Fund HoldingsBAKER BROS. ADVISORS LP

Total Portfolio Value
$10.31B
Total Bought
$3.95B
Total Sold
$2.54B
Net Transaction
+$1.41B
Filing Period:
Securities
SharesValue ($K)
Q1 2025
Q2 2025
Change
Q1 2025
Q2 2025
Weight (%)
Change
BeOne Medicines Ltd.(ONC)08,799,053+8,799,05302,129,98720.66%+2,129,987
Insmed Incorporated(INSM)5,380,6267,712,900+2,332,274410,488776,2267.53%+365,738
Summit Therapeutics Inc.(SMMT)24,424,86533,722,974+9,298,109471,156717,6256.96%+246,469
Incyte Corporation(INCY)30,739,95330,743,275+3,3221,861,3042,093,61720.31%+232,313
ACADIA Pharmaceuticals Inc.42,877,91642,896,690+18,774712,202925,2828.98%+213,079
Kymera Therapeutics, Inc.(KYMR)5,995,9296,651,429+655,500164,109290,2682.82%+126,160
Revolution Medicines, Inc.(RVMD)7,936,9729,364,972+1,428,000280,651344,5373.34%+63,886
Rhythm Pharmaceuticals, Inc.(RYTM)5,604,4835,604,4830296,869354,1473.44%+57,278
Structure Therapeutics Inc.361,5652,508,767+2,147,2026,25952,0320.50%+45,773
Ultragenyx Pharmaceutical Inc.(RARE)1,576,1142,772,692+1,196,57857,071100,8150.98%+43,744
GRAIL, Inc.(GRAL)1,630,1251,630,125041,63383,8210.81%+42,188
Alkermes plc(ALKS)4,483,2856,410,603+1,927,318148,038183,4071.78%+35,369
BioNTech SE(BNTX)45,031368,923+323,8924,10139,2790.38%+35,179
AbCellera Biologics Inc.(ABCL)27,525,64027,525,640061,38294,4130.92%+33,031
Celcuity Inc.(CELC)4,257,7355,450,445+1,192,71043,04672,7630.71%+29,718
IDEAYA Biosciences, Inc.(IDYA)1,062,1232,118,728+1,056,60517,39844,5360.43%+27,138
Viridian Therapeutics, Inc.(VRDN)01,744,406+1,744,406024,3870.24%+24,387
Immatics N.V.(IMTX)7,275,83010,168,901+2,893,07132,81454,7090.53%+21,895
Stoke Therapeutics, Inc.(STOK)4,633,8384,633,838030,81552,5940.51%+21,779
Merus N.V.223,500574,377+350,8779,40730,2120.29%+20,805
Intellia Therapeutics, Inc.(NTLA)644,1162,675,674+2,031,5584,58025,0980.24%+20,518
Praxis Precision Medicines, Inc.(PRAX)331,533689,488+357,95512,55528,9930.28%+16,438
Blueprint Medicines Corporation0125,538+125,538016,0910.16%+16,091
Kodiak Sciences Inc.(KOD)17,310,49017,310,490048,55664,5680.63%+16,012
Kiniksa Pharmaceuticals International, plc(KNSA)2,818,3232,824,669+6,34662,59578,1590.76%+15,564
Arrowhead Pharmaceuticals, Inc.(ARWR)0939,174+939,174014,8390.14%+14,839
Dianthus Therapeutics, Inc.(DNTH)0789,759+789,759014,7130.14%+14,713
Disc Medicine, Inc.(IRON)77,050337,050+260,0003,82517,8500.17%+14,025
Verve Therapeutics, Inc.1,691,5301,691,53007,73018,9960.18%+11,266
Cidara Therapeutics, Inc.0227,272+227,272011,0700.11%+11,070
Arcellx, Inc.
COMMON STOCK
0166,825+166,825010,9850.11%+10,985
Nuvalent, Inc.0143,937+143,937010,9820.11%+10,982
Spyre Therapeutics, Inc.(SYRE)0626,703+626,70309,3820.09%+9,382
Celldex Therapeutics, Inc.(CLDX)247,644665,370+417,7264,49513,5400.13%+9,046
Crinetics Pharmaceuticals, Inc.(CRNX)0280,000+280,00008,0530.08%+8,053
CytomX Therapeutics, Inc.03,484,226+3,484,22607,9090.08%+7,909
Verona Pharma plc223,843223,843014,21221,1710.21%+6,959
Agios Pharmaceuticals, Inc.(AGIO)0189,866+189,86606,3150.06%+6,315
Rapport Therapeutics, Inc.(RAPP)0550,090+550,09006,2550.06%+6,255
Roivant Sciences Ltd.(ROIV)3,767,7733,767,773038,01742,4630.41%+4,446
Sagimet Biosciences Inc.952,996952,99603,1077,2620.07%+4,155
Immunocore Holdings plc(IMCR)2,322,6562,322,656068,91372,8850.71%+3,972
Skye Bioscience, Inc.1,450,6381,450,63802,3076,0640.06%+3,757
Taysha Gene Therapies, Inc.(TSHA)4,004,7564,004,75605,5679,2510.09%+3,684
DBV Technologies S.A.(DBVT)1,461,4251,461,42509,96713,3870.13%+3,420
Sionna Therapeutics, Inc.400,000400,00004,1846,9400.07%+2,756
Sana Biotechnology, Inc.(SANA)2,030,9492,030,94903,4125,5440.05%+2,132
Denali Therapeutics Inc.(DNLI)3,731,6953,731,695050,73252,2060.51%+1,474
Relay Therapeutics, Inc.(RLAY)1,160,1171,160,11703,0404,0140.04%+974
Prelude Therapeutics Inc.10,123,82410,123,82407,7758,1940.08%+419
Tectonic Therapeutic, Inc.100,000100,00001,7711,9870.02%+216
Fate Therapeutics, Inc.3,258,4022,485,018-773,3842,5742,7830.03%+209
TScan Therapeutics, Inc.2,784,7922,784,79203,8434,0380.04%+195
HOOKIPA Pharma Inc.812,814812,81408781,0200.01%+142
Enliven Therapeutics, Inc.114,833114,83302,2602,3040.02%+44
Tyra Biosciences, Inc.(TYRA)10,60710,6070991020.00%+3
Opthea Limited2,087,3202,087,3200000
Surrozen, Inc.833,333833,333025150.00%-10
Acrivon Therapeutics, Inc.22,80922,809046270.00%-19
Xenon Pharmaceuticals Inc.(XENE)347,408370,208+22,80011,65611,5880.11%-68
Aligos Therapeutics, Inc.83,05583,05506855990.01%-86
Century Therapeutics, Inc.241,6840-241,6841150-115
IGM Biosciences, Inc.4,095,2574,096,210+9534,7104,5880.04%-122
Leap Therapeutics, Inc.404,7440-404,7441230-123
Generation Bio Co.1,944,9451,944,94507886230.01%-165
vTv Therapeutics, Inc.97,31497,31401,6851,4600.01%-226
Neumora Therapeutics, Inc.1,034,6001,034,60001,0357590.01%-276
Wave Life Sciences Ltd.(WVE)344,063344,06302,7802,2360.02%-544
Monte Rosa Therapeutics, Inc.(GLUE)4,916,0954,916,095022,81122,1720.22%-639
Protara Therapeutics, Inc.536,832536,83202,2871,6270.02%-660
Vir Biotechnology, Inc.(VIR)542,539542,53903,5162,7340.03%-781
Contineum Therapeutics, Inc.312,500312,50002,1811,2410.01%-941
Design Therapeutics, Inc.(DSGN)1,743,7251,712,882-30,8436,7315,7720.06%-958
Compass Therapeutics, Inc.547,4980-547,4981,0400-1,040
KALA BIO, Inc.1,201,8941,201,89406,8875,7210.06%-1,166
Xencor, Inc.(XNCR)670,431670,43107,1335,2700.05%-1,864
Nurix Therapeutics, Inc.(NRIX)3,882,1253,882,125046,12044,2170.43%-1,902
Prime Medicine, Inc.1,028,4660-1,028,4662,0470-2,047
Neurogene Inc.1,486,200991,691-494,50917,40314,8260.14%-2,578
Vaxcyte, Inc.(PCVX)640,885640,885024,20020,8350.20%-3,365
Regulus Therapeutics Inc.2,694,0440-2,694,0444,7150-4,715
Akero Therapeutics, Inc.548,713324,630-224,08322,21217,3220.17%-4,890
Alumis Inc.1,562,5001,562,50009,5944,6880.05%-4,906
Sera Prognostics, Inc.5,498,1705,498,170020,23315,2300.15%-5,003
Replimune Group, Inc.(REPL)11,045,33611,045,3360107,692102,6111.00%-5,081
Immunovant, Inc.(IMVT)5,457,8815,457,881093,27587,3260.85%-5,949
Rocket Pharmaceuticals, Inc.1,097,079552,079-545,0007,3181,3530.01%-5,965
Dyne Therapeutics, Inc.(DYN)672,0960-672,0967,0300-7,030
Cerus Corporation19,351,08712,883,844-6,467,24326,89818,1660.18%-8,732
Ionis Pharmaceuticals, Inc.(IONS)357,9150-357,91510,7980-10,798
Bicara Therapeutics Inc.833,3330-833,33310,8580-10,858
Entrada Therapeutics, Inc.4,865,8194,865,819043,98732,6980.32%-11,289
Candel Therapeutics, Inc.2,437,189355,112-2,082,07713,7701,7970.02%-11,973
2seventy bio, Inc.2,497,5260-2,497,52612,3380-12,338
Bicycle Therapeutics plc10,885,35710,885,357092,41775,6530.73%-16,763
Centessa Pharmaceuticals plc1,227,1780-1,227,17817,6470-17,647
CRISPR Therapeutics AG(CRSP)654,0990-654,09922,2590-22,259
argenx SE(ARGX)77,76037,760-40,00046,02320,8140.20%-25,209
Edgewise Therapeutics, Inc.(EWTX)6,155,9407,305,940+1,150,000135,43195,7810.93%-39,650
Madrigal Pharmaceuticals, Inc.(MDGL)1,974,5901,976,018+1,428654,043598,0225.80%-56,021
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