DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

Location: New York, NY

CIK: 0001009258 · Show all filings

Period: Q3 2014 (← Previous) (Next →)

Filing Date: Nov 14, 2014

Total Value: $2.743B (82.2% shares, 17.8% debt)

Holdings (131)

AUXILIUM PHARMACEUTICALS INC 6.8%
Value $187M Shares 6,267,382 Est. Cost Unrealized
DENDREON CORP 5.5%
Value $151M Shares 222,732,000 Est. Cost Unrealized
ALLERGAN INC 3.2%
Value $87.56M Shares 491,399 Est. Cost Unrealized
NXSTAGE MEDICAL INC 2.9%
Value $80.63M Shares 6,141,094 Est. Cost Unrealized
FLAMEL TECHNOLOGIES SA 2.7%
Value $75.25M Shares 5,258,475 Est. Cost Unrealized
AVALANCHE BIOTECHNOLOGIES IN 2.6%
Value $70.01M Shares 2,047,679 Est. Cost Unrealized
HORIZON PHARMA PLC 2.5%
Value $67.79M Shares 5,520,566 Est. Cost Unrealized
VOLCANO CORPORATION 2.4%
Value $65.33M Shares 75,500,000 Est. Cost Unrealized
AUSPEX PHARMACEUTICALS INC 2.4%
Value $64.49M Shares 2,512,160 Est. Cost Unrealized
AMAG PHARMACEUTICALS INC 2.2%
Value $60.34M Shares 45,020,000 Est. Cost Unrealized
EHTH EHEALTH INC 2.0%
Value $54.65M Shares 2,264,588 Est. Cost Unrealized
HCA HCA HOLDINGS INC 1.9%
Value $52.89M Shares 750,000 Est. Cost Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 1.9%
Value $52.11M Shares 3,882,805 Est. Cost Unrealized
TESARO INC 1.9%
Value $51.96M Shares 50,000,000 Est. Cost Unrealized
INTEGRA LIFESCIENCES HLDGS C 1.8%
Value $50.67M Shares 47,428,000 Est. Cost Unrealized
UNIVERSAL AMERN CORP NEW 1.8%
Value $48.2M Shares 5,994,518 Est. Cost Unrealized
AERIE PHARMACEUTICALS INC 1.8%
Value $48.1M Shares 2,324,917 Est. Cost Unrealized
DVA DAVITA HEALTHCARE PARTNERS I 1.7%
Value $46.99M Shares 642,425 Est. Cost Unrealized
MALLINCKRODT PUB LTD CO 1.7%
Value $46.05M Shares 510,791 Est. Cost Unrealized
BLUEBIRD BIO INC 1.6%
Value $45.16M Shares 1,258,687 Est. Cost Unrealized
THC TENET HEALTHCARE CORP 1.6%
Value $44.54M Shares 750,000 Est. Cost Unrealized
ABBV ABBVIE INC 1.6%
Value $44.27M Shares 766,400 Est. Cost Unrealized
ARRAY BIOPHARMA INC 1.6%
Value $43.57M Shares 12,205,673 Est. Cost Unrealized
HUM HUMANA INC 1.3%
Value $36.48M Shares 280,000 Est. Cost Unrealized
ALLERGAN INC 1.3%
Value $35.64M Shares 200,000 Est. Cost Unrealized
CIGNA CORPORATION 1.2%
Value $34.01M Shares 375,000 Est. Cost Unrealized
DICERNA PHARMACEUTICALS INC 1.1%
Value $30.92M Shares 2,428,569 Est. Cost Unrealized
AETNA INC NEW 1.1%
Value $30.38M Shares 375,000 Est. Cost Unrealized
ARRAY BIOPHARMA INC 1.1%
Value $29.92M Shares 34,000,000 Est. Cost Unrealized
DYAX CORP 1.1%
Value $29.9M Shares 2,954,684 Est. Cost Unrealized
KITE PHARMA INC 1.1%
Value $28.84M Shares 1,011,998 Est. Cost Unrealized
SPECTRANETICS CORP 1.0%
Value $28.7M Shares 25,439,000 Est. Cost Unrealized
WALGREEN CO 1.0%
Value $28.57M Shares 482,000 Est. Cost Unrealized
INSM INSMED INC 1.0%
Value $27.15M Shares 2,080,160 Est. Cost Unrealized
ENDOLOGIX INC 1.0%
Value $26.52M Shares 2,501,526 Est. Cost Unrealized
GMED GLOBUS MED INC 0.9%
Value $25.14M Shares 1,278,235 Est. Cost Unrealized
ARENA PHARMACEUTICALS INC 0.9%
Value $24.5M Shares 5,847,999 Est. Cost Unrealized
XENOPORT INC 0.9%
Value $23.88M Shares 4,438,882 Est. Cost Unrealized
MCK MCKESSON CORP 0.9%
Value $23.75M Shares 122,000 Est. Cost Unrealized
INTERCEPT PHARMACEUTICALS IN 0.9%
Value $23.36M Shares 98,693 Est. Cost Unrealized
ACCURAY INC 0.8%
Value $22.73M Shares 21,600,000 Est. Cost Unrealized
MALLINCKRODT PUB LTD CO 0.8%
Value $22.54M Shares 250,000 Est. Cost Unrealized
VNDA VANDA PHARMACEUTICALS INC 0.8%
Value $22.51M Shares 2,168,675 Est. Cost Unrealized
TRIVASCULAR TECHNOLOGIES INC 0.8%
Value $22.19M Shares 1,532,531 Est. Cost Unrealized
PROSENSA HLDG N V 0.8%
Value $21.91M Shares 2,598,459 Est. Cost Unrealized
PACB PACIFIC BIOSCIENCES CALIF IN 0.8%
Value $21.6M Shares 4,399,332 Est. Cost Unrealized
LOXO ONCOLOGY INC 0.8%
Value $20.9M Shares 1,591,546 Est. Cost Unrealized
ENDOLOGIX INC 0.7%
Value $18.93M Shares 21,240,000 Est. Cost Unrealized
OVASCIENCE INC 0.7%
Value $18.84M Shares 1,135,173 Est. Cost Unrealized
GLAXOSMITHKLINE PLC 0.7%
Value $18.39M Shares 400,000 Est. Cost Unrealized
ANIP ANI PHARMACEUTICALS INC 0.6%
Value $17.18M Shares 607,355 Est. Cost Unrealized
KERYX BIOPHARMACEUTICALS INC 0.6%
Value $16.96M Shares 1,233,484 Est. Cost Unrealized
OM2 ORTHOFIX INTL N V 0.6%
Value $16.53M Shares 533,812 Est. Cost Unrealized
AMPH AMPHASTAR PHARMACEUTICALS IN 0.6%
Value $16.49M Shares 1,415,075 Est. Cost Unrealized
CIGNA CORPORATION 0.6%
Value $15.14M Shares 166,929 Est. Cost Unrealized
IMPRIVATA INC 0.5%
Value $15.07M Shares 970,951 Est. Cost Unrealized
ANTARES PHARMA INC 0.5%
Value $14.32M Shares 7,823,618 Est. Cost Unrealized
SAGE THERAPEUTICS INC 0.5%
Value $14.2M Shares 450,667 Est. Cost Unrealized
PORTOLA PHARMACEUTICALS INC 0.5%
Value $14.09M Shares 557,477 Est. Cost Unrealized
AETNA INC NEW 0.5%
Value $13.71M Shares 169,194 Est. Cost Unrealized
MEDTRONIC INC 0.5%
Value $12.69M Shares 204,800 Est. Cost Unrealized
TRUP TRUPANION INC 0.5%
Value $12.37M Shares 1,455,377 Est. Cost Unrealized
INTERCEPT PHARMACEUTICALS IN 0.4%
Value $11.84M Shares 50,000 Est. Cost Unrealized
INGN INOGEN INC 0.4%
Value $11.38M Shares 552,337 Est. Cost Unrealized
CHIMERIX INC 0.4%
Value $11.22M Shares 406,100 Est. Cost Unrealized
TORNIER N V 0.4%
Value $11.21M Shares 469,007 Est. Cost Unrealized
NANOSTRING TECHNOLOGIES INC 0.4%
Value $10.98M Shares 1,003,974 Est. Cost Unrealized
ABIOMED INC 0.4%
Value $10.82M Shares 435,934 Est. Cost Unrealized
IMMUNOMEDICS INC 0.4%
Value $10.44M Shares 2,805,972 Est. Cost Unrealized
ALIMERA SCIENCES INC 0.4%
Value $10.04M Shares 1,851,890 Est. Cost Unrealized
KERYX BIOPHARMACEUTICALS INC 0.4%
Value $9.625M Shares 700,000 Est. Cost Unrealized
ANGO ANGIODYNAMICS INC 0.3%
Value $9.367M Shares 682,740 Est. Cost Unrealized
PRQR PROQR THRAPEUTICS N V 0.3%
Value $9.111M Shares 530,000 Est. Cost Unrealized
TETRAPHASE PHARMACEUTICALS I 0.3%
Value $8.981M Shares 450,191 Est. Cost Unrealized
WAGEWORKS INC 0.3%
Value $8.686M Shares 190,770 Est. Cost Unrealized
THORATEC CORP 0.3%
Value $8.637M Shares 323,136 Est. Cost Unrealized
STREAMLINE HEALTH SOLUTIONS 0.3%
Value $8.439M Shares 1,822,759 Est. Cost Unrealized
ACCURAY INC 0.3%
Value $7.477M Shares 5,000,000 Est. Cost Unrealized
MEI PHARMA INC 0.3%
Value $6.981M Shares 1,011,793 Est. Cost Unrealized
ALPHATEC HOLDINGS INC 0.2%
Value $6.771M Shares 3,982,738 Est. Cost Unrealized
DISCOVERY LABORATORIES INC N 0.2%
Value $6.734M Shares 3,659,700 Est. Cost Unrealized
CAS MED SYS INC 0.2%
Value $6.208M Shares 3,200,000 Est. Cost Unrealized
POZEN INC 0.2%
Value $5.991M Shares 816,254 Est. Cost Unrealized
PFENEX INC 0.2%
Value $5.987M Shares 813,478 Est. Cost Unrealized
BIOSPECIFICS TECHNOLOGIES CO 0.2%
Value $5.962M Shares 168,883 Est. Cost Unrealized
CYBERONICS INC 0.2%
Value $5.628M Shares 110,000 Est. Cost Unrealized
BIOTELEMETRY INC 0.2%
Value $5.559M Shares 828,400 Est. Cost Unrealized
LUMENIS LTD 0.2%
Value $5.327M Shares 597,866 Est. Cost Unrealized
HCA HCA HOLDINGS INC 0.2%
Value $5.028M Shares 71,303 Est. Cost Unrealized
GENOCEA BIOSCIENCES INC 0.2%
Value $5.016M Shares 554,257 Est. Cost Unrealized
THC TENET HEALTHCARE CORP 0.2%
Value $4.927M Shares 82,960 Est. Cost Unrealized
OSIRIS THERAPEUTICS INC NEW 0.2%
Value $4.885M Shares 388,039 Est. Cost Unrealized
KALOBIOS PHARMACEUTICALS INC 0.2%
Value $4.766M Shares 3,074,972 Est. Cost Unrealized
RIGEL PHARMACEUTICALS INC 0.2%
Value $4.652M Shares 2,397,855 Est. Cost Unrealized
DERMA SCIENCES INC 0.2%
Value $4.615M Shares 554,057 Est. Cost Unrealized
ONCOTHYREON INC 0.2%
Value $4.325M Shares 2,252,631 Est. Cost Unrealized
MERGE HEALTHCARE INC 0.2%
Value $4.263M Shares 1,937,696 Est. Cost Unrealized
SCYNEXIS INC 0.2%
Value $4.163M Shares 563,290 Est. Cost Unrealized
CDNA CAREDX INC 0.1%
Value $4.025M Shares 575,000 Est. Cost Unrealized
ADEPTUS HEALTH INC 0.1%
Value $4.012M Shares 161,123 Est. Cost Unrealized
KINDRED BIOSCIENCES INC 0.1%
Value $3.791M Shares 409,863 Est. Cost Unrealized
EGRX EAGLE PHARMACEUTICALS INC 0.1%
Value $3.601M Shares 284,653 Est. Cost Unrealized
LIPOSCIENCE INC 0.1%
Value $3.518M Shares 679,180 Est. Cost Unrealized
CYMABAY THERAPEUTICS INC 0.1%
Value $3.51M Shares 513,206 Est. Cost Unrealized
ANTHERA PHARMACEUTICALS INC 0.1%
Value $3.248M Shares 1,691,857 Est. Cost Unrealized
CARA THERAPEUTICS INC 0.1%
Value $3.214M Shares 383,017 Est. Cost Unrealized
FOLD AMICUS THERAPEUTICS INC 0.1%
Value $2.856M Shares 480,000 Est. Cost Unrealized
FOAMIX PHARMACEUTICALS LTD 0.1%
Value $2.433M Shares 446,452 Est. Cost Unrealized
ALKS ALKERMES PLC 0.1%
Value $2.358M Shares 55,000 Est. Cost Unrealized
BIND THERAPEUTICS INC 0.1%
Value $2.354M Shares 274,000 Est. Cost Unrealized
OCERA THERAPEUTICS INC 0.1%
Value $2.259M Shares 461,119 Est. Cost Unrealized
PARNEUR PARNELL PHARMACEUT HLDGS LTD 0.1%
Value $2.2M Shares 382,645 Est. Cost Unrealized
WAFERGEN BIO-SYSTEMS INC 0.1%
Value $1.98M Shares 455,201 Est. Cost Unrealized
PALATIN TECHNOLOGIES INC 0.1%
Value $1.86M Shares 2,000,000 Est. Cost Unrealized
KINDRED HEALTHCARE INC 0.1%
Value $1.806M Shares 93,100 Est. Cost Unrealized
SUNESIS PHARMACEUTICALS INC 0.1%
Value $1.597M Shares 223,625 Est. Cost Unrealized
EXEL EXELIXIS INC 0.1%
Value $1.53M Shares 1,000,000 Est. Cost Unrealized
TEARLAB CORP 0.0%
Value $1.204M Shares 354,096 Est. Cost Unrealized
SEM SELECT MED HLDGS CORP 0.0%
Value $1.147M Shares 95,321 Est. Cost Unrealized
SALIX PHARMACEUTICALS INC 0.0%
Value $914K Shares 5,850 Est. Cost Unrealized
WELLCARE HEALTH PLANS INC 0.0%
Value $905K Shares 15,000 Est. Cost Unrealized
AXGN AXOGEN INC 0.0%
Value $842K Shares 345,000 Est. Cost Unrealized
AGILE THERAPEUTICS INC 0.0%
Value $767K Shares 105,000 Est. Cost Unrealized
OPK OPKO HEALTH INC 0.0%
Value $638K Shares 75,000 Est. Cost Unrealized
PRTA PROTHENA CORP PLC 0.0%
Value $609K Shares 27,500 Est. Cost Unrealized
HMS HLDGS CORP 0.0%
Value $553K Shares 29,316 Est. Cost Unrealized
SGMO SANGAMO BIOSCIENCES INC 0.0%
Value $539K Shares 50,000 Est. Cost Unrealized
IRWD IRONWOOD PHARMACEUTICALS INC 0.0%
Value $475K Shares 36,653 Est. Cost Unrealized
TRANSGENOMIC INC 0.0%
Value $260K Shares 68,983 Est. Cost Unrealized
SYNERON MEDICAL LTD 0.0%
Value $139K Shares 13,893 Est. Cost Unrealized
IMRSQ IMRIS INC 0.0%
Value $88,000 Shares 147,076 Est. Cost Unrealized