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13F-HR filed by DEERFIELD MANAGEMENT COMPANY, L.P.

DEERFIELD MANAGEMENT COMPANY, L.P. filed this 13F-HR for the quarter ended 2017-12-31, filed 2018-02-14, with 98 holding rows worth $2,540,877,000.

Accession
0001140361-18-008191
Filed
2018-02-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q4 2017

A holdings report, 98 entries on the cover page, a total value of $2,540,877,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $2,540,877,000 with VALUE read as thousands by filing date, 13F file number 028-05366. The quarter's positions are built on this report. The resolved quarter.

Other managers

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
Mallinckrodt PlcG5785G107SHS5,766,000$130,081,000thousands by filing date
MYLAN NVN59465109SHS EURO2,503,611$105,928,000thousands by filing date
HORIZON PHARMA PLCG4617B105SHS6,341,894$92,592,000thousands by filing date
DEXCOM INC COM252131107Stock1,534,211$88,048,000thousands by filing date
GLAUKOS CORP COM377322102Stock3,343,045$85,749,000thousands by filing date
AVEXIS INC05366U100COM755,798$83,644,000thousands by filing date
ANAPTYSBIO INC032724106COM812,484$81,833,000thousands by filing date
HORIZON PHARMA INVT LTD44052TAB7NOTE 2.500% 3/174,100,000$68,886,000thousands by filing dateprincipal
LANNETT COMPANY INCORPORATED516012101COM2,717,287$63,041,000thousands by filing date
MCKESSON CORP COM58155Q103Stock394,801$61,569,000thousands by filing date
ACLARIS THERAPEUTICS INC COM00461U105Stock2,233,416$55,076,000thousands by filing date
EDITAS MEDICINE INC28106W103COM1,709,400$52,530,000thousands by filing date
DBV TECHNOLOGIES S A23306J101ADR2,105,180$51,787,000thousands by filing date
ARENA PHARMACEUTICALS INC040047607COM NEW1,522,566$51,722,000thousands by filing date
INSULET CORP COM45784P101Stock705,573$48,685,000thousands by filing date
ISIS PHARMACEUTICALS INC DEL464337AJ3NOTE 1.000%11/145,700,000$48,392,000thousands by filing dateprincipal
INTERSECT ENT INC46071F103COM1,468,341$47,574,000thousands by filing date
KEMPHARM INC488445AB3NOTE 5.500 2/075,000,000$45,750,000thousands by filing dateprincipal
GW PHARMACEUTICALS PLC36197T103ADS339,180$44,775,000thousands by filing date
MOLINA HEALTHCARE INC60855R100COM568,000$43,554,000thousands by filing date
MYOKARDIA INC62857M105COM1,000,680$42,129,000thousands by filing date
TRINITY BIOTECH INVT LTD89643QAB4NOTE 4.000% 4/048,000,000$39,492,000thousands by filing dateprincipal
AUDENTES THERAPEUTICS INC.05070R104Common Stock1,190,516$37,204,000thousands by filing date
ENDOLOGIX INC29266SAB2NOTE 3.25011/040,500,000$36,112,000thousands by filing dateprincipal
REVANCE THERAPEUTICS INC761330109COM1,000,000$35,750,000thousands by filing date
BIOCRYST PHARMACEUTICALS INC COM09058V103Stock7,213,393$35,418,000thousands by filing date
SELECT MED HLDGS CORP81619Q105COM1,858,000$32,794,000thousands by filing date
AVADEL PHARMACEUTICALS, PLC05337M104COMMON STOCK-FO3,955,494$32,435,000thousands by filing date
ASCENDIS PHARMA A/S DKK 1.0 AD04351P101SPONSORED ADR789,000$31,607,000thousands by filing date
DAVITA INC COM23918K108Stock425,000$30,706,000thousands by filing date
BLUEPRINT MEDICINES CORP09627Y109COM396,000$29,862,000thousands by filing date
Elevance Health, Inc.036752103COM130,000$29,251,000thousands by filing date
AERIE PHARMACEUTICALS INC00771V108COM484,055$28,922,000thousands by filing date
NEVRO CORP64157FAA1BOND27,600,000$28,890,000thousands by filing dateprincipal
INTERCEPT PHARMACEUTICALS IN45845PAA6NOTE 3.250% 7/036,000,000$28,879,000thousands by filing dateprincipal
NATERA INC COM632307104Stock2,920,856$26,258,000thousands by filing date
ACCELERON PHARMA INC00434H108COM615,000$26,101,000thousands by filing date
ACADIA HEALTHCARE COMPANY INC COM00404A109Stock741,016$24,179,000thousands by filing date
ENVISION HEALTHCARE CORP29414D100COM676,000$23,363,000thousands by filing date
ARGENX SE SPONSORED ADR04016X101ADR365,961$23,107,000thousands by filing date
K2M GROUP HLDGS INC48273JAB3NOTE 4.125% 8/120,000,000$22,847,000thousands by filing dateprincipal
ASSERTIO THERAPEUTICS INC249908AA2NOTE 2.500% 9/027,019,000$22,776,000thousands by filing dateprincipal
AMAG PHARMACEUTICALS INC00163UAD8NOTE 3.250% 6/025,250,000$21,759,000thousands by filing dateprincipal
IMMUNOMEDICS INC452907108COM1,300,448$21,015,000thousands by filing date
OXFORD IMMUNOTEC GLOBAL PLCG6855A103ORD SHS1,264,000$17,658,000thousands by filing date
EHEALTH INC28238P109COM1,013,916$17,612,000thousands by filing date
SOCIETAL CDMO INC75629F109COM1,901,685$17,591,000thousands by filing date
RHYTHM PHARMACEUTICALS INC76243J105COM582,010$16,913,000thousands by filing date
AMERISOURCEBERGEN COR000307108COMMON1,873,276$16,859,000thousands by filing date
ARDELYX INC039697107COM2,469,580$16,299,000thousands by filing date
CYTOMX THERAPEUTICS INC23284F105COMMON STOCK753,322$15,903,000thousands by filing date
INVITAE CORP46185L103COM1,723,000$15,645,000thousands by filing date
AGIOS PHARMACEUTICALS INC00847X104COM262,984$15,035,000thousands by filing date
UNIVERSAL HLTH SVCS INC CL B913903100Stock132,000$14,962,000thousands by filing date
PORTOLA PHARMACEUTICALS INC COM737010108Stock298,545$14,533,000thousands by filing date
BLUEBIRD BIO INC09609G100COM80,000$14,248,000thousands by filing date
LOXO ONCOLOGY INC548862101COM169,000$14,226,000thousands by filing date
AEGERION PHARMACEUTICALS INC00767EAB8NOTE 2.000 8/116,600,000$13,195,000thousands by filing dateprincipal
EPIZYME INC29428V104COM1,009,526$12,670,000thousands by filing date
SYROS PHARMACEUTICALS INC87184Q107COM1,268,945$12,347,000thousands by filing date
LAKEFRONT BIOTHERAPEUTICS NV36315X101SPON ADR130,000$12,189,000thousands by filing date
XENCOR INC98401F105COMMON STOCK522,000$11,442,000thousands by filing date
APELLIS PHARMACEUTICALS INC03753U106COM513,000$11,132,000thousands by filing date
WAVE LIFE SCIENCES LTD SHSY95308105Stock314,674$11,045,000thousands by filing date
REATA PHARMACEUTICALS INC75615P103CL A390,000$11,045,000thousands by filing date
WALGREENS BOOTS ALLIANCE INC931427108COM145,000$10,530,000thousands by filing date
ALLSCRIPTS HEALTHCARE SOLUTN01988PAD0NOTE 1.250% 7/09,671,000$10,351,000thousands by filing dateprincipal
ALPINE IMMUNE SCIENCES INC02083G100COM913,100$10,227,000thousands by filing date
FIVE PRIME THERAPEUTICS INC.33830X104Common Stock450,728$9,880,000thousands by filing date
BIOHAVEN PHARMACEUTICAL HOLDING11196105COM341,000$9,200,000thousands by filing date
BIOSCRIP INC09069N108COM3,124,000$9,091,000thousands by filing date
REGENXBIO INC75901B107COM256,300$8,522,000thousands by filing date
SYNLOGIC INC87166L100COM850,143$8,246,000thousands by filing date
ALIMERA SCIENCES INC016259103COM6,052,935$8,050,000thousands by filing date
DECIPHERA PHARMACEUTICALS IN24344T101COM336,009$7,617,000thousands by filing date
NEOS THERAPEUTICS INC64052L106COM745,767$7,607,000thousands by filing date
INVUITY INC46187J205COM NEW1,177,229$7,299,000thousands by filing date
MIRATI THERAPEUTICS INC60468T105COM375,000$6,844,000thousands by filing date
MCKESSON CORP COM58155Q103Stock43,200$6,737,000thousands by filing datecall
SIERRA ONCOLOGY INC82640U107COM1,761,092$6,569,000thousands by filing date
Allena Pharmaceuticals, Inc.018119107COM605,100$6,087,000thousands by filing date
STEADYMED LTDM84920103SHS1,418,787$5,250,000thousands by filing date
PROTAGONIST THERAPEUTICS74366E102COM225,000$4,680,000thousands by filing date
EIGER BIOPHARMACEUTICALS INC28249U105COM300,000$4,185,000thousands by filing date
Inflarx NvN44821101COM175,000$3,666,000thousands by filing date
TESARO INC881569107COM42,893$3,555,000thousands by filing date
FOAMIX PHARMACEUTICALS LTDM46135105SHS501,000$3,011,000thousands by filing date
OBALON THERAPEUTICS INC67424L100COM446,284$2,950,000thousands by filing date
ARALEZ PHARMACEUTICALS INC03852X100COM1,644,583$2,335,000thousands by filing date
PROTEON THERAPEUTICS INC74371L109COM1,224,899$2,327,000thousands by filing date
PFENEX INC717071104COM830,216$2,208,000thousands by filing date
VOYAGER THERAPEUTICS INC92915B106COMMON STOCK117,647$1,953,000thousands by filing date
MIMEDX GROUP INC602496101COM150,000$1,892,000thousands by filing date
Arsanis Inc042873109COM131,548$1,679,000thousands by filing date
ORTHOPEDIATRICS CORP68752L100COMMON STOCK58,247$1,118,000thousands by filing date
AKARI THERAPEUTICS PLC00972G108ADR249,785$1,082,000thousands by filing date
NUCANA PLC67022C106ADR82,637$835,000thousands by filing date
RA PHARMACEUTICALS INC74933V108COM79,150$673,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001140361-18-008191this filing2018-02-14acceptance time not in the bulk data set