DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

CIK: 0001009258 · Show all filings

Period: Q2 2018 (← Previous) (Next →)

Filing Date: Aug 14, 2018

Total Value ($000): $2,847,622 (85.0% shares, 15.0% debt)

Holdings (114)

MALLINCKRODT PUB LTD CO 4.6%
Value ($000) $130,401 Shares 6,988,248 Est. Cost $24.32 Unrealized
HORIZON PHARMA PLC 3.8%
Value ($000) $109,460 Shares 6,609,894 Est. Cost $15.89 Unrealized
HOMOLOGY MEDICINES INC 3.7%
Value ($000) $106,632 Shares 5,227,035 Est. Cost $18.70 Unrealized
HORIZON PHARMA INVT LTD 3.3%
Value ($000) $94,914 Shares 99,100,000 Est. Cost $0.87 Unrealized
MIRATI THERAPEUTICS INC 2.3%
Value ($000) $64,108 Shares 1,300,365 Est. Cost $44.60 Unrealized
MYLAN N V 2.2%
Value ($000) $62,960 Shares 1,742,111 Est. Cost $38.81 Unrealized
MYOKARDIA INC 2.0%
Value ($000) $57,544 Shares 1,159,000 Est. Cost $38.82 Unrealized
TNDM TANDEM DIABETES CARE INC 2.0%
Value ($000) $56,664 Shares 2,573,305 Est. Cost $11.18 Unrealized +10.0%
DBV TECHNOLOGIES S A 2.0%
Value ($000) $55,941 Shares 2,900,000 Est. Cost $25.99 Unrealized
KEMPHARM INC 1.9%
Value ($000) $55,438 Shares 75,000,000 Est. Cost $0.61 Unrealized
ACRS ACLARIS THERAPEUTICS INC 1.9%
Value ($000) $54,832 Shares 2,745,705 Est. Cost $24.81 Unrealized -25.5%
ACCELERON PHARMA INC 1.9%
Value ($000) $54,672 Shares 1,126,800 Est. Cost $42.41 Unrealized
PORTOLA PHARMACEUTICALS INC 1.9%
Value ($000) $54,639 Shares 1,446,633 Est. Cost $37.77 Unrealized
XERIS PHARMACEUTICALS INC 1.7%
Value ($000) $47,425 Shares 2,498,666 Est. Cost $18.98 Unrealized
ELV ANTHEM INC 1.6%
Value ($000) $45,464 Shares 191,000 Est. Cost $197.93 Unrealized +5.8%
AETNA INC NEW 1.5%
Value ($000) $42,022 Shares 229,000 Est. Cost $173.05 Unrealized
WRIGHT MED GROUP N V 1.5%
Value ($000) $41,943 Shares 31,500,000 Est. Cost $1.14 Unrealized
EDIT EDITAS MEDICINE INC 1.5%
Value ($000) $41,521 Shares 1,158,841 Est. Cost $26.29 Unrealized +34.7%
AUDENTES THERAPEUTICS INC 1.4%
Value ($000) $40,061 Shares 1,048,430 Est. Cost $19.74 Unrealized
ANAB ANAPTYSBIO INC 1.4%
Value ($000) $39,995 Shares 562,989 Est. Cost $24.52 Unrealized +242.1%
CNC CENTENE CORP DEL 1.4%
Value ($000) $39,986 Shares 324,536 Est. Cost $52.13 Unrealized +10.6%
SRPT SAREPTA THERAPEUTICS INC 1.4%
Value ($000) $39,125 Shares 296,000 Est. Cost $94.31 Unrealized 0.0%
ENDOLOGIX INC 1.3%
Value ($000) $38,243 Shares 40,500,000 Est. Cost $0.87 Unrealized
INTERSECT ENT INC 1.3%
Value ($000) $38,199 Shares 1,020,000 Est. Cost $30.37 Unrealized
ARGX ARGENX SE 1.3%
Value ($000) $37,041 Shares 447,029 Est. Cost $38.74 Unrealized
CVS CVS HEALTH CORP 1.3%
Value ($000) $36,474 Shares 566,800 Est. Cost $55.85 Unrealized -7.5%
TRINITY BIOTECH INVT LTD 1.2%
Value ($000) $35,398 Shares 43,000,000 Est. Cost $0.92 Unrealized
CVS CVS HEALTH CORP 1.2%
Value ($000) $35,393 Shares 550,000 Est. Cost $55.85 Unrealized -7.5%
BCRX BIOCRYST PHARMACEUTICALS 1.2%
Value ($000) $34,744 Shares 6,063,496 Est. Cost $4.62 Unrealized +19.2%
SEM SELECT MED HLDGS CORP 1.2%
Value ($000) $33,723 Shares 1,858,000 Est. Cost $8.18 Unrealized +10.6%
AERIE PHARMACEUTICALS INC 1.1%
Value ($000) $32,698 Shares 484,055 Est. Cost $26.12 Unrealized
GW PHARMACEUTICALS PLC 1.1%
Value ($000) $32,513 Shares 233,000 Est. Cost $86.87 Unrealized
ASND ASCENDIS PHARMA A S 1.1%
Value ($000) $32,094 Shares 482,467 Est. Cost $28.35 Unrealized
ENDOCYTE INC 1.1%
Value ($000) $32,075 Shares 2,324,299 Est. Cost $9.09 Unrealized
WALGREENS BOOTS ALLIANCE INC 1.1%
Value ($000) $31,868 Shares 531,000 Est. Cost $65.62 Unrealized
INTERCEPT PHARMACEUTICALS IN 1.1%
Value ($000) $31,598 Shares 36,000,000 Est. Cost $0.85 Unrealized
GKOS GLAUKOS CORP 1.1%
Value ($000) $30,652 Shares 754,222 Est. Cost $36.26 Unrealized -1.9%
ACHC ACADIA HEALTHCARE COMPANY IN 1.1%
Value ($000) $30,315 Shares 741,016 Est. Cost $34.65 Unrealized +16.4%
BLUEPRINT MEDICINES CORP 1.1%
Value ($000) $30,150 Shares 474,950 Est. Cost $53.71 Unrealized
NEVRO CORP 1.1%
Value ($000) $29,913 Shares 27,600,000 Est. Cost $1.07 Unrealized
AGIO AGIOS PHARMACEUTICALS INC 1.0%
Value ($000) $29,481 Shares 350,000 Est. Cost $65.34 Unrealized +33.5%
UHS UNIVERSAL HLTH SVCS INC 1.0%
Value ($000) $29,197 Shares 262,000 Est. Cost $108.83 Unrealized +4.0%
IMMUNOMEDICS INC 0.9%
Value ($000) $26,624 Shares 1,124,800 Est. Cost $16.65 Unrealized
K2M GROUP HLDGS INC 0.9%
Value ($000) $26,036 Shares 20,000,000 Est. Cost $1.22 Unrealized
DFB HEALTHCARE ACQUISTION CO 0.9%
Value ($000) $25,375 Shares 2,500,000 Est. Cost $10.05 Unrealized
MELINTA THERAPEUTICS INC 0.9%
Value ($000) $25,373 Shares 3,995,806 Est. Cost $7.17 Unrealized
LANNET INC 0.9%
Value ($000) $24,498 Shares 1,801,353 Est. Cost $22.58 Unrealized
EHTH EHEALTH INC 0.9%
Value ($000) $24,419 Shares 1,104,952 Est. Cost $25.87 Unrealized -25.4%
EPIZYME INC 0.8%
Value ($000) $22,208 Shares 1,639,000 Est. Cost $12.80 Unrealized
RYTM RHYTHM PHARMACEUTICALS INC 0.8%
Value ($000) $21,995 Shares 703,600 Est. Cost $26.57 Unrealized +2.9%
DEPOMED INC 0.8%
Value ($000) $21,952 Shares 27,019,000 Est. Cost $0.84 Unrealized
REATA PHARMACEUTICALS INC 0.7%
Value ($000) $21,316 Shares 609,554 Est. Cost $31.58 Unrealized
KINIKSA PHARMACEUTICALS LTD 0.7%
Value ($000) $21,287 Shares 1,226,890 Est. Cost $17.35 Unrealized
BKD BROOKDALE SR LIVING INC 0.7%
Value ($000) $20,959 Shares 2,305,773 Est. Cost $7.76 Unrealized 0.0%
NTRA NATERA INC 0.7%
Value ($000) $20,341 Shares 1,080,829 Est. Cost $10.92 Unrealized +11.4%
RADIUS HEALTH INC 0.7%
Value ($000) $19,342 Shares 21,000,000 Est. Cost $1.01 Unrealized
MORPHOSYS AG 0.6%
Value ($000) $18,204 Shares 600,000 Est. Cost $30.34 Unrealized
AIMMUNE THERAPEUTICS INC 0.6%
Value ($000) $18,097 Shares 673,000 Est. Cost $31.83 Unrealized
CYMABAY THERAPEUTICS INC 0.6%
Value ($000) $18,025 Shares 1,343,181 Est. Cost $13.03 Unrealized
BLUEBIRD BIO INC 0.6%
Value ($000) $17,735 Shares 113,000 Est. Cost $164.62 Unrealized
AAC HLDGS INC 0.6%
Value ($000) $17,372 Shares 1,853,998 Est. Cost $21.45 Unrealized
ARENA PHARMACEUTICALS INC 0.6%
Value ($000) $17,361 Shares 398,194 Est. Cost $25.64 Unrealized
OXFORD IMMUNOTEC GLOBAL PLC 0.6%
Value ($000) $16,899 Shares 1,311,000 Est. Cost $14.60 Unrealized
AVADEL PHARMACEUTICALS PLC 0.6%
Value ($000) $16,687 Shares 2,722,241 Est. Cost $9.57 Unrealized
CTMX CYTOMX THERAPEUTICS INC 0.6%
Value ($000) $16,687 Shares 729,948 Est. Cost $15.82 Unrealized +61.4%
MOH MOLINA HEALTHCARE INC 0.6%
Value ($000) $16,454 Shares 168,000 Est. Cost $67.97 Unrealized +28.2%
BIOHAVEN PHARMACTL HLDG CO L 0.6%
Value ($000) $15,729 Shares 398,000 Est. Cost $25.86 Unrealized
DXCM DEXCOM INC 0.6%
Value ($000) $15,688 Shares 165,175 Est. Cost $17.53 Unrealized +20.9%
GLPG GALAPAGOS NV 0.5%
Value ($000) $15,210 Shares 165,000 Est. Cost $58.61 Unrealized
ALNY ALNYLAM PHARMACEUTICALS INC 0.5%
Value ($000) $14,380 Shares 146,000 Est. Cost $128.92 Unrealized -23.1%
INVITAE CORP 0.5%
Value ($000) $13,978 Shares 1,901,788 Est. Cost $8.80 Unrealized
ZBH ZIMMER BIOMET HLDGS INC 0.5%
Value ($000) $13,484 Shares 121,000 Est. Cost $108.85 Unrealized -6.1%
SYNLOGIC INC 0.5%
Value ($000) $13,419 Shares 1,365,143 Est. Cost $15.38 Unrealized
SYROS PHARMACEUTICALS INC 0.5%
Value ($000) $12,956 Shares 1,268,945 Est. Cost $18.15 Unrealized
ARDX ARDELYX INC 0.5%
Value ($000) $12,920 Shares 3,491,922 Est. Cost $7.76 Unrealized -40.2%
SIENTRA INC 0.4%
Value ($000) $12,664 Shares 649,100 Est. Cost $17.84 Unrealized
G1 THERAPEUTICS INC 0.4%
Value ($000) $12,473 Shares 287,000 Est. Cost $37.05 Unrealized
AEGERION PHARMACEUTICALS INC 0.4%
Value ($000) $10,707 Shares 16,600,000 Est. Cost $0.81 Unrealized
TELIGENT INC NEW 0.4%
Value ($000) $10,312 Shares 9,567,000 Est. Cost $1.08 Unrealized
FORTY SEVEN INC 0.3%
Value ($000) $9,600 Shares 600,000 Est. Cost $16.00 Unrealized
PRTA PROTHENA CORP PLC 0.3%
Value ($000) $9,160 Shares 628,262 Est. Cost $19.75 Unrealized 0.0%
INVUITY INC 0.3%
Value ($000) $9,114 Shares 2,336,889 Est. Cost $6.17 Unrealized
WRIGHT MED GROUP N V 0.3%
Value ($000) $9,074 Shares 349,539 Est. Cost $19.84 Unrealized
RGNX REGENXBIO INC 0.3%
Value ($000) $8,969 Shares 125,000 Est. Cost $30.13 Unrealized +58.5%
TRANSLATE BIO INC 0.3%
Value ($000) $8,223 Shares 650,000 Est. Cost $12.65 Unrealized
NUVASIVE INC 0.3%
Value ($000) $7,591 Shares 7,000,000 Est. Cost $1.10 Unrealized
ELECTROCORE INC 0.2%
Value ($000) $7,017 Shares 425,000 Est. Cost $16.51 Unrealized
ALPINE IMMUNE SCIENCES INC 0.2%
Value ($000) $6,912 Shares 913,100 Est. Cost $11.60 Unrealized
BIOSCRIP INC 0.2%
Value ($000) $6,842 Shares 2,335,000 Est. Cost $2.78 Unrealized
WVE WAVE LIFE SCIENCES LTD 0.2%
Value ($000) $6,839 Shares 178,806 Est. Cost $28.49 Unrealized +51.1%
AUTL AUTOLUS THERAPEUTICS PLC 0.2%
Value ($000) $6,698 Shares 250,000 Est. Cost $26.79 Unrealized
EIDOS THERAPEUTICS INC 0.2%
Value ($000) $6,586 Shares 323,807 Est. Cost $20.34 Unrealized
SOLID BIOSCIENCES INC 0.2%
Value ($000) $6,391 Shares 179,381 Est. Cost $35.63 Unrealized
PFENEX INC 0.2%
Value ($000) $6,112 Shares 1,129,684 Est. Cost $4.33 Unrealized
ALIMERA SCIENCES INC 0.2%
Value ($000) $5,922 Shares 6,052,935 Est. Cost $4.42 Unrealized
AVROBIO INC 0.2%
Value ($000) $5,712 Shares 200,000 Est. Cost $28.56 Unrealized
RCKT ROCKET PHARMACEUTICALS INC 0.2%
Value ($000) $5,496 Shares 280,000 Est. Cost $16.31 Unrealized +16.0%
SIERRA ONCOLOGY INC 0.2%
Value ($000) $5,224 Shares 1,764,889 Est. Cost $1.53 Unrealized
ALBIREO PHARMA INC 0.1%
Value ($000) $4,260 Shares 120,000 Est. Cost $32.57 Unrealized
STEADYMED LTD 0.1%
Value ($000) $4,132 Shares 918,120 Est. Cost $7.13 Unrealized
RA PHARMACEUTICALS INC 0.1%
Value ($000) $3,808 Shares 382,700 Est. Cost $7.33 Unrealized
IGI LABORATORIES INC 0.1%
Value ($000) $3,476 Shares 3,733,000 Est. Cost $0.93 Unrealized
FOAMIX PHARMACEUTICALS LTD 0.1%
Value ($000) $3,377 Shares 674,002 Est. Cost $6.57 Unrealized
STIM NEURONETICS INC 0.1%
Value ($000) $3,326 Shares 125,000 Est. Cost $27.20 Unrealized 0.0%
PROTEON THERAPEUTICS INC 0.1%
Value ($000) $3,001 Shares 1,224,899 Est. Cost $9.96 Unrealized
MNKD MANNKIND CORP 0.1%
Value ($000) $2,771 Shares 1,458,537 Est. Cost $2.69 Unrealized -30.5%
NUVECTRA CORP 0.1%
Value ($000) $2,689 Shares 131,000 Est. Cost $20.53 Unrealized
TELIGENT INC NEW 0.1%
Value ($000) $2,453 Shares 708,873 Est. Cost $3.39 Unrealized
VYGR VOYAGER THERAPEUTICS INC 0.1%
Value ($000) $2,299 Shares 117,647 Est. Cost $21.90 Unrealized
KIDS ORTHOPEDIATRICS CORP 0.1%
Value ($000) $2,152 Shares 80,783 Est. Cost $19.74 Unrealized +8.1%
EYENOVIA INC 0.1%
Value ($000) $1,890 Shares 300,000 Est. Cost $9.15 Unrealized
XNCR XENCOR INC 0.1%
Value ($000) $1,790 Shares 48,366 Est. Cost $18.70 Unrealized +84.3%
NEOS THERAPEUTICS INC 0.1%
Value ($000) $1,458 Shares 233,332 Est. Cost $8.68 Unrealized
ARALEZ PHARMACEUTICALS INC 0.0%
Value ($000) $576 Shares 1,644,583 Est. Cost $3.55 Unrealized