Funds · 13F filer · New York, NY

Baker Bros. Advisors LP

$19.9B in 83 U.S. stocks and ETFs at the end of June 30, 2026, as reported to the SEC.1

1y return+69.7%S&P 500 +20.9%
3y return+99.2%S&P 500 +68.5%
5y return+65.0%S&P 500 +74.5%
10y return+261.5%S&P 500 +256.5%

These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.

$100 invested in its stock picks

Since June 30, 2016: $361 against $357 in the S&P 500.2

Baker Bros. Advisors LPS&P 500 (SPY)
$100$36120162026

Top holdings

At the end of June 30, 2026. Change is in shares since the quarter before.2

StockValueShare of portfolioChange
INCYIncyte Corporation$3.5B17.5%
ONCBeOne Medicines Ltd.$2.5B12.6%
RVMDRevolution Medicines, Inc.$2.1B10.8%+19.8%
MDGLMadrigal Pharmaceuticals, Inc.$1.2B5.8%
ACADACADIA Pharmaceuticals Inc.$1.1B5.5%
KYMRKymera Therapeutics, Inc.$992.7M5.0%
INSMInsmed Incorporated$937.8M4.7%+18.5%
CELCCelcuity Inc.$828.2M4.2%
KODKodiak Sciences Inc.$776.1M3.9%
RYTMRhythm Pharmaceuticals, Inc.$622.3M3.1%
PRAXPraxis Precision Medicines, Inc.$587.0M3.0%
Alkermes plcCUSIP G01767105$524.6M2.6%
SMMTSummit Therapeutics Inc.$477.7M2.4%−9.9%
GRALGRAIL, Inc.$275.0M1.4%
ABCLAbCellera Biologics Inc.$259.1M1.3%+9.0%
IMVTImmunovant, Inc.$209.4M1.1%
IDYAIDEAYA Biosciences, Inc.$186.7M0.9%+26.9%
Kiniksa Pharmaceuticals International, plcCUSIP G52694109$181.3M0.9%
Roivant Sciences Ltd.CUSIP G76279101$166.9M0.8%−3.1%
ARWRArrowhead Pharmaceuticals, Inc.$162.4M0.8%
IONSIonis Pharmaceuticals, Inc.$162.4M0.8%
EWTXEdgewise Therapeutics, Inc.$150.4M0.8%−43.7%
REPLReplimune Group, Inc.$122.3M0.6%
NRIXNurix Therapeutics, Inc.$113.0M0.6%
STOKStoke Therapeutics, Inc.$109.2M0.5%

Best picks still held

How each current holding has done since the quarter it first appeared in its filings (up to six years back).

StockHeld sinceReturn sinceNow worth
DNTHDianthus Therapeutics, Inc.June 30, 2025+423.2%$83.1M
ARWRArrowhead Pharmaceuticals, Inc.June 30, 2025+415.9%$162.4M
Roivant Sciences Ltd.CUSIP G76279101December 31, 2022+342.9%$166.9M
RVMDRevolution Medicines, Inc.March 31, 2021+308.2%$2.1B
INSMInsmed IncorporatedJune 30, 2020+287.2%$937.8M
GRALGRAIL, Inc.December 31, 2024+282.4%$275.0M
RAPPRapport Therapeutics, Inc.June 30, 2025+266.5%$64.5M
KYMRKymera Therapeutics, Inc.September 30, 2020+254.9%$992.7M
Kiniksa Pharmaceuticals International, plcCUSIP G52694109June 30, 2024+242.5%$181.3M
GLUEMonte Rosa Therapeutics, Inc.March 31, 2023+210.7%$105.2M

Sold off last quarter

  • ABVXAbivax S.A. was $97.5M
  • Celcuity Inc.CUSIP 15102KAA8 was $74.9M
  • SYRESpyre Therapeutics, Inc. was $50.4M
  • Centessa Pharmaceuticals plcCUSIP 152309100 was $26.6M
  • IMCRImmunocore Holdings plc was $22.1M
  • CTNMContineum Therapeutics, Inc. was $18.6M
  • ARGXargenx SE was $18.4M
  • CMPSCOMPASS Pathways plc was $13.0M
  • Pharvaris N.V.CUSIP N69605108 was $10.6M

Quarter by quarter

QuarterIts picksS&P 500
June 30, 2026+13.4%+14.8%
March 31, 2026−0.3%−4.6%
December 31, 2025+17.9%+2.4%
September 30, 2025+27.3%+7.8%
June 30, 2025+6.2%+10.5%
March 31, 2025+0.4%−4.6%
December 31, 2024−4.9%+2.1%
September 30, 2024+22.0%+5.4%
June 30, 2024−4.9%+4.0%
March 31, 2024−7.8%+10.0%
December 31, 2023+6.7%+11.2%
September 30, 2023+1.4%−3.6%
June 30, 2023−5.3%+8.3%
March 31, 2023+15.8%+7.0%
December 31, 2022+8.4%+7.1%
September 30, 2022−12.1%−5.3%
June 30, 2022+1.5%−16.5%
March 31, 2022−11.6%−4.9%
December 31, 2021−10.2%+10.7%
September 30, 2021−1.6%+0.3%

Sources

Every number on this page points here. Each one links to the public record.

  1. 1
    CIK 1263508
  2. 2
    Filed August 14, 2026 · accession 0001104659-26-097191