Rock Springs Capital Management LP Diversified Active

Location: Baltimore, MD

CIK: 0001595725 · Show all filings

Period: Q1 2015 (← Previous) (Next →)

Filing Date: May 15, 2015

Total Value: $1.069B (100.0% shares, 0.0% debt)

Holdings (105)

MDT MEDTRONIC PLC 4.2%
Value $44.63M Shares 572,300 Est. Cost $58.10 Unrealized 0.0%
ABBV ABBVIE INC 3.3%
Value $35.12M Shares 600,000 Est. Cost $33.76 Unrealized +15.1%
MCK MCKESSON CORP 3.2%
Value $33.7M Shares 149,000 Est. Cost $158.25 Unrealized +29.1%
ACTAVIS PLC 3.1%
Value $33.48M Shares 112,500 Est. Cost $225.97 Unrealized
HCA HCA HOLDINGS INC 3.0%
Value $31.79M Shares 422,500 Est. Cost $58.97 Unrealized +13.2%
VALEANT PHARMACEUTICALS INTL 2.9%
Value $30.79M Shares 155,000 Est. Cost $167.43 Unrealized
PFE PFIZER INC 2.5%
Value $26.44M Shares 760,000 Est. Cost $20.10 Unrealized 0.0%
AMGN AMGEN INC 2.5%
Value $26.21M Shares 164,000 Est. Cost $88.59 Unrealized +29.9%
ACHC ACADIA HEALTHCARE COMPANY IN 2.4%
Value $25.95M Shares 362,500 Est. Cost $51.89 Unrealized +23.6%
GILD GILEAD SCIENCES INC 2.3%
Value $25.02M Shares 255,000 Est. Cost $50.54 Unrealized +39.6%
PHARMACYCLICS INC 2.1%
Value $22.52M Shares 88,000 Est. Cost $105.52 Unrealized
CELGENE CORP 2.1%
Value $22.42M Shares 194,500 Est. Cost $120.66 Unrealized
ENVISION HEALTHCARE HLDGS IN 2.0%
Value $21.86M Shares 570,000 Est. Cost $36.18 Unrealized
THORATEC CORP 2.0%
Value $21.57M Shares 515,000 Est. Cost $35.49 Unrealized
HUM HUMANA INC 1.8%
Value $19.14M Shares 107,500 Est. Cost $105.16 Unrealized +38.0%
ALEXION PHARMACEUTICALS INC 1.8%
Value $18.76M Shares 108,250 Est. Cost $149.42 Unrealized
TEAM HEALTH HOLDINGS INC 1.7%
Value $18.2M Shares 311,000 Est. Cost $53.00 Unrealized
TORNIER N V 1.6%
Value $17.3M Shares 660,000 Est. Cost $25.81 Unrealized
CVS CVS HEALTH CORP 1.6%
Value $16.93M Shares 164,000 Est. Cost $53.64 Unrealized +38.5%
RETROPHIN INC 1.6%
Value $16.77M Shares 700,000 Est. Cost $23.96 Unrealized
LLY LILLY ELI & CO 1.6%
Value $16.71M Shares 230,000 Est. Cost $58.64 Unrealized 0.0%
AETNA INC NEW 1.6%
Value $16.67M Shares 156,500 Est. Cost $86.46 Unrealized
RADIUS HEALTH INC 1.5%
Value $16.46M Shares 400,000 Est. Cost $41.16 Unrealized
CIGNA CORPORATION 1.5%
Value $15.79M Shares 122,000 Est. Cost $102.49 Unrealized
BIIB BIOGEN INC 1.5%
Value $15.62M Shares 37,000 Est. Cost $265.65 Unrealized +48.4%
NBIX NEUROCRINE BIOSCIENCES INC 1.4%
Value $14.89M Shares 375,000 Est. Cost $17.96 Unrealized +99.1%
TMO THERMO FISHER SCIENTIFIC INC 1.3%
Value $13.43M Shares 100,000 Est. Cost $124.72 Unrealized 0.0%
OREXIGEN THERAPEUTICS INC 1.1%
Value $12.14M Shares 1,550,000 Est. Cost $5.64 Unrealized
TESARO INC 1.1%
Value $12.05M Shares 210,000 Est. Cost $32.62 Unrealized
ISRG INTUITIVE SURGICAL INC 1.1%
Value $11.36M Shares 22,500 Est. Cost $45.06 Unrealized +25.6%
INOVALON HLDGS INC 1.1%
Value $11.33M Shares 375,000 Est. Cost $30.21 Unrealized
RECEPTOS INC 1.0%
Value $10.72M Shares 65,000 Est. Cost $101.59 Unrealized
INCY INCYTE CORP 1.0%
Value $10.36M Shares 113,000 Est. Cost $51.63 Unrealized +60.1%
STERICYCLE INC 1.0%
Value $10.32M Shares 73,500 Est. Cost $123.81 Unrealized
INTERCEPT PHARMACEUTICALS IN 0.9%
Value $10.15M Shares 36,000 Est. Cost $197.65 Unrealized
COOPER COS INC 0.9%
Value $10.12M Shares 54,000 Est. Cost $135.58 Unrealized
HEALTHSOUTH CORP 0.9%
Value $9.759M Shares 220,000 Est. Cost $44.36 Unrealized
LABORATORY CORP AMER HLDGS 0.9%
Value $9.457M Shares 75,000 Est. Cost $126.09 Unrealized
HEARTWARE INTL INC 0.9%
Value $9.216M Shares 105,000 Est. Cost $83.76 Unrealized
RTI SURGICAL INC 0.9%
Value $9.188M Shares 1,860,000 Est. Cost $4.28 Unrealized
PRTA PROTHENA CORP PLC 0.8%
Value $9.058M Shares 237,500 Est. Cost $26.24 Unrealized -2.2%
DHR DANAHER CORP DEL 0.8%
Value $8.957M Shares 105,500 Est. Cost $31.51 Unrealized +10.7%
MEDICINES CO 0.8%
Value $8.406M Shares 300,000 Est. Cost $28.97 Unrealized
FLAMEL TECHNOLOGIES SA 0.8%
Value $8.271M Shares 460,000 Est. Cost $13.45 Unrealized
PRA HEALTH SCIENCES INC 0.8%
Value $8.219M Shares 285,000 Est. Cost $24.22 Unrealized
VRTX VERTEX PHARMACEUTICALS INC 0.8%
Value $8.022M Shares 68,000 Est. Cost $81.25 Unrealized +47.5%
XLV SELECT SECTOR SPDR TR 0.7%
Value $7.975M Shares 110,000 Est. Cost $68.38 Unrealized
PRGO PERRIGO CO PLC 0.7%
Value $7.781M Shares 47,000 Est. Cost $157.56 Unrealized +1.2%
NOVADAQ TECHNOLOGIES INC 0.7%
Value $7.714M Shares 475,000 Est. Cost $14.69 Unrealized
INSM INSMED INC 0.7%
Value $7.592M Shares 365,000 Est. Cost $17.62 Unrealized 0.0%
JUNO THERAPEUTICS INC 0.7%
Value $7.426M Shares 122,426 Est. Cost $52.22 Unrealized
RELYPSA INC 0.7%
Value $7.394M Shares 205,000 Est. Cost $26.35 Unrealized
DVA DAVITA HEALTHCARE PARTNERS I 0.7%
Value $7.315M Shares 90,000 Est. Cost $76.74 Unrealized 0.0%
ADVAXIS INC 0.7%
Value $7.076M Shares 490,000 Est. Cost $11.49 Unrealized
ZS PHARMA INC 0.6%
Value $6.649M Shares 158,000 Est. Cost $40.37 Unrealized
WUXI PHARMATECH CAYMAN INC 0.6%
Value $6.515M Shares 168,000 Est. Cost $36.60 Unrealized
TBPH THERAVANCE BIOPHARMA INC 0.6%
Value $6.489M Shares 374,000 Est. Cost $22.18 Unrealized -17.4%
GW PHARMACEUTICALS PLC 0.6%
Value $6.379M Shares 70,000 Est. Cost $81.75 Unrealized
CONNECTURE INC 0.6%
Value $6.21M Shares 600,000 Est. Cost $9.11 Unrealized
STERIS CORP 0.6%
Value $6.184M Shares 88,000 Est. Cost $65.28 Unrealized
CHRS COHERUS BIOSCIENCES INC 0.6%
Value $6.087M Shares 199,051 Est. Cost $14.11 Unrealized +83.2%
NOVAVAX INC 0.6%
Value $6.037M Shares 730,000 Est. Cost $5.34 Unrealized
TANDEM DIABETES CARE INC 0.6%
Value $6.005M Shares 475,800 Est. Cost $14.26 Unrealized
ACHILLION PHARMACEUTICALS IN 0.6%
Value $5.916M Shares 600,000 Est. Cost $11.31 Unrealized
KYTHERA BIOPHARMACEUTICALS I 0.5%
Value $5.767M Shares 115,000 Est. Cost $50.15 Unrealized
EPIZYME INC 0.5%
Value $5.756M Shares 306,500 Est. Cost $22.35 Unrealized
PBYI PUMA BIOTECHNOLOGY INC 0.5%
Value $5.726M Shares 24,250 Est. Cost $207.56 Unrealized +3.0%
RARE ULTRAGENYX PHARMACEUTICAL IN 0.5%
Value $5.712M Shares 92,000 Est. Cost $50.60 Unrealized +9.8%
WELLCARE HEALTH PLANS INC 0.5%
Value $5.488M Shares 60,000 Est. Cost $63.98 Unrealized
CARDIOME PHARMA CORP 0.5%
Value $5.232M Shares 565,000 Est. Cost $9.26 Unrealized
ACTAVIS PLC 0.5%
Value $5.15M Shares 5,000 Est. Cost $1030.00 Unrealized
CERULEAN PHARMA INC 0.5%
Value $4.865M Shares 540,000 Est. Cost $6.16 Unrealized
FIBROGEN INC 0.4%
Value $4.748M Shares 151,300 Est. Cost $27.34 Unrealized
AERIE PHARMACEUTICALS INC 0.4%
Value $4.576M Shares 146,000 Est. Cost $23.50 Unrealized
REGN REGENERON PHARMACEUTICALS 0.4%
Value $4.515M Shares 10,000 Est. Cost $394.13 Unrealized +6.9%
PCRX PACIRA PHARMACEUTICALS INC 0.4%
Value $4.509M Shares 50,750 Est. Cost $101.46 Unrealized 0.0%
JAZZ JAZZ PHARMACEUTICALS PLC 0.4%
Value $4.493M Shares 26,000 Est. Cost $157.61 Unrealized +8.9%
ILMN ILLUMINA INC 0.4%
Value $4.455M Shares 24,000 Est. Cost $92.26 Unrealized +104.1%
CERNER CORP 0.4%
Value $4.396M Shares 60,000 Est. Cost $73.27 Unrealized
CHINA CORD BLOOD CORP 0.4%
Value $4.241M Shares 830,000 Est. Cost $4.13 Unrealized
ASSEMBLY BIOSCIENCES INC 0.4%
Value $4.204M Shares 317,500 Est. Cost $13.24 Unrealized
KITE PHARMA INC 0.4%
Value $4.123M Shares 71,474 Est. Cost $36.66 Unrealized
CASTLIGHT HEALTH INC 0.4%
Value $4.074M Shares 525,000 Est. Cost $9.71 Unrealized
BMRN BIOMARIN PHARMACEUTICAL INC 0.4%
Value $4.05M Shares 32,500 Est. Cost $105.95 Unrealized 0.0%
TETRAPHASE PHARMACEUTICALS I 0.4%
Value $3.756M Shares 102,500 Est. Cost $36.64 Unrealized
MGNX MACROGENICS INC 0.3%
Value $3.655M Shares 116,500 Est. Cost $33.89 Unrealized 0.0%
FIVE PRIME THERAPEUTICS INC 0.3%
Value $3.108M Shares 136,000 Est. Cost $20.31 Unrealized
BLUEBIRD BIO INC 0.3%
Value $3.019M Shares 25,000 Est. Cost $91.72 Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 0.3%
Value $3.006M Shares 215,000 Est. Cost $12.60 Unrealized +21.3%
AVALANCHE BIOTECHNOLOGIES IN 0.3%
Value $2.857M Shares 70,500 Est. Cost $40.52 Unrealized
BENEFITFOCUS INC 0.3%
Value $2.759M Shares 75,000 Est. Cost $36.79 Unrealized
CLLS CELLECTIS S A 0.2%
Value $2.594M Shares 75,000 Est. Cost $34.59 Unrealized
SPARK THERAPEUTICS INC 0.2%
Value $2.566M Shares 33,106 Est. Cost $77.51 Unrealized
PTCT PTC THERAPEUTICS INC 0.2%
Value $2.464M Shares 40,500 Est. Cost $61.01 Unrealized 0.0%
XENOPORT INC 0.2%
Value $2.207M Shares 310,000 Est. Cost $6.77 Unrealized
INVITAE CORP 0.2%
Value $2.095M Shares 125,000 Est. Cost $16.76 Unrealized
TRIVASCULAR TECHNOLOGIES INC 0.2%
Value $2.077M Shares 198,000 Est. Cost $12.57 Unrealized
KINDRED BIOSCIENCES INC 0.2%
Value $1.964M Shares 275,000 Est. Cost $17.68 Unrealized
ANTHERA PHARMACEUTICALS INC 0.2%
Value $1.9M Shares 425,000 Est. Cost $4.47 Unrealized
RAPTOR PHARMACEUTICAL CORP 0.2%
Value $1.685M Shares 155,000 Est. Cost $10.87 Unrealized
ROKA BIOSCIENCE INC 0.1%
Value $800K Shares 250,000 Est. Cost $10.05 Unrealized
ENTEROMEDICS INC 0.1%
Value $743K Shares 811,760 Est. Cost $1.70 Unrealized
DERMIRA INC 0.1%
Value $649K Shares 42,274 Est. Cost $18.12 Unrealized
ASND ASCENDIS PHARMA A S 0.1%
Value $617K Shares 35,540 Est. Cost $17.36 Unrealized
HRTX HERON THERAPEUTICS INC 0.0%
Value $473K Shares 32,500 Est. Cost $8.66 Unrealized +30.1%