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13F-HR filed by BAKER BROS. ADVISORS LP

BAKER BROS. ADVISORS LP filed this 13F-HR for the quarter ended 2026-06-30, filed 2026-08-14, with 84 holding rows worth $19,955,238,553.

Accession
0001104659-26-097191
Filed
2026-08-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q2 2026

A holdings report, 84 entries on the cover page, a total value of $19,955,238,553 stated on the cover page (in dollars after the unit check, H1), rows summing to $19,955,238,553 with VALUE read as dollars as filed, 13F file number 028-10519. The quarter's positions are built on this report. The resolved quarter.

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
INCYTE CORP COM45337C102Stock30,762,330$3,487,217,729dollars as filed
BEONE MEDICINES LTD SPONSORED ADS07725L102ADR8,801,567$2,508,182,548dollars as filed
REVOLUTION MEDICINES INC COM76155X100Stock11,443,357$2,143,111,899dollars as filed
MADRIGAL PHARMACEUTICALS INC COM558868105Stock2,143,131$1,150,754,190dollars as filed
ACADIA PHARMACEUTICALS INC004225108COM42,912,904$1,085,696,471dollars as filed
KYMERA THERAPEUTICS INC501575104COM8,657,242$992,725,940dollars as filed
INSMED INC COM PAR $.01457669307Stock8,796,111$937,841,355dollars as filed
CELCUITY INC15102K100COM7,915,792$828,150,159dollars as filed
KODIAK SCIENCES INC50015M109COM19,919,186$776,051,487dollars as filed
RHYTHM PHARMACEUTICALS INC76243J105COM5,604,483$622,265,747dollars as filed
PRAXIS PRECISION MEDICINES I74006W207COM NEW1,753,198$586,953,158dollars as filed
ALKERMES PLCG01767105SHS10,012,267$524,592,729dollars as filed
SUMMIT THERAPEUTICS INC86627T108COM32,786,348$477,697,090dollars as filed
GRAIL INC384747101COM4,028,614$275,033,478dollars as filed
ABCELLERA BIOLOGICS INC COM00288U106Stock33,012,138$259,145,283dollars as filed
IMMUNOVANT INC45258J102COM5,435,220$209,419,027dollars as filed
IDEAYA BIOSCIENCES INC COM45166A102Stock5,010,030$186,723,818dollars as filed
KINIKSA PHARMACEUTICALS INTL P ORD SHS CL AG52694109Stock2,834,643$181,275,420dollars as filed
ROIVANT SCIENCES LTDG76279101SHS4,716,831$166,928,649dollars as filed
ARROWHEAD PHARMACEUTICALS IN04280A100COM1,992,783$162,431,742dollars as filed
IONIS PHARMACEUTICALS INC COM462222100Stock2,047,727$162,364,274dollars as filed
EDGEWISE THERAPEUTICS INC28036F105COM3,701,719$150,400,843dollars as filed
REPLIMUNE GROUP INC76029N106COMMON STOCK11,045,336$122,271,870dollars as filed
NURIX THERAPEUTICS INC67080M103COMMON STOCK4,658,556$113,016,569dollars as filed
STOKE THERAPEUTICS INC86150R107COM3,336,697$109,176,726dollars as filed
MONTE ROSA THERAPEUTICS INC61225M102COM4,345,736$105,166,811dollars as filed
IMMATICS N.VN44445109SHS9,508,565$96,321,763dollars as filed
DENALI THERAPEUTICS INC COM24823R105Stock3,734,336$96,047,122dollars as filed
CRINETICS PHARMACEUTICALS INC COM22663K107Stock2,351,465$87,991,820dollars as filed
DIANTHUS THERAPEUTICS INC252828108COM852,164$83,068,947dollars as filed
STRUCTURE THERAPEUTICS INC COMP86366E106EQUITY1,432,529$76,883,831dollars as filed
CELCUITY INC15102KAA8NOTE 2.750% 8/030,750,000$69,158,687dollars as filedprincipal
RAPPORT THERAPEUTICS INC COM75383L102Stock1,547,090$64,467,240dollars as filed
ALUMIS INC022307102COM2,012,500$56,631,750dollars as filed
PRELUDE THERAPEUTICS INC74065P101CMN10,123,824$53,959,982dollars as filed
RELAY THERAPEUTICS INC COM75943R102Stock2,826,783$52,889,110dollars as filed
MIRUM PHARMACEUTICALS INC604749101COM445,975$52,210,293dollars as filed
BICYCLE THERAPEUTICS PLC-ADR088786108SPONSORED ADS10,885,357$46,153,914dollars as filed
ENLIVEN THERAPEUTICS INC COM29337E102Stock905,191$45,938,443dollars as filed
CELLDEX THERAPEUTICS INC NEW15117B202COM NEW1,182,611$44,004,955dollars as filed
VIRIDIAN THERAPEUTICS INC92790C104COM2,383,025$43,776,169dollars as filed
DESIGN THERAPEUTICS INC25056L103COM2,678,430$38,756,882dollars as filed
ENTRADA THERAPEUTICS INC COM29384C108Stock5,072,730$37,335,293dollars as filed
FAETH THERAPEUTICS INC81728A207COM NEW1,286,411$32,160,275dollars as filed
AKTIS ONCOLOGY INC01021M104COMMON STOCK996,351$32,112,393dollars as filed
NEUROGENE INC64135M105COMMON STOCK991,691$31,188,682dollars as filed
JADE BIOSCIENCES INC008064206COM NEW1,230,426$27,340,066dollars as filed
TAYSHA GENE THERAPIES INC877619106COMMON STOCK4,004,756$27,272,388dollars as filed
ARCUS BIOSCIENCES INC03969F109COM844,816$26,045,677dollars as filed
DISC MEDICINE INC COM254604101Stock349,657$25,573,913dollars as filed
ABSCI CORPORATION00091E109COM2,134,803$24,742,367dollars as filed
GENERATE BIOMEDICINES INC370920100COMMON STOCK1,423,602$24,016,166dollars as filed
DBV TECHNOLOGIES S A23306J309SPONSORED ADS1,461,425$23,967,370dollars as filed
XENON PHARMACEUTICALS INC COM98420N105Stock370,208$22,345,755dollars as filed
TECTONIC THERAPEUTIC INC878972108COMMON STOCK607,788$20,892,713dollars as filed
CERUS CORP157085101COM6,395,431$18,674,659dollars as filed
CYTOMX THERAPEUTICS INC23284F105COMMON STOCK4,975,826$18,659,348dollars as filed
DYNE THERAPEUTICS INC COM26818M108Stock813,449$18,066,702dollars as filed
CYTOKINETICS INC23282W605COM NEW211,267$17,997,836dollars as filed
XENCOR INC98401F105COMMON STOCK1,102,106$17,743,907dollars as filed
SIONNA THERAPEUTICS INC829401108COMMON STOCK400,000$17,596,000dollars as filed
INTELLIA THERAPEUTICS INC45826J105COM930,232$15,739,525dollars as filed
PARABILIS MEDICINES INC COM698955101Stock500,000$13,685,000dollars as filed
MAPLIGHT THERAPEUTICS INC56565P103COMMON STOCK364,705$13,071,027dollars as filed
AVALYN PHARMA INC05348Y105COMMON STOCK350,000$11,522,000dollars as filed
EVOMMUNE INC30054Y107COMMON STOCK847,390$11,261,813dollars as filed
BIONTECH SE SPONSORED ADS09075V102ADR119,743$11,142,086dollars as filed
TANGO THERAPEUTICS INC87583X109COM333,333$10,419,990dollars as filed
AVALO THERAPEUTICS INC05338F306COMMON STOCK550,000$10,164,000dollars as filed
SERA PROGNOSTICS INC81749D107CMN5,498,170$10,006,669dollars as filed
VERASTEM INC92337C203COMMON STOCK2,499,338$9,547,471dollars as filed
SAGIMET BIOSCIENCES INC A786700104COMMON STOCK952,996$7,366,659dollars as filed
EIKON THERAPEUTICS INC282564103COMMON STOCK555,555$7,249,993dollars as filed
LB PHARMACEUTICALS INC50180M108COMMON STOCK200,000$6,491,000dollars as filed
VTV THERAPEUTICS INC918385204CL A NEW148,314$5,584,022dollars as filed
WAVE LIFE SCIENCES LTD SHSY95308105Stock822,638$4,779,527dollars as filed
PROTARA THERAPEUTICS INC74365U107COM STK971,614$3,711,565dollars as filed
Tscan Therapeutics Inc89854M101COM2,784,792$2,729,375dollars as filed
IMMUNOME INC45257U108COM55,306$1,171,934dollars as filed
SKYE BIOSCIENCE INC83086J200COM NEW1,575,243$1,092,116dollars as filed
SANA BIOTECHNOLOGY INC799566104COM310,483$1,083,586dollars as filed
ALIGOS THERAPEUTICS INC01626L204COM NEW83,055$479,227dollars as filed
TYRA BIOSCIENCES INC90240B106COMMON STOCK10,607$338,788dollars as filed
SURROZEN INC86889P117*W EXP 08/01/203833,333$13,750dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001104659-26-097191this filing2026-08-14acceptance time not in the bulk data set