Baker Brothers Life Sciences LP (CIK 0001363364)

Latest company ownership

Shares held
32,600,975
Last filed at
May 31, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q2 2025Q4
Shares held
2,186,686
Last filed at
Jun 20, 2024
Confidence Score
50.1
2025Q4
Confidence Score History
2024Q4 2025Q4
Shares held
1,947,968
Last filed at
Aug 20, 2025
Confidence Score
58.4
2025Q4
Confidence Score History
2023Q4 2025Q4
Shares held
1,515,318
Last filed at
May 29, 2024
Confidence Score
50.6
2025Q4
Confidence Score History
2025Q1 2025Q4
NGNE - Neurogene Inc.
Role: Director
Shares held
879,728
Last filed at
Dec 20, 2023
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q3 2025Q4
Shares held
600,309
Last filed at
Jun 30, 2025
Confidence Score
89.8
2025Q4
Confidence Score History
2024Q3 2025Q4
INCY - INCYTE CORP
Role: Director
Shares held
593,373
Last filed at
Oct 2, 2025
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q2 2025Q4
Shares held
252,196
Last filed at
Feb 28, 2025
Confidence Score
49.5
2025Q4
Confidence Score History
2017Q3 2025Q4
Shares held
90,538
Last filed at
Jul 23, 2015
Confidence Score
50.0
2025Q4
Confidence Score History
2012Q4 2025Q4
Shares held
47,500
Last filed at
Jun 14, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q3 2025Q4
Shares held
40,000
Last filed at
Jul 2, 2024
Confidence Score
87.5
2025Q4
Confidence Score History
2018Q4 2025Q4
Shares held
23,500
Last filed at
Jun 18, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q3 2025Q4
Shares held
1,569
Last filed at
Dec 4, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2013Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 18, 2025 Dec 19, 2025 Kodiak Sciences Inc. Director Buy 100.0 +2,608,696 15.07% ✗ $60M
Dec 11, 2025 Dec 11, 2025 Kymera Therapeutics, Inc. Director Buy 100.0 +2,005,813 30.16% ✗ $172.5M
Aug 18, 2025 Aug 20, 2025 MADRIGAL PHARMACEUTICALS, INC. Director Buy 72.5 +97,065 0.35% ✗ $36.9M
Aug 18, 2025 Aug 20, 2025 MADRIGAL PHARMACEUTICALS, INC. Director Buy 72.5 +68,618 0.24% ✗ $25M
Jun 30, 2025 Jun 30, 2025 Kymera Therapeutics, Inc. Director Buy 100.0 +655,500 10.93% ✗ $28.8M
Mar 17, 2025 Mar 19, 2025 Immunocore Holdings plc Director Buy 100.0 +807,338 21.60% ✗ $24M
Feb 28, 2025 Feb 28, 2025 BeOne Medicines Ltd. Director Sell 15.0 -732,827 -7.47% ✗ $190.5M
Dec 13, 2024 Dec 17, 2024 BICYCLE THERAPEUTICS PLC Director Buy 95.0 +1,485,397 3.06% ✗ $21.2M
Dec 9, 2024 Dec 10, 2024 BeOne Medicines Ltd. Director Sell 15.0 -1,037,017 -4.85% ✗ $194.2M
Aug 20, 2024 Aug 22, 2024 Kymera Therapeutics, Inc. Director Buy 47.5 +1 0.00% ✗ $46.4
Jun 12, 2024 Jun 14, 2024 INCYTE CORP Director Sell 15.0 -5,453,523 -7.42% ✗ $327.6M
Dec 13, 2023 Dec 14, 2023 MADRIGAL PHARMACEUTICALS, INC. Director Buy 72.5 +101,792 0.44% ✗ $22.5M
Dec 12, 2023 Dec 14, 2023 MADRIGAL PHARMACEUTICALS, INC. Director Buy 66.3 +34,578 0.12% ✗ $7.5M
Nov 21, 2023 Nov 21, 2023 MADRIGAL PHARMACEUTICALS, INC. Director Buy 72.5 +64,350 0.36% ✗ $12.1M
Nov 17, 2023 Nov 21, 2023 MADRIGAL PHARMACEUTICALS, INC. Director Buy 72.5 +67,079 0.26% ✗ $11.9M
Nov 14, 2023 Nov 15, 2023 MADRIGAL PHARMACEUTICALS, INC. Director Buy 88.8 +49,387 1.47% ✗ $7.8M
Nov 13, 2023 Nov 15, 2023 MADRIGAL PHARMACEUTICALS, INC. Director Buy 72.5 +107,499 0.45% ✗ $15.8M
Nov 14, 2023 Nov 14, 2023 BeOne Medicines Ltd. Director Sell 15.0 -1,100,000 -9.26% ✗ $198.6M
Aug 15, 2023 Aug 17, 2023 Neurogene Inc. Director Buy 95.0 +2,285,342 6.89% ✗ $1.5M
May 22, 2023 May 24, 2023 ACADIA PHARMACEUTICALS INC Director Buy 72.5 +896,522 0.30% ✗ $22.7M
Jun 2, 2022 Jun 6, 2022 Kodiak Sciences Inc. Director Buy 77.5 +572,349 0.56% ✗ $4.4M
May 25, 2022 May 27, 2022 Kodiak Sciences Inc. Director Buy 70.0 +350,406 0.27% ✗ $2.4M
May 16, 2022 May 18, 2022 Kodiak Sciences Inc. Director Buy 70.0 +456,690 0.40% ✗ $2.7M
May 10, 2022 May 12, 2022 TScan Therapeutics, Inc. Director Buy 100.0 +1,359,792 17.25% ✗ $2.6M
Mar 8, 2022 Mar 10, 2022 INCYTE CORP Director Buy 72.5 +389,080 0.21% ✗ $28.1M
Feb 17, 2022 Feb 22, 2022 INCYTE CORP Director Buy 72.5 +525,804 0.30% ✗ $35.7M
Feb 15, 2022 Feb 17, 2022 Kodiak Sciences Inc. Director Buy 80.0 +400,965 0.51% ✗ $21.8M
Feb 10, 2022 Feb 14, 2022 INCYTE CORP Director Buy 97.5 +1,598,374 5.08% ✗ $107M
Jan 27, 2022 Jan 31, 2022 Kodiak Sciences Inc. Director Buy 72.5 +347,665 0.33% ✗ $18.1M
Jan 21, 2022 Jan 25, 2022 Kodiak Sciences Inc. Director Buy 95.0 +501,111 3.70% ✗ $28.8M
Dec 15, 2021 Dec 17, 2021 INCYTE CORP Director Buy 97.5 +1,595,519 5.34% ✗ $115.6M
Sep 29, 2021 Oct 1, 2021 Kodiak Sciences Inc. Director Buy 71.3 +86,916 0.31% ✗ $8.3M
Sep 15, 2021 Sep 17, 2021 Kodiak Sciences Inc. Director Buy 70.0 +31,838 0.24% ✗ $3M
Sep 7, 2021 Sep 9, 2021 Kodiak Sciences Inc. Director Buy 71.3 +57,501 0.44% ✗ $5.4M
Aug 17, 2021 Aug 19, 2021 Kodiak Sciences Inc. Director Buy 80.0 +114,396 0.87% ✗ $10M
Aug 11, 2021 Aug 13, 2021 Kodiak Sciences Inc. Director Buy 78.8 +102,773 0.79% ✗ $9M
Jul 20, 2021 Jul 22, 2021 TScan Therapeutics, Inc. Director Buy 100.0 +1,425,000 100.00% ✗ $21.4M
Jun 28, 2021 Jun 30, 2021 Kodiak Sciences Inc. Director Buy 90.0 +257,929 2.03% ✗ $23.7M
Jan 4, 2021 Jan 6, 2021 BeOne Medicines Ltd. Director Sell 15.0 -121,154 -1.02% ✗ $26.7M
Jul 7, 2020 Dec 23, 2020 Neurogene Inc. Director Buy 100.0 +424,000 12.46% ✗ $6.5M
Oct 13, 2020 Dec 4, 2020 BeOne Medicines Ltd. Director Sell 15.0 -1,538,578 -11.49% ✗ $333.3M
Nov 20, 2020 Nov 24, 2020 Kodiak Sciences Inc. Director Buy 100.0 +1,527,777 12.37% ✗ $165M
Sep 29, 2020 Sep 30, 2020 Prelude Therapeutics Inc Director Buy 100.0 +1,578,947 18.49% ✗ $30M
Sep 25, 2020 Sep 25, 2020 Kodiak Sciences Inc. Director Buy 65.0 +48,125 0.10% ✗ $2.7M
Sep 22, 2020 Sep 24, 2020 Kodiak Sciences Inc. Director Buy 72.5 +203,047 0.21% ✗ $10.5M
Sep 3, 2020 Sep 8, 2020 Kodiak Sciences Inc. Director Buy 72.5 +322,979 0.23% ✗ $15.3M
Aug 19, 2020 Aug 21, 2020 Kodiak Sciences Inc. Director Buy 71.3 +203,486 0.22% ✗ $9.8M
May 26, 2020 May 28, 2020 INCYTE CORP Director Buy 47.5 +2,566 0.00% ✗ $205.1
Mar 16, 2020 Mar 18, 2020 ACADIA PHARMACEUTICALS INC Director Buy 67.5 +1,050,000 0.19% ✗ $33.7M
Mar 16, 2020 Mar 18, 2020 Kodiak Sciences Inc. Director Buy 71.3 +150,000 0.26% ✗ $5.9M
Feb 24, 2020 Feb 26, 2020 Kodiak Sciences Inc. Director Buy 72.5 +377,249 0.23% ✗ $21.8M
Dec 20, 2019 Dec 20, 2019 Neurogene Inc. Director Buy 15.0 -7,907,939 -30.85% ✗ $25.3M
Dec 6, 2019 Dec 6, 2019 Kodiak Sciences Inc. Director Buy 100.0 +1,902,173 20.80% ✗ $87.5M
Sep 20, 2019 Sep 20, 2019 ACADIA PHARMACEUTICALS INC Director Buy 95.0 +1,562,500 3.96% ✗ $62.5M
Aug 6, 2019 Aug 8, 2019 Neurogene Inc. Director Buy 77.5 +371,525 0.67% ✗ $1.1M
Nov 30, 2018 Dec 4, 2018 ACADIA PHARMACEUTICALS INC Director Buy 100.0 +11,418,022 40.15% ✗ $200M
Oct 9, 2018 Oct 11, 2018 Kodiak Sciences Inc. Director Buy 100.0 +3,353,928 26.97% ✗ $25M
Sep 20, 2018 Sep 24, 2018 ACADIA PHARMACEUTICALS INC Director Buy 90.0 +1,210,776 1.47% ✗ $22.6M
Aug 2, 2018 Aug 6, 2018 BeOne Medicines Ltd. Director Buy 100.0 +5,814,100 48.41% ✗ $627.9M
May 29, 2018 May 31, 2018 Kiniksa Pharmaceuticals International, plc Director Buy 100.0 +3,000,000 100.00% ✗ $54M
Jan 18, 2018 Jan 22, 2018 BeOne Medicines Ltd. Director Buy 90.0 +1,980,198 2.37% ✗ $200M
Nov 27, 2017 Nov 29, 2017 ACADIA PHARMACEUTICALS INC Director Sell 40.0 -1,941 -0.39% ✗ $54.3K
Oct 13, 2017 Oct 16, 2017 ACADIA PHARMACEUTICALS INC Director Sell 35.0 -55,457 -0.23% ✗ $2M
Aug 11, 2017 Aug 14, 2017 BeOne Medicines Ltd. Director Buy 72.5 +176,056 0.21% ✗ $12.5M
Aug 10, 2016 Aug 12, 2016 ACADIA PHARMACEUTICALS INC Director Buy 97.5 +1,303,030 5.41% ✗ $43M
Mar 30, 2016 Apr 1, 2016 ACADIA PHARMACEUTICALS INC Director Buy 80.0 +1,449,090 0.74% ✗ $39.2M
Jan 7, 2016 Jan 8, 2016 ACADIA PHARMACEUTICALS INC Director Buy 100.0 +2,586,206 12.91% ✗ $75M
Jan 7, 2016 Jan 8, 2016 ACADIA PHARMACEUTICALS INC Director Buy 100.0 +2,586,206 12.91% ✗ $75M
Jul 22, 2015 Jul 23, 2015 XOMA Royalty Corp Other Sell 15.0 -11,000,000 -74.77% ✗ $12M
Jan 2, 2015 Jan 6, 2015 XOMA Royalty Corp Director Sell 16.3 -2,215,400 -4.47% ✗ $8.4M
Dec 26, 2014 Dec 30, 2014 XOMA Royalty Corp Director Sell 17.5 -744,000 -1.41% ✗ $2.7M
Dec 17, 2014 Dec 19, 2014 XOMA Royalty Corp Director Sell 16.3 -1,605,100 -2.84% ✗ $6.8M
Dec 12, 2014 Dec 16, 2014 XOMA Royalty Corp Director Sell 17.5 -1,033,800 -1.72% ✗ $4.6M
Dec 9, 2014 Dec 10, 2014 XOMA Royalty Corp Director Sell 17.5 -392,353 -1.89% ✗ $1.8M
Dec 2, 2014 Dec 4, 2014 XOMA Royalty Corp Director Sell 15.0 -2,372,206 -3.49% ✗ $11.4M
Mar 5, 2014 Mar 7, 2014 ACADIA PHARMACEUTICALS INC Director Buy 95.0 +526,316 2.64% ✗ $15M
Aug 19, 2013 Aug 21, 2013 XOMA Royalty Corp Director Buy 100.0 +2,757,791 13.55% ✗ $10M
Jun 3, 2013 Jun 5, 2013 ACADIA PHARMACEUTICALS INC Director Buy 90.0 +2,340,314 1.38% ✗ $33.6M
May 15, 2013 May 17, 2013 ACADIA PHARMACEUTICALS INC Director Buy 100.0 +1,993,000 12.76% ✗ $24.9M
Oct 29, 2012 Oct 31, 2012 XOMA Royalty Corp Director Buy 100.0 +4,722,666 30.33% ✗ $14.2M