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  • PALO ALTO INVESTORS LP (Data extracted from 13F, 13D, 13G and Form 4)

PALO ALTO INVESTORS LP

AUM: $1.06 B
13-F Portfolio Value: $653.86 M
Last 13-F Filed: Q1 2026
Concentration in top 10: 63.85%
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Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
ACADACADIA PHARMACEUTICALS INC9.78%2,872,695$63,946,191388,66415.65%$22.2613F
PTCTPTC THERAPEUTICS INC9.6%921,607$62,789,08517,6911.96%$68.1313F
UTHRUNITED THERAPEUTICS CORP5.7%62,809$37,244,4814,6237.95%$592.9813F
MIRMMIRUM PHARMACEUTICALS INC4.59%325,175$30,039,667168,754107.88%$92.3813F
DYNDYNE THERAPEUTICS INC4.58%1,652,972$29,968,382180,77512.28%$18.1313F
IRONDISC MEDICINE INC3.93%401,719$25,685,91384,26326.54%$63.9413F
SNDXSYNDAX PHARMACEUTICALS INC3.09%864,986$20,206,07370,4798.87%$23.3613F
ANNXANNEXON INC2.5%2,948,090$16,332,419563,89823.65%$5.5413F
RAREULTRAGENYX PHARMACEUTICAL IN1.91%596,495$12,496,570135,20129.31%$20.9513F
BCAXBICARA THERAPEUTICS INC1.67%550,408$10,947,615251,83384.34%$19.8913F
CDNACAREDX INC1.41%531,870$9,233,26353,65011.22%$17.3613F
AGIOAGIOS PHARMACEUTICALS INC1.11%213,601$7,226,1221,1020.52%$33.8313F
CAPRCAPRICOR THERAPEUTICS INC1.07%229,763$6,984,7953,4591.53%$30.413F
TVTXTRAVERE THERAPEUTICS INC1.05%230,453$6,846,759119,734108.14%$29.7113F
TSHATAYSHA GENE THERAPIES INC0.95%1,391,382$6,219,478208,18717.6%$4.4713F
ACRSACLARIS THERAPEUTICS INC0.93%1,613,430$6,050,36346,5902.97%$3.7513F
STOKSTOKE THERAPEUTICS INC0.42%84,631$2,755,58512,60917.51%$32.5613F