Largest Nasdaq Short Interest Positions as of Feb. 29

The following are the 100 largest short interest positions on the Nasdaq Stock Market as of the Feb. 29 settlement date.



Ticker                                                           Avg. Daily 
Symbol   Company                    Feb. 29        Feb. 15        Volume       
=============================================================================
SIRI     SIRIUS XM RADIO           285,847,828    273,099,537     56,846,316
FTR      FRONTIER COMMUNI          173,941,139    165,731,165     33,102,670
INTC     INTEL CORP                 99,542,746    103,422,076     44,272,510
ESRX     EXPRESS SCRIPT             93,479,969     92,667,424      9,391,221
QQQ      POWERSH-QQQ                78,523,067     73,497,691     53,858,714
DELL     DELL INC                   63,173,306     69,517,855     26,512,803
MSFT     MICROSOFT CORP             61,489,992     55,428,243     52,873,021
RIMM     RESEARCH IN MOTI           59,214,549     55,904,812     13,308,239
RRD      RR DONNELLEY & S           55,419,607     54,615,131      6,559,545
CSCO     CISCO SYSTEMS              52,434,453     52,620,626     38,871,055
MU       MICRON TECH                52,057,565     50,921,383     34,023,888
CPST     CAPSTONE TURBINE           40,408,439     40,259,476      5,279,986
HGSI     HUMAN GENOME SCI           38,299,322     36,223,385      7,049,950
WIN      WINDSTREAM CORP            37,272,952     31,388,574      7,566,751
JBLU     JETBLUE AIRWAYS            35,854,542     37,706,207      8,670,132
CLWR     CLEARWIRE -CL A            35,614,379     32,834,437     17,649,396
VMED     VIRGIN MEDIA INC           32,770,149     31,179,259      3,543,947
DNDN     DENDREON CORP              31,758,197     32,230,466     11,375,772
CMCSA    COMCAST CORP-A             31,148,361     31,232,905     17,667,409
SVNT     SAVIENT PHARMACE           30,278,201     29,309,785        982,040
SPLS     STAPLES INC                29,957,584     28,338,592     10,805,604
SGEN     SEATTLE GENETICS           29,921,513     29,670,966      1,114,994
MYL      MYLAN INC                  29,274,797     30,630,467      7,153,506
YHOO     YAHOO! INC                 27,996,626     26,366,458     19,127,092
ZNGA     ZYNGA INC- CL A            25,917,765     27,607,369      6,591,936
ORCL     ORACLE CORP                25,840,982     24,977,978     28,994,264
CDNS     CADENCE DESIGN             25,664,839     25,964,868      3,147,868
ILMN     ILLUMINA INC               25,389,555     25,363,154      2,510,539
AVNR     AVANIR PHARM INC           25,343,278     25,928,909        879,582
ARNA     ARENA PHARMACEUT           25,332,031     23,163,201      9,698,820
TSLA     TESLA MOTORS               25,124,319     24,628,815      1,119,129
ATVI     ACTIVISION BLIZZ           25,104,682     21,390,623     10,615,048
CTIC     CELL THERAPEUTIC           24,917,884     24,272,916      5,337,959
NWSA     NEWS CORP-A                24,218,032     23,184,282     18,675,978
AONE     A123 SYSTEMS INC           23,356,444     21,653,575      2,532,324
RFMD     RF MICRO DEVICES           22,918,952     24,857,770      4,032,425
CIEN     CIENA CORP                 21,908,837     22,452,698      6,101,099
SQNM     SEQUENOM INC               21,848,415     21,235,547      2,066,947
GMCR     GREEN MOUNTAIN             21,157,035     22,495,957      4,063,132
KITD     KIT DIGITAL INC            21,125,723     20,060,726        741,701
OCZ      OCZ TECHNOLOGY             21,049,932     20,633,017      2,100,921
EA       ELECTRONIC ARTS            20,853,208     17,401,393      6,152,971
NKTR     NEKTAR THERAPEUT           20,637,827     20,393,196      1,416,410
CIGX     STAR SCIENTIFIC            20,297,399     20,010,955      2,204,121
LRCX     LAM RESEARCH               19,384,779     20,077,597      3,129,206
ARUN     ARUBA NETWORKS I           19,149,064     19,125,134      3,812,070
GRPN     GROUPON INC                19,026,896     18,396,790      1,752,445
ATPG     ATP OIL & GAS              18,616,660     18,534,936      3,445,307
FSLR     FIRST SOLAR INC            18,602,299     13,685,921      6,690,100
FAST     FASTENAL CO                18,447,778     18,324,388      1,880,334
ATML     ATMEL CORP                 18,392,869     14,412,276      6,511,545
DWA      DREAMWORKS ANI-A           18,280,915     19,211,880      1,266,607
NTAP     NETAPP INC                 18,172,153     17,175,639      8,755,294
MCHP     MICROCHIP TECH             18,103,548     19,963,304      1,565,395
GTAT     GT ADVANCED TECH           18,080,118     16,357,913      2,618,204
AMAT     APPLIED MATERIAL           18,062,920     19,751,895     19,386,492
EXEL     EXELIXIS INC               18,016,081     15,996,442      2,056,463
MNKD     MANNKIND CORP              17,807,397     14,606,250      3,185,415
DTV      DIRECTV-A                  17,772,771     18,417,283      7,851,651
INCY     INCYTE CORP                17,613,190     17,451,476      1,519,044
EXPE     EXPEDIA INC                17,351,078     17,323,027      3,048,810
BPAX     BIOSANTE PHARMA            17,324,420     16,666,456     11,587,072
ZION     ZIONS BANCORP              17,306,101     18,043,991      3,717,294
NVDA     NVIDIA CORP                17,167,331     17,843,944     18,862,269
DVAX     DYNAVAX TECHNOLO           17,040,186     16,340,117      1,268,476
AMLN     AMYLIN PHARM INC           16,948,364     16,462,437      2,985,503
PDLI     PDL BIOPHARMA IN           16,399,853     15,230,745      1,589,250
VVUS     VIVUS INC                  16,202,189     15,333,464     22,723,226
AXAS     ABRAXAS PETRO              16,148,925     16,018,504      1,277,564
QCOM     QUALCOMM INC               15,880,341     14,017,464     11,316,594
BPOP     POPULAR INC                15,867,882     13,721,890      8,805,767
TXN      TEXAS INSTRUMENT           15,729,390     17,455,272      6,621,825
SPPI     SPECTRUM PHARMAC           15,697,250     15,787,776      1,645,486
TTWO     TAKE-TWO INTERAC           15,688,268     15,858,006      1,333,133
COCO     CORINTHIAN COLLE           15,382,537     17,244,981      1,974,247
SATC     SATCON TECH                15,256,750     15,241,534      1,168,218
CREE     CREE INC                   15,231,720     15,240,541      3,376,741
NUAN     NUANCE COMMUNICA           14,750,186     14,944,909      6,748,940
AMRN     AMARIN CORP -ADR           14,685,718     14,281,900      3,050,662
HCBK     HUDSON CITY BNCP           14,558,482     15,389,352      4,165,195
AMGN     AMGEN INC                  14,503,934     14,052,642      4,498,654
PBCT     PEOPLE'S UNITED            14,439,660     14,078,947      3,504,563
WEN      WENDY'S CO/THE             14,356,812     13,725,351      3,936,909
AMKR     AMKOR TECH INC             14,170,751     14,273,084      2,024,872
SYMC     SYMANTEC CORP              13,895,897     14,466,053      5,404,973
THQI     THQ INC                    13,764,658     13,802,744        946,274
EBAY     EBAY INC                   13,684,277     10,269,312     12,217,442
JASO     JA SOLAR HOL-ADR           13,654,116     12,592,339      6,597,696
JRCC     JAMES RIVER COAL           13,621,038     14,020,634      2,493,908
ONTY     ONCOTHYREON INC            13,546,688     13,407,580      1,022,122
INFY     INFOSYS LTD-ADR            13,526,991     13,062,214      1,642,314
URRE     URANIUM RES INC            13,391,652     13,102,759      2,408,828
QCOR     QUESTCOR PHARM             13,311,765     12,348,054      3,202,209
URBN     URBAN OUTFITTER            13,197,919     13,352,469      2,758,239
ADBE     ADOBE SYS INC              13,184,593     13,931,769      3,654,492
TIVO     TIVO INC                   13,145,497     13,255,752      3,167,514
AMSC     AMER SUPERCONDTR           13,006,494     12,576,229        564,173
FNSR     FINISAR CORP               12,922,824     13,022,505      2,728,406
WTSLA    WET SEAL INC -A            12,914,503     12,039,482      1,059,542
MAKO     MAKO SURGICAL              12,759,612     12,480,040        849,094

*-- Data includes ETF positions.

-- Bloomberg News

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