DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

Location: New York, NY

CIK: 0001009258 · Show all filings

Period: Q1 2017 (← Previous) (Next →)

Filing Date: May 15, 2017

Total Value: $2.593B (78.9% shares, 21.1% debt)

Holdings (106)

AVEXIS INC 6.6%
Value $170M Shares 2,236,701 Est. Cost Unrealized
HORIZON PHARMA PLC 6.2%
Value $162M Shares 10,944,988 Est. Cost Unrealized
NXSTAGE MEDICAL INC 3.9%
Value $100M Shares 3,744,151 Est. Cost Unrealized
HORIZON PHARMA INVT LTD 3.2%
Value $83.28M Shares 90,100,000 Est. Cost Unrealized
GILD GILEAD SCIENCES INC 3.2%
Value $81.71M Shares 1,203,000 Est. Cost Unrealized
MYLAN N V 3.1%
Value $79.63M Shares 2,042,224 Est. Cost Unrealized
DBV TECHNOLOGIES S A 2.4%
Value $61.4M Shares 1,743,229 Est. Cost Unrealized
ISIS PHARMACEUTICALS INC DEL 2.3%
Value $60.24M Shares 62,500,000 Est. Cost Unrealized
PORTOLA PHARMACEUTICALS INC 2.2%
Value $56.88M Shares 1,451,301 Est. Cost Unrealized
BLUEPRINT MEDICINES CORP 2.1%
Value $54.59M Shares 1,365,000 Est. Cost Unrealized
ELV ANTHEM INC 2.0%
Value $52.59M Shares 318,000 Est. Cost Unrealized
GW PHARMACEUTICALS PLC 2.0%
Value $51.47M Shares 425,545 Est. Cost Unrealized
ENDOLOGIX INC 1.9%
Value $49.22M Shares 51,117,000 Est. Cost Unrealized
KEMPHARM INC 1.8%
Value $45.72M Shares 75,000,000 Est. Cost Unrealized
CNC CENTENE CORP DEL 1.7%
Value $43.02M Shares 603,643 Est. Cost Unrealized
LANNET INC 1.6%
Value $41.44M Shares 1,853,896 Est. Cost Unrealized
ENDOLOGIX INC 1.5%
Value $40.01M Shares 40,500,000 Est. Cost Unrealized
INTERCEPT PHARMACEUTICALS IN 1.5%
Value $39.54M Shares 42,500,000 Est. Cost Unrealized
AVADEL PHARMACEUTICALS PLC 1.5%
Value $39.42M Shares 4,072,809 Est. Cost Unrealized
TRINITY BIOTECH INVT LTD 1.5%
Value $38.92M Shares 48,000,000 Est. Cost Unrealized
EDIT EDITAS MEDICINE INC 1.5%
Value $38.15M Shares 1,709,400 Est. Cost Unrealized
NEVRO CORP 1.5%
Value $37.76M Shares 402,998 Est. Cost Unrealized
MOLINA HEALTHCARE INC 1.4%
Value $37.14M Shares 35,000,000 Est. Cost Unrealized
AERIE PHARMACEUTICALS INC 1.4%
Value $36.09M Shares 795,743 Est. Cost Unrealized
AETNA INC NEW 1.3%
Value $34.06M Shares 267,000 Est. Cost Unrealized
MCK MCKESSON CORP 1.3%
Value $33.95M Shares 229,000 Est. Cost Unrealized
NEVRO CORP 1.3%
Value $33.56M Shares 27,600,000 Est. Cost Unrealized
MALLINCKRODT PUB LTD CO 1.3%
Value $32.49M Shares 728,949 Est. Cost Unrealized
VNDA VANDA PHARMACEUTICALS INC 1.2%
Value $32.19M Shares 2,299,046 Est. Cost Unrealized
ARRAY BIOPHARMA INC 1.2%
Value $31.92M Shares 22,385,000 Est. Cost Unrealized
EHTH EHEALTH INC 1.2%
Value $31.79M Shares 2,640,609 Est. Cost Unrealized
LOXO ONCOLOGY INC 1.2%
Value $31.7M Shares 753,300 Est. Cost Unrealized
XNCR XENCOR INC 1.2%
Value $30.73M Shares 1,284,758 Est. Cost Unrealized
WALGREENS BOOTS ALLIANCE INC 1.1%
Value $29.56M Shares 355,957 Est. Cost Unrealized
UNIVERSAL AMERN CORP NEW 1.1%
Value $28.25M Shares 2,833,531 Est. Cost Unrealized
ASND ASCENDIS PHARMA A S 1.0%
Value $26.02M Shares 929,226 Est. Cost Unrealized
BCRX BIOCRYST PHARMACEUTICALS 1.0%
Value $25.92M Shares 3,085,236 Est. Cost Unrealized
SYROS PHARMACEUTICALS INC 1.0%
Value $25.73M Shares 1,615,136 Est. Cost Unrealized
EPIZYME INC 0.9%
Value $24.24M Shares 1,413,596 Est. Cost Unrealized
WRIGHT MED GROUP INC 0.9%
Value $23.99M Shares 20,025,000 Est. Cost Unrealized
AUDENTES THERAPEUTICS INC 0.9%
Value $23.92M Shares 1,403,653 Est. Cost Unrealized
ANAB ANAPTYSBIO INC 0.9%
Value $23.47M Shares 845,746 Est. Cost Unrealized
GLPG GALAPAGOS NV 0.9%
Value $22.39M Shares 259,768 Est. Cost Unrealized
ADVANCED ACCELERATOR APPLIC 0.8%
Value $20.85M Shares 523,023 Est. Cost Unrealized
AXGN AXOGEN INC 0.7%
Value $19.21M Shares 1,838,225 Est. Cost Unrealized
FLUIDIGM CORP DEL 0.7%
Value $18.64M Shares 27,715,000 Est. Cost Unrealized
RECRO PHARMA INC 0.7%
Value $18.14M Shares 2,075,000 Est. Cost Unrealized
HEALTHWAYS INC 0.7%
Value $17.9M Shares 11,600,000 Est. Cost Unrealized
MYLAN N V 0.7%
Value $17.55M Shares 450,000 Est. Cost Unrealized
AAC HLDGS INC 0.6%
Value $16.85M Shares 1,975,347 Est. Cost Unrealized
VALEANT PHARMACEUTICALS INTL 0.6%
Value $16.55M Shares 1,500,000 Est. Cost Unrealized
CTMX CYTOMX THERAPEUTICS INC 0.6%
Value $16.29M Shares 943,433 Est. Cost Unrealized
SELECTA BIOSCIENCES INC 0.6%
Value $15.18M Shares 1,060,000 Est. Cost Unrealized
NEOS THERAPEUTICS INC 0.6%
Value $15.11M Shares 2,099,166 Est. Cost Unrealized
SPARK THERAPEUTICS INC 0.6%
Value $15.1M Shares 283,000 Est. Cost Unrealized
HUM HUMANA INC 0.6%
Value $14.26M Shares 69,185 Est. Cost Unrealized
IMPAX LABORATORIES INC 0.5%
Value $13.87M Shares 17,000,000 Est. Cost Unrealized
INVUITY INC 0.5%
Value $13.44M Shares 1,690,498 Est. Cost Unrealized
WVE WAVE LIFE SCIENCES LTD 0.5%
Value $12.98M Shares 472,124 Est. Cost Unrealized
AKARI THERAPEUTICS PLC 0.5%
Value $12.74M Shares 1,150,700 Est. Cost Unrealized
ACRS ACLARIS THERAPEUTICS INC 0.4%
Value $11.18M Shares 375,000 Est. Cost Unrealized
NIVALIS THERAPEUTICS INC 0.4%
Value $10.9M Shares 3,732,412 Est. Cost Unrealized
ARDX ARDELYX INC 0.4%
Value $10.65M Shares 841,744 Est. Cost Unrealized
JOUNCE THERAPEUTICS INC 0.4%
Value $10.31M Shares 468,867 Est. Cost Unrealized
ARRAY BIOPHARMA INC 0.4%
Value $10.22M Shares 1,142,744 Est. Cost Unrealized
STEADYMED LTD 0.4%
Value $10.19M Shares 1,756,370 Est. Cost Unrealized
TESARO INC 0.4%
Value $10.15M Shares 66,000 Est. Cost Unrealized
BLUEBIRD BIO INC 0.4%
Value $9.732M Shares 107,064 Est. Cost Unrealized
ALLSCRIPTS HEALTHCARE SOLUTN 0.4%
Value $9.718M Shares 9,671,000 Est. Cost Unrealized
OXFORD IMMUNOTEC GLOBAL PLC 0.4%
Value $9.55M Shares 616,508 Est. Cost Unrealized
DXCM DEXCOM INC 0.4%
Value $9.404M Shares 110,992 Est. Cost Unrealized
GKOS GLAUKOS CORP 0.4%
Value $9.234M Shares 180,000 Est. Cost Unrealized
GMED GLOBUS MED INC 0.4%
Value $9.123M Shares 308,000 Est. Cost Unrealized
SAGE THERAPEUTICS INC 0.3%
Value $8.671M Shares 122,000 Est. Cost Unrealized
AXOVANT SCIENCES LTD 0.3%
Value $8.486M Shares 568,005 Est. Cost Unrealized
MYOVANT SCIENCES LTD 0.3%
Value $8.28M Shares 705,268 Est. Cost Unrealized
ALIMERA SCIENCES INC 0.3%
Value $8.229M Shares 5,878,015 Est. Cost Unrealized
TGTX TG THERAPEUTICS INC 0.3%
Value $8.155M Shares 700,000 Est. Cost Unrealized
SIERRA ONCOLOGY INC 0.3%
Value $7.608M Shares 4,972,319 Est. Cost Unrealized
NANOSTRING TECHNOLOGIES INC 0.3%
Value $7.002M Shares 352,375 Est. Cost Unrealized
ESSA PHARMA INC 0.3%
Value $6.619M Shares 2,121,601 Est. Cost Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 0.2%
Value $6.361M Shares 1,969,225 Est. Cost Unrealized
KITE PHARMA INC 0.2%
Value $6.358M Shares 81,000 Est. Cost Unrealized
MYOKARDIA INC 0.2%
Value $5.586M Shares 424,800 Est. Cost Unrealized
KEMPHARM INC 0.2%
Value $5.314M Shares 1,084,443 Est. Cost Unrealized
FIVE PRIME THERAPEUTICS INC 0.2%
Value $4.989M Shares 138,000 Est. Cost Unrealized
SGMO SANGAMO THERAPEUTICS INC 0.2%
Value $4.357M Shares 837,963 Est. Cost Unrealized
ACORDA THERAPEUTICS INC 0.2%
Value $4.249M Shares 5,000,000 Est. Cost Unrealized
FOAMIX PHARMACEUTICALS LTD 0.2%
Value $4.046M Shares 817,435 Est. Cost Unrealized
RA PHARMACEUTICALS INC 0.1%
Value $3.786M Shares 177,830 Est. Cost Unrealized
ARALEZ PHARMACEUTICALS INC 0.1%
Value $3.519M Shares 1,644,583 Est. Cost Unrealized
BIOSCRIP INC 0.1%
Value $3.351M Shares 1,971,228 Est. Cost Unrealized
AGILE THERAPEUTICS INC 0.1%
Value $3.114M Shares 971,739 Est. Cost Unrealized
GENOCEA BIOSCIENCES INC 0.1%
Value $2.917M Shares 479,000 Est. Cost Unrealized
SCYNEXIS INC 0.1%
Value $2.892M Shares 1,048,000 Est. Cost Unrealized
ADEPTUS HEALTH INC 0.1%
Value $2.882M Shares 1,600,861 Est. Cost Unrealized
CAS MED SYS INC 0.1%
Value $2.608M Shares 1,798,434 Est. Cost Unrealized
PSIVIDA CORP 0.1%
Value $2.568M Shares 1,492,824 Est. Cost Unrealized
PROTEON THERAPEUTICS INC 0.1%
Value $2.332M Shares 1,332,599 Est. Cost Unrealized
TIVITY HEALTH INC 0.1%
Value $2.212M Shares 76,000 Est. Cost Unrealized
VYGR VOYAGER THERAPEUTICS INC 0.1%
Value $1.558M Shares 117,647 Est. Cost Unrealized
THRESHOLD PHARMACEUTICAL INC 0.0%
Value $1.255M Shares 2,202,160 Est. Cost Unrealized
CRVS CORVUS PHARMACEUTICALS INC 0.0%
Value $767K Shares 36,931 Est. Cost Unrealized
STREAMLINE HEALTH SOLUTIONS 0.0%
Value $676K Shares 662,971 Est. Cost Unrealized
SNDX SYNDAX PHARMACEUTICALS INC 0.0%
Value $523K Shares 38,130 Est. Cost Unrealized
OBALON THERAPEUTICS INC 0.0%
Value $224K Shares 20,953 Est. Cost Unrealized