Largest Nasdaq Short Interest vs Free Float as of Feb. 28

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 Feb. 28 settlement date.



                               Short Interest   Short Interest  Equity Float 
Ticker  Name                      / Float %     (In mln shrs)   (In mln shrs)
=============================================================================
RBCN    RUBICON TECHNOLO             58.29         10.04         17.23
CCME    CHINA MEDIAEXPRE             55.86          7.83         14.01
CONN    CONN'S INC                   41.66          6.46         15.50
PWER    POWER-ONE INC                41.37         35.40         85.57
BBBB    BLACKBOARD INC               39.31         13.07         33.24
TSLA    TESLA MOTORS                 39.28          9.88         25.15
ENTR    ENTROPIC COMMUNI             37.94         27.29         71.94
CTCT    CONSTANT CONTACT             37.78         10.51         27.82
CSTR    COINSTAR INC                 37.32         11.73         31.44
ZAGG    ZAGG INC                     36.68          6.00         16.35
LPHI    LIFE PARTNERS HO             36.59          3.35          9.15
ATPG    ATP OIL & GAS                36.46         16.15         44.31
PETS    PETMED EXPRESS               35.37          6.90         19.50
OREX    OREXIGEN THERAPE             34.80         10.00         28.73
CBEH    CHINA INTEGRATED             33.22          3.95         11.89
NTRI    NUTRISYSTEM INC              33.01          7.93         24.03
CHBT    CHINA-BIOTICS IN             32.85          3.74         11.40
LNET    LODGENET INTERAC             32.71          5.78         17.68
NILE    BLUE NILE INC                32.57          4.63         14.22
COCO    CORINTHIAN COLLE             32.48         24.77         76.26
SOMX    SOMAXON PHARMACE             32.29         13.00         40.25
TIBB    TIB FINANCIAL                31.04          0.04          0.11
TZOO    TRAVELZOO INC                30.27          1.67          5.53
SYNA    SYNAPTICS INC                29.99         10.04         33.48
SPWRA   SUNPOWER CORP-A              29.85         15.18         50.84
CALM    CAL-MAINE FOODS              29.10          3.77         12.96
SHLD    SEARS HOLDINGS               28.98         11.43         39.43
MNKD    MANNKIND CORP                28.91         20.83         72.05
MERU    MERU NETWORKS IN             28.48          2.65          9.29
EHTH    EHEALTH INC                  27.77          5.72         20.60
LOGM    LOGMEIN INC                  27.63          4.29         15.53
CCRT    COMPUCREDIT HOLD             26.89          3.41         12.67
QSII    QUALITY SYSTEMS              26.65          5.11         19.17
CADX    CADENCE PHARMACE             26.55         14.30         53.88
FSLR    FIRST SOLAR INC              26.48         14.69         55.45
DMND    DIAMOND FOODS                26.45          5.61         21.20
AVNR    AVANIR PHARM INC             26.39         25.28         95.79
CIEN    CIENA CORP                   26.14         23.81         91.10
MELA    MELA SCIENCES IN             26.10          6.29         24.09
AMSC    AMER SUPERCONDTR             25.91         11.17         43.11
CLWR    CLEARWIRE -CL A              25.89         43.69        168.75
VECO    VEECO INSTRUMENT             25.80         10.36         40.15
ARNA    ARENA PHARMACEUT             25.40         30.48        120.01
SODA    SODASTREAM INTER             25.32          1.59          6.26
TRLG    TRUE RELIGION AP             24.94          5.92         23.76
HRBN    HARBIN ELECTRIC              24.82          5.00         20.13
ECHO    ECHO GLOBAL LOGI             24.81          2.58         10.40
PFCB    PF CHANG'S CHINA             24.80          5.56         22.43
STEC    STEC INC                     24.69         10.08         40.82
MAKO    MAKO SURGICAL                24.67          6.96         28.22
RLOC    REACHLOCAL INC               24.53          1.83          7.46
BRLI    BIO-REFER LABS               24.41          6.01         24.60
LIWA    LIHUA INTERNATIO             24.40          3.16         12.95
PEET    PEETS COFFEE &               24.38          3.06         12.56
EBIX    EBIX INC                     24.30          7.41         30.51
TSTC    TELESTONE TECHNO             24.05          2.17          9.00
OPEN    OPENTABLE INC                23.88          4.08         17.07
GMCR    GREEN MOUNTAIN               23.58         25.40        107.74
DCTH    DELCATH SYSTEMS              23.46          9.69         41.31
LOCM    LOCAL.COM CORP               23.42          3.68         15.72
ENER    ENERGY CONV DEV              23.16         12.20         52.69
WRLD    WORLD ACCEPTANCE             23.13          3.47         15.01
MBLX    METABOLIX INC                23.10          5.67         24.53
ALGT    ALLEGIANT TRAVEL             23.07          3.36         14.58
MOTR    MOTRICITY INC                23.06          6.20         26.87
AUTC    AUTOCHINA INTERN             22.92          1.47          6.42
CAGC    CHINA AGRITECH               22.53          2.88         12.80
MIPS    MIPS TECH INC                22.40         11.65         52.03
CPLA    CAPELLA EDUCATIO             21.90          3.25         14.86
INWK    INNERWORKINGS IN             21.44          7.31         34.10
FSYS    FUEL SYSTEMS SOL             21.42          2.80         13.07
CREE    CREE INC                     21.30         21.40        100.47
SVNT    SAVIENT PHARMACE             21.28         14.72         69.14
QNST    QUINSTREET INC               21.18          5.72         27.01
SAFM    SANDERSON FARMS              20.93          3.93         18.78
AUXL    AUXILIUM PHARMAC             20.68          9.81         47.42
NFLX    NETFLIX INC                  20.64         10.29         49.84
OZRK    BANK OZARKS                  20.53          2.86         13.91
FFBH    FIRST FED BNCSHS             20.42          0.69          3.39
LLEN    L&L ENERGY INC               20.36          4.64         22.79
MNTA    MOMENTA PHARMACE             20.21          8.63         42.68
IRDM    IRIDIUM COMMUNIC             20.17          9.22         45.71
PRAA    PORTFOLIO RECOVE             20.08          3.36         16.73
ZUMZ    ZUMIEZ INC                   20.08          4.29         21.38
ENOC    ENERNOC INC                  20.06          3.38         16.82
VVUS    VIVUS INC                    19.91         15.84         79.54
GRMN    GARMIN LTD                   19.86         24.09        121.33
PLCE    CHILDRENS PLACE              19.80          4.41         22.29
REXX    REX ENERGY CORP              19.79          6.29         31.80
JOSB    JOS A BANK CLOTH             19.65          5.37         27.32
STRA    STRAYER EDUCATIO             19.59          2.52         12.87
CVBF    CVB FINANCIAL                19.54         16.48         84.36
PSUN    PAC SUNWEAR CAL              19.53          9.92         50.80
LOGI    LOGITECH INTL-R              19.53         32.41        165.99
NETL    NETLOGIC MICROSY             19.42         11.82         60.87
JBLU    JETBLUE AIRWAYS              19.36         46.28        239.01
QCOR    QUESTCOR PHARM               19.24         10.38         53.91
BIOD    BIODEL INC                   19.24          4.23         21.97
CEPH    CEPHALON INC                 19.21         14.34         74.66
ACOR    ACORDA THERAPEUT             19.14          7.37         38.49
CVVT    CHINA VALVES TEC             19.03          3.74         19.68
CAVM    CAVIUM NETWORKS              18.88          7.35         38.91
NUVA    NUVASIVE INC                 18.68          7.37         39.45
RXII    RXI PHARMACEUTIC             18.66          3.42         18.32
GRNB    GREEN BANKSHARES             18.30          2.01         10.97
ATHN    ATHENAHEALTH INC             18.27          5.97         32.68
KNSY    KENSEY NASH CORP             18.22          1.40          7.67
BONT    BON-TON STORES               18.21          2.33         12.77
STXS    STEREOTAXIS INC              18.18          6.74         37.07
SATC    SATCON TECH                  18.16         15.64         86.16
EDMC    EDUCATION MGMT               18.15          5.03         27.73
YRCW    YRC WORLDWIDE IN             18.02          8.56         47.48
AMED    AMEDISYS INC                 18.01          5.22         28.97
BJRI    BJ'S RESTAURANTS             17.97          3.89         21.64
QDEL    QUIDEL CORP                  17.94          5.15         28.69
DEER    DEER CONSUMER PR             17.91          3.10         17.29
CRWN    CROWN MEDIA HL-A             17.82          4.44         24.93
SQNM    SEQUENOM INC                 17.78         15.91         89.48
GSIC    GSI COMMERCE INC             17.72         10.88         61.44
SMT     SMART TECHNOL-A              17.65          6.53         36.98
ALIM    ALIMERA SCIENCES             17.62          1.26          7.14
XOMA    XOMA LTD                     17.60          4.55         25.87
JRCC    JAMES RIVER COAL             17.53          4.79         27.31
IDCC    INTERDIGITAL INC             17.39          7.73         44.46
SIGA    SIGA TECH INC                17.36          5.97         34.37
PACR    PACER INTL INC               17.17          5.93         34.53
OSBC    OLD SECOND BNCRP             17.11          1.99         11.61
PACB    PACIFIC BIOSCIEN             17.01          3.51         20.63
KITD    KIT DIGITAL INC              16.86          4.47         26.50
CSKI    CHINA SKY ONE ME             16.80          1.70         10.14
RJET    REPUBLIC AIRWAYS             16.77          7.81         46.59
CIGX    STAR SCIENTIFIC              16.72         13.26         79.31
SPMD    SUPERMEDIA INC               16.56          2.50         15.08
YONG    YONGYE INTERNATI             16.50          6.41         38.85
CLNE    CLEAN ENERGY FUE             16.48          7.53         45.72
GNOM    COMPLETE GENOMIC             16.46          1.13          6.86
LWAY    LIFEWAY FOODS                16.41          0.78          4.75
NTSP    NETSPEND HOLDING             16.21          3.15         19.44
TTWO    TAKE-TWO INTERAC             16.18         11.52         71.24
PODD    INSULET CORP                 16.15          6.38         39.50
CBEY    CBEYOND INC                  16.10          4.68         29.07
VITC    VITACOST.COM INC             15.96          1.92         12.05
AFFX    AFFYMETRIX INC               15.96         10.01         62.76
VRA     VERA BRADLEY INC             15.95          1.75         11.00
TAYC    TAYLOR CAPITAL               15.95          1.56          9.78
ERII    ENERGY RECOVERY              15.90          5.28         33.21
LBTYA   LIBERTY GLOBAL-A             15.87         17.05        107.48
CSGP    COSTAR GROUP INC             15.71          3.08         19.62
SGMO    SANGAMO BIOSCIEN             15.39          6.58         42.80
PNSN    PENSON WORLDWIDE             15.29          2.90         18.96
ALGN    ALIGN TECHNOLOGY             15.26          8.66         56.76
RDEA    ARDEA BIOSCIENCE             15.26          2.43         15.92
CNQR    CONCUR TECH INC              15.17          6.60         43.52
RNOW    RIGHTNOW TECH                15.15          3.38         22.32
STEI    STEWART ENTERP-A             15.13         11.99         79.22
TCBI    TEXAS CAPITAL BA             15.12          5.27         34.83
ARUN    ARUBA NETWORKS I             15.09         13.83         91.63
WATG    WONDER AUTO TECH             15.08          3.62         23.97
NVTL    NOVATEL WIRELESS             15.03          4.69         31.23
CYTX    CYTORI THERAPEUT             14.99          6.20         41.35
JAKK    JAKKS PACIFIC                14.96          4.03         26.92
ABAT    ADVANCED BATTERY             14.89         10.01         67.25
FUQI    FUQI INTERNATION             14.87          2.16         14.53
CAR     AVIS BUDGET GROU             14.84         15.26        102.83
ZOLT    ZOLTEK COS                   14.75          4.08         27.68
AIRM    AIR METHODS CORP             14.68          1.65         11.21
WTFC    WINTRUST FINL                14.67          4.93         33.64
UBSI    UNITED BANKSHS               14.66          5.57         38.03
PACW    PACWEST BANCORP              14.64          4.31         29.44
ICUI    ICU MEDICAL                  14.62          1.76         12.05
WIBC    WILSHIRE BANCORP             14.58          2.85         19.52
SGEN    SEATTLE GENETICS             14.45         15.92        110.20
MGIC    MAGIC SOFTWARE               14.38          1.93         13.45
VLCM    VOLCOM INC                   14.31          2.56         17.91
HEV     ENER1 INC                    14.24          7.02         49.30
SFSF    SUCCESSFACTORS I             14.24          9.44         66.30
ABCW    ANCHOR BANCRP WI             14.22          2.58         18.15
CAKE    CHEESECAKE FACTO             14.16          7.93         55.98
SCHS    SCHOOL SPECIALTY             14.14          2.56         18.13
MOLX    MOLEX INC                    14.13          8.99         63.59
PEGA    PEGASYSTEMS INC              14.11          2.28         16.14
ENZN    ENZON PHARMACEUT             14.09          6.52         46.27
IMGN    IMMUNOGEN INC                14.00          9.43         67.36
CPST    CAPSTONE TURBINE             13.90         33.95        244.31
MCRL    MICREL INC                   13.88          5.72         41.23
LULU    LULULEMON ATH                13.88          6.60         47.54
VLCCF   KNIGHTSBRIDGE TA             13.58          2.88         21.23
APWR    A-POWER ENERGY G             13.52          4.60         34.01
CLDX    CELLDEX THERAPEU             13.46          4.09         30.38
CLDA    CLINICAL DATA IN             13.45          2.62         19.50
DRIV    DIGITAL RIVER                13.40          5.06         37.79
DECK    DECKERS OUTDOOR              13.32          4.31         32.36
EQIX    EQUINIX INC                  13.31          6.08         45.70
DEAR    DEARBORN BANCORP             13.16          0.86          6.52
THOR    THORATEC CORP                13.14          6.96         52.99
BSDM    BSD MEDICAL                  13.13          2.77         21.08
JAZZ    JAZZ PHARMACEUTI             13.10          2.60         19.87
FSIN    FUSHI COPPERWELD             13.07          3.21         24.59
ACOM    ANCESTRY.COM INC             13.04          2.35         18.00
NYMX    NYMOX PHARMACEUT             12.94          1.70         13.18
AONE    A123 SYSTEMS INC             12.89         11.58         89.86
CPHD    CEPHEID INC                  12.88          7.68         59.62
SCHL    SCHOLASTIC CORP              12.87          2.94         22.87
GHDX    GENOMIC HEALTH I             12.83          2.14         16.71
BWLD    BUFFALO WILD WIN             12.81          2.15         16.76
HBHC    HANCOCK HLDG CO              12.77          4.48         35.12
HIBB    HIBBETT SPORTS I             12.76          3.54         27.77
PNBK    PATRIOT NATL BNC             12.64          0.26          2.05
KERX    KERYX BIOPHARM               12.64          7.38         58.42
ULTA    ULTA SALON COSME             12.58          5.41         42.96
VPRT    VISTAPRINT NV                12.57          5.11         40.63
KEYW    KEYW HOLDING COR             12.54          1.48         11.82
PSSI    PSS WORLD MEDICA             12.53          6.79         54.18
HOKU    HOKU CORP                    12.52          1.77         14.12
MDAS    MEDASSETS INC                12.44          5.44         43.72
SLAB    SILICON LABS                 12.41          4.73         38.12
AAON    AAON INC                     12.41          1.44         11.64
BPAX    BIOSANTE PHARMA              12.37          8.33         67.33
GFRE    GULF RESOURCES I             12.34          2.19         17.73
HITK    HI-TECH PHARMACA             12.30          1.27         10.31
LHCG    LHC GROUP INC                12.30          1.91         15.52
MELI    MERCADOLIBRE INC             12.29          3.75         30.49
CHUX    O'CHARLEYS INC               12.27          2.45         20.00
THQI    THQ INC                      12.26          8.23         67.13
ALTH    ALLOS THERAPEUT              12.25          9.47         77.24
CPTS    CONCEPTUS INC                12.25          3.75         30.65
ALSK    ALASKA COMM SYS              12.21          5.30         43.44
ASNA    ASCENA RETAIL GR             12.18          7.71         63.30
IMMU    IMMUNOMEDICS INC             12.15          8.65         71.20
INCY    INCYTE CORP                  12.09         13.39        110.74
LNCE    SNYDERS-LANCE                12.02          1.12          9.33
GBCI    GLACIER BANCORP              11.97          8.35         69.80
MINI    MOBILE MINI                  11.97          4.21         35.14
CBPO    CHINA BIOLOGIC P             11.97          1.39         11.65
HTWR    HEARTWARE INTERN             11.93          1.30         10.94
WAVX    WAVE SYSTEMS-A               11.91          9.28         77.93
PANL    UNIVERSAL DISPLA             11.82          3.83         32.40
DISCA   DISCOVERY COMM-A             11.81         15.88        134.44
SBAC    SBA COMM CORP-A              11.77         13.35        113.43
PARD    PONIARD PHARMACE             11.67          4.68         40.07
LEDS    SEMILEDS CORP/TW             11.64          0.71          6.11
BCRX    BIOCRYST PHARM               11.63          4.56         39.23
TXRH    TEXAS ROADHOUS               11.61          7.20         61.98
SSYS    STRATASYS INC                11.60          2.29         19.77
CMLS    CUMULUS MEDIA-A              11.57          2.50         21.61
APRI    APRICUS BIOSCIEN             11.56          1.77         15.28
XLNX    XILINX INC                   11.56         29.92        258.80
HOGS    ZHONGPIN INC                 11.52          2.99         25.93
TITN    TITAN MACHINERY              11.51          1.53         13.34
OCLR    OCLARO INC                   11.49          5.70         49.57
FNFG    FIRST NIAGARA FI             11.47         23.72        206.77
FFIN    FIRST FIN BANKSH             11.45          2.24         19.54
TIVO    TIVO INC                     11.45         13.03        113.82
MASI    MASIMO CORP                  11.43          5.83         51.03
PURE    PURE BIOSCIENCE              11.31          3.76         33.27
AMKR    AMKOR TECH INC               11.30         12.75        112.81
CERN    CERNER CORP                  11.26          8.06         71.52
BGCP    BGC PARTNERS-A               11.22          6.82         60.82
CKEC    CARMIKE CINEMAS              11.20          1.19         10.61
LANC    LANCASTER COLONY             11.16          2.26         20.20
ICON    ICONIX BRAND GRO             11.15          7.89         70.74
AMMD    AMER MED SYS HLD             11.14          8.48         76.09
OSTK    OVERSTOCK.COM                11.13          2.27         20.44
VIVO    MERIDIAN BIOSCI              11.12          4.40         39.60
BOFI    BOFI HOLDING INC             11.11          0.77          6.97
CBOU    CARIBOU COFFEE               11.06          0.81          7.32
CASB    CASCADE FINL CRP             11.04          1.05          9.51
NASB    NASB FINANCIAL               11.02          0.32          2.94
WBSN    WEBSENSE INC                 11.00          4.43         40.27
RRGB    RED ROBIN GOURME             10.99          1.55         14.06
CHCO    CITY HOLDING CO              10.96          1.62         14.78
OSIR    OSIRIS THERAPEUT             10.89          1.64         15.09
PEIX    PACIFIC ETHANOL              10.84          8.42         77.69
UTHR    UNITED THERAPEUT             10.84          5.37         49.59
CPIX    CUMBERLAND PHARM             10.83          1.38         12.77
LEAP    LEAP WIRELESS                10.82          6.65         61.41
IBKC    IBERIABANK CORP              10.82          2.74         25.33
FINL    FINISH LINE-A                10.79          5.48         50.81
FIRE    SOURCEFIRE INC               10.79          2.64         24.43
CECO    CAREER EDUCATION             10.77          6.51         60.39
CAAS    CHINA AUTOMOTIVE             10.73          1.05          9.74
RUTH    RUTH'S HOSPITALI             10.73          3.68         34.30
COLM    COLUMBIA SPORTSW             10.65          1.26         11.85
CROX    CROCS INC                    10.58          8.83         83.48
INFI    INFINITY PHARMAC             10.55          1.25         11.82
SPPI    SPECTRUM PHARMAC             10.50          4.61         43.89
PMBC    PACIFIC MERCANTL             10.50          1.00          9.57
PSEC    PROSPECT CAPITAL             10.48          9.00         85.92
ISIS    ISIS PHARM                   10.47          9.76         93.23
YUII    YUHE INTERNATION             10.46          1.21         11.54
ZIXI    ZIX CORP                     10.45          6.02         57.60
GPRE    GREEN PLAINS REN             10.45          2.09         20.00
ZION    ZIONS BANCORP                10.45         18.14        173.56
ZEUS    OLYMPIC STEEL                10.44          0.95          9.14
FAST    FASTENAL CO                  10.43         13.77        131.96
AMAG    AMAG PHARMACEUTI             10.43          2.14         20.51
TOWN    TOWNE BANK                   10.43          2.39         22.89
CHNG    CHINA NATURAL GA             10.42          1.73         16.59
AVII    AVI BIOPHARMA                10.39         10.17         97.93
WERN    WERNER ENT                   10.36          4.49         43.38
REFR    RESEARCH FRONT               10.35          1.72         16.61
ZOLL    ZOLL MEDICAL                 10.34          2.23         21.53
TRGL    TOREADOR RES                 10.33          2.41         23.32
VLNC    VALENCE TECH                 10.32          8.34         80.76
TWGP    TOWER GROUP INC              10.32          3.91         37.91
CCMP    CABOT MICROELEC              10.29          2.34         22.77
ISIL    INTERSIL CORP-A              10.28         12.69        123.50
MVIS    MICROVISION INC              10.27          8.88         86.51
BHLB    BERKSHIRE HILLS              10.23          1.37         13.41
SIVB    SVB FINANCIAL GR             10.22          4.28         41.88
MNRO    MONRO MUFFLER                10.20          2.92         28.67
GIII    G III APPAREL                10.18          1.61         15.79
POWI    POWER INTEGRATIO             10.18          2.79         27.37
VCLK    VALUECLICK INC               10.16          7.91         77.86
RUE     RUE21 INC                    10.16          2.28         22.44
SOHU    SOHU.COM INC                 10.13          3.12         30.78
ASTM    AASTROM BIOSCIEN             10.09          3.54         35.13
HSNI    HSN INC                      10.06          3.94         39.15
PNFP    PINNACLE FINL                10.05          3.19         31.71
PRXL    PAREXEL INTL                 10.04          5.72         56.95
JCOM    J2 GLOBAL COMM               10.03          4.37         43.59
CBST    CUBIST PHARM                 10.03          5.93         59.15

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-0- Mar/16/2011 18:59 GMT

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