Palo Alto Investors

Palo Alto Investors as of Dec. 31, 2013

Portfolio Holdings for Palo Alto Investors

Palo Alto Investors holds 34 positions in its portfolio as reported in the December 2013 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Cyberonics 11.9 $128M 2.0M 65.42
United Therapeutics Corporation (UTHR) 11.6 $124M 1.1M 113.08
Auxilium Pharmaceuticals 9.4 $101M 4.9M 20.73
Cubist Pharmaceuticals 8.6 $92M 1.3M 68.87
Abiomed 6.7 $72M 2.7M 26.74
InterMune 5.2 $56M 3.8M 14.73
Questcor Pharmaceuticals 4.9 $53M 964k 54.45
BioMarin Pharmaceutical (BMRN) 4.9 $52M 741k 70.35
STAAR Surgical Company (STAA) 4.8 $52M 3.2M 16.19
AMAG Pharmaceuticals 4.0 $43M 1.8M 24.28
Vanda Pharmaceuticals (VNDA) 3.8 $40M 3.2M 12.41
Kythera Biopharmaceuticals I 3.1 $34M 901k 37.35
Anacor Pharmaceuticals In 2.5 $27M 1.6M 16.78
Ariad Pharmaceuticals 2.2 $24M 3.4M 6.82
Sequenom 2.0 $22M 9.4M 2.34
Momenta Pharmaceuticals 1.9 $21M 1.2M 17.68
Alimera Sciences 1.6 $17M 3.6M 4.70
Rigel Pharmaceuticals (RIGL) 1.4 $15M 5.2M 2.85
ViroPharma Incorporated 1.4 $15M 291k 49.85
Prothena (PRTA) 1.3 $14M 537k 26.52
NPS Pharmaceuticals 1.2 $13M 439k 30.36
Qlt 1.1 $11M 2.1M 5.57
Clovis Oncology 1.1 $11M 187k 60.27
Amicus Therapeutics (FOLD) 0.9 $9.4M 4.0M 2.35
EXACT Sciences Corporation (EXAS) 0.9 $9.2M 786k 11.75
Insmed (INSM) 0.5 $5.0M 292k 17.00
Spectrum Pharmaceuticals 0.3 $3.6M 402k 8.85
AVEO Pharmaceuticals 0.2 $2.6M 1.4M 1.83
XOMA CORP Common equity shares 0.2 $1.7M 256k 6.73
Cytokinetics (CYTK) 0.1 $1.5M 233k 6.50
Hyperion Therapeutics 0.1 $1.3M 63k 20.22
Sophiris Bio 0.1 $1.1M 293k 3.70
Celgene Corporation 0.0 $438k 2.6k 169.11
Align Technology 0.0 $445k 7.8k 57.14