DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

CIK: 0001009258 · Show all filings

Period: Q1 2016 (← Previous) (Next →)

Filing Date: May 16, 2016

Total Value ($000): $2,348,708 (84.3% shares, 15.7% debt)

Holdings (105)

HORIZON PHARMA PLC 9.7%
Value ($000) $227,676 Shares 13,740,261 Est. Cost $16.25 Unrealized
MYLAN N V 3.6%
Value ($000) $84,938 Shares 1,832,535 Est. Cost $53.67 Unrealized
NXSTAGE MEDICAL INC 3.5%
Value ($000) $82,535 Shares 5,506,028 Est. Cost $14.22 Unrealized
HEALTHWAYS INC 3.0%
Value ($000) $70,595 Shares 76,925,000 Est. Cost $0.94 Unrealized
HORIZON PHARMA INVT LTD 3.0%
Value ($000) $70,475 Shares 82,600,000 Est. Cost $0.85 Unrealized
GLAXOSMITHKLINE PLC 2.9%
Value ($000) $67,937 Shares 1,675,385 Est. Cost $41.83 Unrealized
AETNA INC NEW 2.8%
Value ($000) $66,451 Shares 591,465 Est. Cost $110.55 Unrealized
PORTOLA PHARMACEUTICALS INC 2.7%
Value ($000) $63,032 Shares 3,089,785 Est. Cost $24.55 Unrealized
AVEXIS INC 2.6%
Value ($000) $60,928 Shares 2,236,701 Est. Cost $27.24 Unrealized
DVA DAVITA HEALTHCARE PARTNERS I 2.6%
Value ($000) $60,318 Shares 822,000 Est. Cost $70.54 Unrealized -4.3%
EDIT EDITAS MEDICINE INC 2.5%
Value ($000) $59,043 Shares 1,709,400 Est. Cost $26.29 Unrealized 0.0%
ADEPTUS HEALTH INC 2.3%
Value ($000) $53,126 Shares 956,533 Est. Cost $61.40 Unrealized
XENOPORT INC 2.2%
Value ($000) $52,190 Shares 11,572,125 Est. Cost $4.44 Unrealized
VNDA VANDA PHARMACEUTICALS INC 2.1%
Value ($000) $50,132 Shares 5,996,691 Est. Cost $11.62 Unrealized -29.4%
GW PHARMACEUTICALS PLC 2.1%
Value ($000) $48,656 Shares 674,373 Est. Cost $80.89 Unrealized
XNCR XENCOR INC 2.0%
Value ($000) $46,534 Shares 3,467,512 Est. Cost $13.55 Unrealized -12.7%
AAC HLDGS INC 1.9%
Value ($000) $45,417 Shares 2,294,936 Est. Cost $22.55 Unrealized
FLAMEL TECHNOLOGIES SA 1.9%
Value ($000) $44,964 Shares 4,072,809 Est. Cost $7.42 Unrealized
WALGREENS BOOTS ALLIANCE INC 1.8%
Value ($000) $43,085 Shares 511,457 Est. Cost $84.53 Unrealized
ENDOLOGIX INC 1.6%
Value ($000) $38,632 Shares 40,000,000 Est. Cost $1.06 Unrealized
UNIVERSAL AMERN CORP NEW 1.6%
Value ($000) $37,738 Shares 5,285,500 Est. Cost $8.06 Unrealized
HEARTWARE INTL INC 1.6%
Value ($000) $36,498 Shares 39,226,000 Est. Cost $1.04 Unrealized
WRIGHT MED GROUP INC 1.5%
Value ($000) $35,961 Shares 40,050,000 Est. Cost $0.90 Unrealized
ARRAY BIOPHARMA INC 1.5%
Value ($000) $35,876 Shares 45,000,000 Est. Cost $0.94 Unrealized
SAGE THERAPEUTICS INC 1.5%
Value ($000) $35,704 Shares 1,113,654 Est. Cost $37.49 Unrealized
AERIE PHARMACEUTICALS INC 1.4%
Value ($000) $32,011 Shares 2,632,482 Est. Cost $14.19 Unrealized
EHTH EHEALTH INC 1.3%
Value ($000) $30,654 Shares 3,264,588 Est. Cost $28.61 Unrealized -65.3%
ZELTIQ AESTHETICS INC 1.3%
Value ($000) $29,996 Shares 1,104,417 Est. Cost $27.16 Unrealized
ENDOLOGIX INC 1.3%
Value ($000) $29,871 Shares 40,941,000 Est. Cost $0.96 Unrealized
ARRAY BIOPHARMA INC 1.2%
Value ($000) $28,112 Shares 9,529,361 Est. Cost $4.44 Unrealized
FIVE PRIME THERAPEUTICS INC 1.2%
Value ($000) $27,628 Shares 680,000 Est. Cost $41.50 Unrealized
MCK MCKESSON CORP 1.2%
Value ($000) $27,519 Shares 175,000 Est. Cost $176.52 Unrealized -15.3%
HEARTWARE INTL INC 1.2%
Value ($000) $27,355 Shares 870,634 Est. Cost $35.20 Unrealized
ACORDA THERAPEUTICS INC 1.2%
Value ($000) $27,228 Shares 1,029,410 Est. Cost $26.45 Unrealized
DBV TECHNOLOGIES S A 1.1%
Value ($000) $26,620 Shares 817,806 Est. Cost $32.61 Unrealized
RELYPSA INC 1.1%
Value ($000) $25,386 Shares 1,873,471 Est. Cost $17.37 Unrealized
HEALTHWAYS INC 1.1%
Value ($000) $24,977 Shares 2,475,387 Est. Cost $11.98 Unrealized
SPECTRANETICS CORP 1.0%
Value ($000) $23,643 Shares 29,831,000 Est. Cost $1.01 Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 1.0%
Value ($000) $23,182 Shares 4,398,862 Est. Cost $16.00 Unrealized -61.8%
KEMPHARM INC 0.9%
Value ($000) $20,597 Shares 1,420,497 Est. Cost $18.61 Unrealized
ZAFGEN INC 0.9%
Value ($000) $20,411 Shares 3,055,603 Est. Cost $12.61 Unrealized
PRONAI THERAPEUTICS INC 0.9%
Value ($000) $20,229 Shares 3,001,302 Est. Cost $14.16 Unrealized
RITE AID CORP 0.8%
Value ($000) $19,504 Shares 2,393,072 Est. Cost $7.09 Unrealized
GLOBAL BLOOD THERAPEUTICS IN 0.8%
Value ($000) $18,934 Shares 1,193,811 Est. Cost $39.25 Unrealized
AXGN AXOGEN INC 0.8%
Value ($000) $18,125 Shares 3,381,439 Est. Cost $3.20 Unrealized +58.9%
AKARI THERAPEUTICS PLC 0.7%
Value ($000) $16,110 Shares 1,150,700 Est. Cost $23.99 Unrealized
NIVALIS THERAPEUTICS INC 0.7%
Value ($000) $15,564 Shares 3,732,412 Est. Cost $15.15 Unrealized
FLUIDIGM CORP DEL 0.7%
Value ($000) $15,353 Shares 27,715,000 Est. Cost $0.89 Unrealized
ELV ANTHEM INC 0.6%
Value ($000) $14,177 Shares 102,000 Est. Cost $117.98 Unrealized -1.2%
GLPG GALAPAGOS NV 0.6%
Value ($000) $13,701 Shares 327,626 Est. Cost $47.23 Unrealized
NOVAVAX INC 0.5%
Value ($000) $12,674 Shares 2,456,261 Est. Cost $5.16 Unrealized
RGNX REGENXBIO INC 0.5%
Value ($000) $12,626 Shares 1,169,042 Est. Cost $25.52 Unrealized -49.9%
IMPRIVATA INC 0.5%
Value ($000) $12,420 Shares 983,366 Est. Cost $15.60 Unrealized
CTMX CYTOMX THERAPEUTICS INC 0.5%
Value ($000) $12,170 Shares 943,433 Est. Cost $15.82 Unrealized -12.2%
ALIMERA SCIENCES INC 0.4%
Value ($000) $10,287 Shares 5,878,015 Est. Cost $5.25 Unrealized
PROTEON THERAPEUTICS INC 0.4%
Value ($000) $9,794 Shares 1,265,343 Est. Cost $10.40 Unrealized
MGNX MACROGENICS INC 0.4%
Value ($000) $9,711 Shares 517,920 Est. Cost $31.37 Unrealized -39.3%
INVUITY INC 0.4%
Value ($000) $9,581 Shares 1,327,009 Est. Cost $9.32 Unrealized
ENDOCHOICE HLDGS INC 0.4%
Value ($000) $9,499 Shares 1,823,309 Est. Cost $16.24 Unrealized
ACCELERON PHARMA INC 0.4%
Value ($000) $9,329 Shares 353,491 Est. Cost $39.90 Unrealized
NANOSTRING TECHNOLOGIES INC 0.4%
Value ($000) $9,227 Shares 606,222 Est. Cost $11.15 Unrealized
ESSA PHARMA INC 0.4%
Value ($000) $8,408 Shares 2,587,215 Est. Cost $5.39 Unrealized
CEPHEID 0.3%
Value ($000) $6,917 Shares 7,750,000 Est. Cost $0.89 Unrealized
LOXO ONCOLOGY INC 0.3%
Value ($000) $6,862 Shares 251,000 Est. Cost $13.13 Unrealized
SEM SELECT MED HLDGS CORP 0.3%
Value ($000) $6,603 Shares 559,097 Est. Cost $4.94 Unrealized 0.0%
FOAMIX PHARMACEUTICALS LTD 0.3%
Value ($000) $6,187 Shares 948,934 Est. Cost $7.26 Unrealized
GENOCEA BIOSCIENCES INC 0.3%
Value ($000) $6,093 Shares 787,257 Est. Cost $11.07 Unrealized
ARALEZ PHARMACEUTICALS INC 0.2%
Value ($000) $5,838 Shares 1,644,583 Est. Cost $3.55 Unrealized
JAZZ INVESTMENTS I LTD 0.2%
Value ($000) $5,111 Shares 5,000,000 Est. Cost $1.02 Unrealized
RIGEL PHARMACEUTICALS INC 0.2%
Value ($000) $4,988 Shares 2,397,855 Est. Cost $3.57 Unrealized
NEOS THERAPEUTICS INC 0.2%
Value ($000) $4,945 Shares 458,332 Est. Cost $21.01 Unrealized
ENDOLOGIX INC 0.2%
Value ($000) $4,764 Shares 569,895 Est. Cost $8.36 Unrealized
ABIOMED INC 0.2%
Value ($000) $4,721 Shares 49,797 Est. Cost $94.80 Unrealized
OXFORD IMMUNOTEC GLOBAL PLC 0.2%
Value ($000) $4,604 Shares 464,541 Est. Cost $14.06 Unrealized
CAS MED SYS INC 0.2%
Value ($000) $4,544 Shares 3,200,000 Est. Cost $1.34 Unrealized
EGALET CORP 0.2%
Value ($000) $4,096 Shares 597,123 Est. Cost $11.91 Unrealized
ALCOBRA LTD 0.2%
Value ($000) $4,055 Shares 1,069,914 Est. Cost $5.67 Unrealized
MYOKARDIA INC 0.2%
Value ($000) $4,014 Shares 374,800 Est. Cost $14.66 Unrealized
PSIVIDA CORP 0.2%
Value ($000) $4,001 Shares 1,492,824 Est. Cost $3.68 Unrealized
SCYNEXIS INC 0.1%
Value ($000) $3,417 Shares 848,000 Est. Cost $7.49 Unrealized
STEADYMED LTD 0.1%
Value ($000) $3,313 Shares 1,346,744 Est. Cost $8.20 Unrealized
CATABASIS PHARMACEUTICALS IN 0.1%
Value ($000) $3,244 Shares 643,580 Est. Cost $12.11 Unrealized
TONIX PHARMACEUTICALS HLDG C 0.1%
Value ($000) $3,170 Shares 1,315,551 Est. Cost $6.32 Unrealized
ACUR ACURA PHARMACEUTICALS INC 0.1%
Value ($000) $2,903 Shares 1,025,641 Est. Cost $3.40 Unrealized -37.5%
TRACON PHARMACEUTICALS INC 0.1%
Value ($000) $2,776 Shares 397,085 Est. Cost $14.04 Unrealized
ARDX ARDELYX INC 0.1%
Value ($000) $2,137 Shares 275,000 Est. Cost $9.84 Unrealized 0.0%
VYGR VOYAGER THERAPEUTICS INC 0.1%
Value ($000) $2,054 Shares 235,294 Est. Cost $21.90 Unrealized
ALDX ALDEYRA THERAPEUTICS INC 0.1%
Value ($000) $1,975 Shares 471,259 Est. Cost $8.62 Unrealized -44.3%
TRILLIUM THERAPEUTICS INC 0.1%
Value ($000) $1,594 Shares 172,307 Est. Cost $20.23 Unrealized
AGILE THERAPEUTICS INC 0.1%
Value ($000) $1,553 Shares 250,000 Est. Cost $6.21 Unrealized
TRUP TRUPANION INC 0.1%
Value ($000) $1,529 Shares 155,236 Est. Cost $8.03 Unrealized +11.5%
ALPHATEC HOLDINGS INC 0.1%
Value ($000) $1,196 Shares 4,982,738 Est. Cost $1.92 Unrealized
CDNA CAREDX INC 0.0%
Value ($000) $1,136 Shares 229,000 Est. Cost $8.79 Unrealized -41.8%
ALLERGAN PLC 0.0%
Value ($000) $938 Shares 3,500 Est. Cost $268.00 Unrealized
STREAMLINE HEALTH SOLUTIONS 0.0%
Value ($000) $935 Shares 662,971 Est. Cost $4.69 Unrealized
VCYT VERACYTE INC 0.0%
Value ($000) $892 Shares 165,097 Est. Cost $9.77 Unrealized -39.5%
CIDARA THERAPEUTICS INC 0.0%
Value ($000) $873 Shares 68,779 Est. Cost $14.02 Unrealized
CORSICANTO LTD 0.0%
Value ($000) $821 Shares 1,000,000 Est. Cost $1.04 Unrealized
PFE PFIZER INC 0.0%
Value ($000) $741 Shares 25,000 Est. Cost $18.68 Unrealized 0.0%
ALLIQUA BIOMEDICAL INC 0.0%
Value ($000) $547 Shares 667,246 Est. Cost $4.93 Unrealized
PALATIN TECHNOLOGIES INC 0.0%
Value ($000) $532 Shares 985,693 Est. Cost $0.62 Unrealized
WRIGHT MED GROUP N V 0.0%
Value ($000) $498 Shares 30,000 Est. Cost $16.60 Unrealized
RENNOVA HEALTH INC 0.0%
Value ($000) $265 Shares 353,933 Est. Cost $1.35 Unrealized
OCERA THERAPEUTICS INC 0.0%
Value ($000) $221 Shares 75,293 Est. Cost $2.94 Unrealized
RENNOVA HEALTH INC 0.0%
Value ($000) $51 Shares 645,161 Est. Cost $0.44 Unrealized