DEERFIELD MANAGEMENT COMPANY, L.P. Quant / Systematic

CIK: 0001009258 · Show all filings

Period: Q4 2014 (← Previous) (Next →)

Filing Date: Feb 17, 2015

Total Value ($000): $2,783,542 (84.7% shares, 15.3% debt)

Holdings (111)

AUXILIUM PHARMACEUTICALS INC 7.7%
Value ($000) $215,504 Shares 6,267,382 Est. Cost $19.32 Unrealized
AUSPEX PHARMACEUTICALS INC 5.6%
Value ($000) $154,769 Shares 2,949,103 Est. Cost $33.07 Unrealized
HORIZON PHARMA PLC 5.4%
Value ($000) $150,801 Shares 11,699,047 Est. Cost $12.60 Unrealized
ALLERGAN INC 4.6%
Value ($000) $128,957 Shares 606,601 Est. Cost $152.27 Unrealized
FLAMEL TECHNOLOGIES SA 3.2%
Value ($000) $90,078 Shares 5,258,475 Est. Cost $7.42 Unrealized
AVALANCHE BIOTECHNOLOGIES IN 3.1%
Value ($000) $87,192 Shares 1,614,669 Est. Cost $34.19 Unrealized
NXSTAGE MEDICAL INC 3.1%
Value ($000) $86,270 Shares 4,811,494 Est. Cost $13.67 Unrealized
HORIZON PHARMA INC 3.0%
Value ($000) $82,435 Shares 31,760,461 Est. Cost $2.60 Unrealized
BLUEBIRD BIO INC 2.8%
Value ($000) $78,047 Shares 850,932 Est. Cost $34.35 Unrealized
AMAG PHARMACEUTICALS INC 2.7%
Value ($000) $74,866 Shares 45,020,000 Est. Cost $1.02 Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 2.3%
Value ($000) $65,158 Shares 3,857,805 Est. Cost $21.72 Unrealized -32.9%
PROSENSA HLDG N V 2.2%
Value ($000) $62,183 Shares 3,316,434 Est. Cost $9.43 Unrealized
VNDA VANDA PHARMACEUTICALS INC 2.1%
Value ($000) $59,282 Shares 4,139,787 Est. Cost $12.24 Unrealized -3.3%
EHTH EHEALTH INC 2.0%
Value ($000) $56,434 Shares 2,264,588 Est. Cost $35.97 Unrealized -32.4%
ARRAY BIOPHARMA INC 2.0%
Value ($000) $55,978 Shares 11,834,595 Est. Cost $4.58 Unrealized
AERIE PHARMACEUTICALS INC 1.9%
Value ($000) $54,262 Shares 1,858,917 Est. Cost $21.77 Unrealized
UNIVERSAL AMERN CORP NEW 1.9%
Value ($000) $52,105 Shares 5,614,798 Est. Cost $8.30 Unrealized
ENDOLOGIX INC 1.9%
Value ($000) $51,662 Shares 3,378,787 Est. Cost $13.37 Unrealized
INTEGRA LIFESCIENCES HLDGS C 1.8%
Value ($000) $50,426 Shares 47,428,000 Est. Cost $0.99 Unrealized
ALLERGAN INC 1.5%
Value ($000) $42,518 Shares 200,000 Est. Cost $152.27 Unrealized
ARRAY BIOPHARMA INC 1.5%
Value ($000) $41,604 Shares 45,000,000 Est. Cost $0.94 Unrealized
NEVRO CORP 1.5%
Value ($000) $40,491 Shares 1,047,093 Est. Cost $38.67 Unrealized
HUM HUMANA INC 1.4%
Value ($000) $40,216 Shares 280,000 Est. Cost Unrealized
PACB PACIFIC BIOSCIENCES CALIF IN 1.4%
Value ($000) $40,147 Shares 5,120,771 Est. Cost $3.68 Unrealized +73.7%
ACHILLION PHARMACEUTICALS IN 1.3%
Value ($000) $35,774 Shares 2,920,300 Est. Cost $12.25 Unrealized
INSM INSMED INC 1.2%
Value ($000) $34,678 Shares 2,241,631 Est. Cost $15.08 Unrealized -5.9%
ENDOLOGIX INC 1.2%
Value ($000) $34,562 Shares 34,925,000 Est. Cost $0.95 Unrealized
TESARO INC 1.2%
Value ($000) $34,005 Shares 27,123,000 Est. Cost $1.04 Unrealized
DVA DAVITA HEALTHCARE PARTNERS I 1.2%
Value ($000) $32,947 Shares 435,000 Est. Cost $64.09 Unrealized +17.5%
OVASCIENCE INC 1.0%
Value ($000) $27,728 Shares 627,050 Est. Cost $10.56 Unrealized
ACCURAY INC 0.9%
Value ($000) $24,991 Shares 24,100,000 Est. Cost $1.00 Unrealized
ARENA PHARMACEUTICALS INC 0.9%
Value ($000) $24,129 Shares 6,953,737 Est. Cost $5.45 Unrealized
GLAXOSMITHKLINE PLC 0.9%
Value ($000) $24,075 Shares 563,300 Est. Cost $45.03 Unrealized
ALIMERA SCIENCES INC 0.8%
Value ($000) $22,414 Shares 4,045,826 Est. Cost $6.29 Unrealized
HEARTWARE INTL INC 0.8%
Value ($000) $21,778 Shares 20,464,000 Est. Cost $1.06 Unrealized
CUBIST PHARMACEUTICALS INC 0.8%
Value ($000) $21,157 Shares 210,200 Est. Cost $100.65 Unrealized
ANTARES PHARMA INC 0.7%
Value ($000) $20,828 Shares 8,104,318 Est. Cost $4.13 Unrealized
MCK MCKESSON CORP 0.7%
Value ($000) $19,097 Shares 92,000 Est. Cost $160.13 Unrealized +16.7%
GILD GILEAD SCIENCES INC 0.7%
Value ($000) $18,852 Shares 200,000 Est. Cost Unrealized
JUNO THERAPEUTICS INC 0.7%
Value ($000) $18,703 Shares 358,149 Est. Cost $52.22 Unrealized
LOXO ONCOLOGY INC 0.7%
Value ($000) $18,701 Shares 1,591,546 Est. Cost $13.13 Unrealized
PORTOLA PHARMACEUTICALS INC 0.7%
Value ($000) $18,565 Shares 655,559 Est. Cost $25.99 Unrealized
TRUP TRUPANION INC 0.7%
Value ($000) $18,560 Shares 2,678,176 Est. Cost $8.03 Unrealized -18.3%
WEBMD HEALTH CORP 0.6%
Value ($000) $16,921 Shares 17,000,000 Est. Cost $1.00 Unrealized
KERYX BIOPHARMACEUTICALS INC 0.6%
Value ($000) $16,746 Shares 1,183,484 Est. Cost $12.52 Unrealized
RMD RESMED INC 0.6%
Value ($000) $16,611 Shares 296,300 Est. Cost $45.37 Unrealized 0.0%
OM2 ORTHOFIX INTL N V 0.6%
Value ($000) $16,046 Shares 533,812 Est. Cost $30.15 Unrealized
AMPH AMPHASTAR PHARMACEUTICALS IN 0.5%
Value ($000) $14,821 Shares 1,276,577 Est. Cost $10.42 Unrealized +4.5%
TRIVASCULAR TECHNOLOGIES INC 0.5%
Value ($000) $14,438 Shares 1,148,575 Est. Cost $15.53 Unrealized
ARAY ACCURAY INC 0.5%
Value ($000) $14,126 Shares 1,870,943 Est. Cost $7.05 Unrealized 0.0%
DYAX CORP 0.5%
Value ($000) $13,817 Shares 982,745 Est. Cost $6.64 Unrealized
IMMUNOMEDICS INC 0.5%
Value ($000) $13,469 Shares 2,805,972 Est. Cost $4.17 Unrealized
PROTEON THERAPEUTICS INC 0.5%
Value ($000) $13,160 Shares 1,265,343 Est. Cost $10.40 Unrealized
DBV TECHNOLOGIES S A 0.5%
Value ($000) $13,080 Shares 482,300 Est. Cost $27.12 Unrealized
IMPRIVATA INC 0.5%
Value ($000) $12,977 Shares 998,252 Est. Cost $15.45 Unrealized
NANOSTRING TECHNOLOGIES INC 0.5%
Value ($000) $12,863 Shares 923,378 Est. Cost $11.71 Unrealized
ALLSCRIPTS HEALTHCARE SOLUTN 0.5%
Value ($000) $12,795 Shares 13,000,000 Est. Cost $0.98 Unrealized
MEI PHARMA INC 0.5%
Value ($000) $12,553 Shares 2,939,876 Est. Cost $5.36 Unrealized
HEARTWARE INTL INC 0.4%
Value ($000) $12,101 Shares 164,800 Est. Cost $73.43 Unrealized
INGN INOGEN INC 0.4%
Value ($000) $11,115 Shares 354,330 Est. Cost $17.52 Unrealized +38.3%
SAGE THERAPEUTICS INC 0.3%
Value ($000) $9,612 Shares 262,625 Est. Cost $31.50 Unrealized
INTERCEPT PHARMACEUTICALS IN 0.3%
Value ($000) $9,421 Shares 60,393 Est. Cost $236.69 Unrealized
FLUIDIGM CORP DEL 0.3%
Value ($000) $9,144 Shares 10,000,000 Est. Cost $0.91 Unrealized
KITE PHARMA INC 0.3%
Value ($000) $8,985 Shares 155,799 Est. Cost $28.50 Unrealized
PRQR PROQR THRAPEUTICS N V 0.3%
Value ($000) $8,235 Shares 380,000 Est. Cost $16.02 Unrealized -5.3%
STREAMLINE HEALTH SOLUTIONS 0.3%
Value ($000) $7,893 Shares 1,822,759 Est. Cost $5.28 Unrealized
HEALTHWAYS INC 0.3%
Value ($000) $7,828 Shares 6,700,000 Est. Cost $1.17 Unrealized
ACCURAY INC 0.3%
Value ($000) $7,586 Shares 5,000,000 Est. Cost $1.91 Unrealized
TORNIER N V 0.3%
Value ($000) $7,369 Shares 288,971 Est. Cost $17.65 Unrealized
CONNECTURE INC 0.3%
Value ($000) $7,206 Shares 799,750 Est. Cost $9.01 Unrealized
SPECTRANETICS CORP 0.3%
Value ($000) $6,968 Shares 5,439,000 Est. Cost $1.07 Unrealized
DERMA SCIENCES INC 0.2%
Value ($000) $6,718 Shares 721,546 Est. Cost $11.34 Unrealized
CDNA CAREDX INC 0.2%
Value ($000) $5,829 Shares 804,000 Est. Cost $8.79 Unrealized -23.7%
ALPHATEC HOLDINGS INC 0.2%
Value ($000) $5,616 Shares 3,982,738 Est. Cost $2.04 Unrealized
LUMENIS LTD 0.2%
Value ($000) $5,584 Shares 597,866 Est. Cost $9.33 Unrealized
BIODELIVERY SCIENCES INTL IN 0.2%
Value ($000) $5,578 Shares 464,083 Est. Cost $12.02 Unrealized
RIGEL PHARMACEUTICALS INC 0.2%
Value ($000) $5,443 Shares 2,397,855 Est. Cost $3.57 Unrealized
AXGN AXOGEN INC 0.2%
Value ($000) $5,413 Shares 1,507,824 Est. Cost $2.82 Unrealized +3.9%
CAS MED SYS INC 0.2%
Value ($000) $5,280 Shares 3,200,000 Est. Cost $1.34 Unrealized
FOAMIX PHARMACEUTICALS LTD 0.2%
Value ($000) $5,221 Shares 744,799 Est. Cost $6.07 Unrealized
SCYNEXIS INC 0.2%
Value ($000) $4,990 Shares 500,000 Est. Cost $8.02 Unrealized
CARA THERAPEUTICS INC 0.2%
Value ($000) $4,722 Shares 473,588 Est. Cost $8.69 Unrealized
PFENEX INC 0.2%
Value ($000) $4,492 Shares 625,640 Est. Cost $7.36 Unrealized
EGRX EAGLE PHARMACEUTICALS INC 0.2%
Value ($000) $4,412 Shares 284,653 Est. Cost $13.58 Unrealized -5.9%
BIOTELEMETRY INC 0.2%
Value ($000) $4,303 Shares 429,000 Est. Cost $6.71 Unrealized
DISCOVERY LABORATORIES INC N 0.2%
Value ($000) $4,245 Shares 3,659,700 Est. Cost $2.01 Unrealized
GENOCEA BIOSCIENCES INC 0.2%
Value ($000) $4,230 Shares 604,257 Est. Cost $16.19 Unrealized
KALOBIOS PHARMACEUTICALS INC 0.1%
Value ($000) $3,956 Shares 2,286,783 Est. Cost $2.60 Unrealized
THORATEC CORP 0.1%
Value ($000) $3,341 Shares 102,919 Est. Cost $26.73 Unrealized
MERGE HEALTHCARE INC 0.1%
Value ($000) $3,179 Shares 892,897 Est. Cost $2.34 Unrealized
OCERA THERAPEUTICS INC 0.1%
Value ($000) $2,937 Shares 461,119 Est. Cost $9.22 Unrealized
ANTHERA PHARMACEUTICALS INC 0.1%
Value ($000) $2,673 Shares 1,691,857 Est. Cost $4.02 Unrealized
KINDRED BIOSCIENCES INC 0.1%
Value ($000) $2,625 Shares 352,384 Est. Cost $17.84 Unrealized
IMMUNOMEDICS INC 0.1%
Value ($000) $2,400 Shares 500,000 Est. Cost $4.17 Unrealized
ADEPTUS HEALTH INC 0.1%
Value ($000) $2,358 Shares 63,053 Est. Cost $24.90 Unrealized
DERMIRA INC 0.1%
Value ($000) $2,106 Shares 116,267 Est. Cost $18.11 Unrealized
FLEXION THERAPEUTICS INC 0.1%
Value ($000) $2,016 Shares 99,847 Est. Cost $20.19 Unrealized
PARNEUR PARNELL PHARMACEUT HLDGS LTD 0.1%
Value ($000) $1,559 Shares 375,700 Est. Cost $5.75 Unrealized
PALATIN TECHNOLOGIES INC 0.1%
Value ($000) $1,460 Shares 2,000,000 Est. Cost $0.62 Unrealized
EXEL EXELIXIS INC 0.1%
Value ($000) $1,440 Shares 1,000,000 Est. Cost Unrealized
SALIX PHARMACEUTICALS INC 0.0%
Value ($000) $1,322 Shares 11,500 Est. Cost $135.96 Unrealized
PLASMATECH BIOPHARMACEUTICAL 0.0%
Value ($000) $1,285 Shares 372,374 Est. Cost $3.45 Unrealized
EW EDWARDS LIFESCIENCES CORP 0.0%
Value ($000) $1,274 Shares 10,000 Est. Cost $20.09 Unrealized 0.0%
ZTS ZOETIS INC 0.0%
Value ($000) $1,080 Shares 25,097 Est. Cost $37.22 Unrealized 0.0%
ONCOTHYREON INC 0.0%
Value ($000) $757 Shares 398,499 Est. Cost $1.92 Unrealized
ILMN ILLUMINA INC 0.0%
Value ($000) $738 Shares 4,000 Est. Cost $176.23 Unrealized 0.0%
KINDRED HEALTHCARE INC 0.0%
Value ($000) $684 Shares 37,611 Est. Cost $19.40 Unrealized
AGILE THERAPEUTICS INC 0.0%
Value ($000) $645 Shares 105,000 Est. Cost $8.71 Unrealized
MAST THERAPEUTICS INC 0.0%
Value ($000) $392 Shares 700,000 Est. Cost $0.56 Unrealized
PLASMATECH BIOPHARMACEUTICAL 0.0%
Value ($000) $300 Shares 375,000 Est. Cost $0.80 Unrealized
IMRSQ IMRIS INC 0.0%
Value ($000) $124 Shares 147,076 Est. Cost $1.19 Unrealized -68.3%