7,049,070        13.0
LPSN     LIVEPERSON INC               2,368,115     2,096,179        13.0
ADBE     ADOBE SYS INC               10,959,957     9,708,966        12.9
IPHS     INNOPHOS HOLDING               498,173       441,332        12.9
SOXX     ISHARES PHLX SOX               747,646       662,820        12.8
ARRY     ARRAY BIOPHARMA              4,172,668     3,699,290        12.8
GHDX     GENOMIC HEALTH I             2,416,897     2,144,750        12.7
REXI     RESOURCE AMER-A                348,161       309,056        12.7
OPLK     OPLINK COMMUNICA               342,811       304,532        12.6
INFI     INFINITY PHARMAC             3,697,816     3,286,433        12.5
MWIV     MWI VETERINARY S               598,175       531,912        12.5
SLM      SLM CORP                     8,902,848     7,917,784        12.4
PTNR     PARTNER COMM-ADR               274,718       244,539        12.3
AMCX     AMC NETWORKS-A               1,168,752     1,041,083        12.3
MRCY     MERCURY SYSTEMS              1,969,315     1,754,437        12.2
MYL      MYLAN INC                   39,042,895    34,809,452        12.2
SSH      SUNSHINE HEART I               336,648       300,160        12.2
LPNT     LIFEPOINT HOSPIT             1,477,586     1,317,481        12.2
SMT      SMART TECHNOL-A              1,083,520       966,147        12.1
GOOG     GOOGLE INC-CL A              4,916,733     4,391,922        11.9
EROC     EAGLE ROCK ENERG             1,175,606     1,050,186        11.9
VIAB     VIACOM INC-B                 7,338,845     6,563,556        11.8
GPOR     GULFPORT ENERGY              5,786,898     5,179,257        11.7
BIOL     BIOLASE INC                  3,168,849     2,836,409        11.7
TIBX     TIBCO SOFTWARE               4,180,857     3,746,140        11.6
VNDA     VANDA PHARMACEUT             1,427,268     1,279,547        11.5
PMTC     PTC INC                      5,607,475     5,030,519        11.5
DVAX     DYNAVAX TECHNOLO            19,849,404    17,812,131        11.4
FTEK     FUEL TECH INC                  325,325       291,972        11.4
KNDI     KANDI TECHNOLOGI               698,957       627,432        11.4
CZR      CAESARS ENTERTAI            10,326,590     9,281,992        11.3
CUTR     CUTERA INC                     327,829       294,821        11.2

*-- Data includes ETF positions.

-- Bloomberg News

To contact Bloomberg News for this story: newsdev@bloomberg.net

Bloomberg reserves the right to edit or remove comments but is under no obligation to do so, or to explain individual moderation decisions.

Please enable JavaScript to view the comments powered by Disqus.