Deerfield Mgmt IV, L.P. (CIK 0001713467)

Latest company ownership

AHCO - AdaptHealth Corp.
Role: 10% Owner
Shares held
13,607,940
Last filed at
Mar 8, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2024Q1 2025Q4
Shares held
7,772,954
Last filed at
Nov 16, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q1 2025Q4
Shares held
4,887,254
Last filed at
Jul 1, 2025
Confidence Score
48.3
2025Q4
Confidence Score History
2024Q4 2025Q4
Shares held
4,721,197
Last filed at
Feb 16, 2024
Confidence Score
59.4
2025Q4
Confidence Score History
2021Q2 2025Q4
Shares held
1,540,190
Last filed at
Jun 8, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q3 2025Q4
SDGR - Schrodinger, Inc.
Role: 10% Owner
Shares held
1,346,167
Last filed at
Feb 10, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q1 2025Q4
NKTX - Nkarta, Inc.
Role: 10% Owner
Shares held
709,936
Last filed at
Jul 14, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q3 2025Q4
NUVL - Nuvalent, Inc.
Role: Director
Shares held
650,000
Last filed at
Nov 24, 2025
Confidence Score
23.6
2025Q4
Confidence Score History
2022Q4 2025Q4
Shares held
498,795
Last filed at
Feb 18, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q1 2025Q4
KRRO - Korro Bio, Inc.
Role: 10% Owner
Shares held
472,860
Last filed at
Oct 7, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q4 2025Q4
CABA - Cabaletta Bio, Inc.
Role: 10% Owner
Shares held
464,253
Last filed at
Oct 30, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q4 2025Q4
ANNX - Annexon, Inc.
Role: 10% Owner
Shares held
458,914
Last filed at
Jul 28, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q3 2025Q4
Shares held
433,551
Last filed at
Mar 30, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q1 2025Q4
ARVN - ARVINAS, INC.
Role: 10% Owner
Shares held
307,078
Last filed at
Oct 1, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Nov 24, 2025 Nov 24, 2025 Nuvalent, Inc. Director Sell 15.0 -742,574 -4.13% ✗ $70.9M
Jul 31, 2025 Aug 4, 2025 Larimar Therapeutics, Inc. Director Buy 100.0 +9,375,000 44.16% ✗ $30M
Jun 27, 2025 Jul 1, 2025 ARS Pharmaceuticals, Inc. 10% Owner Sell 15.0 -740,149 -7.04% ✗ $13.7M
Nov 11, 2024 Nov 13, 2024 ARS Pharmaceuticals, Inc. 10% Owner Sell 15.0 -563,270 -5.08% ✗ $10.1M
Oct 22, 2024 Oct 24, 2024 Nuvalent, Inc. Director Sell 15.0 -2,000,000 -10.00% ✗ $195.5M
Mar 8, 2024 Mar 12, 2024 AdaptHealth Corp. 10% Owner Sell 17.5 -350,000 -2.57% ✗ $3.8M
Feb 16, 2024 Feb 16, 2024 Larimar Therapeutics, Inc. Director Buy 100.0 +4,290,617 25.33% ✗ $37.5M
Nov 3, 2022 Nov 7, 2022 Nuvalent, Inc. Director Buy 95.0 +650,000 3.36% ✗ $21.8M
Sep 16, 2022 Sep 20, 2022 Larimar Therapeutics, Inc. Director Buy 100.0 +11,111,108 190.58% ✗ $35M
Jun 6, 2022 Jun 8, 2022 Mirum Pharmaceuticals, Inc. 10% Owner Sell 20.0 -38,478 -1.17% ✗ $962.3K
Jul 9, 2021 Jul 13, 2021 Mirum Pharmaceuticals, Inc. 10% Owner Sell 17.5 -99,325 -2.94% ✗ $1.6M
Jul 2, 2021 Jul 7, 2021 Mirum Pharmaceuticals, Inc. 10% Owner Sell 17.5 -66,675 -1.93% ✗ $1.1M
Jun 30, 2021 Jul 2, 2021 Larimar Therapeutics, Inc. Director Buy 100.0 +685,710 13.33% ✗ $6M
Mar 30, 2021 Mar 30, 2021 Edgewise Therapeutics, Inc. 10% Owner Buy 100.0 +625,000 18.89% ✗ $10M
Jul 28, 2020 Jul 28, 2020 Annexon, Inc. 10% Owner Buy 100.0 +700,000 76.27% ✗ $11.9M
Jul 14, 2020 Jul 14, 2020 Nkarta, Inc. 10% Owner Buy 100.0 +1,000,000 70.43% ✗ $18M
Mar 13, 2020 Mar 17, 2020 Oncology Institute, Inc. Director Buy 100.0 +5,000,000 100.00% ✗ $50M
Feb 18, 2020 Feb 18, 2020 Revolution Medicines, Inc. 10% Owner Buy 100.0 +600,000 40.10% ✗ $10.2M
Feb 10, 2020 Feb 10, 2020 Schrodinger, Inc. 10% Owner Buy 100.0 +250,000 100.00% ✗ $4.3M
Oct 29, 2019 Oct 30, 2019 Cabaletta Bio, Inc. 10% Owner Buy 100.0 +700,000 100.00% ✗ $7.7M
Oct 7, 2019 Oct 7, 2019 Korro Bio, Inc. 10% Owner Buy 100.0 +285,714 100.00% ✗ $4M
Jul 22, 2019 Jul 24, 2019 Mirum Pharmaceuticals, Inc. 10% Owner Buy 100.0 +332,000 21.30% ✗ $5M
Oct 1, 2018 Oct 1, 2018 ARVINAS, INC. 10% Owner Buy 100.0 +312,500 33.92% ✗ $5M