Fund Holdings — BAKER BROS. ADVISORS LP

Total Portfolio Value:
$13.84B
Total Bought:
$1.77B
Total Sold:
$273.58M
Net Transaction:
+$1.50B
Notable People:
Scott Lawrence Lessing, Baker Bros. Advisors (Gp), Llc
Securities
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SharesValue
Q2 2025
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Q3 2025
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Change
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Q2 2025
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Q3 2025
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Weight (%)
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Change
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BeOne Medicines AGADS(ONC)8,799,0538,799,0530$2.13B$3.00B21.66%+$867.85M
Incyte Corporation(INCY)30,743,27530,743,663+388$2.09B$2.61B18.84%+$513.75M
Madrigal Pharmaceuticals, Inc.(MDGL)1,976,0182,141,701+165,683$598.02M$982.31M7.10%+$384.29M
Insmed Incorporated(INSM)7,712,9006,703,484-1,009,416$776.23M$965.37M6.98%+$189.14M
ACADIA Pharmaceuticals Inc.42,896,69042,896,6900$925.28M$915.42M6.61%-$9.87M
Summit Therapeutics Inc.(SMMT)33,722,97433,722,9740$717.62M$696.72M5.03%-$20.91M
Rhythm Pharmaceuticals, Inc.(RYTM)5,604,4835,604,4830$354.15M$566.00M4.09%+$211.85M
Revolution Medicines, Inc.(RVMD)9,364,9729,455,357+90,385$344.54M$441.57M3.19%+$97.03M
Celcuity Inc.(CELC)5,450,4457,915,792+2,465,347$72.76M$391.04M2.83%+$318.28M
Kymera Therapeutics, Inc.(KYMR)6,651,4296,651,4290$290.27M$376.47M2.72%+$86.20M
Kodiak Sciences Inc.(KOD)17,310,49017,310,4900$64.57M$283.37M2.05%+$218.80M
Alkermes plcSHS(ALKS)6,410,6038,091,351+1,680,748$183.41M$242.74M1.75%+$59.33M
AbCellera Biologics Inc.(ABCL)27,525,64027,525,6400$94.41M$138.45M1.00%+$44.04M
Edgewise Therapeutics, Inc.(EWTX)7,305,9407,305,9400$95.78M$118.50M0.86%+$22.72M
Kiniksa Pharmaceuticals International, plcCL A(KNSA)2,824,6692,824,6690$78.16M$109.68M0.79%+$31.52M
Stoke Therapeutics, Inc.(STOK)4,633,8384,633,8380$52.59M$108.90M0.79%+$56.30M
Immatics N.V.SHS(IMTX)10,168,90112,094,094+1,925,193$54.71M$103.04M0.74%+$48.33M
GRAIL, Inc.(GRAL)1,630,1251,630,1250$83.82M$96.39M0.70%+$12.57M
IDEAYA Biosciences, Inc.(IDYA)2,118,7283,275,444+1,156,716$44.54M$89.12M0.64%+$44.59M
Immunovant, Inc.(IMVT)5,457,8815,457,8810$87.33M$87.98M0.64%+$654.9K
Immunocore Holdings plcADS(IMCR)2,322,6562,322,6560$72.88M$84.38M0.61%+$11.50M
Bicycle Therapeutics plcADS10,885,35710,885,3570$75.65M$84.25M0.61%+$8.60M
Ultragenyx Pharmaceutical Inc.(RARE)2,772,6922,772,6920$100.82M$83.40M0.60%-$17.41M
ABIVAX Société AnonymeADS(ABVX)0875,796+875,796$0$74.36M0.54%+$74.36M
Arrowhead Pharmaceuticals, Inc.(ARWR)939,1741,670,762+731,588$14.84M$57.62M0.42%+$42.79M
Roivant Sciences Ltd.SHS(ROIV)3,767,7733,767,7730$42.46M$57.01M0.41%+$14.54M
Denali Therapeutics Inc.(DNLI)3,731,6953,731,6950$52.21M$54.18M0.39%+$1.98M
Merus N.V.574,377574,3770$30.21M$54.08M0.39%+$23.87M
Intellia Therapeutics, Inc.(NTLA)2,675,6742,746,674+71,000$25.10M$47.44M0.34%+$22.34M
Replimune Group, Inc.(REPL)11,045,33611,045,3360$102.61M$46.28M0.33%-$56.33M
Rapport Therapeutics, Inc.(RAPP)550,0901,547,090+997,000$6.25M$45.95M0.33%+$39.69M
Structure Therapeutics Inc.ADS2,508,7671,556,109-952,658$52.03M$43.57M0.31%-$8.46M
Celcuity Inc.NOTE 2 75 8 1 2031(CELC)000$0$40.91M0.30%+$40.91M
Viridian Therapeutics, Inc.(VRDN)1,744,4061,744,4060$24.39M$37.64M0.27%+$13.26M
Ionis Pharmaceuticals, Inc.(IONS)0566,798+566,798$0$37.08M0.27%+$37.08M
Praxis Precision Medicines, Inc.(PRAX)689,488689,4880$28.99M$36.54M0.26%+$7.55M
Monte Rosa Therapeutics, Inc.(GLUE)4,916,0954,916,0950$22.17M$36.43M0.26%+$14.26M
BioNTech SEADS(BNTX)368,923368,9230$39.28M$36.38M0.26%-$2.90M
Nurix Therapeutics, Inc.(NRIX)3,882,1253,882,1250$44.22M$35.87M0.26%-$8.35M
Dianthus Therapeutics, Inc.(DNTH)789,759789,7590$14.71M$31.08M0.22%+$16.36M
Entrada Therapeutics, Inc.(TRDA)4,865,8194,865,8190$32.70M$28.22M0.20%-$4.48M
argenx SEADR(ARGX)37,76037,7600$20.81M$27.85M0.20%+$7.04M
Avidity Biosciences, Inc.0625,000+625,000$0$27.23M0.20%+$27.23M
Vaxcyte, Inc.(PCVX)640,885640,8850$20.84M$23.08M0.17%+$2.25M
Disc Medicine, Inc.(IRON)337,050337,0500$17.85M$22.27M0.16%+$4.42M
Cidara Therapeutics, Inc.227,272227,2720$11.07M$21.76M0.16%+$10.69M
Celldex Therapeutics, Inc.(CLDX)665,370665,3700$13.54M$17.21M0.12%+$3.67M
Neurogene Inc.(NGNE)991,691991,6910$14.83M$17.19M0.12%+$2.36M
Sera Prognostics, Inc.CL A(SERA)5,498,1705,498,1700$15.23M$16.82M0.12%+$1.59M
Spyre Therapeutics, Inc.(SYRE)626,7031,000,000+373,297$9.38M$16.76M0.12%+$7.38M
Cerus Corporation(CERS)12,883,84410,008,345-2,875,499$18.17M$15.91M0.11%-$2.25M
Akero Therapeutics, Inc.324,630324,6300$17.32M$15.41M0.11%-$1.91M
Xenon Pharmaceuticals Inc.(XENE)370,208370,2080$11.59M$14.86M0.11%+$3.28M
DBV Technologies S.A.ADS(DBVT)1,461,4251,461,4250$13.39M$14.61M0.11%+$1.23M
Prelude Therapeutics Incorporated(PRLD)10,123,82410,123,8240$8.19M$14.58M0.11%+$6.38M
Arcellx, Inc.
COMMON STOCK
166,825166,8250$10.99M$13.70M0.10%+$2.71M
CytomX Therapeutics, Inc.(CTMX)3,484,2264,250,826+766,600$7.91M$13.56M0.10%+$5.65M
Taysha Gene Therapies, Inc.(TSHA)4,004,7564,004,7560$9.25M$13.10M0.09%+$3.84M
Xencor, Inc.(XNCR)670,4311,102,106+431,675$5.27M$12.93M0.09%+$7.66M
Design Therapeutics, Inc.(DSGN)1,712,8821,712,8820$5.77M$12.90M0.09%+$7.13M
Nuvalent, Inc.143,937143,9370$10.98M$12.45M0.09%+$1.47M
Sionna Therapeutics, Inc.(SION)400,000400,0000$6.94M$11.76M0.09%+$4.82M
Crinetics Pharmaceuticals, Inc.280,000280,0000$8.05M$11.66M0.08%+$3.61M
Viking Therapeutics, Inc.(VKTX)0366,083+366,083$0$9.62M0.07%+$9.62M
Pharvaris N.V.
COM
0375,000+375,000$0$9.36M0.07%+$9.36M
Agios Pharmaceuticals, Inc.(AGIO)189,866189,8660$6.31M$7.62M0.06%+$1.31M
Sana Biotechnology, Inc.(SANA)2,030,9492,030,9490$5.54M$7.21M0.05%+$1.67M
Sagimet Biosciences Inc.COM SER A(SGMT)952,996952,9960$7.26M$6.54M0.05%-$724.3K
Alumis Inc.1,562,5001,562,5000$4.69M$6.23M0.05%+$1.55M
Relay Therapeutics, Inc.(RLAY)1,160,1171,160,1170$4.01M$6.06M0.04%+$2.04M
Skye Bioscience, Inc.(SKYE)1,450,6381,450,6380$6.06M$5.70M0.04%-$362.7K
Heron Therapeutics, Inc.(HRTX)04,251,951+4,251,951$0$5.36M0.04%+$5.36M
TScan Therapeutics, Inc.(TCRX)2,784,7922,784,7920$4.04M$5.07M0.04%+$1.03M
MBX Biosciences, Inc.(MBX)0277,777+277,777$0$4.86M0.04%+$4.86M
vTv Therapeutics Inc.CL A(VTVT)97,314148,314+51,000$1.46M$3.46M0.03%+$2.00M
Ventyx Biosciences, Inc.01,023,130+1,023,130$0$3.18M0.02%+$3.18M
LB Pharmaceuticals Inc(LBRX)0200,000+200,000$0$3.16M0.02%+$3.16M
Vir Biotechnology, Inc.(VIR)542,539542,5390$2.73M$3.10M0.02%+$363.5K
Wave Life Sciences, Inc.SHS(WVE)344,063344,0630$2.24M$2.52M0.02%+$282.1K
Enliven Therapeutics, Inc.114,833114,8330$2.30M$2.35M0.02%+$47.1K
Protara Therapeutics, Inc.(TARA)536,832536,8320$1.63M$2.34M0.02%+$708.6K
Tectonic Therapeutic, Inc.(TECX)100,000100,0000$1.99M$1.57M0.01%-$418.0K
KALA BIO, Inc.(KALA)1,201,894985,093-216,801$5.72M$1.51M0.01%-$4.21M
Generation Bio Co.0194,493+194,493$0$1.19M0.01%+$1.19M
Contineum Therapeutics, Inc.CL A(CTNM)312,50077,670-234,830$1.24M$912.6K0.01%-$328.0K
Aligos Therapeutics, Inc.(ALGS)83,05583,0550$598.8K$813.9K0.01%+$215.1K
Yarrow Bioscience Inc(YARW)0851,353+851,353$0$285.2K0.00%+$285.2K
Tyra Biosciences, Inc.(TYRA)10,60710,6070$101.5K$148.4K0.00%+$46.9K
Acrivon Therapeutics, Inc.22,80922,8090$27.1K$41.3K0.00%+$14.1K
Surrozen, Inc.W EXP 8 11 2026(SRZN)833,333833,3330$15.1K$14.8K0.00%-$250
Ceryvyn Therapeutics LimitedADS(CKDXF)2,087,3202,087,3200$0$0—$0
Blueprint Medicines Corporation125,5380-125,538$16.09M$0—-$16.09M
Candel Therapeutics, Inc.(CADL)355,1120-355,112$1.80M$0—-$1.80M
Fate Therapeutics, Inc.(FATE)2,485,0180-2,485,018$2.78M$0—-$2.78M
Generation Bio Co.1,944,9450-1,944,945$622.6K$0—-$622.6K
HOOKIPA Pharma Inc.812,8140-812,814$1.02M$0—-$1.02M
IGM Biosciences, Inc.4,096,2100-4,096,210$4.59M$0—-$4.59M
Neumora Therapeutics, Inc.(NMRA)1,034,6000-1,034,600$758.7K$0—-$758.7K
Rocket Pharmaceuticals, Inc.(RCKT)552,0790-552,079$1.35M$0—-$1.35M
Verona Pharma plcADS223,8430-223,843$21.17M$0—-$21.17M
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BAKER BROS. ADVISORS LP — 13F Holdings — Q3 2025 | TickerTrail