DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

CIK: 0001009258 · Show all filings

Period: Q1 2019 (← Previous) (Next →)

Filing Date: May 15, 2019

Total Value ($000): $2,607,815 (84.4% shares, 15.6% debt)

Holdings (93)

HORIZON PHARMA PLC 6.5%
Value ($000) $170,807 Shares 6,462,634 Est. Cost $16.01 Unrealized
HOMOLOGY MEDICINES INC 5.6%
Value ($000) $144,946 Shares 5,227,035 Est. Cost $18.70 Unrealized
ORCHARD THERAPEUTICS PLC 5.5%
Value ($000) $143,462 Shares 8,023,600 Est. Cost $15.73 Unrealized
HORIZON PHARMA INVT LTD 5.0%
Value ($000) $131,460 Shares 116,032,000 Est. Cost $0.89 Unrealized
NEVRO CORP 3.9%
Value ($000) $100,936 Shares 100,000,000 Est. Cost $1.01 Unrealized
PORTOLA PHARMACEUTICALS INC 3.5%
Value ($000) $90,829 Shares 2,617,543 Est. Cost $33.73 Unrealized
MYLAN N V 3.5%
Value ($000) $90,682 Shares 3,199,789 Est. Cost $34.01 Unrealized
AERIE PHARMACEUTICALS INC 2.9%
Value ($000) $76,417 Shares 1,608,785 Est. Cost $50.25 Unrealized
IMMUNOMEDICS INC 2.8%
Value ($000) $72,898 Shares 3,794,783 Est. Cost $18.33 Unrealized
INTERSECT ENT INC 2.5%
Value ($000) $64,492 Shares 2,005,964 Est. Cost $29.52 Unrealized
ACCELERON PHARMA INC 2.2%
Value ($000) $58,453 Shares 1,255,174 Est. Cost $42.63 Unrealized
INTERCEPT PHARMACEUTICALS IN 2.2%
Value ($000) $57,201 Shares 57,791,000 Est. Cost $0.87 Unrealized
ANAB ANAPTYSBIO INC 2.1%
Value ($000) $54,308 Shares 743,439 Est. Cost $37.60 Unrealized +83.6%
BCRX BIOCRYST PHARMACEUTICALS 2.0%
Value ($000) $53,216 Shares 6,537,566 Est. Cost $4.88 Unrealized +75.6%
MYOKARDIA INC 2.0%
Value ($000) $51,834 Shares 997,000 Est. Cost $39.62 Unrealized
ARGX ARGENX SE 1.9%
Value ($000) $49,156 Shares 393,750 Est. Cost $50.58 Unrealized
SRPT SAREPTA THERAPEUTICS INC 1.8%
Value ($000) $46,007 Shares 386,000 Est. Cost $101.88 Unrealized +26.2%
DIPLOMAT PHARMACY INC 1.6%
Value ($000) $40,956 Shares 7,049,297 Est. Cost $9.08 Unrealized
BLUEPRINT MEDICINES CORP 1.6%
Value ($000) $40,575 Shares 506,865 Est. Cost $56.03 Unrealized
AXGN AXOGEN INC 1.4%
Value ($000) $37,213 Shares 1,767,006 Est. Cost $19.04 Unrealized -4.0%
ALEC ALECTOR INC 1.4%
Value ($000) $36,634 Shares 1,956,923 Est. Cost $18.92 Unrealized 0.0%
NEVRO CORP 1.4%
Value ($000) $36,222 Shares 579,463 Est. Cost $49.29 Unrealized
CNC CENTENE CORP DEL 1.4%
Value ($000) $35,418 Shares 667,000 Est. Cost $57.94 Unrealized +4.8%
ACRS ACLARIS THERAPEUTICS INC 1.4%
Value ($000) $35,302 Shares 5,893,416 Est. Cost $17.47 Unrealized -62.1%
BKD BROOKDALE SR LIVING INC 1.3%
Value ($000) $33,962 Shares 5,161,355 Est. Cost $8.29 Unrealized -11.4%
RA PHARMACEUTICALS INC 1.3%
Value ($000) $33,645 Shares 1,502,000 Est. Cost $15.43 Unrealized
REATA PHARMACEUTICALS INC 1.2%
Value ($000) $31,111 Shares 364,000 Est. Cost $36.30 Unrealized
FATE FATE THERAPEUTICS INC 1.1%
Value ($000) $29,920 Shares 1,702,897 Est. Cost $12.54 Unrealized +25.9%
VCEL VERICEL CORP 1.1%
Value ($000) $29,574 Shares 1,689,000 Est. Cost $13.56 Unrealized +34.9%
SEM SELECT MED HLDGS CORP 1.1%
Value ($000) $28,793 Shares 2,043,527 Est. Cost $7.93 Unrealized -6.6%
KEMPHARM INC 1.1%
Value ($000) $28,677 Shares 65,423,000 Est. Cost $0.61 Unrealized
EDIT EDITAS MEDICINE INC 1.1%
Value ($000) $28,334 Shares 1,158,841 Est. Cost $26.29 Unrealized -13.9%
EHTH EHEALTH INC 1.1%
Value ($000) $27,405 Shares 439,609 Est. Cost $25.94 Unrealized +112.5%
NTRA NATERA INC 1.0%
Value ($000) $27,277 Shares 1,322,834 Est. Cost $18.12 Unrealized -13.6%
DEXCOM INC 1.0%
Value ($000) $26,865 Shares 20,000,000 Est. Cost $1.53 Unrealized
DFB HEALTHCARE ACQUISTION CO 1.0%
Value ($000) $25,375 Shares 2,500,000 Est. Cost $10.05 Unrealized
KINIKSA PHARMACEUTICALS LTD 0.9%
Value ($000) $23,663 Shares 1,310,259 Est. Cost $18.00 Unrealized
XERIS PHARMACEUTICALS INC 0.9%
Value ($000) $23,646 Shares 2,355,136 Est. Cost $18.98 Unrealized
SIENTRA INC 0.9%
Value ($000) $23,429 Shares 2,730,632 Est. Cost $12.07 Unrealized
WRIGHT MED GROUP N V 0.8%
Value ($000) $21,065 Shares 13,625,000 Est. Cost $1.14 Unrealized
GLPG GALAPAGOS NV 0.8%
Value ($000) $20,842 Shares 176,958 Est. Cost $79.61 Unrealized
EXACT SCIENCES CORP 0.8%
Value ($000) $20,483 Shares 15,000,000 Est. Cost $1.10 Unrealized
AUDENTES THERAPEUTICS INC 0.7%
Value ($000) $19,272 Shares 493,901 Est. Cost $19.74 Unrealized
KALV KALVISTA PHARMACEUTICALS INC 0.7%
Value ($000) $18,603 Shares 650,000 Est. Cost $13.52 Unrealized +60.4%
MIRATI THERAPEUTICS INC 0.7%
Value ($000) $18,486 Shares 252,200 Est. Cost $44.51 Unrealized
GKOS GLAUKOS CORP 0.7%
Value ($000) $17,850 Shares 227,762 Est. Cost $36.26 Unrealized +84.2%
ASND ASCENDIS PHARMA A S 0.7%
Value ($000) $16,972 Shares 144,194 Est. Cost $40.92 Unrealized
ADUS ADDUS HOMECARE CORP 0.6%
Value ($000) $16,083 Shares 252,915 Est. Cost $67.11 Unrealized -4.2%
UHS UNIVERSAL HLTH SVCS INC 0.6%
Value ($000) $15,919 Shares 119,000 Est. Cost $111.53 Unrealized +14.3%
WVE WAVE LIFE SCIENCES LTD 0.6%
Value ($000) $15,336 Shares 394,737 Est. Cost $40.58 Unrealized 0.0%
ELV ANTHEM INC 0.6%
Value ($000) $15,210 Shares 53,000 Est. Cost $197.93 Unrealized +33.2%
DECIPHERA PHARMACEUTICALS IN 0.5%
Value ($000) $14,103 Shares 607,633 Est. Cost $20.99 Unrealized
MORPHOSYS AG 0.5%
Value ($000) $13,632 Shares 600,000 Est. Cost $30.34 Unrealized
ARVN ARVINAS INC 0.5%
Value ($000) $13,597 Shares 921,234 Est. Cost $16.46 Unrealized +7.8%
DBV TECHNOLOGIES S A 0.5%
Value ($000) $13,116 Shares 1,701,222 Est. Cost $7.71 Unrealized
MOH MOLINA HEALTHCARE INC 0.5%
Value ($000) $12,209 Shares 86,000 Est. Cost $131.06 Unrealized +3.2%
SYROS PHARMACEUTICALS INC 0.4%
Value ($000) $11,598 Shares 1,268,945 Est. Cost $18.15 Unrealized
SHOCKWAVE MED INC 0.4%
Value ($000) $10,448 Shares 312,146 Est. Cost $33.47 Unrealized
INVITAE CORP 0.4%
Value ($000) $9,677 Shares 413,200 Est. Cost $8.80 Unrealized
ALLO ALLOGENE THERAPEUTICS INC 0.4%
Value ($000) $9,448 Shares 326,797 Est. Cost $26.57 Unrealized +9.2%
ARDX ARDELYX INC 0.4%
Value ($000) $9,196 Shares 3,284,298 Est. Cost $7.26 Unrealized -64.1%
PTCT PTC THERAPEUTICS INC 0.3%
Value ($000) $8,921 Shares 237,000 Est. Cost $33.58 Unrealized 0.0%
SYNLOGIC INC 0.3%
Value ($000) $8,407 Shares 1,107,643 Est. Cost $15.38 Unrealized
RYTM RHYTHM PHARMACEUTICALS INC 0.3%
Value ($000) $7,976 Shares 291,005 Est. Cost $26.57 Unrealized +8.2%
INSP INSPIRE MED SYS INC 0.3%
Value ($000) $7,892 Shares 139,000 Est. Cost $44.60 Unrealized +21.1%
NUVASIVE INC 0.3%
Value ($000) $7,782 Shares 7,000,000 Est. Cost $1.10 Unrealized
ATHENEX INC 0.3%
Value ($000) $7,618 Shares 621,859 Est. Cost $12.68 Unrealized
TELIGENT INC NEW 0.2%
Value ($000) $6,453 Shares 9,567,000 Est. Cost $1.08 Unrealized
ALIMERA SCIENCES INC 0.2%
Value ($000) $6,416 Shares 6,052,935 Est. Cost $4.42 Unrealized
PFENEX INC 0.2%
Value ($000) $5,674 Shares 918,187 Est. Cost $4.33 Unrealized
AXOVANT SCIENCES LTD 0.2%
Value ($000) $5,281 Shares 3,970,326 Est. Cost $1.00 Unrealized
RCKT ROCKET PHARMACEUTICALS INC 0.2%
Value ($000) $4,911 Shares 280,000 Est. Cost $16.31 Unrealized -3.2%
NEOS THERAPEUTICS INC 0.2%
Value ($000) $4,696 Shares 1,799,141 Est. Cost $1.95 Unrealized
CLOVIS ONCOLOGY INC 0.2%
Value ($000) $4,647 Shares 5,000,000 Est. Cost $0.93 Unrealized
MGTX MEIRAGTX HOLDINGS PLC 0.2%
Value ($000) $4,032 Shares 234,000 Est. Cost $12.62 Unrealized +11.7%
AEGLEA BIOTHERAPEUTICS INC 0.2%
Value ($000) $4,025 Shares 500,046 Est. Cost $8.05 Unrealized
AVADEL PHARMACEUTICALS PLC 0.2%
Value ($000) $3,920 Shares 2,722,241 Est. Cost $9.57 Unrealized
ITAMAR MED LTD 0.1%
Value ($000) $3,647 Shares 314,136 Est. Cost $11.61 Unrealized
AAC HLDGS INC 0.1%
Value ($000) $3,562 Shares 1,936,027 Est. Cost $20.60 Unrealized
CONSTELLATION PHARMCETICLS I 0.1%
Value ($000) $3,434 Shares 253,400 Est. Cost $6.73 Unrealized
ALPINE IMMUNE SCIENCES INC 0.1%
Value ($000) $3,262 Shares 475,450 Est. Cost $11.60 Unrealized
RVLPQ OSMOTICA PHARMACEUTICALS PLC 0.1%
Value ($000) $3,046 Shares 846,048 Est. Cost $8.00 Unrealized -8.0%
HARPOON THERAPEUTICS INC 0.1%
Value ($000) $2,699 Shares 285,000 Est. Cost $9.47 Unrealized
STIM NEURONETICS INC 0.1%
Value ($000) $2,425 Shares 159,000 Est. Cost $21.95 Unrealized -24.6%
TNDM TANDEM DIABETES CARE INC 0.1%
Value ($000) $2,254 Shares 35,500 Est. Cost $22.97 Unrealized +128.7%
SVRA SAVARA INC 0.1%
Value ($000) $1,843 Shares 250,000 Est. Cost $11.50 Unrealized -34.5%
EYENOVIA INC 0.1%
Value ($000) $1,797 Shares 300,000 Est. Cost $9.15 Unrealized
IGI LABORATORIES INC 0.1%
Value ($000) $1,688 Shares 1,733,000 Est. Cost $0.93 Unrealized
MENLO THERAPEUTICS INC 0.1%
Value ($000) $1,558 Shares 198,451 Est. Cost $7.85 Unrealized
KIDS ORTHOPEDIATRICS CORP 0.1%
Value ($000) $1,415 Shares 32,000 Est. Cost $19.74 Unrealized +92.7%
MELINTA THERAPEUTICS INC 0.0%
Value ($000) $1,267 Shares 356,952 Est. Cost $3.55 Unrealized
PROTEON THERAPEUTICS INC 0.0%
Value ($000) $616 Shares 1,224,899 Est. Cost $9.96 Unrealized
EYEPOINT PHARMACEUTICALS INC 0.0%
Value ($000) $406 Shares 226,802 Est. Cost $1.79 Unrealized