0001306923-22-000004.txt : 20220214 0001306923-22-000004.hdr.sgml : 20220214 20220214162853 ACCESSION NUMBER: 0001306923-22-000004 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20211231 FILED AS OF DATE: 20220214 DATE AS OF CHANGE: 20220214 EFFECTIVENESS DATE: 20220214 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Palo Alto Investors LP CENTRAL INDEX KEY: 0001306923 IRS NUMBER: 770558164 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-11013 FILM NUMBER: 22632845 BUSINESS ADDRESS: STREET 1: 470 UNIVERSITY AVE CITY: PALO ALTO STATE: CA ZIP: 94301 BUSINESS PHONE: 650-325-0772 MAIL ADDRESS: STREET 1: 470 UNIVERSITY AVE CITY: PALO ALTO STATE: CA ZIP: 94301 FORMER COMPANY: FORMER CONFORMED NAME: Palo Alto Investors, LLC DATE OF NAME CHANGE: 20041025 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001306923 XXXXXXXX 12-31-2021 12-31-2021 Palo Alto Investors LP
470 UNIVERSITY AVE PALO ALTO CA 94301
13F HOLDINGS REPORT 028-11013 N
Angela Nguyen-Dinh Chief Compliance Officer (650) 325-0772 Angela Nguyen-Dinh Palo Alto CA 02-14-2022 0 37 1564771 false
INFORMATION TABLE 2 q4paloalto13f.v2.xml ABIOMED INC COM 003654100 186421 519033 SH SOLE 519033 0 0 ACADIA PHARMACEUTICALS INC COM 004225108 54566 2337877 SH SOLE 2337877 0 0 ALDEYRA THERAPEUTICS INC COM 01438T106 643 160800 SH SOLE 160800 0 0 ALIGN TECHNOLOGY INC COM 016255101 36411 55405 SH SOLE 55405 0 0 ALIMERA SCIENCES INC COM 016259202 1031 200919 SH SOLE 200919 0 0 ALKERMES PLC COM G01767105 17543 754200 SH SOLE 754200 0 0 AMICUS THERAPEUTICS INC COM 03152W109 116817 10114043 SH SOLE 10114043 0 0 ANAPTYSBIO INC COM 032724106 15172 436592 SH SOLE 436592 0 0 ASTRAZENECA PLC-SPONS ADR COM 046353108 1704 29260 SH SOLE 29260 0 0 BIOGEN INC COM 09062X103 92369 385000 SH SOLE 385000 0 0 BIOMARIN PHARMACEUTICAL INC COM 09061G101 195514 2212950 SH SOLE 2212950 0 0 CLOVIS ONCOLOGY INC COM 189464100 10834 3997826 SH SOLE 3997826 0 0 CYTOKINETICS INC COM 23282W605 5638 123686 SH SOLE 123686 0 0 EHEALTH INC COM 28238P109 41197 1615570 SH SOLE 1615570 0 0 EPIZYME INC COM 29428V104 13713 5485213 SH SOLE 5485213 0 0 GOSSAMER BIO INC COM 38341P102 20052 1772950 SH SOLE 1772950 0 0 GRITSTONE ONCOLOGY INC COM 39868T105 30302 2356282 SH SOLE 2356282 0 0 INSMED INC COM 457669307 164140 6025706 SH SOLE 6025706 0 0 KALEIDO BIOSCIENCES INC COM 483347100 815 341030 SH SOLE 341030 0 0 KARYOPHARM THERAPEUTICS INC COM 48576U106 35175 5470452 SH SOLE 5470452 0 0 KEZAR LIFE SCIENCES INC COM 49372L100 10972 656200 SH SOLE 656200 0 0 MAGENTA THERAPEUTICS INC COM 55910K108 1915 432300 SH SOLE 432300 0 0 MARINUS PHARMACEUTICALS INC COM 56854Q200 372 31330 SH SOLE 31330 0 0 MIRUM PHARMACEUTICALS INC COM 604749101 1032 64700 SH SOLE 64700 0 0 NOVAVAX INC COM 670002401 1788 12500 SH SOLE 12500 0 0 PROTHENA CORP PLC COM G72800108 83253 1685282 SH SOLE 1685282 0 0 REVANCE THERAPEUTICS INC COM 761330109 71308 4369366 SH SOLE 4369366 0 0 RIGEL PHARMACEUTICALS INC COM 766559603 1729 652395 SH SOLE 652395 0 0 SAGE THERAPEUTICS INC COM 78667J108 33255 781730 SH SOLE 781730 0 0 STAAR SURGICAL CO COM 852312305 104129 1140511 SH SOLE 1140511 0 0 SYNDAX PHARMACEUTICALS INC COM 87164F105 13110 598900 SH SOLE 598900 0 0 TACTILE SYSTEMS TECHNOLOGY I COM 87357P100 516 27100 SH SOLE 27100 0 0 TRAVERE THERAPEUTICS INC COM 89422G107 5155 166069 SH SOLE 166069 0 0 UNITED THERAPEUTICS CORP COM 91307C102 148491 687206 SH SOLE 687206 0 0 UROGEN PHARMA LTD COM M96088105 233 24500 SH SOLE 24500 0 0 VANDA PHARMACEUTICALS INC COM 921659108 44469 2834244 SH SOLE 2834244 0 0 ZOGENIX INC COM 98978L204 2987 183800 SH SOLE 183800 0 0