Palo Alto Investors LP Long-Term Concentrated

Location: Palo Alto, CA

CIK: 0001306923 · Show all filings

Period: Q1 2025 (← Previous) (Next →)

Filing Date: May 15, 2025

Total Value: $525M (100.0% shares, 0.0% debt)

Holdings (44)

INSM INSMED INC 14.3%
Value $75.31M Shares 987,153 Share Price $76.29 Est. Cost/Share $17.79 Unrealized @ Report Date +330.0%
BMRN BIOMARIN PHARMACEUTICAL INC 13.3%
Value $70.07M Shares 991,207 Share Price $70.69 * Est. Cost/Share $83.16 Unrealized @ Report Date -19.1%
FOLD AMICUS THERAPEUTICS INC 11.4%
Value $59.94M Shares 7,345,002 Share Price $8.16 * Est. Cost/Share $9.63 Unrealized @ Report Date -3.9%
ACAD ACADIA PHARMACEUTICALS INC 8.4%
Value $44.25M Shares 2,663,925 Share Price $16.61 * Est. Cost/Share $26.96 Unrealized @ Report Date -32.6%
UTHR UNITED THERAPEUTICS CORP 6.2%
Value $32.44M Shares 105,228 Share Price $308.27 * Est. Cost/Share $89.23 Unrealized @ Report Date +284.0%
BIIB BIOGEN INC 5.3%
Value $28.04M Shares 204,923 Share Price $136.84 * Est. Cost/Share $256.18 Unrealized @ Report Date -44.2%
ALNY ALNYLAM PHARMACEUTICALS INC 4.3%
Value $22.54M Shares 83,488 Share Price $270.02 * Est. Cost/Share $260.36 Unrealized @ Report Date -1.3%
PTCT PTC THERAPEUTICS INC 3.9%
Value $20.6M Shares 404,196 Share Price $50.96 * Est. Cost/Share $37.01 Unrealized @ Report Date +34.8%
PRTA PROTHENA CORP PLC 3.9%
Value $20.54M Shares 1,659,734 Share Price $12.37 * Est. Cost/Share $21.46 Unrealized @ Report Date -34.1%
ANAB ANAPTYSBIO INC 3.6%
Value $18.98M Shares 1,020,713 Share Price $18.59 * Est. Cost/Share $19.30 Unrealized @ Report Date -13.6%
NVCR NOVOCURE LTD 3.4%
Value $17.86M Shares 1,002,061 Share Price $17.82 * Est. Cost/Share $42.49 Unrealized @ Report Date -46.5%
SRPT SAREPTA THERAPEUTICS INC 2.6%
Value $13.42M Shares 210,258 Share Price $63.82 * Est. Cost/Share $112.41 Unrealized @ Report Date -6.4%
EHTH EHEALTH INC 2.1%
Value $11.25M Shares 1,684,336 Share Price $6.68 * Est. Cost/Share $38.13 Unrealized @ Report Date -76.1%
IOVA IOVANCE BIOTHERAPEUTICS INC 2.0%
Value $10.69M Shares 3,211,314 Share Price $3.33 * Est. Cost/Share $6.45 Unrealized @ Report Date -20.1%
STAA STAAR SURGICAL CO 1.8%
Value $9.256M Shares 525,017 Share Price $17.63 * Est. Cost/Share $24.04 Unrealized @ Report Date -16.6%
AGIO AGIOS PHARMACEUTICALS INC 1.5%
Value $8.104M Shares 276,578 Share Price $29.30 * Est. Cost/Share $33.17 Unrealized @ Report Date 0.0%
ALKS ALKERMES PLC 1.4%
Value $7.314M Shares 221,513 Share Price $33.02 Est. Cost/Share $22.36 Unrealized @ Report Date +45.9%
GOSS GOSSAMER BIO INC 1.3%
Value $6.905M Shares 6,276,893 Share Price $1.10 * Est. Cost/Share $1.58 Unrealized @ Report Date -26.8%
ALGN ALIGN TECHNOLOGY INC 1.1%
Value $6M Shares 37,772 Share Price $158.86 * Est. Cost/Share $149.18 Unrealized @ Report Date +31.6%
SNDX SYNDAX PHARMACEUTICALS INC 1.0%
Value $5.459M Shares 444,367 Share Price $12.29 * Est. Cost/Share $16.60 Unrealized @ Report Date -15.0%
— ACELYRIN INC 0.8%
Value $4.428M Shares 1,792,895 Share Price $2.47 Est. Cost/Share $6.67 Unrealized @ Report Date —
DYN DYNE THERAPEUTICS INC 0.7%
Value $3.487M Shares 333,391 Share Price $10.46 * Est. Cost/Share $14.30 Unrealized @ Report Date 0.0%
MIRM MIRUM PHARMACEUTICALS INC 0.6%
Value $2.915M Shares 64,700 Share Price $45.05 * Est. Cost/Share $15.56 Unrealized @ Report Date +203.0%
EW EDWARDS LIFESCIENCES CORP 0.5%
Value $2.861M Shares 39,473 Share Price $72.48 Est. Cost/Share $72.66 Unrealized @ Report Date -1.5%
— VERVE THERAPEUTICS INC 0.5%
Value $2.631M Shares 575,817 Share Price $4.57 Est. Cost/Share $13.94 Unrealized @ Report Date —
BNTX BIONTECH SE-ADR 0.4%
Value $2.295M Shares 25,206 Share Price $91.06 Est. Cost/Share $118.77 Unrealized @ Report Date —
BCYC BICYCLE THERAPEUTICS PLC-ADR 0.4%
Value $2.113M Shares 248,934 Share Price $8.49 Est. Cost/Share $16.07 Unrealized @ Report Date —
TVTX TRAVERE THERAPEUTICS INC 0.4%
Value $1.984M Shares 110,719 Share Price $17.92 * Est. Cost/Share $23.56 Unrealized @ Report Date -13.8%
TSHA TAYSHA GENE THERAPIES INC 0.4%
Value $1.973M Shares 1,419,468 Share Price $1.39 * Est. Cost/Share $1.87 Unrealized @ Report Date -10.7%
NBIX NEUROCRINE BIOSCIENCES INC 0.3%
Value $1.475M Shares 13,334 Share Price $110.60 * Est. Cost/Share $126.68 Unrealized @ Report Date 0.0%
NUVB NUVATION BIO INC 0.3%
Value $1.36M Shares 772,652 Share Price $1.76 * Est. Cost/Share $1.92 Unrealized @ Report Date +18.5%
ALDX ALDEYRA THERAPEUTICS INC 0.2%
Value $1.296M Shares 225,465 Share Price $5.75 * Est. Cost/Share $5.95 Unrealized @ Report Date -0.6%
— KARYOPHARM THERAPEUTICS INC 0.2%
Value $1.212M Shares 324,032 Share Price $3.74 Est. Cost/Share $16.36 Unrealized @ Report Date —
ACRS ACLARIS THERAPEUTICS INC 0.2%
Value $1.187M Shares 776,028 Share Price $1.53 * Est. Cost/Share $1.44 Unrealized @ Report Date +47.9%
HUM HUMANA INC 0.2%
Value $1.054M Shares 3,985 Share Price $264.60 Est. Cost/Share $369.63 Unrealized @ Report Date -27.8%
PYXS PYXIS ONCOLOGY INC 0.2%
Value $1.017M Shares 1,037,421 Share Price $0.98 * Est. Cost/Share $2.98 Unrealized @ Report Date -55.3%
STOK STOKE THERAPEUTICS INC 0.2%
Value $837K Shares 125,861 Share Price $6.65 * Est. Cost/Share $6.06 Unrealized @ Report Date +53.9%
VYNE VYNE THERAPEUTICS INC PIPE 0.1%
Value $704K Shares 445,434 Share Price $1.58 * Est. Cost/Share $3.12 Unrealized @ Report Date -21.0%
ABEO ABEONA THERAPEUTICS INC 0.1%
Value $518K Shares 108,865 Share Price $4.76 * Est. Cost/Share $6.04 Unrealized @ Report Date -10.0%
URGN UROGEN PHARMA LTD 0.1%
Value $271K Shares 24,500 Share Price $11.06 * Est. Cost/Share $27.01 Unrealized @ Report Date -60.5%
TIL INSTIL BIO INC 0.0%
Value $194K Shares 11,165 Share Price $17.36 * Est. Cost/Share $23.54 Unrealized @ Report Date -11.9%
AKTX AKARI THERAPEUTICS PLC-ADR 0.0%
Value $181K Shares 146,024 Share Price $1.24 Est. Cost/Share $1.22 Unrealized @ Report Date —
RLMD RELMADA THERAPEUTICS INC 0.0%
Value $134K Shares 495,146 Share Price $0.27 * Est. Cost/Share $3.27 Unrealized @ Report Date -89.9%
— GENERATION BIO CO 0.0%
Value $60,942 Shares 150,475 Share Price $0.40 Est. Cost/Share $2.82 Unrealized @ Report Date —