DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

CIK: 0001009258 · Show all filings

Period: Q1 2015 (← Previous) (Next →)

Filing Date: Aug 14, 2015

Total Value ($000): $3,087,400

Holdings (124)

AUSPEX PHARMACEUTICALS INC 14.4%
Value ($000) $446,112 Shares 4,449,103 Est. Cost $55.72 Unrealized
HORIZON PHARMA PLC 10.8%
Value ($000) $332,226 Shares 12,792,689 Est. Cost $13.75 Unrealized
ALLSCRIPTS HEALTHCARE SOLUTN 3.2%
Value ($000) $98,882 Shares 100,750,000 Est. Cost $0.98 Unrealized
ABBV ABBVIE INC 2.9%
Value ($000) $89,800 Shares 1,534,000 Est. Cost $38.85 Unrealized 0.0%
NXSTAGE MEDICAL INC 2.8%
Value ($000) $87,764 Shares 5,073,050 Est. Cost $13.85 Unrealized
ARRAY BIOPHARMA INC 2.8%
Value ($000) $87,221 Shares 11,834,595 Est. Cost $4.58 Unrealized
AVALANCHE BIOTECHNOLOGIES IN 2.8%
Value ($000) $85,800 Shares 2,117,473 Est. Cost $35.69 Unrealized
HORIZON PHARMA INC 2.5%
Value ($000) $78,189 Shares 16,014,461 Est. Cost $2.60 Unrealized
BLUEBIRD BIO INC 2.5%
Value ($000) $76,243 Shares 631,309 Est. Cost $34.35 Unrealized
FLAMEL TECHNOLOGIES SA 2.4%
Value ($000) $73,229 Shares 4,072,809 Est. Cost $7.42 Unrealized
DVA DAVITA HEALTHCARE PARTNERS I 1.9%
Value ($000) $59,334 Shares 730,000 Est. Cost $69.20 Unrealized +10.9%
ARRAY BIOPHARMA INC 1.8%
Value ($000) $56,037 Shares 45,000,000 Est. Cost $0.94 Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 1.8%
Value ($000) $55,475 Shares 3,968,155 Est. Cost $21.54 Unrealized -29.0%
UNIVERSAL AMERN CORP NEW 1.8%
Value ($000) $55,388 Shares 5,186,148 Est. Cost $8.30 Unrealized
INTEGRA LIFESCIENCES HLDGS C 1.8%
Value ($000) $54,556 Shares 47,428,000 Est. Cost $0.99 Unrealized
SPARK THERAPEUTICS INC 1.6%
Value ($000) $48,917 Shares 631,192 Est. Cost $77.50 Unrealized
WALGREENS BOOTS ALLIANCE INC 1.4%
Value ($000) $43,424 Shares 512,800 Est. Cost $84.68 Unrealized
ZAFGEN INC 1.3%
Value ($000) $41,598 Shares 1,050,178 Est. Cost $39.61 Unrealized
ARENA PHARMACEUTICALS INC 1.3%
Value ($000) $40,332 Shares 9,229,379 Est. Cost $5.18 Unrealized
GLAXOSMITHKLINE PLC 1.3%
Value ($000) $40,297 Shares 873,185 Est. Cost $45.43 Unrealized
ENDOLOGIX INC 1.3%
Value ($000) $40,103 Shares 2,349,351 Est. Cost $13.37 Unrealized
VNDA VANDA PHARMACEUTICALS INC 1.2%
Value ($000) $38,448 Shares 4,134,157 Est. Cost $12.24 Unrealized -7.7%
ENDOLOGIX INC 1.1%
Value ($000) $35,203 Shares 34,925,000 Est. Cost $0.95 Unrealized
INSM INSMED INC 1.1%
Value ($000) $33,873 Shares 1,628,531 Est. Cost $15.08 Unrealized +16.9%
GW PHARMACEUTICALS PLC 1.1%
Value ($000) $33,144 Shares 363,700 Est. Cost $91.13 Unrealized
ANTARES PHARMA INC 1.1%
Value ($000) $32,732 Shares 12,078,318 Est. Cost $3.66 Unrealized
EHTH EHEALTH INC 1.0%
Value ($000) $30,622 Shares 3,264,588 Est. Cost $28.61 Unrealized -58.3%
AETNA INC NEW 1.0%
Value ($000) $30,286 Shares 284,300 Est. Cost $106.53 Unrealized
SAGE THERAPEUTICS INC 1.0%
Value ($000) $29,909 Shares 595,443 Est. Cost $41.97 Unrealized
XNCR XENCOR INC 0.9%
Value ($000) $29,040 Shares 1,895,535 Est. Cost $15.78 Unrealized 0.0%
ACHILLION PHARMACEUTICALS IN 0.9%
Value ($000) $27,708 Shares 2,810,164 Est. Cost $12.25 Unrealized
ACCURAY INC 0.9%
Value ($000) $26,694 Shares 24,100,000 Est. Cost $1.00 Unrealized
WEBMD HEALTH CORP 0.8%
Value ($000) $24,433 Shares 23,000,000 Est. Cost $1.01 Unrealized
HEARTWARE INTL INC 0.8%
Value ($000) $23,227 Shares 20,464,000 Est. Cost $1.06 Unrealized
CRL CHARLES RIV LABS INTL INC 0.7%
Value ($000) $22,950 Shares 289,450 Est. Cost $73.77 Unrealized 0.0%
OM2 ORTHOFIX INTL N V 0.7%
Value ($000) $22,619 Shares 630,222 Est. Cost $31.03 Unrealized
ALIMERA SCIENCES INC 0.7%
Value ($000) $22,147 Shares 4,420,580 Est. Cost $6.18 Unrealized
PORTOLA PHARMACEUTICALS INC 0.7%
Value ($000) $21,810 Shares 574,546 Est. Cost $25.99 Unrealized
MCK MCKESSON CORP 0.7%
Value ($000) $20,810 Shares 92,000 Est. Cost $160.13 Unrealized +27.6%
LOXO ONCOLOGY INC 0.6%
Value ($000) $19,815 Shares 1,591,546 Est. Cost $13.13 Unrealized
GILD GILEAD SCIENCES INC 0.6%
Value ($000) $19,626 Shares 200,000 Est. Cost Unrealized
INGN INOGEN INC 0.6%
Value ($000) $19,251 Shares 601,772 Est. Cost $23.59 Unrealized +36.8%
AERIE PHARMACEUTICALS INC 0.6%
Value ($000) $18,996 Shares 606,118 Est. Cost $21.77 Unrealized
DYAX CORP 0.6%
Value ($000) $18,957 Shares 1,131,414 Est. Cost $7.97 Unrealized
HUM HUMANA INC 0.6%
Value ($000) $18,924 Shares 106,300 Est. Cost $145.13 Unrealized 0.0%
PACB PACIFIC BIOSCIENCES CALIF IN 0.6%
Value ($000) $17,802 Shares 3,048,310 Est. Cost $3.68 Unrealized +87.2%
TRUP TRUPANION INC 0.5%
Value ($000) $16,815 Shares 2,101,848 Est. Cost $8.03 Unrealized -5.4%
NUVASIVE INC 0.5%
Value ($000) $15,554 Shares 338,194 Est. Cost $45.99 Unrealized
ELV ANTHEM INC 0.5%
Value ($000) $15,401 Shares 99,742 Est. Cost $122.05 Unrealized 0.0%
NANOSTRING TECHNOLOGIES INC 0.5%
Value ($000) $14,884 Shares 1,460,652 Est. Cost $11.15 Unrealized
PROTEON THERAPEUTICS INC 0.5%
Value ($000) $14,716 Shares 1,265,343 Est. Cost $10.40 Unrealized
IMPRIVATA INC 0.5%
Value ($000) $14,359 Shares 1,025,652 Est. Cost $15.41 Unrealized
OVASCIENCE INC 0.5%
Value ($000) $14,139 Shares 407,108 Est. Cost $10.56 Unrealized
AAC HLDGS INC 0.4%
Value ($000) $13,649 Shares 446,328 Est. Cost $30.58 Unrealized
AXGN AXOGEN INC 0.4%
Value ($000) $13,548 Shares 3,870,824 Est. Cost $3.20 Unrealized +7.6%
THERAPEUTICSMD INC 0.4%
Value ($000) $13,451 Shares 2,223,310 Est. Cost $6.05 Unrealized
JUNO THERAPEUTICS INC 0.4%
Value ($000) $11,110 Shares 183,149 Est. Cost $52.22 Unrealized
STEADYMED LTD 0.3%
Value ($000) $10,776 Shares 1,267,733 Est. Cost $8.50 Unrealized
FLUIDIGM CORP DEL 0.3%
Value ($000) $10,632 Shares 10,000,000 Est. Cost $0.91 Unrealized
TRIVASCULAR TECHNOLOGIES INC 0.3%
Value ($000) $10,387 Shares 990,202 Est. Cost $15.53 Unrealized
EXEL EXELIXIS INC 0.3%
Value ($000) $10,280 Shares 4,000,000 Est. Cost Unrealized
GENNQ GENESIS HEALTHCARE INC 0.3%
Value ($000) $10,198 Shares 1,432,368 Est. Cost $7.91 Unrealized 0.0%
GENOCEA BIOSCIENCES INC 0.3%
Value ($000) $10,013 Shares 844,257 Est. Cost $14.96 Unrealized
ADEPTUS HEALTH INC 0.3%
Value ($000) $9,974 Shares 198,600 Est. Cost $42.18 Unrealized
KERYX BIOPHARMACEUTICALS INC 0.3%
Value ($000) $9,744 Shares 765,450 Est. Cost $12.52 Unrealized
IMMUNOMEDICS INC 0.3%
Value ($000) $9,598 Shares 2,505,972 Est. Cost $4.17 Unrealized
TONIX PHARMACEUTICALS HLDG C 0.3%
Value ($000) $8,627 Shares 1,365,000 Est. Cost $6.32 Unrealized
RIGEL PHARMACEUTICALS INC 0.3%
Value ($000) $8,560 Shares 2,397,855 Est. Cost $3.57 Unrealized
DERMA SCIENCES INC 0.3%
Value ($000) $8,394 Shares 991,040 Est. Cost $10.56 Unrealized
ALCOBRA LTD 0.3%
Value ($000) $7,956 Shares 1,413,208 Est. Cost $5.63 Unrealized
HEALTHWAYS INC 0.3%
Value ($000) $7,816 Shares 6,700,000 Est. Cost $1.17 Unrealized
SYNERON MEDICAL LTD 0.3%
Value ($000) $7,745 Shares 625,593 Est. Cost $12.38 Unrealized
OXFORD IMMUNOTEC GLOBAL PLC 0.2%
Value ($000) $7,353 Shares 522,250 Est. Cost $14.08 Unrealized
ALPHATEC HOLDINGS INC 0.2%
Value ($000) $7,225 Shares 4,982,738 Est. Cost $1.92 Unrealized
DBV TECHNOLOGIES S A 0.2%
Value ($000) $6,964 Shares 298,121 Est. Cost $27.12 Unrealized
TRACON PHARMACEUTICALS INC 0.2%
Value ($000) $6,809 Shares 485,000 Est. Cost $14.04 Unrealized
AMPH AMPHASTAR PHARMACEUTICALS IN 0.2%
Value ($000) $6,710 Shares 448,532 Est. Cost $10.42 Unrealized +28.3%
STREAMLINE HEALTH SOLUTIONS 0.2%
Value ($000) $6,471 Shares 1,822,759 Est. Cost $5.28 Unrealized
FOAMIX PHARMACEUTICALS LTD 0.2%
Value ($000) $6,287 Shares 679,627 Est. Cost $6.07 Unrealized
VERSARTIS INC 0.2%
Value ($000) $6,240 Shares 339,703 Est. Cost $18.37 Unrealized
ZS PHARMA INC 0.2%
Value ($000) $6,202 Shares 147,385 Est. Cost $42.08 Unrealized
BIOTELEMETRY INC 0.2%
Value ($000) $5,702 Shares 644,300 Est. Cost $7.43 Unrealized
CLLS CELLECTIS S A 0.2%
Value ($000) $5,204 Shares 150,506 Est. Cost $34.58 Unrealized
LUMENIS LTD 0.2%
Value ($000) $5,202 Shares 434,566 Est. Cost $9.33 Unrealized
CARA THERAPEUTICS INC 0.2%
Value ($000) $4,760 Shares 473,588 Est. Cost $8.69 Unrealized
PRQR PROQR THRAPEUTICS N V 0.1%
Value ($000) $4,582 Shares 209,398 Est. Cost $16.02 Unrealized +28.9%
TRILLIUM THERAPEUTICS INC 0.1%
Value ($000) $4,573 Shares 226,064 Est. Cost $20.23 Unrealized
CDNA CAREDX INC 0.1%
Value ($000) $4,458 Shares 804,000 Est. Cost $8.79 Unrealized -25.0%
DISCOVERY LABORATORIES INC N 0.1%
Value ($000) $4,355 Shares 3,659,700 Est. Cost $2.01 Unrealized
CCRN CROSS CTRY HEALTHCARE INC 0.1%
Value ($000) $4,349 Shares 366,724 Est. Cost $11.46 Unrealized 0.0%
CAS MED SYS INC 0.1%
Value ($000) $4,272 Shares 3,200,000 Est. Cost $1.34 Unrealized
SCYNEXIS INC 0.1%
Value ($000) $4,090 Shares 492,781 Est. Cost $8.02 Unrealized
RETROPHIN INC 0.1%
Value ($000) $3,791 Shares 158,223 Est. Cost $23.96 Unrealized
EXELIXIS INC 0.1%
Value ($000) $3,762 Shares 4,985,000 Est. Cost $0.75 Unrealized
DERMIRA INC 0.1%
Value ($000) $3,553 Shares 231,467 Est. Cost $16.74 Unrealized
SUCAMPO PHARMACEUTICALS INC 0.1%
Value ($000) $3,501 Shares 225,000 Est. Cost $15.56 Unrealized
ASND ASCENDIS PHARMA A S 0.1%
Value ($000) $3,470 Shares 200,000 Est. Cost $17.35 Unrealized
ST JUDE MED INC 0.1%
Value ($000) $3,294 Shares 50,370 Est. Cost $65.40 Unrealized
INVITAE CORP 0.1%
Value ($000) $2,793 Shares 166,666 Est. Cost $16.76 Unrealized
PALATIN TECHNOLOGIES INC 0.1%
Value ($000) $2,040 Shares 2,000,000 Est. Cost $0.62 Unrealized
KINDRED BIOSCIENCES INC 0.1%
Value ($000) $1,994 Shares 279,204 Est. Cost $17.84 Unrealized
IMMUNOMEDICS INC 0.1%
Value ($000) $1,915 Shares 500,000 Est. Cost $4.17 Unrealized
BOVIE MEDICAL CORP 0.1%
Value ($000) $1,673 Shares 700,000 Est. Cost $2.39 Unrealized
ACAD ACADIA PHARMACEUTICALS INC 0.1%
Value ($000) $1,610 Shares 49,400 Est. Cost $34.37 Unrealized 0.0%
MEI PHARMA INC 0.0%
Value ($000) $1,437 Shares 802,568 Est. Cost $5.36 Unrealized
PARNEUR PARNELL PHARMACEUT HLDGS LTD 0.0%
Value ($000) $1,245 Shares 253,592 Est. Cost $5.75 Unrealized
ILMN ILLUMINA INC 0.0%
Value ($000) $1,188 Shares 6,400 Est. Cost $180.77 Unrealized +4.2%
PLASMATECH BIOPHARMACEUTICAL 0.0%
Value ($000) $1,099 Shares 349,908 Est. Cost $3.45 Unrealized
ALKS ALKERMES PLC 0.0%
Value ($000) $1,067 Shares 17,500 Est. Cost $68.32 Unrealized 0.0%
CORSICANTO LTD 0.0%
Value ($000) $1,044 Shares 1,000,000 Est. Cost $1.04 Unrealized
AGILE THERAPEUTICS INC 0.0%
Value ($000) $973 Shares 105,000 Est. Cost $8.71 Unrealized
MIRATI THERAPEUTICS INC 0.0%
Value ($000) $965 Shares 32,912 Est. Cost $29.32 Unrealized
ABT ABBOTT LABS 0.0%
Value ($000) $602 Shares 13,000 Est. Cost $37.42 Unrealized 0.0%
MYLAN N V 0.0%
Value ($000) $594 Shares 10,000 Est. Cost $59.40 Unrealized
NEKTAR THERAPEUTICS 0.0%
Value ($000) $502 Shares 45,600 Est. Cost $11.01 Unrealized
AETERNA ZENTARIS INC 0.0%
Value ($000) $482 Shares 898,574 Est. Cost $0.54 Unrealized
MAZOR ROBOTICS LTD 0.0%
Value ($000) $470 Shares 41,861 Est. Cost $11.23 Unrealized
HMS HLDGS CORP 0.0%
Value ($000) $462 Shares 29,900 Est. Cost $15.45 Unrealized
RITE AID CORP 0.0%
Value ($000) $459 Shares 52,764 Est. Cost $8.70 Unrealized
CELGENE CORP 0.0%
Value ($000) $403 Shares 3,500 Est. Cost $115.14 Unrealized
PLASMATECH BIOPHARMACEUTICAL 0.0%
Value ($000) $319 Shares 375,000 Est. Cost $0.80 Unrealized
ONCOTHYREON INC 0.0%
Value ($000) $233 Shares 143,200 Est. Cost $1.92 Unrealized
ESPR ESPERION THERAPEUTICS INC NE 0.0%
Value ($000) $232 Shares 2,500 Est. Cost $64.53 Unrealized 0.0%
IMRSQ IMRIS INC 0.0%
Value ($000) $141 Shares 147,076 Est. Cost $1.19 Unrealized -25.2%