13F Filings History of BAKER BROS. ADVISORS LP

Latest 13F report
Q3 2025 - 14 Nov 2025
Value $
$13.8B
Signature - Title
Alexandra Toohey - Chief Financial Officer
Location
New York, NY
Summary
This page shows a list of all the recent 13F filings made by BAKER BROS. ADVISORS LP. Form 13F is required to be filed within 45 days of the end of a calendar quarter. BAKER BROS. ADVISORS LP reported 90 stock holdings with total value $13.8B as of Q3 2025. Top holdings included ONC, INCY, MDGL, INSM, and ACAD.

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Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Filing Time
Q3 2025 90 $13.8B +$588M -$249M +$339M ONC, INCY, MDGL, INSM, ACAD 13F-HR 14 Nov 2025, 16:27
Q2 2025 88 $10.3B +$978M -$254M +$724M ONC, INCY, ACAD, INSM, SMMT 13F-HR 14 Aug 2025, 16:04
Q1 2025 88 $9.04B +$206M -$422M -$216M ONC, INCY, ACAD, MDGL, SMMT 13F-HR 15 May 2025, 16:37
Q4 2024 95 $9.36B +$291M -$239M +$52M INCY, ONC, ACAD, MDGL, SMMT 13F-HR 14 Feb 2025, 16:12
Q3 2024 93 $9.65B +$239M -$134M +$105M BGNE, INCY, ACAD, SMMT, MDGL 13F-HR 14 Nov 2024, 16:07
Q2 2024 95 $7.83B +$925M -$626M +$300M INCY, BGNE, ACAD, MDGL, RVMD 13F-HR 14 Aug 2024, 16:05
Q1 2024 87 $7.97B +$382M -$511M -$129M INCY, BGNE, ACAD, MDGL, RYTM 13F-HR 15 May 2024, 16:37
Q4 2023 84 $8.79B +$625M -$10.3B -$9.69B INCY, BGNE, ACAD, MDGL, RYTM 13F-HR 14 Feb 2024, 17:12
Q3 2023 101 $17.4B +$187M -$322M -$134M SGEN, BGNE, INCY, ACAD, BMRN 13F-HR 14 Nov 2023, 16:25
Q2 2023 107 $17.3B +$437M -$522M -$85.6M SGEN, INCY, BGNE, ACAD, MDGL 13F-HR 14 Aug 2023, 16:13
Q1 2023 105 $18.4B +$255M -$1.25B -$996M SGEN, INCY, BGNE, ACAD, MDGL 13F-HR 15 May 2023, 16:04
Q4 2022 113 $16.7B +$272M -$571M -$298M SGEN, INCY, BGNE, BMRN, ACAD 13F-HR 14 Feb 2023, 16:06
Q3 2022 115 $15.3B +$270M -$589M -$319M SGEN, INCY, BGNE, ACAD, BMRN 13F-HR 14 Nov 2022, 16:06
Q2 2022 117 $17.6B +$252M -$199M +$53.1M SGEN, INCY, BGNE, BMRN, ACAD 13F-HR 15 Aug 2022, 16:56
Q1 2022 118 $17.4B +$347M -$107M +$240M SGEN, INCY, BGNE, ACAD, BMRN 13F-HR 16 May 2022, 16:05
Q4 2021 121 $20.6B +$386M -$191M +$195M SGEN, BGNE, INCY, KOD, ACAD 13F-HR 14 Feb 2022, 16:09
Q3 2021 122 $22.8B +$594M -$307M +$287M SGEN, BGNE, INCY, KOD, ASND 13F-HR 15 Nov 2021, 15:58
Q2 2021 120 $22.8B +$488M -$972M -$485M SGEN, BGNE, INCY, KOD, ACAD 13F-HR 16 Aug 2021, 16:11
Q1 2021 126 $23.1B +$741M -$871M -$130M SGEN, BGNE, INCY, KOD, ACAD 13F-HR 17 May 2021, 16:03
Q4 2020 126 $26.5B +$1.16B -$1.25B -$95.5M SGEN, BGNE, INCY, ACAD, KOD 13F-HR 16 Feb 2021, 15:59
Q3 2020 120 $25B +$10.4B -$8.32B +$2.08B SGEN, BGNE, INCY, ACAD, ALXN 13F-HR 16 Nov 2020, 16:00
Q2 2020 114 $22.7B +$622M -$796M -$174M SGEN, INCY, BGNE, ACAD, ALXN 13F-HR 14 Aug 2020, 16:08
Q1 2020 110 $16.2B +$318M -$145M +$174M SGEN, INCY, ACAD, BGNE, ALXN 13F-HR 15 May 2020, 16:03
Q4 2019 99 $18.8B +$689M -$1.12B -$433M SGEN, INCY, BGNE, ACAD, ALXN 13F-HR 14 Feb 2020, 16:26
Q3 2019 109 $14.7B +$343M -$273M +$70M SGEN, INCY, ACAD, BGNE, ALXN 13F-HR 14 Nov 2019, 16:05
Q2 2019 103 $14.7B +$308M -$653M -$345M SGEN, INCY, BGNE, ALXN, ACAD 13F-HR 14 Aug 2019, 16:01
Q1 2019 96 $15.6B +$258M -$245M +$12.7M SGEN, INCY, BGNE, ALXN, ACAD 13F-HR 15 May 2019, 16:06
Q4 2018 93 $12.2B +$526M -$492M +$33.9M SGEN, INCY, BGNE, ALXN, GHDX 13F-HR 13 Feb 2019, 16:14
Q3 2018 97 $15.2B +$453M -$605M -$152M SGEN, INCY, BGNE, ALXN, GHDX 13F-HR 14 Nov 2018, 15:50
Q2 2018 119 $13.3B +$1.49B -$474M +$1.02B SGEN, INCY, BGNE, ALXN, BMRN 13F-HR 14 Aug 2018, 15:48
Q1 2018 114 $11.8B +$818M -$325M +$493M INCY, SGEN, BGNE, ALXN, BMRN 13F-HR 15 May 2018, 15:47
Q4 2017 123 $11.5B +$716M -$306M +$410M INCY, SGEN, ALXN, ACAD, BMRN 13F-HR 14 Feb 2018, 15:49
Q3 2017 121 $12.3B +$271M -$98.4M +$173M INCY, SGEN, ALXN, ACAD, BMRN 13F-HR 14 Nov 2017, 15:45
Q2 2017 120 $11.4B +$420M -$238M +$182M INCY, SGEN, ALXN, ACAD, BMRN 13F-HR 14 Aug 2017, 15:48
Q1 2017 119 $12.2B +$1.55B -$1.27B +$286M INCY, SGEN, ACAD, ALXN, GHDX 13F-HR 15 May 2017, 16:00
Q4 2016 133 $10.2B +$302M -$1.03B -$728M SGEN, INCY, ALXN, ACAD, GHDX 13F-HR 14 Feb 2017, 16:13
Q3 2016 134 $11B +$268M -$281M -$12.2M SGEN, INCY, ABBV, ACAD, ALXN 13F-HR 14 Nov 2016, 17:30
Q2 2016 135 $9.54B +$85M -$544M -$459M INCY, SGEN, ABBV, ACAD, ALXN 13F-HR 15 Aug 2016, 16:07
Q1 2016 134 $9.48B +$970M -$380M +$590M INCY, SGEN, ALXN, ABBV, ACAD 13F-HR 16 May 2016, 16:12
Q4 2015 133 $12.1B +$479M -$140M +$340M INCY, SGEN, ALXN, ABBV, ACAD 13F-HR 16 Feb 2016, 16:52
Q3 2015 133 $10.8B +$1.45B -$710M +$737M INCY, SGEN, ALXN, ABBV, ACAD 13F-HR 16 Nov 2015, 16:07
Q2 2015 126 $11.4B +$2.52B -$4.42B -$1.91B INCY, SGEN, ALXN, ABBV, ACAD 13F-HR 14 Aug 2015, 16:19
Q1 2015 130 $12B +$633M -$871M -$238M PCYC, INCY, GEVA, SGEN, ACAD 13F-HR 15 May 2015, 16:06
Q4 2014 121 $9.8B +$882M -$134M +$748M PCYC, INCY, GEVA, SGEN, AVNR 13F-HR 17 Feb 2015, 16:15
Q3 2014 107 $7.83B +$270M -$532M -$262M PCYC, SGEN, GEVA, INCY, ACAD 13F-HR 14 Nov 2014, 16:51
Q2 2014 106 $8.16B +$449M -$373M +$75.6M GEVA, PCYC, SGEN, INCY, ACAD 13F-HR 14 Aug 2014, 16:15
Q1 2014 108 $7.87B +$656M -$435M +$222M SGEN, GEVA, PCYC, INCY, ACAD 13F-HR 15 May 2014, 16:10
Q4 2013 95 $7.1B $0 $0 PCYC, SGEN, INCY, GEVA, ACAD 13F-HR 14 Feb 2014, 16:21