DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

CIK: 0001009258 · Show all filings

Period: Q1 2014 (← Previous) (Next →)

Filing Date: May 15, 2014

Total Value ($000): $2,449,414 (79.9% shares, 20.1% debt)

Holdings (124)

HUM HUMANA INC 5.9%
Value ($000) $144,282 Shares 1,280,000 Est. Cost $88.83 Unrealized +6.6%
DENDREON CORP 5.5%
Value ($000) $133,789 Shares 183,660,000 Est. Cost $0.70 Unrealized
FLAMEL TECHNOLOGIES SA 2.9%
Value ($000) $70,464 Shares 5,258,475 Est. Cost $7.42 Unrealized
AUXILIUM PHARMACEUTICALS INC 2.8%
Value ($000) $69,763 Shares 2,566,705 Est. Cost $18.25 Unrealized
LABORATORY CORP AMER HLDGS 2.8%
Value ($000) $69,699 Shares 709,689 Est. Cost $98.21 Unrealized
DICERNA PHARMACEUTICALS INC 2.8%
Value ($000) $68,607 Shares 2,428,569 Est. Cost $28.25 Unrealized
QUESTCOR PHARMACEUTICALS INC 2.8%
Value ($000) $67,518 Shares 1,039,865 Est. Cost $54.92 Unrealized
AUSPEX PHARMACEUTICALS INC 2.5%
Value ($000) $61,181 Shares 1,988,990 Est. Cost $30.76 Unrealized
VOLCANO CORPORATION 2.4%
Value ($000) $59,767 Shares 60,500,000 Est. Cost $0.93 Unrealized
ARRAY BIOPHARMA INC 2.3%
Value ($000) $57,367 Shares 12,205,673 Est. Cost $4.58 Unrealized
INTERMUNE INC 2.2%
Value ($000) $53,015 Shares 1,583,942 Est. Cost $33.47 Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 2.2%
Value ($000) $52,839 Shares 4,444,027 Est. Cost $22.27 Unrealized -39.7%
ABBV ABBVIE INC 2.2%
Value ($000) $52,685 Shares 1,025,000 Est. Cost $31.49 Unrealized 0.0%
INTERMUNE INC 2.1%
Value ($000) $51,373 Shares 40,295,000 Est. Cost $0.82 Unrealized
QUESTCOR PHARMACEUTICALS INC 2.0%
Value ($000) $48,698 Shares 750,000 Est. Cost $54.92 Unrealized
NXSTAGE MEDICAL INC 2.0%
Value ($000) $48,427 Shares 3,801,175 Est. Cost $13.64 Unrealized
INTEGRA LIFESCIENCES HLDGS C 1.8%
Value ($000) $43,698 Shares 41,523,000 Est. Cost $0.98 Unrealized
INSM INSMED INC 1.6%
Value ($000) $38,387 Shares 2,016,147 Est. Cost $15.19 Unrealized +25.1%
HOLOGIC INC 1.6%
Value ($000) $38,347 Shares 37,516,000 Est. Cost $1.00 Unrealized
AMAG PHARMACEUTICALS INC 1.4%
Value ($000) $34,986 Shares 34,520,000 Est. Cost $1.01 Unrealized
DYAX CORP 1.4%
Value ($000) $34,003 Shares 3,786,478 Est. Cost $6.64 Unrealized
BIODELIVERY SCIENCES INTL IN 1.4%
Value ($000) $33,648 Shares 3,986,760 Est. Cost $6.51 Unrealized
INTERMUNE INC 1.4%
Value ($000) $33,470 Shares 1,000,000 Est. Cost $33.47 Unrealized
ANTARES PHARMA INC 1.4%
Value ($000) $33,210 Shares 9,488,461 Est. Cost $4.21 Unrealized
TORNIER N V 1.3%
Value ($000) $32,977 Shares 1,554,075 Est. Cost $17.65 Unrealized
UNIVERSAL AMERN CORP NEW 1.3%
Value ($000) $32,529 Shares 4,600,993 Est. Cost $8.31 Unrealized
ACCURAY INC 1.3%
Value ($000) $30,767 Shares 25,700,000 Est. Cost $1.00 Unrealized
AIR METHODS CORP 1.2%
Value ($000) $29,522 Shares 552,544 Est. Cost $44.74 Unrealized
PACB PACIFIC BIOSCIENCES CALIF IN 1.2%
Value ($000) $28,923 Shares 5,406,110 Est. Cost $3.24 Unrealized +95.2%
MCK MCKESSON CORP 1.2%
Value ($000) $28,781 Shares 163,000 Est. Cost $160.13 Unrealized 0.0%
MEDTRONIC INC 1.2%
Value ($000) $28,555 Shares 464,000 Est. Cost $61.54 Unrealized
MRK MERCK & CO INC NEW 1.1%
Value ($000) $27,091 Shares 477,200 Est. Cost $30.46 Unrealized +17.4%
ALLERGAN INC 1.1%
Value ($000) $26,760 Shares 215,636 Est. Cost $96.00 Unrealized
ARRAY BIOPHARMA INC 1.1%
Value ($000) $26,665 Shares 26,000,000 Est. Cost $0.96 Unrealized
SYNAGEVA BIOPHARMA CORP 1.1%
Value ($000) $26,358 Shares 317,678 Est. Cost $82.97 Unrealized
DGX QUEST DIAGNOSTICS INC 1.0%
Value ($000) $25,502 Shares 440,303 Est. Cost $42.22 Unrealized 0.0%
DVA DAVITA HEALTHCARE PARTNERS I 1.0%
Value ($000) $23,961 Shares 348,011 Est. Cost $58.68 Unrealized +13.2%
KERYX BIOPHARMACEUTICALS INC 1.0%
Value ($000) $23,909 Shares 1,403,105 Est. Cost $7.47 Unrealized
XENOPORT INC 0.9%
Value ($000) $22,669 Shares 4,384,797 Est. Cost $5.06 Unrealized
ALNY ALNYLAM PHARMACEUTICALS INC 0.8%
Value ($000) $20,276 Shares 302,000 Est. Cost $77.42 Unrealized 0.0%
PORTOLA PHARMACEUTICALS INC 0.8%
Value ($000) $19,939 Shares 769,848 Est. Cost $25.58 Unrealized
HORIZON PHARMA INC 0.8%
Value ($000) $19,821 Shares 1,310,930 Est. Cost $7.62 Unrealized
INTERMUNE INC 0.8%
Value ($000) $19,618 Shares 7,500,000 Est. Cost $1.07 Unrealized
PROSENSA HLDG N V 0.7%
Value ($000) $18,080 Shares 3,211,372 Est. Cost $6.58 Unrealized
OM2 ORTHOFIX INTL N V 0.7%
Value ($000) $17,832 Shares 591,431 Est. Cost $30.15 Unrealized
ZOGENIX INC 0.7%
Value ($000) $17,567 Shares 6,174,809 Est. Cost $2.38 Unrealized
MOH MOLINA HEALTHCARE INC 0.7%
Value ($000) $16,954 Shares 451,391 Est. Cost $34.85 Unrealized +5.7%
OVASCIENCE INC 0.6%
Value ($000) $14,953 Shares 1,672,549 Est. Cost $10.56 Unrealized
ARATANA THERAPEUTICS INC 0.6%
Value ($000) $14,642 Shares 788,904 Est. Cost $18.56 Unrealized
ZTS ZOETIS INC 0.6%
Value ($000) $14,470 Shares 500,000 Est. Cost Unrealized
DENDREON CORP 0.6%
Value ($000) $14,308 Shares 14,740,000 Est. Cost $0.99 Unrealized
EHTH EHEALTH INC 0.6%
Value ($000) $13,767 Shares 271,000 Est. Cost $52.08 Unrealized 0.0%
MEI PHARMA INC 0.5%
Value ($000) $12,962 Shares 1,164,575 Est. Cost $7.43 Unrealized
ALLERGAN INC 0.5%
Value ($000) $12,410 Shares 100,000 Est. Cost $96.00 Unrealized
GENOCEA BIOSCIENCES INC 0.5%
Value ($000) $12,005 Shares 659,983 Est. Cost $18.19 Unrealized
AERIE PHARMACEUTICALS INC 0.5%
Value ($000) $11,976 Shares 565,180 Est. Cost $19.48 Unrealized
ENDOLOGIX INC 0.5%
Value ($000) $11,930 Shares 12,450,000 Est. Cost $0.96 Unrealized
ANIP ANI PHARMACEUTICALS INC 0.5%
Value ($000) $11,649 Shares 371,572 Est. Cost $26.54 Unrealized 0.0%
FOUNDATION MEDICINE INC 0.5%
Value ($000) $11,100 Shares 342,921 Est. Cost $23.82 Unrealized
IMMUNOMEDICS INC 0.5%
Value ($000) $11,068 Shares 2,628,972 Est. Cost $4.21 Unrealized
AMAG PHARMACEUTICALS INC 0.4%
Value ($000) $10,351 Shares 534,930 Est. Cost $19.35 Unrealized
ALIMERA SCIENCES INC 0.4%
Value ($000) $10,346 Shares 1,311,290 Est. Cost $7.89 Unrealized
SPECTRUM PHARMACEUTICALS INC 0.4%
Value ($000) $9,921 Shares 1,265,375 Est. Cost $8.37 Unrealized
BCRX BIOCRYST PHARMACEUTICALS 0.4%
Value ($000) $9,606 Shares 907,920 Est. Cost $5.32 Unrealized +100.6%
ACCURAY INC 0.4%
Value ($000) $9,546 Shares 5,000,000 Est. Cost $1.91 Unrealized
ZELTIQ AESTHETICS INC 0.4%
Value ($000) $9,482 Shares 483,520 Est. Cost $19.61 Unrealized
IART INTEGRA LIFESCIENCES HLDGS C 0.4%
Value ($000) $9,480 Shares 206,128 Est. Cost $20.29 Unrealized +5.2%
BLUEBIRD BIO INC 0.4%
Value ($000) $9,425 Shares 414,474 Est. Cost $26.96 Unrealized
ENDOLOGIX INC 0.4%
Value ($000) $8,796 Shares 683,458 Est. Cost $12.87 Unrealized
CONCERT PHARMACEUTICALS INC 0.3%
Value ($000) $8,307 Shares 617,649 Est. Cost $13.45 Unrealized
PTCT PTC THERAPEUTICS INC 0.3%
Value ($000) $8,300 Shares 317,530 Est. Cost $17.38 Unrealized +54.6%
VNDA VANDA PHARMACEUTICALS INC 0.3%
Value ($000) $8,153 Shares 501,709 Est. Cost $10.68 Unrealized +33.1%
NANOSTRING TECHNOLOGIES INC 0.3%
Value ($000) $8,076 Shares 391,105 Est. Cost $12.28 Unrealized
CAPITAL SR LIVING CORP 0.3%
Value ($000) $8,007 Shares 308,088 Est. Cost $21.89 Unrealized
DISCOVERY LABORATORIES INC N 0.3%
Value ($000) $7,868 Shares 3,659,700 Est. Cost $2.01 Unrealized
CNC CENTENE CORP DEL 0.3%
Value ($000) $7,768 Shares 124,795 Est. Cost $14.95 Unrealized +3.5%
ARENA PHARMACEUTICALS INC 0.3%
Value ($000) $7,664 Shares 1,216,579 Est. Cost $7.70 Unrealized
KALOBIOS PHARMACEUTICALS INC 0.3%
Value ($000) $7,552 Shares 2,786,783 Est. Cost $2.71 Unrealized
SEQUENOM INC 0.3%
Value ($000) $7,466 Shares 8,377,000 Est. Cost $0.86 Unrealized
CAS MED SYS INC 0.3%
Value ($000) $6,944 Shares 3,200,000 Est. Cost $1.34 Unrealized
AUXILIUM PHARMACEUTICALS INC 0.3%
Value ($000) $6,795 Shares 250,000 Est. Cost $18.25 Unrealized
AMEDISYS INC 0.3%
Value ($000) $6,537 Shares 439,000 Est. Cost $14.89 Unrealized
ALERE INC 0.3%
Value ($000) $6,278 Shares 5,750,000 Est. Cost $0.99 Unrealized
BAX BAXTER INTL INC 0.3%
Value ($000) $6,254 Shares 85,000 Est. Cost $29.49 Unrealized +2.9%
ALPHATEC HOLDINGS INC 0.2%
Value ($000) $5,974 Shares 3,982,738 Est. Cost $2.04 Unrealized
INGN INOGEN INC 0.2%
Value ($000) $5,899 Shares 357,269 Est. Cost $17.78 Unrealized 0.0%
STREAMLINE HEALTH SOLUTIONS 0.2%
Value ($000) $5,735 Shares 1,140,100 Est. Cost $5.59 Unrealized
ANTHERA PHARMACEUTICALS INC 0.2%
Value ($000) $5,668 Shares 1,691,857 Est. Cost $4.02 Unrealized
VRTX VERTEX PHARMACEUTICALS INC 0.2%
Value ($000) $5,552 Shares 78,500 Est. Cost $79.20 Unrealized 0.0%
QURE UNIQURE NV 0.2%
Value ($000) $5,453 Shares 350,000 Est. Cost $15.95 Unrealized 0.0%
XOMA CORP DEL 0.2%
Value ($000) $5,210 Shares 1,000,000 Est. Cost $4.32 Unrealized
CANCER GENETICS INC 0.2%
Value ($000) $4,799 Shares 318,012 Est. Cost $13.78 Unrealized
LIPOSCIENCE INC 0.2%
Value ($000) $4,410 Shares 1,382,350 Est. Cost $6.59 Unrealized
NANOSPHERE INC 0.2%
Value ($000) $4,300 Shares 2,000,000 Est. Cost $2.00 Unrealized
MANNKIND CORP 0.2%
Value ($000) $4,020 Shares 1,000,000 Est. Cost Unrealized
RIGEL PHARMACEUTICALS INC 0.2%
Value ($000) $3,986 Shares 1,027,443 Est. Cost $3.48 Unrealized
DERMA SCIENCES INC 0.2%
Value ($000) $3,804 Shares 300,000 Est. Cost $12.68 Unrealized
REVANCE THERAPEUTICS INC 0.2%
Value ($000) $3,676 Shares 116,689 Est. Cost $31.50 Unrealized
EGRX EAGLE PHARMACEUTICALS INC 0.1%
Value ($000) $3,629 Shares 284,653 Est. Cost $13.58 Unrealized 0.0%
BIIB BIOGEN IDEC INC 0.1%
Value ($000) $3,594 Shares 11,750 Est. Cost $317.43 Unrealized 0.0%
AUXILIUM PHARMACEUTICALS INC 0.1%
Value ($000) $3,278 Shares 2,500,000 Est. Cost $0.99 Unrealized
INTRA CELLULAR THERAPIES INC 0.1%
Value ($000) $3,117 Shares 171,437 Est. Cost $18.18 Unrealized
OXYGEN BIOTHERAPEUTICS INC 0.1%
Value ($000) $3,053 Shares 550,000 Est. Cost $5.55 Unrealized
SUNESIS PHARMACEUTICALS INC 0.1%
Value ($000) $3,012 Shares 455,741 Est. Cost $6.61 Unrealized
TARGACEPT INC 0.1%
Value ($000) $2,931 Shares 617,000 Est. Cost $4.15 Unrealized
OCERA THERAPEUTICS INC 0.1%
Value ($000) $2,755 Shares 261,119 Est. Cost $12.52 Unrealized
ILMN ILLUMINA INC 0.1%
Value ($000) $2,631 Shares 17,697 Est. Cost $146.95 Unrealized 0.0%
TONIX PHARMACEUTICALS HLDG C 0.1%
Value ($000) $2,545 Shares 244,524 Est. Cost $10.41 Unrealized
PALATIN TECHNOLOGIES INC 0.1%
Value ($000) $2,460 Shares 2,000,000 Est. Cost $0.62 Unrealized
THERAPEUTICSMD INC 0.1%
Value ($000) $2,373 Shares 376,049 Est. Cost $6.31 Unrealized
MERGE HEALTHCARE INC 0.1%
Value ($000) $2,341 Shares 959,580 Est. Cost $2.44 Unrealized
EXEL EXELIXIS INC 0.1%
Value ($000) $1,770 Shares 500,000 Est. Cost $6.81 Unrealized 0.0%
REGN REGENERON PHARMACEUTICALS 0.1%
Value ($000) $1,441 Shares 4,799 Est. Cost $306.39 Unrealized 0.0%
EXEL EXELIXIS INC 0.1%
Value ($000) $1,416 Shares 400,000 Est. Cost $6.81 Unrealized 0.0%
A AGILENT TECHNOLOGIES INC 0.1%
Value ($000) $1,398 Shares 25,000 Est. Cost $37.33 Unrealized 0.0%
NBIX NEUROCRINE BIOSCIENCES INC 0.1%
Value ($000) $1,256 Shares 77,994 Est. Cost $17.10 Unrealized 0.0%
FURIEX PHARMACEUTICALS INC 0.0%
Value ($000) $1,161 Shares 13,340 Est. Cost $87.03 Unrealized
HOLX HOLOGIC INC 0.0%
Value ($000) $914 Shares 42,500 Est. Cost $21.57 Unrealized 0.0%
MYLAN INC 0.0%
Value ($000) $855 Shares 17,500 Est. Cost $38.17 Unrealized
MEDIVATION INC 0.0%
Value ($000) $805 Shares 12,500 Est. Cost $64.40 Unrealized
AQUINOX PHARMACEUTICALS INC 0.0%
Value ($000) $794 Shares 62,387 Est. Cost $12.73 Unrealized
SYNERON MEDICAL LTD 0.0%
Value ($000) $430 Shares 34,518 Est. Cost $12.46 Unrealized
ACHILLION PHARMACEUTICALS IN 0.0%
Value ($000) $305 Shares 92,804 Est. Cost $3.29 Unrealized
NOVADAQ TECHNOLOGIES INC 0.0%
Value ($000) $223 Shares 10,000 Est. Cost $16.49 Unrealized