DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

CIK: 0001009258 · Show all filings

Period: Q2 2015 (← Previous) (Next →)

Filing Date: Aug 14, 2015

Total Value ($000): $3,001,745 (87.4% shares, 12.6% debt)

Holdings (120)

HORIZON PHARMA PLC 14.2%
Value ($000) $425,908 Shares 12,259,875 Est. Cost $13.75 Unrealized
ALLSCRIPTS HEALTHCARE SOLUTN 3.4%
Value ($000) $103,524 Shares 100,750,000 Est. Cost $0.98 Unrealized
FLAMEL TECHNOLOGIES SA 2.9%
Value ($000) $86,303 Shares 4,072,809 Est. Cost $7.42 Unrealized
NXSTAGE MEDICAL INC 2.7%
Value ($000) $82,468 Shares 5,773,050 Est. Cost $13.91 Unrealized
ARRAY BIOPHARMA INC 2.3%
Value ($000) $68,707 Shares 9,529,361 Est. Cost $4.58 Unrealized
DYAX CORP 2.2%
Value ($000) $65,813 Shares 2,483,507 Est. Cost $18.06 Unrealized
VNDA VANDA PHARMACEUTICALS INC 2.0%
Value ($000) $60,711 Shares 4,784,157 Est. Cost $12.04 Unrealized -10.4%
MYLAN N V 2.0%
Value ($000) $59,106 Shares 871,000 Est. Cost $67.76 Unrealized
GLAXOSMITHKLINE PLC 1.9%
Value ($000) $57,340 Shares 1,376,722 Est. Cost $44.05 Unrealized
ARRAY BIOPHARMA INC 1.9%
Value ($000) $56,942 Shares 45,000,000 Est. Cost $0.94 Unrealized
NIVALIS THERAPEUTICS INC 1.9%
Value ($000) $56,546 Shares 3,732,412 Est. Cost $15.15 Unrealized
BLUEBIRD BIO INC 1.8%
Value ($000) $55,020 Shares 326,783 Est. Cost $34.35 Unrealized
WALGREENS BOOTS ALLIANCE INC 1.8%
Value ($000) $54,759 Shares 648,501 Est. Cost $84.63 Unrealized
DVA DAVITA HEALTHCARE PARTNERS I 1.7%
Value ($000) $50,543 Shares 636,000 Est. Cost $69.20 Unrealized +18.7%
AETNA INC NEW 1.6%
Value ($000) $47,127 Shares 369,739 Est. Cost $111.37 Unrealized
UNIVERSAL AMERN CORP NEW 1.5%
Value ($000) $44,626 Shares 4,409,703 Est. Cost $8.30 Unrealized
GW PHARMACEUTICALS PLC 1.5%
Value ($000) $44,462 Shares 361,953 Est. Cost $91.13 Unrealized
CRL CHARLES RIV LABS INTL INC 1.4%
Value ($000) $43,008 Shares 611,436 Est. Cost $73.89 Unrealized +0.1%
EHTH EHEALTH INC 1.4%
Value ($000) $41,428 Shares 3,264,588 Est. Cost $28.61 Unrealized -57.7%
ENDOLOGIX INC 1.3%
Value ($000) $39,784 Shares 40,941,000 Est. Cost $0.96 Unrealized
AERIE PHARMACEUTICALS INC 1.3%
Value ($000) $39,036 Shares 2,211,644 Est. Cost $18.78 Unrealized
ANTARES PHARMA INC 1.3%
Value ($000) $38,251 Shares 18,389,789 Est. Cost $3.12 Unrealized
TEVA TEVA PHARMACEUTICAL INDS LTD 1.3%
Value ($000) $38,179 Shares 646,000 Est. Cost $59.10 Unrealized
SPARK THERAPEUTICS INC 1.3%
Value ($000) $38,042 Shares 631,192 Est. Cost $77.50 Unrealized
SPECTRANETICS CORP 1.3%
Value ($000) $37,991 Shares 36,901,000 Est. Cost $1.03 Unrealized
ENDOLOGIX INC 1.3%
Value ($000) $37,581 Shares 2,449,897 Est. Cost $13.45 Unrealized
ZAFGEN INC 1.2%
Value ($000) $34,894 Shares 1,007,614 Est. Cost $39.61 Unrealized
ADEPTUS HEALTH INC 1.2%
Value ($000) $34,576 Shares 364,000 Est. Cost $66.18 Unrealized
HEARTWARE INTL INC 1.1%
Value ($000) $33,215 Shares 31,264,000 Est. Cost $1.06 Unrealized
GLPG GALAPAGOS NV 1.1%
Value ($000) $33,094 Shares 642,608 Est. Cost $51.50 Unrealized
GENOMIC HEALTH INC 1.1%
Value ($000) $32,876 Shares 1,183,000 Est. Cost $27.79 Unrealized
ARENA PHARMACEUTICALS INC 1.1%
Value ($000) $32,404 Shares 6,983,710 Est. Cost $5.18 Unrealized
XNCR XENCOR INC 1.0%
Value ($000) $31,000 Shares 1,411,000 Est. Cost $15.78 Unrealized +8.0%
FLUIDIGM CORP DEL 1.0%
Value ($000) $30,952 Shares 35,000,000 Est. Cost $0.89 Unrealized
MCK MCKESSON CORP 1.0%
Value ($000) $30,574 Shares 136,000 Est. Cost $177.28 Unrealized +20.2%
EW EDWARDS LIFESCIENCES CORP 1.0%
Value ($000) $30,174 Shares 211,850 Est. Cost $22.57 Unrealized 0.0%
ZELTIQ AESTHETICS INC 1.0%
Value ($000) $29,955 Shares 1,016,453 Est. Cost $29.47 Unrealized
HEALTHWAYS INC 1.0%
Value ($000) $29,531 Shares 2,465,042 Est. Cost $11.98 Unrealized
ENDOCHOICE HLDGS INC 1.0%
Value ($000) $29,393 Shares 1,797,709 Est. Cost $16.35 Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 0.9%
Value ($000) $26,993 Shares 2,465,129 Est. Cost $21.54 Unrealized -40.4%
INGN INOGEN INC 0.9%
Value ($000) $26,839 Shares 601,772 Est. Cost $23.59 Unrealized +62.7%
LOXO ONCOLOGY INC 0.9%
Value ($000) $26,146 Shares 1,450,151 Est. Cost $13.13 Unrealized
HEALTHWAYS INC 0.9%
Value ($000) $25,929 Shares 27,915,000 Est. Cost $0.99 Unrealized
BSX BOSTON SCIENTIFIC CORP 0.8%
Value ($000) $24,875 Shares 1,405,348 Est. Cost $17.87 Unrealized 0.0%
WEBMD HEALTH CORP 0.8%
Value ($000) $24,636 Shares 23,000,000 Est. Cost $1.01 Unrealized
ACCURAY INC 0.8%
Value ($000) $24,565 Shares 24,100,000 Est. Cost $1.00 Unrealized
ELV ANTHEM INC 0.8%
Value ($000) $23,112 Shares 140,806 Est. Cost $126.56 Unrealized +8.7%
PROTEON THERAPEUTICS INC 0.8%
Value ($000) $22,599 Shares 1,265,343 Est. Cost $10.40 Unrealized
SAGE THERAPEUTICS INC 0.7%
Value ($000) $22,265 Shares 305,000 Est. Cost $41.97 Unrealized
INSM INSMED INC 0.7%
Value ($000) $21,772 Shares 891,546 Est. Cost $15.08 Unrealized +50.6%
NUVASIVE INC 0.7%
Value ($000) $21,334 Shares 450,272 Est. Cost $46.34 Unrealized
SYNERON MEDICAL LTD 0.7%
Value ($000) $20,963 Shares 1,973,945 Est. Cost $11.18 Unrealized
ALIMERA SCIENCES INC 0.7%
Value ($000) $20,379 Shares 4,420,580 Est. Cost $6.18 Unrealized
KEMPHARM INC 0.7%
Value ($000) $19,921 Shares 1,084,443 Est. Cost $18.37 Unrealized
NANOSTRING TECHNOLOGIES INC 0.6%
Value ($000) $19,008 Shares 1,232,696 Est. Cost $11.15 Unrealized
RITE AID CORP 0.5%
Value ($000) $15,782 Shares 1,890,000 Est. Cost $8.36 Unrealized
IMPRIVATA INC 0.5%
Value ($000) $15,675 Shares 958,152 Est. Cost $15.41 Unrealized
OM2 ORTHOFIX INTL N V 0.5%
Value ($000) $15,159 Shares 457,699 Est. Cost $31.03 Unrealized
AKORN INC 0.5%
Value ($000) $15,048 Shares 344,667 Est. Cost $43.66 Unrealized
EXEL EXELIXIS INC 0.5%
Value ($000) $15,040 Shares 4,000,000 Est. Cost Unrealized
PORTOLA PHARMACEUTICALS INC 0.5%
Value ($000) $15,024 Shares 329,837 Est. Cost $25.99 Unrealized
PCRX PACIRA PHARMACEUTICALS INC 0.5%
Value ($000) $14,993 Shares 212,000 Est. Cost $78.75 Unrealized 0.0%
HUM HUMANA INC 0.5%
Value ($000) $14,442 Shares 75,500 Est. Cost $145.13 Unrealized +17.7%
TRUP TRUPANION INC 0.5%
Value ($000) $14,133 Shares 1,715,211 Est. Cost $8.03 Unrealized +2.1%
GENNQ GENESIS HEALTHCARE INC 0.5%
Value ($000) $13,989 Shares 2,119,616 Est. Cost $7.53 Unrealized -10.5%
AAC HLDGS INC 0.4%
Value ($000) $13,200 Shares 303,027 Est. Cost $30.58 Unrealized
MIRATI THERAPEUTICS INC 0.4%
Value ($000) $12,514 Shares 397,660 Est. Cost $31.29 Unrealized
TONIX PHARMACEUTICALS HLDG C 0.4%
Value ($000) $11,800 Shares 1,315,551 Est. Cost $6.32 Unrealized
AXGN AXOGEN INC 0.4%
Value ($000) $11,701 Shares 3,726,439 Est. Cost $3.20 Unrealized +1.1%
IMMUNOMEDICS INC 0.3%
Value ($000) $10,174 Shares 2,505,872 Est. Cost $4.17 Unrealized
JUNO THERAPEUTICS INC 0.3%
Value ($000) $9,767 Shares 183,149 Est. Cost $52.22 Unrealized
FOAMIX PHARMACEUTICALS LTD 0.3%
Value ($000) $9,727 Shares 948,934 Est. Cost $7.26 Unrealized
CATABASIS PHARMACEUTICALS IN 0.3%
Value ($000) $9,012 Shares 738,055 Est. Cost $12.21 Unrealized
ALLIQUA BIOMEDICAL INC 0.3%
Value ($000) $8,849 Shares 1,679,111 Est. Cost $5.27 Unrealized
DERMIRA INC 0.3%
Value ($000) $8,712 Shares 496,387 Est. Cost $17.17 Unrealized
PACB PACIFIC BIOSCIENCES CALIF IN 0.3%
Value ($000) $8,559 Shares 1,485,861 Est. Cost $3.68 Unrealized +57.1%
ATYR PHARMA INC 0.3%
Value ($000) $8,548 Shares 461,530 Est. Cost $18.52 Unrealized
AMPH AMPHASTAR PHARMACEUTICALS IN 0.3%
Value ($000) $7,885 Shares 448,532 Est. Cost $10.42 Unrealized +49.6%
ST JUDE MED INC 0.3%
Value ($000) $7,871 Shares 107,719 Est. Cost $69.48 Unrealized
OXFORD IMMUNOTEC GLOBAL PLC 0.3%
Value ($000) $7,773 Shares 561,226 Est. Cost $14.06 Unrealized
GENOCEA BIOSCIENCES INC 0.3%
Value ($000) $7,747 Shares 564,257 Est. Cost $14.96 Unrealized
RIGEL PHARMACEUTICALS INC 0.3%
Value ($000) $7,697 Shares 2,397,855 Est. Cost $3.57 Unrealized
RELYPSA INC 0.2%
Value ($000) $7,445 Shares 225,000 Est. Cost $33.09 Unrealized
ALCOBRA LTD 0.2%
Value ($000) $7,118 Shares 1,088,449 Est. Cost $5.63 Unrealized
DERMA SCIENCES INC 0.2%
Value ($000) $6,937 Shares 968,881 Est. Cost $10.56 Unrealized
ZS PHARMA INC 0.2%
Value ($000) $6,915 Shares 132,000 Est. Cost $42.08 Unrealized
ALPHATEC HOLDINGS INC 0.2%
Value ($000) $6,876 Shares 4,982,738 Est. Cost $1.92 Unrealized
STEADYMED LTD 0.2%
Value ($000) $6,744 Shares 1,267,577 Est. Cost $8.50 Unrealized
SCYNEXIS INC 0.2%
Value ($000) $6,090 Shares 692,781 Est. Cost $8.24 Unrealized
BIOTELEMETRY INC 0.2%
Value ($000) $6,076 Shares 644,300 Est. Cost $7.43 Unrealized
TRACON PHARMACEUTICALS INC 0.2%
Value ($000) $5,495 Shares 485,000 Est. Cost $14.04 Unrealized
ALDX ALDEYRA THERAPEUTICS INC 0.2%
Value ($000) $5,359 Shares 690,538 Est. Cost $8.62 Unrealized 0.0%
STREAMLINE HEALTH SOLUTIONS 0.2%
Value ($000) $5,104 Shares 1,822,759 Est. Cost $5.28 Unrealized
DBV TECHNOLOGIES S A 0.2%
Value ($000) $4,773 Shares 160,259 Est. Cost $27.12 Unrealized
TRINITY BIOTECH PLC 0.2%
Value ($000) $4,741 Shares 262,492 Est. Cost $18.06 Unrealized
BIOTIE THERAPIES OYJ 0.1%
Value ($000) $4,385 Shares 219,558 Est. Cost $19.97 Unrealized
VCYT VERACYTE INC 0.1%
Value ($000) $4,269 Shares 383,256 Est. Cost $9.84 Unrealized 0.0%
CAS MED SYS INC 0.1%
Value ($000) $4,096 Shares 3,200,000 Est. Cost $1.34 Unrealized
IART INTEGRA LIFESCIENCES HLDGS C 0.1%
Value ($000) $4,006 Shares 59,468 Est. Cost $29.48 Unrealized 0.0%
TRILLIUM THERAPEUTICS INC 0.1%
Value ($000) $3,760 Shares 172,307 Est. Cost $20.23 Unrealized
PRQR PROQR THRAPEUTICS N V 0.1%
Value ($000) $3,491 Shares 209,398 Est. Cost $16.02 Unrealized +17.6%
MAZOR ROBOTICS LTD 0.1%
Value ($000) $3,474 Shares 261,000 Est. Cost $12.98 Unrealized
CIDARA THERAPEUTICS INC 0.1%
Value ($000) $3,331 Shares 237,583 Est. Cost $14.02 Unrealized
INVUITY INC 0.1%
Value ($000) $3,086 Shares 218,523 Est. Cost $14.12 Unrealized
DISCOVERY LABORATORIES INC N 0.1%
Value ($000) $2,489 Shares 3,659,700 Est. Cost $2.01 Unrealized
INVITAE CORP 0.1%
Value ($000) $2,480 Shares 166,666 Est. Cost $16.76 Unrealized
BOVIE MEDICAL CORP 0.1%
Value ($000) $1,920 Shares 688,229 Est. Cost $2.39 Unrealized
KINDRED BIOSCIENCES INC 0.1%
Value ($000) $1,904 Shares 279,204 Est. Cost $17.84 Unrealized
PALATIN TECHNOLOGIES INC 0.1%
Value ($000) $1,780 Shares 2,000,000 Est. Cost $0.62 Unrealized
ESPR ESPERION THERAPEUTICS INC NE 0.1%
Value ($000) $1,709 Shares 20,900 Est. Cost $93.90 Unrealized +4.2%
CDNA CAREDX INC 0.0%
Value ($000) $1,489 Shares 229,000 Est. Cost $8.79 Unrealized -38.2%
KINDRED HEALTHCARE INC 0.0%
Value ($000) $1,423 Shares 70,114 Est. Cost $20.30 Unrealized
CORSICANTO LTD 0.0%
Value ($000) $1,084 Shares 1,000,000 Est. Cost $1.04 Unrealized
TRANSENTERIX INC 0.0%
Value ($000) $884 Shares 294,669 Est. Cost $3.00 Unrealized
IRWD IRONWOOD PHARMACEUTICALS INC 0.0%
Value ($000) $768 Shares 63,700 Est. Cost $11.62 Unrealized 0.0%
PRGO PERRIGO CO PLC 0.0%
Value ($000) $647 Shares 3,500 Est. Cost $190.62 Unrealized 0.0%
POZEN INC 0.0%
Value ($000) $460 Shares 44,583 Est. Cost $10.32 Unrealized
PSIVIDA CORP 0.0%
Value ($000) $388 Shares 102,823 Est. Cost $3.77 Unrealized
RECEPTOS INC 0.0%
Value ($000) $380 Shares 2,000 Est. Cost $190.00 Unrealized
ASND ASCENDIS PHARMA A S 0.0%
Value ($000) $369 Shares 20,859 Est. Cost $17.35 Unrealized