Deerfield Management Company, L.P. 13F holdings, Q4 2025
Holdings as of December 31, 2025 · filings on SEC EDGAR · latest filing →
Deerfield Management Company, L.P. disclosed 149 US equity positions worth $7.8bn in its Q4 2025 13F filing. The largest position was NUVALENT INC at 22.2% of the reported book, followed by BROOKDALE SR LIVING INC and COGT. Against the Q3 2025 filing, it opened 5 new positions, added to 14 and reduced 11 among the top 50 holdings.
What did Deerfield Management Company, L.P. own in Q4 2025? Top 50 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q3 2025 |
|---|---|---|---|---|---|---|---|
| 1 | NUVALENT INC | 22.2% | $1.7bn | 17,248,450 | -4% | reduced | |
| 2 | BROOKDALE SR LIVING INC | 5.5% | $427.5m | 306,885,000 | – | new | |
| 3 | COGT COGENT BIOSCIENCES INC | Healthcare | 4.1% | $321.2m | 9,043,903 | -0% | held |
| 4 | PRAX PRAXIS PRECISION MEDICINES I | Healthcare | 3.4% | $266.3m | 903,351 | 7% | added |
| 5 | CNC CENTENE CORP DEL | Healthcare | 3.4% | $265.3m | 6,447,998 | -29% | reduced |
| 6 | VTRS VIATRIS INC | Healthcare | 3.2% | $251.6m | 20,206,170 | -16% | reduced |
| 7 | RVMD REVOLUTION MEDICINES INC | Healthcare | 3.0% | $230.6m | 2,894,613 | -21% | reduced |
| 8 | UTHR UNITED THERAPEUTICS CORP DEL | Healthcare | 2.7% | $207.6m | 425,993 | 0% | held |
| 9 | VERA VERA THERAPEUTICS INC | Healthcare | 2.6% | $205.6m | 4,059,695 | 11% | added |
| 10 | MIRM MIRUM PHARMACEUTICALS INC | 2.3% | $180.7m | 70,000,000 | 0% | held | |
| 11 | CELC CELCUITY INC | Healthcare | 2.2% | $171.0m | 1,714,000 | 134% | added |
| 12 | NBIX NEUROCRINE BIOSCIENCES INC | Healthcare | 2.2% | $168.0m | 1,184,345 | 0% | held |
| 13 | IONS IONIS PHARMACEUTICALS INC | Healthcare | 2.0% | $156.6m | 1,979,669 | 0% | held |
| 14 | NEWAMSTERDAM PHARMA COMPANY | 1.9% | $146.1m | 4,164,789 | -2% | reduced | |
| 15 | INSP INSPIRE MED SYS INC | Healthcare | 1.8% | $138.9m | 1,505,872 | 44% | added |
| 16 | LEGN LEGEND BIOTECH CORP | Healthcare | 1.7% | $129.0m | 5,932,000 | 100% | added |
| 17 | BKD BROOKDALE SR LIVING INC | Healthcare | 1.6% | $125.6m | 11,637,032 | -0% | held |
| 18 | INDIVIOR PLC | 1.6% | $121.7m | 3,393,063 | -51% | reduced | |
| 19 | ARWR ARROWHEAD PHARMACEUTICALS IN | Healthcare | 1.6% | $121.7m | 1,832,946 | 85% | added |
| 20 | LRMR LARIMAR THERAPEUTICS INC | Healthcare | 1.5% | $116.6m | 30,606,974 | 0% | held |
| 21 | CATALYST PHARMACEUTICALS INC | 1.5% | $114.6m | 4,911,161 | -1% | reduced | |
| 22 | AHCO ADAPTHEALTH CORP | Healthcare | 1.5% | $114.3m | 11,477,730 | 0% | held |
| 23 | BCRX BIOCRYST PHARMACEUTICALS INC | Healthcare | 1.4% | $111.9m | 14,341,000 | 18% | added |
| 24 | IONIS PHARMACEUTICALS INC | 1.2% | $95.3m | 60,000,000 | 0% | held | |
| 25 | ALIGNMENT HEALTHCARE INC | 1.2% | $92.6m | 61,000,000 | – | new | |
| 26 | SPRY ARS PHARMACEUTICALS INC | Healthcare | 1.1% | $87.4m | 7,503,812 | 0% | held |
| 27 | PHVS PHARVARIS N V | 1.1% | $86.7m | 3,126,042 | 28% | added | |
| 28 | SVRA SAVARA INC | Healthcare | 1.0% | $81.8m | 13,569,000 | 70% | added |
| 29 | IDYA IDEAYA BIOSCIENCES INC | Healthcare | 1.0% | $74.4m | 2,153,043 | 0% | held |
| 30 | CERT CERTARA INC | Healthcare | 0.9% | $68.8m | 7,808,605 | 16% | added |
| 31 | BIO BIO RAD LABS INC | Healthcare | 0.9% | $68.5m | 226,070 | 0% | held |
| 32 | NEOGENOMICS INC | 0.8% | $64.7m | 72,689,000 | 0% | held | |
| 33 | ACHC ACADIA HEALTHCARE COMPANY IN | Healthcare | 0.8% | $64.1m | 4,520,000 | 280% | added |
| 34 | BBOT BRIDGEBIO ONCOLOGY THERAPEUT | 0.8% | $61.2m | 4,885,446 | 0% | held | |
| 35 | STOK STOKE THERAPEUTICS INC | Healthcare | 0.7% | $57.9m | 1,823,500 | – | new |
| 36 | LNTH LANTHEUS HLDGS INC | Healthcare | 0.7% | $55.1m | 827,999 | – | new |
| 37 | GPCR STRUCTURE THERAPEUTICS INC | Healthcare | 0.7% | $53.4m | 767,993 | 106% | added |
| 38 | NVST ENVISTA HOLDINGS CORPORATION | Healthcare | 0.6% | $49.5m | 2,280,498 | -1% | reduced |
| 39 | ENHABIT INC | 0.6% | $43.8m | 4,747,746 | 0% | held | |
| 40 | KYMR KYMERA THERAPEUTICS INC | Healthcare | 0.6% | $43.7m | 561,170 | -2% | reduced |
| 41 | CDNA CAREDX INC | Healthcare | 0.5% | $41.3m | 2,191,000 | 0% | held |
| 42 | IRON DISC MEDICINE INC | Healthcare | 0.5% | $40.6m | 511,163 | -44% | reduced |
| 43 | SION SIONNA THERAPEUTICS INC | 0.5% | $39.9m | 970,590 | 0% | held | |
| 44 | LIVANOVA PLC | 0.5% | $39.7m | 34,280,000 | 0% | held | |
| 45 | BLTE BELITE BIO INC | Healthcare | 0.5% | $37.4m | 233,813 | – | new |
| 46 | DAWNGBX DAY ONE BIOPHARMACEUTICALS I | 0.4% | $34.7m | 3,723,131 | -21% | reduced | |
| 47 | PHR PHREESIA INC | Healthcare | 0.4% | $33.8m | 1,999,045 | 79% | added |
| 48 | EMBC EMBECTA CORP | Healthcare | 0.4% | $32.7m | 2,752,031 | 5% | added |
| 49 | VCYT VERACYTE INC | Healthcare | 0.4% | $30.6m | 726,000 | 0% | held |
| 50 | LANTHEUS HLDGS INC | 0.4% | $28.9m | 25,255,000 | 0% | held |
Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.