DEERFIELD MANAGEMENT COMPANY, L.P.
All 13F Filings
- Location
- New York, NY
- Most recent 13F
- Q4 2025
- Holdings value ($000)
- 7,830,166
- Description
- New York New York based planning integrated investment advisor with a structured investment organization and a governance centered and selective investment mandate. The approach emphasizes valuation discipline and downside awareness, fundamental research depth, and active stewardship and governance oversight for planning centered advisory portfolios. The process prioritizes downside control, mandate clarity, and consistent execution standards through thesis validation discipline and mandate continuity.
- Website
- —
- Founded
- —
- Chairman
- —
- CEO
- —
- All SEC filings
- View on sec.gov
Sector allocation over time (stocks only)
Stacked by quarter. Hover to see detailed sector breakdown for any quarter.
| Quarter | Date Filed | Holdings | Value ($000) | Form Type | Name |
|---|---|---|---|---|---|
| Q4 2025 | 2/17/2026 | 150 | 7,830,166 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. |
| Q3 2025 | 11/14/2025 | 152 | 6,550,740 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. |
| Q2 2025 | 8/14/2025 | 124 | 5,509,809 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. |
| Q1 2025 | 5/15/2025 | 123 | 5,064,779 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q4 2024 | 2/14/2025 | 106 | 5,280,006 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q3 2024 | 11/14/2024 | 443 | 6,692,806 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q2 2024 | 8/14/2024 | 433 | 6,010,511 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q1 2024 | 5/15/2024 | 367 | 5,748,070 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q4 2023 | 2/14/2024 | 222 | 5,415,639 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q3 2023 | 11/14/2023 | 88 | 4,538,793 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q2 2023 | 8/14/2023 | 101 | 4,684,196 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q1 2023 | 5/15/2023 | 106 | 4,485,670 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q4 2022 | 2/14/2023 | 104 | 4,831,008 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q3 2022 | 11/14/2022 | 131 | 5,023,740 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q2 2022 | 8/15/2022 | 127 | 4,848,381 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q1 2022 | 5/16/2022 | 122 | 4,472,946 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q4 2021 | 2/14/2022 | 127 | 4,767,581 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q3 2021 | 11/15/2021 | 133 | 5,123,921 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q2 2021 | 8/16/2021 | 143 | 5,629,668 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q1 2021 | 5/17/2021 | 133 | 4,758,345 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q4 2020 | 2/16/2021 | 129 | 5,059,782 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q3 2020 | 12/30/2020 | 105 | 4,106,901 | 13F-HR/A - RESTATEMENT | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q3 2020 | 11/16/2020 | 105 | 4,106,914 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q2 2020 | 8/14/2020 | 93 | 3,433,887 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q1 2020 | 5/15/2020 | 90 | 3,151,113 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q4 2019 | 2/14/2020 | 76 | 3,134,215 | 13F-HR | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) |
| Q1 2014 | 5/15/2014 | 124 | 2,449,414 | 13F-HR | DEERFIELD MANAGEMENT CO |
| Q4 2013 | 2/14/2014 | 106 | 1,930,346 | 13F-HR | DEERFIELD MANAGEMENT CO |
Swipe for more columns
Money flow by instrument (QoQ, ex-options)
Derivatives reported exposure ($000):
29.49 K
(0.4% of total reported value)
· QoQ Δ:
+3.66 K
| Type | Value ($000) | Share % | Inflow | Outflow | Net |
|---|---|---|---|---|---|
| Stocks | 6.841 M | 87.7% | 810.4 K | 0 | 810.4 K |
| Debt | 956.5 K | 12.3% | 465.1 K | 0 | 465.1 K |
| Other | 343 | 0.0% | 0 | 295 | -295 |
Swipe for more columns
Fund Snapshot
Q4 2025
Latest filed
2/17/2026
Total value ($000)
7,830,166
Holdings
150
QoQ value change ($000)
1,279,426
(19.5%)
Value = total reported 13F value ($000), Holdings = number of positions.
13F Value over time
Holdings count over time
Sector allocation (latest, stocks only)
Methodology:
sector allocation is stocks-only;
instrument flow table is ex-options;
options exposure is shown separately.
Details.