Deerfield Management Company, L.P.

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 15, 2024), Deerfield Management Company, L.P. reported 353 stock positions worth $5.2 billion. Its top holding was Nuvalent Class A (NUVL) at 28.8% of the portfolio, followed by Viatris (VTRS, 4.9%) and Centene (CNC, 3.6%). Compared with Q4 2023, it opened 223 new positions, sold out of 76, added to 64 and reduced 45. The biggest buy was Larimar Therapeutics (LRMR, shares +25%) and the biggest sale an exit from Rayzebio (RYZB).

Most Recent 13F
Q2 2026
Location
New York, NY
CIK
0001009258
Portfolio Value
$5.2B (Q1 2024)
SEC Filing
0000950159-24-000176 ↗ filed May 15, 2024

Holdings Value

0$2.0B$4.0B$6.0B$8.0B$10.0B Q1 2024: $5.2B $5.2B Q1 2024 Q2 2024: $5.2B Q2 2024 Q3 2024: $6.0B Q3 2024 Q4 2024: $4.7B Q4 2024 Q1 2025: $4.4B Q1 2025 Q2 2025: $4.9B Q2 2025 Q3 2025: $6.0B Q3 2025 Q4 2025: $6.8B Q4 2025 Q1 2026: $7.2B Q1 2026 Q2 2026: $8.0B Q2 2026

Holdings 353 stocks · $5.2B

NUVL Nuvalent Inc. Class A 28.80% 19,991,024 $1.5B No change
VTRS Viatris Inc. 4.90% 21,395,052 $255.5M Add +7.7%
CNC Centene Corp. 3.58% 2,381,044 $186.9M Add +19.5%
LRMR Larimar Therapeutics Inc. 3.09% 21,231,974 $161.2M Add +25.3%
AHCO Adapthealth Corp. 2.93% 13,257,940 $152.6M Reduce -2.6%
CPRX Catalyst Pharmaceuticals Inc. 2.79% 9,130,817 $145.5M Add +2.7%
OSCR Oscar Health Inc. Class A 2.67% 9,373,097 $139.4M Reduce -16.7%
FUSN Fusion Pharmaceuticals Inc. 2.62% 6,401,000 $136.5M No change
ACH Accendra Health Inc. filed as OWENS & MINOR INC NEW 2.59% 4,877,588 $135.2M Reduce -6.7%
MRUS Merus NV 2.29% 2,649,401 $119.3M Reduce -12.3%
KURA Kura Oncology Inc. 2.21% 5,411,571 $115.4M Add +1.9%
IDYA Ideaya Biosciences Inc. 2.21% 2,630,292 $115.4M No change
SPRY Ars Pharmaceuticals Inc. 2.17% 11,077,927 $113.2M No change
BKD Brookdale Senior Living Inc. 1.98% 15,612,264 $103.2M Add +5.5%
RVMD Revolution Medicines Inc. 1.91% 3,090,073 $99.6M No change
NBIX Neurocrine Biosciences Inc. 1.83% 691,004 $95.3M Reduce -22.9%
SGRY Surgery Partners Inc. 1.82% 3,186,803 $95.1M Add +51.4%
DCPH Deciphera Pharmaceuticals Inc. 1.55% 5,127,270 $80.7M Reduce -11.4%
HLVX Hillevax Inc. 1.28% 4,004,231 $66.6M No change
SWTX Springworks Therapeutics Inc. 1.21% 1,283,176 $63.2M Reduce -50.4%
EHAB Enhabit Inc. 1.12% 4,997,746 $58.2M No change
NKTX Nkarta Inc. 1.08% 5,194,087 $56.1M Add +52.8%
BIO Bio-Rad Laboratories-A 1.01% 152,378 $52.7M Add +0.5%
BNTX Biontech SE-ADR 1.01% 569,574 $52.5M New
EWTX Edgewise Therapeutics Inc. 1.01% 2,874,586 $52.4M Reduce -26.9%
IART Integra Lifesciences Holding 1.00% 1,473,090 $52.2M Add +30.5%
LKFT Lakefront Biotherapeutic-ADR filed as GALAPAGOS NV 0.87% 1,411,000 $45.4M Add +126.8%
GPCR Structure Therapeutics Inc. 0.85% 1,033,680 $44.3M Add +25.6%
IRON Disc Medicine Inc. 0.79% 665,535 $41.4M Add +43.3%
ALHC Alignment Healthcare Inc. 0.79% 8,270,697 $41.0M Add +137.1%
VKTX Viking Therapeutics Inc. 0.73% 463,501 $38.0M Reduce -63.8%
KYTX Kyverna Therapeutics Inc. 0.70% 1,462,337 $36.3M New
EMBC Embecta Corp. 0.69% 2,726,135 $36.2M Add +96.9%
CATX Perspective Therapeutics Inc. 0.64% 28,177,636 $33.5M New
SLDB Solid Biosciences Inc. 0.58% 2,260,398 $30.1M New
DAWN Day One Biopharmaceuticals I 0.56% 1,765,312 $29.2M Add +0.2%
CNMD Conmed Corp. 0.52% 338,165 $27.1M Add +13130.2%
BCRX Biocryst Pharmaceuticals Inc. 0.49% 4,995,000 $25.4M Add +10.0%
INMD Inmode Ltd. 0.48% 1,166,704 $25.2M New
ACCD Accolade Inc. 0.48% 2,382,102 $25.0M New
PHVS Pharvaris NV 0.47% 1,061,592 $24.5M Add +30.7%
AUTL Autolus Therapeutics PLC 0.45% 3,639,000 $23.2M New
APGE Apogee Therapeutics Inc. 0.42% 329,000 $21.9M New
CABA Cabaletta Bio Inc. 0.41% 1,258,650 $21.5M Reduce -37.3%
DCGO Docgo Inc. 0.40% 5,104,387 $20.6M Reduce -4.1%
CSTL Castle Biosciences Inc. 0.39% 928,017 $20.6M Reduce -3.9%
PRLD Prelude Therapeutics Inc. 0.38% 4,133,000 $19.6M No change
VTYX Ventyx Biosciences Inc. 0.37% 3,542,000 $19.5M New
CGEM Cullinan Therapeutics Inc. 0.37% 1,138,531 $19.4M New
PODD Insulet Corp. 0.36% 110,061 $18.9M Reduce -38.5%
VSTM Verastem Inc. 0.35% 1,538,461 $18.2M No change
QDEL Quidelortho Corp. 0.32% 348,000 $16.7M No change
GH Guardant Health Inc. 0.31% 791,735 $16.3M No change
FATE Fate Therapeutics Inc. 0.31% 2,190,408 $16.1M New
NAMS Newamsterdam Pharma Co. NV 0.30% 667,000 $15.8M New
LNTH Lantheus Holdings Inc. 0.29% 240,187 $14.9M New
ENGN Engene Holdings Inc. 0.26% 800,000 $13.6M New
TNGX Tango Therapeutics Inc. 0.23% 1,540,000 $12.2M No change
EYPT Eyepoint Inc. 0.23% 579,594 $12.0M New
COGT Cogent Biosciences Inc. 0.20% 1,534,345 $10.3M Add +40.9%
ITOS Iteos Therapeutics Inc. 0.19% 723,000 $9.9M No change
REPL Replimune Group Inc. 0.13% 802,984 $6.6M Reduce -55.7%
ALEC Alector Inc. 0.12% 1,072,845 $6.5M Add +0.5%
PRME Prime Medicine Inc. 0.12% 885,314 $6.2M No change
GUTS Fractyl Health Inc. 0.12% 834,254 $6.2M New
WGS Genedx Holdings Corp. 0.11% 643,110 $5.9M No change
STLN Starling Oncology Inc. filed as THE ONCOLOGY INSTITUTE INC 0.10% 3,360,052 $5.3M No change
ANNX Annexon Inc. 0.08% 583,913 $4.2M No change
CALC Calcimedica Inc. 0.08% 1,000,000 $4.2M New
VIGL Vigil Neuroscience Inc. 0.06% 980,311 $3.3M Reduce -16.5%
BIOMX INC 0.05% 6,110,098 $2.7M New
SINGULAR GENOMICS SYSTEMS IN 0.05% 4,984,871 $2.6M No change
CMAXQ Caremax Inc. 0.05% 529,108 $2.6M No change
CGON CG Oncology Inc. 0.04% 47,540 $2.1M New
DXC DXC Technology Co. 0.03% 62,245 $1.3M New
DRI Darden Restaurants Inc. 0.02% 6,335 $1.1M New
PRGS Progress Software Corp. 0.02% 19,394 $1.0M New
AMZN Amazon.com Inc. 0.02% 5,219 $941K Add +121.0%
EA Electronic Arts Inc. 0.02% 6,602 $876K New
APG Api Group Corp. 0.02% 22,264 $874K New
NVDA Nvidia Corp. 0.02% 949 $857K Reduce -17.2%
SNX TD Synnex Corp. 0.02% 7,188 $813K New
PII Polaris Inc. 0.02% 7,960 $797K New
OWL Blue Owl Capital Inc. 0.02% 41,712 $787K Add +129.0%
MNKD Mannkind Corp. 0.01% 167,278 $758K New
NABL N-Able Inc. 0.01% 57,956 $757K Add +315.8%
WHR Whirlpool Corp. 0.01% 6,147 $735K New
SKYT Skywater Technology Inc. 0.01% 71,580 $728K New
ZTS Zoetis Inc. 0.01% 4,189 $709K New
DRS Leonardo DRS Inc. 0.01% 31,888 $704K New
CDMO Avid Bioservices Inc. 0.01% 101,789 $682K Add +157.2%
FCN Fti Consulting Inc. 0.01% 3,242 $682K New
AGYS Agilysys Inc. 0.01% 7,999 $674K New
ACLS Axcelis Technologies Inc. 0.01% 5,969 $666K New
ITW Illinois Tool Works 0.01% 2,470 $663K Add +194.8%
AMED Amedisys Inc. 0.01% 6,978 $643K New
ATRC Atricure Inc. 0.01% 20,740 $631K New
PAG Penske Automotive Group Inc. 0.01% 3,859 $625K New
FTNT Fortinet Inc. 0.01% 9,021 $616K New
GTLS Chart Industries Inc. 0.01% 3,720 $613K New

Show all 353 holdings

Other holdings (14): bonds, preferreds, convertibles and warrants · $535.1M (not counted above)
SecurityClassShares / PrincipalValueChange
BROOKDALE SENIOR LIVING (BKD 2 10/15/26) NOTE 2.000%10/1 · principal 161,905,000$158.4MAdd +10.9%
INSMED INC (INSM 1.75 01/15/25) NOTE 1.750% 1/1 · principal 116,954,000$124.4MNo change
ACCOLADE INC (ACCD 0.5 04/01/26) NOTE 0.500% 4/0 · principal 132,598,000$117.5MNo change
INTEGRA LIFESCIENCES HLD (IART 0.5 08/15/25) NOTE 0.500% 8/1 · principal 103,215,000$98.7MNew
LANTHEUS HOLDINGS INC (LNTH 2.625 12/15/27) NOTE 2.625%12/1 · principal 25,255,000$28.0MNew
NEOGENOMICS INC (NEO 1.25 05/01/25) NOTE 1.250% 5/0 · principal 6,500,000$6.3MNo change
NAMSW Newamsterdam Pharma Co. NV-27 *W EXP 99/99/999 92,787$1.0MNo change
TLSIW Medtech Acquisition Corp.-CW *W EXP 08/10/202 333,333$333KNo change
STLNW Oncology Institute Inc. CW-22 *W EXP 99/99/999 1,250,000$250KNo change
QSIAW Quantum-Si Inc. -CW27 *W EXP 06/10/202 333,333$81KNo change
NUVB.WS Nuvation Bio Inc. -CW27 *W EXP 02/10/202 166,666$50KNo change
BFLYW Butterfly Network Inc. -CW25 *W EXP 02/12/202 733,333$33KNo change
CMXWQ Caremax-CW *W EXP 06/08/202 672,000$11KNo change
SRZNW Surrozen Inc.-CW25 *W EXP 08/01/203 166,666$5KNo change

Total filed on the 13F, all lines: $5.7B.

Portfolio Sells Q4 2023 → Q1 2024

RYZB Rayzebio Inc. Sold out 0.00% −1.47
BAX Baxter International Inc. Reduce -99.5% 0.01% −1.23
SWTX Springworks Therapeutics Inc. Reduce -50.4% 1.21% −1.00
NBIX Neurocrine Biosciences Inc. Reduce -22.9% 1.83% −0.94
CABA Cabaletta Bio Inc. Reduce -37.3% 0.41% −0.66
DCPH Deciphera Pharmaceuticals Inc. Reduce -11.4% 1.55% −0.64
PODD Insulet Corp. Reduce -38.5% 0.36% −0.55
DCGO Docgo Inc. Reduce -4.1% 0.40% −0.30
REPL Replimune Group Inc. Reduce -55.7% 0.13% −0.23
CSTL Castle Biosciences Inc. Reduce -3.9% 0.39% −0.09
VIGL Vigil Neuroscience Inc. Reduce -16.5% 0.06% −0.03
NYXH Nyxoah SA Sold out 0.00% −0.02
TRS Trimas Corp. Sold out 0.00% −0.01
PPC Pilgrim's Pride Corp. Sold out 0.00% −0.01
JNJ Johnson & Johnson Sold out 0.00% −0.01
MUR Murphy Oil Corp. Sold out 0.00% −0.01
ANDE The Andersons Inc. Sold out 0.00% −0.01
METC Ramaco Resources Inc. Class A Reduce -54.8% 0.01% −0.01
DXCM Dexcom Inc. Sold out 0.00% −0.01
MLAB Mesa Laboratories Inc. Sold out 0.00% −0.01
JNPR Juniper Networks Inc. Sold out 0.00% −0.01
HSTM Healthstream Inc. Sold out 0.00% −0.01
IDCC Interdigital Inc. Sold out 0.00% −0.01
EEFT Euronet Worldwide Inc. Sold out 0.00% −0.01
MCS Marcus Corporation Sold out 0.00% −0.01
SMP Standard Motor Prods Sold out 0.00% −0.01
AVY Avery Dennison Corp. Sold out 0.00% −0.01
FMC FMC Corp. Sold out 0.00% −0.01
DVA Davita Inc. Sold out 0.00% −0.01
AROC Archrock Inc. Sold out 0.00% −0.01
UVE Universal Insurance Holdings Sold out 0.00% −0.01
CTRE Caretrust REIT Inc. Sold out 0.00% −0.01
MRK Merck & Co. Inc. Sold out 0.00% −0.01
UTZ Utz Brands Inc. Sold out 0.00% −0.01
MSA Msa Safety Inc. Reduce -43.0% 0.01% −0.01
KWR Quaker Chemical Corporation Sold out 0.00% −0.01
WWD Woodward Inc. Reduce -59.5% 0.00% −0.01
ACAD Acadia Pharmaceuticals Inc. Sold out 0.00% −0.01
ALNY Alnylam Pharmaceuticals Inc. Sold out 0.00% −0.01
IPG Interpublic Group of Cos Inc. Sold out 0.00% −0.01
MDGL Madrigal Pharmaceuticals Inc. Sold out 0.00% −0.01
TGT Target Corp. Sold out 0.00% −0.01
SAH Sonic Automotive Inc. Class A Sold out 0.00% −0.01
MMS Maximus Inc. Reduce -53.5% 0.00% −0.01
VC Visteon Corp. Reduce -44.6% 0.00% −0.01
ADM Archer-Daniels-Midland Co. Sold out 0.00% −0.01
NUE Nucor Corp. Sold out 0.00% −0.01
ARVN Arvinas Inc. Sold out 0.00% −0.01
VGR Vector Group Ltd. Sold out 0.00% −0.01
BDN Brandywine Realty Trust Sold out 0.00% −0.01

Portfolio Buys Q4 2023 → Q1 2024

LRMR Larimar Therapeutics Inc. Add +25.3% 3.09% +1.28
BNTX Biontech SE-ADR New 1.01% +1.01
KYTX Kyverna Therapeutics Inc. New 0.70% +0.70
CATX Perspective Therapeutics Inc. New 0.64% +0.64
SLDB Solid Biosciences Inc. New 0.58% +0.58
NKTX Nkarta Inc. Add +52.8% 1.08% +0.55
CNMD Conmed Corp. Add +13130.2% 0.52% +0.51
INMD Inmode Ltd. New 0.48% +0.48
ACCD Accolade Inc. New 0.48% +0.48
AUTL Autolus Therapeutics PLC New 0.45% +0.45
KURA Kura Oncology Inc. Add +1.9% 2.21% +0.42
APGE Apogee Therapeutics Inc. New 0.42% +0.42
VTYX Ventyx Biosciences Inc. New 0.37% +0.37
CGEM Cullinan Therapeutics Inc. New 0.37% +0.37
FATE Fate Therapeutics Inc. New 0.31% +0.31
NAMS Newamsterdam Pharma Co. NV New 0.30% +0.30
LNTH Lantheus Holdings Inc. New 0.29% +0.29
LKFT Lakefront Biotherapeutic-ADR Add +126.8% 0.87% +0.28
ENGN Engene Holdings Inc. New 0.26% +0.26
SGRY Surgery Partners Inc. Add +51.4% 1.82% +0.24
EYPT Eyepoint Inc. New 0.23% +0.23
IRON Disc Medicine Inc. Add +43.3% 0.79% +0.17
GUTS Fractyl Health Inc. New 0.12% +0.12
CNC Centene Corp. Add +19.5% 3.58% +0.12
ALHC Alignment Healthcare Inc. Add +137.1% 0.79% +0.08
CALC Calcimedica Inc. New 0.08% +0.08
EMBC Embecta Corp. Add +96.9% 0.69% +0.08
GPCR Structure Therapeutics Inc. Add +25.6% 0.85% +0.06
BIOMX INC New 0.05% +0.05
COGT Cogent Biosciences Inc. Add +40.9% 0.20% +0.05
CGON CG Oncology Inc. New 0.04% +0.04
DXC DXC Technology Co. New 0.03% +0.03
DRI Darden Restaurants Inc. New 0.02% +0.02
PRGS Progress Software Corp. New 0.02% +0.02
APG Api Group Corp. New 0.02% +0.02
EA Electronic Arts Inc. New 0.02% +0.02
SNX TD Synnex Corp. New 0.02% +0.02
PII Polaris Inc. New 0.02% +0.02
MNKD Mannkind Corp. New 0.01% +0.01
WHR Whirlpool Corp. New 0.01% +0.01
SKYT Skywater Technology Inc. New 0.01% +0.01
ZTS Zoetis Inc. New 0.01% +0.01
DRS Leonardo DRS Inc. New 0.01% +0.01
FCN Fti Consulting Inc. New 0.01% +0.01
AGYS Agilysys Inc. New 0.01% +0.01
ACLS Axcelis Technologies Inc. New 0.01% +0.01
AMED Amedisys Inc. New 0.01% +0.01
ATRC Atricure Inc. New 0.01% +0.01
PAG Penske Automotive Group Inc. New 0.01% +0.01
GTLS Chart Industries Inc. New 0.01% +0.01

Notes & Other Activity Q4 2023 → Q1 2024

GLAUKOS CORP (GKOS 2.75 06/15/27) NOTE 2.750% 6/1 · principal Sold out 271,452,000 $414.9Mbefore exit
INVITAE CORP (NVTA 4.5 03/15/28 A) DEBT 4.500% 3/1 · principal Sold out 217,766,000 $187.0Mbefore exit
NATERA INC (NTRA 2.25 05/01/27) NOTE 2.250% 5/0 · principal Sold out 101,042,000 $172.4Mbefore exit
BROOKDALE SENIOR LIVING (BKD 2 10/15/26) NOTE 2.000%10/1 · principal Add +10.9% 161,905,000 $158.4M
INTEGRA LIFESCIENCES HLD (IART 0.5 08/15/25) NOTE 0.500% 8/1 · principal New 103,215,000 $98.7M
LANTHEUS HOLDINGS INC (LNTH 2.625 12/15/27) NOTE 2.625%12/1 · principal New 25,255,000 $28.0M
SOMALOGIC INC *W EXP 08/31/202 Sold out 120,000 $14Kbefore exit

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 69$8.0BNUVL, RVMD, PRAX, VTRS, CNC
Q1 2026 69$7.2BNUVL, COGT, PRAX, VTRS, UTHR
Q4 2025 135$6.8BNUVL, COGT, PRAX, CNC, VTRS
Q3 2025 138$6.0BNUVL, CNC, MRUS, VTRS, UTHR
Q2 2025 110$4.9BNUVL, OSCR, VTRS, MRUS, CNC
Q1 2025 109$4.4BNUVL, VTRS, NBIX, CNC, OSCR
Q4 2024 93$4.7BNUVL, VTRS, CNC, OSCR, RVMD
Q3 2024 430$6.0BNUVL, VTRS, CNC, MRUS, OSCR
Q2 2024 418$5.2BNUVL, VTRS, CNC, MRUS, LRMR
Q1 2024 353$5.2BNUVL, VTRS, CNC, LRMR, AHCO