Fund HoldingsBAKER BROS. ADVISORS LP

Total Portfolio Value
$8.79B
Total Bought
$1.06B
Total Sold
$10.42B
Net Transaction
-$9.35B
Filing Period:
Securities
SharesValue ($K)
Q3 2023
Q4 2023
Change
Q3 2023
Q4 2023
Weight (%)
Change
ACADIA Pharmaceuticals Inc.042,864,612+42,864,61201,342,09115.27%+1,342,091
Madrigal Pharmaceuticals, Inc.(MDGL)01,969,798+1,969,7980455,7725.19%+455,772
Incyte Corporation(INCY)036,179,122+36,179,12202,271,68725.85%+2,271,687
Mirati Therapeutics, Inc.1,409,7844,121,440+2,711,65661,410242,1352.76%+180,724
Rhythm Pharmaceuticals, Inc.(RYTM)6,702,3496,398,365-303,984153,651294,1333.35%+140,481
Invitae Corporation0000131,1531.49%+131,153
Kymera Therapeutics, Inc.(KYMR)05,995,928+5,995,9280152,6561.74%+152,656
Revolution Medicines, Inc.(RVMD)2,691,4935,148,657+2,457,16474,501147,6631.68%+73,163
Cerevel Therapeutics Holdings, Inc.01,600,000+1,600,000067,8400.77%+67,840
Immunocore Holdings plc(IMCR)02,520,731+2,520,7310172,2161.96%+172,216
AbCellera Biologics Inc.(ABCL)20,763,32322,909,753+2,146,43095,511130,8151.49%+35,303
Sera Prognostics, Inc.1,515,3425,434,399+3,919,0572,81932,4980.37%+29,679
Edgewise Therapeutics, Inc.(EWTX)1,049,6993,112,786+2,063,0876,01534,0540.39%+28,039
Kodiak Sciences Inc.(KOD)017,310,490+17,310,490052,6240.60%+52,624
Ultragenyx Pharmaceutical Inc.(RARE)1,366,5471,466,547+100,00048,71770,1300.80%+21,413
Xenon Pharmaceuticals Inc.(XENE)751,639993,679+242,04025,67645,7690.52%+20,093
Gracell Biotechnologies Inc.1,000,0002,080,000+1,080,0002,88020,8830.24%+18,003
Bicycle Therapeutics plc843,8141,790,390+946,57616,95232,3700.37%+15,418
Cerus Corporation019,477,339+19,477,339042,0710.48%+42,071
Prelude Therapeutics Inc.010,123,824+10,123,824043,2290.49%+43,229
Aerovate Therapeutics, Inc.1,963,4791,680,517-282,96226,64438,0300.43%+11,386
Celldex Therapeutics, Inc.(CLDX)0247,644+247,64409,8220.11%+9,822
Nurix Therapeutics, Inc.(NRIX)3,882,1253,882,125030,51440,0640.46%+9,550
IDEAYA Biosciences, Inc.(IDYA)1,062,1231,062,123028,65637,7900.43%+9,134
TScan Therapeutics, Inc.2,784,7922,784,79207,12916,2350.18%+9,106
Neurogene Inc.0453,516+453,51608,7890.10%+8,789
Denali Therapeutics Inc.(DNLI)2,292,0032,607,196+315,19347,28455,9500.64%+8,666
Sagimet Biosciences Inc.01,456,518+1,456,51807,8940.09%+7,894
Invitae Corporation00006,2730.07%+6,273
Stoke Therapeutics, Inc.(STOK)02,030,134+2,030,134010,6790.12%+10,679
Verve Therapeutics, Inc.1,416,5301,691,530+275,00018,78323,5800.27%+4,797
IGM Biosciences, Inc.3,157,7643,691,011+533,24726,36730,6720.35%+4,305
Monte Rosa Therapeutics, Inc.(GLUE)4,916,0954,916,095023,54827,7760.32%+4,228
ARS Pharmaceuticals, Inc.2,006,4512,006,45107,58410,9950.13%+3,411
Leap Therapeutics, Inc.1,172,1751,172,17501,6184,8590.06%+3,241
Relay Therapeutics, Inc.(RLAY)1,160,1171,160,11709,75712,7730.15%+3,016
Opthea Limited2,690,8912,588,645-102,2464,6887,6370.09%+2,949
Celcuity Inc.(CELC)535,478535,47804,8947,8020.09%+2,908
Xencor, Inc.(XNCR)123,127245,431+122,3042,4815,2110.06%+2,729
Day One Biopharmaceuticals, Inc.
COM
1,000,0001,000,000012,27014,6000.17%+2,330
Replimune Group, Inc.(REPL)09,545,336+9,545,336080,4670.92%+80,467
Insmed Incorporated(INSM)343,000343,00008,66110,6300.12%+1,969
HOOKIPA Pharma Inc.8,065,3988,128,151+62,7534,9686,5840.07%+1,616
Biomea Fusion, Inc.02,108,949+2,108,949030,6220.35%+30,622
Immunovant, Inc.(IMVT)425,009425,009016,31617,9060.20%+1,590
Krystal Biotech, Inc.(KRYS)169,934169,934019,71221,0820.24%+1,370
Athira Pharma, Inc.3,153,8073,153,80706,3717,6640.09%+1,293
Mersana Therapeutics, Inc.1,086,1151,086,11501,3792,5200.03%+1,140
Pfizer Inc.(PFE)035,000+35,00001,0080.01%+1,008
Perspective Therapeutics, Inc.7,639,7037,639,70302,0913,0710.03%+980
2seventy bio, Inc.2,497,5262,497,52609,79010,6640.12%+874
Talis Biomedical Corporation508,323508,32302,9333,7870.04%+854
Vaxcyte, Inc.(PCVX)48,88548,88502,4923,0700.03%+578
Kiniksa Pharmaceuticals, Ltd.2,809,5772,809,577048,80249,2800.56%+478
Design Therapeutics, Inc.(DSGN)1,500,0001,500,00003,5403,9750.05%+435
Sana Biotechnology, Inc.(SANA)2,000,0002,000,00007,7408,1600.09%+420
Century Therapeutics, Inc.1,149,340797,460-351,8802,2992,6480.03%+349
Tyra Biosciences, Inc.(TYRA)010,607+10,60701470.00%+147
Adaptimmune Therapeutics plc10,969,28210,969,28208,5568,6990.10%+143
Foghorn Therapeutics Inc.45,02745,02702252900.00%+65
Protara Therapeutics, Inc.199,671199,67103333740.00%+41
Invitae Corporation1,764,5461,764,54601,0681,1060.01%+38
Surrozen, Inc.833,333833,333034160.00%-18
Aligos Therapeutics, Inc.2,076,4002,076,40001,5511,3790.02%-172
Praxis Precision Medicines, Inc.1,879,915131,533-1,748,3823,2152,9310.03%-284
Genetron Holdings Limited455,3060-455,3063700-370
Mirum Pharmaceuticals, Inc.(MIRM)190,476190,47606,0195,6230.06%-396
Achilles Therapeutics plc2,557,1492,102,792-454,3572,3271,8690.02%-457
KALA BIO, Inc.266,613266,61302,3731,8660.02%-507
Atreca, Inc.3,532,7602,177,499-1,355,2619222870.00%-635
Compass Therapeutics, Inc.1,557,6301,557,63003,0692,4300.03%-639
Prime Medicine, Inc.1,028,4661,028,46609,8129,1120.10%-699
Taysha Gene Therapies, Inc.(TSHA)2,504,7564,004,756+1,500,0007,9157,0880.08%-827
PMV Pharmaceuticals, Inc.322,024322,02401,9779980.01%-979
Tango Therapeutics, Inc.(TNGX)750,000750,00008,4457,4250.08%-1,020
Avidity Biosciences, Inc.166,3470-166,3471,0610-1,061
Vor Biopharma Inc.(VOR)633,8480-633,8481,3440-1,344
iTeos Therapeutics, Inc.150,3460-150,3461,6460-1,646
POINT Biopharma Global Inc.249,9680-249,9681,6670-1,667
AnaptysBio, Inc.000000
Instil Bio, Inc.4,704,3950-4,704,3952,0130-2,013
Affimed N.V.4,448,6440-4,448,6442,1260-2,126
Entrada Therapeutics, Inc.4,865,8194,865,819076,88073,4250.84%-3,455
Immatics N.V.(IMTX)5,640,8165,838,853+198,03765,32161,4830.70%-3,838
Aadi Bioscience, Inc.989,928251,727-738,2014,7915080.01%-4,283
Natera, Inc.(NTRA)100,0000-100,0004,4250-4,425
Neoleukin Therapeutics, Inc.1,221,4140-1,221,4144,8250-4,825
Morphic Holding, Inc.215,8000-215,8004,9440-4,944
Summit Therapeutics Inc.(SMMT)3,140,4730-3,140,4735,8730-5,873
DBV Technologies S.A.14,614,26414,614,264019,87513,9240.16%-5,951
Invitae Corporation0006,2080-6,208
Alector, Inc.964,8510-964,8516,2520-6,252
Geron Corporation(GERN)3,061,2240-3,061,2246,4900-6,490
Sagimet Biosciences Inc.815,3590-815,3597,1750-7,175
bluebird bio, Inc.2,499,7150-2,499,7157,5990-7,599
Arvinas, Inc.413,4810-413,4818,1210-8,121
Heron Therapeutics, Inc.8,131,6780-8,131,6788,3760-8,376
Pacific Biosciences of California, Inc.1,127,7820-1,127,7829,4170-9,417
Cogent Biosciences, Inc.(COGT)1,292,9660-1,292,96612,6060-12,606
argenx SE(ARGX)0151,215+151,215057,5270.65%+57,527
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