×

Subscribe Today

Get our free articles delivered directly to your email!

Continue reading

  • Gurus
  • Other
  • 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%
Filter by:
Quarter to View:
Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
INSMINSMED INC10.39%415,269$67,904,787-74,213-15.16%$163.5213F
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
BMRNBIOMARIN PHARMACEUTICAL INC5.92%685,182$38,705,931-61,074-8.18%$56.4913F
UTHRUNITED THERAPEUTICS CORP5.7%62,809$37,244,4814,6237.95%$592.9813F
ANABANAPTYSBIO INC5.41%638,161$35,392,409-51,871-7.52%$55.4613F
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
BIIBBIOGEN INC3.95%140,719$25,798,014-42,852-23.34%$183.3313F
IRONDISC MEDICINE INC3.93%401,719$25,685,91384,26326.54%$63.9413F
IOVAIOVANCE BIOTHERAPEUTICS INC3.41%6,349,563$22,286,966-767,113-10.78%$3.5113F
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
FOLDAMICUS THERAPEUTICS INC2.46%1,113,045$16,094,631-4,092,722-78.62%$14.4613F
NVCRNOVOCURE LTD2.13%1,280,439$13,956,785-18,525-1.43%$10.913F
RAREULTRAGENYX PHARMACEUTICAL IN1.91%596,495$12,496,570135,20129.31%$20.9513F
PRTAPROTHENA CORP PLC1.8%1,208,568$11,747,281-111,942-8.48%$9.7213F
BCAXBICARA THERAPEUTICS INC1.67%550,408$10,947,615251,83384.34%$19.8913F
CLDXCELLDEX THERAPEUTICS INC1.44%296,408$9,402,062296,408New$31.7213F
CDNACAREDX INC1.41%531,870$9,233,26353,65011.22%$17.3613F
ALKSALKERMES PLC1.31%242,560$8,576,922No Change$35.3613F
CMPXCOMPASS THERAPEUTICS INC1.23%1,514,504$8,011,726-1,017,915-40.2%$5.2913F
AGIOAGIOS PHARMACEUTICALS INC1.11%213,601$7,226,1221,1020.52%$33.8313F
ALGNALIGN TECHNOLOGY INC1.09%41,520$7,117,774No Change$171.4313F
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
DNLIDENALI THERAPEUTICS INC0.69%234,582$4,503,974-406,657-63.42%$19.213F
XENEXENON PHARMACEUTICALS INC0.46%51,345$2,985,712-45,174-46.8%$58.1513F
ORKAORUKA THERAPEUTICS INC0.45%59,985$2,942,264No Change$49.0513F
STOKSTOKE THERAPEUTICS INC0.42%84,631$2,755,58512,60917.51%$32.5613F
EWEDWARDS LIFESCIENCES CORP0.41%33,640$2,693,891No Change$80.0813F
NBIXNEUROCRINE BIOSCIENCES INC0.37%18,117$2,386,734No Change$131.7413F
NUVBNUVATION BIO INC0.33%508,846$2,182,949-29,233-5.43%$4.2913F
CYTKCYTOKINETICS INC0.32%32,195$2,121,97232,195New$65.9113F
EHTHEHEALTH INC0.29%1,482,797$1,912,808-48,632-3.18%$1.2913F
CRSPCRISPR THERAPEUTICS AG0.29%39,605$1,884,010-1,621-3.93%$47.5713F
BNTXBIONTECH SE-ADR0.27%19,614$1,743,292No Change$88.8813F
PYXSPYXIS ONCOLOGY INC0.23%1,010,510$1,475,345-26,911-2.59%$1.4613F
VSTMVERASTEM INC0.2%246,093$1,304,293246,093New$5.313F
BCYCBICYCLE THERAPEUTICS PLC-ADR0.14%201,890$936,770-19,181-8.68%$4.6413F
MDGLMADRIGAL PHARMACEUTICALS INC0.14%1,787$935,4411,787New$523.4713F
HUMHUMANA INC0.11%3,985$690,959No Change$173.3913F
CMPSCOMPASS PATHWAYS PLC ADR0.1%115,616$639,356No Change$5.5313F
XERSXERIS BIOPHARMA HOLDINGS INC0.09%104,410$605,578104,410New$5.813F
ABEOABEONA THERAPEUTICS INC0.07%108,865$487,715No Change$4.4813F
INSPINSPIRE MEDICAL SYSTEMS INC0.07%8,772$452,460No Change$51.5813F
URGNUROGEN PHARMA LTD0.07%24,500$440,510No Change$17.9813F
PRQRPROQR THERAPEUTICS NV0.05%188,807$305,867No Change$1.6213F
ALDXALDEYRA THERAPEUTICS INC0.04%155,709$263,148-69,756-30.94%$1.6913F
AKTXAKARI THERAPEUTICS PLC-ADR-146,024Exited13F
GBIOGENERATION BIO CO-15,047Exited13F
GOSSGOSSAMER BIO INC-4,471,592Exited13F