Largest Nasdaq Short Interest Positions as of Oct. 31

The following are the 100 largest short interest positions on the Nasdaq Stock Market as of the Oct. 31 settlement date.



Ticker                                                           Avg. Daily 
Symbol   Company                    Oct. 31        Oct. 14        Volume       
=============================================================================
SIRI     SIRIUS XM RADIO           276,976,041    252,299,680     52,215,764
INTC     INTEL CORP                131,064,051    133,211,075     85,826,448
QQQ      POWERSH-QQQ               116,341,268    107,740,192     72,732,592
ESRX     EXPRESS SCRIPT             77,246,096     75,503,835      9,701,098
CSCO     CISCO SYSTEMS              71,877,446     80,654,410     48,551,263
MSFT     MICROSOFT CORP             60,634,137     77,420,416     58,410,750
DELL     DELL INC                   55,643,889     60,641,671     27,414,892
MU       MICRON TECH                49,755,581     49,724,420     32,997,205
CLWR     CLEARWIRE -CL A            46,678,430     47,836,475      8,574,570
RIMM     RESEARCH IN MOTI           46,371,993     40,334,119     16,330,862
YRCW     YRC WORLDWIDE IN           43,768,788     62,329,850     21,864,117
ORCL     ORACLE CORP                42,882,719     50,342,232     29,433,368
NWSA     NEWS CORP-A                42,804,342     51,785,855     24,373,980
CPST     CAPSTONE TURBINE           39,189,242     38,753,807      2,006,157
CMCSA    COMCAST CORP-A             36,337,012     39,235,555     21,130,178
WIN      WINDSTREAM CORP            34,380,049     33,935,353      5,916,783
YHOO     YAHOO! INC                 32,153,365     39,527,540     30,579,584
JBLU     JETBLUE AIRWAYS            31,693,329     35,092,306      4,219,670
AVNR     AVANIR PHARM INC           31,333,059     32,309,332        888,676
NVDA     NVIDIA CORP                30,953,332     35,332,766     15,144,873
RFMD     RF MICRO DEVICES           28,624,004     29,845,776      8,255,652
FAST     FASTENAL CO                27,880,336     30,140,725      2,881,410
SVNT     SAVIENT PHARMACE           26,835,587     25,858,018      1,317,446
MYL      MYLAN INC                  26,379,904     26,714,072      7,011,525
VMED     VIRGIN MEDIA INC           26,265,053     26,134,585      6,213,478
TSLA     TESLA MOTORS               24,934,508     23,587,621        934,421
GMCR     GREEN MOUNTAIN             24,748,979     17,068,121     14,638,291
COCO     CORINTHIAN COLLE           23,968,698     24,102,406      1,422,370
MNKD     MANNKIND CORP              23,724,428     24,051,889        716,758
DNDN     DENDREON CORP              23,574,415     23,937,015      4,237,711
CIEN     CIENA CORP                 23,472,175     25,427,116      6,676,635
SGEN     SEATTLE GENETICS           22,856,560     25,284,446      1,609,430
FSLR     FIRST SOLAR INC            22,432,277     21,075,414      7,109,156
CTIC     CELL THERAPEUTIC           22,295,443     21,283,176      1,294,247
SPLS     STAPLES INC                22,229,000     22,083,701      9,651,847
RRD      RR DONNELLEY & S           21,872,782     18,625,930      3,572,747
CDNS     CADENCE DESIGN             21,587,799     20,724,384      4,155,851
AXAS     ABRAXAS PETRO              21,568,532     22,430,048      1,760,402
ARUN     ARUBA NETWORKS I           21,459,638     22,203,750      2,827,837
MCHP     MICROCHIP TECH             21,380,528     22,373,443      2,688,053
XLNX     XILINX INC                 21,322,240     20,206,639      5,766,094
GTAT     GT ADVANCED TECH           20,822,203     20,093,469      2,996,596
SQNM     SEQUENOM INC               20,636,096     18,525,651      4,388,609
GRMN     GARMIN LTD                 20,627,874     21,687,826      1,041,076
ILMN     ILLUMINA INC               20,481,260     18,244,210      3,283,309
ARNA     ARENA PHARMACEUT           20,249,395     21,125,220      1,009,248
HGSI     HUMAN GENOME SCI           20,140,024     17,845,725     10,818,536
FITB     FIFTH THIRD BANC           19,756,238     18,593,551     21,795,660
BPAX     BIOSANTE PHARMA            18,971,739     18,964,405      1,616,286
BPOP     POPULAR INC                18,614,250      7,210,000     15,807,074
CHRS     CHARMING SHOPPES           18,573,827     19,408,822      2,233,906
AMGN     AMGEN INC                  18,412,459     21,123,872      6,007,118
AMAT     APPLIED MATERIAL           18,395,246     20,537,305     14,098,444
AONE     A123 SYSTEMS INC           18,392,126     17,848,333      2,263,908
EXPE     EXPEDIA INC                18,016,270     16,322,112      5,021,524
QCOM     QUALCOMM INC               17,960,708     20,652,688     15,774,169
ATPG     ATP OIL & GAS              17,777,092     19,263,955      1,397,183
CIGX     STAR SCIENTIFIC            17,685,658     18,451,753      1,290,885
URBN     URBAN OUTFITTER            17,462,431     17,194,490      3,236,056
OCZ      OCZ TECHNOLOGY             17,185,499     17,436,957      2,032,888
ATVI     ACTIVISION BLIZZ           17,121,405     15,308,144      9,837,716
ENTR     ENTROPIC COMMUNI           17,074,449     17,080,457      1,733,286
SATC     SATCON TECH                16,983,385     18,836,551        673,002
ERTS     ELECTRONIC ARTS            16,406,866     14,018,216      8,377,554
ZION     ZIONS BANCORP              16,365,305     16,872,621      5,214,057
CMCSK    COMCAST CORP-SPL           16,247,984     23,441,446      5,742,099
PDLI     PDL BIOPHARMA IN           16,190,938     16,498,360      1,472,471
DTV      DIRECTV-A                  16,092,572     18,061,867      6,152,919
VVUS     VIVUS INC                  16,009,390     16,505,277      1,015,289
NTAP     NETAPP INC                 15,690,113     16,356,888      7,608,599
NKTR     NEKTAR THERAPEUT           15,474,654     15,341,628      1,526,438
ARIA     ARIAD PHARM                15,431,657     16,021,320      2,904,411
NUAN     NUANCE COMMUNICA           15,339,183      8,039,631      8,195,387
STX      SEAGATE TECHNOLO           15,324,907     12,618,048     16,980,369
PWER     POWER-ONE INC              15,312,144     14,579,763      4,074,992
INCY     INCYTE CORP                15,062,458     16,722,017      1,379,706
CA       CA INC                     14,856,849     15,633,822      4,458,459
LULU     LULULEMON ATH              14,818,822     14,353,879      2,963,502
CREE     CREE INC                   14,732,082     15,572,931      3,997,126
ATML     ATMEL CORP                 14,620,554     12,660,785      8,232,258
ADBE     ADOBE SYS INC              14,557,473     16,584,250      7,417,122
DRYS     DRYSHIPS INC               14,443,086     14,583,291      6,281,772
SUSQ     SUSQUEHAN BNCSHS           14,435,693     15,362,330      1,934,900
EBAY     EBAY INC                   14,250,888     15,708,649     14,193,921
AMKR     AMKOR TECH INC             14,009,827     13,822,474      2,581,965
HBAN     HUNTINGTON BANC            13,854,719     13,513,718     24,978,435
MVIS     MICROVISION INC            13,833,941     13,820,634        557,472
JDSU     JDS UNIPHASE               13,721,180     13,003,885      7,920,792
ALTR     ALTERA CORP                13,654,653     13,777,334      7,619,378
HCBK     HUDSON CITY BNCP           13,497,905     14,269,545      8,905,840
SONS     SONUS NETWORKS             13,482,803     14,240,560      2,282,507
LOGI     LOGITECH INTER-R           13,481,873     14,132,276      1,266,418
CADX     CADENCE PHARMACE           13,378,156     13,665,043        314,714
TIVO     TIVO INC                   13,225,606     14,089,579      2,437,584
GERN     GERON CORP                 13,191,406     14,241,884      1,304,082
LEAP     LEAP WIRELESS              13,124,041     13,511,866      1,673,439
ENER     ENERGY CONV DEV            13,076,811     12,805,619        376,690
CTRP     CTRIP.COM-ADR              12,797,495     12,371,384      2,096,118
SYMC     SYMANTEC CORP              12,777,998      9,911,649     10,018,336
DVAX     DYNAVAX TECHNOLO           12,774,049     12,724,491      2,119,186

*-- Data includes ETF positions.

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