DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

Location: New York, NY

CIK: 0001009258 · Show all filings

Period: Q2 2013 (Next →)

Filing Date: Aug 14, 2013

Total Value: $2.122B (76.9% shares, 23.1% debt)

Holdings (114)

DENDREON CORP 4.0%
Value $84.44M Shares 114,140,000 Est. Cost Unrealized
AUXILIUM PHARMACEUTICALS INC 3.8%
Value $80.67M Shares 4,850,644 Est. Cost Unrealized
CUBIST PHARMACEUTICALS INC 3.4%
Value $72.44M Shares 1,500,000 Est. Cost Unrealized
EXELIXIS INC 3.1%
Value $65.45M Shares 67,000,000 Est. Cost Unrealized
NUVASIVE INC 2.9%
Value $61.05M Shares 61,136,000 Est. Cost Unrealized
NXSTAGE MEDICAL INC 2.6%
Value $55.83M Shares 3,909,914 Est. Cost Unrealized
PFE PFIZER INC 2.4%
Value $51.96M Shares 1,855,000 Est. Cost Unrealized
ARRAY BIOPHARMA INC 2.3%
Value $49.42M Shares 10,885,406 Est. Cost Unrealized
TEVA TEVA PHARMACEUTICAL INDS LTD 2.3%
Value $48.72M Shares 1,242,759 Est. Cost Unrealized
HOLOGIC INC 2.2%
Value $47.57M Shares 47,516,000 Est. Cost Unrealized
VOLCANO CORPORATION 2.2%
Value $46.13M Shares 50,000,000 Est. Cost Unrealized
AZN ASTRAZENECA PLC 2.1%
Value $43.89M Shares 928,000 Est. Cost Unrealized
KERYX BIOPHARMACEUTICALS INC 2.1%
Value $43.81M Shares 5,864,612 Est. Cost Unrealized
OPTIMER PHARMACEUTICALS INC 2.1%
Value $43.78M Shares 3,025,829 Est. Cost Unrealized
SAGENT PHARMACEUTICALS INC 2.1%
Value $43.68M Shares 2,082,167 Est. Cost Unrealized
INTEGRA LIFESCIENCES HLDGS C 1.9%
Value $40.59M Shares 41,523,000 Est. Cost Unrealized
ANTARES PHARMA INC 1.8%
Value $39.1M Shares 9,400,000 Est. Cost Unrealized
FOREST LABS INC 1.8%
Value $38.74M Shares 945,000 Est. Cost Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 1.8%
Value $38.13M Shares 2,354,963 Est. Cost Unrealized
INTERMUNE INC 1.6%
Value $34.06M Shares 41,570,000 Est. Cost Unrealized
NEKTAR THERAPEUTICS 1.6%
Value $33.95M Shares 2,939,741 Est. Cost Unrealized
CUBIST PHARMACEUTICALS INC 1.6%
Value $33.56M Shares 695,000 Est. Cost Unrealized
CAH CARDINAL HEALTH INC 1.6%
Value $33.04M Shares 700,000 Est. Cost Unrealized
ALLERGAN INC 1.5%
Value $31.61M Shares 375,300 Est. Cost Unrealized
ANGO ANGIODYNAMICS INC 1.4%
Value $29.91M Shares 2,651,466 Est. Cost Unrealized
CYH COMMUNITY HEALTH SYS INC NEW 1.4%
Value $29.82M Shares 636,124 Est. Cost Unrealized
BROOKDALE SR LIVING INC 1.4%
Value $29.47M Shares 25,000,000 Est. Cost Unrealized
AIR METHODS CORP 1.4%
Value $29.43M Shares 869,025 Est. Cost Unrealized
TORNIER N V 1.4%
Value $28.81M Shares 1,646,318 Est. Cost Unrealized
UNIVERSAL AMERN CORP NEW 1.3%
Value $27.25M Shares 3,065,003 Est. Cost Unrealized
CATAMARAN CORP 1.3%
Value $26.82M Shares 550,000 Est. Cost Unrealized
MRK MERCK & CO INC NEW 1.3%
Value $26.71M Shares 575,000 Est. Cost Unrealized
FLAMEL TECHNOLOGIES SA 1.3%
Value $26.6M Shares 4,333,475 Est. Cost Unrealized
ABBV ABBVIE INC 1.2%
Value $25.51M Shares 617,000 Est. Cost Unrealized
ALLERGAN INC 1.2%
Value $25.27M Shares 300,000 Est. Cost Unrealized
ST JUDE MED INC 1.1%
Value $23.96M Shares 525,000 Est. Cost Unrealized
AETNA INC NEW 1.0%
Value $22.24M Shares 350,000 Est. Cost Unrealized
ARIAD PHARMACEUTICALS INC 1.0%
Value $22.13M Shares 1,265,104 Est. Cost Unrealized
ARRAY BIOPHARMA INC 1.0%
Value $21.78M Shares 23,000,000 Est. Cost Unrealized
ALNY ALNYLAM PHARMACEUTICALS INC 1.0%
Value $21.51M Shares 694,000 Est. Cost Unrealized
HEARTWARE INTL INC 1.0%
Value $21.42M Shares 225,167 Est. Cost Unrealized
MOH MOLINA HEALTHCARE INC 1.0%
Value $21.19M Shares 570,000 Est. Cost Unrealized
CYTOKINETICS INC 1.0%
Value $20.59M Shares 1,779,622 Est. Cost Unrealized
CLOVIS ONCOLOGY INC 1.0%
Value $20.5M Shares 306,018 Est. Cost Unrealized
ACCURAY INC 1.0%
Value $20.33M Shares 21,200,000 Est. Cost Unrealized
XENOPORT INC 0.9%
Value $20.15M Shares 4,070,090 Est. Cost Unrealized
HCA HCA HOLDINGS INC 0.9%
Value $19.94M Shares 553,020 Est. Cost Unrealized
ARENA PHARMACEUTICALS INC 0.9%
Value $19.78M Shares 2,568,588 Est. Cost Unrealized
ACAD ACADIA PHARMACEUTICALS INC 0.9%
Value $19.37M Shares 1,067,115 Est. Cost Unrealized
THC TENET HEALTHCARE CORP 0.9%
Value $18.81M Shares 408,120 Est. Cost Unrealized
PHARMACYCLICS INC 0.9%
Value $18.04M Shares 227,030 Est. Cost Unrealized
HUM HUMANA INC 0.7%
Value $15.86M Shares 188,000 Est. Cost Unrealized
BMRN BIOMARIN PHARMACEUTICAL INC 0.6%
Value $13.77M Shares 247,000 Est. Cost Unrealized
DENDREON CORP 0.6%
Value $13.61M Shares 13,740,000 Est. Cost Unrealized
EW EDWARDS LIFESCIENCES CORP 0.6%
Value $13.44M Shares 200,000 Est. Cost Unrealized
ACHILLION PHARMACEUTICALS IN 0.6%
Value $13.33M Shares 1,629,833 Est. Cost Unrealized
PORTOLA PHARMACEUTICALS INC 0.6%
Value $12.96M Shares 527,410 Est. Cost Unrealized
CEMPRA INC 0.6%
Value $12.48M Shares 1,606,510 Est. Cost Unrealized
PACB PACIFIC BIOSCIENCES CALIF IN 0.6%
Value $12.36M Shares 4,884,368 Est. Cost Unrealized
BIODELIVERY SCIENCES INTL IN 0.5%
Value $10.63M Shares 2,617,586 Est. Cost Unrealized
DENDREON CORP 0.5%
Value $10.3M Shares 2,500,000 Est. Cost Unrealized
IART INTEGRA LIFESCIENCES HLDGS C 0.4%
Value $9.452M Shares 258,044 Est. Cost Unrealized
SEATTLE GENETICS INC 0.4%
Value $9.438M Shares 300,000 Est. Cost Unrealized
RIGEL PHARMACEUTICALS INC 0.4%
Value $9.052M Shares 2,710,053 Est. Cost Unrealized
DEPOMED INC 0.4%
Value $8.458M Shares 1,505,000 Est. Cost Unrealized
CCRN CROSS CTRY HEALTHCARE INC 0.4%
Value $8.164M Shares 1,582,227 Est. Cost Unrealized
ARAY ACCURAY INC 0.4%
Value $8.151M Shares 1,420,000 Est. Cost Unrealized
INTERMUNE INC 0.4%
Value $8.025M Shares 7,500,000 Est. Cost Unrealized
MDRX ALLSCRIPTS HEALTHCARE SOLUTN 0.4%
Value $8.015M Shares 619,360 Est. Cost Unrealized
LIPOSCIENCE INC 0.4%
Value $7.708M Shares 1,102,744 Est. Cost Unrealized
OVASCIENCE INC 0.4%
Value $7.628M Shares 555,555 Est. Cost Unrealized
ALPHATEC HOLDINGS INC 0.4%
Value $7.529M Shares 3,672,604 Est. Cost Unrealized
INSM INSMED INC 0.3%
Value $6.623M Shares 553,793 Est. Cost Unrealized
ZOGENIX INC 0.3%
Value $6.581M Shares 3,848,572 Est. Cost Unrealized
ANTHERA PHARMACEUTICALS INC 0.3%
Value $6.434M Shares 13,893,465 Est. Cost Unrealized
ACCURAY INC 0.3%
Value $6.256M Shares 5,000,000 Est. Cost Unrealized
ATRC ATRICURE INC 0.3%
Value $5.985M Shares 630,000 Est. Cost Unrealized
MEI PHARMA INC 0.3%
Value $5.862M Shares 822,199 Est. Cost Unrealized
ALERE INC 0.3%
Value $5.71M Shares 5,750,000 Est. Cost Unrealized
DURATA THERAPEUTICS INC 0.3%
Value $5.418M Shares 752,539 Est. Cost Unrealized
XOMA CORP DEL 0.2%
Value $4.356M Shares 1,200,000 Est. Cost Unrealized
FOREST LABS INC 0.2%
Value $4.1M Shares 100,000 Est. Cost Unrealized
VOCERA COMMUNICATIONS INC 0.2%
Value $4.026M Shares 273,858 Est. Cost Unrealized
TETRAPHASE PHARMACEUTICALS I 0.2%
Value $3.901M Shares 554,898 Est. Cost Unrealized
MANNKIND CORP 0.1%
Value $2.725M Shares 2,500,000 Est. Cost Unrealized
AMEDISYS INC 0.1%
Value $2.704M Shares 233,066 Est. Cost Unrealized
LCA-VISION INC 0.1%
Value $2.509M Shares 830,856 Est. Cost Unrealized
MERGE HEALTHCARE INC 0.1%
Value $2.479M Shares 688,510 Est. Cost Unrealized
DYAX CORP 0.1%
Value $2.352M Shares 679,866 Est. Cost Unrealized
ELAN PLC 0.1%
Value $2.334M Shares 165,084 Est. Cost Unrealized
DISCOVERY LABORATORIES INC N 0.1%
Value $2.026M Shares 1,333,000 Est. Cost Unrealized
MANNKIND CORP 0.1%
Value $2.022M Shares 2,090,000 Est. Cost Unrealized
RITE AID CORP 0.1%
Value $2.002M Shares 700,000 Est. Cost Unrealized
GILD GILEAD SCIENCES INC 0.1%
Value $1.794M Shares 35,000 Est. Cost Unrealized
MAST THERAPEUTICS INC 0.1%
Value $1.695M Shares 3,948,302 Est. Cost Unrealized
CATAMARAN CORP 0.1%
Value $1.463M Shares 30,000 Est. Cost Unrealized
AUXILIUM PHARMACEUTICALS INC 0.1%
Value $1.452M Shares 1,500,000 Est. Cost Unrealized
PALATIN TECHNOLOGIES INC 0.1%
Value $1.24M Shares 2,000,000 Est. Cost Unrealized
IRWD IRONWOOD PHARMACEUTICALS INC 0.0%
Value $993K Shares 100,000 Est. Cost Unrealized
BACTERIN INTL HLDGS INC 0.0%
Value $866K Shares 1,924,386 Est. Cost Unrealized
GENTIVA HEALTH SERVICES INC 0.0%
Value $775K Shares 77,839 Est. Cost Unrealized
SOLTA MED INC 0.0%
Value $773K Shares 339,063 Est. Cost Unrealized
WARNER CHILCOTT PLC IRELAND 0.0%
Value $688K Shares 34,543 Est. Cost Unrealized
HOLX HOLOGIC INC 0.0%
Value $676K Shares 35,000 Est. Cost Unrealized
ILMN ILLUMINA INC 0.0%
Value $629K Shares 8,399 Est. Cost Unrealized
MYGN MYRIAD GENETICS INC 0.0%
Value $505K Shares 18,777 Est. Cost Unrealized
QUESTCOR PHARMACEUTICALS INC 0.0%
Value $454K Shares 10,000 Est. Cost Unrealized
LHC GROUP INC 0.0%
Value $374K Shares 19,087 Est. Cost Unrealized
ENDOCYTE INC 0.0%
Value $364K Shares 27,708 Est. Cost Unrealized
ALKS ALKERMES PLC 0.0%
Value $315K Shares 11,000 Est. Cost Unrealized
ALMOST FAMILY INC 0.0%
Value $252K Shares 13,200 Est. Cost Unrealized
SPECTRUM PHARMACEUTICALS INC 0.0%
Value $237K Shares 31,750 Est. Cost Unrealized
ICAD INC 0.0%
Value $233K Shares 38,887 Est. Cost Unrealized
OREXIGEN THERAPEUTICS INC 0.0%
Value $132K Shares 22,575 Est. Cost Unrealized