Q1 2025 · 13F-HR
DEERFIELD MANAGEMENT COMPANY, L.P.holdings as filed
Filed 2025-05-15 · accession 0001213900-25-044138
$5.06B
Reported value
123
Positions
2025-03-31
Period end
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 670703107 | NUVL | NUVALENT INC | $1.28B | 25.2% | 17,991,024 | Common | SOLE |
| 92556V106 | VTRS | VIATRIS INC | $209.0M | 4.13% | 23,991,594 | Common | SOLE |
| 457985AM1 | IART 0.5 08/15/25 | INTEGRA LIFESCIENCES HLDGS C | $171.0M | 3.38% | 174,364,000 | Common | SOLE |
| 64125C109 | NBIX | NEUROCRINE BIOSCIENCES INC | $164.7M | 3.25% | 1,489,000 | Common | SOLE |
| 15135B101 | CNC | CENTENE CORP DEL | $162.2M | 3.20% | 2,671,921 | Common | SOLE |
| 687793109 | OSCR | OSCAR HEALTH INC | $155.2M | 3.06% | 11,840,818 | Common | SOLE |
| N5749R100 | 2GH | MERUS N V | $133.6M | 2.64% | 3,173,928 | Common | SOLE |
| 82835W108 | SPRY | ARS PHARMACEUTICALS INC | $132.3M | 2.61% | 10,514,657 | Common | SOLE |
| 00437EAB8 | — | ACCOLADE INC | $130.6M | 2.58% | 132,598,000 | Common | SOLE |
| 02043QAB3 | ALNY 1 09/15/27 | ALNYLAM PHARMACEUTICALS INC | $126.9M | 2.50% | 110,000,000 | Common | SOLE |
| 76155X100 | RVMD | REVOLUTION MEDICINES INC | $117.3M | 2.32% | 3,317,332 | Common | SOLE |
| 604749AB7 | MIRM 4 05/01/29 | MIRUM PHARMACEUTICALS INC | $114.5M | 2.26% | 70,000,000 | Common | SOLE |
| 00653Q102 | AHCO | ADAPTHEALTH CORP | $105.3M | 2.08% | 9,711,410 | Common | SOLE |
| G4766E116 | INDV | INDIVIOR PLC | $100.7M | 1.99% | 10,567,160 | Common | SOLE |
| 112463104 | BKD | BROOKDALE SR LIVING INC | $97.7M | 1.93% | 15,612,264 | Common | SOLE |
| 01625V104 | ALHC | ALIGNMENT HEALTHCARE INC | $85.0M | 1.68% | 4,567,473 | Common | SOLE |
| 91307C102 | UTHR | UNITED THERAPEUTICS CORP DEL | $84.8M | 1.68% | 275,226 | Common | SOLE |
| 717081103 | PFE | PFIZER INC | $84.8M | 1.67% | 3,347,296 | Common | SOLE |
| N62509109 | NAMS | NEWAMSTERDAM PHARMA COMPANY | $84.0M | 1.66% | 4,103,957 | Common | SOLE |
| 14888U101 | CPRX | CATALYST PHARMACEUTICALS INC | $83.0M | 1.64% | 3,422,149 | Common | SOLE |
| 268158201 | DVAX | DYNAVAX TECHNOLOGIES CORP | $67.3M | 1.33% | 5,191,493 | Common | SOLE |
| 071813109 | BAX | BAXTER INTL INC | $65.8M | 1.30% | 1,923,100 | Common | SOLE |
| 52490G102 | LEGN | LEGEND BIOTECH CORP | $59.2M | 1.17% | 1,743,555 | Common | SOLE |
| 090572207 | BIO | BIO RAD LABS INC | $55.1M | 1.09% | 226,070 | Common | SOLE |
| 45166A102 | IDYA | IDEAYA BIOSCIENCES INC | $53.5M | 1.06% | 3,267,551 | Common | SOLE |
| 28036F105 | EWTX | EDGEWISE THERAPEUTICS INC | $45.7M | 0.90% | 2,078,509 | Common | SOLE |
| 517125100 | LRMR | LARIMAR THERAPEUTICS INC | $45.6M | 0.90% | 21,231,974 | Common | SOLE |
| 29332G102 | EHABUSD | ENHABIT INC | $43.9M | 0.87% | 4,997,746 | Common | SOLE |
| 02043Q107 | ALNY | ALNYLAM PHARMACEUTICALS INC | $39.2M | 0.77% | 145,000 | Common | SOLE |
| 09058V103 | BCRX | BIOCRYST PHARMACEUTICALS INC | $38.9M | 0.77% | 5,189,665 | Common | SOLE |
| 254604101 | IRON | DISC MEDICINE INC | $38.8M | 0.77% | 782,333 | Common | SOLE |
| 207410101 | CNMD | CONMED CORP | $36.9M | 0.73% | 611,000 | Common | SOLE |
| 516544AB9 | LNTH 2.625 12/15/27 | LANTHEUS HLDGS INC | $35.6M | 0.70% | 25,255,000 | Common | SOLE |
| 29415F104 | NVST | ENVISTA HOLDINGS CORPORATION | $35.0M | 0.69% | 2,024,943 | Common | SOLE |
| 457669307 | INSM | INSMED INC | $34.9M | 0.69% | 458,000 | Common | SOLE |
| 29082K105 | EMBC | EMBECTA CORP | $34.7M | 0.68% | 2,720,535 | Common | SOLE |
| 16934W106 | CMRXEUR | CHIMERIX INC | $32.1M | 0.63% | 3,771,342 | Common | SOLE |
| N69605108 | PHVS | PHARVARIS N V | $31.7M | 0.63% | 2,017,464 | Common | SOLE |
| 230031106 | CGEM | CULLINAN THERAPEUTICS INC | $29.2M | 0.58% | 3,860,839 | Common | SOLE |
| M5425M103 | INMD | INMODE LTD | $28.0M | 0.55% | 1,578,708 | Common | SOLE |
| 71944F106 | PHR | PHREESIA INC | $25.8M | 0.51% | 1,009,844 | Common | SOLE |
| 92337R101 | VERA | VERA THERAPEUTICS INC | $25.2M | 0.50% | 1,050,000 | Common | SOLE |
| 45258DAB1 | IMCR 2.5 02/01/30 | IMMUNOCORE HLDGS PLC | $25.2M | 0.50% | 30,000,000 | Common | SOLE |
| 53635D202 | LQDA | LIQUIDIA CORPORATION | $23.8M | 0.47% | 1,616,778 | Common | SOLE |
| 23954D109 | DAWNGBX | DAY ONE BIOPHARMACEUTICALS I | $23.5M | 0.46% | 2,960,740 | Common | SOLE |
| 74006W207 | PRAX | PRAXIS PRECISION MEDICINES I | $23.5M | 0.46% | 619,931 | Common | SOLE |
| 516544103 | LNTH | LANTHEUS HLDGS INC | $23.4M | 0.46% | 240,218 | Common | SOLE |
| 805111101 | SVRA | SAVARA INC | $22.1M | 0.44% | 7,964,000 | Common | SOLE |
| 156944100 | CGON | CG ONCOLOGY INC | $20.8M | 0.41% | 850,695 | Common | SOLE |
| G31249108 | ESTA | ESTABLISHMENT LABS HLDGS INC | $20.4M | 0.40% | 500,000 | PUT | SOLE |
| 15687V109 | CERT | CERTARA INC | $20.0M | 0.40% | 2,022,616 | Common | SOLE |
| 98422EAB9 | XERS 8 07/15/28 | XERIS BIOPHARMA HOLDINGS INC | $19.9M | 0.39% | 10,500,000 | Common | SOLE |
| 457985208 | IART | INTEGRA LIFESCIENCES HLDGS C | $17.5M | 0.35% | 794,865 | Common | SOLE |
| 07373V105 | BEAM | BEAM THERAPEUTICS INC | $17.1M | 0.34% | 877,809 | Common | SOLE |
| 501575104 | KYMR | KYMERA THERAPEUTICS INC | $16.2M | 0.32% | 593,000 | Common | SOLE |
| 19240Q201 | COGT | COGENT BIOSCIENCES INC | $15.8M | 0.31% | 2,633,862 | Common | SOLE |
| 589492107 | MREO | MEREO BIOPHARMA GROUP PLC | $15.1M | 0.30% | 6,710,429 | Common | SOLE |
| 20603L102 | CON | CONCENTRA GROUP HOLDINGS PAR | $14.1M | 0.28% | 650,000 | Common | SOLE |
| 59267L107 | — | METSERA INC | $13.6M | 0.27% | 500,000 | Common | SOLE |
| 256086109 | DCGO | DOCGO INC | $13.3M | 0.26% | 5,051,500 | Common | SOLE |
| 88025U109 | TXG | 10X GENOMICS INC | $13.1M | 0.26% | 1,503,594 | Common | SOLE |
| 745848101 | LUNG | PULMONX CORP | $12.7M | 0.25% | 1,890,000 | Common | SOLE |
| 08659B102 | BBNX | BETA BIONICS INC | $12.4M | 0.25% | 1,016,000 | Common | SOLE |
| 98937L105 | ZBIO | ZENAS BIOPHARMA INC | $12.3M | 0.24% | 1,562,942 | Common | SOLE |
| 344174107 | FHTX | FOGHORN THERAPEUTICS INC | $11.9M | 0.23% | 3,255,514 | Common | SOLE |
| G6674U108 | NVCR | NOVOCURE LTD | $11.6M | 0.23% | 650,119 | Common | SOLE |
| 68375N103 | OPK | OPKO HEALTH INC | $11.5M | 0.23% | 6,906,362 | Common | SOLE |
| 24661P807 | DCTH | DELCATH SYS INC | $10.4M | 0.20% | 813,106 | Common | SOLE |
| G3855L106 | GHRS | GH RESEARCH PLC | $10.2M | 0.20% | 925,000 | Common | SOLE |
| 78349D107 | RXST | RXSIGHT INC | $9.9M | 0.20% | 392,332 | Common | SOLE |
| 829214105 | SLP | SIMULATIONS PLUS INC | $8.7M | 0.17% | 354,089 | Common | SOLE |
| 26818M108 | DYN | DYNE THERAPEUTICS INC | $8.5M | 0.17% | 812,408 | Common | SOLE |
| 92243G108 | PCVX | VAXCYTE INC | $8.5M | 0.17% | 225,000 | Common | SOLE |
| 829401108 | SION | SIONNA THERAPEUTICS INC | $7.8M | 0.15% | 747,000 | Common | SOLE |
| 00773J202 | SYRE | SPYRE THERAPEUTICS INC | $7.3M | 0.14% | 450,000 | Common | SOLE |
| 86366E106 | GPCR | STRUCTURE THERAPEUTICS INC | $6.5M | 0.13% | 373,407 | Common | SOLE |
| 641288105 | NPCE | NEUROPACE INC | $6.1M | 0.12% | 500,000 | Common | SOLE |
| 46489V302 | CATX | PERSPECTIVE THERAPEUTICS INC | $6.0M | 0.12% | 2,829,413 | Common | SOLE |
| 64135M105 | NGNE | NEUROGENE INC | $5.2M | 0.10% | 446,880 | Common | SOLE |
| 68236X100 | TOI | THE ONCOLOGY INSTITUTE INC | $3.8M | 0.08% | 3,360,052 | Common | SOLE |
| 43157M102 | — | HILLEVAX INC | $2.7M | 0.05% | 1,882,654 | Common | SOLE |
| 38942Q202 | CALC | CALCIMEDICA INC | $2.5M | 0.05% | 1,300,000 | Common | SOLE |
| 09090D301 | — | BIOMX INC | $1.4M | 0.03% | 2,494,108 | Common | SOLE |
| 014442107 | ALEC | ALECTOR INC | $1.3M | 0.03% | 1,055,192 | Common | SOLE |
| 03589W102 | ANNX | ANNEXON INC | $1.1M | 0.02% | 583,913 | Common | SOLE |
| 90184D100 | TWST | TWIST BIOSCIENCE CORP | $935,448 | 0.02% | 23,827 | Common | SOLE |
| N62509117 | NAMSW | NEWAMSTERDAM PHARMA COMPANY | $834,155 | 0.02% | 92,787 | Common | SOLE |
| 444859102 | HUM | HUMANA INC | $242,638 | 0.00% | 917 | Common | SOLE |
| 790148100 | JOE | ST JOE CO | $210,007 | 0.00% | 4,473 | Common | SOLE |
| 23355L106 | DXC | DXC TECHNOLOGY CO | $202,605 | 0.00% | 11,883 | Common | SOLE |
| 98422X101 | XPOF | XPONENTIAL FITNESS INC | $192,398 | 0.00% | 23,097 | Common | SOLE |
| 31154R109 | FPI | FARMLAND PARTNERS INC | $188,022 | 0.00% | 16,863 | Common | SOLE |
| 40609P105 | HNRG | HALLADOR ENERGY COMPANY | $168,396 | 0.00% | 13,713 | Common | SOLE |
| 76680V108 | REI | RING ENERGY INC | $146,482 | 0.00% | 127,376 | Common | SOLE |
| 74765K113 | QSIAW | QUANTUM SI INC | $133,333 | 0.00% | 333,333 | Common | SOLE |
| 55272X607 | MFA | MFA FINL INC | $112,193 | 0.00% | 10,935 | Common | SOLE |
| 71601V105 | WOOF | PETCO HEALTH & WELLNESS CO I | $108,110 | 0.00% | 35,446 | Common | SOLE |
| 05637B105 | BLZE | BACKBLAZE INC | $103,724 | 0.00% | 21,475 | Common | SOLE |
| 92764N102 | VIR | VIR BIOTECHNOLOGY INC | $101,917 | 0.00% | 15,728 | Common | SOLE |
| 58450V104 | MAX | MEDIAALPHA INC | $99,746 | 0.00% | 10,795 | Common | SOLE |
| 56400P706 | MNKD | MANNKIND CORP | $87,421 | 0.00% | 17,380 | Common | SOLE |
| 25525P107 | DHC | DIVERSIFIED HEALTHCARE TR | $81,341 | 0.00% | 33,892 | Common | SOLE |
| 488445206 | ZVRA | ZEVRA THERAPEUTICS INC | $81,259 | 0.00% | 10,849 | Common | SOLE |
| 67080N101 | NUVB | NUVATION BIO INC | $79,988 | 0.00% | 45,448 | Common | SOLE |
| 76029L100 | RPAY | REPAY HLDGS CORP | $73,385 | 0.00% | 13,175 | Common | SOLE |
| 74766Q101 | QTRX | QUANTERIX CORP | $71,760 | 0.00% | 11,023 | Common | SOLE |
| 00091E109 | ABSI | ABSCI CORPORATION | $70,458 | 0.00% | 28,071 | Common | SOLE |
| 124155110 | BFLYW | BUTTERFLY NETWORK INC | $66,000 | 0.00% | 733,333 | Common | SOLE |
| 157085101 | CERS | CERUS CORP | $62,123 | 0.00% | 44,693 | Common | SOLE |
| 01438T106 | ALDX | ALDEYRA THERAPEUTICS INC | $59,386 | 0.00% | 10,328 | Common | SOLE |
| 86771W105 | RUN | SUNRUN INC | $59,327 | 0.00% | 10,124 | Common | SOLE |
| 76200L309 | RZLT | REZOLUTE INC | $55,747 | 0.00% | 19,223 | Common | SOLE |
| 67080N119 | NUVB/WS | NUVATION BIO INC | $53,333 | 0.00% | 166,666 | Common | SOLE |
| 57777K106 | MXCT | MAXCYTE INC | $52,200 | 0.00% | 19,121 | Common | SOLE |
| 00081T108 | ACCO | ACCO BRANDS CORP | $47,104 | 0.00% | 11,242 | Common | SOLE |
| 25400W102 | APPS | DIGITAL TURBINE INC | $45,998 | 0.00% | 16,942 | Common | SOLE |
| 679369108 | OLPX | OLAPLEX HLDGS INC | $36,618 | 0.00% | 28,833 | Common | SOLE |
| 87427V103 | TALK | TALKSPACE INC | $34,422 | 0.00% | 13,446 | Common | SOLE |
| 68236X118 | TOIIW | THE ONCOLOGY INSTITUTE INC | $33,875 | 0.00% | 1,250,000 | Common | SOLE |
| 203668108 | CYH | COMMUNITY HEALTH SYS INC NEW | $31,636 | 0.00% | 11,717 | Common | SOLE |
| 124155102 | BFLY | BUTTERFLY NETWORK INC | $26,528 | 0.00% | 11,635 | Common | SOLE |
| 12529R107 | CCCC | C4 THERAPEUTICS INC | $20,045 | 0.00% | 12,528 | Common | SOLE |
| 86889P117 | SRZNW | SURROZEN INC | $5,000 | 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.