Largest Nasdaq Short Interest vs Free Float as of March 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 March 15 settlement date.



                               Short Interest   Short Interest  Equity Float 
Ticker  Name                      / Float %     (In mln shrs)   (In mln shrs)
=============================================================================
CCME    CHINA MEDIAEXPRE             57.58          8.07         14.01
RBCN    RUBICON TECHNOLO             55.48          9.56         17.23
PWER    POWER-ONE INC                44.44         38.05         85.62
CADX    CADENCE PHARMACE             42.66         14.67         34.39
BBBB    BLACKBOARD INC               40.57         13.48         33.24
ENTR    ENTROPIC COMMUNI             40.32         29.40         72.91
CSTR    COINSTAR INC                 39.25         12.31         31.36
CONN    CONN'S INC                   38.86          6.33         16.28
CTCT    CONSTANT CONTACT             38.43         10.88         28.32
TSLA    TESLA MOTORS                 38.31         11.64         30.38
LPHI    LIFE PARTNERS HO             38.23          3.50          9.15
ATPG    ATP OIL & GAS                37.66         16.69         44.31
TZOO    TRAVELZOO INC                37.30          2.06          5.51
ZAGG    ZAGG INC                     36.37          5.95         16.35
COCO    CORINTHIAN COLLE             34.70         26.46         76.26
CBEH    CHINA INTEGRATED             34.65          4.12         11.89
CHBT    CHINA-BIOTICS IN             33.24          3.79         11.40
LNET    LODGENET INTERAC             33.03          5.86         17.74
PETS    PETMED EXPRESS               32.69          6.37         19.49
CALM    CAL-MAINE FOODS              31.17          4.04         12.96
NILE    BLUE NILE INC                31.16          4.49         14.40
SOMX    SOMAXON PHARMACE             30.90         12.69         41.06
AVNR    AVANIR PHARM INC             30.57         29.29         95.79
SHLD    SEARS HOLDINGS               30.20         11.50         38.09
SYNA    SYNAPTICS INC                29.93         10.02         33.48
LOGM    LOGMEIN INC                  29.79          4.89         16.41
MNKD    MANNKIND CORP                29.61         21.33         72.02
MERU    MERU NETWORKS IN             29.35          2.95         10.05
NTRI    NUTRISYSTEM INC              28.76          6.93         24.10
SPWRA   SUNPOWER CORP-A              28.76         14.71         51.15
FSLR    FIRST SOLAR INC              27.49         15.30         55.65
VECO    VEECO INSTRUMENT             27.26         10.94         40.15
CLWR    CLEARWIRE -CL A              26.86         45.33        168.75
CCRT    COMPUCREDIT HOLD             26.85          3.39         12.64
DMND    DIAMOND FOODS                26.74          5.67         21.19
STEC    STEC INC                     26.47         10.81         40.82
QSII    QUALITY SYSTEMS              26.35          5.05         19.17
OREX    OREXIGEN THERAPE             26.33          8.86         33.66
EHTH    EHEALTH INC                  26.22          5.41         20.61
OPEN    OPENTABLE INC                25.99          4.57         17.59
RLOC    REACHLOCAL INC               25.99          1.89          7.27
ARNA    ARENA PHARMACEUT             25.90         31.11        120.11
HRBN    HARBIN ELECTRIC              25.82          5.20         20.13
ENER    ENERGY CONV DEV              25.71         13.55         52.69
CIEN    CIENA CORP                   25.54         23.49         91.96
PEET    PEETS COFFEE &               25.33          3.18         12.56
ROYL    ROYALE ENERGY                25.25          1.84          7.31
EBIX    EBIX INC                     25.07          7.65         30.51
BRLI    BIO-REFER LABS               25.03          6.18         24.67
AMSC    AMER SUPERCONDTR             24.89         10.73         43.11
CLDA    CLINICAL DATA IN             24.73          1.85          7.49
FSYS    FUEL SYSTEMS SOL             24.56          3.28         13.37
MBLX    METABOLIX INC                24.35          5.98         24.55
LOCM    LOCAL.COM CORP               24.29          3.81         15.70
GMCR    GREEN MOUNTAIN               24.18         26.05        107.74
WRLD    WORLD ACCEPTANCE             23.93          3.59         15.01
NFLX    NETFLIX INC                  23.86         11.89         49.86
DCTH    DELCATH SYSTEMS              23.76          9.84         41.40
MAKO    MAKO SURGICAL                23.47          6.73         28.65
ECHO    ECHO GLOBAL LOGI             23.45          2.51         10.71
TRLG    TRUE RELIGION AP             23.40          5.48         23.42
MELA    MELA SCIENCES IN             23.39          5.64         24.10
REXX    REX ENERGY CORP              23.33          7.52         32.25
ALGT    ALLEGIANT TRAVEL             23.08          3.36         14.57
CREE    CREE INC                     22.91         23.02        100.47
TSTC    TELESTONE TECHNO             22.44          2.02          9.00
PFCB    PF CHANG'S CHINA             22.21          4.98         22.43
MIPS    MIPS TECH INC                22.19         11.55         52.03
JRCC    JAMES RIVER COAL             22.09          6.03         27.31
INWK    INNERWORKINGS IN             21.76          7.51         34.52
SATC    SATCON TECH                  21.66         19.12         88.27
LIWA    LIHUA INTERNATIO             21.59          3.18         14.73
QNST    QUINSTREET INC               21.51          5.82         27.06
ENOC    ENERNOC INC                  21.43          3.95         18.45
CPLA    CAPELLA EDUCATIO             21.32          3.17         14.86
CAGC    CHINA AGRITECH               21.25          2.72         12.80
QCOR    QUESTCOR PHARM               21.23         11.37         53.58
PLCE    CHILDRENS PLACE              21.08          4.70         22.29
STRA    STRAYER EDUCATIO             20.88          2.69         12.87
FFBH    FIRST FED BNCSHS             20.87          0.71          3.39
SVNT    SAVIENT PHARMACE             20.80         14.55         69.95
IRDM    IRIDIUM COMMUNIC             20.33          9.29         45.71
MNTA    MOMENTA PHARMACE             20.28          8.70         42.91
PSUN    PAC SUNWEAR CAL              20.17         10.14         50.28
CVVT    CHINA VALVES TEC             20.11          3.96         19.68
CEPH    CEPHALON INC                 20.03         14.96         74.66
VVUS    VIVUS INC                    19.90         15.96         80.22
OZRK    BANK OZARKS                  19.81          2.78         14.01
BJRI    BJ'S RESTAURANTS             19.67          4.30         21.84
LLEN    L&L ENERGY INC               19.64          4.67         23.78
SAFM    SANDERSON FARMS              19.58          3.66         18.71
BONT    BON-TON STORES               19.58          2.50         12.77
DEER    DEER CONSUMER PR             19.58          3.39         17.29
SPMD    SUPERMEDIA INC               19.50          2.92         14.99
JBLU    JETBLUE AIRWAYS              19.46         46.69        239.88
JOSB    JOS A BANK CLOTH             19.31          5.28         27.32
BIOD    BIODEL INC                   19.30          4.31         22.34
ATHN    ATHENAHEALTH INC             18.93          6.19         32.69
PRAA    PORTFOLIO RECOVE             18.86          3.15         16.71
CVBF    CVB FINANCIAL                18.85         15.93         84.52
NUVA    NUVASIVE INC                 18.85          7.44         39.46
AUXL    AUXILIUM PHARMAC             18.67          8.89         47.63
EDMC    EDUCATION MGMT               18.42          5.11         27.73
ZUMZ    ZUMIEZ INC                   18.39          3.99         21.69
IDCC    INTERDIGITAL INC             18.30          8.14         44.45
LOGI    LOGITECH INTL-R              18.28         30.35        165.99
AMED    AMEDISYS INC                 18.18          5.27         28.98
OSBC    OLD SECOND BNCRP             18.14          2.11         11.61
KNSY    KENSEY NASH CORP             18.09          1.39          7.67
CLNE    CLEAN ENERGY FUE             18.07          8.50         47.02
STXS    STEREOTAXIS INC              18.04          6.75         37.38
GRMN    GARMIN LTD                   18.02         21.87        121.33
RNOW    RIGHTNOW TECH                17.88          4.07         22.78
ACOR    ACORDA THERAPEUT             17.86          6.88         38.51
AUTC    AUTOCHINA INTERN             17.72          1.14          6.42
QDEL    QUIDEL CORP                  17.72          5.09         28.69
SMT     SMART TECHNOL-A              17.69          6.54         36.98
MOTR    MOTRICITY INC                17.64          5.24         29.68
KITD    KIT DIGITAL INC              17.64          4.67         26.50
LBTYA   LIBERTY GLOBAL-A             17.63         18.94        107.48
XOMA    XOMA LTD                     17.52          4.71         26.88
YRCW    YRC WORLDWIDE IN             17.43          8.32         47.71
SGMO    SANGAMO BIOSCIEN             17.37          7.43         42.80
CSKI    CHINA SKY ONE ME             17.03          1.75         10.29
CAVM    CAVIUM NETWORKS              17.02          6.96         40.88
ACOM    ANCESTRY.COM INC             16.92          3.10         18.31
RJET    REPUBLIC AIRWAYS             16.91          7.58         44.81
GRNB    GREEN BANKSHARES             16.83          1.84         10.96
LWAY    LIFEWAY FOODS                16.80          0.80          4.75
PACR    PACER INTL INC               16.80          5.80         34.53
NTSP    NETSPEND HOLDING             16.75          3.28         19.56
SIGA    SIGA TECH INC                16.70          6.12         36.64
YONG    YONGYE INTERNATI             16.70          6.49         38.85
SCHS    SCHOOL SPECIALTY             16.68          3.02         18.13
SQNM    SEQUENOM INC                 16.57         16.30         98.38
PODD    INSULET CORP                 16.52          6.93         41.95
CBEY    CBEYOND INC                  16.48          4.86         29.46
AFFX    AFFYMETRIX INC               16.47         10.32         62.61
GNOM    COMPLETE GENOMIC             16.38          1.12          6.83
CIGX    STAR SCIENTIFIC              16.36         13.41         81.95
TTWO    TAKE-TWO INTERAC             16.32         11.61         71.11
NETL    NETLOGIC MICROSY             16.12          9.82         60.89
GSIC    GSI COMMERCE INC             16.08          9.98         62.06
VITC    VITACOST.COM INC             15.96          1.92         12.05
TIVO    TIVO INC                     15.94         18.06        113.34
WTFC    WINTRUST FINL                15.93          5.37         33.73
CNQR    CONCUR TECH INC              15.87          6.91         43.52
VRA     VERA BRADLEY INC             15.75          1.73         11.00
CMLS    CUMULUS MEDIA-A              15.67          3.37         21.52
CSGP    COSTAR GROUP INC             15.62          3.07         19.62
JAKK    JAKKS PACIFIC                15.62          4.11         26.34
CYTX    CYTORI THERAPEUT             15.40          6.66         43.25
PACB    PACIFIC BIOSCIEN             15.34          3.16         20.63
ERII    ENERGY RECOVERY              15.32          5.09         33.20
MGIC    MAGIC SOFTWARE               15.28          2.06         13.45
NVTL    NOVATEL WIRELESS             15.26          4.77         31.23
STEI    STEWART ENTERP-A             15.15         12.00         79.21
ZOLT    ZOLTEK COS                   15.12          4.18         27.68
ALGN    ALIGN TECHNOLOGY             15.06          8.53         56.66
TAYC    TAYLOR CAPITAL               15.06          1.47          9.77
TCBI    TEXAS CAPITAL BA             15.05          5.24         34.83
ICUI    ICU MEDICAL                  15.00          1.81         12.05
PNSN    PENSON WORLDWIDE             14.94          2.92         19.53
WIBC    WILSHIRE BANCORP             14.93          2.91         19.52
AIRM    AIR METHODS CORP             14.93          1.68         11.28
KEYW    KEYW HOLDING COR             14.80          1.64         11.10
VLCM    VOLCOM INC                   14.74          2.64         17.92
RDEA    ARDEA BIOSCIENCE             14.70          2.45         16.70
CRWN    CROWN MEDIA HL-A             14.64          3.65         24.93
AONE    A123 SYSTEMS INC             14.64         13.25         90.54
CAR     AVIS BUDGET GROU             14.61         15.03        102.87
UBSI    UNITED BANKSHS               14.58          5.54         38.03
SFSF    SUCCESSFACTORS I             14.57          9.66         66.31
ABCW    ANCHOR BANCRP WI             14.50          2.63         18.15
HEV     ENER1 INC                    14.45          7.23         50.03
ENZN    ENZON PHARMACEUT             14.43          6.68         46.32
SGEN    SEATTLE GENETICS             14.33         15.79        110.20
CAST    CHINACAST EDUCAT             14.30          6.24         43.62
GHDX    GENOMIC HEALTH I             14.27          2.18         15.24
ABAT    ADVANCED BATTERY             14.18          9.54         67.25
THOR    THORATEC CORP                14.13          7.48         52.92
HBHC    HANCOCK HLDG CO              13.93          4.89         35.11
BDCO    BLUE DOLPHIN ENE             13.78          0.21          1.53
FSIN    FUSHI COPPERWELD             13.74          3.38         24.59
SCHL    SCHOLASTIC CORP              13.72          3.12         22.73
IMGN    IMMUNOGEN INC                13.72          9.24         67.36
EQIX    EQUINIX INC                  13.68          6.25         45.70
CLDX    CELLDEX THERAPEU             13.60          4.13         30.38
BSDM    BSD MEDICAL                  13.59          2.86         21.08
CHUX    O'CHARLEYS INC               13.56          2.70         19.91
PEGA    PEGASYSTEMS INC              13.55          2.19         16.14
WATG    WONDER AUTO TECH             13.55          3.25         23.97
GFRE    GULF RESOURCES I             13.44          2.38         17.73
HOKU    HOKU CORP                    13.41          1.89         14.12
PSSI    PSS WORLD MEDICA             13.32          7.26         54.52
BPAX    BIOSANTE PHARMA              13.29          8.95         67.33
RRGB    RED ROBIN GOURME             13.20          1.86         14.06
SINA    SINA CORP                    13.17          7.38         56.03
ALSK    ALASKA COMM SYS              13.15          5.71         43.44
CAKE    CHEESECAKE FACTO             13.12          7.35         55.98
ARUN    ARUBA NETWORKS I             13.11         12.24         93.34
VPRT    VISTAPRINT NV                13.00          5.17         39.82
DEAR    DEARBORN BANCORP             12.99          0.85          6.52
MMYT    MAKEMYTRIP LTD               12.99          1.59         12.23
CPHD    CEPHEID INC                  12.98          7.78         59.96
APWR    A-POWER ENERGY G             12.96          4.41         34.01
GPRE    GREEN PLAINS REN             12.95          2.63         20.33
KERX    KERYX BIOPHARM               12.90          7.58         58.79
CPST    CAPSTONE TURBINE             12.90         31.51        244.31
MOLX    MOLEX INC                    12.89          8.19         63.59
JAZZ    JAZZ PHARMACEUTI             12.85          2.73         21.25
HOGS    ZHONGPIN INC                 12.81          3.26         25.42
THQI    THQ INC                      12.79          8.59         67.13
AAON    AAON INC                     12.77          1.48         11.61
PNBK    PATRIOT NATL BNC             12.74          0.26          2.05
BWLD    BUFFALO WILD WIN             12.70          2.13         16.76
ULTA    ULTA SALON COSME             12.66          5.44         42.96
LULU    LULULEMON ATH                12.62          6.00         47.54
APRI    APRICUS BIOSCIEN             12.51          2.09         16.69
LHCG    LHC GROUP INC                12.44          1.93         15.52
WAVX    WAVE SYSTEMS-A               12.41          9.67         77.93
PANL    UNIVERSAL DISPLA             12.37          4.01         32.40
DRIV    DIGITAL RIVER                12.34          4.67         37.84
IMMU    IMMUNOMEDICS INC             12.26          8.73         71.20
NYMX    NYMOX PHARMACEUT             12.22          1.61         13.18
MINI    MOBILE MINI                  12.12          4.30         35.51
VLCCF   KNIGHTSBRIDGE TA             12.12          2.57         21.23
SSYS    STRATASYS INC                12.11          2.40         19.78
CBRL    CRACKER BARREL               12.11          2.73         22.57
HTWR    HEARTWARE INTERN             12.10          1.32         10.93
ZEUS    OLYMPIC STEEL                12.02          1.10          9.14
CPIX    CUMBERLAND PHARM             12.00          1.55         12.87
CSIQ    CANADIAN SOLAR I             11.99          3.53         29.45
TITN    TITAN MACHINERY              11.96          1.60         13.34
FFIN    FIRST FIN BANKSH             11.86          2.32         19.54
LEDS    SEMILEDS CORP/TW             11.81          0.72          6.11
BCRX    BIOCRYST PHARM               11.81          4.63         39.23
WERN    WERNER ENT                   11.79          5.13         43.47
FNFG    FIRST NIAGARA FI             11.77         24.37        207.05
FIRE    SOURCEFIRE INC               11.76          2.90         24.70
CBPO    CHINA BIOLOGIC P             11.75          1.37         11.65
DECK    DECKERS OUTDOOR              11.69          3.79         32.40
CERN    CERNER CORP                  11.68          8.36         71.54
CKEC    CARMIKE CINEMAS              11.68          1.29         11.06
MCHX    MARCHEX INC-B                11.60          0.59          5.13
ASNA    ASCENA RETAIL GR             11.54          7.24         62.75
WBSN    WEBSENSE INC                 11.51          4.63         40.27
INCY    INCYTE CORP                  11.47         12.70        110.72
PRXL    PAREXEL INTL                 11.47          6.53         56.95
VIVO    MERIDIAN BIOSCI              11.46          4.54         39.60
CHCO    CITY HOLDING CO              11.46          1.68         14.69
YUII    YUHE INTERNATION             11.45          1.32         11.54
LANC    LANCASTER COLONY             11.44          2.31         20.20
FINL    FINISH LINE-A                11.43          5.81         50.81
ZIXI    ZIX CORP                     11.40          6.89         60.39
ILMN    ILLUMINA INC                 11.40         14.27        125.21
AMKR    AMKOR TECH INC               11.37         12.86        113.14
IBKC    IBERIABANK CORP              11.34          2.88         25.35
MELI    MERCADOLIBRE INC             11.33          3.46         30.49
MNRO    MONRO MUFFLER                11.25          3.23         28.67
OCLR    OCLARO INC                   11.23          5.57         49.57
NASB    NASB FINANCIAL               11.16          0.33          2.94
PURE    PURE BIOSCIENCE              11.12          3.69         33.22
PACW    PACWEST BANCORP              11.11          3.28         29.55
CAAS    CHINA AUTOMOTIVE             11.08          1.08          9.74
OSTK    OVERSTOCK.COM                11.07          2.28         20.63
BOFI    BOFI HOLDING INC             11.04          0.77          6.97
LEAP    LEAP WIRELESS                11.01          6.76         61.40
RUTH    RUTH'S HOSPITALI             11.00          3.77         34.30
MASI    MASIMO CORP                  10.95          5.59         51.03
AMMD    AMER MED SYS HLD             10.89          8.29         76.10
HERO    HERCULES OFFSHOR             10.89         12.03        110.54
PSEC    PROSPECT CAPITAL             10.89          9.35         85.92
ZSTN    ZST DIGITAL NETW             10.87          0.55          5.06
BHLB    BERKSHIRE HILLS              10.84          1.46         13.44
TXRH    TEXAS ROADHOUS               10.82          6.70         61.95
TOWN    TOWNE BANK                   10.79          2.50         23.12
ICON    ICONIX BRAND GRO             10.74          7.59         70.69
OSIR    OSIRIS THERAPEUT             10.74          1.62         15.12
CBST    CUBIST PHARM                 10.69          6.32         59.15
SIVB    SVB FINANCIAL GR             10.68          4.47         41.85
VLNC    VALENCE TECH                 10.65          8.60         80.76
SPPI    SPECTRUM PHARMAC             10.64          4.83         45.41
XPRT    LECG CORP                    10.62          2.76         26.04
HSNI    HSN INC                      10.59          4.15         39.17
ZOLL    ZOLL MEDICAL                 10.57          2.28         21.53
BGCP    BGC PARTNERS-A               10.57          6.84         64.74
CHNG    CHINA NATURAL GA             10.56          1.75         16.59
OCZ     OCZ TECHNOLOGY               10.55          2.77         26.30
AVII    AVI BIOPHARMA                10.54         10.60        100.59
TWGP    TOWER GROUP INC              10.52          3.98         37.87
REFR    RESEARCH FRONT               10.52          1.78         16.90
NVAX    NOVAVAX INC                  10.50         10.21         97.17
DISCA   DISCOVERY COMM-A             10.50         14.11        134.44
ISIS    ISIS PHARM                   10.47          9.80         93.58
PEIX    PACIFIC ETHANOL              10.42          8.70         83.49
INFI    INFINITY PHARMAC             10.39          1.23         11.82
SFLY    SHUTTERFLY INC               10.39          2.65         25.47
KNDI    KANDI TECHNOLGIE             10.38          1.28         12.31
VICR    VICOR CORP                   10.37          2.05         19.80
HIBB    HIBBETT SPORTS I             10.36          2.88         27.78
COLM    COLUMBIA SPORTSW             10.33          1.24         12.03
FAST    FASTENAL CO                  10.26         13.53        131.96
RODM    RODMAN & RENSHAW             10.24          1.21         11.85
RUE     RUE21 INC                    10.23          2.30         22.47
CCMP    CABOT MICROELEC              10.20          2.32         22.78
HITK    HI-TECH PHARMACA             10.19          0.99          9.72
JCOM    J2 GLOBAL COMM               10.18          4.44         43.59
SYUT    SYNUTRA INTERNAT             10.16          1.76         17.30
PARD    PONIARD PHARMACE             10.15          4.07         40.07
SOLR    GT SOLAR INTERNA             10.14         12.56        123.83
UTHR    UNITED THERAPEUT             10.11          5.01         49.59
ATRN    ATRINSIC INC                 10.10          0.33          3.26
SGI     SILICON GRAPHICS             10.03          2.40         23.94
PMBC    PACIFIC MERCANTL             10.02          0.96          9.57
PNFP    PINNACLE FINL                10.01          3.17         31.70

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-0- Apr/04/2011 14:21 GMT

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