DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

Location: New York, NY

CIK: 0001009258 · Show all filings

Period: Q4 2025 (← Previous) (Next →)

Filing Date: Feb 17, 2026

Total Value: $7.83B (87.8% shares, 12.2% debt)

Holdings (150)

NUVL NUVALENT INC 22.2%
Value $1.735B Shares 17,248,450 Est. Cost Unrealized
BROOKDALE SR LIVING INC 5.5%
Value $427M Shares 306,885,000 Est. Cost Unrealized
COGT COGENT BIOSCIENCES INC 4.1%
Value $321M Shares 9,043,903 Est. Cost Unrealized
PRAX PRAXIS PRECISION MEDICINES I 3.4%
Value $266M Shares 903,351 Est. Cost Unrealized
CNC CENTENE CORP DEL 3.4%
Value $265M Shares 6,447,998 Est. Cost Unrealized
VTRS VIATRIS INC 3.2%
Value $252M Shares 20,206,170 Est. Cost Unrealized
RVMD REVOLUTION MEDICINES INC 2.9%
Value $231M Shares 2,894,613 Est. Cost Unrealized
UTHR UNITED THERAPEUTICS CORP DEL 2.7%
Value $208M Shares 425,993 Est. Cost Unrealized
VERA VERA THERAPEUTICS INC 2.6%
Value $206M Shares 4,059,695 Est. Cost Unrealized
MIRUM PHARMACEUTICALS INC 2.3%
Value $181M Shares 70,000,000 Est. Cost Unrealized
CELC CELCUITY INC 2.2%
Value $171M Shares 1,714,000 Est. Cost Unrealized
NBIX NEUROCRINE BIOSCIENCES INC 2.1%
Value $168M Shares 1,184,345 Est. Cost Unrealized
IONS IONIS PHARMACEUTICALS INC 2.0%
Value $157M Shares 1,979,669 Est. Cost Unrealized
NAMS NEWAMSTERDAM PHARMA COMPANY 1.9%
Value $146M Shares 4,164,789 Est. Cost Unrealized
INSP INSPIRE MED SYS INC 1.8%
Value $139M Shares 1,505,872 Est. Cost Unrealized
LEGN LEGEND BIOTECH CORP 1.6%
Value $129M Shares 5,932,000 Est. Cost Unrealized
BKD BROOKDALE SR LIVING INC 1.6%
Value $126M Shares 11,637,032 Est. Cost Unrealized
INDIVIOR PLC 1.6%
Value $122M Shares 3,393,063 Est. Cost Unrealized
ARWR ARROWHEAD PHARMACEUTICALS IN 1.6%
Value $122M Shares 1,832,946 Est. Cost Unrealized
LRMR LARIMAR THERAPEUTICS INC 1.5%
Value $117M Shares 30,606,974 Est. Cost Unrealized
CPRX CATALYST PHARMACEUTICALS INC 1.5%
Value $115M Shares 4,911,161 Est. Cost Unrealized
AHCO ADAPTHEALTH CORP 1.5%
Value $114M Shares 11,477,730 Est. Cost Unrealized
BCRX BIOCRYST PHARMACEUTICALS INC 1.4%
Value $112M Shares 14,341,000 Est. Cost Unrealized
IONIS PHARMACEUTICALS INC 1.2%
Value $95.33M Shares 60,000,000 Est. Cost Unrealized
ALIGNMENT HEALTHCARE INC 1.2%
Value $92.55M Shares 61,000,000 Est. Cost Unrealized
SPRY ARS PHARMACEUTICALS INC 1.1%
Value $87.42M Shares 7,503,812 Est. Cost Unrealized
PHVS PHARVARIS N V 1.1%
Value $86.75M Shares 3,126,042 Est. Cost Unrealized
SVRA SAVARA INC 1.0%
Value $81.82M Shares 13,569,000 Est. Cost Unrealized
IDYA IDEAYA BIOSCIENCES INC 1.0%
Value $74.43M Shares 2,153,043 Est. Cost Unrealized
CERT CERTARA INC 0.9%
Value $68.79M Shares 7,808,605 Est. Cost Unrealized
BIO BIO RAD LABS INC 0.9%
Value $68.5M Shares 226,070 Est. Cost Unrealized
NEOGENOMICS INC 0.8%
Value $64.69M Shares 72,689,000 Est. Cost Unrealized
ACHC ACADIA HEALTHCARE COMPANY IN 0.8%
Value $64.14M Shares 4,520,000 Est. Cost Unrealized
BBOT BRIDGEBIO ONCOLOGY THERAPEUT 0.8%
Value $61.17M Shares 4,885,446 Est. Cost Unrealized
STOK STOKE THERAPEUTICS INC 0.7%
Value $57.88M Shares 1,823,500 Est. Cost Unrealized
LNTH LANTHEUS HLDGS INC 0.7%
Value $55.1M Shares 827,999 Est. Cost Unrealized
GPCR STRUCTURE THERAPEUTICS INC 0.7%
Value $53.41M Shares 767,993 Est. Cost Unrealized
NVST ENVISTA HOLDINGS CORPORATION 0.6%
Value $49.51M Shares 2,280,498 Est. Cost Unrealized
EHAB ENHABIT INC 0.6%
Value $43.77M Shares 4,747,746 Est. Cost Unrealized
KYMR KYMERA THERAPEUTICS INC 0.6%
Value $43.66M Shares 561,170 Est. Cost Unrealized
CDNA CAREDX INC 0.5%
Value $41.28M Shares 2,191,000 Est. Cost Unrealized
IRON DISC MEDICINE INC 0.5%
Value $40.59M Shares 511,163 Est. Cost Unrealized
SION SIONNA THERAPEUTICS INC 0.5%
Value $39.93M Shares 970,590 Est. Cost Unrealized
LIVANOVA PLC 0.5%
Value $39.73M Shares 34,280,000 Est. Cost Unrealized
BLTE BELITE BIO INC 0.5%
Value $37.4M Shares 233,813 Est. Cost Unrealized
DAWN DAY ONE BIOPHARMACEUTICALS I 0.4%
Value $34.7M Shares 3,723,131 Est. Cost Unrealized
PHR PHREESIA INC 0.4%
Value $33.82M Shares 1,999,045 Est. Cost Unrealized
EMBC EMBECTA CORP 0.4%
Value $32.69M Shares 2,752,031 Est. Cost Unrealized
VCYT VERACYTE INC 0.4%
Value $30.56M Shares 726,000 Est. Cost Unrealized
MRNA MODERNA INC 0.4%
Value $29.49M Shares 1,000,000 Est. Cost Unrealized
LANTHEUS HLDGS INC 0.4%
Value $28.91M Shares 25,255,000 Est. Cost Unrealized
BBNX BETA BIONICS INC 0.4%
Value $28.59M Shares 938,308 Est. Cost Unrealized
VTR VENTAS INC 0.3%
Value $27.39M Shares 354,000 Est. Cost Unrealized
IMMUNOCORE HLDGS PLC 0.3%
Value $27.08M Shares 30,000,000 Est. Cost Unrealized
ALNY ALNYLAM PHARMACEUTICALS INC 0.3%
Value $27.01M Shares 67,935 Est. Cost Unrealized
TNGX TANGO THERAPEUTICS INC 0.3%
Value $25.76M Shares 2,906,946 Est. Cost Unrealized
XENE XENON PHARMACEUTICALS INC 0.3%
Value $24.29M Shares 542,020 Est. Cost Unrealized
SYRE SPYRE THERAPEUTICS INC 0.3%
Value $23.28M Shares 710,626 Est. Cost Unrealized
FHTX FOGHORN THERAPEUTICS INC 0.3%
Value $19.71M Shares 3,649,211 Est. Cost Unrealized
CMPX COMPASS THERAPEUTICS INC 0.2%
Value $19.36M Shares 3,606,000 Est. Cost Unrealized
EWTX EDGEWISE THERAPEUTICS INC 0.2%
Value $19M Shares 765,694 Est. Cost Unrealized
KYTX KYVERNA THERAPEUTICS INC 0.2%
Value $18.8M Shares 2,000,000 Est. Cost Unrealized
TSHA TAYSHA GENE THERAPIES INC 0.2%
Value $14.97M Shares 2,722,165 Est. Cost Unrealized
CRMD CORMEDIX INC 0.2%
Value $12.89M Shares 1,107,944 Est. Cost Unrealized
TOI THE ONCOLOGY INSTITUTE INC 0.2%
Value $11.96M Shares 3,360,052 Est. Cost Unrealized
MNPR MONOPAR THERAPEUTICS INC 0.1%
Value $11.14M Shares 170,558 Est. Cost Unrealized
MDLN MEDLINE INC 0.1%
Value $10.92M Shares 260,000 Est. Cost Unrealized
OMDA OMADA HEALTH INC 0.1%
Value $8.728M Shares 553,107 Est. Cost Unrealized
CALC CALCIMEDICA INC 0.1%
Value $8.567M Shares 1,300,000 Est. Cost Unrealized
PBH PRESTIGE CONSMR HEALTHCARE I 0.1%
Value $4.298M Shares 69,669 Est. Cost Unrealized
CGEM CULLINAN THERAPEUTICS INC 0.1%
Value $3.997M Shares 386,169 Est. Cost Unrealized
VEEV VEEVA SYS INC 0.1%
Value $3.954M Shares 17,711 Est. Cost Unrealized
RDNT RADNET INC 0.0%
Value $3.564M Shares 49,951 Est. Cost Unrealized
LH LABCORP HOLDINGS INC 0.0%
Value $3.468M Shares 13,825 Est. Cost Unrealized
ENOV ENOVIS CORPORATION 0.0%
Value $3.39M Shares 127,270 Est. Cost Unrealized
ALHC ALIGNMENT HEALTHCARE INC 0.0%
Value $3.246M Shares 164,345 Est. Cost Unrealized
DGX QUEST DIAGNOSTICS INC 0.0%
Value $3.192M Shares 18,392 Est. Cost Unrealized
TMDX TRANSMEDICS GROUP INC 0.0%
Value $3.101M Shares 25,492 Est. Cost Unrealized
PODD INSULET CORP 0.0%
Value $3.017M Shares 10,616 Est. Cost Unrealized
ANNX ANNEXON INC 0.0%
Value $2.931M Shares 583,913 Est. Cost Unrealized
BLFS BIOLIFE SOLUTIONS INC 0.0%
Value $2.907M Shares 120,211 Est. Cost Unrealized
CHE CHEMED CORP NEW 0.0%
Value $2.659M Shares 6,215 Est. Cost Unrealized
WOOF PETCO HEALTH & WELLNESS CO I 0.0%
Value $2.631M Shares 936,309 Est. Cost Unrealized
KIDS ORTHOPEDIATRICS CORP 0.0%
Value $2.561M Shares 144,220 Est. Cost Unrealized
CI THE CIGNA GROUP 0.0%
Value $2.533M Shares 9,203 Est. Cost Unrealized
TRUP TRUPANION INC 0.0%
Value $2.483M Shares 66,438 Est. Cost Unrealized
RMD RESMED INC 0.0%
Value $2.434M Shares 10,104 Est. Cost Unrealized
BSX BOSTON SCIENTIFIC CORP 0.0%
Value $2.378M Shares 24,941 Est. Cost Unrealized
DVA DAVITA INC 0.0%
Value $2.375M Shares 20,909 Est. Cost Unrealized
DOCS DOXIMITY INC 0.0%
Value $2.3M Shares 51,942 Est. Cost Unrealized
DXCM DEXCOM INC 0.0%
Value $2.186M Shares 32,943 Est. Cost Unrealized
IRTC IRHYTHM TECHNOLOGIES INC 0.0%
Value $2.147M Shares 12,099 Est. Cost Unrealized
NAMSW NEWAMSTERDAM PHARMA COMPANY 0.0%
Value $2.134M Shares 92,787 Est. Cost Unrealized
CNMD CONMED CORP 0.0%
Value $2.134M Shares 52,555 Est. Cost Unrealized
MASI MASIMO CORP 0.0%
Value $2.1M Shares 16,147 Est. Cost Unrealized
LMAT LEMAITRE VASCULAR INC 0.0%
Value $2.094M Shares 25,815 Est. Cost Unrealized
TXG 10X GENOMICS INC 0.0%
Value $2.064M Shares 126,574 Est. Cost Unrealized
ATRC ATRICURE INC 0.0%
Value $2.06M Shares 52,076 Est. Cost Unrealized
AVNS AVANOS MED INC 0.0%
Value $1.876M Shares 167,061 Est. Cost Unrealized
CRVL CORVEL CORP 0.0%
Value $1.87M Shares 27,629 Est. Cost Unrealized
CAH CARDINAL HEALTH INC 0.0%
Value $1.846M Shares 8,985 Est. Cost Unrealized
GDRX GOODRX HLDGS INC 0.0%
Value $1.789M Shares 660,133 Est. Cost Unrealized
SGRY SURGERY PARTNERS INC 0.0%
Value $1.74M Shares 112,623 Est. Cost Unrealized
ALGN ALIGN TECHNOLOGY INC 0.0%
Value $1.718M Shares 11,000 Est. Cost Unrealized
ADUS ADDUS HOMECARE CORP 0.0%
Value $1.704M Shares 15,871 Est. Cost Unrealized
MMSI MERIT MED SYS INC 0.0%
Value $1.657M Shares 18,798 Est. Cost Unrealized
NHC NATIONAL HEALTHCARE CORP 0.0%
Value $1.657M Shares 12,085 Est. Cost Unrealized
ALEC ALECTOR INC 0.0%
Value $1.646M Shares 1,055,192 Est. Cost Unrealized
EHC ENCOMPASS HEALTH CORP 0.0%
Value $1.62M Shares 15,259 Est. Cost Unrealized
VREX VAREX IMAGING CORP 0.0%
Value $1.535M Shares 131,745 Est. Cost Unrealized
HQY HEALTHEQUITY INC 0.0%
Value $1.487M Shares 16,231 Est. Cost Unrealized
ABT ABBOTT LABS 0.0%
Value $1.434M Shares 11,449 Est. Cost Unrealized
MMS MAXIMUS INC 0.0%
Value $1.433M Shares 16,606 Est. Cost Unrealized
SYK STRYKER CORPORATION 0.0%
Value $1.248M Shares 3,551 Est. Cost Unrealized
ATEC ALPHATEC HLDGS INC 0.0%
Value $1.205M Shares 57,277 Est. Cost Unrealized
STAA STAAR SURGICAL CO 0.0%
Value $1.198M Shares 51,894 Est. Cost Unrealized
EW EDWARDS LIFESCIENCES CORP 0.0%
Value $1.168M Shares 13,702 Est. Cost Unrealized
UFPT UFP TECHNOLOGIES INC 0.0%
Value $1.132M Shares 5,098 Est. Cost Unrealized
KVUE KENVUE INC 0.0%
Value $1.127M Shares 65,344 Est. Cost Unrealized
MDXG MIMEDX GROUP INC 0.0%
Value $1.086M Shares 160,419 Est. Cost Unrealized
ITGR INTEGER HLDGS CORP 0.0%
Value $1.045M Shares 13,326 Est. Cost Unrealized
RVTY REVVITY INC 0.0%
Value $999K Shares 10,323 Est. Cost Unrealized
AZTA AZENTA INC 0.0%
Value $859K Shares 25,835 Est. Cost Unrealized
ARVN ARVINAS INC 0.0%
Value $807K Shares 68,057 Est. Cost Unrealized
ZTS ZOETIS INC 0.0%
Value $717K Shares 5,698 Est. Cost Unrealized
COO COOPER COS INC 0.0%
Value $638K Shares 7,786 Est. Cost Unrealized
SDGR SCHRODINGER INC 0.0%
Value $608K Shares 33,987 Est. Cost Unrealized
TNDM TANDEM DIABETES CARE INC 0.0%
Value $573K Shares 26,090 Est. Cost Unrealized
RXST RXSIGHT INC 0.0%
Value $545K Shares 52,257 Est. Cost Unrealized
IART INTEGRA LIFESCIENCES HLDGS C 0.0%
Value $487K Shares 39,209 Est. Cost Unrealized
ABBV ABBVIE INC 0.0%
Value $460K Shares 2,014 Est. Cost Unrealized
HROW HARROW INC 0.0%
Value $426K Shares 8,693 Est. Cost Unrealized
XERS XERIS BIOPHARMA HOLDINGS INC 0.0%
Value $410K Shares 52,230 Est. Cost Unrealized
HCSG HEALTHCARE SVCS GROUP INC 0.0%
Value $406K Shares 21,259 Est. Cost Unrealized
AMPH AMPHASTAR PHARMACEUTICALS IN 0.0%
Value $398K Shares 14,852 Est. Cost Unrealized
RGEN REPLIGEN CORP 0.0%
Value $360K Shares 2,199 Est. Cost Unrealized
STE STERIS PLC 0.0%
Value $343K Shares 1,352 Est. Cost Unrealized
BRBR BELLRING BRANDS INC 0.0%
Value $321K Shares 11,996 Est. Cost Unrealized
ISRG INTUITIVE SURGICAL INC 0.0%
Value $274K Shares 483 Est. Cost Unrealized
EYE NATIONAL VISION HLDGS INC 0.0%
Value $266K Shares 10,284 Est. Cost Unrealized
PHGE BIOMX INC 0.0%
Value $245K Shares 131,270 Est. Cost Unrealized
HUM HUMANA INC 0.0%
Value $235K Shares 917 Est. Cost Unrealized
ABEO ABEONA THERAPEUTICS INC 0.0%
Value $211K Shares 40,000 Est. Cost Unrealized
TOIIW THE ONCOLOGY INSTITUTE INC 0.0%
Value $151K Shares 1,250,000 Est. Cost Unrealized
QSIAW QUANTUM SI INC 0.0%
Value $66,833 Shares 333,333 Est. Cost Unrealized
NUVATION BIO INC 0.0%
Value $55,000 Shares 166,666 Est. Cost Unrealized
BFLYW BUTTERFLY NETWORK INC 0.0%
Value $12,907 Shares 733,333 Est. Cost Unrealized
PMVP PMV PHARMACEUTICALS INC 0.0%
Value $10,988 Shares 8,790 Est. Cost Unrealized
SRZNW SURROZEN INC 0.0%
Value $3,333 Shares 166,666 Est. Cost Unrealized
MYGN MYRIAD GENETICS INC 0.0%
Value $3,106 Shares 505 Est. Cost Unrealized