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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: $540.39 M
Last 13-F Filed: Q3 2025
Concentration in top 10: 67.24%
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Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
PTCTPTC THERAPEUTICS INC9.8%862,613$52,938,560456,144112.22%$61.3713F
IOVAIOVANCE BIOTHERAPEUTICS INC3.06%7,618,132$16,531,3464,188,803122.15%$2.1713F
NVCRNOVOCURE LTD3%1,256,159$16,229,574293,76330.52%$12.9213F
DYNDYNE THERAPEUTICS INC2.96%1,262,674$15,972,826997,698376.52%$12.6513F
IRONDISC MEDICINE INC2.74%224,300$14,821,74478,60953.96%$66.0813F
PRTAPROTHENA CORP PLC2.39%1,324,028$12,922,51349,2753.87%$9.7613F
RAREULTRAGENYX PHARMACEUTICAL IN2.06%369,531$11,115,492320,781658.01%$30.0813F
SNDXSYNDAX PHARMACEUTICALS INC1.86%654,930$10,076,098210,56347.38%$15.3813F
DNLIDENALI THERAPEUTICS INC1.1%408,006$5,924,247168,19770.14%$14.5213F
ALGNALIGN TECHNOLOGY INC1.06%45,735$5,726,9377,96321.08%$125.2213F
NUVBNUVATION BIO INC0.7%1,020,547$3,776,024247,89532.08%$3.713F
ACRSACLARIS THERAPEUTICS INC0.55%1,566,840$2,976,996176,81212.72%$1.913F
NBIXNEUROCRINE BIOSCIENCES INC0.47%18,117$2,543,2644,78335.87%$140.3813F