DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

CIK: 0001009258 · Show all filings

Period: Q3 2015 (← Previous) (Next →)

Filing Date: Nov 16, 2015

Total Value ($000): $2,585,133 (85.2% shares, 14.8% debt)

Holdings (134)

HORIZON PHARMA PLC 6.2%
Value ($000) $160,173 Shares 8,081,407 Est. Cost $13.75 Unrealized
ALLSCRIPTS HEALTHCARE SOLUTN 3.9%
Value ($000) $99,819 Shares 100,750,000 Est. Cost $0.98 Unrealized
NXSTAGE MEDICAL INC 3.9%
Value ($000) $99,636 Shares 6,318,050 Est. Cost $14.07 Unrealized
GLAXOSMITHKLINE PLC 3.4%
Value ($000) $87,771 Shares 2,282,722 Est. Cost $41.83 Unrealized
AETNA INC NEW 2.7%
Value ($000) $69,589 Shares 636,039 Est. Cost $110.55 Unrealized
FLAMEL TECHNOLOGIES SA 2.6%
Value ($000) $66,428 Shares 4,072,809 Est. Cost $7.42 Unrealized
DYAX CORP 2.1%
Value ($000) $54,555 Shares 2,857,773 Est. Cost $18.19 Unrealized
VNDA VANDA PHARMACEUTICALS INC 2.1%
Value ($000) $53,965 Shares 4,784,157 Est. Cost $12.04 Unrealized +1.6%
DVA DAVITA HEALTHCARE PARTNERS I 2.0%
Value ($000) $51,788 Shares 716,000 Est. Cost $70.13 Unrealized +10.6%
MYLAN N V 2.0%
Value ($000) $51,332 Shares 1,275,000 Est. Cost $59.05 Unrealized
NIVALIS THERAPEUTICS INC 1.9%
Value ($000) $48,409 Shares 3,732,412 Est. Cost $15.15 Unrealized
HEALTHWAYS INC 1.9%
Value ($000) $47,869 Shares 51,925,000 Est. Cost $0.96 Unrealized
ARRAY BIOPHARMA INC 1.7%
Value ($000) $44,366 Shares 9,729,361 Est. Cost $4.58 Unrealized
ADEPTUS HEALTH INC 1.7%
Value ($000) $44,041 Shares 545,328 Est. Cost $71.03 Unrealized
ARRAY BIOPHARMA INC 1.7%
Value ($000) $43,864 Shares 45,000,000 Est. Cost $0.94 Unrealized
EHTH EHEALTH INC 1.6%
Value ($000) $41,819 Shares 3,264,588 Est. Cost $28.61 Unrealized -50.3%
BLUEBIRD BIO INC 1.6%
Value ($000) $41,321 Shares 483,000 Est. Cost $50.91 Unrealized
WALGREENS BOOTS ALLIANCE INC 1.5%
Value ($000) $38,513 Shares 463,457 Est. Cost $84.63 Unrealized
HEARTWARE INTL INC 1.5%
Value ($000) $37,712 Shares 39,226,000 Est. Cost $1.04 Unrealized
GLOBAL BLOOD THERAPEUTICS IN 1.5%
Value ($000) $37,549 Shares 890,620 Est. Cost $42.16 Unrealized
CRL CHARLES RIV LABS INTL INC 1.4%
Value ($000) $36,917 Shares 581,188 Est. Cost $73.89 Unrealized -2.8%
ENDOLOGIX INC 1.4%
Value ($000) $36,877 Shares 40,941,000 Est. Cost $0.96 Unrealized
GW PHARMACEUTICALS PLC 1.4%
Value ($000) $35,737 Shares 391,122 Est. Cost $91.15 Unrealized
AAC HLDGS INC 1.4%
Value ($000) $35,631 Shares 1,601,376 Est. Cost $23.83 Unrealized
TEVA TEVA PHARMACEUTICAL INDS LTD 1.3%
Value ($000) $34,723 Shares 615,000 Est. Cost $59.10 Unrealized
MCK MCKESSON CORP 1.3%
Value ($000) $34,350 Shares 185,646 Est. Cost $182.17 Unrealized +7.4%
UNIVERSAL AMERN CORP NEW 1.3%
Value ($000) $33,727 Shares 4,930,787 Est. Cost $8.15 Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 1.3%
Value ($000) $33,046 Shares 3,910,721 Est. Cost $16.99 Unrealized -45.7%
TEVA TEVA PHARMACEUTICAL INDS LTD 1.2%
Value ($000) $31,053 Shares 550,000 Est. Cost $59.10 Unrealized
ACCURAY INC 1.2%
Value ($000) $30,841 Shares 30,511,000 Est. Cost $1.01 Unrealized
SPECTRANETICS CORP 1.2%
Value ($000) $30,252 Shares 39,831,000 Est. Cost $1.01 Unrealized
RGNX REGENXBIO INC 1.1%
Value ($000) $29,444 Shares 1,336,542 Est. Cost $25.52 Unrealized 0.0%
PCRX PACIRA PHARMACEUTICALS INC 1.1%
Value ($000) $28,872 Shares 702,485 Est. Cost $66.53 Unrealized -7.9%
ENDOLOGIX INC 1.1%
Value ($000) $28,776 Shares 2,347,113 Est. Cost $13.45 Unrealized
PRONAI THERAPEUTICS INC 1.1%
Value ($000) $27,669 Shares 1,348,401 Est. Cost $20.52 Unrealized
AKARI THERAPEUTICS PLC 1.1%
Value ($000) $27,611 Shares 1,150,700 Est. Cost $23.99 Unrealized
KEMPHARM INC 1.1%
Value ($000) $27,529 Shares 1,420,497 Est. Cost $18.61 Unrealized
SAGE THERAPEUTICS INC 1.1%
Value ($000) $27,468 Shares 649,064 Est. Cost $42.15 Unrealized
HEALTHWAYS INC 1.1%
Value ($000) $27,411 Shares 2,465,042 Est. Cost $11.98 Unrealized
ANTARES PHARMA INC 1.0%
Value ($000) $26,267 Shares 15,451,124 Est. Cost $3.12 Unrealized
RITE AID CORP 1.0%
Value ($000) $25,632 Shares 4,222,800 Est. Cost $7.09 Unrealized
FLUIDIGM CORP DEL 1.0%
Value ($000) $25,235 Shares 35,000,000 Est. Cost $0.89 Unrealized
WEBMD HEALTH CORP 0.9%
Value ($000) $23,640 Shares 23,000,000 Est. Cost $1.01 Unrealized
GENOMIC HEALTH INC 0.9%
Value ($000) $23,139 Shares 1,093,516 Est. Cost $27.79 Unrealized
XNCR XENCOR INC 0.8%
Value ($000) $21,855 Shares 1,787,000 Est. Cost $16.58 Unrealized +18.0%
IMPRIVATA INC 0.8%
Value ($000) $20,456 Shares 1,151,140 Est. Cost $15.81 Unrealized
ENDOCHOICE HLDGS INC 0.8%
Value ($000) $20,422 Shares 1,797,709 Est. Cost $16.35 Unrealized
RELYPSA INC 0.8%
Value ($000) $20,380 Shares 1,101,000 Est. Cost $21.49 Unrealized
MALLINCKRODT PUB LTD CO 0.8%
Value ($000) $20,329 Shares 317,931 Est. Cost $63.94 Unrealized
ELV ANTHEM INC 0.8%
Value ($000) $19,713 Shares 140,806 Est. Cost $126.56 Unrealized +2.6%
LOXO ONCOLOGY INC 0.7%
Value ($000) $19,022 Shares 1,088,225 Est. Cost $13.13 Unrealized
GLPG GALAPAGOS NV 0.7%
Value ($000) $17,957 Shares 441,085 Est. Cost $51.50 Unrealized
ZAFGEN INC 0.7%
Value ($000) $17,683 Shares 553,472 Est. Cost $39.61 Unrealized
PROTEON THERAPEUTICS INC 0.7%
Value ($000) $17,601 Shares 1,265,343 Est. Cost $10.40 Unrealized
DBV TECHNOLOGIES S A 0.6%
Value ($000) $16,438 Shares 461,869 Est. Cost $32.65 Unrealized
SYNERON MEDICAL LTD 0.6%
Value ($000) $14,865 Shares 2,079,013 Est. Cost $10.97 Unrealized
AERIE PHARMACEUTICALS INC 0.6%
Value ($000) $14,332 Shares 807,875 Est. Cost $18.78 Unrealized
NANOSTRING TECHNOLOGIES INC 0.5%
Value ($000) $14,090 Shares 880,622 Est. Cost $11.15 Unrealized
PORTOLA PHARMACEUTICALS INC 0.5%
Value ($000) $14,058 Shares 329,837 Est. Cost $25.99 Unrealized
AXGN AXOGEN INC 0.5%
Value ($000) $13,932 Shares 3,381,439 Est. Cost $3.20 Unrealized +25.4%
EW EDWARDS LIFESCIENCES CORP 0.5%
Value ($000) $13,807 Shares 97,119 Est. Cost $22.57 Unrealized +7.0%
ZELTIQ AESTHETICS INC 0.5%
Value ($000) $13,455 Shares 420,063 Est. Cost $29.47 Unrealized
NUVASIVE INC 0.5%
Value ($000) $12,791 Shares 265,272 Est. Cost $46.34 Unrealized
BKD BROOKDALE SR LIVING INC 0.5%
Value ($000) $12,789 Shares 557,000 Est. Cost $29.53 Unrealized 0.0%
OM2 ORTHOFIX INTL N V 0.5%
Value ($000) $12,165 Shares 360,459 Est. Cost $31.03 Unrealized
XENOPORT INC 0.5%
Value ($000) $11,955 Shares 3,445,374 Est. Cost $3.47 Unrealized
MGNX MACROGENICS INC 0.5%
Value ($000) $11,931 Shares 557,000 Est. Cost $31.37 Unrealized 0.0%
TRUP TRUPANION INC 0.5%
Value ($000) $11,921 Shares 1,578,925 Est. Cost $8.03 Unrealized -1.8%
ESSA PHARMA INC 0.4%
Value ($000) $11,580 Shares 1,859,282 Est. Cost $6.23 Unrealized
ACHILLION PHARMACEUTICALS IN 0.4%
Value ($000) $11,519 Shares 1,667,000 Est. Cost $6.91 Unrealized
ALIMERA SCIENCES INC 0.4%
Value ($000) $9,769 Shares 4,420,580 Est. Cost $6.18 Unrealized
NEOS THERAPEUTICS INC 0.4%
Value ($000) $9,630 Shares 458,332 Est. Cost $21.01 Unrealized
GENNQ GENESIS HEALTHCARE INC 0.4%
Value ($000) $9,429 Shares 1,538,232 Est. Cost $7.53 Unrealized -10.0%
ARENA PHARMACEUTICALS INC 0.3%
Value ($000) $8,864 Shares 4,640,877 Est. Cost $5.18 Unrealized
PACB PACIFIC BIOSCIENCES CALIF IN 0.3%
Value ($000) $8,000 Shares 2,185,771 Est. Cost $4.07 Unrealized +20.2%
NOVAVAX INC 0.3%
Value ($000) $7,353 Shares 1,040,000 Est. Cost $7.07 Unrealized
HEARTWARE INTL INC 0.3%
Value ($000) $7,020 Shares 134,200 Est. Cost $52.31 Unrealized
OXFORD IMMUNOTEC GLOBAL PLC 0.3%
Value ($000) $7,016 Shares 519,670 Est. Cost $14.06 Unrealized
TONIX PHARMACEUTICALS HLDG C 0.3%
Value ($000) $6,959 Shares 1,315,551 Est. Cost $6.32 Unrealized
FOAMIX PHARMACEUTICALS LTD 0.3%
Value ($000) $6,956 Shares 948,934 Est. Cost $7.26 Unrealized
EGALET CORP 0.2%
Value ($000) $6,288 Shares 477,123 Est. Cost $13.18 Unrealized
AXOVANT SCIENCES LTD 0.2%
Value ($000) $6,262 Shares 484,664 Est. Cost $12.92 Unrealized
ALCOBRA LTD 0.2%
Value ($000) $6,024 Shares 997,349 Est. Cost $5.63 Unrealized
RIGEL PHARMACEUTICALS INC 0.2%
Value ($000) $5,923 Shares 2,397,855 Est. Cost $3.57 Unrealized
ALLIQUA BIOMEDICAL INC 0.2%
Value ($000) $5,318 Shares 1,677,546 Est. Cost $5.27 Unrealized
STREAMLINE HEALTH SOLUTIONS 0.2%
Value ($000) $5,205 Shares 2,272,759 Est. Cost $4.69 Unrealized
JAZZ INVESTMENTS I LTD 0.2%
Value ($000) $5,098 Shares 5,000,000 Est. Cost $1.02 Unrealized
CATABASIS PHARMACEUTICALS IN 0.2%
Value ($000) $5,084 Shares 628,482 Est. Cost $12.21 Unrealized
SCYNEXIS INC 0.2%
Value ($000) $5,043 Shares 692,781 Est. Cost $8.24 Unrealized
TRACON PHARMACEUTICALS INC 0.2%
Value ($000) $4,738 Shares 485,000 Est. Cost $14.04 Unrealized
ATYR PHARMA INC 0.2%
Value ($000) $4,735 Shares 461,530 Est. Cost $18.52 Unrealized
DERMA SCIENCES INC 0.2%
Value ($000) $4,720 Shares 1,002,201 Est. Cost $10.37 Unrealized
STEADYMED LTD 0.2%
Value ($000) $4,669 Shares 1,315,169 Est. Cost $8.32 Unrealized
AKORN INC 0.2%
Value ($000) $4,580 Shares 160,667 Est. Cost $43.66 Unrealized
ALDX ALDEYRA THERAPEUTICS INC 0.2%
Value ($000) $4,026 Shares 690,538 Est. Cost $8.62 Unrealized -9.4%
PEN PENUMBRA INC 0.2%
Value ($000) $4,010 Shares 100,000 Est. Cost $40.45 Unrealized 0.0%
CAS MED SYS INC 0.2%
Value ($000) $4,000 Shares 3,200,000 Est. Cost $1.34 Unrealized
BIODELIVERY SCIENCES INTL IN 0.2%
Value ($000) $3,892 Shares 700,000 Est. Cost $5.56 Unrealized
MIRATI THERAPEUTICS INC 0.1%
Value ($000) $3,788 Shares 110,049 Est. Cost $31.29 Unrealized
PSIVIDA CORP 0.1%
Value ($000) $3,548 Shares 972,110 Est. Cost $3.66 Unrealized
GENOCEA BIOSCIENCES INC 0.1%
Value ($000) $3,434 Shares 501,257 Est. Cost $14.96 Unrealized
VERSARTIS INC 0.1%
Value ($000) $3,194 Shares 277,000 Est. Cost $11.53 Unrealized
PRQR PROQR THRAPEUTICS N V 0.1%
Value ($000) $3,051 Shares 209,398 Est. Cost $16.02 Unrealized +4.5%
CIDARA THERAPEUTICS INC 0.1%
Value ($000) $3,022 Shares 237,583 Est. Cost $14.02 Unrealized
BIOTIE THERAPIES OYJ 0.1%
Value ($000) $2,874 Shares 219,558 Est. Cost $19.97 Unrealized
INVUITY INC 0.1%
Value ($000) $2,819 Shares 201,068 Est. Cost $14.12 Unrealized
TRINITY BIOTECH PLC 0.1%
Value ($000) $2,814 Shares 246,000 Est. Cost $18.06 Unrealized
BIOTELEMETRY INC 0.1%
Value ($000) $2,720 Shares 222,215 Est. Cost $7.43 Unrealized
DISCOVERY LABORATORIES INC N 0.1%
Value ($000) $2,561 Shares 8,537,995 Est. Cost $1.03 Unrealized
MAZOR ROBOTICS LTD 0.1%
Value ($000) $2,525 Shares 228,909 Est. Cost $12.98 Unrealized
ACUR ACURA PHARMACEUTICALS INC 0.1%
Value ($000) $2,410 Shares 1,025,641 Est. Cost $3.40 Unrealized 0.0%
TRILLIUM THERAPEUTICS INC 0.1%
Value ($000) $2,245 Shares 172,307 Est. Cost $20.23 Unrealized
ILMN ILLUMINA INC 0.1%
Value ($000) $1,934 Shares 11,000 Est. Cost $202.14 Unrealized 0.0%
VRTX VERTEX PHARMACEUTICALS INC 0.1%
Value ($000) $1,927 Shares 18,500 Est. Cost $128.47 Unrealized 0.0%
LA JOLLA PHARMACEUTICAL CO 0.1%
Value ($000) $1,806 Shares 65,000 Est. Cost $27.78 Unrealized
VCYT VERACYTE INC 0.1%
Value ($000) $1,797 Shares 383,256 Est. Cost $9.84 Unrealized -3.3%
ALPHATEC HOLDINGS INC 0.1%
Value ($000) $1,644 Shares 4,982,738 Est. Cost $1.92 Unrealized
PALATIN TECHNOLOGIES INC 0.1%
Value ($000) $1,620 Shares 2,000,000 Est. Cost $0.62 Unrealized
BIIB BIOGEN INC 0.1%
Value ($000) $1,605 Shares 5,500 Est. Cost $330.23 Unrealized 0.0%
KINDRED BIOSCIENCES INC 0.1%
Value ($000) $1,452 Shares 279,204 Est. Cost $17.84 Unrealized
BOVIE MEDICAL CORP 0.1%
Value ($000) $1,342 Shares 688,229 Est. Cost $2.39 Unrealized
INVITAE CORP 0.0%
Value ($000) $1,203 Shares 166,666 Est. Cost $16.76 Unrealized
KINDRED HEALTHCARE INC 0.0%
Value ($000) $1,136 Shares 72,100 Est. Cost $20.17 Unrealized
THC TENET HEALTHCARE CORP 0.0%
Value ($000) $1,019 Shares 27,602 Est. Cost $51.67 Unrealized 0.0%
CDNA CAREDX INC 0.0%
Value ($000) $955 Shares 229,000 Est. Cost $8.79 Unrealized -24.8%
CORSICANTO LTD 0.0%
Value ($000) $917 Shares 1,000,000 Est. Cost $1.04 Unrealized
ESPR ESPERION THERAPEUTICS INC NE 0.0%
Value ($000) $778 Shares 32,970 Est. Cost $82.50 Unrealized -23.9%
HALO HALOZYME THERAPEUTICS INC 0.0%
Value ($000) $676 Shares 50,349 Est. Cost $20.08 Unrealized 0.0%
CAH CARDINAL HEALTH INC 0.0%
Value ($000) $615 Shares 8,000 Est. Cost $62.30 Unrealized 0.0%
SEM SELECT MED HLDGS CORP 0.0%
Value ($000) $593 Shares 55,000 Est. Cost $6.83 Unrealized 0.0%
OPHTHOTECH CORP 0.0%
Value ($000) $405 Shares 10,000 Est. Cost $40.50 Unrealized
VALEANT PHARMACEUTICALS INTL 0.0%
Value ($000) $281 Shares 1,575 Est. Cost $178.41 Unrealized
POZEN INC 0.0%
Value ($000) $260 Shares 44,583 Est. Cost $10.32 Unrealized
TRANSENTERIX INC 0.0%
Value ($000) $140 Shares 61,819 Est. Cost $3.00 Unrealized