Palo Alto Investors

Palo Alto Investors as of Sept. 30, 2013

Portfolio Holdings for Palo Alto Investors

Palo Alto Investors holds 33 positions in its portfolio as reported in the September 2013 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
ViroPharma Incorporated 12.8 $121M 3.1M 39.26
Cyberonics 10.2 $97M 1.9M 50.74
United Therapeutics Corporation (UTHR) 8.8 $84M 1.1M 78.85
Auxilium Pharmaceuticals 8.7 $83M 4.6M 18.20
Cubist Pharmaceuticals 6.8 $65M 1.0M 63.55
InterMune 5.8 $55M 3.6M 15.38
Abiomed 5.3 $51M 2.7M 19.06
STAAR Surgical Company (STAA) 4.6 $44M 3.2M 13.54
Onyx Pharmaceuticals 4.5 $43M 344k 124.70
BioMarin Pharmaceutical (BMRN) 4.3 $41M 564k 72.17
Questcor Pharmaceuticals 4.0 $38M 656k 58.00
AMAG Pharmaceuticals 3.9 $37M 1.7M 21.47
Vanda Pharmaceuticals (VNDA) 3.3 $32M 2.9M 10.95
Rigel Pharmaceuticals 2.4 $23M 6.3M 3.58
Sequenom 2.3 $22M 8.2M 2.67
Anacor Pharmaceuticals In 1.8 $17M 1.6M 10.62
Momenta Pharmaceuticals 1.7 $16M 1.1M 14.39
Kythera Biopharmaceuticals I 1.5 $15M 319k 45.59
Alimera Sciences 1.4 $14M 3.6M 3.76
Amicus Therapeutics (FOLD) 1.1 $11M 4.6M 2.32
Qlt 1.0 $9.5M 2.1M 4.63
EXACT Sciences Corporation (EXAS) 1.0 $9.2M 780k 11.80
AVEO Pharmaceuticals 0.8 $7.2M 3.5M 2.06
Savient Pharmaceuticals 0.6 $5.4M 8.8M 0.62
Insmed (INSM) 0.4 $4.2M 266k 15.61
Spectrum Pharmaceuticals 0.3 $3.3M 396k 8.38
Cytokinetics 0.2 $2.0M 262k 7.57
XOMA CORP Common equity shares 0.2 $1.9M 418k 4.49
Prothena (PRTA) 0.2 $1.8M 89k 20.23
NxStage Medical 0.1 $581k 44k 13.17
Celgene Corporation 0.0 $260k 1.7k 153.85
Align Technology 0.0 $245k 5.1k 48.15
Sophiris Bio 0.0 $257k 55k 4.67