DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

CIK: 0001009258 · Show all filings

Period: Q3 2017 (← Previous) (Next →)

Filing Date: Nov 13, 2017

Total Value ($000): $2,219,958 (82.4% shares, 17.6% debt)

Holdings (91)

AVEXIS INC 6.7%
Value ($000) $149,679 Shares 1,547,386 Est. Cost $28.94 Unrealized
MCK MCKESSON CORP 5.0%
Value ($000) $111,982 Shares 729,000 Est. Cost $142.50 Unrealized +2.5%
MYLAN N V 4.5%
Value ($000) $98,929 Shares 3,153,611 Est. Cost $38.77 Unrealized
HORIZON PHARMA PLC 4.0%
Value ($000) $87,708 Shares 6,917,070 Est. Cost $15.96 Unrealized
GKOS GLAUKOS CORP 3.8%
Value ($000) $83,392 Shares 2,527,032 Est. Cost $38.36 Unrealized -1.0%
MALLINCKRODT PUB LTD CO 3.1%
Value ($000) $69,513 Shares 1,860,137 Est. Cost $43.14 Unrealized
DXCM DEXCOM INC 3.1%
Value ($000) $69,469 Shares 1,419,911 Est. Cost $17.90 Unrealized -1.2%
HORIZON PHARMA INVT LTD 3.0%
Value ($000) $66,895 Shares 74,100,000 Est. Cost $0.86 Unrealized
MYOKARDIA INC 2.6%
Value ($000) $58,492 Shares 1,365,039 Est. Cost $37.16 Unrealized
ISIS PHARMACEUTICALS INC DEL 2.2%
Value ($000) $48,504 Shares 45,700,000 Est. Cost $1.00 Unrealized
KEMPHARM INC 2.1%
Value ($000) $45,688 Shares 75,000,000 Est. Cost $0.61 Unrealized
NXSTAGE MEDICAL INC 2.0%
Value ($000) $43,588 Shares 1,579,285 Est. Cost $14.91 Unrealized
AUDENTES THERAPEUTICS INC 1.9%
Value ($000) $42,727 Shares 1,525,410 Est. Cost $18.06 Unrealized
EDIT EDITAS MEDICINE INC 1.8%
Value ($000) $41,043 Shares 1,709,400 Est. Cost $26.29 Unrealized -27.6%
ACRS ACLARIS THERAPEUTICS INC 1.8%
Value ($000) $40,726 Shares 1,577,927 Est. Cost $26.18 Unrealized +2.4%
INTERCEPT PHARMACEUTICALS IN 1.8%
Value ($000) $39,674 Shares 51,000,000 Est. Cost $0.85 Unrealized
AVADEL PHARMACEUTICALS PLC 1.7%
Value ($000) $38,383 Shares 3,655,494 Est. Cost $9.68 Unrealized
TRINITY BIOTECH INVT LTD 1.7%
Value ($000) $38,190 Shares 48,000,000 Est. Cost $0.92 Unrealized
INTERSECT ENT INC 1.7%
Value ($000) $37,692 Shares 1,210,000 Est. Cost $28.00 Unrealized
GW PHARMACEUTICALS PLC 1.7%
Value ($000) $36,813 Shares 362,724 Est. Cost $85.11 Unrealized
ENDOLOGIX INC 1.6%
Value ($000) $35,030 Shares 40,500,000 Est. Cost $0.87 Unrealized
NEVRO CORP 1.5%
Value ($000) $32,756 Shares 27,600,000 Est. Cost $1.07 Unrealized
ASND ASCENDIS PHARMA A S 1.4%
Value ($000) $30,813 Shares 850,000 Est. Cost $28.35 Unrealized
AERIE PHARMACEUTICALS INC 1.4%
Value ($000) $30,749 Shares 632,686 Est. Cost $26.12 Unrealized
ANAB ANAPTYSBIO INC 1.3%
Value ($000) $28,811 Shares 824,338 Est. Cost $24.52 Unrealized +10.0%
NTRA NATERA INC 1.3%
Value ($000) $28,120 Shares 2,181,542 Est. Cost $11.09 Unrealized 0.0%
DBV TECHNOLOGIES S A 1.3%
Value ($000) $27,836 Shares 655,897 Est. Cost $32.61 Unrealized
PODD INSULET CORP 1.2%
Value ($000) $27,375 Shares 497,000 Est. Cost $54.60 Unrealized 0.0%
ARENA PHARMACEUTICALS INC 1.2%
Value ($000) $27,344 Shares 1,072,329 Est. Cost $22.15 Unrealized
LANNET INC 1.2%
Value ($000) $26,813 Shares 1,453,259 Est. Cost $22.05 Unrealized
BCRX BIOCRYST PHARMACEUTICALS 1.2%
Value ($000) $26,071 Shares 4,975,451 Est. Cost $4.50 Unrealized +13.7%
K2M GROUP HLDGS INC 1.1%
Value ($000) $24,498 Shares 20,000,000 Est. Cost $1.22 Unrealized
ACCELERON PHARMA INC 1.0%
Value ($000) $22,952 Shares 615,000 Est. Cost $37.32 Unrealized
SEM SELECT MED HLDGS CORP 1.0%
Value ($000) $22,936 Shares 1,194,609 Est. Cost $7.83 Unrealized +8.6%
PATTERSON COMPANIES INC 1.0%
Value ($000) $21,876 Shares 566,000 Est. Cost $44.42 Unrealized
FLUIDIGM CORP DEL 0.9%
Value ($000) $20,260 Shares 27,715,000 Est. Cost $0.89 Unrealized
SYROS PHARMACEUTICALS INC 0.8%
Value ($000) $18,679 Shares 1,268,945 Est. Cost $18.15 Unrealized
MOH MOLINA HEALTHCARE INC 0.8%
Value ($000) $17,740 Shares 258,000 Est. Cost $62.90 Unrealized +3.5%
SELECTA BIOSCIENCES INC 0.8%
Value ($000) $17,367 Shares 951,629 Est. Cost $16.60 Unrealized
AAC HLDGS INC 0.8%
Value ($000) $17,211 Shares 1,733,276 Est. Cost $22.45 Unrealized
RECRO PHARMA INC 0.8%
Value ($000) $17,077 Shares 1,901,685 Est. Cost $8.06 Unrealized
SYNLOGIC INC 0.7%
Value ($000) $16,165 Shares 850,143 Est. Cost $19.01 Unrealized
PORTOLA PHARMACEUTICALS INC 0.7%
Value ($000) $16,130 Shares 298,545 Est. Cost $23.81 Unrealized
EHTH EHEALTH INC 0.7%
Value ($000) $16,078 Shares 672,994 Est. Cost $28.61 Unrealized -28.8%
OXFORD IMMUNOTEC GLOBAL PLC 0.7%
Value ($000) $15,888 Shares 945,710 Est. Cost $15.22 Unrealized
AMAG PHARMACEUTICALS INC 0.7%
Value ($000) $15,747 Shares 16,250,000 Est. Cost $0.97 Unrealized
LOXO ONCOLOGY INC 0.7%
Value ($000) $15,568 Shares 169,000 Est. Cost $32.43 Unrealized
ARDX ARDELYX INC 0.7%
Value ($000) $15,380 Shares 2,746,480 Est. Cost $8.97 Unrealized -41.3%
ADVANCED ACCELERATOR APPLIC 0.7%
Value ($000) $14,741 Shares 218,000 Est. Cost $34.60 Unrealized
NEOS THERAPEUTICS INC 0.6%
Value ($000) $14,356 Shares 1,568,921 Est. Cost $8.74 Unrealized
BLUEPRINT MEDICINES CORP 0.6%
Value ($000) $14,143 Shares 203,000 Est. Cost $28.24 Unrealized
AGIO AGIOS PHARMACEUTICALS INC 0.6%
Value ($000) $13,884 Shares 208,000 Est. Cost $60.07 Unrealized 0.0%
CTMX CYTOMX THERAPEUTICS INC 0.6%
Value ($000) $13,751 Shares 756,822 Est. Cost $15.82 Unrealized -1.4%
AEGERION PHARMACEUTICALS INC 0.6%
Value ($000) $13,359 Shares 16,600,000 Est. Cost $0.81 Unrealized
EPIZYME INC 0.6%
Value ($000) $13,345 Shares 700,526 Est. Cost $12.16 Unrealized
GLPG GALAPAGOS NV 0.6%
Value ($000) $13,228 Shares 130,000 Est. Cost $49.57 Unrealized
WVE WAVE LIFE SCIENCES LTD 0.6%
Value ($000) $12,615 Shares 580,000 Est. Cost $28.49 Unrealized -29.5%
XNCR XENCOR INC 0.5%
Value ($000) $11,964 Shares 522,000 Est. Cost $13.55 Unrealized +63.8%
ARGX ARGENX SE 0.5%
Value ($000) $11,509 Shares 509,022 Est. Cost $21.21 Unrealized
ALPINE IMMUNE SCIENCES INC 0.5%
Value ($000) $10,824 Shares 933,100 Est. Cost $11.60 Unrealized
INVUITY INC 0.5%
Value ($000) $10,477 Shares 1,177,229 Est. Cost $8.46 Unrealized
ALLSCRIPTS HEALTHCARE SOLUTN 0.5%
Value ($000) $10,297 Shares 9,671,000 Est. Cost $1.00 Unrealized
CNC CENTENE CORP DEL 0.4%
Value ($000) $9,871 Shares 102,000 Est. Cost $29.50 Unrealized +45.9%
SGMO SANGAMO THERAPEUTICS INC 0.4%
Value ($000) $9,795 Shares 653,000 Est. Cost $4.29 Unrealized +157.6%
INVITAE CORP 0.4%
Value ($000) $8,433 Shares 900,000 Est. Cost $9.37 Unrealized
ALIMERA SCIENCES INC 0.4%
Value ($000) $8,171 Shares 6,052,935 Est. Cost $4.42 Unrealized
IMMUNOMEDICS INC 0.4%
Value ($000) $8,136 Shares 582,000 Est. Cost $13.98 Unrealized
MARINUS PHARMACEUTICALS INC 0.4%
Value ($000) $7,954 Shares 1,355,000 Est. Cost $5.87 Unrealized
CLEMENTIA PHARMACEUTICALS IN 0.4%
Value ($000) $7,810 Shares 462,387 Est. Cost $16.89 Unrealized
NUCANA PLC 0.4%
Value ($000) $7,806 Shares 424,950 Est. Cost $18.37 Unrealized
AXOVANT SCIENCES LTD 0.3%
Value ($000) $7,238 Shares 1,052,000 Est. Cost $8.50 Unrealized
AXGN AXOGEN INC 0.3%
Value ($000) $6,665 Shares 344,428 Est. Cost $3.20 Unrealized +425.8%
MCK MCKESSON CORP 0.3%
Value ($000) $6,636 Shares 43,200 Est. Cost $142.50 Unrealized +2.5%
MYOVANT SCIENCES LTD 0.3%
Value ($000) $6,199 Shares 400,685 Est. Cost $12.44 Unrealized
DECIPHERA PHARMACEUTICALS IN 0.3%
Value ($000) $6,172 Shares 325,000 Est. Cost $18.99 Unrealized
BIOHAVEN PHARMACTL HLDG CO L 0.3%
Value ($000) $6,168 Shares 165,000 Est. Cost $25.00 Unrealized
REATA PHARMACEUTICALS INC 0.3%
Value ($000) $5,909 Shares 190,000 Est. Cost $31.10 Unrealized
AGILE THERAPEUTICS INC 0.2%
Value ($000) $5,449 Shares 1,221,775 Est. Cost $4.38 Unrealized
STEADYMED LTD 0.2%
Value ($000) $4,753 Shares 1,418,787 Est. Cost $7.13 Unrealized
FOAMIX PHARMACEUTICALS LTD 0.2%
Value ($000) $4,537 Shares 817,435 Est. Cost $7.07 Unrealized
SIERRA ONCOLOGY INC 0.2%
Value ($000) $4,340 Shares 2,800,000 Est. Cost $1.53 Unrealized
SAGE THERAPEUTICS INC 0.2%
Value ($000) $4,236 Shares 68,000 Est. Cost $62.29 Unrealized
ARALEZ PHARMACEUTICALS INC 0.2%
Value ($000) $3,766 Shares 1,644,583 Est. Cost $3.55 Unrealized
OBALON THERAPEUTICS INC 0.2%
Value ($000) $3,348 Shares 351,284 Est. Cost $9.77 Unrealized
BIOSCRIP INC 0.1%
Value ($000) $3,045 Shares 1,107,166 Est. Cost $2.55 Unrealized
AKARI THERAPEUTICS PLC 0.1%
Value ($000) $2,662 Shares 433,551 Est. Cost $23.99 Unrealized
PROTEON THERAPEUTICS INC 0.1%
Value ($000) $2,450 Shares 1,224,899 Est. Cost $9.96 Unrealized
VYGR VOYAGER THERAPEUTICS INC 0.1%
Value ($000) $2,422 Shares 117,647 Est. Cost $21.90 Unrealized
INTRA CELLULAR THERAPIES INC 0.1%
Value ($000) $1,864 Shares 118,116 Est. Cost $15.78 Unrealized
MDXG MIMEDX GROUP INC 0.1%
Value ($000) $1,782 Shares 150,000 Est. Cost $14.83 Unrealized 0.0%
RA PHARMACEUTICALS INC 0.1%
Value ($000) $1,491 Shares 102,150 Est. Cost $15.08 Unrealized