DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

Location: New York, NY

CIK: 0001009258 · Show all filings

Period: Q2 2014 (← Previous) (Next →)

Filing Date: Aug 14, 2014

Total Value: $2.487B (80.9% shares, 19.1% debt)

Holdings (127)

DENDREON CORP 6.3%
Value $156M Shares 222,732,000 Est. Cost Unrealized
AUXILIUM PHARMACEUTICALS INC 5.1%
Value $126M Shares 6,267,382 Est. Cost Unrealized
INTERMUNE INC 4.1%
Value $102M Shares 2,315,521 Est. Cost Unrealized
FLAMEL TECHNOLOGIES SA 3.2%
Value $78.88M Shares 5,258,475 Est. Cost Unrealized
ALLERGAN INC 3.0%
Value $73.47M Shares 434,199 Est. Cost Unrealized
VOLCANO CORPORATION 2.9%
Value $72.63M Shares 75,500,000 Est. Cost Unrealized
NXSTAGE MEDICAL INC 2.8%
Value $70.41M Shares 4,899,721 Est. Cost Unrealized
KERYX BIOPHARMACEUTICALS INC 2.4%
Value $59.74M Shares 3,884,409 Est. Cost Unrealized
ARRAY BIOPHARMA INC 2.2%
Value $55.66M Shares 12,205,673 Est. Cost Unrealized
DICERNA PHARMACEUTICALS INC 2.2%
Value $54.81M Shares 2,428,569 Est. Cost Unrealized
INTEGRA LIFESCIENCES HLDGS C 2.0%
Value $50.66M Shares 47,428,000 Est. Cost Unrealized
EHTH EHEALTH INC 2.0%
Value $50.25M Shares 1,323,391 Est. Cost Unrealized
UNIVERSAL AMERN CORP NEW 1.9%
Value $48.08M Shares 5,771,737 Est. Cost Unrealized
AMAG PHARMACEUTICALS INC 1.9%
Value $47.7M Shares 45,020,000 Est. Cost Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 1.9%
Value $46.82M Shares 3,674,838 Est. Cost Unrealized
AUSPEX PHARMACEUTICALS INC 1.8%
Value $44.19M Shares 1,984,038 Est. Cost Unrealized
HCA HCA HOLDINGS INC 1.7%
Value $42.28M Shares 750,000 Est. Cost Unrealized
BLUEBIRD BIO INC 1.7%
Value $41.47M Shares 1,075,268 Est. Cost Unrealized
DVA DAVITA HEALTHCARE PARTNERS I 1.6%
Value $40.98M Shares 566,588 Est. Cost Unrealized
HUM HUMANA INC 1.4%
Value $35.76M Shares 280,000 Est. Cost Unrealized
DYAX CORP 1.4%
Value $35.68M Shares 3,717,013 Est. Cost Unrealized
THC TENET HEALTHCARE CORP 1.4%
Value $35.2M Shares 750,000 Est. Cost Unrealized
CIGNA CORPORATION 1.4%
Value $34.49M Shares 375,000 Est. Cost Unrealized
AERIE PHARMACEUTICALS INC 1.3%
Value $33.46M Shares 1,350,850 Est. Cost Unrealized
ABBV ABBVIE INC 1.2%
Value $30.56M Shares 541,400 Est. Cost Unrealized
AETNA INC NEW 1.2%
Value $30.41M Shares 375,000 Est. Cost Unrealized
ARRAY BIOPHARMA INC 1.2%
Value $29.67M Shares 29,500,000 Est. Cost Unrealized
PACB PACIFIC BIOSCIENCES CALIF IN 1.2%
Value $29.02M Shares 4,695,203 Est. Cost Unrealized
MCK MCKESSON CORP 1.1%
Value $27.93M Shares 150,000 Est. Cost Unrealized
PROSENSA HLDG N V 1.1%
Value $27.85M Shares 2,206,119 Est. Cost Unrealized
AUXILIUM PHARMACEUTICALS INC 1.1%
Value $26.51M Shares 25,003,000 Est. Cost Unrealized
ANTARES PHARMA INC 1.0%
Value $25.64M Shares 9,603,703 Est. Cost Unrealized
ARENA PHARMACEUTICALS INC 1.0%
Value $25.6M Shares 4,369,066 Est. Cost Unrealized
ACCURAY INC 1.0%
Value $24.82M Shares 21,600,000 Est. Cost Unrealized
INSM INSMED INC 1.0%
Value $24.08M Shares 1,205,234 Est. Cost Unrealized
ZELTIQ AESTHETICS INC 1.0%
Value $23.79M Shares 1,566,155 Est. Cost Unrealized
QUESTCOR PHARMACEUTICALS INC 0.9%
Value $23.12M Shares 250,000 Est. Cost Unrealized
TRIVASCULAR TECHNOLOGIES INC 0.9%
Value $23.09M Shares 1,482,666 Est. Cost Unrealized
ENDOLOGIX INC 0.9%
Value $22.54M Shares 1,481,928 Est. Cost Unrealized
HCA HCA HOLDINGS INC 0.9%
Value $21.43M Shares 380,189 Est. Cost Unrealized
XENOPORT INC 0.9%
Value $21.39M Shares 4,427,642 Est. Cost Unrealized
ANIP ANI PHARMACEUTICALS INC 0.8%
Value $20.92M Shares 607,355 Est. Cost Unrealized
AMAG PHARMACEUTICALS INC 0.8%
Value $20.71M Shares 999,339 Est. Cost Unrealized
OM2 ORTHOFIX INTL N V 0.8%
Value $19.35M Shares 533,812 Est. Cost Unrealized
SPECTRANETICS CORP 0.7%
Value $17.76M Shares 17,000,000 Est. Cost Unrealized
VNDA VANDA PHARMACEUTICALS INC 0.7%
Value $17.56M Shares 1,085,301 Est. Cost Unrealized
IART INTEGRA LIFESCIENCES HLDGS C 0.7%
Value $17.39M Shares 369,464 Est. Cost Unrealized
TORNIER N V 0.7%
Value $17.28M Shares 739,007 Est. Cost Unrealized
THC TENET HEALTHCARE CORP 0.7%
Value $17.23M Shares 366,956 Est. Cost Unrealized
PORTOLA PHARMACEUTICALS INC 0.7%
Value $17.07M Shares 584,848 Est. Cost Unrealized
ALLERGAN INC 0.7%
Value $16.92M Shares 100,000 Est. Cost Unrealized
AIR METHODS CORP 0.6%
Value $16.14M Shares 312,419 Est. Cost Unrealized
ZTS ZOETIS INC 0.6%
Value $16.14M Shares 500,000 Est. Cost Unrealized
BIODELIVERY SCIENCES INTL IN 0.6%
Value $16.03M Shares 1,328,300 Est. Cost Unrealized
LABORATORY CORP AMER HLDGS 0.6%
Value $15.51M Shares 151,489 Est. Cost Unrealized
OVASCIENCE INC 0.6%
Value $15.13M Shares 1,649,449 Est. Cost Unrealized
HUM HUMANA INC 0.6%
Value $14.62M Shares 114,448 Est. Cost Unrealized
CIGNA CORPORATION 0.6%
Value $14.49M Shares 157,528 Est. Cost Unrealized
AETNA INC NEW 0.6%
Value $13.69M Shares 168,850 Est. Cost Unrealized
ENDOLOGIX INC 0.5%
Value $12.52M Shares 12,450,000 Est. Cost Unrealized
ARATANA THERAPEUTICS INC 0.5%
Value $12.31M Shares 788,904 Est. Cost Unrealized
HOLOGIC INC 0.5%
Value $12.03M Shares 11,016,000 Est. Cost Unrealized
INGN INOGEN INC 0.5%
Value $11.9M Shares 527,337 Est. Cost Unrealized
IMS HEALTH HLDGS INC 0.5%
Value $11.87M Shares 462,350 Est. Cost Unrealized
IMMUNOMEDICS INC 0.4%
Value $10.24M Shares 2,805,972 Est. Cost Unrealized
HORIZON PHARMA INC 0.4%
Value $9.694M Shares 612,787 Est. Cost Unrealized
GENOCEA BIOSCIENCES INC 0.4%
Value $9.06M Shares 483,219 Est. Cost Unrealized
ACCURAY INC 0.4%
Value $8.819M Shares 5,000,000 Est. Cost Unrealized
VRTX VERTEX PHARMACEUTICALS INC 0.4%
Value $8.758M Shares 92,500 Est. Cost Unrealized
REVANCE THERAPEUTICS INC 0.4%
Value $8.721M Shares 256,500 Est. Cost Unrealized
RIGEL PHARMACEUTICALS INC 0.4%
Value $8.704M Shares 2,397,855 Est. Cost Unrealized
STREAMLINE HEALTH SOLUTIONS 0.3%
Value $8.268M Shares 1,722,600 Est. Cost Unrealized
ALIMERA SCIENCES INC 0.3%
Value $7.842M Shares 1,311,290 Est. Cost Unrealized
MEI PHARMA INC 0.3%
Value $7.179M Shares 1,132,376 Est. Cost Unrealized
INTERMUNE INC 0.3%
Value $7.121M Shares 4,764,000 Est. Cost Unrealized
KINDRED BIOSCIENCES INC 0.3%
Value $6.99M Shares 375,000 Est. Cost Unrealized
NANOSTRING TECHNOLOGIES INC 0.3%
Value $6.792M Shares 454,281 Est. Cost Unrealized
DISCOVERY LABORATORIES INC N 0.3%
Value $6.514M Shares 3,659,700 Est. Cost Unrealized
ALPHATEC HOLDINGS INC 0.3%
Value $6.492M Shares 3,982,738 Est. Cost Unrealized
CAS MED SYS INC 0.3%
Value $6.432M Shares 3,200,000 Est. Cost Unrealized
KALOBIOS PHARMACEUTICALS INC 0.3%
Value $6.354M Shares 2,786,783 Est. Cost Unrealized
ALERE INC 0.3%
Value $6.318M Shares 5,750,000 Est. Cost Unrealized
ALNY ALNYLAM PHARMACEUTICALS INC 0.3%
Value $6.317M Shares 100,000 Est. Cost Unrealized
CONCERT PHARMACEUTICALS INC 0.3%
Value $6.238M Shares 617,649 Est. Cost Unrealized
DERMA SCIENCES INC 0.2%
Value $5.987M Shares 517,900 Est. Cost Unrealized
ANTHERA PHARMACEUTICALS INC 0.2%
Value $5.735M Shares 1,691,857 Est. Cost Unrealized
POZEN INC 0.2%
Value $5.203M Shares 624,621 Est. Cost Unrealized
LIPOSCIENCE INC 0.2%
Value $4.728M Shares 1,382,350 Est. Cost Unrealized
SCYNEXIS INC 0.2%
Value $4.562M Shares 568,797 Est. Cost Unrealized
BIOSPECIFICS TECHNOLOGIES CO 0.2%
Value $4.553M Shares 168,883 Est. Cost Unrealized
GW PHARMACEUTICALS PLC 0.2%
Value $4.292M Shares 40,000 Est. Cost Unrealized
TETRAPHASE PHARMACEUTICALS I 0.2%
Value $4.182M Shares 310,024 Est. Cost Unrealized
EGRX EAGLE PHARMACEUTICALS INC 0.2%
Value $4.079M Shares 284,653 Est. Cost Unrealized
MERGE HEALTHCARE INC 0.2%
Value $3.765M Shares 1,658,696 Est. Cost Unrealized
FOUNDATION MEDICINE INC 0.1%
Value $3.694M Shares 137,021 Est. Cost Unrealized
MEDTRONIC INC 0.1%
Value $3.494M Shares 54,800 Est. Cost Unrealized
CYBERONICS INC 0.1%
Value $3.428M Shares 54,890 Est. Cost Unrealized
EXEL EXELIXIS INC 0.1%
Value $3.39M Shares 1,000,000 Est. Cost Unrealized
SUNESIS PHARMACEUTICALS INC 0.1%
Value $3.297M Shares 505,741 Est. Cost Unrealized
INTERMUNE INC 0.1%
Value $3.245M Shares 73,500 Est. Cost Unrealized
NANOSPHERE INC 0.1%
Value $3.16M Shares 2,000,000 Est. Cost Unrealized
LUMENIS LTD 0.1%
Value $2.912M Shares 298,966 Est. Cost Unrealized
CANCER GENETICS INC 0.1%
Value $2.361M Shares 208,914 Est. Cost Unrealized
OCERA THERAPEUTICS INC 0.1%
Value $1.995M Shares 261,119 Est. Cost Unrealized
PALATIN TECHNOLOGIES INC 0.1%
Value $1.98M Shares 2,000,000 Est. Cost Unrealized
QUESTCOR PHARMACEUTICALS INC 0.1%
Value $1.613M Shares 17,443 Est. Cost Unrealized
AMEDISYS INC 0.1%
Value $1.363M Shares 81,399 Est. Cost Unrealized
SEM SELECT MED HLDGS CORP 0.1%
Value $1.336M Shares 85,621 Est. Cost Unrealized
SPECTRUM PHARMACEUTICALS INC 0.1%
Value $1.294M Shares 159,122 Est. Cost Unrealized
MOLINA HEALTHCARE INC 0.1%
Value $1.249M Shares 1,000,000 Est. Cost Unrealized
AZN ASTRAZENECA PLC 0.0%
Value $929K Shares 12,500 Est. Cost Unrealized
AGILE THERAPEUTICS INC 0.0%
Value $904K Shares 103,613 Est. Cost Unrealized
NBIX NEUROCRINE BIOSCIENCES INC 0.0%
Value $788K Shares 53,094 Est. Cost Unrealized
OSIRIS THERAPEUTICS INC NEW 0.0%
Value $679K Shares 43,445 Est. Cost Unrealized
SNN SMITH & NEPHEW PLC 0.0%
Value $670K Shares 7,500 Est. Cost Unrealized
THERAPEUTICSMD INC 0.0%
Value $492K Shares 111,214 Est. Cost Unrealized
ICLR ICON PLC 0.0%
Value $471K Shares 10,000 Est. Cost Unrealized
IMRSQ IMRIS INC 0.0%
Value $460K Shares 407,392 Est. Cost Unrealized
PRTA PROTHENA CORP PLC 0.0%
Value $451K Shares 20,000 Est. Cost Unrealized
OXYGEN BIOTHERAPEUTICS INC 0.0%
Value $446K Shares 109,262 Est. Cost Unrealized
PRGO PERRIGO CO PLC 0.0%
Value $364K Shares 2,500 Est. Cost Unrealized
OPK OPKO HEALTH INC 0.0%
Value $332K Shares 37,500 Est. Cost Unrealized
MDRX ALLSCRIPTS HEALTHCARE SOLUTN 0.0%
Value $289K Shares 18,000 Est. Cost Unrealized
TRANSGENOMIC INC 0.0%
Value $266K Shares 71,086 Est. Cost Unrealized
ALKS ALKERMES PLC 0.0%
Value $201K Shares 4,000 Est. Cost Unrealized
OREXIGEN THERAPEUTICS INC 0.0%
Value $152K Shares 24,645 Est. Cost Unrealized
ACHILLION PHARMACEUTICALS IN 0.0%
Value $95,000 Shares 12,500 Est. Cost Unrealized