DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

CIK: 0001009258 · Show all filings

Period: Q1 2018 (← Previous) (Next →)

Filing Date: May 15, 2018

Total Value ($000): $2,886,303 (83.2% shares, 16.8% debt)

Holdings (118)

MALLINCKRODT PUB LTD CO 4.3%
Value ($000) $124,838 Shares 8,621,383 Est. Cost $24.32 Unrealized
MYLAN N V 3.6%
Value ($000) $104,906 Shares 2,548,111 Est. Cost $38.81 Unrealized
HOMOLOGY MEDICINES INC 3.4%
Value ($000) $97,746 Shares 5,227,035 Est. Cost $18.70 Unrealized
HORIZON PHARMA PLC 3.3%
Value ($000) $93,860 Shares 6,609,894 Est. Cost $15.89 Unrealized
AVEXIS INC 3.2%
Value ($000) $93,402 Shares 755,798 Est. Cost $28.94 Unrealized
HORIZON PHARMA INVT LTD 3.2%
Value ($000) $91,055 Shares 99,100,000 Est. Cost $0.87 Unrealized
ANAB ANAPTYSBIO INC 2.9%
Value ($000) $82,675 Shares 794,338 Est. Cost $24.52 Unrealized +359.6%
DBV TECHNOLOGIES S A 2.3%
Value ($000) $66,903 Shares 2,900,000 Est. Cost $25.99 Unrealized
CNC CENTENE CORP DEL 2.2%
Value ($000) $62,840 Shares 588,000 Est. Cost $52.13 Unrealized 0.0%
KEMPHARM INC 2.0%
Value ($000) $57,250 Shares 75,000,000 Est. Cost $0.61 Unrealized
MYOKARDIA INC 1.8%
Value ($000) $52,152 Shares 1,068,680 Est. Cost $37.90 Unrealized
GKOS GLAUKOS CORP 1.8%
Value ($000) $50,655 Shares 1,643,031 Est. Cost $36.26 Unrealized -16.5%
DXCM DEXCOM INC 1.7%
Value ($000) $48,130 Shares 649,000 Est. Cost $17.53 Unrealized -15.7%
ACRS ACLARIS THERAPEUTICS INC 1.7%
Value ($000) $48,105 Shares 2,745,705 Est. Cost $24.81 Unrealized -14.6%
ISIS PHARMACEUTICALS INC DEL 1.6%
Value ($000) $45,283 Shares 45,700,000 Est. Cost $1.00 Unrealized
LANNET INC 1.5%
Value ($000) $43,994 Shares 2,741,077 Est. Cost $22.58 Unrealized
ELV ANTHEM INC 1.5%
Value ($000) $41,963 Shares 191,000 Est. Cost $197.93 Unrealized +7.0%
AUDENTES THERAPEUTICS INC 1.4%
Value ($000) $41,603 Shares 1,384,470 Est. Cost $19.74 Unrealized
TRINITY BIOTECH INVT LTD 1.3%
Value ($000) $38,550 Shares 48,000,000 Est. Cost $0.92 Unrealized
EDIT EDITAS MEDICINE INC 1.3%
Value ($000) $38,416 Shares 1,158,841 Est. Cost $26.29 Unrealized +35.6%
WRIGHT MED GROUP N V 1.2%
Value ($000) $35,763 Shares 31,500,000 Est. Cost $1.14 Unrealized
CVS CVS HEALTH CORP 1.2%
Value ($000) $35,261 Shares 566,800 Est. Cost $55.85 Unrealized 0.0%
BCRX BIOCRYST PHARMACEUTICALS 1.2%
Value ($000) $35,138 Shares 7,366,460 Est. Cost $4.62 Unrealized +11.2%
ENDOLOGIX INC 1.2%
Value ($000) $34,899 Shares 40,500,000 Est. Cost $0.87 Unrealized
BLUEPRINT MEDICINES CORP 1.2%
Value ($000) $34,750 Shares 378,950 Est. Cost $51.23 Unrealized
CVS CVS HEALTH CORP 1.2%
Value ($000) $34,216 Shares 550,000 Est. Cost $55.85 Unrealized 0.0%
INTERSECT ENT INC 1.1%
Value ($000) $32,717 Shares 832,500 Est. Cost $28.78 Unrealized
DVA DAVITA INC 1.1%
Value ($000) $32,075 Shares 486,427 Est. Cost $63.05 Unrealized +16.5%
SEM SELECT MED HLDGS CORP 1.1%
Value ($000) $32,051 Shares 1,858,000 Est. Cost $8.18 Unrealized +7.2%
GLAXOSMITHKLINE PLC 1.1%
Value ($000) $31,647 Shares 810,000 Est. Cost $39.07 Unrealized
ASND ASCENDIS PHARMA A S 1.1%
Value ($000) $31,553 Shares 482,467 Est. Cost $28.35 Unrealized
NEVRO CORP 1.1%
Value ($000) $31,273 Shares 27,600,000 Est. Cost $1.07 Unrealized
UHS UNIVERSAL HLTH SVCS INC 1.1%
Value ($000) $31,023 Shares 262,000 Est. Cost $108.83 Unrealized +5.4%
AGIO AGIOS PHARMACEUTICALS INC 1.0%
Value ($000) $29,931 Shares 366,000 Est. Cost $65.34 Unrealized +18.3%
NTRA NATERA INC 1.0%
Value ($000) $29,479 Shares 3,180,000 Est. Cost $10.92 Unrealized -10.2%
ACHC ACADIA HEALTHCARE COMPANY IN 1.0%
Value ($000) $29,033 Shares 741,016 Est. Cost $34.65 Unrealized +5.8%
INTERCEPT PHARMACEUTICALS IN 1.0%
Value ($000) $28,596 Shares 36,000,000 Est. Cost $0.85 Unrealized
AETNA INC NEW 1.0%
Value ($000) $27,885 Shares 165,000 Est. Cost $169.00 Unrealized
AVADEL PHARMACEUTICALS PLC 1.0%
Value ($000) $27,618 Shares 3,788,540 Est. Cost $9.57 Unrealized
ARENA PHARMACEUTICALS INC 1.0%
Value ($000) $27,539 Shares 697,194 Est. Cost $25.64 Unrealized
XNCR XENCOR INC 0.9%
Value ($000) $26,456 Shares 882,462 Est. Cost $18.70 Unrealized +39.8%
AERIE PHARMACEUTICALS INC 0.9%
Value ($000) $26,260 Shares 484,055 Est. Cost $26.12 Unrealized
ARGX ARGENX SE 0.9%
Value ($000) $25,734 Shares 319,920 Est. Cost $21.21 Unrealized
GW PHARMACEUTICALS PLC 0.9%
Value ($000) $25,402 Shares 225,452 Est. Cost $85.11 Unrealized
DFB HEALTHCARE ACQUISTION CO 0.9%
Value ($000) $25,125 Shares 2,500,000 Est. Cost $10.05 Unrealized
ACCELERON PHARMA INC 0.8%
Value ($000) $24,047 Shares 615,000 Est. Cost $37.32 Unrealized
ENDOCYTE INC 0.8%
Value ($000) $23,884 Shares 2,627,540 Est. Cost $9.09 Unrealized
K2M GROUP HLDGS INC 0.8%
Value ($000) $23,444 Shares 20,000,000 Est. Cost $1.22 Unrealized
WALGREENS BOOTS ALLIANCE INC 0.8%
Value ($000) $23,307 Shares 356,000 Est. Cost $68.38 Unrealized
MELINTA THERAPEUTICS INC 0.8%
Value ($000) $23,146 Shares 3,127,846 Est. Cost $7.40 Unrealized
AIMMUNE THERAPEUTICS INC 0.8%
Value ($000) $22,606 Shares 710,210 Est. Cost $31.83 Unrealized
BIOHAVEN PHARMACTL HLDG CO L 0.8%
Value ($000) $22,385 Shares 869,000 Est. Cost $25.86 Unrealized
DEPOMED INC 0.8%
Value ($000) $22,006 Shares 27,019,000 Est. Cost $0.84 Unrealized
CTMX CYTOMX THERAPEUTICS INC 0.7%
Value ($000) $21,432 Shares 753,322 Est. Cost $15.82 Unrealized +80.4%
CATALYST BIOSCIENCES INC 0.7%
Value ($000) $21,430 Shares 830,605 Est. Cost $25.80 Unrealized
AAC HLDGS INC 0.7%
Value ($000) $21,284 Shares 1,853,998 Est. Cost $21.45 Unrealized
RADIUS HEALTH INC 0.7%
Value ($000) $21,134 Shares 21,000,000 Est. Cost $1.01 Unrealized
MCK MCKESSON CORP 0.7%
Value ($000) $21,131 Shares 150,000 Est. Cost $142.50 Unrealized +2.7%
OXFORD IMMUNOTEC GLOBAL PLC 0.6%
Value ($000) $17,978 Shares 1,444,000 Est. Cost $14.60 Unrealized
ALNY ALNYLAM PHARMACEUTICALS INC 0.6%
Value ($000) $17,389 Shares 146,000 Est. Cost $128.92 Unrealized 0.0%
EPIZYME INC 0.6%
Value ($000) $17,057 Shares 960,970 Est. Cost $12.28 Unrealized
SYROS PHARMACEUTICALS INC 0.6%
Value ($000) $16,471 Shares 1,268,945 Est. Cost $18.15 Unrealized
PORTOLA PHARMACEUTICALS INC 0.6%
Value ($000) $16,330 Shares 500,000 Est. Cost $23.81 Unrealized
PORTOLA PHARMACEUTICALS INC 0.6%
Value ($000) $16,330 Shares 500,000 Est. Cost $23.81 Unrealized
MENLO THERAPEUTICS INC 0.6%
Value ($000) $16,037 Shares 426,749 Est. Cost $37.58 Unrealized
CYMABAY THERAPEUTICS INC 0.5%
Value ($000) $15,759 Shares 1,213,181 Est. Cost $12.99 Unrealized
PODD INSULET CORP 0.5%
Value ($000) $14,822 Shares 171,000 Est. Cost $57.86 Unrealized +34.3%
EHTH EHEALTH INC 0.5%
Value ($000) $14,751 Shares 1,030,802 Est. Cost $26.35 Unrealized -37.5%
G1 THERAPEUTICS INC 0.5%
Value ($000) $13,820 Shares 373,000 Est. Cost $37.05 Unrealized
MOH MOLINA HEALTHCARE INC 0.5%
Value ($000) $13,638 Shares 168,000 Est. Cost $67.97 Unrealized +18.3%
IMMUNOMEDICS INC 0.5%
Value ($000) $13,594 Shares 930,448 Est. Cost $15.18 Unrealized
ZBH ZIMMER BIOMET HLDGS INC 0.5%
Value ($000) $13,194 Shares 121,000 Est. Cost $108.85 Unrealized 0.0%
AEGERION PHARMACEUTICALS INC 0.5%
Value ($000) $13,186 Shares 16,600,000 Est. Cost $0.81 Unrealized
ARDX ARDELYX INC 0.5%
Value ($000) $13,144 Shares 2,602,733 Est. Cost $8.83 Unrealized -29.3%
GLPG GALAPAGOS NV 0.4%
Value ($000) $12,969 Shares 130,000 Est. Cost $49.57 Unrealized
SYNLOGIC INC 0.4%
Value ($000) $12,805 Shares 1,365,143 Est. Cost $15.38 Unrealized
WRIGHT MED GROUP N V 0.4%
Value ($000) $12,579 Shares 634,000 Est. Cost $19.84 Unrealized
RYTM RHYTHM PHARMACEUTICALS INC 0.4%
Value ($000) $11,582 Shares 582,010 Est. Cost $26.40 Unrealized +0.6%
RECRO PHARMA INC 0.4%
Value ($000) $11,120 Shares 1,010,000 Est. Cost $8.06 Unrealized
EXACT SCIENCES CORP 0.4%
Value ($000) $11,083 Shares 12,500,000 Est. Cost $0.89 Unrealized
NUVASIVE INC 0.4%
Value ($000) $11,001 Shares 10,000,000 Est. Cost $1.10 Unrealized
WVE WAVE LIFE SCIENCES LTD 0.4%
Value ($000) $10,754 Shares 268,174 Est. Cost $28.49 Unrealized +47.5%
IGI LABORATORIES INC 0.4%
Value ($000) $10,750 Shares 11,600,000 Est. Cost $0.93 Unrealized
PFENEX INC 0.3%
Value ($000) $9,957 Shares 1,659,501 Est. Cost $4.33 Unrealized
ALLSCRIPTS HEALTHCARE SOLUTN 0.3%
Value ($000) $9,708 Shares 9,671,000 Est. Cost $1.00 Unrealized
INVUITY INC 0.3%
Value ($000) $8,997 Shares 2,336,889 Est. Cost $6.17 Unrealized
INVITAE CORP 0.3%
Value ($000) $8,919 Shares 1,901,788 Est. Cost $8.80 Unrealized
REATA PHARMACEUTICALS INC 0.3%
Value ($000) $7,999 Shares 390,000 Est. Cost $29.67 Unrealized
BIOSCRIP INC 0.3%
Value ($000) $7,685 Shares 3,124,000 Est. Cost $2.78 Unrealized
RGNX REGENXBIO INC 0.3%
Value ($000) $7,651 Shares 256,300 Est. Cost $30.13 Unrealized -3.4%
RCKT ROCKET PHARMACEUTICALS INC 0.3%
Value ($000) $7,500 Shares 400,000 Est. Cost $16.31 Unrealized 0.0%
ALPINE IMMUNE SCIENCES INC 0.3%
Value ($000) $7,305 Shares 913,100 Est. Cost $11.60 Unrealized
NEOS THERAPEUTICS INC 0.2%
Value ($000) $7,179 Shares 864,906 Est. Cost $8.68 Unrealized
ARMO BIOSCIENCES INC 0.2%
Value ($000) $7,053 Shares 188,525 Est. Cost $37.41 Unrealized
BLUEBIRD BIO INC 0.2%
Value ($000) $7,001 Shares 41,000 Est. Cost $178.10 Unrealized
ALIMERA SCIENCES INC 0.2%
Value ($000) $6,235 Shares 6,052,935 Est. Cost $4.42 Unrealized
MIRATI THERAPEUTICS INC 0.2%
Value ($000) $6,048 Shares 197,000 Est. Cost $18.25 Unrealized
STEADYMED LTD 0.2%
Value ($000) $4,611 Shares 1,418,787 Est. Cost $7.13 Unrealized
ALBIREO PHARMA INC 0.1%
Value ($000) $3,908 Shares 120,000 Est. Cost $32.57 Unrealized
SIERRA ONCOLOGY INC 0.1%
Value ($000) $3,653 Shares 1,764,889 Est. Cost $1.53 Unrealized
FOAMIX PHARMACEUTICALS LTD 0.1%
Value ($000) $3,458 Shares 674,002 Est. Cost $6.57 Unrealized
MNKD MANNKIND CORP 0.1%
Value ($000) $3,380 Shares 1,482,601 Est. Cost $2.69 Unrealized 0.0%
PROTEON THERAPEUTICS INC 0.1%
Value ($000) $3,062 Shares 1,224,899 Est. Cost $9.96 Unrealized
TCMD TACTILE SYS TECHNOLOGY INC 0.1%
Value ($000) $2,894 Shares 91,020 Est. Cost $30.92 Unrealized 0.0%
EYENOVIA INC 0.1%
Value ($000) $2,745 Shares 300,000 Est. Cost $9.15 Unrealized
IFRX INFLARX NV 0.1%
Value ($000) $2,552 Shares 88,500 Est. Cost $17.97 Unrealized +46.7%
ARALEZ PHARMACEUTICALS INC 0.1%
Value ($000) $2,467 Shares 1,644,583 Est. Cost $3.55 Unrealized
TESARO INC 0.1%
Value ($000) $2,451 Shares 42,893 Est. Cost $82.88 Unrealized
ADVERUM BIOTECHNOLOGIES INC 0.1%
Value ($000) $2,448 Shares 422,000 Est. Cost $5.80 Unrealized
VYGR VOYAGER THERAPEUTICS INC 0.1%
Value ($000) $2,211 Shares 117,647 Est. Cost $21.90 Unrealized
EGALET CORP 0.1%
Value ($000) $2,041 Shares 3,239,237 Est. Cost $0.63 Unrealized
RA PHARMACEUTICALS INC 0.1%
Value ($000) $2,032 Shares 382,700 Est. Cost $7.33 Unrealized
TELIGENT INC NEW 0.1%
Value ($000) $1,609 Shares 479,000 Est. Cost $3.36 Unrealized
TNDM TANDEM DIABETES CARE INC 0.1%
Value ($000) $1,577 Shares 318,000 Est. Cost $3.22 Unrealized 0.0%
OBALON THERAPEUTICS INC 0.1%
Value ($000) $1,531 Shares 446,284 Est. Cost $9.10 Unrealized
SCYNEXIS INC 0.0%
Value ($000) $1,367 Shares 1,020,000 Est. Cost $1.34 Unrealized
SIENTRA INC 0.0%
Value ($000) $1,063 Shares 110,000 Est. Cost $9.66 Unrealized
KIDS ORTHOPEDIATRICS CORP 0.0%
Value ($000) $877 Shares 58,247 Est. Cost $19.13 Unrealized -7.4%