Rock Springs Capital Management LP Diversified Active

Location: Baltimore, MD

CIK: 0001595725 · Show all filings

Period: Q4 2014 (← Previous) (Next →)

Filing Date: Feb 17, 2015

Total Value: $855M (100.0% shares, 0.0% debt)

Holdings (93)

MEDTRONIC INC 4.6%
Value $39.71M Shares 550,000 Est. Cost $63.73 Unrealized
ABBV ABBVIE INC 4.4%
Value $37.95M Shares 580,000 Est. Cost $33.58 Unrealized +19.8%
COVIDIEN PLC 3.5%
Value $30.17M Shares 295,000 Est. Cost $102.28 Unrealized
HCA HCA HOLDINGS INC 3.5%
Value $29.94M Shares 408,000 Est. Cost $58.69 Unrealized +11.3%
MCK MCKESSON CORP 3.4%
Value $29.01M Shares 139,750 Est. Cost $155.20 Unrealized +20.4%
AMGN AMGEN INC 3.0%
Value $25.65M Shares 161,000 Est. Cost $88.10 Unrealized +28.6%
MRK MERCK & CO INC NEW 3.0%
Value $25.56M Shares 450,000 Est. Cost $37.96 Unrealized +3.7%
GILD GILEAD SCIENCES INC 2.8%
Value $24.04M Shares 255,000 Est. Cost $50.54 Unrealized +42.2%
ACTAVIS PLC 2.6%
Value $22.65M Shares 88,000 Est. Cost $206.03 Unrealized
ST JUDE MED INC 2.5%
Value $21.79M Shares 335,000 Est. Cost $65.03 Unrealized
CELGENE CORP 2.5%
Value $21.59M Shares 193,000 Est. Cost $120.66 Unrealized
ACHC ACADIA HEALTHCARE COMPANY IN 2.4%
Value $20.18M Shares 329,750 Est. Cost $50.67 Unrealized +14.9%
AVANIR PHARMACEUTICALS INC 2.2%
Value $18.64M Shares 1,100,000 Est. Cost $7.30 Unrealized
THORATEC CORP 2.0%
Value $17.32M Shares 533,500 Est. Cost $35.49 Unrealized
ALEXION PHARMACEUTICALS INC 2.0%
Value $17.11M Shares 92,500 Est. Cost $145.36 Unrealized
BIIB BIOGEN IDEC INC 1.8%
Value $15.45M Shares 45,500 Est. Cost $265.65 Unrealized +21.8%
TEAM HEALTH HOLDINGS INC 1.8%
Value $15.33M Shares 266,500 Est. Cost $52.08 Unrealized
CVS CVS HEALTH CORP 1.7%
Value $14.45M Shares 150,000 Est. Cost $51.71 Unrealized +24.6%
HUM HUMANA INC 1.6%
Value $13.82M Shares 96,250 Est. Cost $100.49 Unrealized +24.4%
AETNA INC NEW 1.4%
Value $11.64M Shares 131,000 Est. Cost $82.55 Unrealized
FLAMEL TECHNOLOGIES SA 1.4%
Value $11.56M Shares 675,000 Est. Cost $13.45 Unrealized
ENVISION HEALTHCARE HLDGS IN 1.3%
Value $10.93M Shares 315,000 Est. Cost $34.42 Unrealized
PHARMACYCLICS INC 1.3%
Value $10.82M Shares 88,500 Est. Cost $105.52 Unrealized
HILL ROM HLDGS INC 1.2%
Value $10.27M Shares 225,000 Est. Cost $41.72 Unrealized
OREXIGEN THERAPEUTICS INC 1.2%
Value $10.21M Shares 1,685,000 Est. Cost $5.64 Unrealized
ISRG INTUITIVE SURGICAL INC 1.1%
Value $9.785M Shares 18,500 Est. Cost $42.56 Unrealized +30.9%
RTI SURGICAL INC 1.1%
Value $9.672M Shares 1,860,000 Est. Cost $4.28 Unrealized
XLV SELECT SECTOR SPDR TR 1.1%
Value $9.573M Shares 140,000 Est. Cost $68.38 Unrealized
CIGNA CORPORATION 1.1%
Value $9.571M Shares 93,000 Est. Cost $94.09 Unrealized
TORNIER N V 1.1%
Value $9.499M Shares 372,500 Est. Cost $25.50 Unrealized
VALEANT PHARMACEUTICALS INTL 1.1%
Value $9.052M Shares 63,250 Est. Cost $122.19 Unrealized
DHR DANAHER CORP DEL 1.1%
Value $9.042M Shares 105,500 Est. Cost $31.51 Unrealized +4.5%
SALIX PHARMACEUTICALS INC 1.0%
Value $8.908M Shares 77,500 Est. Cost $114.94 Unrealized
HEARTWARE INTL INC 1.0%
Value $8.812M Shares 120,000 Est. Cost $83.76 Unrealized
CUBIST PHARMACEUTICALS INC 1.0%
Value $8.807M Shares 87,500 Est. Cost $84.25 Unrealized
COOPER COS INC 1.0%
Value $8.753M Shares 54,000 Est. Cost $135.58 Unrealized
INCY INCYTE CORP 1.0%
Value $8.261M Shares 113,000 Est. Cost $51.63 Unrealized +26.5%
NBIX NEUROCRINE BIOSCIENCES INC 0.9%
Value $8.042M Shares 360,000 Est. Cost $17.22 Unrealized +10.0%
RECEPTOS INC 0.9%
Value $7.963M Shares 65,000 Est. Cost $101.59 Unrealized
JUNO THERAPEUTICS INC 0.9%
Value $7.542M Shares 144,426 Est. Cost $52.22 Unrealized
VRTX VERTEX PHARMACEUTICALS INC 0.9%
Value $7.484M Shares 63,000 Est. Cost $78.19 Unrealized +44.0%
COR AMERISOURCEBERGEN CORP 0.8%
Value $7.213M Shares 80,000 Est. Cost $62.81 Unrealized 0.0%
PRGO PERRIGO CO PLC 0.8%
Value $7.104M Shares 42,500 Est. Cost $157.35 Unrealized -0.6%
TESARO INC 0.8%
Value $6.973M Shares 187,500 Est. Cost $29.64 Unrealized
PRA HEALTH SCIENCES INC 0.8%
Value $6.903M Shares 285,000 Est. Cost $24.22 Unrealized
RITE AID CORP 0.8%
Value $6.898M Shares 917,300 Est. Cost $6.88 Unrealized
MEDICINES CO 0.8%
Value $6.815M Shares 246,300 Est. Cost $29.18 Unrealized
MWI VETERINARY SUPPLY INC 0.8%
Value $6.626M Shares 39,000 Est. Cost $142.19 Unrealized
KITE PHARMA INC 0.8%
Value $6.602M Shares 114,474 Est. Cost $36.66 Unrealized
STERICYCLE INC 0.8%
Value $6.554M Shares 50,000 Est. Cost $115.99 Unrealized
NOVADAQ TECHNOLOGIES INC 0.7%
Value $6.274M Shares 377,500 Est. Cost $14.30 Unrealized
RELYPSA INC 0.7%
Value $5.79M Shares 188,000 Est. Cost $25.47 Unrealized
ILMN ILLUMINA INC 0.7%
Value $5.63M Shares 30,500 Est. Cost $92.26 Unrealized +91.0%
STERIS CORP 0.6%
Value $5.253M Shares 81,000 Est. Cost $64.85 Unrealized
CONNECTURE INC 0.6%
Value $4.994M Shares 554,225 Est. Cost $9.01 Unrealized
WELLCARE HEALTH PLANS INC 0.6%
Value $4.924M Shares 60,000 Est. Cost $63.98 Unrealized
ACHILLION PHARMACEUTICALS IN 0.5%
Value $4.471M Shares 365,000 Est. Cost $12.25 Unrealized
ZS PHARMA INC 0.5%
Value $4.448M Shares 107,000 Est. Cost $39.56 Unrealized
TANDEM DIABETES CARE INC 0.5%
Value $4.445M Shares 350,000 Est. Cost $14.85 Unrealized
PBYI PUMA BIOTECHNOLOGY INC 0.5%
Value $4.401M Shares 23,250 Est. Cost $207.30 Unrealized +7.0%
TBPH THERAVANCE BIOPHARMA INC 0.5%
Value $4.327M Shares 290,000 Est. Cost $23.30 Unrealized -25.2%
PRTA PROTHENA CORP PLC 0.5%
Value $4.204M Shares 202,500 Est. Cost $26.34 Unrealized -20.8%
FIBROGEN INC 0.5%
Value $4.137M Shares 151,300 Est. Cost $27.34 Unrealized
JAZZ JAZZ PHARMACEUTICALS PLC 0.5%
Value $4.093M Shares 25,000 Est. Cost $157.05 Unrealized +5.7%
AERIE PHARMACEUTICALS INC 0.5%
Value $4.087M Shares 140,000 Est. Cost $23.17 Unrealized
ALLERGAN INC 0.5%
Value $3.933M Shares 18,500 Est. Cost $171.79 Unrealized
CHRS COHERUS BIOSCIENCES INC 0.5%
Value $3.918M Shares 240,051 Est. Cost $14.11 Unrealized 0.0%
CYBERONICS INC 0.4%
Value $3.786M Shares 68,000 Est. Cost $61.95 Unrealized
NOVAVAX INC 0.4%
Value $3.766M Shares 635,000 Est. Cost $4.90 Unrealized
CATALENT INC 0.4%
Value $3.725M Shares 133,600 Est. Cost $25.03 Unrealized
CHINA CORD BLOOD CORP 0.4%
Value $3.715M Shares 822,000 Est. Cost $4.13 Unrealized
REGN REGENERON PHARMACEUTICALS 0.4%
Value $3.692M Shares 9,000 Est. Cost $391.09 Unrealized 0.0%
WUXI PHARMATECH CAYMAN INC 0.4%
Value $3.62M Shares 107,500 Est. Cost $35.37 Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 0.4%
Value $3.547M Shares 210,000 Est. Cost $12.54 Unrealized +16.1%
EPIZYME INC 0.4%
Value $3.425M Shares 181,500 Est. Cost $24.82 Unrealized
CERULEAN PHARMA INC 0.4%
Value $3.421M Shares 550,000 Est. Cost $6.16 Unrealized
FIVE PRIME THERAPEUTICS INC 0.4%
Value $3.24M Shares 120,000 Est. Cost $19.97 Unrealized
RARE ULTRAGENYX PHARMACEUTICAL IN 0.4%
Value $3.115M Shares 71,000 Est. Cost $49.13 Unrealized -6.7%
CASTLIGHT HEALTH INC 0.4%
Value $3.044M Shares 260,200 Est. Cost $11.70 Unrealized
INTERCEPT PHARMACEUTICALS IN 0.3%
Value $2.558M Shares 16,400 Est. Cost $96.81 Unrealized
TRIVASCULAR TECHNOLOGIES INC 0.3%
Value $2.489M Shares 198,000 Est. Cost $12.57 Unrealized
PFENEX INC 0.3%
Value $2.402M Shares 328,100 Est. Cost $7.36 Unrealized
BLUEBIRD BIO INC 0.3%
Value $2.293M Shares 25,000 Est. Cost $91.72 Unrealized
XENOPORT INC 0.2%
Value $2.061M Shares 235,000 Est. Cost $6.66 Unrealized
KINDRED BIOSCIENCES INC 0.2%
Value $2.049M Shares 275,000 Est. Cost $17.68 Unrealized
GW PHARMACEUTICALS PLC 0.2%
Value $1.895M Shares 28,000 Est. Cost $67.68 Unrealized
ADVAXIS INC 0.2%
Value $1.802M Shares 225,000 Est. Cost $8.01 Unrealized
HRTX HERON THERAPEUTICS INC 0.2%
Value $1.61M Shares 160,000 Est. Cost $8.66 Unrealized -5.8%
ENTEROMEDICS INC 0.2%
Value $1.598M Shares 1,125,000 Est. Cost $1.70 Unrealized
DERMIRA INC 0.2%
Value $1.581M Shares 87,274 Est. Cost $18.12 Unrealized
ROKA BIOSCIENCE INC 0.1%
Value $1.103M Shares 250,000 Est. Cost $10.05 Unrealized
CYMABAY THERAPEUTICS INC 0.1%
Value $983K Shares 100,000 Est. Cost $6.84 Unrealized
BELLICUM PHARMACEUTICALS INC 0.1%
Value $806K Shares 35,000 Est. Cost $23.03 Unrealized