DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

Location: New York, NY

CIK: 0001009258 · Show all filings

Period: Q2 2026 (← Previous)

Filing Date: Aug 14, 2026

Total Value: $9.586B (83.8% shares, 16.2% debt)

Holdings (82)

NUVL NUVALENT INC 22.2%
Value $2.13B Shares 17,248,450 Est. Cost Unrealized
BROOKDALE SR LIVING INC 6.1%
Value $586M Shares 306,885,000 Est. Cost Unrealized
RVMD REVOLUTION MEDICINES INC 4.7%
Value $448M Shares 2,392,000 Est. Cost Unrealized
PRAX PRAXIS PRECISION MEDICINES I 3.4%
Value $323M Shares 963,351 Est. Cost Unrealized
VTRS VIATRIS INC 3.3%
Value $321M Shares 20,206,170 Est. Cost Unrealized
CNC CENTENE CORP DEL 3.3%
Value $315M Shares 4,901,000 Est. Cost Unrealized
REVOLUTION MEDICINES INC 2.6%
Value $252M Shares 200,000,000 Est. Cost Unrealized
UTHR UNITED THERAPEUTICS CORP DEL 2.6%
Value $248M Shares 457,000 Est. Cost Unrealized
ARROWHEAD PHARMACEUTICALS IN 2.5%
Value $241M Shares 200,000,000 Est. Cost Unrealized
LEGN LEGEND BIOTECH CORP 2.5%
Value $235M Shares 8,137,638 Est. Cost Unrealized
COGT COGENT BIOSCIENCES INC 2.0%
Value $194M Shares 5,006,104 Est. Cost Unrealized
GMAB GENMAB A/S 2.0%
Value $189M Shares 6,865,000 Est. Cost Unrealized
BKD BROOKDALE SR LIVING INC 2.0%
Value $187M Shares 11,637,032 Est. Cost Unrealized
VERA VERA THERAPEUTICS INC 1.8%
Value $168M Shares 3,916,400 Est. Cost Unrealized
IONS IONIS PHARMACEUTICALS INC 1.6%
Value $157M Shares 1,979,669 Est. Cost Unrealized
CELC CELCUITY INC 1.6%
Value $152M Shares 1,451,014 Est. Cost Unrealized
BCRX BIOCRYST PHARMACEUTICALS INC 1.6%
Value $151M Shares 15,096,403 Est. Cost Unrealized
NAMS NEWAMSTERDAM PHARMA COMPANY 1.5%
Value $145M Shares 4,264,789 Est. Cost Unrealized
ACHC ACADIA HEALTHCARE COMPANY IN 1.4%
Value $133M Shares 4,520,000 Est. Cost Unrealized
TNGX TANGO THERAPEUTICS INC 1.4%
Value $131M Shares 4,190,611 Est. Cost Unrealized
AHCO ADAPTHEALTH CORP 1.2%
Value $120M Shares 11,477,730 Est. Cost Unrealized
PHVS PHARVARIS N V 1.2%
Value $117M Shares 3,376,042 Est. Cost Unrealized
CELCUITY INC 1.2%
Value $114M Shares 100,000,000 Est. Cost Unrealized
ARWR ARROWHEAD PHARMACEUTICALS IN 1.2%
Value $113M Shares 1,389,055 Est. Cost Unrealized
DNTH DIANTHUS THERAPEUTICS INC 1.1%
Value $110M Shares 1,125,313 Est. Cost Unrealized
LRMR LARIMAR THERAPEUTICS INC 1.1%
Value $109M Shares 35,606,974 Est. Cost Unrealized
MLYS MINERALYS THERAPEUTICS INC 1.1%
Value $107M Shares 3,958,000 Est. Cost Unrealized
ALIGNMENT HEALTHCARE INC 1.1%
Value $104M Shares 61,000,000 Est. Cost Unrealized
IDYA IDEAYA BIOSCIENCES INC 1.1%
Value $101M Shares 2,714,503 Est. Cost Unrealized
XENE XENON PHARMACEUTICALS INC 1.0%
Value $97.52M Shares 1,615,696 Est. Cost Unrealized
IONIS PHARMACEUTICALS INC 1.0%
Value $93.1M Shares 60,000,000 Est. Cost Unrealized
SVRA SAVARA INC 0.9%
Value $83.59M Shares 13,569,000 Est. Cost Unrealized
LNTH LANTHEUS HLDGS INC 0.9%
Value $83.54M Shares 752,999 Est. Cost Unrealized
SNDX SYNDAX PHARMACEUTICALS INC 0.9%
Value $82.63M Shares 3,779,900 Est. Cost Unrealized
ZENAS BIOPHARMA INC 0.8%
Value $80.32M Shares 67,200,000 Est. Cost Unrealized
BMRN BIOMARIN PHARMACEUTICAL INC 0.8%
Value $76.26M Shares 1,332,836 Est. Cost Unrealized
PFE PFIZER INC 0.8%
Value $73.2M Shares 3,040,000 Est. Cost Unrealized
INDV INDIVIOR PHARMACEUTICALS INC 0.7%
Value $67.65M Shares 1,648,895 Est. Cost Unrealized
BIO BIO RAD LABS INC 0.7%
Value $66.38M Shares 226,070 Est. Cost Unrealized
SPRY ARS PHARMACEUTICALS INC 0.6%
Value $60.11M Shares 7,503,812 Est. Cost Unrealized
STOK STOKE THERAPEUTICS INC 0.6%
Value $59.66M Shares 1,823,500 Est. Cost Unrealized
GPCR STRUCTURE THERAPEUTICS INC 0.6%
Value $58.29M Shares 1,086,000 Est. Cost Unrealized
NVST ENVISTA HOLDINGS CORPORATION 0.6%
Value $58.24M Shares 2,210,100 Est. Cost Unrealized
INSP INSPIRE MED SYS INC 0.6%
Value $57.85M Shares 1,296,862 Est. Cost Unrealized
CDNA CAREDX INC 0.6%
Value $56.93M Shares 1,997,618 Est. Cost Unrealized
BSX BOSTON SCIENTIFIC CORP 0.6%
Value $56.12M Shares 1,315,000 Est. Cost Unrealized
BLTE BELITE BIO INC 0.6%
Value $55M Shares 357,199 Est. Cost Unrealized
PBLS PARABILIS MEDICINES INC 0.5%
Value $51.47M Shares 1,880,704 Est. Cost Unrealized
CERT CERTARA INC 0.5%
Value $49.21M Shares 7,512,928 Est. Cost Unrealized
IRON DISC MEDICINE INC 0.5%
Value $48.05M Shares 657,000 Est. Cost Unrealized
LIVANOVA PLC 0.5%
Value $46.49M Shares 34,280,000 Est. Cost Unrealized
BBOT BRIDGEBIO ONCOLOGY THERAPEUT 0.4%
Value $37.23M Shares 4,885,446 Est. Cost Unrealized
TYRA TYRA BIOSCIENCES INC 0.3%
Value $32.48M Shares 1,017,000 Est. Cost Unrealized
MNPR MONOPAR THERAPEUTICS INC 0.3%
Value $29.98M Shares 323,745 Est. Cost Unrealized
SION SIONNA THERAPEUTICS INC 0.3%
Value $29.95M Shares 680,916 Est. Cost Unrealized
IMMUNOCORE HLDGS PLC 0.3%
Value $27.1M Shares 30,000,000 Est. Cost Unrealized
AVLN AVALYN PHARMACEUTICALS INC 0.3%
Value $24.06M Shares 731,000 Est. Cost Unrealized
FHTX FOGHORN THERAPEUTICS INC 0.2%
Value $21.44M Shares 4,394,367 Est. Cost Unrealized
BBNX BETA BIONICS INC 0.2%
Value $20.75M Shares 1,324,000 Est. Cost Unrealized
ALNY ALNYLAM PHARMACEUTICALS INC 0.2%
Value $20.45M Shares 67,935 Est. Cost Unrealized
DRUG BRIGHT MINDS BIOSCIENCES INC 0.2%
Value $19.87M Shares 283,000 Est. Cost Unrealized
ODTX ODYSSEY THERAPEUTICS INC 0.2%
Value $19.57M Shares 1,046,139 Est. Cost Unrealized
TOI THE ONCOLOGY INSTITUTE INC 0.2%
Value $18.25M Shares 3,360,052 Est. Cost Unrealized
KYTX KYVERNA THERAPEUTICS INC 0.2%
Value $17.82M Shares 2,000,000 Est. Cost Unrealized
ALMR ALAMAR BIOSCIENCES INC 0.2%
Value $16.25M Shares 600,000 Est. Cost Unrealized
CHE CHEMED CORP NEW 0.1%
Value $13.97M Shares 30,000 Est. Cost Unrealized
SGP SPYGLASS PHARMA INC 0.1%
Value $12.24M Shares 550,000 Est. Cost Unrealized
NEOGENOMICS INC 0.1%
Value $12.2M Shares 13,040,000 Est. Cost Unrealized
ADAG ADAGENE INC 0.1%
Value $11.2M Shares 2,666,666 Est. Cost Unrealized
COAG HEMAB THERAPEUTICS HLDGS INC 0.1%
Value $10.1M Shares 275,000 Est. Cost Unrealized
MOBI MOBIA MED INC 0.1%
Value $8.988M Shares 670,752 Est. Cost Unrealized
EMBC EMBECTA CORP 0.1%
Value $8.264M Shares 2,534,961 Est. Cost Unrealized
VCYT VERACYTE INC 0.1%
Value $5.932M Shares 101,000 Est. Cost Unrealized
ANNX ANNEXON INC 0.0%
Value $3.334M Shares 583,913 Est. Cost Unrealized
ALEC ALECTOR INC 0.0%
Value $2.121M Shares 1,055,192 Est. Cost Unrealized
NAMSW NEWAMSTERDAM PHARMA COMPANY 0.0%
Value $1.983M Shares 92,787 Est. Cost Unrealized
EW EDWARDS LIFESCIENCES CORP 0.0%
Value $1.239M Shares 13,702 Est. Cost Unrealized
MIRM MIRUM PHARMACEUTICALS INC 0.0%
Value $706K Shares 6,027 Est. Cost Unrealized
HUM HUMANA INC 0.0%
Value $364K Shares 917 Est. Cost Unrealized
TOIIW THE ONCOLOGY INSTITUTE INC 0.0%
Value $51,000 Shares 1,250,000 Est. Cost Unrealized
PMVP PMV PHARMACEUTICALS INC 0.0%
Value $11,779 Shares 8,790 Est. Cost Unrealized
SRZNW SURROZEN INC 0.0%
Value $2,750 Shares 166,666 Est. Cost Unrealized