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Largest Nasdaq Short Interest Percent Increases as of Feb. 28

The following are the 200 largest short interest percent increases on the Nasdaq Stock Market as of the Feb. 28 settlement date. This list includes securities with a short position of at least 200,000 shares.



Ticker                                                                     
Symbol   Company                        Feb. 28       Feb. 15      % Change   
=============================================================================
XONE     EXONE CO/THE                 1,242,670       266,121       367.0
AFFY     AFFYMAX INC                  7,923,275     2,977,338       166.1
ACLS     AXCELIS TECH INC             3,317,090     1,553,995       113.5
NCLH     NORWEGIAN CRUISE               853,049       423,201       101.6
MBFI     MB FINANCIAL                 1,886,935       970,772        94.4
OSH      ORCHARD SUPPL-A                693,153       370,097        87.3
MGLN     MAGELLAN HEALTH                615,152       350,692        75.4
SCBT     SCBT FINANCIAL C               649,467       372,239        74.5
EXLP     EXTERRAN PARTNER               462,854       288,946        60.2
DLTR     DOLLAR TREE INC              5,726,878     3,614,324        58.4
AAXJ     ISHAR ASIA EX-JP               383,978       246,270        55.9
AAWW     ATLAS AIR WORLDW             1,162,795       747,069        55.6
CTRX     CATAMARAN CORP               2,741,306     1,823,536        50.3
ARWR     ARROWHEAD RESEAR               382,698       256,223        49.4
AKAM     AKAMAI TECHNOLOG             9,665,003     6,495,084        48.8
CELG     CELGENE CORP                 5,534,096     3,736,784        48.1
ALLT     ALLOT COMMUNICAT             1,032,200       716,462        44.1
CMCSK    COMCAST CORP-SPL             7,305,926     5,160,684        41.6
YNDX     YANDEX NV-A                  2,265,991     1,644,601        37.8
REXI     RESOURCE AMER-A                309,056       224,481        37.7
ORIG     OCEAN RIG UDW IN               306,276       222,516        37.6
PZZA     PAPA JOHN'S INTL               429,150       313,746        36.8
VIAB     VIACOM INC-B                 6,563,556     4,836,990        35.7
INSM     INSMED INC                   1,022,862       757,167        35.1
EDAP     EDAP TMS SA -ADR               585,721       434,439        34.8
AMWD     AMER WOODMARK CO               676,749       505,249        33.9
SNFCA    SECURITY NATL-A                925,690       695,955        33.0
RFMD     RF MICRO DEVICES            12,970,633     9,802,875        32.3
MMSI     MERIT MEDICAL                  738,512       560,946        31.7
SCSC     SCANSOURCE INC                 583,540       444,840        31.2
SUPN     SUPERNUS PHARMAC             1,808,031     1,391,829        29.9
HA       HAWAIIAN HOLDING             5,070,319     3,914,753        29.5
BRCM     BROADCOM CORP-A              8,256,403     6,386,895        29.3
CMCSA    COMCAST CORP-A              30,950,558    23,961,762        29.2
ENPH     ENPHASE ENERGY               1,684,587     1,307,642        28.8
STRZA    STARZ - LIBERTY              6,785,124     5,273,284        28.7
ARCP     AMERICAN REALTY                490,644       381,902        28.5
BEBE     BEBE STORES INC              3,543,818     2,797,932        26.7
ACET     ACETO CORP                     632,569       500,227        26.5
DCIX     DIANA CONTAINERS               949,135       755,244        25.7
AFCE     AFC ENTERPRISES                547,523       436,016        25.6
ATMI     ATMI INC                       702,665       560,676        25.3
AMBA     AMBARELLA INC                  280,458       223,857        25.3
ARII     AMERICAN RAILCAR               528,607       422,152        25.2
LBTYK    LIBERTY GLOBAL-C             8,982,811     7,180,093        25.1
PNNT     PENNANTPARK INVE             2,125,039     1,701,977        24.9
MDRX     ALLSCRIPTS HEALT             4,209,353     3,383,322        24.4
NUAN     NUANCE COMMUNICA            19,492,312    15,688,009        24.2
PCYC     PHARMACYCLICS                3,724,448     2,999,538        24.2
DGIT     DIGITAL GENERATI             9,298,762     7,501,286        24.0
FFIV     F5 NETWORKS                  4,947,433     3,996,998        23.8
LPSN     LIVEPERSON INC               2,096,179     1,696,549        23.6
GSM      GLOBE SPECIALTY              4,646,404     3,761,533        23.5
UFPI     UNIVERSAL FOREST               744,391       603,981        23.2
IPGP     IPG PHOTONICS                9,416,477     7,649,045        23.1
CLMT     CALUMET SPECIALT               561,921       456,613        23.1
LBTYA    LIBERTY GLOBAL-A            19,199,449    15,605,486        23.0
ARAY     ACCURAY INC                  9,902,000     8,051,511        23.0
AXTI     AXT INC                        557,823       453,956        22.9
KCAP     KCAP FINANCIAL I             2,239,621     1,822,700        22.9
BIOF     BIOFUEL ENERGY C               629,979       515,070        22.3
SBUX     STARBUCKS CORP              10,655,131     8,732,560        22.0
ALTR     ALTERA CORP                  6,152,069     5,044,133        22.0
KEYW     KEYW HOLDING COR             3,270,771     2,682,361        21.9
ATRO     ASTRONICS CORP                 274,383       225,462        21.7
GT       GOODYEAR TIRE               11,876,378     9,788,394        21.3
INTU     INTUIT INC                   7,662,176     6,323,223        21.2
GUID     GUIDANCE SOFTWAR               347,968       287,276        21.1
WEN      WENDY'S CO/THE              18,438,219    15,237,750        21.0
UTIW     UTI WORLDWIDE                2,605,081     2,155,504        20.9
DARA     DARA BIOSCIENCES             1,611,050     1,335,396        20.6
AVEO     AVEO PHARMACEUTI             4,719,686     3,913,219        20.6
CBRL     CRACKER BARREL               1,368,197     1,135,269        20.5
ENTG     ENTEGRIS INC                 2,429,056     2,016,314        20.5
FINL     FINISH LINE-A                5,737,329     4,775,924        20.1
SSNC     SS&C TECHNOLOGIE             1,472,586     1,226,606        20.1
RPRX     REPROS THERAPEUT             5,244,693     4,369,993        20.0
SYMC     SYMANTEC CORP               13,725,012    11,448,891        19.9
CHTR     CHARTER COM-A                4,506,655     3,769,097        19.6
SIVB     SVB FINANCIAL GR             1,362,205     1,140,110        19.5
ACAD     ACADIA PHARMACEU             4,929,620     4,129,524        19.4
CLMS     CALAMOS ASSET-A              1,208,318     1,015,265        19.0
SCON     SUPERCONDUCTOR T             1,693,609     1,423,269        19.0
CTSH     COGNIZANT TECH-A             2,399,968     2,017,161        19.0
PLCM     POLYCOM INC                 13,068,362    11,043,372        18.3
HDSN     HUDSON TECH                    375,954       318,343        18.1
LBAI     LAKELAND BANCORP             1,542,057     1,305,936        18.1
SYNA     SYNAPTICS INC                3,036,050     2,573,304        18.0
VRTU     VIRTUSA CORP                   504,174       427,566        17.9
TSPT     TRANSCEPT PHARMA               632,765       537,131        17.8
BAGL     EINSTEIN NOAH RE               385,189       327,037        17.8
NTAP     NETAPP INC                  17,368,171    14,746,756        17.8
ROCK     GIBRALTAR INDUST               642,066       545,523        17.7
OGXI     ONCOGENEX PHARMA               467,047       396,843        17.7
AZPN     ASPEN TECHNOLOGY             1,954,543     1,661,032        17.7
AMKR     AMKOR TECH INC              19,438,549    16,525,536        17.6
SGNT     SAGENT PHARMACEU               593,939       505,083        17.6
NLST     NETLIST INC                    418,365       356,474        17.4
BLDR     BUILDERS FIRSTSO             4,535,597     3,868,463        17.2
OPXA     OPEXA THERAPEUTI               344,517       294,164        17.1
MSFT     MICROSOFT CORP              97,885,936    83,582,893        17.1
EVEP     EV ENERGY PARTNE               993,520       849,424        17.0
ANAD     ANADIGICS INC                1,530,580     1,311,931        16.7
AVID     AVID TECHNOLOGY                832,435       713,761        16.6
ODFL     OLD DOMINION FRT             1,534,266     1,317,194        16.5
FULT     FULTON FINANCIAL             5,307,888     4,558,256        16.4
BWLD     BUFFALO WILD WIN             4,251,012     3,651,043        16.4
CUTR     CUTERA INC                     294,821       253,254        16.4
LGCY     LEGACY RESERVES                622,799       535,491        16.3
PROV     PROVIDENT FNL HL               492,916       423,939        16.3
STMP     STAMPS.COM INC                 858,629       738,863        16.2
SUSQ     SUSQUEHAN BNCSHS             5,240,763     4,511,693        16.2
MDLZ     MONDELEZ INTER-A            13,695,797    11,810,180        16.0
LLTC     LINEAR TECH CORP             8,985,501     7,750,592        15.9
AMCC     APPLIED MICRO CI             4,771,445     4,116,078        15.9
NSIT     INSIGHT ENTERPRI               700,272       604,667        15.8
CRMT     AMERICA'S CAR-MA               521,127       450,342        15.7
DENN     DENNY'S CORP                 2,285,654     1,976,473        15.6
PTX      PERNIX THERAPEUT               247,827       214,388        15.6
EXPO     EXPONENT INC                   304,417       263,355        15.6
COOL     MAJESCO ENTERTAI               400,887       346,967        15.5
BKCC     BLACKROCK KELSO              3,171,616     2,746,094        15.5
BGCP     BGC PARTNERS-A               5,760,436     4,987,826        15.5
TAYC     TAYLOR CAPITAL               1,025,724       888,445        15.5
JASO     JA SOLAR HOL-ADR             3,361,419     2,911,872        15.4
PPHM     PEREGRINE PHARMA            12,700,807    11,006,470        15.4
GSIT     GSI TECHNOLOGY                 365,708       317,408        15.2
ZGNX     ZOGENIX INC                  8,355,256     7,262,299        15.0
OSIS     OSI SYSTEMS INC                839,440       729,699        15.0
APOG     APOGEE ENTERPR                 606,376       527,340        15.0
BODY     BODY CENTRAL COR               540,971       470,672        14.9
FDUS     FIDUS INVESTMENT               392,913       341,944        14.9
GOLD     RANDGOLD RES-ADR               682,983       594,720        14.8
NWSA     NEWS CORP-A                 34,922,518    30,423,169        14.8
ANIK     ANIKA THERAPEUTI               338,933       295,312        14.8
PPC      PILGRIM'S PRIDE              3,601,699     3,141,713        14.6
ACWI     ISHARES MSCI ACW             1,198,070     1,045,205        14.6
CHKP     CHECK POINT SOFT             6,762,761     5,900,446        14.6
AINV     APOLLO INV CORP              5,697,098     4,970,691        14.6
NEWL     NEWLEAD HOLDINGS               291,831       254,986        14.4
MNTA     MOMENTA PHARMACE             2,916,015     2,550,732        14.3
RVLT     REVOLUTION LIGHT               477,555       417,898        14.3
RNST     RENASANT CORP                1,414,790     1,238,490        14.2
MDCO     MEDICINES COMP               2,620,628     2,294,567        14.2
CACC     CREDIT ACCEPTANC               288,894       253,065        14.2
FLOW     FLOW INTL CORP                 785,354       688,151        14.1
ADP      AUTOMATIC DATA               6,265,141     5,495,028        14.0
MYRG     MYR GROUP INC/DE               391,404       343,761        13.9
PDLI     PDL BIOPHARMA IN            22,762,130    20,049,715        13.5
GHDX     GENOMIC HEALTH I             2,144,750     1,891,066        13.4
IQNT     NEUTRAL TANDEM I             1,286,867     1,135,749        13.3
NANO     NANOMETRICS INC                693,497       612,098        13.3
ARRS     ARRIS GROUP INC              5,518,618     4,873,299        13.2
PKT      PROCERA NETWORKS             1,657,116     1,463,412        13.2
URRE     URANIUM RES INC              1,459,219     1,289,027        13.2
PRGS     PROGRESS SOFTWAR             1,617,827     1,429,868        13.1
ZIOP     ZIOPHARM ONCOLOG            13,954,955    12,342,096        13.1
VDSI     VASCO DATA INTL                764,725       676,514        13.0
HUBG     HUB GROUP-A                    926,502       820,384        12.9
NPSP     NPS PHARM INC               11,257,012     9,968,590        12.9
SQI      SCIQUEST INC                   499,536       442,465        12.9
CNMD     CONMED CORP                    800,711       709,273        12.9
GEOS     GEOSPACE TECHNOL               464,867       412,008        12.8
CYBX     CYBERONICS                   3,680,821     3,263,402        12.8
CRRC     COURIER CORP                   259,855       230,695        12.6
TXRH     TEXAS ROADHOUS               5,573,879     4,948,624        12.6
CNDO     CORONADO BIOSCIE             1,285,306     1,141,646        12.6
BGMD     BG MEDICINE                    742,294       659,382        12.6
NWBI     NORTHWEST BANCSH             2,991,562     2,658,022        12.5
MCRL     MICREL INC                   2,499,277     2,221,178        12.5
ZOLT     ZOLTEK COS                   7,759,652     6,901,813        12.4
FNFG     FIRST NIAGARA FI            10,559,270     9,393,285        12.4
PBCT     PEOPLE'S UNITED             19,831,444    17,647,146        12.4
FB       FACEBOOK INC-A              28,492,068    25,392,181        12.2
TCBI     TEXAS CAPITAL BA             3,643,595     3,249,787        12.1
SATS     ECHOSTAR CORP-A                326,472       291,339        12.1
WABC     WESTAMERICA BANC             2,784,986     2,486,617        12.0
SPWR     SUNPOWER CORP                9,926,028     8,868,904        11.9
BJRI     BJ'S RESTAURANTS             3,421,724     3,057,335        11.9
RMTI     ROCKWELL MEDICAL             3,242,261     2,897,547        11.9
MCRS     MICROS SYSTEMS               9,849,711     8,812,027        11.8
DISH     DISH NETWORK-A               4,097,419     3,668,590        11.7
KALU     KAISER ALUMINUM              1,751,289     1,568,485        11.7
MPET     MAGELLAN PETRO                 228,990       205,147        11.6
ADNC     AUDIENCE INC                   256,218       229,546        11.6
CASS     CASS INFORMATION               464,893       416,524        11.6
CSCO     CISCO SYSTEMS               61,504,103    55,107,933        11.6
WSBC     WESBANCO INC                   401,418       359,675        11.6
FBNC     FIRST BANCORP/NC               386,570       346,396        11.6
ASTM     AASTROM BIOSCIEN             2,885,117     2,585,719        11.6
ULTI     ULTIMATE SOFTWAR             1,160,866     1,041,051        11.5
DRIV     DIGITAL RIVER                1,702,307     1,527,894        11.4
TSLA     TESLA MOTORS                31,954,742    28,694,016        11.4
CVGI     COMMERCIAL VEHIC             1,134,739     1,019,489        11.3
ANAC     ANACOR PHARMACEU               580,867       522,144        11.2
BFIN     BANKFINANCIAL                  333,960       300,263        11.2
CMLS     CUMULUS MEDIA-A              7,961,217     7,159,277        11.2
PRSS     CAFEPRESS INC                  591,155       531,640        11.2
CTRN     CITI TRENDS INC                424,565       382,057        11.1
AGNC     AMERICAN CAPITAL             5,123,857     4,610,967        11.1

*-- Data includes ETF positions.

-- Bloomberg News

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