Biotech Short Sellers Changing Beat (AMGN, GILD, BIIB, CELG, GENZ, LIFE, DNDN, HGSI, AMLN, OSIP)
Over the weekend we got to see some of the short interest changes for the key biotech stocks. While these was no clear unified directional move, there were some interesting changes seen. Amgen Inc. (NASDAQ: AMGN), Gilead Sciences Inc. (NASDAQ: GILD), Biogen Idec Inc. (NASDAQ: BIIB), Celgene Corporation (NASDAQ: CELG), and Genzyme Corp. (NASDAQ: GENZ). Due to growing market caps in the sector, we have also included Life Technologies Corporation (NASDAQ: LIFE), Dendreon Corp. (NASDAQ: DNDN), Human Genome Sciences Inc. (NASDAQ: HGSI), Amylin Pharmaceuticals, Inc. (NASDAQ: AMLN), and OSI Pharmaceuticals Inc. (NASDAQ: OSIP)in the run down this month.
Amgen Inc. (AMGN)
AS OF DATE Short Int. Change
9/30/2009 18,363,198.. 5% GAIN
9/15/2009 17,449,497
Gilead Sciences Inc. (NASDAQ: GILD)
AS OF DATE Short Int. Change
9/30/2009 16,015,311.. 3.8% GAIN
9/15/2009 15,466,285
Celgene Corporation (NASDAQ: CELG)
AS OF DATE Short Int. Change
9/30/2009 8,177,698.. 9% DROP
9/15/2009 8,935,957
Biogen Idec Inc. (NASDAQ: BIIB)
AS OF DATE Short Int. Change
9/30/2009 9,459,673.. 1% DROP
9/15/2009 9,565,418
Genzyme Corp. (NASDAQ: GENZ)
AS OF DATE Short Int. Change
9/30/2009 8,771,379.. 19% GAIN
9/15/2009 7,388,108
Life Technologies Corporation (NASDAQ: LIFE)
AS OF DATE Short Int. Change
9/30/2009 6,799,196.. 3% DROP
9/15/2009 7,033,841
Dendreon Corp. (NASDAQ: DNDN)
AS OF DATE Short Int. Change
9/30/2009 8,939,869.. 2% DROP
9/15/2009 9,146,253
Human Genome Sciences Inc. (NASDAQ: HGSI)
AS OF DATE Short Int. Change
9/30/2009 19,786,339.. 1% DROP
9/15/2009 19,867,823
Amylin Pharmaceuticals, Inc. (NASDAQ: AMLN)
AS OF DATE Short Int. Change
9/30/2009 13,171,869.. 5.7% DROP
9/15/2009 13,928,154
OSI Pharmaceuticals Inc. (NASDAQ: OSIP)
AS OF DATE Short Int. Change
9/30/2009 5,444,450.. 5.8% GAIN
9/15/2009 5,137,212
JON C. OGG
