Stock Taper 
PALO ALTO INVESTORS LP
Latest 13F filing data - Q2 2026
Holdings
(Top positions)| STOCK | TICKER | SHARES HELD▲ ▼ | VALUE▲ ▼ |
|---|---|---|---|
 Acadia Healthcare Company, Inc. | ACHC | 2.86M | $72.46M |
 ACADIA Pharmaceuticals Inc. | ACAD | 2.86M | $72.46M |
 Dyne Therapeutics, Inc. | DYN | 1.65M | $36.59M |
 Aclaris Therapeutics, Inc. | ACRS | 1.61M | $8.54M |
 Novocure Ltd | NVCR | 1.28M | $19.4M |
 Prothena Corporation plc | PRTA | 1.14M | $11.19M |
 PTC Therapeutics, Inc. | PTCT | 918.85K | $74.95M |
 Syndax Pharmaceuticals, Inc. | SNDX | 864.99K | $18.91M |
 BioMarin Pharmaceutical Inc. | BMRN | 682.78K | $39.07M |
 AnaptysBio, Inc. | ANAB | 603.49K | $40.74M |
 First Tracks Biotherapeutics Inc | TRAX | 603.49K | $12.14M |
 Ultragenyx Pharmaceutical Inc. | RARE | 596.5K | $19.92M |
 Bicara Therapeutics Inc. Common Stock | BCAX | 550.41K | $16.34M |
 CareDx, Inc | CDNA | 531.87K | $15.16M |
 Disc Medicine, Inc. | IRON | 416.65K | $30.47M |
 Insmed Incorporated | INSM | 413.98K | $44.14M |
 Celldex Therapeutics, Inc. | CLDX | 399.86K | $14.88M |
 Mirum Pharmaceuticals, Inc. | MIRM | 348.81K | $40.83M |
 Nuvation Bio Inc. | NUVB | 326.61K | $1.86M |
 Verastem, Inc. | VSTM | 309.69K | $1.18M |