Palo Alto Investors

Palo Alto Investors as of Sept. 30, 2025

Portfolio Holdings for Palo Alto Investors

Palo Alto Investors holds 44 positions in its portfolio as reported in the September 2025 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Insmed (INSM) 13.1 $71M 492k 144.01
Ptc Therapeutics I (PTCT) 9.8 $53M 863k 61.37
ACADIA Pharmaceuticals (ACAD) 9.7 $53M 2.5M 21.34
Amicus Therapeutics (FOLD) 7.8 $42M 5.4M 7.88
BioMarin Pharmaceutical (BMRN) 7.6 $41M 754k 54.16
Biogen Sponsored Ads (BIIB) 4.8 $26M 186k 140.08
United Therapeutics Corporation (UTHR) 4.5 $24M 58k 419.21
Anaptysbio Inc Common (ANAB) 3.8 $21M 674k 30.62
Iovance Biotherapeutics Com New (IOVA) 3.1 $17M 7.6M 2.17
Novocure Ltd ord (NVCR) 3.0 $16M 1.3M 12.92
Dyne Therapeutics Sponsored Ads (DYN) 3.0 $16M 1.3M 12.65
Disc Medicine (IRON) 2.7 $15M 224k 66.08
Alnylam Pharmaceuticals (ALNY) 2.7 $15M 32k 456.00
Gossamer Bio (GOSS) 2.7 $14M 5.5M 2.63
Prothena Corp Com Cl A (PRTA) 2.4 $13M 1.3M 9.76
Ultragenyx Pharmaceutical (RARE) 2.1 $11M 370k 30.08
Agios Pharmaceuticals (AGIO) 2.0 $11M 266k 40.14
Syndax Pharmaceuticals (SNDX) 1.9 $10M 655k 15.38
eHealth (EHTH) 1.2 $6.7M 1.5M 4.31
Denali Therapeutics (DNLI) 1.1 $5.9M 408k 14.52
Align Technology (ALGN) 1.1 $5.7M 46k 125.22
Alkermes (ALKS) 1.0 $5.5M 184k 30.00
Avidity Biosciences Ord (RNA) 0.9 $4.8M 110k 43.57
Mirum Pharmaceuticals (MIRM) 0.9 $4.7M 65k 73.31
Caredx (CDNA) 0.9 $4.6M 316k 14.54
Taysha Gene Therapies (TSHA) 0.8 $4.1M 1.2M 3.27
Nuvation Bio Com Cl A (NUVB) 0.7 $3.8M 1.0M 3.70
Aclaris Therapeutics (ACRS) 0.6 $3.0M 1.6M 1.90
Crispr Therapeutics Namen Akt (CRSP) 0.5 $2.7M 41k 64.81
Travere Therapeutics Com Shs (TVTX) 0.5 $2.6M 111k 23.90
Edwards Lifesciences (EW) 0.5 $2.6M 34k 77.77
Neurocrine Biosciences (NBIX) 0.5 $2.5M 18k 140.38
Stoke Therapeutics (STOK) 0.5 $2.5M 105k 23.50
Pyxis Oncology (PYXS) 0.4 $2.3M 1.0M 2.22
Biontech Se (BNTX) 0.4 $1.9M 20k 98.62
Bicycle Therapeutics (BCYC) 0.3 $1.7M 221k 7.74
Aldeyra Therapeutics Sponsored Adr (ALDX) 0.2 $1.2M 226k 5.22
Humana (HUM) 0.2 $1.0M 4.0k 260.17
Oruka Therapeutics (ORKA) 0.1 $791k 60k 13.19
Abeona Therapeutics Com New (ABEO) 0.1 $575k 109k 5.28
Urogen Pharma (URGN) 0.1 $489k 25k 19.95
Proqr Therapeutics Nv Shs Euro (PRQR) 0.1 $402k 189k 2.13
Akari Therapeutics Plc Sponsored (AKTX) 0.0 $148k 146k 1.01
Generation Bio 0.0 $92k 15k 6.12