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Palo Alto Investors LP

Q2 2025 Holdings

Filed 2025-08-14 | 45 holdings | $470.0M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Insmed Inc(INSM)COM457669307$87.1M865,11318.5%
Acadia Pharmaceuticals Inc(ACAD)COM004225108$55.3M2,563,20911.8%
Biomarin Pharmaceutical Inc(BMRN)COM09061G101$46.2M840,4709.8%
Amicus Therapeutics Inc(FOLD)COM03152W109$32.1M5,610,5136.8%
United Therapeutics Corp(UTHR)COM91307C102$27.4M95,4825.8%
Biogen Inc(BIIB)SPONSORED ADS09062X103$25.8M205,7595.5%
Alnylam Pharmaceuticals Inc(ALNY)SHS02043Q107$24.6M75,5355.2%
PTC Therapeutics Inc(PTCT)SHS69366J200$19.9M406,4694.2%
Anaptysbio Inc(ANAB)COM032724106$18.0M812,8213.8%
Novocure LTD(NVCR)COMG6674U108$17.1M962,3963.6%
Staar Surgical Co(STAA)COM852312305$13.3M791,8792.8%
Agios Pharmaceuticals Inc(AGIO)COM00847X104$8.9M268,7831.9%
Prothena Corp PLC(PRTA)COM CL AG72800108$7.7M1,274,7531.6%
Disc Medicine Inc(IRON)COM254604101$7.7M145,6911.6%
Align Technology Inc(ALGN)COM016255101$7.2M37,7721.5%
Gossamer BIO Inc(GOSS)COM38341P102$7.1M5,739,0131.5%
Ehealth Inc(EHTH)COM28238P109$6.9M1,577,8501.5%
Alkermes PLC(ALKS)COMG01767105$6.3M221,0211.3%
Iovance Biotherapeutics Inc(IOVA)COM NEW462260100$5.9M3,429,3291.3%
Syndax Pharmaceuticals Inc(SNDX)COM87164F105$4.2M444,3670.9%
Avidity Biosciences Inc(RNA)COM05370A108$3.4M118,8860.7%
Denali Therapeutics Inc(DNLI)COM24823R105$3.4M239,8090.7%
Mirum Pharmaceuticals Inc(MIRM)COM604749101$3.3M64,7000.7%
Edwards Lifesciences Corp(EW)COM28176E108$3.1M39,4730.7%
Taysha Gene Therapies Inc(TSHA)COM877619106$2.9M1,246,0330.6%
Biontech SE(BNTX)COM09075V102$2.7M25,2060.6%
Dyne Therapeutics Inc(DYN)SPONSORED ADS26818M108$2.5M264,9760.5%
Crispr Therapeutics AG(CRSP)NAMEN AKTH17182108$2.2M44,6250.5%
Aclaris Therapeutics Inc(ACRS)COM00461U105$2.0M1,390,0280.4%
Ultragenyx Pharmaceutical in(RARE)COM90400D108$1.8M48,7500.4%
Bicycle Therapeutics PLC(BCYC)COM088786108$1.7M248,9340.4%
Neurocrine Biosciences Inc(NBIX)COM64125C109$1.7M13,3340.4%
Travere Therapeutics Inc(TVTX)COM SHS89422G107$1.6M110,7190.3%
Nuvation BIO Inc(NUVB)ORD SHS67080N101$1.5M772,6520.3%
Stoke Therapeutics Inc(STOK)COM PAR $0.0186150R107$1.4M125,8610.3%
Pyxis Oncology Inc(PYXS)COM747324101$1.1M1,037,4210.2%
Humana Inc(HUM)COM444859102$974.3K3,9850.2%
Aldeyra Therapeutics Inc(ALDX)SPONSORED ADR01438T106$863.5K225,4650.2%
Karyopharm Therapeutics Inc(KPTI)COM48576U205$809.9K187,9110.2%
Vyne Therapeutics Inc Pipe(VYNE)COM92941V308$735.0K445,4340.2%
Abeona Therapeutics Inc(ABEO)COM NEW00289Y206$618.4K108,8650.1%
Alumis Inc(ALMS)COM022307102$430.3K143,4370.1%
Urogen Pharma LTD(URGN)COMM96088105$335.7K24,5000.1%
Akari Therapeutics PLC(AKTX)COM00972G207$170.8K146,0240.0%
Generation BIO Co(GBIOGBX)COM37148K100$48.2K150,4750.0%