Fund HoldingsPalo Alto Investors LP

Total Portfolio Value
$1.11B
Total Bought
$433.93M
Total Sold
$401.54M
Net Transaction
+$32.40M
Filing Period:
Securities
SharesValue ($K)
Q3 2023
Q4 2023
Change
Q3 2023
Q4 2023
Weight (%)
Change
INSMED INC(INSM)05,511,721+5,511,7210170,80815.39%+170,808
PROTHENA CORP PLC
SHS
01,660,057+1,660,057060,3265.44%+60,326
STAAR SURGICAL CO(STAA)01,376,950+1,376,950042,9753.87%+42,975
ALNYLAM PHARMACEUTICALS INC(ALNY)0154,437+154,437029,5612.66%+29,561
ACADIA PHARMACEUTICALS INC2,405,7932,409,556+3,76350,13775,4436.80%+25,306
AMICUS THERAPEUTICS INC
COM
10,524,02210,373,715-150,307127,972147,20313.26%+19,231
IOVANCE BIOTHERAPEUTICS INC(IOVA)02,106,792+2,106,792017,1281.54%+17,128
ALKERMES PLC(ALKS)0603,400+603,400016,7381.51%+16,738
CYTOKINETICS INC(CYTK)0111,717+111,71709,3270.84%+9,327
NEVRO CORP386,832750,371+363,5397,43516,1481.45%+8,713
NOVOCURE LTD(NVCR)0561,908+561,90808,3890.76%+8,389
VERVE THERAPEUTICS INC0575,817+575,81708,0270.72%+8,027
SAREPTA THERAPEUTICS INC(SRPT)94,030200,905+106,87511,39819,3731.75%+7,975
ANAPTYSBIO INC431,224686,882+255,6587,74514,7131.33%+6,968
BLUEBIRD BIO INC03,333,333+3,333,33304,6000.41%+4,600
EHEALTH INC2,739,3792,739,379020,27123,8872.15%+3,616
SYNDAX PHARMACEUTICALS INC(SNDX)472,600472,60006,86210,2130.92%+3,351
GOSSAMER BIO INC6,530,2885,958,888-571,4005,4386,5300.59%+1,092
VYNE THERAPEUTICS INC PIPE0445,434+445,43401,0380.09%+1,038
TAYSHA GENE THERAPIES INC(TSHA)0529,861+529,86109380.08%+938
SIGHT SCIENCES INC0173,790+173,79008970.08%+897
RELMADA THERAPEUTICS INC732,400732,40002,1973,0320.27%+835
SAGE THERAPEUTICS INC1,005,776991,525-14,25120,69921,4861.94%+787
BIOGEN INC(BIIB)381,282380,417-86597,99398,4418.87%+447
UROGEN PHARMA LTD(URGN)24,50024,50003433680.03%+24
VANDA PHARMACEUTICALS INC278,985278,98501,2051,1770.11%-28
MIRUM PHARMACEUTICALS INC(MIRM)64,70064,70002,0451,9100.17%-135
ALDEYRA THERAPEUTICS INC160,800225,465+64,6651,0747910.07%-283
TACTILE SYSTEMS TECHNOLOGY I27,1000-27,1003810-381
TRAVERE THERAPEUTICS INC(TVTX)166,069110,719-55,3501,4859950.09%-489
KEZAR LIFE SCIENCES INC656,2000-656,2007810-781
ALIGN TECHNOLOGY INC55,70555,705017,00815,2631.38%-1,745
KARYOPHARM THERAPEUTICS INC5,675,8765,102,193-573,6837,6064,4130.40%-3,192
CYTOKINETICS INC(CYTK)111,7170-111,7173,2910-3,291
NOVOCURE LTD(NVCR)660,2750-660,27510,6630-10,663
REVANCE THERAPEUTICS INC5,228,6095,237,284+8,67559,97246,0364.15%-13,936
ALKERMES PLC(ALKS)603,4000-603,40016,9010-16,901
BIOMARIN PHARMACEUTICAL INC(BMRN)1,831,0351,500,749-330,286162,010144,70213.04%-17,308
UNITED THERAPEUTICS CORP(UTHR)575,907395,784-180,123130,08087,0297.84%-43,051
STAAR SURGICAL CO(STAA)1,374,8220-1,374,82255,2400-55,240
PROTHENA CORP PLC
SHS
1,657,4580-1,657,45879,9720-79,972
INSMED INC(INSM)5,889,4910-5,889,491148,7100-148,710
Page 1 of 1