DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

Location: New York, NY

CIK: 0001009258 · Show all filings

Period: Q3 2017 (← Previous) (Next →)

Filing Date: Nov 13, 2017

Total Value: $2.22B (82.4% shares, 17.6% debt)

Holdings (91)

AVEXIS INC 6.7%
Value $150M Shares 1,547,386 Est. Cost Unrealized
MCK MCKESSON CORP 5.0%
Value $112M Shares 729,000 Est. Cost Unrealized
MYLAN N V 4.5%
Value $98.93M Shares 3,153,611 Est. Cost Unrealized
HORIZON PHARMA PLC 4.0%
Value $87.71M Shares 6,917,070 Est. Cost Unrealized
GKOS GLAUKOS CORP 3.8%
Value $83.39M Shares 2,527,032 Est. Cost Unrealized
MALLINCKRODT PUB LTD CO 3.1%
Value $69.51M Shares 1,860,137 Est. Cost Unrealized
DXCM DEXCOM INC 3.1%
Value $69.47M Shares 1,419,911 Est. Cost Unrealized
HORIZON PHARMA INVT LTD 3.0%
Value $66.89M Shares 74,100,000 Est. Cost Unrealized
MYOKARDIA INC 2.6%
Value $58.49M Shares 1,365,039 Est. Cost Unrealized
ISIS PHARMACEUTICALS INC DEL 2.2%
Value $48.5M Shares 45,700,000 Est. Cost Unrealized
KEMPHARM INC 2.1%
Value $45.69M Shares 75,000,000 Est. Cost Unrealized
NXSTAGE MEDICAL INC 2.0%
Value $43.59M Shares 1,579,285 Est. Cost Unrealized
AUDENTES THERAPEUTICS INC 1.9%
Value $42.73M Shares 1,525,410 Est. Cost Unrealized
EDIT EDITAS MEDICINE INC 1.8%
Value $41.04M Shares 1,709,400 Est. Cost Unrealized
ACRS ACLARIS THERAPEUTICS INC 1.8%
Value $40.73M Shares 1,577,927 Est. Cost Unrealized
INTERCEPT PHARMACEUTICALS IN 1.8%
Value $39.67M Shares 51,000,000 Est. Cost Unrealized
AVADEL PHARMACEUTICALS PLC 1.7%
Value $38.38M Shares 3,655,494 Est. Cost Unrealized
TRINITY BIOTECH INVT LTD 1.7%
Value $38.19M Shares 48,000,000 Est. Cost Unrealized
INTERSECT ENT INC 1.7%
Value $37.69M Shares 1,210,000 Est. Cost Unrealized
GW PHARMACEUTICALS PLC 1.7%
Value $36.81M Shares 362,724 Est. Cost Unrealized
ENDOLOGIX INC 1.6%
Value $35.03M Shares 40,500,000 Est. Cost Unrealized
NEVRO CORP 1.5%
Value $32.76M Shares 27,600,000 Est. Cost Unrealized
ASND ASCENDIS PHARMA A S 1.4%
Value $30.81M Shares 850,000 Est. Cost Unrealized
AERIE PHARMACEUTICALS INC 1.4%
Value $30.75M Shares 632,686 Est. Cost Unrealized
ANAB ANAPTYSBIO INC 1.3%
Value $28.81M Shares 824,338 Est. Cost Unrealized
NTRA NATERA INC 1.3%
Value $28.12M Shares 2,181,542 Est. Cost Unrealized
DBV TECHNOLOGIES S A 1.3%
Value $27.84M Shares 655,897 Est. Cost Unrealized
PODD INSULET CORP 1.2%
Value $27.38M Shares 497,000 Est. Cost Unrealized
ARENA PHARMACEUTICALS INC 1.2%
Value $27.34M Shares 1,072,329 Est. Cost Unrealized
LANNET INC 1.2%
Value $26.81M Shares 1,453,259 Est. Cost Unrealized
BCRX BIOCRYST PHARMACEUTICALS 1.2%
Value $26.07M Shares 4,975,451 Est. Cost Unrealized
K2M GROUP HLDGS INC 1.1%
Value $24.5M Shares 20,000,000 Est. Cost Unrealized
ACCELERON PHARMA INC 1.0%
Value $22.95M Shares 615,000 Est. Cost Unrealized
SEM SELECT MED HLDGS CORP 1.0%
Value $22.94M Shares 1,194,609 Est. Cost Unrealized
PATTERSON COMPANIES INC 1.0%
Value $21.88M Shares 566,000 Est. Cost Unrealized
FLUIDIGM CORP DEL 0.9%
Value $20.26M Shares 27,715,000 Est. Cost Unrealized
SYROS PHARMACEUTICALS INC 0.8%
Value $18.68M Shares 1,268,945 Est. Cost Unrealized
MOH MOLINA HEALTHCARE INC 0.8%
Value $17.74M Shares 258,000 Est. Cost Unrealized
SELECTA BIOSCIENCES INC 0.8%
Value $17.37M Shares 951,629 Est. Cost Unrealized
AAC HLDGS INC 0.8%
Value $17.21M Shares 1,733,276 Est. Cost Unrealized
RECRO PHARMA INC 0.8%
Value $17.08M Shares 1,901,685 Est. Cost Unrealized
SYNLOGIC INC 0.7%
Value $16.16M Shares 850,143 Est. Cost Unrealized
PORTOLA PHARMACEUTICALS INC 0.7%
Value $16.13M Shares 298,545 Est. Cost Unrealized
EHTH EHEALTH INC 0.7%
Value $16.08M Shares 672,994 Est. Cost Unrealized
OXFORD IMMUNOTEC GLOBAL PLC 0.7%
Value $15.89M Shares 945,710 Est. Cost Unrealized
AMAG PHARMACEUTICALS INC 0.7%
Value $15.75M Shares 16,250,000 Est. Cost Unrealized
LOXO ONCOLOGY INC 0.7%
Value $15.57M Shares 169,000 Est. Cost Unrealized
ARDX ARDELYX INC 0.7%
Value $15.38M Shares 2,746,480 Est. Cost Unrealized
ADVANCED ACCELERATOR APPLIC 0.7%
Value $14.74M Shares 218,000 Est. Cost Unrealized
NEOS THERAPEUTICS INC 0.6%
Value $14.36M Shares 1,568,921 Est. Cost Unrealized
BLUEPRINT MEDICINES CORP 0.6%
Value $14.14M Shares 203,000 Est. Cost Unrealized
AGIO AGIOS PHARMACEUTICALS INC 0.6%
Value $13.88M Shares 208,000 Est. Cost Unrealized
CTMX CYTOMX THERAPEUTICS INC 0.6%
Value $13.75M Shares 756,822 Est. Cost Unrealized
AEGERION PHARMACEUTICALS INC 0.6%
Value $13.36M Shares 16,600,000 Est. Cost Unrealized
EPIZYME INC 0.6%
Value $13.35M Shares 700,526 Est. Cost Unrealized
GLPG GALAPAGOS NV 0.6%
Value $13.23M Shares 130,000 Est. Cost Unrealized
WVE WAVE LIFE SCIENCES LTD 0.6%
Value $12.62M Shares 580,000 Est. Cost Unrealized
XNCR XENCOR INC 0.5%
Value $11.96M Shares 522,000 Est. Cost Unrealized
ARGX ARGENX SE 0.5%
Value $11.51M Shares 509,022 Est. Cost Unrealized
ALPINE IMMUNE SCIENCES INC 0.5%
Value $10.82M Shares 933,100 Est. Cost Unrealized
INVUITY INC 0.5%
Value $10.48M Shares 1,177,229 Est. Cost Unrealized
ALLSCRIPTS HEALTHCARE SOLUTN 0.5%
Value $10.3M Shares 9,671,000 Est. Cost Unrealized
CNC CENTENE CORP DEL 0.4%
Value $9.871M Shares 102,000 Est. Cost Unrealized
SGMO SANGAMO THERAPEUTICS INC 0.4%
Value $9.795M Shares 653,000 Est. Cost Unrealized
INVITAE CORP 0.4%
Value $8.433M Shares 900,000 Est. Cost Unrealized
ALIMERA SCIENCES INC 0.4%
Value $8.171M Shares 6,052,935 Est. Cost Unrealized
IMMUNOMEDICS INC 0.4%
Value $8.136M Shares 582,000 Est. Cost Unrealized
MARINUS PHARMACEUTICALS INC 0.4%
Value $7.954M Shares 1,355,000 Est. Cost Unrealized
CLEMENTIA PHARMACEUTICALS IN 0.4%
Value $7.81M Shares 462,387 Est. Cost Unrealized
NUCANA PLC 0.4%
Value $7.806M Shares 424,950 Est. Cost Unrealized
AXOVANT SCIENCES LTD 0.3%
Value $7.238M Shares 1,052,000 Est. Cost Unrealized
AXGN AXOGEN INC 0.3%
Value $6.665M Shares 344,428 Est. Cost Unrealized
MCK MCKESSON CORP 0.3%
Value $6.636M Shares 43,200 Est. Cost Unrealized
MYOVANT SCIENCES LTD 0.3%
Value $6.199M Shares 400,685 Est. Cost Unrealized
DECIPHERA PHARMACEUTICALS IN 0.3%
Value $6.172M Shares 325,000 Est. Cost Unrealized
BIOHAVEN PHARMACTL HLDG CO L 0.3%
Value $6.168M Shares 165,000 Est. Cost Unrealized
REATA PHARMACEUTICALS INC 0.3%
Value $5.909M Shares 190,000 Est. Cost Unrealized
AGILE THERAPEUTICS INC 0.2%
Value $5.449M Shares 1,221,775 Est. Cost Unrealized
STEADYMED LTD 0.2%
Value $4.753M Shares 1,418,787 Est. Cost Unrealized
FOAMIX PHARMACEUTICALS LTD 0.2%
Value $4.537M Shares 817,435 Est. Cost Unrealized
SIERRA ONCOLOGY INC 0.2%
Value $4.34M Shares 2,800,000 Est. Cost Unrealized
SAGE THERAPEUTICS INC 0.2%
Value $4.236M Shares 68,000 Est. Cost Unrealized
ARALEZ PHARMACEUTICALS INC 0.2%
Value $3.766M Shares 1,644,583 Est. Cost Unrealized
OBALON THERAPEUTICS INC 0.2%
Value $3.348M Shares 351,284 Est. Cost Unrealized
BIOSCRIP INC 0.1%
Value $3.045M Shares 1,107,166 Est. Cost Unrealized
AKARI THERAPEUTICS PLC 0.1%
Value $2.662M Shares 433,551 Est. Cost Unrealized
PROTEON THERAPEUTICS INC 0.1%
Value $2.45M Shares 1,224,899 Est. Cost Unrealized
VYGR VOYAGER THERAPEUTICS INC 0.1%
Value $2.422M Shares 117,647 Est. Cost Unrealized
INTRA CELLULAR THERAPIES INC 0.1%
Value $1.864M Shares 118,116 Est. Cost Unrealized
MDXG MIMEDX GROUP INC 0.1%
Value $1.782M Shares 150,000 Est. Cost Unrealized
RA PHARMACEUTICALS INC 0.1%
Value $1.491M Shares 102,150 Est. Cost Unrealized