Largest Nasdaq Short Interest Positions as of Feb. 28

The following are the 100 largest short interest positions on the Nasdaq Stock Market as of the Feb. 28 settlement date.



Ticker                                                           Avg. Daily 
Symbol   Company                    Feb. 28        Feb. 15        Volume       
=============================================================================
SIRI     SIRIUS XM RADIO           247,615,861    250,788,824     68,418,588
LVLT     LEVEL 3 COMM INC           97,780,539     86,129,596     33,897,764
QQQQ     POWERSH-QQQ                92,649,342     91,181,838     66,392,741
MSFT     MICROSOFT CORP             86,227,271     87,864,472     61,024,234
YHOO     YAHOO! INC                 65,293,573     63,965,822     27,350,322
INTC     INTEL CORP                 61,657,654     62,350,079     60,501,944
DELL     DELL INC                   60,250,651     56,947,142     37,146,094
CSCO     CISCO SYSTEMS              55,837,318     53,484,160     78,640,407
CTIC     CELL THERAPEUTIC           52,130,019     51,722,712      5,628,442
MU       MICRON TECH                51,900,033     62,726,147     41,663,216
JBLU     JETBLUE AIRWAYS            46,281,014     44,850,289      6,912,217
CLWR     CLEARWIRE -CL A            43,686,768     36,836,276      8,076,362
CMCSA    COMCAST CORP-A             41,175,729     42,818,892     20,130,292
HBAN     HUNTINGTON BANC            37,314,891     34,385,039     21,399,515
PWER     POWER-ONE INC              35,403,862     37,258,601      6,392,348
CPST     CAPSTONE TURBINE           33,951,551     35,156,486      3,543,931
QCOM     QUALCOMM INC               33,802,993     35,205,360     14,816,418
LOGI     LOGITECH INTL-R            32,413,530     32,874,385      1,079,902
ARNA     ARENA PHARMACEUT           30,478,309     31,009,568      2,227,422
XLNX     XILINX INC                 29,918,936     30,837,602      3,695,005
MYL      MYLAN INC                  29,890,212     30,801,331      9,640,968
PBCT     PEOPLE'S UNITED            27,343,182     27,638,700      3,600,255
ENTR     ENTROPIC COMMUNI           27,293,451     28,269,981      4,170,094
VMED     VIRGIN MEDIA INC           26,693,467     27,067,933      3,724,285
JASO     JA SOLAR HOL-ADR           25,408,283     27,089,317     13,617,335
GMCR     GREEN MOUNTAIN             25,404,512     26,128,407      4,996,729
AVNR     AVANIR PHARM INC           25,279,606     20,968,094      4,425,395
COCO     CORINTHIAN COLLE           24,770,316     26,107,666      3,463,254
RFMD     RF MICRO DEVICES           24,103,456     22,622,923      6,996,677
GRMN     GARMIN LTD                 24,094,423     23,912,448      2,383,046
CIEN     CIENA CORP                 23,811,488     24,004,716      4,295,322
FNFG     FIRST NIAGARA FI           23,724,057     23,102,145      2,069,953
WIN      WINDSTREAM CORP            23,231,579     16,159,092      8,180,817
ORCL     ORACLE CORP                22,672,137     24,293,602     20,975,480
ERTS     ELECTRONIC ARTS            22,299,493     21,295,836      7,773,123
NVDA     NVIDIA CORP                22,275,296     20,950,599     37,773,972
CREE     CREE INC                   21,402,043     20,058,088      1,925,844
NWSA     NEWS CORP-A                20,881,468     23,252,646     16,278,855
RIMM     RESEARCH IN MOTI           20,862,325     24,377,737     10,093,635
MNKD     MANNKIND CORP              20,827,990     18,266,293      1,923,128
CDNS     CADENCE DESIGN             20,318,633     20,886,321      3,551,917
ONNN     ON SEMICONDUCTOR           19,907,681     19,421,085      6,648,481
ERIC     ERICSSON LM-ADR            19,661,305     20,060,650      3,780,798
ATVI     ACTIVISION BLIZZ           18,477,850     18,001,233     11,144,898
EBAY     EBAY INC                   18,328,079     21,716,195      9,717,780
TLAB     TELLABS INC                18,254,210     17,053,562      7,827,783
ZION     ZIONS BANCORP              18,137,029     21,649,243      3,568,142
LBTYA    LIBERTY GLOBAL-A           17,053,346     18,379,808      1,129,890
NTAP     NETAPP INC                 16,886,464     17,923,229     12,212,633
CVBF     CVB FINANCIAL              16,480,822     16,798,966        569,739
ATPG     ATP OIL & GAS              16,153,422     15,969,955      2,475,643
SGEN     SEATTLE GENETICS           15,920,449     15,316,959      1,080,687
SQNM     SEQUENOM INC               15,909,082     17,662,258      3,577,845
DISCA    DISCOVERY COMM-A           15,883,916     16,235,400      1,362,942
VVUS     VIVUS INC                  15,836,376     16,484,772      1,114,836
SATC     SATCON TECH                15,641,690     14,152,829      5,183,383
GILD     GILEAD SCIENCES            15,409,190     15,148,707      7,957,425
AMAT     APPLIED MATERIAL           15,405,814     19,332,910     19,982,180
ALTR     ALTERA CORP                15,276,607     15,545,060      5,629,128
CAR      AVIS BUDGET GROU           15,262,543     14,500,866      2,174,498
NUAN     NUANCE COMMUNICA           15,199,338     14,403,480      2,119,464
HCBK     HUDSON CITY BNCP           15,195,959     14,664,528      6,465,814
SPWRA    SUNPOWER CORP-A            15,179,014     14,418,672      5,922,805
ACAS     AMERICAN CAPITAL           15,133,768     14,127,995      5,165,772
AMTD     TD AMERITRADE HO           14,867,381     22,616,951      4,832,369
SVNT     SAVIENT PHARMACE           14,715,791     14,046,124      2,809,082
FSLR     FIRST SOLAR INC            14,686,214     15,480,876      2,345,094
CEPH     CEPHALON INC               14,343,608     14,334,500      1,591,033
CADX     CADENCE PHARMACE           14,304,995     14,125,711        371,914
SPLS     STAPLES INC                14,168,530     12,770,841     13,716,052
HGSI     HUMAN GENOME SCI           14,160,451     13,663,569      1,908,505
ARUN     ARUBA NETWORKS I           13,827,840     14,981,996      4,378,247
ADBE     ADOBE SYS INC              13,823,825     12,383,880      5,803,086
DNDN     DENDREON CORP              13,776,939     14,458,708      3,098,368
FAST     FASTENAL CO                13,768,973     15,546,130        811,648
DRYS     DRYSHIPS INC               13,733,836     13,622,313      8,549,402
CINF     CINCINNATI FIN             13,695,861     14,058,609        822,930
AMGN     AMGEN INC                  13,447,372     13,137,668      8,843,174
INCY     INCYTE CORP                13,389,951     13,925,907      1,040,031
SBAC     SBA COMM CORP-A            13,351,491     12,808,590      1,722,917
DTV      DIRECTV-A                  13,291,162     12,589,555      7,190,556
CIGX     STAR SCIENTIFIC            13,264,026     12,928,698      1,036,666
FITB     FIFTH THIRD BANC           13,253,822     15,917,498     15,315,395
BBBB     BLACKBOARD INC             13,068,196     13,191,776        908,903
TIVO     TIVO INC                   13,031,099     13,622,988      2,071,461
MCHP     MICROCHIP TECH             13,019,607     13,748,161      2,033,508
SWKS     SKYWORKS SOLUTIO           13,017,557     14,901,813      4,650,121
SOMX     SOMAXON PHARMACE           12,996,243     12,830,005        998,039
CMCSK    COMCAST CORP-SPL           12,842,539     13,072,739      5,611,113
ASBC     ASSOC BANC-CORP            12,752,217     12,663,868        856,998
AMKR     AMKOR TECH INC             12,750,110     12,946,619      1,825,819
ISIL     INTERSIL CORP-A            12,690,147     13,039,518      2,894,741
BRCM     BROADCOM CORP-A            12,630,409     13,775,244     10,467,881
ENER     ENERGY CONV DEV            12,203,651     11,972,407      1,250,374
STEI     STEWART ENTERP-A           11,985,457     11,950,767        701,405
NETL     NETLOGIC MICROSY           11,821,987     12,393,561      1,172,336
PTEN     PATTERSON-UTI              11,755,318     14,009,933      3,609,727
CSTR     COINSTAR INC               11,732,574      9,766,863      2,908,436
EXPE     EXPEDIA INC                11,725,109     14,782,918      7,289,466
MIPS     MIPS TECH INC              11,652,915     11,879,354      2,878,349

*-- Data includes ETF positions.

-- Bloomberg News To contact Bloomberg News for this story: +1-212-318-2000 or newsdev@bloomberg.net

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

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