Palo Alto Investors

Palo Alto Investors as of June 30, 2013

Portfolio Holdings for Palo Alto Investors

Palo Alto Investors holds 32 positions in its portfolio as reported in the June 2013 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Onyx Pharmaceuticals 13.6 $115M 1.3M 86.82
ViroPharma Incorporated 13.4 $114M 4.0M 28.65
Cyberonics 11.4 $97M 1.9M 51.96
United Therapeutics Corporation (UTHR) 7.0 $59M 901k 65.82
Abiomed 5.9 $50M 2.3M 21.56
Auxilium Pharmaceuticals 5.6 $47M 2.8M 16.63
BioMarin Pharmaceutical (BMRN) 5.2 $44M 787k 55.74
AMAG Pharmaceuticals 4.4 $37M 1.7M 22.25
Cubist Pharmaceuticals 4.3 $37M 757k 48.29
Sequenom 4.1 $35M 8.2M 4.21
STAAR Surgical Company (STAA) 3.8 $33M 3.2M 10.15
Questcor Pharmaceuticals 3.7 $32M 696k 45.44
Vanda Pharmaceuticals (VNDA) 2.3 $19M 2.4M 8.08
Alimera Sciences 2.1 $18M 3.6M 4.88
Momenta Pharmaceuticals 2.1 $18M 1.2M 15.06
InterMune 2.0 $17M 1.8M 9.62
Rigel Pharmaceuticals (RIGL) 1.6 $13M 3.9M 3.34
Amicus Therapeutics (FOLD) 1.3 $11M 4.6M 2.33
Anacor Pharmaceuticals In 1.1 $9.0M 1.6M 5.59
AVEO Pharmaceuticals 1.0 $8.8M 3.5M 2.50
Qlt 1.0 $8.6M 2.0M 4.39
Savient Pharmaceuticals 0.6 $5.5M 9.7M 0.56
Insmed (INSM) 0.4 $3.2M 266k 11.96
Aegerion Pharmaceuticals 0.4 $3.1M 49k 63.34
Cytokinetics 0.4 $3.0M 262k 11.57
Spectrum Pharmaceuticals 0.3 $3.0M 396k 7.46
Kythera Biopharmaceuticals I 0.3 $2.3M 86k 27.05
XOMA CORP Common equity shares 0.2 $1.9M 523k 3.63
Hyperion Therapeutics 0.2 $1.8M 84k 22.00
Prothena (PRTA) 0.1 $1.1M 89k 12.92
Dendreon Corporation 0.1 $856k 208k 4.12
NxStage Medical 0.1 $630k 44k 14.28