DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

Location: New York, NY

CIK: 0001009258 · Show all filings

Period: Q4 2016 (← Previous) (Next →)

Filing Date: Feb 14, 2017

Total Value: $2.43B (80.9% shares, 19.1% debt)

Holdings (102)

HORIZON PHARMA PLC 6.0%
Value $145M Shares 8,956,988 Est. Cost Unrealized
NXSTAGE MEDICAL INC 4.6%
Value $112M Shares 4,258,196 Est. Cost Unrealized
AVEXIS INC 4.4%
Value $107M Shares 2,236,701 Est. Cost Unrealized
PORTOLA PHARMACEUTICALS INC 4.3%
Value $104M Shares 4,654,447 Est. Cost Unrealized
GW PHARMACEUTICALS PLC 4.3%
Value $104M Shares 928,192 Est. Cost Unrealized
HORIZON PHARMA INVT LTD 3.2%
Value $78.34M Shares 82,600,000 Est. Cost Unrealized
AERIE PHARMACEUTICALS INC 2.9%
Value $69.6M Shares 1,838,829 Est. Cost Unrealized
MYLAN N V 2.8%
Value $67.39M Shares 1,766,378 Est. Cost Unrealized
ARRAY BIOPHARMA INC 2.6%
Value $62.55M Shares 45,000,000 Est. Cost Unrealized
DBV TECHNOLOGIES S A 2.5%
Value $61.24M Shares 1,743,229 Est. Cost Unrealized
VNDA VANDA PHARMACEUTICALS INC 2.2%
Value $54.62M Shares 3,424,676 Est. Cost Unrealized
NEVRO CORP 2.2%
Value $54.59M Shares 751,298 Est. Cost Unrealized
XNCR XENCOR INC 2.2%
Value $53.17M Shares 2,020,000 Est. Cost Unrealized
BLUEPRINT MEDICINES CORP 2.1%
Value $51.68M Shares 1,842,415 Est. Cost Unrealized
ENDOLOGIX INC 1.9%
Value $46.14M Shares 51,117,000 Est. Cost Unrealized
ELV ANTHEM INC 1.9%
Value $45.72M Shares 318,000 Est. Cost Unrealized
LANNET INC 1.8%
Value $44.27M Shares 2,007,551 Est. Cost Unrealized
FLAMEL TECHNOLOGIES SA 1.7%
Value $42.32M Shares 4,072,809 Est. Cost Unrealized
WRIGHT MED GROUP INC 1.7%
Value $41.82M Shares 40,050,000 Est. Cost Unrealized
TRINITY BIOTECH INVT LTD 1.7%
Value $40.4M Shares 48,000,000 Est. Cost Unrealized
HUM HUMANA INC 1.7%
Value $40.4M Shares 198,000 Est. Cost Unrealized
UNIVERSAL AMERN CORP NEW 1.5%
Value $37.55M Shares 3,774,090 Est. Cost Unrealized
ENDOLOGIX INC 1.5%
Value $35.42M Shares 40,500,000 Est. Cost Unrealized
CNC CENTENE CORP DEL 1.4%
Value $34.11M Shares 603,643 Est. Cost Unrealized
ISIS PHARMACEUTICALS INC DEL 1.4%
Value $33.8M Shares 33,186,000 Est. Cost Unrealized
HEALTHWAYS INC 1.3%
Value $32.38M Shares 25,000,000 Est. Cost Unrealized
AETNA INC NEW 1.2%
Value $30.01M Shares 242,000 Est. Cost Unrealized
NEVRO CORP 1.2%
Value $29.49M Shares 27,600,000 Est. Cost Unrealized
WALGREENS BOOTS ALLIANCE INC 1.2%
Value $29.46M Shares 355,957 Est. Cost Unrealized
MOLINA HEALTHCARE INC 1.2%
Value $28.48M Shares 25,000,000 Est. Cost Unrealized
EHTH EHEALTH INC 1.2%
Value $28.12M Shares 2,640,609 Est. Cost Unrealized
EDIT EDITAS MEDICINE INC 1.1%
Value $27.74M Shares 1,709,400 Est. Cost Unrealized
GLPG GALAPAGOS NV 1.1%
Value $27.16M Shares 423,112 Est. Cost Unrealized
GMED GLOBUS MED INC 1.1%
Value $25.7M Shares 1,036,000 Est. Cost Unrealized
AUDENTES THERAPEUTICS INC 1.1%
Value $25.64M Shares 1,403,653 Est. Cost Unrealized
SYROS PHARMACEUTICALS INC 0.9%
Value $22.04M Shares 1,812,778 Est. Cost Unrealized
ASND ASCENDIS PHARMA A S 0.9%
Value $21.25M Shares 1,050,000 Est. Cost Unrealized
BCRX BIOCRYST PHARMACEUTICALS 0.8%
Value $20.5M Shares 3,237,734 Est. Cost Unrealized
MALLINCKRODT PUB LTD CO 0.8%
Value $20.28M Shares 407,000 Est. Cost Unrealized
EPIZYME INC 0.8%
Value $19.37M Shares 1,601,049 Est. Cost Unrealized
FLUIDIGM CORP DEL 0.8%
Value $19.23M Shares 27,715,000 Est. Cost Unrealized
BLUEBIRD BIO INC 0.8%
Value $18.64M Shares 302,027 Est. Cost Unrealized
MYOVANT SCIENCES LTD 0.8%
Value $18.62M Shares 1,496,675 Est. Cost Unrealized
MYLAN N V 0.7%
Value $17.17M Shares 450,000 Est. Cost Unrealized
CLOVIS ONCOLOGY INC 0.7%
Value $16.98M Shares 16,500,000 Est. Cost Unrealized
RECRO PHARMA INC 0.7%
Value $16.73M Shares 2,075,000 Est. Cost Unrealized
AXGN AXOGEN INC 0.7%
Value $16.54M Shares 1,838,225 Est. Cost Unrealized
ZBH ZIMMER BIOMET HLDGS INC 0.6%
Value $15.48M Shares 150,000 Est. Cost Unrealized
TESARO INC 0.6%
Value $15.09M Shares 112,200 Est. Cost Unrealized
SELECTA BIOSCIENCES INC 0.6%
Value $14.63M Shares 853,205 Est. Cost Unrealized
ARRAY BIOPHARMA INC 0.6%
Value $14.5M Shares 1,650,000 Est. Cost Unrealized
AAC HLDGS INC 0.6%
Value $14.3M Shares 1,975,347 Est. Cost Unrealized
SPARK THERAPEUTICS INC 0.6%
Value $14.12M Shares 283,000 Est. Cost Unrealized
FOAMIX PHARMACEUTICALS LTD 0.6%
Value $13.69M Shares 1,232,844 Est. Cost Unrealized
GKOS GLAUKOS CORP 0.6%
Value $13.49M Shares 393,228 Est. Cost Unrealized
KITE PHARMA INC 0.5%
Value $13.36M Shares 297,902 Est. Cost Unrealized
WVE WAVE LIFE SCIENCES LTD 0.5%
Value $12.35M Shares 472,124 Est. Cost Unrealized
ADEPTUS HEALTH INC 0.5%
Value $12.23M Shares 1,600,861 Est. Cost Unrealized
CTMX CYTOMX THERAPEUTICS INC 0.4%
Value $10.37M Shares 943,433 Est. Cost Unrealized
IONS IONIS PHARMACEUTICALS INC 0.4%
Value $10.24M Shares 214,095 Est. Cost Unrealized
ACRS ACLARIS THERAPEUTICS INC 0.4%
Value $10.18M Shares 375,000 Est. Cost Unrealized
INVUITY INC 0.4%
Value $9.72M Shares 1,690,498 Est. Cost Unrealized
NIVALIS THERAPEUTICS INC 0.3%
Value $8.361M Shares 3,732,412 Est. Cost Unrealized
AKARI THERAPEUTICS PLC 0.3%
Value $8.101M Shares 1,150,700 Est. Cost Unrealized
LOXO ONCOLOGY INC 0.3%
Value $8.061M Shares 251,000 Est. Cost Unrealized
OXFORD IMMUNOTEC GLOBAL PLC 0.3%
Value $7.911M Shares 529,197 Est. Cost Unrealized
KERYX BIOPHARMACEUTICALS INC 0.3%
Value $7.568M Shares 1,291,531 Est. Cost Unrealized
ARALEZ PHARMACEUTICALS INC 0.3%
Value $7.253M Shares 1,644,583 Est. Cost Unrealized
AXOVANT SCIENCES LTD 0.3%
Value $7.055M Shares 568,005 Est. Cost Unrealized
FIVE PRIME THERAPEUTICS INC 0.3%
Value $6.915M Shares 138,000 Est. Cost Unrealized
EXAS EXACT SCIENCES CORP 0.3%
Value $6.68M Shares 500,000 Est. Cost Unrealized
ALIMERA SCIENCES INC 0.3%
Value $6.348M Shares 5,878,015 Est. Cost Unrealized
ADVANCED ACCELERATOR APPLIC 0.2%
Value $5.62M Shares 210,000 Est. Cost Unrealized
MYOKARDIA INC 0.2%
Value $5.501M Shares 424,800 Est. Cost Unrealized
ARDX ARDELYX INC 0.2%
Value $5.306M Shares 373,643 Est. Cost Unrealized
CAS MED SYS INC 0.2%
Value $5.152M Shares 3,200,000 Est. Cost Unrealized
RA PHARMACEUTICALS INC 0.2%
Value $4.916M Shares 323,630 Est. Cost Unrealized
ESSA PHARMA INC 0.2%
Value $4.646M Shares 2,121,601 Est. Cost Unrealized
STEADYMED LTD 0.2%
Value $4.567M Shares 1,756,370 Est. Cost Unrealized
SCYNEXIS INC 0.1%
Value $3.343M Shares 1,048,000 Est. Cost Unrealized
KEMPHARM INC 0.1%
Value $3.199M Shares 1,084,443 Est. Cost Unrealized
NANOSTRING TECHNOLOGIES INC 0.1%
Value $3.1M Shares 139,000 Est. Cost Unrealized
VYGR VOYAGER THERAPEUTICS INC 0.1%
Value $2.998M Shares 235,294 Est. Cost Unrealized
GENOCEA BIOSCIENCES INC 0.1%
Value $2.831M Shares 687,257 Est. Cost Unrealized
SGMO SANGAMO BIOSCIENCES INC 0.1%
Value $2.556M Shares 837,963 Est. Cost Unrealized
PSIVIDA CORP 0.1%
Value $2.553M Shares 1,492,824 Est. Cost Unrealized
PROTEON THERAPEUTICS INC 0.1%
Value $2.532M Shares 1,332,599 Est. Cost Unrealized
GLOBAL BLOOD THERAPEUTICS IN 0.1%
Value $2.477M Shares 171,428 Est. Cost Unrealized
CATABASIS PHARMACEUTICALS IN 0.1%
Value $2.465M Shares 682,940 Est. Cost Unrealized
PROTEOSTASIS THERAPEUTICS IN 0.1%
Value $2.28M Shares 186,000 Est. Cost Unrealized
AGILE THERAPEUTICS INC 0.1%
Value $2.269M Shares 398,000 Est. Cost Unrealized
CELLDEX THERAPEUTICS INC NEW 0.1%
Value $2.241M Shares 632,944 Est. Cost Unrealized
BIOSCRIP INC 0.1%
Value $2.05M Shares 1,971,228 Est. Cost Unrealized
PRONAI THERAPEUTICS INC 0.1%
Value $1.738M Shares 1,166,619 Est. Cost Unrealized
HEALTHWAYS INC 0.1%
Value $1.729M Shares 76,000 Est. Cost Unrealized
PARATEK PHARMACEUTICALS INC 0.1%
Value $1.54M Shares 100,000 Est. Cost Unrealized
NOVELION THERAPEUTICS INC 0.1%
Value $1.435M Shares 170,454 Est. Cost Unrealized
NEOS THERAPEUTICS INC 0.1%
Value $1.341M Shares 229,166 Est. Cost Unrealized
OCERA THERAPEUTICS INC 0.0%
Value $1.203M Shares 572,893 Est. Cost Unrealized
THRESHOLD PHARMACEUTICAL INC 0.0%
Value $971K Shares 2,202,160 Est. Cost Unrealized
STREAMLINE HEALTH SOLUTIONS 0.0%
Value $829K Shares 662,971 Est. Cost Unrealized
ACUR ACURA PHARMACEUTICALS INC 0.0%
Value $786K Shares 1,025,641 Est. Cost Unrealized