DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

Location: New York, NY

CIK: 0001009258 · Show all filings

Period: Q1 2018 (← Previous) (Next →)

Filing Date: May 15, 2018

Total Value: $2.886B (83.2% shares, 16.8% debt)

Holdings (118)

MALLINCKRODT PUB LTD CO 4.3%
Value $125M Shares 8,621,383 Est. Cost Unrealized
MYLAN N V 3.6%
Value $105M Shares 2,548,111 Est. Cost Unrealized
HOMOLOGY MEDICINES INC 3.4%
Value $97.75M Shares 5,227,035 Est. Cost Unrealized
HORIZON PHARMA PLC 3.3%
Value $93.86M Shares 6,609,894 Est. Cost Unrealized
AVEXIS INC 3.2%
Value $93.4M Shares 755,798 Est. Cost Unrealized
HORIZON PHARMA INVT LTD 3.2%
Value $91.06M Shares 99,100,000 Est. Cost Unrealized
ANAB ANAPTYSBIO INC 2.9%
Value $82.67M Shares 794,338 Est. Cost Unrealized
DBV TECHNOLOGIES S A 2.3%
Value $66.9M Shares 2,900,000 Est. Cost Unrealized
CNC CENTENE CORP DEL 2.2%
Value $62.84M Shares 588,000 Est. Cost Unrealized
KEMPHARM INC 2.0%
Value $57.25M Shares 75,000,000 Est. Cost Unrealized
MYOKARDIA INC 1.8%
Value $52.15M Shares 1,068,680 Est. Cost Unrealized
GKOS GLAUKOS CORP 1.8%
Value $50.66M Shares 1,643,031 Est. Cost Unrealized
DXCM DEXCOM INC 1.7%
Value $48.13M Shares 649,000 Est. Cost Unrealized
ACRS ACLARIS THERAPEUTICS INC 1.7%
Value $48.1M Shares 2,745,705 Est. Cost Unrealized
ISIS PHARMACEUTICALS INC DEL 1.6%
Value $45.28M Shares 45,700,000 Est. Cost Unrealized
LANNET INC 1.5%
Value $43.99M Shares 2,741,077 Est. Cost Unrealized
ELV ANTHEM INC 1.5%
Value $41.96M Shares 191,000 Est. Cost Unrealized
AUDENTES THERAPEUTICS INC 1.4%
Value $41.6M Shares 1,384,470 Est. Cost Unrealized
TRINITY BIOTECH INVT LTD 1.3%
Value $38.55M Shares 48,000,000 Est. Cost Unrealized
EDIT EDITAS MEDICINE INC 1.3%
Value $38.42M Shares 1,158,841 Est. Cost Unrealized
WRIGHT MED GROUP N V 1.2%
Value $35.76M Shares 31,500,000 Est. Cost Unrealized
CVS CVS HEALTH CORP 1.2%
Value $35.26M Shares 566,800 Est. Cost Unrealized
BCRX BIOCRYST PHARMACEUTICALS 1.2%
Value $35.14M Shares 7,366,460 Est. Cost Unrealized
ENDOLOGIX INC 1.2%
Value $34.9M Shares 40,500,000 Est. Cost Unrealized
BLUEPRINT MEDICINES CORP 1.2%
Value $34.75M Shares 378,950 Est. Cost Unrealized
CVS CVS HEALTH CORP 1.2%
Value $34.22M Shares 550,000 Est. Cost Unrealized
INTERSECT ENT INC 1.1%
Value $32.72M Shares 832,500 Est. Cost Unrealized
DVA DAVITA INC 1.1%
Value $32.08M Shares 486,427 Est. Cost Unrealized
SEM SELECT MED HLDGS CORP 1.1%
Value $32.05M Shares 1,858,000 Est. Cost Unrealized
GLAXOSMITHKLINE PLC 1.1%
Value $31.65M Shares 810,000 Est. Cost Unrealized
ASND ASCENDIS PHARMA A S 1.1%
Value $31.55M Shares 482,467 Est. Cost Unrealized
NEVRO CORP 1.1%
Value $31.27M Shares 27,600,000 Est. Cost Unrealized
UHS UNIVERSAL HLTH SVCS INC 1.1%
Value $31.02M Shares 262,000 Est. Cost Unrealized
AGIO AGIOS PHARMACEUTICALS INC 1.0%
Value $29.93M Shares 366,000 Est. Cost Unrealized
NTRA NATERA INC 1.0%
Value $29.48M Shares 3,180,000 Est. Cost Unrealized
ACHC ACADIA HEALTHCARE COMPANY IN 1.0%
Value $29.03M Shares 741,016 Est. Cost Unrealized
INTERCEPT PHARMACEUTICALS IN 1.0%
Value $28.6M Shares 36,000,000 Est. Cost Unrealized
AETNA INC NEW 1.0%
Value $27.89M Shares 165,000 Est. Cost Unrealized
AVADEL PHARMACEUTICALS PLC 1.0%
Value $27.62M Shares 3,788,540 Est. Cost Unrealized
ARENA PHARMACEUTICALS INC 1.0%
Value $27.54M Shares 697,194 Est. Cost Unrealized
XNCR XENCOR INC 0.9%
Value $26.46M Shares 882,462 Est. Cost Unrealized
AERIE PHARMACEUTICALS INC 0.9%
Value $26.26M Shares 484,055 Est. Cost Unrealized
ARGX ARGENX SE 0.9%
Value $25.73M Shares 319,920 Est. Cost Unrealized
GW PHARMACEUTICALS PLC 0.9%
Value $25.4M Shares 225,452 Est. Cost Unrealized
DFB HEALTHCARE ACQUISTION CO 0.9%
Value $25.13M Shares 2,500,000 Est. Cost Unrealized
ACCELERON PHARMA INC 0.8%
Value $24.05M Shares 615,000 Est. Cost Unrealized
ENDOCYTE INC 0.8%
Value $23.88M Shares 2,627,540 Est. Cost Unrealized
K2M GROUP HLDGS INC 0.8%
Value $23.44M Shares 20,000,000 Est. Cost Unrealized
WALGREENS BOOTS ALLIANCE INC 0.8%
Value $23.31M Shares 356,000 Est. Cost Unrealized
MELINTA THERAPEUTICS INC 0.8%
Value $23.15M Shares 3,127,846 Est. Cost Unrealized
AIMMUNE THERAPEUTICS INC 0.8%
Value $22.61M Shares 710,210 Est. Cost Unrealized
BIOHAVEN PHARMACTL HLDG CO L 0.8%
Value $22.39M Shares 869,000 Est. Cost Unrealized
DEPOMED INC 0.8%
Value $22.01M Shares 27,019,000 Est. Cost Unrealized
CTMX CYTOMX THERAPEUTICS INC 0.7%
Value $21.43M Shares 753,322 Est. Cost Unrealized
CATALYST BIOSCIENCES INC 0.7%
Value $21.43M Shares 830,605 Est. Cost Unrealized
AAC HLDGS INC 0.7%
Value $21.28M Shares 1,853,998 Est. Cost Unrealized
RADIUS HEALTH INC 0.7%
Value $21.13M Shares 21,000,000 Est. Cost Unrealized
MCK MCKESSON CORP 0.7%
Value $21.13M Shares 150,000 Est. Cost Unrealized
OXFORD IMMUNOTEC GLOBAL PLC 0.6%
Value $17.98M Shares 1,444,000 Est. Cost Unrealized
ALNY ALNYLAM PHARMACEUTICALS INC 0.6%
Value $17.39M Shares 146,000 Est. Cost Unrealized
EPIZYME INC 0.6%
Value $17.06M Shares 960,970 Est. Cost Unrealized
SYROS PHARMACEUTICALS INC 0.6%
Value $16.47M Shares 1,268,945 Est. Cost Unrealized
PORTOLA PHARMACEUTICALS INC 0.6%
Value $16.33M Shares 500,000 Est. Cost Unrealized
PORTOLA PHARMACEUTICALS INC 0.6%
Value $16.33M Shares 500,000 Est. Cost Unrealized
MENLO THERAPEUTICS INC 0.6%
Value $16.04M Shares 426,749 Est. Cost Unrealized
CYMABAY THERAPEUTICS INC 0.5%
Value $15.76M Shares 1,213,181 Est. Cost Unrealized
PODD INSULET CORP 0.5%
Value $14.82M Shares 171,000 Est. Cost Unrealized
EHTH EHEALTH INC 0.5%
Value $14.75M Shares 1,030,802 Est. Cost Unrealized
G1 THERAPEUTICS INC 0.5%
Value $13.82M Shares 373,000 Est. Cost Unrealized
MOH MOLINA HEALTHCARE INC 0.5%
Value $13.64M Shares 168,000 Est. Cost Unrealized
IMMUNOMEDICS INC 0.5%
Value $13.59M Shares 930,448 Est. Cost Unrealized
ZBH ZIMMER BIOMET HLDGS INC 0.5%
Value $13.19M Shares 121,000 Est. Cost Unrealized
AEGERION PHARMACEUTICALS INC 0.5%
Value $13.19M Shares 16,600,000 Est. Cost Unrealized
ARDX ARDELYX INC 0.5%
Value $13.14M Shares 2,602,733 Est. Cost Unrealized
GLPG GALAPAGOS NV 0.4%
Value $12.97M Shares 130,000 Est. Cost Unrealized
SYNLOGIC INC 0.4%
Value $12.8M Shares 1,365,143 Est. Cost Unrealized
WRIGHT MED GROUP N V 0.4%
Value $12.58M Shares 634,000 Est. Cost Unrealized
RYTM RHYTHM PHARMACEUTICALS INC 0.4%
Value $11.58M Shares 582,010 Est. Cost Unrealized
RECRO PHARMA INC 0.4%
Value $11.12M Shares 1,010,000 Est. Cost Unrealized
EXACT SCIENCES CORP 0.4%
Value $11.08M Shares 12,500,000 Est. Cost Unrealized
NUVASIVE INC 0.4%
Value $11M Shares 10,000,000 Est. Cost Unrealized
WVE WAVE LIFE SCIENCES LTD 0.4%
Value $10.75M Shares 268,174 Est. Cost Unrealized
IGI LABORATORIES INC 0.4%
Value $10.75M Shares 11,600,000 Est. Cost Unrealized
PFENEX INC 0.3%
Value $9.957M Shares 1,659,501 Est. Cost Unrealized
ALLSCRIPTS HEALTHCARE SOLUTN 0.3%
Value $9.708M Shares 9,671,000 Est. Cost Unrealized
INVUITY INC 0.3%
Value $8.997M Shares 2,336,889 Est. Cost Unrealized
INVITAE CORP 0.3%
Value $8.919M Shares 1,901,788 Est. Cost Unrealized
REATA PHARMACEUTICALS INC 0.3%
Value $7.999M Shares 390,000 Est. Cost Unrealized
BIOSCRIP INC 0.3%
Value $7.685M Shares 3,124,000 Est. Cost Unrealized
RGNX REGENXBIO INC 0.3%
Value $7.651M Shares 256,300 Est. Cost Unrealized
RCKT ROCKET PHARMACEUTICALS INC 0.3%
Value $7.5M Shares 400,000 Est. Cost Unrealized
ALPINE IMMUNE SCIENCES INC 0.3%
Value $7.305M Shares 913,100 Est. Cost Unrealized
NEOS THERAPEUTICS INC 0.2%
Value $7.179M Shares 864,906 Est. Cost Unrealized
ARMO BIOSCIENCES INC 0.2%
Value $7.053M Shares 188,525 Est. Cost Unrealized
BLUEBIRD BIO INC 0.2%
Value $7.001M Shares 41,000 Est. Cost Unrealized
ALIMERA SCIENCES INC 0.2%
Value $6.235M Shares 6,052,935 Est. Cost Unrealized
MIRATI THERAPEUTICS INC 0.2%
Value $6.048M Shares 197,000 Est. Cost Unrealized
STEADYMED LTD 0.2%
Value $4.611M Shares 1,418,787 Est. Cost Unrealized
ALBIREO PHARMA INC 0.1%
Value $3.908M Shares 120,000 Est. Cost Unrealized
SIERRA ONCOLOGY INC 0.1%
Value $3.653M Shares 1,764,889 Est. Cost Unrealized
FOAMIX PHARMACEUTICALS LTD 0.1%
Value $3.458M Shares 674,002 Est. Cost Unrealized
MNKD MANNKIND CORP 0.1%
Value $3.38M Shares 1,482,601 Est. Cost Unrealized
PROTEON THERAPEUTICS INC 0.1%
Value $3.062M Shares 1,224,899 Est. Cost Unrealized
TCMD TACTILE SYS TECHNOLOGY INC 0.1%
Value $2.894M Shares 91,020 Est. Cost Unrealized
EYENOVIA INC 0.1%
Value $2.745M Shares 300,000 Est. Cost Unrealized
IFRX INFLARX NV 0.1%
Value $2.552M Shares 88,500 Est. Cost Unrealized
ARALEZ PHARMACEUTICALS INC 0.1%
Value $2.467M Shares 1,644,583 Est. Cost Unrealized
TESARO INC 0.1%
Value $2.451M Shares 42,893 Est. Cost Unrealized
ADVERUM BIOTECHNOLOGIES INC 0.1%
Value $2.448M Shares 422,000 Est. Cost Unrealized
VYGR VOYAGER THERAPEUTICS INC 0.1%
Value $2.211M Shares 117,647 Est. Cost Unrealized
EGALET CORP 0.1%
Value $2.041M Shares 3,239,237 Est. Cost Unrealized
RA PHARMACEUTICALS INC 0.1%
Value $2.032M Shares 382,700 Est. Cost Unrealized
TELIGENT INC NEW 0.1%
Value $1.609M Shares 479,000 Est. Cost Unrealized
TNDM TANDEM DIABETES CARE INC 0.1%
Value $1.577M Shares 318,000 Est. Cost Unrealized
OBALON THERAPEUTICS INC 0.1%
Value $1.531M Shares 446,284 Est. Cost Unrealized
SCYNEXIS INC 0.0%
Value $1.367M Shares 1,020,000 Est. Cost Unrealized
SIENTRA INC 0.0%
Value $1.063M Shares 110,000 Est. Cost Unrealized
KIDS ORTHOPEDIATRICS CORP 0.0%
Value $877K Shares 58,247 Est. Cost Unrealized