Fund HoldingsBAKER BROS. ADVISORS LP

Total Portfolio Value
$17.28B
Total Bought
$976.32M
Total Sold
$1.06B
Net Transaction
-$82.75M
Filing Period:
Securities
SharesValue ($K)
Q1 2023
Q2 2023
Change
Q1 2023
Q2 2023
Weight (%)
Change
ACADIA Pharmaceuticals Inc.41,938,48642,864,612+926,126789,2821,026,6075.94%+237,325
Invitae Corporation0000135,0000.78%+135,000
Roivant Sciences Ltd.(ROIV)4,777,4309,428,592+4,651,16235,25795,0400.55%+59,783
Immatics N.V.(IMTX)5,187,0815,640,816+453,73535,79165,0950.38%+29,304
ImmunoGen, Inc.01,520,097+1,520,097028,6840.17%+28,684
AbCellera Biologics Inc.(ABCL)10,450,18016,450,180+6,000,00078,794106,2680.62%+27,474
Immunocore Holdings plc(IMCR)2,520,7312,520,7310124,625151,1430.87%+26,518
Replimune Group, Inc.4,578,2804,578,280080,852106,3080.62%+25,455
2seventy bio, Inc.02,497,526+2,497,526025,2750.15%+25,275
Chinook Therapeutics, Inc.1,455,2021,455,202033,68855,9090.32%+22,221
Akero Therapeutics, Inc.2,368,3782,368,378090,614110,5800.64%+19,965
DICE Therapeutics, Inc.1,035,7861,035,786029,67548,1230.28%+18,447
Denali Therapeutics Inc.(DNLI)1,088,7381,455,322+366,58425,08542,9470.25%+17,862
Monte Rosa Therapeutics, Inc.(GLUE)375,0953,023,951+2,648,8562,92220,7140.12%+17,792
Ultragenyx Pharmaceutical Inc.(RARE)470,974783,059+312,08518,88636,1230.21%+17,236
Kymera Therapeutics, Inc.(KYMR)2,879,8254,375,340+1,495,51585,329100,5890.58%+15,260
Revolution Medicines, Inc.(RVMD)2,691,4932,691,493058,29871,9970.42%+13,700
IDEAYA Biosciences, Inc.(IDYA)832,7691,062,123+229,35411,43424,9600.14%+13,526
Kodiak Sciences Inc.(KOD)17,310,49017,310,4900107,325119,4420.69%+12,117
Day One Biopharmaceuticals, Inc.
COM
01,000,000+1,000,000011,9400.07%+11,940
Sana Biotechnology, Inc.02,000,000+2,000,000011,9200.07%+11,920
Cogent Biosciences, Inc.(COGT)0979,600+979,600011,5980.07%+11,598
Verastem, Inc.01,336,485+1,336,48509,9430.06%+9,943
Relay Therapeutics, Inc.(RLAY)284,0001,160,117+876,1174,67714,5710.08%+9,894
Cabaletta Bio, Inc.1,344,0001,594,000+250,00011,11520,5790.12%+9,464
Kiniksa Pharmaceuticals, Ltd.2,799,5772,809,577+10,00030,12339,5590.23%+9,435
SpringWorks Therapeutics, Inc.2,753,5022,999,846+246,34470,87578,6560.46%+7,781
Verve Therapeutics, Inc.1,416,5301,416,530020,42626,5600.15%+6,134
Stoke Therapeutics, Inc.(STOK)2,115,4162,130,238+14,82217,62122,6440.13%+5,023
argenx SE(ARGX)280,159280,1590104,382109,1860.63%+4,805
Summit Therapeutics Inc.(SMMT)6,304,7056,304,705011,03315,8250.09%+4,792
Mereo BioPharma Group PLC03,554,979+3,554,97904,6930.03%+4,693
Nurix Therapeutics, Inc.(NRIX)3,882,1253,882,125034,47338,7820.22%+4,309
Gracell Biotechnologies Inc.01,000,000+1,000,00003,8100.02%+3,810
Leap Therapeutics, Inc.01,172,175+1,172,17503,6690.02%+3,669
Talis Biomedical Corporation07,624,835+7,624,83503,6600.02%+3,660
Bicycle Therapeutics plc843,814843,814017,94821,5340.12%+3,586
Athira Pharma, Inc.2,350,3553,153,807+803,4525,8769,3040.05%+3,428
Geron Corporation3,061,2243,061,22406,6439,8270.06%+3,184
Entrada Therapeutics, Inc.4,865,8194,865,819070,55473,6690.43%+3,114
DBV Technologies S.A.14,614,26414,614,264024,69827,7670.16%+3,069
Prime Medicine, Inc.1,028,4661,028,466012,65015,0670.09%+2,417
POINT Biopharma Global Inc.1,169,1031,169,10308,49910,5920.06%+2,093
Xenon Pharmaceuticals Inc.(XENE)751,639751,639026,90128,9380.17%+2,037
Pacific Biosciences of California, Inc.1,127,7821,127,782013,06015,0000.09%+1,940
Perspective Therapeutics, Inc.02,319,286+2,319,28601,5490.01%+1,549
Insmed Incorporated(INSM)343,000343,00005,8487,2370.04%+1,389
HOOKIPA Pharma Inc.3,475,5354,425,535+950,0002,5583,8940.02%+1,336
TScan Therapeutics, Inc.2,784,7922,784,79205,8486,9620.04%+1,114
Praxis Precision Medicines, Inc.1,879,9151,879,91501,5212,1620.01%+641
Vaxcyte, Inc.(PCVX)48,88548,88501,8322,4410.01%+609
Aeglea BioTherapeutics, Inc.3,410,1063,410,10609891,5360.01%+547
Edgewise Therapeutics, Inc.(EWTX)500,000500,00003,3353,8750.02%+540
Kala Pharmaceuticals, Inc.76,813116,213+39,4001,1561,6960.01%+540
Neoleukin Therapeutics, Inc.3,821,7403,821,74002,6753,1720.02%+497
PMV Pharmaceuticals, Inc.322,024322,02401,5362,0160.01%+480
ARS Pharmaceuticals, Inc.2,006,4512,006,451013,06213,4430.08%+381
bluebird bio, Inc.2,499,7152,499,71507,9498,2240.05%+275
Aligos Therapeutics, Inc.2,076,4002,076,40001,8152,0160.01%+201
Allogene Therapeutics, Inc.1,576,9011,576,90107,7907,8370.05%+47
Vincerx Pharma, Inc.0225,579+225,57902930.00%+293
Foghorn Therapeutics Inc.045,027+45,02703170.00%+317
Surrozen, Inc.0833,333+833,3330460.00%+46
Genetron Holdings Limited0455,306+455,30604230.00%+423
iTeos Therapeutics, Inc.150,346150,34602,0461,9910.01%-56
Achilles Therapeutics plc2,591,3662,557,149-34,2172,4812,4170.01%-64
Bellicum Pharmaceuticals, Inc.000000
Compass Therapeutics, Inc.1,557,6301,557,63005,0934,9530.03%-140
Protara Therapeutics, Inc.199,671199,67106254770.00%-148
Alector, Inc.964,851964,85105,9725,7990.03%-174
Vera Therapeutics, Inc.(VERA)333,333146,464-186,8692,5872,3510.01%-236
Century Therapeutics, Inc.1,149,3401,149,34003,9883,6320.02%-356
Xencor, Inc.(XNCR)123,127123,12703,4343,0740.02%-360
Aadi Bioscience, Inc.989,928989,92807,1676,7710.04%-396
Design Therapeutics, Inc.626,884500,000-126,8843,6173,1500.02%-467
Tango Therapeutics, Inc.(TNGX)750,000750,00002,9632,4900.01%-472
Atreca, Inc.3,532,7603,532,76004,0273,4620.02%-565
Adaptimmune Therapeutics plc9,830,87710,969,282+1,138,40510,71610,1470.06%-569
Instil Bio, Inc.5,273,7895,273,78903,4852,9060.02%-579
Natera, Inc.(NTRA)100,000100,00005,5524,8660.03%-686
Nkarta, Inc.400,000271,329-128,6711,4205940.00%-826
Affimed N.V.6,596,8306,596,83004,9193,9460.02%-972
Sera Prognostics, Inc.1,789,0001,777,435-11,5656,8525,8570.03%-995
AnaptysBio, Inc.775,924775,924016,88415,7820.09%-1,102
TCR2 Therapeutics Inc.753,0640-753,0641,1300-1,130
Vor Biopharma Inc.633,848633,84803,4101,9590.01%-1,452
Mirati Therapeutics, Inc.1,409,7841,409,784052,41650,9350.29%-1,480
Fate Therapeutics, Inc.1,671,7171,671,71709,5297,9570.05%-1,571
MacroGenics, Inc.892,579892,57906,4004,7750.03%-1,624
Veru Inc.1,609,5790-1,609,5791,8670-1,867
Invitae Corporation8,881,1048,881,104011,98910,0360.06%-1,954
Atara Biotherapeutics, Inc.744,1860-744,1862,1580-2,158
Aravive, Inc.3,261,2243,261,22406,5224,1090.02%-2,413
Leap Therapeutics, Inc.7,425,5700-7,425,5702,5250-2,525
Heron Therapeutics, Inc.8,131,6788,131,678012,2799,4330.05%-2,846
Opthea Limited2,691,3912,691,391010,6317,5360.04%-3,095
Talis Biomedical Corporation7,624,8350-7,624,8353,7360-3,736
Mersana Therapeutics, Inc.1,886,1151,086,115-800,0007,7523,5730.02%-4,179
Krystal Biotech, Inc.(KRYS)302,716169,934-132,78224,23519,9500.12%-4,285
Aerovate Therapeutics, Inc.1,963,4791,963,479039,60333,6740.19%-5,930
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