Fund HoldingsPalo Alto Investors LP

Total Portfolio Value
$723.72M
Total Bought
$41.52M
Total Sold
$92.22M
Net Transaction
-$50.70M
Filing Period:
Securities
SharesValue ($K)
Q1 2026
Q2 2026
Change
Q1 2026
Q2 2026
Weight (%)
Change
PTC THERAPEUTICS INC(PTCT)921,607918,846-2,76162,78974,95010.36%+12,161
FIRST TRACKS BIOTHERAPEUTICS0603,489+603,489012,1421.68%+12,142
MIRUM PHARMACEUTICALS INC(MIRM)325,175348,808+23,63330,04040,8355.64%+10,795
ACADIA PHARMACEUTICALS INC2,872,6952,864,096-8,59963,94672,46210.01%+8,515
ULTRAGENYX PHARMACEUTICAL IN(RARE)596,495596,495012,49719,9172.75%+7,420
DYNE THERAPEUTICS INC(DYN)1,652,9721,647,521-5,45129,96836,5915.06%+6,623
CAREDX INC(CDNA)531,870531,87009,23315,1582.09%+5,925
CELLDEX THERAPEUTICS INC(CLDX)296,408399,856+103,4489,40214,8792.06%+5,477
NOVOCURE LTD(NVCR)1,280,4391,280,439013,95719,3992.68%+5,442
BICARA THERAPEUTICS INC550,408550,408010,94816,3422.26%+5,394
ANAPTYSBIO INC638,161603,489-34,67235,39240,7365.63%+5,343
DISC MEDICINE INC(IRON)401,719416,646+14,92725,68630,4734.21%+4,788
COMPASS THERAPEUTICS INC(CMPX)1,514,5045,831,813+4,317,3098,01212,7721.76%+4,760
BIOGEN INC(BIIB)140,719140,279-44025,79830,3094.19%+4,511
ALKERMES PLC(ALKS)242,560242,56008,57712,7091.76%+4,132
TAYSHA GENE THERAPIES INC(TSHA)1,391,3821,391,38206,2199,4751.31%+3,256
TRAVERE THERAPEUTICS INC(TVTX)230,453167,525-62,9286,8479,5171.32%+2,670
ACLARIS THERAPEUTICS INC(ACRS)1,613,4301,613,43006,0508,5351.18%+2,485
SAGIMET BIOSCIENCES INC-A(SGMT)0250,000+250,00001,9330.27%+1,933
NEWAMSTERDAM PHARMA CO NV
ORDINARY SHARES
044,359+44,35901,5030.21%+1,503
PYXIS ONCOLOGY INC(PYXS)1,010,510864,277-146,2331,4752,6010.36%+1,126
COMPASS PATHWAYS PLC ADR(CMPS)115,616115,61606391,6360.23%+997
HUMANA INC(HUM)3,9853,98506911,5830.22%+892
AGIOS PHARMACEUTICALS INC(AGIO)213,601213,60107,2267,9271.10%+701
NEUROCRINE BIOSCIENCES INC(NBIX)18,11718,11702,3873,0530.42%+667
CYTOKINETICS INC(CYTK)32,19532,19502,1222,7430.38%+621
ANNEXON INC(ANNX)2,948,0902,948,090016,33216,8342.33%+501
UROGEN PHARMA LTD(URGN)24,50024,50004419020.12%+461
BIOMARIN PHARMACEUTICAL INC(BMRN)685,182682,777-2,40538,70639,0695.40%+363
EDWARDS LIFESCIENCES CORP33,64033,64002,6943,0430.42%+349
EHEALTH INC(EHTH)1,482,7971,482,79701,9132,2090.31%+297
CRISPR THERAPEUTICS AG(CRSP)39,60539,60501,8842,1600.30%+276
ORUKA THERAPEUTICS INC - Restricted(ORKA)59,98533,546-26,4392,9423,1930.44%+250
XERIS BIOPHARMA HOLDINGS INC104,410104,41006068270.11%+221
ABEONA THERAPEUTICS INC(ABEO)108,865108,86504886730.09%+185
XENON PHARMACEUTICALS INC(XENE)51,34551,34502,9863,0990.43%+113
BIONTECH SE-ADR(BNTX)19,61419,61401,7431,8250.25%+82
ALDEYRA THERAPEUTICS INC(ALDX)155,709155,70902633320.05%+69
PROQR THERAPEUTICS NV
SHS EURO
188,807188,80703063510.05%+45
MADRIGAL PHARMACEUTICALS INC(MDGL)1,7871,78709359600.13%+24
STOKE THERAPEUTICS INC(STOK)84,63184,63102,7562,7690.38%+14
INSPIRE MEDICAL SYSTEMS INC(INSP)8,7728,77204523910.05%-61
BICYCLE THERAPEUTICS PLC-ADR201,890201,89009378560.12%-81
VERASTEM INC(VSTM)246,093309,685+63,5921,3041,1830.16%-121
IOVANCE BIOTHERAPEUTICS INC(IOVA)6,349,5635,296,209-1,053,35422,28722,0323.04%-255
NUVATION BIO INC(NUVB)508,846326,609-182,2372,1831,8550.26%-328
PROTHENA CORP PLC
SHS
1,208,5681,143,155-65,41311,74711,1911.55%-556
SYNDAX PHARMACEUTICALS INC(SNDX)864,986864,986020,20618,9092.61%-1,297
CAPRICOR THERAPEUTICS INC(CAPR)229,763229,76306,9855,5330.76%-1,452
ALIGN TECHNOLOGY INC41,52031,389-10,1317,1185,2940.73%-1,824
UNITED THERAPEUTICS CORP(UTHR)62,80962,587-22237,24433,9124.69%-3,333
DENALI THERAPEUTICS INC(DNLI)234,5820-234,5824,5040-4,504
AMICUS THERAPEUTICS INC
COM
1,113,0450-1,113,04516,0950-16,095
INSMED INC(INSM)415,269413,980-1,28967,90544,1396.10%-23,766
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Palo Alto Investors LP — 13F Holdings — Q2 2026 | TickerTrail