Palo Alto Investors LP

CIK
1306923
City
PALO ALTO
State / Country
CA

Top Portfolio Positions

51 positions · $653,863,072 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio
INSM
INSMED Inc
Healthcare
415,269 $67,904,786 10.39%
ACAD
Acadia Pharmaceuticals Inc
Healthcare
2,872,695 $63,946,190 9.78%
PTCT
Ptc Therapeutics, Inc.
Healthcare
921,607 $62,789,084 9.60%
BMRN
Biomarin Pharmaceutical Inc
Healthcare
685,182 $38,705,931 5.92%
UTHR
UNITED THERAPEUTICS Corp
Healthcare
62,809 $37,244,480 5.70%
ANAB
Anaptysbio, Inc
Healthcare
638,161 $35,392,409 5.41%
MIRM
Mirum Pharmaceuticals, Inc.
Healthcare
325,175 $30,039,666 4.59%
DYN
Dyne Therapeutics, Inc.
Healthcare
1,652,972 $29,968,382 4.58%
BIIB
Biogen Inc.
Healthcare
140,719 $25,798,014 3.95%
IRON
Disc Medicine, Inc.
Healthcare
401,719 $25,685,912 3.93%

Holdings in DNLI

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Report Date Value (USD) Shares
2026-03-31 $4,503,974 234,582