Baker Bros. Advisors LP
- SEC CIK
- 0001263508
- Latest filing
- Aug 14, 2026
Holdings in Q1 2021
Holdings as of Mar 31, 2021, filed May 17, 2021. Long positions only.
- Positions
- 126
- No 13F data for Q4 2020
- Portfolio value
- $23.1B
- No 13F data for Q4 2020
Livermore's 13F data starts with Q1 2021, so this quarter has no previous quarter to compare with and changes are not shown.
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| SGENSeagen Inc. | COM | 47,270,759 | $6.56B | 28.5% | – | – | History |
| ONCBeOne Medicines Ltd. | ADR | 11,668,897 | $4.06B | 17.6% | – | – | History |
| INCYIncyte Corp | COM | 32,001,387 | $2.60B | 11.3% | – | – | History |
| KODKodiak Sciences Inc. | COM | 13,879,952 | $1.57B | 6.8% | – | – | History |
| ACADAcadia Pharmaceuticals Inc | COM | 41,910,704 | $1.08B | 4.7% | – | – | History |
| ALXNAlexion Pharmaceuticals, Inc. | COM | 3,993,312 | $610.6M | 2.6% | – | – | History |
| NVTAInvitae Corp | COM | 15,749,182 | $601.8M | 2.6% | – | – | History |
| BMRNBiomarin Pharmaceutical Inc | COM | 7,589,294 | $573.1M | 2.5% | – | – | History |
| ASNDAscendis Pharma A/S | SPONSORED ADR | 3,540,270 | $456.3M | 2.0% | – | – | History |
| PRLDPrelude Therapeutics Inc | COM | 10,123,824 | $438.7M | 1.9% | – | – | History |
| ABCLAbCellera Biologics Inc. | COM | 10,450,180 | $354.9M | 1.5% | – | – | History |
| ARGXArgenx SE | SPONSORED ADR | 1,119,557 | $308.3M | 1.3% | – | – | History |
| IGMSIGM Biosciences, Inc. | COM | 3,156,102 | $242.0M | 1.0% | – | – | History |
| MRTXMirati Therapeutics, Inc. | COM | 1,409,784 | $241.5M | 1.0% | – | – | History |
| MDGLMadrigal Pharmaceuticals, Inc. | COM | 1,499,213 | $175.4M | 0.8% | – | – | History |
| AMRNAmarin Corp PLC | SPONS ADR NEW | 26,453,422 | $164.3M | 0.7% | – | – | History |
| GBTGlobal Blood Therapeutics, Inc. | COM | 3,217,441 | $131.1M | 0.6% | – | – | History |
| BCRXBiocryst Pharmaceuticals Inc | COM | 12,710,818 | $129.3M | 0.6% | – | – | History |
| IMCRImmunocore Holdings plc | ADS | 2,520,730 | $107.3M | 0.5% | – | – | History |
| PACBPacific Biosciences of California, Inc. | COM | 3,201,972 | $106.7M | 0.5% | – | – | History |
| TILInstil Bio, Inc. | COM | 3,893,700 | $97.7M | 0.4% | – | – | History |
| TLISTalis Biomedical Corp | COM | 7,574,835 | $97.3M | 0.4% | – | – | History |
| HRTXHeron Therapeutics, Inc. | COM | 5,994,704 | $97.2M | 0.4% | – | – | History |
| CERSCerus Corp | COM | 13,713,195 | $82.4M | 0.4% | – | – | History |
| ALLKAllakos Inc. | COM | 703,050 | $80.7M | 0.3% | – | – | History |
| DBVTDBV Technologies S.A. | SPONSORED ADR | 14,614,264 | $77.9M | 0.3% | – | – | History |
| NRIXNurix Therapeutics, Inc. | COM | 2,454,082 | $76.3M | 0.3% | – | – | History |
| KYMRKymera Therapeutics, Inc. | COM | 1,959,211 | $76.1M | 0.3% | – | – | History |
| RYTMRhythm Pharmaceuticals, Inc. | COM | 3,479,873 | $74.0M | 0.3% | – | – | History |
| INSMINSMED Inc | COM PAR $.01 | 2,156,001 | $73.4M | 0.3% | – | – | History |
| APLSApellis Pharmaceuticals, Inc. | COM | 1,674,004 | $71.8M | 0.3% | – | – | History |
| NBIXNeurocrine Biosciences Inc | Stock | 676,975 | $65.8M | 0.3% | – | – | History |
| KRYSKrystal Biotech, Inc. | COM | 760,412 | $58.6M | 0.3% | – | – | History |
| FMTXForma Therapeutics Holdings, Inc. | SHS | 2,024,876 | $56.7M | 0.2% | – | – | History |
| HZNPHorizon Therapeutics Public Ltd Co | SHS | 599,110 | $55.1M | 0.2% | – | – | History |
| BCELAtreca, Inc. | CL A COM | 3,532,760 | $54.2M | 0.2% | – | – | History |
| ZYMEZymeworks Inc. | COM | 1,708,472 | $54.0M | 0.2% | – | – | History |
| ADAPYAdaptimmune Therapeutics PLC | SPONDS ADR | 9,830,877 | $52.2M | 0.2% | – | – | History |
| KNSAKiniksa Pharmaceuticals International, plc | COM CL A | 2,799,577 | $51.8M | 0.2% | – | – | History |
| RAREUltragenyx Pharmaceutical Inc. | COM | 444,444 | $50.6M | 0.2% | – | – | History |
| NGNENeurogene Inc. | COM | 3,821,740 | $47.0M | 0.2% | – | – | History |
| IMTXImmatics N.V. | SHS | 3,992,756 | $44.8M | 0.2% | – | – | History |
| DSGNDesign Therapeutics, Inc. | COM | 1,436,636 | $43.0M | 0.2% | – | – | History |
| Achilles Therapeutics PLC00449L102 | SPONSORED ADS | 2,591,366 | $42.9M | 0.2% | – | – | – |
| MRUSMerus N.V. | COM | 2,037,469 | $42.6M | 0.2% | – | – | History |
| VSTMVerastem, Inc. | COM | 17,019,294 | $42.0M | 0.2% | – | – | History |
| BCABBioAtla, Inc. | COM | 825,000 | $41.9M | 0.2% | – | – | History |
| ALTAltimmune, Inc. | COM NEW | 2,758,518 | $39.0M | 0.2% | – | – | History |
| FLGTFulgent Genetics, Inc. | COM | 401,016 | $38.7M | 0.2% | – | – | History |
| PTGXProtagonist Therapeutics, Inc | COM | 1,436,192 | $37.2M | 0.2% | – | – | History |
| ALGSAligos Therapeutics, Inc. | COM | 1,610,000 | $36.6M | 0.2% | – | – | History |
| AXSMAxsome Therapeutics, Inc. | COM | 628,414 | $35.6M | 0.2% | – | – | History |
| ADCTADC Therapeutics SA | SHS | 1,418,107 | $34.6M | 0.2% | – | – | History |
| ChemoCentryx, Inc.16383L106 | COM | 656,710 | $33.6M | 0.1% | – | – | – |
| CYVNYOpthea Ltd | SPONSORED ADS | 3,308,705 | $31.7M | 0.1% | – | – | History |
| SYRESpyre Therapeutics, Inc. | COM | 3,410,106 | $27.0M | 0.1% | – | – | History |
| NVAXNovavax Inc | COM NEW | 143,756 | $26.1M | 0.1% | – | – | History |
| ALKSAlkermes plc. | SHS | 1,228,170 | $22.9M | 0.1% | – | – | History |
| MREOMereo BioPharma Group plc | SPON ADS | 6,719,948 | $22.6M | 0.1% | – | – | History |
| RETAReata Pharmaceuticals Inc | CL A | 223,976 | $22.3M | 0.1% | – | – | History |
| OTICOtonomy, Inc. | COM | 7,220,074 | $18.4M | 0.1% | – | – | History |
| AUPHAurinia Pharmaceuticals Inc. | COM | 1,410,064 | $18.3M | 0.1% | – | – | History |
| EWTXEdgewise Therapeutics, Inc. | COM | 500,000 | $16.3M | 0.1% | – | – | History |
| XNCRXencor Inc | COM | 369,370 | $15.9M | 0.1% | – | – | History |
| Invitae Corp46185LAB9 | NOTE 2.000% 9/0 | – | $15.6M | 0.1% | – | – | – |
| Biomarin Pharmaceutical Inc09061GAH4 | NOTE 0.599% 8/0 | – | $15.3M | 0.1% | – | – | – |
| LONALeonaBio, Inc. | COM | 806,367 | $14.8M | 0.1% | – | – | History |
| ALBOAlbireo Pharma, Inc. | COM | 412,466 | $14.5M | 0.1% | – | – | History |
| XENEXenon Pharmaceuticals Inc. | COM | 751,639 | $13.5M | 0.1% | – | – | History |
| MIRMMirum Pharmaceuticals, Inc. | COM | 647,313 | $12.8M | 0.1% | – | – | History |
| Sarepta Therapeutics, Inc.803607AB6 | DBCV 1.500%11/1 | – | $12.0M | 0.1% | – | – | – |
| KDNYChinook Therapeutics, Inc. | COM | 748,693 | $11.6M | 0.1% | – | – | History |
| SPRYARS Pharmaceuticals, Inc. | COM | 238,095 | $10.4M | <0.1% | – | – | History |
| RVMDRevolution Medicines, Inc. | COM | 222,222 | $10.2M | <0.1% | – | – | History |
| CBAYCymaBay Therapeutics, Inc. | COM | 2,170,464 | $9.85M | <0.1% | – | – | History |
| Genetron Hldgs Ltd37186H100 | ADS | 455,306 | $9.77M | <0.1% | – | – | – |
| HOOKHOOKIPA Pharma Inc. | COM | 700,481 | $9.42M | <0.1% | – | – | History |
| CRNXCrinetics Pharmaceuticals, Inc. | COM | 616,520 | $9.42M | <0.1% | – | – | History |
| ANABAnaptysbio, Inc | COM | 427,179 | $9.21M | <0.1% | – | – | History |
| ISEEIVERIC bio, Inc. | COM | 1,406,037 | $8.69M | <0.1% | – | – | History |
| NGMNGM Biopharmaceuticals Inc | COM | 291,801 | $8.48M | <0.1% | – | – | History |
| KRTXKaruna Therapeutics, Inc. | COM | 69,966 | $8.41M | <0.1% | – | – | History |
| GMDAGamida Cell Ltd. | SHS | 1,037,226 | $8.39M | <0.1% | – | – | History |
| ASMBAssembly Biosciences, Inc. | COM | 1,541,418 | $7.09M | <0.1% | – | – | History |
| CABACabaletta Bio, Inc. | COM | 636,363 | $7.06M | <0.1% | – | – | History |
| BLUEbluebird bio, Inc. | COM | 226,988 | $6.84M | <0.1% | – | – | History |
| MGNXMacrogenics Inc | COM | 200,679 | $6.39M | <0.1% | – | – | History |
| BNRBurning Rock Biotech Ltd | SPONSORED ADS | 209,131 | $5.63M | <0.1% | – | – | History |
| NEXINexImmune, Inc. | COM | 294,117 | $5.61M | <0.1% | – | – | History |
| SGMOQSangamo Therapeutics, Inc | COM | 429,063 | $5.38M | <0.1% | – | – | History |
| ORTXOrchard Therapeutics plc | ADS | 734,431 | $5.33M | <0.1% | – | – | History |
| SYRSSyros Pharmaceuticals, Inc. | COM | 690,167 | $5.16M | <0.1% | – | – | History |
| ITOSiTeos Therapeutics, Inc. | COM | 150,346 | $5.14M | <0.1% | – | – | History |
| DNLIDenali Therapeutics Inc. | COM | 88,738 | $5.07M | <0.1% | – | – | History |
| ALECAlector, Inc. | COM | 239,228 | $4.82M | <0.1% | – | – | History |
| EVFMEvofem Biosciences, Inc. | COM | 2,697,110 | $4.72M | <0.1% | – | – | History |
| REPLReplimune Group, Inc. | COM | 153,512 | $4.68M | <0.1% | – | – | History |
| TVTXTravere Therapeutics, Inc. | COM | 186,915 | $4.67M | <0.1% | – | – | History |
| SRPTSarepta Therapeutics, Inc. | COM | 58,700 | $4.38M | <0.1% | – | – | History |
| PASGPassage BIO, Inc. | COM | 235,362 | $4.11M | <0.1% | – | – | History |