Perceptive Advisors

Perceptive Advisors as of Dec. 31, 2011

Portfolio Holdings for Perceptive Advisors

Perceptive Advisors holds 66 positions in its portfolio as reported in the December 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Pharmasset 13.4 $58M 452k 128.20
Celgene Corporation 11.2 $49M 721k 67.60
Ariad Pharmaceuticals 8.7 $38M 3.1M 12.25
Neurocrine Biosciences (NBIX) 6.5 $28M 3.3M 8.50
Allergan Inc Com Stk 6.1 $26M 300k 87.74
Aegerion Pharmaceuticals 4.8 $21M 1.3M 16.74
Vertex Pharmaceuticals Incorporated (VRTX) 4.8 $21M 627k 32.91
Seattle Genetics 3.2 $14M 820k 16.72
Shire 3.0 $13M 126k 103.90
Repros Therapeutics 2.6 $11M 2.3M 4.82
Endo Pharmaceuticals 2.5 $11M 312k 34.53
Capital Senior Living Corporation 2.4 $10M 1.3M 7.94
Novartis (NVS) 2.2 $9.7M 170k 57.17
Amgen 2.2 $9.5M 148k 64.21
Medivation 2.1 $9.2M 201k 46.11
Biogen Idec (BIIB) 1.8 $7.7M 70k 110.06
Mylan 1.6 $6.9M 320k 21.46
Trius Therapeutics 1.5 $6.6M 921k 7.15
Neptune Technologies Bioreso 1.5 $6.4M 2.7M 2.36
Thoratec Corporation 1.4 $6.3M 187k 33.56
AVI BioPharma ComStk Usd0.0001 1.0 $4.3M 5.8M 0.74
Array BioPharma 1.0 $4.2M 1.9M 2.16
WellPoint 0.9 $4.0M 60k 66.25
Hospira 0.9 $3.9M 128k 30.37
Regeneron Pharmaceuticals (REGN) 0.8 $3.3M 60k 55.43
Express Scripts 0.7 $3.1M 70k 44.69
NPS Pharmaceuticals 0.7 $3.1M 475k 6.59
Pharmacyclics 0.7 $3.0M 202k 14.82
Human Genome Sciences 0.7 $3.0M 400k 7.39
Perrigo Company 0.7 $2.9M 30k 97.30
Medtronic 0.7 $2.9M 75k 38.25
Gilead Sciences (GILD) 0.6 $2.7M 66k 40.93
Targacept 0.6 $2.5M 450k 5.57
Athersys 0.6 $2.5M 1.5M 1.73
Optimer Pharmaceuticals 0.6 $2.4M 200k 12.24
Onyx Pharmaceuticals 0.5 $2.1M 48k 43.96
Chelsea Therapeutics International 0.5 $2.1M 400k 5.13
Progenics Pharmaceuticals 0.4 $1.7M 201k 8.54
EXACT Sciences Corporation (EXAS) 0.4 $1.6M 200k 8.12
Keryx Biopharmaceuticals 0.3 $1.5M 600k 2.53
Dendreon Corporation 0.3 $1.5M 200k 7.60
Cutera (CUTR) 0.3 $1.4M 185k 7.45
Response Genetics (RGDXQ) 0.3 $1.4M 913k 1.53
Neostem (NBS) 0.3 $1.3M 2.6M 0.51
Transcept Pharmaceuticals 0.3 $1.2M 159k 7.84
Cell Therapeutics 0.3 $1.2M 1.0M 1.16
Amylin Pharmaceuticals 0.3 $1.1M 100k 11.38
Trinity Biotech (TRIB) 0.2 $1.0M 101k 10.18
Affymax (AFFY) 0.2 $990k 150k 6.61
Vivus 0.2 $975k 100k 9.75
Solta Medical 0.2 $840k 267k 3.14
BioSante Pharmaceuticals 0.1 $325k 650k 0.50
Ampio Pharmaceuticals 0.1 $320k 75k 4.27
LeMaitre Vascular (LMAT) 0.1 $221k 37k 5.91
Unilife Corp cs 0.0 $187k 60k 3.12
Uroplasty 0.0 $121k 28k 4.26
Curis 0.0 $140k 30k 4.67
Senesco Technologies 0.0 $116k 446k 0.26
Clovis Oncology 0.0 $141k 10k 14.10
Allos Therapeutics 0.0 $71k 50k 1.42
Orexigen Therapeutics 0.0 $25k 16k 1.59
Kensey Nash Corporation 0.0 $58k 3.0k 19.33
MELA Sciences 0.0 $37k 10k 3.70
MAKO Surgical 0.0 $63k 2.5k 25.20
Angeion Corporation 0.0 $33k 6.4k 5.19
Combimatrix Corporation *w exp 05/01/201 0.0 $7.0k 50k 0.14