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Palo Alto Investors LP

Q1 2021 Holdings

Filed 2021-05-17 | 42 holdings | $359.1M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Biomarin Pharmaceutical Inc(BMRN)COM09061G101$166.6M2,205,75046.4%
Biogen Inc(BIIB)COM09062X103$96.0M343,20026.7%
Acadia Pharmaceuticals Inc(ACAD)COM004225108$60.3M2,337,87716.8%
Align Technology Inc(ALGN)COM016255101$30.0M55,4058.4%
Cytokinetics Inc(CYTK)COM NEW23282W605$2.9M123,6860.8%
Aldeyra Therapeutics Inc(ALDX)COM01438T106$1.9M160,8000.5%
Insmed Inc(INSM)COM PAR $.01457669307$198.4K5,824,5070.1%
Staar Surgical Co(STAA)COM PAR $0.01852312305$191.2K1,813,9110.1%
Abiomed Inc(ABMDEUR)COM003654100$183.3K575,2330.1%
United Therapeutics Corp(UTHR)COM91307C102$114.9K687,2060.0%
Amicus Therapeutics Inc(FOLD)COM03152W109$96.4K9,761,0430.0%
Revance Therapeutics Inc(RVNCEUR)COM761330109$89.5K3,201,8660.0%
Ehealth Inc(EHTH)COM28238P109$77.0K1,058,3700.0%
Epizyme Inc(EPZMEUR)COM29428V104$59.7K6,856,5130.0%
Vanda Pharmaceuticals Inc(VNDA)COM921659108$57.0K3,791,8050.0%
Karyopharm Therapeutics Inc(KPTIEUR)COM48576U106$56.4K5,363,6520.0%
Sage Therapeutics Inc(SG7)COM78667J108$44.9K600,5000.0%
Prothena Corp PLC(PRTA)SHSG72800108$43.8K1,742,5050.0%
Alexion Pharmaceuticals Inc(ALXN)COM015351109$36.0K235,2760.0%
Clovis Oncology Inc(CLVSEUR)COM189464100$31.5K4,484,4110.0%
Gritstone Oncology Inc(2JQ)COM39868T105$21.7K2,298,3820.0%
Gossamer BIO Inc(GOSS)COM38341P102$16.4K1,772,9500.0%
Puma Biotechnology Inc(PBYI)COM74587V107$13.5K1,392,9970.0%
Anaptysbio Inc(ANAB)COM032724106$9.4K436,5920.0%
Alkermes PLC(ALKS)SHSG01767105$9.1K487,1000.0%
Dicerna Pharmaceuticals Inc(DRNAUSD)COM253031108$8.5K332,7130.0%
Kaleido Biosciences Inc(KLDO)COM483347100$6.4K786,4000.0%
Syndax Pharmaceuticals Inc(SNDX)COM87164F105$5.9K264,2000.0%
Magenta Therapeutics IncCOM55910K108$5.1K432,3000.0%
Zogenix IncCOM98978L204$4.2K214,7000.0%
Travere Therapeutics Inc(TVTX)COM89422G107$4.1K166,0690.0%
Kezar Life Sciences IncCOM49372L100$3.9K656,2000.0%
Rigel Pharmaceuticals Inc(RIGLUSD)COM NEW766559603$2.2K652,3950.0%
Alimera Sciences IncCOM NEW016259202$1.9K200,9190.0%
Tactile Systems Technology I(TCMD)COM87357P100$1.5K27,1000.0%
Athenex Inc(ATNXEUR)COM04685N103$1.4K318,2000.0%
Syros Pharmaceuticals IncCOM87184Q107$60380,6000.0%
Marinus Pharmaceuticals Inc(MRNS*)COM NEW56854Q200$48531,3300.0%
Urogen Pharma LTD(URGN)COMM96088105$47724,5000.0%
Viracta Therapeutics IncCOM92765F108$30733,2120.0%
Minerva Neurosciences Inc(NERVGBP)COM603380106$10636,3190.0%
Idera Pharmaceuticals IncCOM PAR45168K405$10077,0440.0%