BB Biotech

BB Biotech as of Sept. 30, 2011

Portfolio Holdings for BB Biotech

BB Biotech holds 20 positions in its portfolio as reported in the September 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Celgene Corporation 22.6 $192M 3.1M 61.91
Vertex Pharmaceuticals Incorporated (VRTX) 14.2 $121M 2.7M 44.46
Gilead Sciences (GILD) 11.9 $101M 2.6M 38.80
Incyte Corporation (INCY) 7.7 $65M 4.7M 13.97
ImmunoGen (IMGN) 5.2 $44M 4.0M 10.96
ISIS Pharmaceuticals 4.5 $38M 5.6M 6.78
Pharmasset 3.9 $33M 398k 82.37
Micromet 3.8 $32M 6.7M 4.80
BioMarin Pharmaceutical (BMRN) 3.6 $31M 976k 31.87
Halozyme Therapeutics (HALO) 3.6 $31M 5.0M 6.14
Alexion Pharmaceuticals 3.4 $29M 450k 64.06
Amylin Pharmaceuticals 2.6 $22M 2.4M 9.23
Optimer Pharmaceuticals 2.4 $20M 1.4M 13.84
Human Genome Sciences 2.3 $20M 1.6M 12.69
Theravance 2.0 $17M 843k 20.14
Amgen (AMGN) 1.9 $17M 300k 54.96
Dendreon Corporation 1.6 $14M 1.5M 9.00
Idenix Pharmaceuticals 1.5 $12M 2.5M 4.99
Achillion Pharmaceuticals 1.1 $9.5M 2.0M 4.72
Endocyte 0.4 $3.3M 308k 10.60