DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

Location: New York, NY

CIK: 0001009258 · Show all filings

Period: Q4 2013 (← Previous) (Next →)

Filing Date: Feb 14, 2014

Total Value: $1.93B (74.2% shares, 25.8% debt)

Holdings (106)

DENDREON CORP 6.0%
Value $116M Shares 183,660,000 Est. Cost Unrealized
AUXILIUM PHARMACEUTICALS INC 4.4%
Value $85.27M Shares 4,113,385 Est. Cost Unrealized
QUESTCOR PHARMACEUTICALS INC 4.2%
Value $82.02M Shares 1,506,297 Est. Cost Unrealized
CUBIST PHARMACEUTICALS INC 3.6%
Value $68.87M Shares 1,000,000 Est. Cost Unrealized
VOLCANO CORPORATION 3.1%
Value $59.75M Shares 60,500,000 Est. Cost Unrealized
ARRAY BIOPHARMA INC 2.9%
Value $56.29M Shares 11,235,406 Est. Cost Unrealized
NXSTAGE MEDICAL INC 2.9%
Value $55.71M Shares 5,570,639 Est. Cost Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 2.8%
Value $54.99M Shares 3,981,743 Est. Cost Unrealized
NUVASIVE INC 2.4%
Value $45.56M Shares 42,136,000 Est. Cost Unrealized
ANTARES PHARMA INC 2.3%
Value $45.34M Shares 10,141,174 Est. Cost Unrealized
INTEGRA LIFESCIENCES HLDGS C 2.3%
Value $44.49M Shares 41,523,000 Est. Cost Unrealized
HUM HUMANA INC 2.2%
Value $42.8M Shares 414,670 Est. Cost Unrealized
HOLOGIC INC 2.0%
Value $38.34M Shares 37,516,000 Est. Cost Unrealized
INTERMUNE INC 1.9%
Value $37.17M Shares 41,570,000 Est. Cost Unrealized
MRK MERCK & CO INC NEW 1.9%
Value $36.29M Shares 725,000 Est. Cost Unrealized
HORIZON PHARMA INC 1.8%
Value $35.35M Shares 4,638,888 Est. Cost Unrealized
FLAMEL TECHNOLOGIES SA 1.8%
Value $34.88M Shares 4,333,475 Est. Cost Unrealized
GMED GLOBUS MED INC 1.8%
Value $34.19M Shares 1,694,472 Est. Cost Unrealized
CAPITAL SR LIVING CORP 1.8%
Value $34.02M Shares 1,418,111 Est. Cost Unrealized
UNIVERSAL AMERN CORP NEW 1.7%
Value $33.59M Shares 4,600,692 Est. Cost Unrealized
DVA DAVITA HEALTHCARE PARTNERS I 1.6%
Value $30.73M Shares 485,000 Est. Cost Unrealized
EXELIXIS INC 1.6%
Value $30.69M Shares 25,050,000 Est. Cost Unrealized
HUM HUMANA INC 1.5%
Value $28.9M Shares 280,000 Est. Cost Unrealized
TORNIER N V 1.5%
Value $28.37M Shares 1,509,974 Est. Cost Unrealized
QUESTCOR PHARMACEUTICALS INC 1.4%
Value $27.23M Shares 500,000 Est. Cost Unrealized
CUBIST PHARMACEUTICALS INC 1.4%
Value $26.6M Shares 386,282 Est. Cost Unrealized
XOMA CORP DEL 1.3%
Value $25.62M Shares 3,806,868 Est. Cost Unrealized
DYAX CORP 1.3%
Value $25.3M Shares 3,357,747 Est. Cost Unrealized
ARRAY BIOPHARMA INC 1.2%
Value $23.98M Shares 23,000,000 Est. Cost Unrealized
ACCURAY INC 1.2%
Value $23.72M Shares 21,200,000 Est. Cost Unrealized
PACB PACIFIC BIOSCIENCES CALIF IN 1.2%
Value $22.76M Shares 4,351,262 Est. Cost Unrealized
AETNA INC NEW 1.2%
Value $22.43M Shares 327,000 Est. Cost Unrealized
MOH MOLINA HEALTHCARE INC 1.2%
Value $22.41M Shares 644,971 Est. Cost Unrealized
XENOPORT INC 1.1%
Value $21.38M Shares 3,719,040 Est. Cost Unrealized
PORTOLA PHARMACEUTICALS INC 1.1%
Value $21.26M Shares 825,675 Est. Cost Unrealized
SPECTRUM PHARMACEUTICALS INC 1.1%
Value $20.9M Shares 2,361,405 Est. Cost Unrealized
MOMENTA PHARMACEUTICALS INC 1.0%
Value $20.1M Shares 1,136,645 Est. Cost Unrealized
KERYX BIOPHARMACEUTICALS INC 1.0%
Value $19.21M Shares 1,483,260 Est. Cost Unrealized
BROOKDALE SR LIVING INC 1.0%
Value $18.54M Shares 15,500,000 Est. Cost Unrealized
CNC CENTENE CORP DEL 1.0%
Value $18.44M Shares 312,812 Est. Cost Unrealized
INSM INSMED INC 0.9%
Value $17.89M Shares 1,052,245 Est. Cost Unrealized
ALLERGAN INC 0.9%
Value $16.88M Shares 152,000 Est. Cost Unrealized
MYLAN INC 0.9%
Value $16.58M Shares 382,000 Est. Cost Unrealized
PROSENSA HLDG N V 0.8%
Value $14.57M Shares 3,119,381 Est. Cost Unrealized
SEQUENOM INC 0.8%
Value $14.51M Shares 16,877,000 Est. Cost Unrealized
AIR METHODS CORP 0.7%
Value $14.29M Shares 245,292 Est. Cost Unrealized
DENDREON CORP 0.7%
Value $14.19M Shares 14,740,000 Est. Cost Unrealized
TEVA TEVA PHARMACEUTICAL INDS LTD 0.7%
Value $14.03M Shares 350,000 Est. Cost Unrealized
PRTA PROTHENA CORP PLC 0.7%
Value $14.02M Shares 528,705 Est. Cost Unrealized
DEPOMED INC 0.7%
Value $13.34M Shares 1,260,661 Est. Cost Unrealized
IART INTEGRA LIFESCIENCES HLDGS C 0.7%
Value $12.98M Shares 272,055 Est. Cost Unrealized
NANOSPHERE INC 0.6%
Value $10.87M Shares 4,746,913 Est. Cost Unrealized
NANOSTRING TECHNOLOGIES INC 0.6%
Value $10.77M Shares 624,711 Est. Cost Unrealized
BIODELIVERY SCIENCES INTL IN 0.5%
Value $10.37M Shares 1,760,725 Est. Cost Unrealized
INTERMUNE INC 0.5%
Value $10.29M Shares 7,500,000 Est. Cost Unrealized
MEI PHARMA INC 0.5%
Value $10.05M Shares 1,254,519 Est. Cost Unrealized
PTCT PTC THERAPEUTICS INC 0.5%
Value $9.249M Shares 545,027 Est. Cost Unrealized
BLUEBIRD BIO INC 0.5%
Value $8.879M Shares 423,224 Est. Cost Unrealized
ZOGENIX INC 0.5%
Value $8.841M Shares 2,570,000 Est. Cost Unrealized
ACCURAY INC 0.4%
Value $8.642M Shares 5,000,000 Est. Cost Unrealized
FOUNDATION MEDICINE INC 0.4%
Value $8.242M Shares 346,018 Est. Cost Unrealized
DISCOVERY LABORATORIES INC N 0.4%
Value $8.234M Shares 3,659,700 Est. Cost Unrealized
ALPHATEC HOLDINGS INC 0.4%
Value $8.005M Shares 3,982,738 Est. Cost Unrealized
VNDA VANDA PHARMACEUTICALS INC 0.4%
Value $7.834M Shares 631,276 Est. Cost Unrealized
AIR METHODS CORP 0.4%
Value $7.283M Shares 125,000 Est. Cost Unrealized
BAX BAXTER INTL INC 0.4%
Value $7.129M Shares 102,500 Est. Cost Unrealized
ARENA PHARMACEUTICALS INC 0.4%
Value $7.117M Shares 1,216,579 Est. Cost Unrealized
BCRX BIOCRYST PHARMACEUTICALS 0.3%
Value $6.601M Shares 868,570 Est. Cost Unrealized
MYLAN INC 0.3%
Value $6.51M Shares 150,000 Est. Cost Unrealized
ALERE INC 0.3%
Value $6.441M Shares 5,750,000 Est. Cost Unrealized
LIPOSCIENCE INC 0.3%
Value $5.875M Shares 1,382,350 Est. Cost Unrealized
OVASCIENCE INC 0.3%
Value $5.535M Shares 605,561 Est. Cost Unrealized
CAS MED SYS INC 0.3%
Value $5.44M Shares 3,200,000 Est. Cost Unrealized
AERIE PHARMACEUTICALS INC 0.3%
Value $5.388M Shares 300,000 Est. Cost Unrealized
ANTHERA PHARMACEUTICALS INC 0.3%
Value $5.194M Shares 1,691,857 Est. Cost Unrealized
CANCER GENETICS INC 0.3%
Value $4.881M Shares 354,180 Est. Cost Unrealized
GERN GERON CORP 0.2%
Value $4.74M Shares 1,000,000 Est. Cost Unrealized
SUNSHINE HEART INC 0.2%
Value $4.195M Shares 432,000 Est. Cost Unrealized
BIND THERAPEUTICS INC 0.2%
Value $3.869M Shares 256,384 Est. Cost Unrealized
CEMPRA INC 0.2%
Value $3.837M Shares 309,655 Est. Cost Unrealized
LCA-VISION INC 0.1%
Value $2.85M Shares 730,856 Est. Cost Unrealized
AUXILIUM PHARMACEUTICALS INC 0.1%
Value $2.771M Shares 2,500,000 Est. Cost Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 0.1%
Value $2.762M Shares 200,000 Est. Cost Unrealized
OCERA THERAPEUTICS INC 0.1%
Value $2.742M Shares 211,119 Est. Cost Unrealized
TARGACEPT INC 0.1%
Value $2.561M Shares 617,000 Est. Cost Unrealized
KINDRED BIOSCIENCES INC 0.1%
Value $2.513M Shares 225,000 Est. Cost Unrealized
ALBANY MOLECULAR RESH INC 0.1%
Value $2.407M Shares 2,575,000 Est. Cost Unrealized
STREAMLINE HEALTH SOLUTIONS 0.1%
Value $2.269M Shares 325,000 Est. Cost Unrealized
RIGEL PHARMACEUTICALS INC 0.1%
Value $2.176M Shares 763,675 Est. Cost Unrealized
NOVADAQ TECHNOLOGIES INC 0.1%
Value $1.979M Shares 120,010 Est. Cost Unrealized
ARROWHEAD RESH CORP 0.1%
Value $1.541M Shares 142,017 Est. Cost Unrealized
PALATIN TECHNOLOGIES INC 0.1%
Value $1.468M Shares 2,000,000 Est. Cost Unrealized
HMS HLDGS CORP 0.1%
Value $1.312M Shares 57,800 Est. Cost Unrealized
ENDOCYTE INC 0.1%
Value $1.196M Shares 111,967 Est. Cost Unrealized
SUNESIS PHARMACEUTICALS INC 0.1%
Value $1.185M Shares 250,000 Est. Cost Unrealized
AMGN AMGEN INC 0.1%
Value $1.141M Shares 10,000 Est. Cost Unrealized
ARTHROCARE CORP 0.0%
Value $805K Shares 20,000 Est. Cost Unrealized
MAST THERAPEUTICS INC 0.0%
Value $678K Shares 1,466,249 Est. Cost Unrealized
BIOSCRIP INC 0.0%
Value $518K Shares 70,022 Est. Cost Unrealized
HCA HCA HOLDINGS INC 0.0%
Value $477K Shares 10,000 Est. Cost Unrealized
BIOTELEMETRY INC 0.0%
Value $437K Shares 55,000 Est. Cost Unrealized
SEM SELECT MED HLDGS CORP 0.0%
Value $341K Shares 29,400 Est. Cost Unrealized
IMRSQ IMRIS INC 0.0%
Value $305K Shares 192,051 Est. Cost Unrealized
TEVA TEVA PHARMACEUTICAL INDS LTD 0.0%
Value $200K Shares 5,000 Est. Cost Unrealized
BACTERIN INTL HLDGS INC 0.0%
Value $196K Shares 391,796 Est. Cost Unrealized
OREXIGEN THERAPEUTICS INC 0.0%
Value $122K Shares 21,690 Est. Cost Unrealized