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



                               Short Interest   Short Interest  Equity Float 
Ticker  Name                      / Float %     (In mln shrs)   (In mln shrs)
=============================================================================
TSLA    TESLA MOTORS                 72.37          7.46         10.30
RBCN    RUBICON TECHNOLO             56.41          9.72         17.23
PWER    POWER-ONE INC                44.72         38.25         85.52
CONN    CONN'S INC                   44.12          6.11         13.84
CADX    CADENCE PHARMACE             39.63         13.74         34.68
ATPG    ATP OIL & GAS                38.38         17.03         44.37
CTCT    CONSTANT CONTACT             37.74         10.48         27.76
NILE    BLUE NILE INC                37.49          5.33         14.22
BBBB    BLACKBOARD INC               36.28         12.00         33.07
PETS    PETMED EXPRESS               35.50          7.02         19.77
VECO    VEECO INSTRUMENT             34.92         13.76         39.40
CCME    CHINA MEDIAEXPRE             34.70          4.81         13.86
NTRI    NUTRISYSTEM INC              34.64          8.32         24.02
SOMX    SOMAXON PHARMACE             34.23         10.75         31.41
CHBT    CHINA-BIOTICS IN             33.03          3.60         10.89
LPHI    LIFE PARTNERS HO             32.27          2.36          7.32
COCO    CORINTHIAN COLLE             32.11         24.43         76.09
SHLD    SEARS HOLDINGS               31.97         12.61         39.43
TZOO    TRAVELZOO INC                31.73          1.75          5.53
EBIX    EBIX INC                     31.16          8.46         27.14
CIEN    CIENA CORP                   30.93         28.14         90.97
QSII    QUALITY SYSTEMS              29.89          5.72         19.15
LNET    LODGENET INTERAC             29.86          4.62         15.47
SNIC    SONIC SOLUTIONS              29.73         13.74         46.22
FSLR    FIRST SOLAR INC              29.64         16.43         55.45
GMCR    GREEN MOUNTAIN               28.82         28.55         99.06
OPEN    OPENTABLE INC                28.74          4.66         16.22
ENTR    ENTROPIC COMMUNI             28.35         20.00         70.53
CALM    CAL-MAINE FOODS              28.31          3.65         12.90
ARNA    ARENA PHARMACEUT             28.12         33.74        119.99
SYNA    SYNAPTICS INC                27.94          9.23         33.04
WRLD    WORLD ACCEPTANCE             27.34          4.03         14.74
PFCB    PF CHANG'S CHINA             27.23          6.15         22.57
DMND    DIAMOND FOODS                27.14          5.75         21.20
SODA    SODASTREAM INTER             26.67          1.67          6.26
FPTB    FIRST PACTRUST               26.46          0.25          0.93
TSTC    TELESTONE TECHNO             26.17          1.92          7.33
NETL    NETLOGIC MICROSY             26.13         14.90         57.03
HRBN    HARBIN ELECTRIC              26.10          5.25         20.13
ENOC    ENERNOC INC                  25.87          4.16         16.10
ALGT    ALLEGIANT TRAVEL             25.80          3.76         14.56
MNKD    MANNKIND CORP                25.65         19.20         74.84
AMSC    AMER SUPERCONDTR             25.33         11.03         43.56
SPWRA   SUNPOWER CORP-A              25.31         13.59         53.71
CCRT    COMPUCREDIT HOLD             25.28          3.21         12.71
INWK    INNERWORKINGS IN             25.23          6.78         26.87
ENER    ENERGY CONV DEV              25.13         12.36         49.18
OREX    OREXIGEN THERAPE             24.96          6.88         27.57
CBOE    CBOE HOLDINGS IN             24.77          3.06         12.37
FSYS    FUEL SYSTEMS SOL             24.62          3.77         15.33
MELA    MELA SCIENCES IN             24.35          5.87         24.09
STEC    STEC INC                     23.88          9.69         40.58
MATK    MARTEK BIOSCIENC             23.43          7.70         32.88
ECHO    ECHO GLOBAL LOGI             23.42          2.44         10.40
MAKO    MAKO SURGICAL                23.39          6.60         28.21
TRLG    TRUE RELIGION AP             23.28          5.50         23.64
JRCC    JAMES RIVER COAL             23.26          6.35         27.31
STRA    STRAYER EDUCATIO             23.24          3.05         13.14
CVBF    CVB FINANCIAL                23.06         19.46         84.37
QNST    QUINSTREET INC               22.98          5.83         25.39
CSTR    COINSTAR INC                 22.95          7.18         31.28
PRAA    PORTFOLIO RECOVE             22.94          3.83         16.68
LOCM    LOCAL.COM CORP               22.82          3.53         15.45
CAVM    CAVIUM NETWORKS              22.74          8.83         38.83
SQNM    SEQUENOM INC                 22.69         16.65         73.39
TAYC    TAYLOR CAPITAL               22.58          2.21          9.78
BIOD    BIODEL INC                   22.44          4.78         21.28
KNSY    KENSEY NASH CORP             22.39          1.71          7.64
CBEH    CHINA INTEGRATED             22.18          2.64         11.89
CREE    CREE INC                     22.14         22.13         99.96
CAGC    CHINA AGRITECH               22.11          2.82         12.76
MNTA    MOMENTA PHARMACE             21.98          9.12         41.49
OZRK    BANK OZARKS                  21.90          3.00         13.70
GRMN    GARMIN LTD                   21.82         23.23        106.48
AUXL    AUXILIUM PHARMAC             21.34         10.12         47.42
NFLX    NETFLIX INC                  21.25         10.23         48.13
ATHN    ATHENAHEALTH INC             20.78          6.71         32.27
MMYT    MAKEMYTRIP LTD               20.60          1.03          5.00
LOGM    LOGMEIN INC                  20.56          3.00         14.59
AMED    AMEDISYS INC                 20.30          5.79         28.51
FFBH    FIRST FED BNCSHS             20.28          0.69          3.39
GRNB    GREEN BANKSHARES             20.00          2.19         10.97
REXX    REX ENERGY CORP              19.81          6.23         31.47
SVNT    SAVIENT PHARMACE             19.66         13.64         69.40
MERU    MERU NETWORKS IN             19.60          1.82          9.28
MBLX    METABOLIX INC                19.58          4.80         24.53
ZAGG    ZAGG INC                     19.56          3.20         16.35
CPLA    CAPELLA EDUCATIO             19.55          2.95         15.07
QDEL    QUIDEL CORP                  19.51          4.79         24.57
DCTH    DELCATH SYSTEMS              19.20          7.93         41.33
BRLI    BIO-REFER LABS               19.10          4.69         24.57
PEET    PEETS COFFEE &               19.09          2.40         12.58
PLCE    CHILDRENS PLACE              19.09          4.25         22.26
CLWR    CLEARWIRE -CL A              19.02         31.32        164.69
STXS    STEREOTAXIS INC              18.82          6.98         37.07
RLOC    REACHLOCAL INC               18.65          1.39          7.47
UBSI    UNITED BANKSHS               18.46          7.01         37.97
GSIC    GSI COMMERCE INC             18.43         11.39         61.79
BONT    BON-TON STORES               18.41          2.33         12.67
BJRI    BJ'S RESTAURANTS             18.17          3.93         21.65
HAWK    SEAHAWK DRILLING             18.16          1.93         10.62
LBTYA   LIBERTY GLOBAL-A             18.13         19.36        106.78
GFRE    GULF RESOURCES I             18.07          3.20         17.73
EHTH    EHEALTH INC                  18.05          3.94         21.81
ALGN    ALIGN TECHNOLOGY             17.96         10.10         56.21
CLNE    CLEAN ENERGY FUE             17.93          8.29         46.22
NVTL    NOVATEL WIRELESS             17.90          5.59         31.24
CSGP    COSTAR GROUP INC             17.87          3.49         19.54
HIBB    HIBBETT SPORTS I             17.85          4.94         27.68
JBLU    JETBLUE AIRWAYS              17.82         42.62        239.13
VVUS    VIVUS INC                    17.75         14.18         79.87
PSUN    PAC SUNWEAR CAL              17.63          9.57         54.28
NUVA    NUVASIVE INC                 17.53          6.88         39.28
CRWN    CROWN MEDIA HL-A             17.51          4.37         24.93
JAKK    JAKKS PACIFIC                17.50          4.72         26.97
IRDM    IRIDIUM COMMUNIC             17.46          8.00         45.80
MIPS    MIPS TECH INC                17.44          8.70         49.89
AONE    A123 SYSTEMS INC             17.29         15.54         89.86
CIGX    STAR SCIENTIFIC              17.29         13.32         77.04
PEGA    PEGASYSTEMS INC              17.27          2.78         16.09
ACOR    ACORDA THERAPEUT             17.20          6.62         38.49
CLDA    CLINICAL DATA IN             17.14          3.17         18.50
FUQI    FUQI INTERNATION             17.06          2.48         14.53
APWR    A-POWER ENERGY G             16.99          5.61         33.01
ARUN    ARUBA NETWORKS I             16.96         14.33         84.46
SFSF    SUCCESSFACTORS I             16.94         11.20         66.15
LULU    LULULEMON ATH                16.88          8.92         52.84
CBPO    CHINA BIOLOGIC P             16.69          1.15          6.87
TMRK    TERREMARK WORLDW             16.68          8.29         49.71
LWAY    LIFEWAY FOODS                16.66          0.79          4.75
RJET    REPUBLIC AIRWAYS             16.63          8.21         49.38
YRCW    YRC WORLDWIDE IN             16.49          7.83         47.48
IDCC    INTERDIGITAL INC             16.39          7.12         43.43
KITD    KIT DIGITAL INC              16.38          4.40         26.84
PNSN    PENSON WORLDWIDE             16.32          3.11         19.05
WATG    WONDER AUTO TECH             16.30          3.91         23.97
JOSB    JOS A BANK CLOTH             16.10          4.40         27.32
SIGA    SIGA TECH INC                15.95          5.58         34.97
DECK    DECKERS OUTDOOR              15.87          5.14         32.36
SSYS    STRATASYS INC                15.85          3.13         19.72
IMGN    IMMUNOGEN INC                15.78         10.62         67.28
SLAB    SILICON LABS                 15.72          5.94         37.77
ADTN    ADTRAN INC                   15.63          8.87         56.71
VITC    VITACOST.COM INC             15.61          1.88         12.05
SATC    SATCON TECH                  15.59         13.43         86.16
ZOLT    ZOLTEK COS                   15.54          4.30         27.69
MCRL    MICREL INC                   15.37          6.28         40.87
CLDX    CELLDEX THERAPEU             15.36          4.67         30.37
SPMD    SUPERMEDIA INC               15.36          2.32         15.10
WIBC    WILSHIRE BANCORP             15.32          2.99         19.52
DEAR    DEARBORN BANCORP             15.26          1.00          6.52
CNQR    CONCUR TECH INC              15.26          6.46         42.31
EDMC    EDUCATION MGMT               15.02          4.89         32.53
AIRM    AIR METHODS CORP             14.97          1.68         11.24
TXRH    TEXAS ROADHOUS               14.96          9.19         61.40
CSKI    CHINA SKY ONE ME             14.94          1.52         10.14
CEPH    CEPHALON INC                 14.86         11.03         74.22
COLM    COLUMBIA SPORTSW             14.79          1.67         11.29
CBEY    CBEYOND INC                  14.77          4.30         29.07
STEI    STEWART ENTERP-A             14.76         11.94         80.90
QCOR    QUESTCOR PHARM               14.76          7.91         53.64
BSDM    BSD MEDICAL                  14.73          2.81         19.05
CVVT    CHINA VALVES TEC             14.73          2.90         19.68
CYTX    CYTORI THERAPEUT             14.70          6.08         41.33
LOGI    LOGITECH INTL-R              14.60         27.97        191.61
AFFX    AFFYMETRIX INC               14.59          9.49         65.00
POWI    POWER INTEGRATIO             14.51          3.98         27.41
PACR    PACER INTL INC               14.48          5.00         34.53
AMKR    AMKOR TECH INC               14.43         15.70        108.83
TTWO    TAKE-TWO INTERAC             14.42         10.16         70.49
PANL    UNIVERSAL DISPLA             14.41          4.67         32.38
PSSI    PSS WORLD MEDICA             14.33          7.76         54.10
ZUMZ    ZUMIEZ INC                   14.29          3.00         21.03
DRIV    DIGITAL RIVER                14.27          5.49         38.46
ALTH    ALLOS THERAPEUT              14.18         10.95         77.24
PWAV    POWERWAVE TECH               14.16         18.74        132.28
INCY    INCYTE CORP                  14.16         15.64        110.45
AVNR    AVANIR PHARM INC             14.08         13.42         95.35
PACB    PACIFIC BIOSCIEN             14.07          2.14         15.21
SGEN    SEATTLE GENETICS             13.99         13.75         98.27
KERX    KERYX BIOPHARM               13.99          8.18         58.45
ALIM    ALIMERA SCIENCES             13.91          0.99          7.14
ARGN    AMERIGON INC                 13.86          2.84         20.49
THQI    THQ INC                      13.86          9.29         67.03
SIGM    SIGMA DESIGNS                13.84          4.04         29.17
ABAT    ADVANCED BATTERY             13.80          9.28         67.25
EQIX    EQUINIX INC                  13.75          6.26         45.49
CCMP    CABOT MICROELEC              13.73          3.13         22.82
VPRT    VISTAPRINT NV                13.73          5.74         41.83
DEER    DEER CONSUMER PR             13.72          2.37         17.29
BWLD    BUFFALO WILD WIN             13.66          2.29         16.74
DISCA   DISCOVERY COMM-A             13.65         18.29        134.00
ATHR    ATHEROS COMMUNIC             13.59          9.62         70.76
CASB    CASCADE FINL CRP             13.56          1.29          9.51
PACW    PACWEST BANCORP              13.53          3.98         29.42
RDEA    ARDEA BIOSCIENCE             13.45          2.63         19.59
CAKE    CHEESECAKE FACTO             13.37          7.40         55.37
BCRX    BIOCRYST PHARM               13.36          5.24         39.23
AAON    AAON INC                     13.28          1.55         11.64
CPHD    CEPHEID INC                  13.27          7.80         58.76
LLEN    L&L ENERGY INC               13.26          2.97         22.39
VLCM    VOLCOM INC                   13.18          2.35         17.80
YONG    YONGYE INTERNATI             13.18          5.12         38.85
FNSR    FINISAR CORP                 13.18          9.93         75.33
TIVO    TIVO INC                     13.16         14.98        113.82
CMLS    CUMULUS MEDIA-A              13.14          2.68         20.43
MASI    MASIMO CORP                  13.11          6.61         50.40
USNA    USANA HEALTH SCI             13.06          0.69          5.26
BOFI    BOFI HOLDING INC             13.01          0.90          6.96
PODD    INSULET CORP                 13.00          5.14         39.56
ICUI    ICU MEDICAL                  12.96          1.55         11.97
CSIQ    CANADIAN SOLAR I             12.90          3.80         29.45
TOWN    TOWNE BANK                   12.83          2.46         19.14
GHDX    GENOMIC HEALTH I             12.78          2.06         16.14
FSIN    FUSHI COPPERWELD             12.78          3.14         24.59
ISIL    INTERSIL CORP-A              12.76         15.76        123.54
FAST    FASTENAL CO                  12.71         16.74        131.71
OCLR    OCLARO INC                   12.71          6.29         49.44
CRUS    CIRRUS LOGIC INC             12.71          8.27         65.10
OSTK    OVERSTOCK.COM                12.64          2.59         20.50
NGSX    NEUROGESX INC                12.64          1.09          8.66
MINI    MOBILE MINI                  12.63          4.44         35.19
IMMU    IMMUNOMEDICS INC             12.62          8.97         71.06
HITK    HI-TECH PHARMACA             12.58          1.30         10.31
ERII    ENERGY RECOVERY              12.57          4.17         33.16
CERN    CERNER CORP                  12.49          8.95         71.60
CHCO    CITY HOLDING CO              12.44          1.84         14.78
HTWR    HEARTWARE INTERN             12.43          1.31         10.58
MOLX    MOLEX INC                    12.42          7.61         61.26
TITN    TITAN MACHINERY              12.41          1.72         13.84
IDXX    IDEXX LABS                   12.40          7.05         56.82
HEV     ENER1 INC                    12.36          6.52         52.78
THRX    THERAVANCE                   12.33          7.19         58.31
PTEN    PATTERSON-UTI                12.18         18.40        151.09
URBN    URBAN OUTFITTER              12.12         15.71        129.64
SMT     SMART TECHNOL-A              12.05          5.34         44.31
LANC    LANCASTER COLONY             12.05          2.46         20.45
OSBC    OLD SECOND BNCRP             11.98          1.39         11.59
FFIN    FIRST FIN BANKSH             11.98          2.33         19.43
MELI    MERCADOLIBRE INC             11.97          3.62         30.23
GTXI    GTX INC                      11.96          2.69         22.47
CRZO    CARRIZO OIL&GAS              11.92          3.76         31.51
RITT    RIT TECHNOLOGIES             11.91          0.08          0.71
ACOM    ANCESTRY.COM INC             11.89          2.06         17.36
LEAP    LEAP WIRELESS                11.87          7.32         61.69
SCHS    SCHOOL SPECIALTY             11.87          2.15         18.13
MOTR    MOTRICITY INC                11.81          3.08         26.11
NLST    NETLIST INC                  11.78          1.67         14.17
ZIXI    ZIX CORP                     11.74          6.44         54.87
CBST    CUBIST PHARM                 11.74          6.92         58.99
AMTD    TD AMERITRADE HO             11.71         26.08        222.82
LIWA    LIHUA INTERNATIO             11.69          1.51         12.95
TCBI    TEXAS CAPITAL BA             11.68          4.04         34.55
ALTI    ALTAIR NANOTECHN             11.67          0.65          5.55
ALSK    ALASKA COMM SYS              11.53          5.01         43.48
VLNC    VALENCE TECH                 11.49          8.36         72.75
CPTS    CONCEPTUS INC                11.48          3.52         30.65
ESLR    EVERGREEN SOLAR              11.43         21.55        188.44
CAAS    CHINA AUTOMOTIVE             11.40          1.11          9.74
TWGP    TOWER GROUP INC              11.40          4.32         37.88
ABCW    ANCHOR BANCRP WI             11.33          2.06         18.15
ICON    ICONIX BRAND GRO             11.30          7.97         70.51
DTSI    DTS INC                      11.27          1.91         16.96
APRI    APRICUS BIOSCIEN             11.24          1.14         10.17
SEED    ORIGIN AGRITECH              11.24          1.57         13.97
HOGS    ZHONGPIN INC                 11.23          2.91         25.93
MXWL    MAXWELL TECH INC             11.21          2.75         24.54
AFFY    AFFYMAX INC                  11.21          2.37         21.18
GIII    G III APPAREL                11.20          1.76         15.74
SCHL    SCHOLASTIC CORP              11.17          3.13         28.03
SFLY    SHUTTERFLY INC               11.14          2.75         24.68
HA      HAWAIIAN HOLDING             11.12          5.26         47.32
OSIR    OSIRIS THERAPEUT             11.07          1.67         15.06
ENZN    ENZON PHARMACEUT             11.04          5.77         52.29
FIRE    SOURCEFIRE INC               11.03          2.69         24.42
SGMO    SANGAMO BIOSCIEN             11.02          4.68         42.46
WTFC    WINTRUST FINL                11.01          3.71         33.69
BGCP    BGC PARTNERS-A               10.97          6.68         60.84
RUE     RUE21 INC                    10.95          2.45         22.36
GBCI    GLACIER BANCORP              10.90          7.60         69.74
MCBC    MACATAWA BANK                10.88          1.75         16.09
FINL    FINISH LINE-A                10.86          5.50         50.64
DBRN    DRESS BARN INC               10.86          6.87         63.29
SLXP    SALIX PHARM                  10.84          6.07         56.01
FEED    AGFEED INDUSTRIE             10.83          3.77         34.85
JAZZ    JAZZ PHARMACEUTI             10.80          2.15         19.88
WTNY    WHITNEY HLDG                 10.79         10.07         93.28
PNBK    PATRIOT NATL BNC             10.75          0.23          2.14
ISIS    ISIS PHARM                   10.73         10.00         93.24
RRGB    RED ROBIN GOURME             10.68          1.50         14.02
RAIL    FREIGHTCAR AMERI             10.65          1.25         11.78
HOKU    HOKU CORP                    10.65          1.61         15.13
ZION    ZIONS BANCORP                10.61         18.41        173.55
CENX    CENTURY ALUMINUM             10.57          5.89         55.69
XLNX    XILINX INC                   10.57         27.35        258.73
CBOU    CARIBOU COFFEE               10.56          0.77          7.32
IDSA    INDUS SVCS AMER              10.55          0.41          3.88
SBAC    SBA COMM CORP-A              10.52         11.94        113.48
PNFP    PINNACLE FINL                10.48          3.29         31.40
RXII    RXI PHARMACEUTIC             10.44          1.59         15.23
THOR    THORATEC CORP                10.43          5.50         52.79
CCBG    CAP CITY BANK                10.41          1.02          9.76
GERN    GERON CORP                   10.39         12.25        117.84
BMTI    BIOMIMETIC THERA             10.39          2.03         19.58
MNRO    MONRO MUFFLER                10.36          1.96         18.89
MDAS    MEDASSETS INC                10.35          4.52         43.68
UTHR    UNITED THERAPEUT             10.33          5.03         48.76
RODM    RODMAN & RENSHAW             10.32          1.28         12.38
VIVO    MERIDIAN BIOSCI              10.31          4.08         39.58
FNFG    FIRST NIAGARA FI             10.29         21.31        206.97
NASB    NASB FINANCIAL               10.28          0.30          2.96
REGN    REGENERON PHARM              10.26          6.40         62.36
HSNI    HSN INC                      10.25          3.98         38.88
WABC    WESTAMERICA BANC             10.22          2.86         27.96
LOPE    GRAND CANYON EDU             10.20          3.30         32.34
SIVB    SVB FINANCIAL GR             10.19          4.22         41.46
PMBC    PACIFIC MERCANTL             10.17          0.97          9.57
CHNG    CHINA NATURAL GA             10.17          1.69         16.59
HWCC    HOUSTON WIRE & C             10.16          1.64         16.16
OVTI    OMNIVISION TECH              10.16          5.59         55.07
HEAT    SMARTHEAT INC                10.14          2.45         24.18
WBSN    WEBSENSE INC                 10.08          4.18         41.50
BUSE    FIRST BUSEY CORP             10.05          4.79         47.64
BSFT    BROADSOFT INC                10.01          0.95          9.48
POOL    POOL CORP                    10.01          4.73         47.24

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-0- Dec/27/2010 22:53 GMT

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