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13F-HR filed by DEERFIELD MANAGEMENT COMPANY, L.P.

DEERFIELD MANAGEMENT COMPANY, L.P. filed this 13F-HR for the quarter ended 2026-06-30, filed 2026-08-14, with 82 holding rows worth $9,586,027,944.

Accession
0001213900-26-089991
Filed
2026-08-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q2 2026

A holdings report, 82 entries on the cover page, a total value of $9,586,027,944 stated on the cover page (in dollars after the unit check, H1), rows summing to $9,586,027,944 with VALUE read as dollars as filed, 13F file number 028-05366. The quarter's positions are built on this report. The resolved quarter.

Other managers

  • included managerDeerfield UGP, LLC 028-25875

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
NUVALENT INC COM670703107Stock17,248,450$2,130,183,575dollars as filed
BROOKDALE SR LIVING INC112463AF1NOTE 3.500%10/1306,885,000$585,704,753dollars as filedprincipal
REVOLUTION MEDICINES INC COM76155X100Stock2,392,000$447,973,760dollars as filed
PRAXIS PRECISION MEDICINES I74006W207COM NEW963,351$322,520,281dollars as filed
VIATRIS INC COM92556V106Stock20,206,170$320,873,980dollars as filed
CENTENE CORP DEL COM15135B101Stock4,901,000$314,595,190dollars as filed
REVOLUTION MEDICINES INC76155XAA8NOTE 0.500% 5/0200,000,000$251,681,000dollars as filedprincipal
UNITED THERAPEUTICS CORP DEL COM91307C102Stock457,000$247,616,310dollars as filed
Arrowhead Pharmaceuticals In Note 1/104280AAC4Convertible200,000,000$240,537,600dollars as filedprincipal
LEGEND BIOTECH CORP52490G102SPONSORED ADS8,137,638$235,014,985dollars as filed
COGENT BIOSCIENCES INC19240Q201COM5,006,104$193,736,225dollars as filed
GENMAB A/S372303206Ordinary Shares, nominal value DKK 1 per share6,865,000$188,581,550dollars as filed
BROOKDALE SR LIVING INC112463104COM11,637,032$187,239,845dollars as filed
VERA THERAPEUTICS INC92337R101COMMON STOCK3,916,400$168,052,724dollars as filed
IONIS PHARMACEUTICALS INC COM462222100Stock1,979,669$156,967,955dollars as filed
CELCUITY INC15102K100COM1,451,014$151,805,085dollars as filed
BIOCRYST PHARMACEUTICALS INC COM09058V103Stock15,096,403$150,964,030dollars as filed
NEWAMSTERDAM PHARMA CO NVN62509109COMMON STOCK4,264,789$144,533,699dollars as filed
ACADIA HEALTHCARE COMPANY INC COM00404A109Stock4,520,000$133,475,600dollars as filed
TANGO THERAPEUTICS INC87583X109COM4,190,611$130,998,500dollars as filed
ADAPTHEALTH CORP00653Q102COMMON STOCK11,477,730$119,597,947dollars as filed
PHARVARIS NVN69605108COMMON STOCK3,376,042$116,743,532dollars as filed
Celcuity Inc Note 0.250 percent 8/015102KAB6Convertible100,000,000$113,779,900dollars as filedprincipal
ARROWHEAD PHARMACEUTICALS IN04280A100COM1,389,055$113,221,873dollars as filed
DIANTHUS THERAPEUTICS INC252828108COM1,125,313$109,695,511dollars as filed
LARIMAR THERAPEUTICS INC517125100COM35,606,974$108,601,271dollars as filed
MINERALYS THERAPEUTICS INC603170101COM3,958,000$106,786,840dollars as filed
ALIGNMENT HEALTHCARE INC01625VAB0NOTE 4.250%11/161,000,000$103,829,930dollars as filedprincipal
IDEAYA BIOSCIENCES INC COM45166A102Stock2,714,503$101,169,527dollars as filed
XENON PHARMACEUTICALS INC COM98420N105Stock1,615,696$97,523,411dollars as filed
IONIS PHARMACEUTICALS INC462222AF7NOTE 1.750% 6/160,000,000$93,104,400dollars as filedprincipal
SAVARA INC805111101COM13,569,000$83,585,040dollars as filed
LANTHEUS HLDGS INC516544103COM752,999$83,537,709dollars as filed
SYNDAX PHARMACEUTICALS INC87164F105COM3,779,900$82,628,614dollars as filed
ZENAS BIOPHARMA INC98937LAA3NOTE 2.500% 4/067,200,000$80,316,096dollars as filedprincipal
BIOMARIN PHARMACEUTICAL INC09061G101COM1,332,836$76,264,876dollars as filed
Pfizer Inc.717081103COM3,040,000$73,203,200dollars as filed
INDIVIOR PHARMACEUTICALS INC45579U109COM1,648,895$67,654,162dollars as filed
BIO RAD LABS INC090572207CL A226,070$66,376,413dollars as filed
ARS PHARMACEUTICALS INC82835W108COM7,503,812$60,105,534dollars as filed
STOKE THERAPEUTICS INC86150R107COM1,823,500$59,664,920dollars as filed
STRUCTURE THERAPEUTICS INC COMP86366E106EQUITY1,086,000$58,285,620dollars as filed
ENVISTA HOLDINGS CORPORATION29415F104COM2,210,100$58,236,135dollars as filed
INSPIRE MED SYS INC COM457730109Stock1,296,862$57,853,014dollars as filed
CAREDX INC14167L103COM1,997,618$56,932,113dollars as filed
Boston Scientific Corporation101137107COM1,315,000$56,124,200dollars as filed
BELITE BIO INC07782B104CMN357,199$55,003,288dollars as filed
PARABILIS MEDICINES INC COM698955101Stock1,880,704$51,474,868dollars as filed
CERTARA INC COM15687V109Stock7,512,928$49,209,678dollars as filed
DISC MEDICINE INC COM254604101Stock657,000$48,052,980dollars as filed
LIVANOVA PLC53802LAB8NOTE 2.500% 3/134,280,000$46,485,120dollars as filedprincipal
BRIDGEBIO ONCOLOGY THERAPEUT107924102COM NEW4,885,446$37,227,099dollars as filed
TYRA BIOSCIENCES INC90240B106COMMON STOCK1,017,000$32,482,980dollars as filed
MONOPAR THERAPEUTICS INC61023L207COMMON STOCK323,745$29,975,550dollars as filed
SIONNA THERAPEUTICS INC829401108COMMON STOCK680,916$29,953,495dollars as filed
IMMUNOCORE HLDGS PLC45258DAB1NOTE 2.500% 2/030,000,000$27,104,340dollars as filedprincipal
AVALYN PHARMA INC05348Y105COMMON STOCK731,000$24,064,520dollars as filed
FOGHORN THERAPEUTICS INC344174107COMMON STOCK4,394,367$21,444,511dollars as filed
BETA BIONICS INC08659B102COMMON STOCK1,324,000$20,747,080dollars as filed
ALNYLAM PHARMACEUTICALS INC COM02043Q107Stock67,935$20,450,473dollars as filed
BRIGHT MINDS BIOSCIENCES INC10919W405COMMON STOCK283,000$19,866,600dollars as filed
Odyssey Therapeutics, Inc.67613T104COMMON STOCK1,046,139$19,573,261dollars as filed
STARLING ONCOLOGY INC68236X100COMMON STOCK3,360,052$18,245,082dollars as filed
KYVERNA THERAPEUTICS INC501976104COMMON STOCK2,000,000$17,820,000dollars as filed
ALAMAR BIOSCIENCES INC010911105COMMON STOCK600,000$16,254,000dollars as filed
CHEMED CORP NEW16359R103COM30,000$13,972,200dollars as filed
SPYGLASS PHARMA INC85220G109COMMON STOCK550,000$12,243,000dollars as filed
NEOGENOMICS INC64049MAB6NOTE 0.250% 1/113,040,000$12,202,076dollars as filedprincipal
ADAGENE INC005329107CMN2,666,666$11,199,997dollars as filed
HEMAB THERAPEUTICS HLDGS INC423494103COM SHS275,000$10,100,750dollars as filed
MOBIA MED INC60705V103COMMON STOCK670,752$8,988,077dollars as filed
EMBECTA CORP29082K105COMMON STOCK2,534,961$8,263,973dollars as filed
VERACYTE INC COM92337F107Stock101,000$5,931,730dollars as filed
ANNEXON INC03589W102COM583,913$3,334,143dollars as filed
ALECTOR INC014442107COMMON STOCK1,055,192$2,120,936dollars as filed
NEWAMSTERDAM PHARMA CO NV-27N62509117WTS92,787$1,982,858dollars as filed
EDWARDS LIFESCIENCES CORP COM28176E108Stock13,702$1,239,483dollars as filed
MIRUM PHARMACEUTICALS INC604749101COM6,027$705,581dollars as filed
HUMANA INC COM444859102Stock917$364,251dollars as filed
The Oncology Institute Inc W Exp 99/99/99968236X118SPAC Combination1,250,000$51,000dollars as filed
PMV PHARMACEUTICALS INC69353Y103COM8,790$11,779dollars as filed
SURROZEN INC86889P117*W EXP 08/01/203166,666$2,750dollars as filed

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001213900-26-089991this filing2026-08-14acceptance time not in the bulk data set