DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

Location: New York, NY

CIK: 0001009258 · Show all filings

Period: Q3 2013 (← Previous) (Next →)

Filing Date: Nov 14, 2013

Total Value: $2.15B (77.0% shares, 23.0% debt)

Holdings (113)

DENDREON CORP 5.1%
Value $110M Shares 177,383,000 Est. Cost Unrealized
CUBIST PHARMACEUTICALS INC 4.4%
Value $95.33M Shares 1,500,000 Est. Cost Unrealized
NXSTAGE MEDICAL INC 3.1%
Value $66.16M Shares 5,027,164 Est. Cost Unrealized
ARRAY BIOPHARMA INC 3.1%
Value $65.84M Shares 10,585,406 Est. Cost Unrealized
NUVASIVE INC 2.9%
Value $62.43M Shares 64,136,000 Est. Cost Unrealized
PFE PFIZER INC 2.4%
Value $51.85M Shares 1,805,000 Est. Cost Unrealized
VOLCANO CORPORATION 2.4%
Value $51.66M Shares 50,000,000 Est. Cost Unrealized
AZN ASTRAZENECA PLC 2.2%
Value $48.19M Shares 928,000 Est. Cost Unrealized
AUXILIUM PHARMACEUTICALS INC 2.1%
Value $45.29M Shares 2,488,328 Est. Cost Unrealized
ABBV ABBVIE INC 2.1%
Value $44.95M Shares 1,005,000 Est. Cost Unrealized
INTEGRA LIFESCIENCES HLDGS C 2.0%
Value $42.16M Shares 41,523,000 Est. Cost Unrealized
KERYX BIOPHARMACEUTICALS INC 1.8%
Value $38.84M Shares 3,849,296 Est. Cost Unrealized
HOLOGIC INC 1.8%
Value $37.93M Shares 37,516,000 Est. Cost Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 1.8%
Value $37.85M Shares 2,171,744 Est. Cost Unrealized
INTERMUNE INC 1.7%
Value $37.23M Shares 41,570,000 Est. Cost Unrealized
CUBIST PHARMACEUTICALS INC 1.6%
Value $35.21M Shares 554,000 Est. Cost Unrealized
ANTARES PHARMA INC 1.6%
Value $35.13M Shares 8,653,119 Est. Cost Unrealized
TEVA TEVA PHARMACEUTICAL INDS LTD 1.6%
Value $33.73M Shares 892,759 Est. Cost Unrealized
EXELIXIS INC 1.6%
Value $33.67M Shares 29,000,000 Est. Cost Unrealized
THORATEC CORP 1.5%
Value $33.23M Shares 891,000 Est. Cost Unrealized
THC TENET HEALTHCARE CORP 1.5%
Value $32.46M Shares 788,000 Est. Cost Unrealized
FOREST LABS INC 1.5%
Value $31.88M Shares 745,000 Est. Cost Unrealized
DYAX CORP 1.4%
Value $30.41M Shares 4,432,625 Est. Cost Unrealized
MYLAN INC 1.4%
Value $29.7M Shares 778,000 Est. Cost Unrealized
CYH COMMUNITY HEALTH SYS INC NEW 1.4%
Value $29.54M Shares 711,738 Est. Cost Unrealized
BROOKDALE SR LIVING INC 1.4%
Value $29.26M Shares 25,000,000 Est. Cost Unrealized
AIR METHODS CORP 1.3%
Value $28.97M Shares 680,561 Est. Cost Unrealized
MOMENTA PHARMACEUTICALS INC 1.3%
Value $28.89M Shares 2,007,886 Est. Cost Unrealized
FLAMEL TECHNOLOGIES SA 1.3%
Value $28.43M Shares 4,333,475 Est. Cost Unrealized
TORNIER N V 1.3%
Value $28.18M Shares 1,458,071 Est. Cost Unrealized
XOMA CORP DEL 1.3%
Value $27.37M Shares 6,096,634 Est. Cost Unrealized
ALLERGAN INC 1.3%
Value $27.14M Shares 300,000 Est. Cost Unrealized
PACB PACIFIC BIOSCIENCES CALIF IN 1.3%
Value $26.96M Shares 4,884,368 Est. Cost Unrealized
ANGO ANGIODYNAMICS INC 1.2%
Value $26.57M Shares 2,013,104 Est. Cost Unrealized
ARRAY BIOPHARMA INC 1.2%
Value $26.38M Shares 23,000,000 Est. Cost Unrealized
XENOPORT INC 1.2%
Value $26.16M Shares 4,605,976 Est. Cost Unrealized
ONCONOVA THERAPEUTICS INC 1.2%
Value $25.61M Shares 967,696 Est. Cost Unrealized
SPECTRUM PHARMACEUTICALS INC 1.2%
Value $25.41M Shares 3,031,750 Est. Cost Unrealized
ALNY ALNYLAM PHARMACEUTICALS INC 1.1%
Value $24.53M Shares 383,158 Est. Cost Unrealized
MRK MERCK & CO INC NEW 1.1%
Value $22.61M Shares 475,000 Est. Cost Unrealized
AETNA INC NEW 1.1%
Value $22.6M Shares 353,000 Est. Cost Unrealized
ARIAD PHARMACEUTICALS INC 1.1%
Value $22.58M Shares 1,227,204 Est. Cost Unrealized
UNIVERSAL AMERN CORP NEW 1.0%
Value $22.3M Shares 2,926,100 Est. Cost Unrealized
CAPITAL SR LIVING CORP 1.0%
Value $22.22M Shares 1,050,648 Est. Cost Unrealized
ACCURAY INC 1.0%
Value $22.03M Shares 21,200,000 Est. Cost Unrealized
PROSENSA HLDG N V 1.0%
Value $21.31M Shares 3,224,524 Est. Cost Unrealized
GMED GLOBUS MED INC 1.0%
Value $20.91M Shares 1,197,765 Est. Cost Unrealized
SAGENT PHARMACEUTICALS INC 1.0%
Value $20.7M Shares 1,014,863 Est. Cost Unrealized
PTCT PTC THERAPEUTICS INC 0.8%
Value $18.13M Shares 845,027 Est. Cost Unrealized
PHARMACYCLICS INC 0.8%
Value $17.56M Shares 127,030 Est. Cost Unrealized
CAH CARDINAL HEALTH INC 0.8%
Value $16.95M Shares 325,000 Est. Cost Unrealized
ALLERGAN INC 0.8%
Value $16.73M Shares 184,955 Est. Cost Unrealized
MOH MOLINA HEALTHCARE INC 0.8%
Value $16.34M Shares 459,000 Est. Cost Unrealized
INSM INSMED INC 0.7%
Value $14.53M Shares 930,750 Est. Cost Unrealized
BIODELIVERY SCIENCES INTL IN 0.7%
Value $14.21M Shares 2,617,586 Est. Cost Unrealized
EW EDWARDS LIFESCIENCES CORP 0.6%
Value $13.93M Shares 200,000 Est. Cost Unrealized
QUESTCOR PHARMACEUTICALS INC 0.6%
Value $13.56M Shares 233,767 Est. Cost Unrealized
TEVA TEVA PHARMACEUTICAL INDS LTD 0.6%
Value $13.22M Shares 350,000 Est. Cost Unrealized
DENDREON CORP 0.6%
Value $13.21M Shares 13,740,000 Est. Cost Unrealized
BCRX BIOCRYST PHARMACEUTICALS 0.6%
Value $11.88M Shares 1,632,360 Est. Cost Unrealized
BLUEBIRD BIO INC 0.5%
Value $11.41M Shares 423,224 Est. Cost Unrealized
DEPOMED INC 0.5%
Value $11.24M Shares 1,505,000 Est. Cost Unrealized
BIOSCRIP INC 0.5%
Value $10.97M Shares 1,249,041 Est. Cost Unrealized
INTERMUNE INC 0.5%
Value $10.51M Shares 7,500,000 Est. Cost Unrealized
NANOSPHERE INC 0.5%
Value $10.29M Shares 5,143,219 Est. Cost Unrealized
MEI PHARMA INC 0.4%
Value $9.25M Shares 822,199 Est. Cost Unrealized
CEMPRA INC 0.4%
Value $9.24M Shares 803,516 Est. Cost Unrealized
VNDA VANDA PHARMACEUTICALS INC 0.4%
Value $8.979M Shares 820,000 Est. Cost Unrealized
ZOGENIX INC 0.4%
Value $8.297M Shares 4,482,646 Est. Cost Unrealized
CCRN CROSS CTRY HEALTHCARE INC 0.4%
Value $8.115M Shares 1,343,464 Est. Cost Unrealized
ALPHATEC HOLDINGS INC 0.4%
Value $7.846M Shares 3,982,738 Est. Cost Unrealized
ACCURAY INC 0.3%
Value $7.521M Shares 5,000,000 Est. Cost Unrealized
LIPOSCIENCE INC 0.3%
Value $6.912M Shares 1,382,350 Est. Cost Unrealized
ANTHERA PHARMACEUTICALS INC 0.3%
Value $6.801M Shares 1,691,857 Est. Cost Unrealized
ARENA PHARMACEUTICALS INC 0.3%
Value $6.411M Shares 1,216,579 Est. Cost Unrealized
ALERE INC 0.3%
Value $6.052M Shares 5,750,000 Est. Cost Unrealized
OVASCIENCE INC 0.3%
Value $6.02M Shares 607,461 Est. Cost Unrealized
MYLAN INC 0.3%
Value $5.726M Shares 150,000 Est. Cost Unrealized
NANOSTRING TECHNOLOGIES INC 0.3%
Value $5.463M Shares 496,650 Est. Cost Unrealized
AIR METHODS CORP 0.2%
Value $5.32M Shares 125,000 Est. Cost Unrealized
SRPT SAREPTA THERAPEUTICS INC 0.2%
Value $4.723M Shares 100,000 Est. Cost Unrealized
CAS MED SYS INC 0.2%
Value $4.288M Shares 3,200,000 Est. Cost Unrealized
FOREST LABS INC 0.2%
Value $4.279M Shares 100,000 Est. Cost Unrealized
AGIO AGIOS PHARMACEUTICALS INC 0.2%
Value $4.223M Shares 151,050 Est. Cost Unrealized
EXPRESS SCRIPTS HLDG CO 0.2%
Value $4.017M Shares 65,000 Est. Cost Unrealized
RIGEL PHARMACEUTICALS INC 0.2%
Value $3.822M Shares 1,067,726 Est. Cost Unrealized
THERAPEUTICSMD INC 0.2%
Value $3.663M Shares 1,250,000 Est. Cost Unrealized
NOVAVAX INC 0.2%
Value $3.392M Shares 1,076,980 Est. Cost Unrealized
PORTOLA PHARMACEUTICALS INC 0.1%
Value $3.195M Shares 119,448 Est. Cost Unrealized
SYNAGEVA BIOPHARMA CORP 0.1%
Value $3.17M Shares 50,000 Est. Cost Unrealized
LCA-VISION INC 0.1%
Value $2.631M Shares 730,856 Est. Cost Unrealized
SEQUENOM INC 0.1%
Value $2.63M Shares 985,000 Est. Cost Unrealized
AUXILIUM PHARMACEUTICALS INC 0.1%
Value $2.583M Shares 2,500,000 Est. Cost Unrealized
DURATA THERAPEUTICS INC 0.1%
Value $2.495M Shares 275,979 Est. Cost Unrealized
DISCOVERY LABORATORIES INC N 0.1%
Value $2.328M Shares 1,188,000 Est. Cost Unrealized
MANNKIND CORP 0.1%
Value $2.062M Shares 2,090,000 Est. Cost Unrealized
DENDREON CORP 0.1%
Value $2.051M Shares 700,000 Est. Cost Unrealized
HOLX HOLOGIC INC 0.1%
Value $1.989M Shares 96,330 Est. Cost Unrealized
ELAN PLC 0.1%
Value $1.558M Shares 100,000 Est. Cost Unrealized
PALATIN TECHNOLOGIES INC 0.1%
Value $1.38M Shares 2,000,000 Est. Cost Unrealized
IRWD IRONWOOD PHARMACEUTICALS INC 0.1%
Value $1.184M Shares 100,000 Est. Cost Unrealized
MAST THERAPEUTICS INC 0.1%
Value $1.156M Shares 2,634,221 Est. Cost Unrealized
GTX INC DEL 0.0%
Value $1.013M Shares 500,000 Est. Cost Unrealized
BAX BAXTER INTL INC 0.0%
Value $985K Shares 15,000 Est. Cost Unrealized
SOLTA MED INC 0.0%
Value $702K Shares 339,063 Est. Cost Unrealized
ENDOCYTE INC 0.0%
Value $672K Shares 50,430 Est. Cost Unrealized
AVANIR PHARMACEUTICALS INC 0.0%
Value $656K Shares 155,000 Est. Cost Unrealized
SOPHIRIS BIO INC 0.0%
Value $578K Shares 123,585 Est. Cost Unrealized
CATAMARAN CORP 0.0%
Value $574K Shares 12,500 Est. Cost Unrealized
BACTERIN INTL HLDGS INC 0.0%
Value $517K Shares 771,775 Est. Cost Unrealized
BRKR BRUKER CORP 0.0%
Value $434K Shares 21,000 Est. Cost Unrealized
ICAD INC 0.0%
Value $205K Shares 38,887 Est. Cost Unrealized
OREXIGEN THERAPEUTICS INC 0.0%
Value $138K Shares 22,575 Est. Cost Unrealized