CIK 1306923
Palo Alto Investors LP
Institutional 13F holdings & portfolio
Holdings
49
Portfolio Value
$1M+
Latest Report
Dec 31, 2025
Report Periods
3
Holdings
13F filings as of Dec 31, 2025 · Showing 1–49 of 49
| Ticker | Company | Shares | Value | Type |
|---|---|---|---|---|
| INSM | INSMED INC | 489K | $1M+ | SH |
| FOLD | AMICUS THERAPEUTICS INC | 5.2M | $1M+ | SH |
| PTCT | PTC THERAPEUTICS INC | 904K | $1M+ | SH |
| ACAD | ACADIA PHARMACEUTICALS INC | 2.5M | $1M+ | SH |
| BMRN | BIOMARIN PHARMACEUTICAL INC | 746K | $1M+ | SH |
| ANAB | ANAPTYSBIO INC | 690K | $1M+ | SH |
| BIIB | BIOGEN INC | 184K | $1M+ | SH |
| DYN | DYNE THERAPEUTICS INC | 1.5M | $1M+ | SH |
| UTHR | UNITED THERAPEUTICS CORP | 58K | $1M+ | SH |
| IRON | DISC MEDICINE INC | 317K | $1M+ | SH |
| IOVA | IOVANCE BIOTHERAPEUTICS INC | 7.1M | $1M+ | SH |
| NVCR | NOVOCURE LTD | 1.3M | $1M+ | SH |
| SNDX | SYNDAX PHARMACEUTICALS INC | 795K | $1M+ | SH |
| GOSS | GOSSAMER BIO INC | 4.5M | $1M+ | SH |
| CMPX | COMPASS THERAPEUTICS INC | 2.5M | $1M+ | SH |
| PRTA | PROTHENA CORP PLC | 1.3M | $1M+ | SH |
| MIRM | MIRUM PHARMACEUTICALS INC | 156K | $1M+ | SH |
| ANNX | ANNEXON INC | 2.4M | $1M+ | SH |
| RARE | ULTRAGENYX PHARMACEUTICAL IN | 461K | $1M+ | SH |
| DNLI | DENALI THERAPEUTICS INC | 641K | $1M+ | SH |
| CDNA | CAREDX INC | 478K | $1M+ | SH |
| EHTH | EHEALTH INC | 1.5M | $1M+ | SH |
| ALKS | ALKERMES PLC | 243K | $1M+ | SH |
| CAPR | CAPRICOR THERAPEUTICS INC | 226K | $1M+ | SH |
| TSHA | TAYSHA GENE THERAPIES INC | 1.2M | $1M+ | SH |
| ALGN | ALIGN TECHNOLOGY INC | 42K | $1M+ | SH |
| AGIO | AGIOS PHARMACEUTICALS INC | 212K | $1M+ | SH |
| BCAX | BICARA THERAPEUTICS INC | 299K | $1M+ | SH |
| NUVB | NUVATION BIO INC | 538K | $1M+ | SH |
| ACRS | ACLARIS THERAPEUTICS INC | 1.6M | $1M+ | SH |
| XENE | XENON PHARMACEUTICALS INC | 97K | $1M+ | SH |
| TVTX | TRAVERE THERAPEUTICS INC | 111K | $1M+ | SH |
| EW | EDWARDS LIFESCIENCES CORP | 34K | $1M+ | SH |
| NBIX | NEUROCRINE BIOSCIENCES INC | 18K | $1M+ | SH |
| STOK | STOKE THERAPEUTICS INC | 72K | $1M+ | SH |
| CRSP | CRISPR THERAPEUTICS AG | 41K | $1M+ | SH |
| BNTX | BIONTECH SE-ADR | 20K | $1M+ | SH |
| ORKA | ORUKA THERAPEUTICS INC | 60K | $1M+ | SH |
| BCYC | BICYCLE THERAPEUTICS PLC-ADR | 221K | $1M+ | SH |
| PYXS | PYXIS ONCOLOGY INC | 1.0M | $1M+ | SH |
| ALDX | ALDEYRA THERAPEUTICS INC | 225K | $1M+ | SH |
| HUM | HUMANA INC | 4K | $1M+ | SH |
| INSP | INSPIRE MEDICAL SYSTEMS INC | 9K | $500K+ | SH |
| CMPS | COMPASS PATHWAYS PLC ADR | 116K | $500K+ | SH |
| URGN | UROGEN PHARMA LTD | 25K | $500K+ | SH |
| ABEO | ABEONA THERAPEUTICS INC | 109K | $500K+ | SH |
| PRQR | PROQR THERAPEUTICS NV | 189K | $100K–$500K | SH |
| GBIO | GENERATION BIO CO | 15K | $50K–$100K | SH |
| AKTX | AKARI THERAPEUTICS PLC-ADR | 146K | $15K–$50K | SH |