Largest Nasdaq Short Interest vs Free Float as of April 15

The following table ranks companies listed on the Nasdaq Stock Market that have more than 10 percent of their shares available for trading sold short by investors as of the April 15 settlement date.



                               Short Interest   Short Interest  Equity Float 
Ticker  Name                      / Float %     (In mln shrs)   (In mln shrs)
=============================================================================
CCME    CHINA MEDIAEXPRE             73.64         10.32         14.01
ZAGG    ZAGG INC                     53.57          8.24         15.38
RBCN    RUBICON TECHNOLO             47.44          8.79         18.53
TSLA    TESLA MOTORS                 46.59         14.47         31.05
CCRT    COMPUCREDIT HOLD             46.31          5.86         12.65
CADX    CADENCE PHARMACE             43.83         15.07         34.39
PWER    POWER-ONE INC                42.13         35.01         83.09
ATPG    ATP OIL & GAS                42.01         18.69         44.49
ENTR    ENTROPIC COMMUNI             40.88         29.94         73.23
BBBB    BLACKBOARD INC               40.03         13.31         33.24
LPHI    LIFE PARTNERS HO             39.61          3.63          9.15
CSTR    COINSTAR INC                 38.09         11.97         31.43
CALM    CAL-MAINE FOODS              37.82          4.90         12.97
CHBT    CHINA-BIOTICS IN             37.66          4.29         11.40
LNET    LODGENET INTERAC             35.15          6.24         17.74
NILE    BLUE NILE INC                34.69          5.00         14.40
AVNR    AVANIR PHARM INC             34.24         32.80         95.79
SPWRA   SUNPOWER CORP-A              33.41         18.00         53.88
HRBN    HARBIN ELECTRIC              32.95          6.63         20.13
AMSC    AMER SUPERCONDTR             32.65         12.71         38.92
OPEN    OPENTABLE INC                32.63          5.75         17.61
COCO    CORINTHIAN COLLE             32.44         24.74         76.27
CTCT    CONSTANT CONTACT             32.44          9.20         28.36
CONN    CONN'S INC                   32.37          5.26         16.26
STEC    STEC INC                     31.91         13.10         41.06
REXX    REX ENERGY CORP              31.73         10.23         32.25
TZOO    TRAVELZOO INC                31.16          1.73          5.54
GFRE    GULF RESOURCES I             30.91          4.29         13.87
CLWR    CLEARWIRE -CL A              30.77         51.53        167.47
MERU    MERU NETWORKS IN             30.71          3.03          9.85
JRCC    JAMES RIVER COAL             30.69          8.95         29.16
SYNA    SYNAPTICS INC                29.38          9.84         33.48
VECO    VEECO INSTRUMENT             29.33         11.77         40.15
CIEN    CIENA CORP                   29.05         26.74         92.06
SHLD    SEARS HOLDINGS               28.97         11.04         38.09
MBLX    METABOLIX INC                28.61          7.02         24.52
ROYL    ROYALE ENERGY                28.56          2.11          7.40
DMND    DIAMOND FOODS                28.55          6.05         21.20
ENER    ENERGY CONV DEV              27.75         14.62         52.69
PETS    PETMED EXPRESS               27.45          5.35         19.49
FSLR    FIRST SOLAR INC              27.41         16.02         58.44
MNKD    MANNKIND CORP                27.15         23.04         84.85
EBIX    EBIX INC                     26.95          8.64         32.06
VVUS    VIVUS INC                    26.41         21.19         80.22
BRLI    BIO-REFER LABS               26.36          6.50         24.67
NTRI    NUTRISYSTEM INC              26.04          6.61         25.38
ZUMZ    ZUMIEZ INC                   25.72          5.59         21.73
ECHO    ECHO GLOBAL LOGI             25.55          2.72         10.66
FSYS    FUEL SYSTEMS SOL             25.54          3.42         13.37
EHTH    EHEALTH INC                  25.48          5.04         19.79
CLNE    CLEAN ENERGY FUE             25.34         12.24         48.31
SPMD    SUPERMEDIA INC               25.28          3.79         15.00
SOMX    SOMAXON PHARMACE             25.19         10.23         40.59
ALGT    ALLEGIANT TRAVEL             25.16          3.67         14.57
STRA    STRAYER EDUCATIO             24.85          3.03         12.19
WRLD    WORLD ACCEPTANCE             24.59          3.69         15.01
ATHN    ATHENAHEALTH INC             24.58          8.02         32.63
TSTC    TELESTONE TECHNO             24.48          2.20          9.00
DCTH    DELCATH SYSTEMS              24.25         10.03         41.36
QSII    QUALITY SYSTEMS              24.24          4.65         19.16
CAGC    CHINA AGRITECH               24.21          3.10         12.80
SATC    SATCON TECH                  24.06         21.96         91.25
CREE    CREE INC                     23.88         24.00        100.48
MELA    MELA SCIENCES IN             23.64          5.70         24.10
ENOC    ENERNOC INC                  23.61          4.36         18.45
SVNT    SAVIENT PHARMACE             23.52         16.49         70.10
MAKO    MAKO SURGICAL                23.42          6.78         28.94
PFCB    PF CHANG'S CHINA             23.32          5.23         22.43
PEET    PEETS COFFEE &               23.21          2.98         12.86
ACOM    ANCESTRY.COM INC             23.19          4.25         18.31
TAYC    TAYLOR CAPITAL               22.83          1.49          6.55
MNTA    MOMENTA PHARMACE             22.67          9.64         42.54
LIWA    LIHUA INTERNATIO             22.14          3.26         14.73
FSIN    FUSHI COPPERWELD             22.10          5.46         24.71
CAST    CHINACAST EDUCAT             21.60          8.85         40.99
QNST    QUINSTREET INC               21.30          5.82         27.34
DEER    DEER CONSUMER PR             21.25          3.62         17.04
ARNA    ARENA PHARMACEUT             21.25         28.11        132.27
PSUN    PAC SUNWEAR CAL              21.24          9.85         46.37
INWK    INNERWORKINGS IN             21.14          7.30         34.51
VRA     VERA BRADLEY INC             21.08          2.32         11.00
AMED    AMEDISYS INC                 20.89          6.04         28.89
OREX    OREXIGEN THERAPE             20.89          7.03         33.66
GMCR    GREEN MOUNTAIN               20.78         22.39        107.75
NFLX    NETFLIX INC                  20.74         10.34         49.87
PLCE    CHILDRENS PLACE              20.59          4.57         22.20
BONT    BON-TON STORES               20.58          2.59         12.60
CSKI    CHINA SKY ONE ME             20.30          2.09         10.29
CBEH    CHINA INTEGRATED             20.25          3.56         17.57
LOCM    LOCAL.COM CORP               20.05          4.08         20.35
RRGB    RED ROBIN GOURME             19.93          2.53         12.69
RLOC    REACHLOCAL INC               19.92          2.29         11.49
JBLU    JETBLUE AIRWAYS              19.91         47.77        239.88
IRDM    IRIDIUM COMMUNIC             19.89          9.89         49.74
KITD    KIT DIGITAL INC              19.83          6.21         31.30
CVVT    CHINA VALVES TEC             19.81          4.10         20.71
SMT     SMART TECHNOL-A              19.75          7.30         36.98
YONG    YONGYE INTERNATI             19.64          7.63         38.85
OSBC    OLD SECOND BNCRP             19.64          2.31         11.75
MOTR    MOTRICITY INC                19.52          5.80         29.72
BJRI    BJ'S RESTAURANTS             19.50          4.25         21.79
CMLS    CUMULUS MEDIA-A              19.47          4.19         21.52
FFBHD   FIRST FED BNCSHS             19.32          0.66          3.40
LLEN    L&L ENERGY INC               19.27          4.58         23.77
YRCW    YRC WORLDWIDE IN             19.24          9.18         47.71
JOSB    JOS A BANK CLOTH             19.20          5.25         27.32
MIPS    MIPS TECH INC                19.11          9.94         52.03
STXS    STEREOTAXIS INC              18.97          7.08         37.34
PRAA    PORTFOLIO RECOVE             18.96          3.17         16.71
AUXL    AUXILIUM PHARMAC             18.85          8.98         47.63
LBTYA   LIBERTY GLOBAL-A             18.67         20.16        107.98
WTSLA   WET SEAL INC -A              18.60         16.87         90.70
PACR    PACER INTL INC               18.38          6.34         34.48
OZRK    BANK OZARKS                  18.30          2.57         14.02
SAFM    SANDERSON FARMS              18.28          3.42         18.71
EDMC    EDUCATION MGMT               18.09          5.02         27.73
LWAY    LIFEWAY FOODS                17.89          0.83          4.66
NTSP    NETSPEND HOLDING             17.86          3.49         19.56
RUE     RUE21 INC                    17.68          3.99         22.56
KNSY    KENSEY NASH CORP             17.64          1.36          7.69
QDEL    QUIDEL CORP                  17.61          5.07         28.76
EPOC    EPOCRATES INC                17.54          1.13          6.46
WTFC    WINTRUST FINL                17.41          5.87         33.73
CSIQ    CANADIAN SOLAR I             17.38          5.12         29.45
ACOR    ACORDA THERAPEUT             17.31          6.67         38.53
RJET    REPUBLIC AIRWAYS             17.28          7.75         44.83
GRNB    GREEN BANKSHARES             17.20          1.88         10.96
SIGA    SIGA TECH INC                17.17          6.32         36.81
CPLA    CAPELLA EDUCATIO             17.16          2.55         14.86
CIGX    STAR SCIENTIFIC              17.11         16.33         95.40
TRLG    TRUE RELIGION AP             17.11          3.92         22.94
CVBF    CVB FINANCIAL                17.10         14.45         84.52
CNQR    CONCUR TECH INC              17.01          7.40         43.50
SQNM    SEQUENOM INC                 16.92         16.64         98.33
AFFX    AFFYMETRIX INC               16.91         10.59         62.61
PODD    INSULET CORP                 16.85          7.26         43.12
ILMN    ILLUMINA INC                 16.84         21.09        125.25
RNOW    RIGHTNOW TECH                16.80          3.86         22.98
CAVM    CAVIUM NETWORKS              16.80          6.87         40.89
CYTX    CYTORI THERAPEUT             16.70          7.22         43.25
CEPH    CEPHALON INC                 16.65         12.43         74.66
GRMN    GARMIN LTD                   16.59         20.13        121.33
IDCC    INTERDIGITAL INC             16.56          7.36         44.45
VITC    VITACOST.COM INC             16.45          1.98         12.05
ZSTN    ZST DIGITAL NETW             16.44          0.82          4.97
ERII    ENERGY RECOVERY              16.32          5.44         33.33
LOGM    LOGMEIN INC                  16.28          3.04         18.70
WATG    WONDER AUTO TECH             16.23          3.89         23.97
SGEN    SEATTLE GENETICS             16.19         17.85        110.20
SCHS    SCHOOL SPECIALTY             16.04          2.91         18.13
ICUI    ICU MEDICAL                  16.04          1.94         12.11
JAKK    JAKKS PACIFIC                15.99          4.21         26.34
CSGP    COSTAR GROUP INC             15.91          3.12         19.62
NVTL    NOVATEL WIRELESS             15.90          5.00         31.47
SGMO    SANGAMO BIOSCIEN             15.87          7.88         49.68
HEV     ENER1 INC                    15.74          7.85         49.90
NUVA    NUVASIVE INC                 15.73          6.21         39.46
CHUX    O'CHARLEYS INC               15.71          3.13         19.91
QCOR    QUESTCOR PHARM               15.62          8.25         52.79
OCLR    OCLARO INC                   15.54          7.70         49.54
HOGS    ZHONGPIN INC                 15.52          4.72         30.42
CAAS    CHINA AUTOMOTIVE             15.33          1.49          9.74
CLDX    CELLDEX THERAPEU             15.32          4.65         30.38
PACB    PACIFIC BIOSCIEN             15.32          3.17         20.70
CAR     AVIS BUDGET GROU             15.29         15.72        102.83
CRWN    CROWN MEDIA HL-A             15.28          3.81         24.93
STEI    STEWART ENTERP-A             15.14         11.99         79.19
KERX    KERYX BIOPHARM               15.09          8.91         59.07
CAKE    CHEESECAKE FACTO             14.97          8.38         55.97
PSSI    PSS WORLD MEDICA             14.93          8.14         54.52
CBEY    CBEYOND INC                  14.92          4.40         29.46
TCBI    TEXAS CAPITAL BA             14.85          5.17         34.83
GNOM    COMPLETE GENOMIC             14.77          1.02          6.89
ZOLT    ZOLTEK COS                   14.76          4.09         27.68
UBSI    UNITED BANKSHS               14.71          5.61         38.11
PNSN    PENSON WORLDWIDE             14.67          2.87         19.57
LOGI    LOGITECH INTER-R             14.60         24.23        165.96
TTWO    TAKE-TWO INTERAC             14.60         10.38         71.13
CPST    CAPSTONE TURBINE             14.58         35.61        244.31
THQI    THQ INC                      14.51          9.74         67.10
HOKU    HOKU CORP                    14.47          2.06         14.23
RDEA    ARDEA BIOSCIENCE             14.44          2.41         16.70
MOLX    MOLEX INC                    14.42          9.17         63.59
BIOD    BIODEL INC                   14.42          3.25         22.51
AONE    A123 SYSTEMS INC             14.41         15.64        108.55
ALGN    ALIGN TECHNOLOGY             14.39          8.15         56.66
PLAB    PHOTRONICS INC               14.38          7.48         52.05
HIBB    HIBBETT SPORTS I             14.37          3.90         27.15
LEAP    LEAP WIRELESS                14.36          8.82         61.41
TIVO    TIVO INC                     14.35         16.58        115.56
BSDM    BSD MEDICAL                  14.27          3.03         21.23
NETL    NETLOGIC MICROSY             14.26          8.68         60.89
FRED    FRED'S INC-A                 14.26          5.17         36.28
MELI    MERCADOLIBRE INC             14.18          4.33         30.51
ABCW    ANCHOR BANCRP WI             14.09          2.56         18.15
BDCO    BLUE DOLPHIN ENE             14.08          0.22          1.53
YUII    YUHE INTERNATION             14.06          1.70         12.08
EQIX    EQUINIX INC                  13.97          6.38         45.71
GTXI    GTX INC                      13.93          2.43         17.44
GPRE    GREEN PLAINS REN             13.89          2.80         20.13
BAMM    BOOKS-A-MILLION              13.87          0.90          6.46
THOR    THORATEC CORP                13.79          7.30         52.92
ENZN    ENZON PHARMACEUT             13.70          5.66         41.29
SFSF    SUCCESSFACTORS I             13.69          9.08         66.34
VLCM    VOLCOM INC                   13.67          2.46         18.00
LULU    LULULEMON ATH                13.52          6.53         48.27
OCZ     OCZ TECHNOLOGY               13.49          5.58         41.32
FIRE    SOURCEFIRE INC               13.49          3.33         24.71
APRI    APRICUS BIOSCIEN             13.44          2.25         16.77
SFLY    SHUTTERFLY INC               13.35          3.40         25.48
HTWR    HEARTWARE INTERN             13.29          1.45         10.93
CBLI    CLEVELAND BIOLAB             13.26          3.15         23.79
COWN    COWEN GROUP-A                13.20          5.47         41.44
SCHL    SCHOLASTIC CORP              13.18          2.99         22.73
MASI    MASIMO CORP                  13.17          7.08         53.77
EXPE    EXPEDIA INC                  13.15         24.37        185.31
CKEC    CARMIKE CINEMAS              13.06          1.45         11.10
PSMT    PRICESMART INC               13.04          1.90         14.55
BCRX    BIOCRYST PHARM               13.04          5.12         39.27
PNBK    PATRIOT NATL BNC             13.00          0.27          2.05
DEAR    DEARBORN BANCORP             12.99          0.85          6.52
GHDX    GENOMIC HEALTH I             12.98          2.19         16.87
FNFG    FIRST NIAGARA FI             12.92         26.75        207.00
TNDM    NEUTRAL TANDEM I             12.90          3.71         28.80
RODM    RODMAN & RENSHAW             12.70          1.51         11.85
IMGN    IMMUNOGEN INC                12.68          8.55         67.41
ALSK    ALASKA COMM SYS              12.67          5.54         43.77
CRZO    CARRIZO OIL&GAS              12.65          4.50         35.53
RXII    RXI PHARMACEUTIC             12.63          3.07         24.32
SYUT    SYNUTRA INTERNAT             12.62          2.18         17.30
GEOI    GEORESOURCES INC             12.62          2.53         20.03
MMYT    MAKEMYTRIP LTD               12.54          1.53         12.23
VPRT    VISTAPRINT NV                12.53          4.99         39.83
FNSR    FINISAR CORP                 12.49         10.98         87.97
INCY    INCYTE CORP                  12.40         13.73        110.72
EXEL    EXELIXIS INC                 12.36         15.13        122.37
WAVX    WAVE SYSTEMS-A               12.35          9.77         79.11
AMMD    AMER MED SYS HLD             12.32          9.38         76.10
CBRL    CRACKER BARREL               12.32          2.78         22.58
AAON    AAON INC                     12.30          1.43         11.61
PRXL    PAREXEL INTL                 12.29          7.00         56.95
PEGA    PEGASYSTEMS INC              12.24          2.01         16.39
PETD    PETRO DEV CORP               12.19          2.77         22.74
AIRM    AIR METHODS CORP             12.16          1.37         11.28
XOMA    XOMA LTD                     12.12          3.26         26.88
ZOLL    ZOLL MEDICAL                 12.10          2.61         21.53
VCLK    VALUECLICK INC               12.06          9.40         77.91
MINI    MOBILE MINI                  12.05          4.28         35.51
FFIN    FIRST FIN BANKSH             12.04          2.35         19.54
VIVO    MERIDIAN BIOSCI              12.04          4.77         39.61
CPHD    CEPHEID INC                  12.03          7.22         59.96
CPIX    CUMBERLAND PHARM             11.99          1.52         12.71
DNDN    DENDREON CORP                11.94         17.15        143.59
IBKC    IBERIABANK CORP              11.93          3.03         25.40
ISIS    ISIS PHARM                   11.81         11.05         93.58
CCBG    CAP CITY BANK                11.79          1.15          9.80
ARGN    AMERIGON INC                 11.79          2.44         20.71
MNRO    MONRO MUFFLER                11.78          3.38         28.67
AMKR    AMKOR TECH INC               11.77         12.80        108.75
LHCG    LHC GROUP INC                11.76          1.83         15.54
WIBC    WILSHIRE BANCORP             11.74          2.29         19.52
LANC    LANCASTER COLONY             11.74          2.37         20.20
APWR    A-POWER ENERGY G             11.73          3.99         34.01
CERN    CERNER CORP                  11.73          8.40         71.60
OSIR    OSIRIS THERAPEUT             11.69          1.77         15.12
JAZZ    JAZZ PHARMACEUTI             11.69          2.53         21.62
ABAT    ADVANCED BATTERY             11.67          7.85         67.29
RUTH    RUTH'S HOSPITALI             11.63          3.99         34.33
PNFP    PINNACLE FINL                11.60          3.68         31.70
VLCCF   KNIGHTSBRIDGE TA             11.58          2.55         21.99
HBHC    HANCOCK HLDG CO              11.58          4.78         41.32
IMMU    IMMUNOMEDICS INC             11.58          8.24         71.20
UCBI    UNITED COMMUNITY             11.56          8.65         74.79
HOLI    HOLLYSYS AUTOMAT             11.54          3.61         31.31
CBPO    CHINA BIOLOGIC P             11.51          1.36         11.78
CHCO    CITY HOLDING CO              11.51          1.70         14.75
UTHR    UNITED THERAPEUT             11.48          5.70         49.60
HITK    HI-TECH PHARMACA             11.47          1.15         10.06
SPPI    SPECTRUM PHARMAC             11.44          5.19         45.41
TITN    TITAN MACHINERY              11.43          1.52         13.34
CVGW    CALAVO GROWERS I             11.39          1.35         11.87
ZEUS    OLYMPIC STEEL                11.37          1.04          9.14
CFSG    CHINA FIRE & SEC             11.32          0.92          8.15
PURE    PURE BIOSCIENCE              11.30          3.79         33.50
BOFI    BOFI HOLDING INC             11.27          0.78          6.96
AXAS    ABRAXAS PETRO                11.24          8.94         79.59
TOWN    TOWNE BANK                   11.19          2.58         23.06
COBZ    COBIZ FINANCIAL              11.18          3.47         31.00
EXAS    EXACT SCIENCES               11.16          5.70         51.08
KSWS    K-SWISS INC-A                11.15          3.01         27.01
MSPD    MINDSPEED TECHNO             11.12          3.47         31.21
ALNY    ALNYLAM PHARMACE             11.12          3.60         32.42
DECK    DECKERS OUTDOOR              11.10          4.12         37.08
PACW    PACWEST BANCORP              11.06          3.27         29.55
SINA    SINA CORP                    11.06          6.20         56.03
MVIS    MICROVISION INC              11.02         10.27         93.22
SIVB    SVB FINANCIAL GR             10.97          4.59         41.87
ZIXI    ZIX CORP                     10.92          6.59         60.39
ALTH    ALLOS THERAPEUT              10.85          8.31         76.56
GERN    GERON CORP                   10.76         13.37        124.20
SOHU    SOHU.COM INC                 10.76          3.31         30.78
PANL    UNIVERSAL DISPLA             10.75          4.20         39.12
TXRH    TEXAS ROADHOUS               10.70          6.63         61.96
ARUN    ARUBA NETWORKS I             10.68         10.05         94.06
FINL    FINISH LINE-A                10.68          5.44         50.91
CBST    CUBIST PHARM                 10.67          6.31         59.15
AXTI    AXT INC                      10.58          3.29         31.13
HNSN    HANSEN MEDICAL I             10.51          5.02         47.71
NSPH    NANOSPHERE INC               10.51          2.43         23.12
SLXP    SALIX PHARM                  10.46          5.86         56.07
SSYS    STRATASYS INC                10.44          2.06         19.70
PDLI    PDL BIOPHARMA IN             10.40         14.41        138.56
VALU    VALUE LINE INC               10.40          0.14          1.35
BPAX    BIOSANTE PHARMA              10.39          9.37         90.15
XNPT    XENOPORT INC                 10.39          3.53         34.00
CCMP    CABOT MICROELEC              10.39          2.36         22.76
QTWW    QUANTUM FUEL SYS             10.38          1.09         10.52
HERO    HERCULES OFFSHOR             10.36         11.45        110.51
DEPO    DEPOMED INC                  10.32          5.14         49.80
PRSP    PROSPERITY BNCSH             10.31          4.43         42.95
JCOM    J2 GLOBAL COMM               10.31          4.52         43.89
BLTI    BIOLASE TECHNOLO             10.25          2.47         24.09
DRIV    DIGITAL RIVER                10.25          3.92         38.26
CECO    CAREER EDUCATION             10.24          6.21         60.62
BPFH    BOSTON PRIV FINL             10.23          7.57         74.02
BWLD    BUFFALO WILD WIN             10.22          1.72         16.86
OSTK    OVERSTOCK.COM                10.21          2.11         20.63
MCBC    MACATAWA BANK                10.21          1.41         13.85
GLUU    GLU MOBILE INC               10.20          4.45         43.60
AUTC    AUTOCHINA INTERN             10.20          0.66          6.42
VPHM    VIROPHARMA INC               10.19          7.70         75.56
WBSN    WEBSENSE INC                 10.19          4.10         40.27
BGCP    BGC PARTNERS-A               10.14          6.68         65.92
KEYW    KEYW HOLDING COR             10.11          1.59         15.71
AMAG    AMAG PHARMACEUTI             10.09          2.07         20.51
ICON    ICONIX BRAND GRO             10.09          7.13         70.67
DGIT    DG FASTCHANNEL               10.04          2.49         24.82
XLNX    XILINX INC                   10.03         26.15        260.74

-- Bloomberg News To contact Bloomberg News for this story: +1-212-318-2000 or newsdev@bloomberg.net

-0- May/04/2011 20:30 GMT

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