Q3 2025 · 13F-HR
DEERFIELD MANAGEMENT COMPANY, L.P.holdings as filed
Filed 2025-11-14 · accession 0001213900-25-110851
$6.55B
Reported value
152
Positions
2025-09-30
Period end
The Brief · DEERFIELD MANAGEMENT COMPANY, L.P. · Q3 2025
AI · grounded in 13F
DEERFIELD MANAGEMENT COMPANY, L.P. closed its position in OSCR, reducing exposure by $249.8M. The fund established new positions in IONS for $129.5M and BMY for $105.4M. Additionally, the manager accumulated shares in COGT and CNC, increasing share counts by 242.9% and 184% respectively.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 670703107 | NUVL | NUVALENT INC | $1.56B | 23.8% | 17,991,024 | Common | SOLE |
| 15135B101 | CNC | CENTENE CORP DEL | $322.8M | 4.93% | 9,046,000 | Common | SOLE |
| N5749R100 | 2GH | MERUS N V | $286.9M | 4.38% | 3,046,916 | Common | SOLE |
| 92556V106 | VTRS | VIATRIS INC | $238.6M | 3.64% | 24,099,083 | Common | SOLE |
| 91307C102 | UTHR | UNITED THERAPEUTICS CORP DEL | $178.6M | 2.73% | 425,993 | Common | SOLE |
| 76155X100 | RVMD | REVOLUTION MEDICINES INC | $170.5M | 2.60% | 3,650,342 | Common | SOLE |
| G4766E116 | INDV | INDIVIOR PLC | $168.5M | 2.57% | 6,986,811 | Common | SOLE |
| 604749AB7 | MIRM 4 05/01/29 | MIRUM PHARMACEUTICALS INC | $168.2M | 2.57% | 70,000,000 | Common | SOLE |
| 64125C109 | NBIX | NEUROCRINE BIOSCIENCES INC | $166.3M | 2.54% | 1,184,345 | Common | SOLE |
| 19240Q201 | COGT | COGENT BIOSCIENCES INC | $130.0M | 1.98% | 9,053,118 | Common | SOLE |
| 462222100 | IONS | IONIS PHARMACEUTICALS INC | $129.5M | 1.98% | 1,979,669 | Common | SOLE |
| N62509109 | NAMS | NEWAMSTERDAM PHARMA COMPANY | $121.3M | 1.85% | 4,266,693 | Common | SOLE |
| 92337R101 | VERA | VERA THERAPEUTICS INC | $105.8M | 1.62% | 3,641,157 | Common | SOLE |
| 110122108 | BMY | BRISTOL-MYERS SQUIBB CO | $105.4M | 1.61% | 2,337,771 | Common | SOLE |
| 00653Q102 | AHCO | ADAPTHEALTH CORP | $102.7M | 1.57% | 11,477,730 | Common | SOLE |
| 517125100 | LRMR | LARIMAR THERAPEUTICS INC | $98.9M | 1.51% | 30,606,974 | Common | SOLE |
| 112463104 | BKD | BROOKDALE SR LIVING INC | $98.6M | 1.51% | 11,641,642 | Common | SOLE |
| 14888U101 | CPRX | CATALYST PHARMACEUTICALS INC | $98.0M | 1.50% | 4,974,767 | Common | SOLE |
| 52490G102 | LEGN | LEGEND BIOTECH CORP | $96.6M | 1.47% | 2,962,338 | Common | SOLE |
| 09058V103 | BCRX | BIOCRYST PHARMACEUTICALS INC | $92.4M | 1.41% | 12,169,000 | Common | SOLE |
| 875372AD6 | TNDM 1.5 03/15/29 2024 | TANDEM DIABETES CARE INC | $87.1M | 1.33% | 100,000,000 | Common | SOLE |
| 58933Y105 | MRK | MERCK & CO INC | $86.4M | 1.32% | 1,030,000 | Common | SOLE |
| 717081103 | PFE | PFIZER INC | $84.2M | 1.29% | 3,303,790 | Common | SOLE |
| 462222AF7 | IONS 1.75 06/15/28 | IONIS PHARMACEUTICALS INC | $82.7M | 1.26% | 60,000,000 | Common | SOLE |
| 15687V109 | CERT | CERTARA INC | $82.4M | 1.26% | 6,739,537 | Common | SOLE |
| 457730109 | INSP | INSPIRE MED SYS INC | $77.7M | 1.19% | 1,047,694 | Common | SOLE |
| 82835W108 | SPRY | ARS PHARMACEUTICALS INC | $75.4M | 1.15% | 7,503,812 | Common | SOLE |
| 457669307 | INSM | INSMED INC | $67.8M | 1.04% | 471,000 | Common | SOLE |
| 090572207 | BIO | BIO RAD LABS INC | $63.4M | 0.97% | 226,070 | Common | SOLE |
| 64049MAB6 | NEO 0.25 01/15/28 | NEOGENOMICS INC | $62.9M | 0.96% | 72,689,000 | Common | SOLE |
| N69605108 | PHVS | PHARVARIS N V | $60.9M | 0.93% | 2,442,464 | Common | SOLE |
| 254604101 | IRON | DISC MEDICINE INC | $60.8M | 0.93% | 919,403 | Common | SOLE |
| 45166A102 | IDYA | IDEAYA BIOSCIENCES INC | $58.6M | 0.89% | 2,153,043 | Common | SOLE |
| 107924102 | BBOT | BRIDGEBIO ONCOLOGY THERAPEUT | $56.6M | 0.86% | 4,885,446 | Common | SOLE |
| 29415F104 | NVST | ENVISTA HOLDINGS CORPORATION | $46.7M | 0.71% | 2,294,036 | Common | SOLE |
| 74006W207 | PRAX | PRAXIS PRECISION MEDICINES I | $44.6M | 0.68% | 840,851 | Common | SOLE |
| 21900C308 | CRMD | CORMEDIX INC | $38.7M | 0.59% | 3,323,833 | Common | SOLE |
| 29332G102 | EHABUSD | ENHABIT INC | $38.0M | 0.58% | 4,747,746 | Common | SOLE |
| 29082K105 | EMBC | EMBECTA CORP | $37.0M | 0.56% | 2,620,421 | Common | SOLE |
| 53802LAB8 | LIVN 2.5 03/15/29 | LIVANOVA PLC | $36.9M | 0.56% | 34,280,000 | Common | SOLE |
| 15102K100 | CELC | CELCUITY INC | $36.2M | 0.55% | 733,530 | Common | SOLE |
| 207410101 | CNMD | CONMED CORP | $35.8M | 0.55% | 760,196 | Common | SOLE |
| 98937L105 | ZBIO | ZENAS BIOPHARMA INC | $34.7M | 0.53% | 1,562,942 | Common | SOLE |
| 64049M209 | NEO | NEOGENOMICS INC | $34.3M | 0.52% | 4,447,331 | Common | SOLE |
| 04280A100 | ARWR | ARROWHEAD PHARMACEUTICALS IN | $34.2M | 0.52% | 993,000 | Common | SOLE |
| 23954D109 | DAWNGBX | DAY ONE BIOPHARMACEUTICALS I | $33.2M | 0.51% | 4,705,413 | Common | SOLE |
| 501575104 | KYMR | KYMERA THERAPEUTICS INC | $32.4M | 0.49% | 572,258 | Common | SOLE |
| 14167L103 | CDNA | CAREDX INC | $31.9M | 0.49% | 2,191,000 | Common | SOLE |
| 02043Q107 | ALNY | ALNYLAM PHARMACEUTICALS INC | $31.0M | 0.47% | 67,935 | Common | SOLE |
| 00404A109 | ACHC | ACADIA HEALTHCARE COMPANY IN | $29.4M | 0.45% | 1,189,000 | Common | SOLE |
| 829401108 | SION | SIONNA THERAPEUTICS INC | $28.5M | 0.44% | 970,590 | Common | SOLE |
| 805111101 | SVRA | SAVARA INC | $28.4M | 0.43% | 7,964,000 | Common | SOLE |
| 45258DAB1 | IMCR 2.5 02/01/30 | IMMUNOCORE HLDGS PLC | $27.0M | 0.41% | 30,000,000 | Common | SOLE |
| 516544AB9 | LNTH 2.625 12/15/27 | LANTHEUS HLDGS INC | $26.5M | 0.41% | 25,255,000 | Common | SOLE |
| 71944F106 | PHR | PHREESIA INC | $26.3M | 0.40% | 1,116,752 | Common | SOLE |
| 60770K107 | MRNA | MODERNA INC | $25.8M | 0.39% | 1,000,000 | PUT | SOLE |
| 92337F107 | VCYT | VERACYTE INC | $24.9M | 0.38% | 726,000 | Common | SOLE |
| 92276F100 | VTR | VENTAS INC | $24.8M | 0.38% | 354,000 | Common | SOLE |
| 08659B102 | BBNX | BETA BIONICS INC | $23.2M | 0.35% | 1,168,415 | Common | SOLE |
| 98420N105 | XENE | XENON PHARMACEUTICALS INC | $21.8M | 0.33% | 542,020 | Common | SOLE |
| 877619106 | TSHA | TAYSHA GENE THERAPIES INC | $17.6M | 0.27% | 5,386,000 | Common | SOLE |
| 230031106 | CGEM | CULLINAN THERAPEUTICS INC | $17.4M | 0.26% | 2,927,013 | Common | SOLE |
| 344174107 | FHTX | FOGHORN THERAPEUTICS INC | $15.9M | 0.24% | 3,255,514 | Common | SOLE |
| 61023L207 | MNPR | MONOPAR THERAPEUTICS INC | $13.0M | 0.20% | 159,765 | Common | SOLE |
| 28036F105 | EWTX | EDGEWISE THERAPEUTICS INC | $12.4M | 0.19% | 765,694 | Common | SOLE |
| 68170A108 | OMDA | OMADA HEALTH INC | $12.2M | 0.19% | 553,107 | Common | SOLE |
| 68236X100 | TOI | THE ONCOLOGY INSTITUTE INC | $11.7M | 0.18% | 3,360,052 | Common | SOLE |
| 457985208 | IART | INTEGRA LIFESCIENCES HLDGS C | $11.4M | 0.17% | 794,865 | Common | SOLE |
| 86366E106 | GPCR | STRUCTURE THERAPEUTICS INC | $10.5M | 0.16% | 373,407 | Common | SOLE |
| 00773J202 | SYRE | SPYRE THERAPEUTICS INC | $10.3M | 0.16% | 613,665 | Common | SOLE |
| 256086109 | DCGO | DOCGO INC | $6.3M | 0.10% | 4,622,708 | Common | SOLE |
| 82537J108 | SI | SHOULDER INNOVATIONS INC | $6.1M | 0.09% | 482,572 | Common | SOLE |
| 008064206 | JBIO | JADE BIOSCIENCES INC | $4.6M | 0.07% | 531,163 | Common | SOLE |
| 016255101 | ALGN | ALIGN TECHNOLOGY INC | $4.1M | 0.06% | 32,789 | Common | SOLE |
| 74112D101 | PBH | PRESTIGE CONSMR HEALTHCARE I | $4.0M | 0.06% | 64,563 | Common | SOLE |
| 38942Q202 | CALC | CALCIMEDICA INC | $4.0M | 0.06% | 1,300,000 | Common | SOLE |
| 902673102 | UFPT | UFP TECHNOLOGIES INC | $3.7M | 0.06% | 18,660 | Common | SOLE |
| 68752L100 | KIDS | ORTHOPEDIATRICS CORP | $3.6M | 0.05% | 194,109 | Common | SOLE |
| 92214X106 | VREX | VAREX IMAGING CORP | $3.5M | 0.05% | 285,207 | Common | SOLE |
| 589889104 | MMSI | MERIT MED SYS INC | $3.5M | 0.05% | 41,846 | Common | SOLE |
| 405024100 | HAE | HAEMONETICS CORP MASS | $3.4M | 0.05% | 69,089 | Common | SOLE |
| 42238D107 | HTFL | HEARTFLOW INC | $3.4M | 0.05% | 100,000 | Common | SOLE |
| 49177J102 | KVUE | KENVUE INC | $3.1M | 0.05% | 193,853 | Common | SOLE |
| 014442107 | ALEC | ALECTOR INC | $3.1M | 0.05% | 1,055,192 | Common | SOLE |
| 04963C209 | ATRC | ATRICURE INC | $3.1M | 0.05% | 87,569 | Common | SOLE |
| 101137107 | BSX | BOSTON SCIENTIFIC CORP | $3.1M | 0.05% | 31,312 | Common | SOLE |
| 88025U109 | TXG | 10X GENOMICS INC | $3.1M | 0.05% | 261,188 | Common | SOLE |
| 750491102 | RDNT | RADNET INC | $3.0M | 0.05% | 39,913 | Common | SOLE |
| 450056106 | IRTC | IRHYTHM TECHNOLOGIES INC | $3.0M | 0.05% | 17,262 | Common | SOLE |
| 216648501 | COO | COOPER COS INC | $3.0M | 0.05% | 43,110 | Common | SOLE |
| 714046109 | RVTY | REVVITY INC | $2.9M | 0.04% | 33,541 | Common | SOLE |
| 09062W204 | BLFS | BIOLIFE SOLUTIONS INC | $2.8M | 0.04% | 111,195 | Common | SOLE |
| 525558201 | LMAT | LEMAITRE VASCULAR INC | $2.6M | 0.04% | 29,959 | Common | SOLE |
| 852312305 | STAA | STAAR SURGICAL CO | $2.6M | 0.04% | 96,989 | Common | SOLE |
| 898202106 | TRUP | TRUPANION INC | $2.5M | 0.04% | 57,045 | Common | SOLE |
| 23918K108 | DVA | DAVITA INC | $2.5M | 0.04% | 18,567 | Common | SOLE |
| 46120E602 | ISRG | INTUITIVE SURGICAL INC | $2.4M | 0.04% | 5,438 | Common | SOLE |
| 941848103 | WAT | WATERS CORP | $2.4M | 0.04% | 7,885 | Common | SOLE |
| 221006109 | CRVL | CORVEL CORP | $2.3M | 0.04% | 30,216 | Common | SOLE |
| 194014502 | ENOV | ENOVIS CORPORATION | $2.1M | 0.03% | 69,213 | Common | SOLE |
| 16359R103 | CHE | CHEMED CORP NEW | $2.1M | 0.03% | 4,664 | Common | SOLE |
| 01625V104 | ALHC | ALIGNMENT HEALTHCARE INC | $1.8M | 0.03% | 102,942 | Common | SOLE |
| 03589W102 | ANNX | ANNEXON INC | $1.8M | 0.03% | 583,913 | Common | SOLE |
| 635906100 | NHC | NATIONAL HEALTHCARE CORP | $1.8M | 0.03% | 14,584 | Common | SOLE |
| 759916109 | RGEN | REPLIGEN CORP | $1.7M | 0.03% | 12,909 | Common | SOLE |
| 879369106 | TFX | TELEFLEX INCORPORATED | $1.7M | 0.03% | 13,572 | Common | SOLE |
| 36266G107 | GEHC | GE HEALTHCARE TECHNOLOGIES I | $1.6M | 0.03% | 21,924 | Common | SOLE |
| 70975L107 | PEN | PENUMBRA INC | $1.6M | 0.02% | 6,411 | Common | SOLE |
| N62509117 | NAMSW | NEWAMSTERDAM PHARMA COMPANY | $1.6M | 0.02% | 92,787 | Common | SOLE |
| 252131107 | DXCM | DEXCOM INC | $1.5M | 0.02% | 22,287 | Common | SOLE |
| 89377M109 | TMDX | TRANSMEDICS GROUP INC | $1.4M | 0.02% | 12,752 | Common | SOLE |
| 05350V106 | AVNS | AVANOS MED INC | $1.4M | 0.02% | 122,899 | Common | SOLE |
| 45784P101 | PODD | INSULET CORP | $1.4M | 0.02% | 4,480 | Common | SOLE |
| 09090D301 | — | BIOMX INC | $1.3M | 0.02% | 2,494,108 | Common | SOLE |
| 45826H109 | ITGR | INTEGER HLDGS CORP | $1.3M | 0.02% | 12,528 | Common | SOLE |
| 235851102 | DHR | DANAHER CORPORATION | $1.3M | 0.02% | 6,421 | Common | SOLE |
| 98978V103 | ZTS | ZOETIS INC | $1.3M | 0.02% | 8,554 | Common | SOLE |
| 07831C103 | BRBR | BELLRING BRANDS INC | $1.2M | 0.02% | 34,232 | Common | SOLE |
| 05479K106 | ELUT | ELUTIA INC | $1.2M | 0.02% | 1,371,603 | Common | SOLE |
| 114340102 | AZTA | AZENTA INC | $1.2M | 0.02% | 41,004 | Common | SOLE |
| 09073M104 | TECH | BIO-TECHNE CORP | $1.2M | 0.02% | 20,979 | Common | SOLE |
| 98422E103 | XERS | XERIS BIOPHARMA HOLDINGS INC | $984,126 | 0.02% | 120,900 | Common | SOLE |
| 071813109 | BAX | BAXTER INTL INC | $973,281 | 0.01% | 42,744 | Common | SOLE |
| 60855R100 | MOH | MOLINA HEALTHCARE INC | $965,794 | 0.01% | 5,047 | Common | SOLE |
| 02081G201 | ATEC | ALPHATEC HLDGS INC | $948,909 | 0.01% | 65,262 | Common | SOLE |
| 00650F109 | ADPT | ADAPTIVE BIOTECHNOLOGIES COR | $902,507 | 0.01% | 60,328 | Common | SOLE |
| 863667101 | SYK | STRYKER CORPORATION | $734,904 | 0.01% | 1,988 | Common | SOLE |
| 602496101 | MDXG | MIMEDX GROUP INC | $731,993 | 0.01% | 104,870 | Common | SOLE |
| 90184D100 | TWST | TWIST BIOSCIENCE CORP | $670,492 | 0.01% | 23,827 | Common | SOLE |
| 42226A107 | HQY | HEALTHEQUITY INC | $669,076 | 0.01% | 7,060 | Common | SOLE |
| G8473T100 | STE | STERIS PLC | $637,900 | 0.01% | 2,578 | Common | SOLE |
| 379577208 | GMED | GLOBUS MED INC | $636,041 | 0.01% | 11,106 | Common | SOLE |
| 28176E108 | EW | EDWARDS LIFESCIENCES CORP | $493,762 | 0.01% | 6,349 | Common | SOLE |
| 883556102 | TMO | THERMO FISHER SCIENTIFIC INC | $457,859 | 0.01% | 944 | Common | SOLE |
| 83601L102 | SHC | SOTERA HEALTH CO | $399,290 | 0.01% | 25,384 | Common | SOLE |
| 24906P109 | XRAY | DENTSPLY SIRONA INC | $383,022 | 0.01% | 30,183 | Common | SOLE |
| 504922105 | LH | LABCORP HOLDINGS INC | $303,422 | 0.00% | 1,057 | Common | SOLE |
| 817565104 | SCI | SERVICE CORP INTL | $302,505 | 0.00% | 3,635 | Common | SOLE |
| 806407102 | HSIC | HENRY SCHEIN INC | $278,157 | 0.00% | 4,191 | Common | SOLE |
| 868459108 | SUPN | SUPERNUS PHARMACEUTICALS INC | $254,768 | 0.00% | 5,331 | Common | SOLE |
| 444859102 | HUM | HUMANA INC | $238,576 | 0.00% | 917 | Common | SOLE |
| 68622V106 | OGN | ORGANON & CO | $175,024 | 0.00% | 16,388 | Common | SOLE |
| 68236X118 | TOIIW | THE ONCOLOGY INSTITUTE INC | $150,000 | 0.00% | 1,250,000 | Common | SOLE |
| 875372203 | TNDM | TANDEM DIABETES CARE INC | $148,047 | 0.00% | 12,195 | Common | SOLE |
| 203668108 | CYH | COMMUNITY HEALTH SYS INC NEW | $105,031 | 0.00% | 32,720 | Common | SOLE |
| 74765K113 | QSIAW | QUANTUM SI INC | $90,000 | 0.00% | 333,333 | Common | SOLE |
| 67080N119 | NUVB/WS | NUVATION BIO INC | $33,683 | 0.00% | 166,666 | Common | SOLE |
| 124155110 | BFLYW | BUTTERFLY NETWORK INC | $33,440 | 0.00% | 733,333 | Common | SOLE |
| 29089Q105 | EBS | EMERGENT BIOSOLUTIONS INC | $16,511 | 0.00% | 1,872 | Common | SOLE |
| 69353Y103 | PMVP | PMV PHARMACEUTICALS INC | $12,306 | 0.00% | 8,790 | Common | SOLE |
| 62855J104 | MYGN | MYRIAD GENETICS INC | $3,651 | 0.00% | 505 | Common | SOLE |
| 86889P117 | SRZNW | SURROZEN INC | $2,967 | 0.00% | 166,666 | Common | SOLE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.