Rock Springs Capital Management LP Diversified Active

Location: Baltimore, MD

CIK: 0001595725 · Show all filings

Period: Q2 2014 (← Previous) (Next →)

Filing Date: Aug 14, 2014

Total Value: $558M (100.0% shares, 0.0% debt)

Holdings (78)

GILD GILEAD SCIENCES INC 5.1%
Value $28.19M Shares 340,000 Est. Cost $49.35 Unrealized +9.6%
MRK MERCK & CO INC NEW 4.9%
Value $27.48M Shares 475,000 Est. Cost $37.96 Unrealized 0.0%
MEDTRONIC INC 4.7%
Value $26.46M Shares 415,000 Est. Cost $63.76 Unrealized
INTERMUNE INC 4.3%
Value $23.75M Shares 538,000 Est. Cost $31.66 Unrealized
MCK MCKESSON CORP 4.0%
Value $22.16M Shares 119,000 Est. Cost $150.48 Unrealized +8.5%
BIIB BIOGEN IDEC INC 3.4%
Value $18.92M Shares 60,000 Est. Cost $264.20 Unrealized +13.9%
THORATEC CORP 3.1%
Value $17.16M Shares 492,200 Est. Cost $36.08 Unrealized
ABBV ABBVIE INC 2.8%
Value $15.52M Shares 275,000 Est. Cost $30.80 Unrealized +7.1%
ACTAVIS PLC 2.6%
Value $14.67M Shares 65,750 Est. Cost $194.23 Unrealized
CELGENE CORP 2.5%
Value $13.74M Shares 160,000 Est. Cost $123.11 Unrealized
AMGN AMGEN INC 2.4%
Value $13.61M Shares 115,000 Est. Cost $82.92 Unrealized +0.5%
ALEXION PHARMACEUTICALS INC 2.4%
Value $13.4M Shares 85,750 Est. Cost $143.13 Unrealized
TMO THERMO FISHER SCIENTIFIC INC 2.3%
Value $12.74M Shares 108,000 Est. Cost $102.60 Unrealized +10.6%
FLAMEL TECHNOLOGIES SA 2.1%
Value $11.63M Shares 775,000 Est. Cost $13.45 Unrealized
HUM HUMANA INC 1.7%
Value $9.26M Shares 72,500 Est. Cost $93.31 Unrealized +15.7%
CVS CVS CAREMARK CORPORATION 1.6%
Value $9.139M Shares 121,250 Est. Cost $49.20 Unrealized +11.6%
CIGNA CORPORATION 1.6%
Value $8.737M Shares 95,000 Est. Cost $91.97 Unrealized
ISRG INTUITIVE SURGICAL INC 1.6%
Value $8.668M Shares 21,050 Est. Cost $42.56 Unrealized +3.6%
COOPER COS INC 1.5%
Value $8.538M Shares 63,000 Est. Cost $133.74 Unrealized
HILL ROM HLDGS INC 1.5%
Value $8.094M Shares 195,000 Est. Cost $41.51 Unrealized
ATHENAHEALTH INC 1.4%
Value $7.789M Shares 62,250 Est. Cost $128.07 Unrealized
ILMN ILLUMINA INC 1.4%
Value $7.677M Shares 43,000 Est. Cost $92.26 Unrealized +61.7%
RTI SURGICAL INC 1.4%
Value $7.613M Shares 1,750,000 Est. Cost $4.24 Unrealized
AETNA INC NEW 1.3%
Value $7.5M Shares 92,500 Est. Cost $81.08 Unrealized
PCRX PACIRA PHARMACEUTICALS INC 1.3%
Value $7.142M Shares 77,750 Est. Cost $59.74 Unrealized +27.5%
VALEANT PHARMACEUTICALS INTL 1.2%
Value $6.968M Shares 55,250 Est. Cost $119.33 Unrealized
ST JUDE MED INC 1.2%
Value $6.925M Shares 100,000 Est. Cost $69.25 Unrealized
TEAM HEALTH HOLDINGS INC 1.1%
Value $6.093M Shares 122,000 Est. Cost $45.52 Unrealized
WALGREEN CO 1.1%
Value $5.93M Shares 80,000 Est. Cost $60.12 Unrealized
ENVISION HEALTHCARE HLDGS IN 1.1%
Value $5.925M Shares 165,000 Est. Cost $34.18 Unrealized
RITE AID CORP 1.0%
Value $5.736M Shares 800,000 Est. Cost $7.17 Unrealized
OREXIGEN THERAPEUTICS INC 1.0%
Value $5.593M Shares 905,000 Est. Cost $5.97 Unrealized
ACHC ACADIA HEALTHCARE COMPANY IN 1.0%
Value $5.46M Shares 120,000 Est. Cost $43.95 Unrealized 0.0%
A AGILENT TECHNOLOGIES INC 1.0%
Value $5.457M Shares 95,000 Est. Cost $34.80 Unrealized +4.8%
CAH CARDINAL HEALTH INC 1.0%
Value $5.416M Shares 79,000 Est. Cost $45.36 Unrealized +9.5%
THERAVANCE INC 1.0%
Value $5.36M Shares 180,000 Est. Cost $31.96 Unrealized
MWI VETERINARY SUPPLY INC 1.0%
Value $5.36M Shares 37,750 Est. Cost $141.99 Unrealized
INCY INCYTE CORP 1.0%
Value $5.348M Shares 94,750 Est. Cost $50.31 Unrealized +1.5%
FOREST LABS INC 1.0%
Value $5.346M Shares 54,000 Est. Cost $71.97 Unrealized
TESARO INC 0.9%
Value $5.133M Shares 165,000 Est. Cost $29.39 Unrealized
HEARTWARE INTL INC 0.9%
Value $5.089M Shares 57,500 Est. Cost $93.19 Unrealized
HCA HCA HOLDINGS INC 0.9%
Value $4.933M Shares 87,500 Est. Cost $44.72 Unrealized +9.7%
STERICYCLE INC 0.9%
Value $4.914M Shares 41,500 Est. Cost $114.83 Unrealized
PHARMACYCLICS INC 0.9%
Value $4.867M Shares 54,250 Est. Cost $97.71 Unrealized
KINDRED BIOSCIENCES INC 0.8%
Value $4.623M Shares 248,000 Est. Cost $18.60 Unrealized
NBIX NEUROCRINE BIOSCIENCES INC 0.8%
Value $4.6M Shares 310,000 Est. Cost $17.01 Unrealized -17.0%
VRTX VERTEX PHARMACEUTICALS INC 0.8%
Value $4.379M Shares 46,250 Est. Cost $69.95 Unrealized +0.2%
FEI CO 0.7%
Value $4.174M Shares 46,000 Est. Cost $90.80 Unrealized
PRGO PERRIGO CO PLC 0.7%
Value $4.154M Shares 28,500 Est. Cost $157.83 Unrealized -10.2%
CHINA CORD BLOOD CORP 0.7%
Value $4.14M Shares 750,000 Est. Cost $4.07 Unrealized
CYBERONICS INC 0.7%
Value $4.029M Shares 64,500 Est. Cost $62.47 Unrealized
AVANIR PHARMACEUTICALS INC 0.7%
Value $3.948M Shares 700,000 Est. Cost $4.66 Unrealized
MEDICINES CO 0.7%
Value $3.926M Shares 135,100 Est. Cost $30.94 Unrealized
WELLCARE HEALTH PLANS INC 0.7%
Value $3.845M Shares 51,500 Est. Cost $65.73 Unrealized
CRL CHARLES RIV LABS INTL INC 0.7%
Value $3.813M Shares 71,250 Est. Cost $57.25 Unrealized -4.1%
ADVISORY BRD CO 0.7%
Value $3.756M Shares 72,500 Est. Cost $56.95 Unrealized
COVANCE INC 0.7%
Value $3.68M Shares 43,000 Est. Cost $90.05 Unrealized
INTERCEPT PHARMACEUTICALS IN 0.6%
Value $3.573M Shares 15,100 Est. Cost $91.71 Unrealized
VERSARTIS INC 0.6%
Value $3.484M Shares 124,255 Est. Cost $28.04 Unrealized
PRTA PROTHENA CORP PLC 0.6%
Value $3.383M Shares 150,000 Est. Cost $28.14 Unrealized -11.1%
TANDEM DIABETES CARE INC 0.6%
Value $3.171M Shares 195,000 Est. Cost $16.26 Unrealized
WUXI PHARMATECH CAYMAN INC 0.6%
Value $3.171M Shares 96,500 Est. Cost $35.57 Unrealized
RELYPSA INC 0.5%
Value $3.064M Shares 126,000 Est. Cost $24.32 Unrealized
CAREFUSION CORP 0.5%
Value $3.016M Shares 68,000 Est. Cost $44.35 Unrealized
RARE ULTRAGENYX PHARMACEUTICAL IN 0.5%
Value $2.94M Shares 65,500 Est. Cost $49.27 Unrealized -16.4%
ALLERGAN INC 0.5%
Value $2.75M Shares 16,250 Est. Cost $169.23 Unrealized
CUBIST PHARMACEUTICALS INC 0.5%
Value $2.723M Shares 39,000 Est. Cost $70.46 Unrealized
NOVAVAX INC 0.5%
Value $2.633M Shares 570,000 Est. Cost $4.80 Unrealized
REGN REGENERON PHARMACEUTICALS 0.4%
Value $2.119M Shares 7,500 Est. Cost $306.39 Unrealized -3.8%
ALKS ALKERMES PLC 0.4%
Value $2.076M Shares 41,250 Est. Cost $41.37 Unrealized +11.5%
FIVE PRIME THERAPEUTICS INC 0.3%
Value $1.944M Shares 125,000 Est. Cost $19.66 Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 0.3%
Value $1.943M Shares 152,500 Est. Cost $12.78 Unrealized -18.5%
ARROWHEAD RESH CORP 0.3%
Value $1.646M Shares 115,000 Est. Cost $15.69 Unrealized
TBPH THERAVANCE BIOPHARMA INC 0.3%
Value $1.594M Shares 50,000 Est. Cost $27.05 Unrealized 0.0%
NOVADAQ TECHNOLOGIES INC 0.3%
Value $1.483M Shares 90,000 Est. Cost $16.48 Unrealized
ENTEROMEDICS INC 0.2%
Value $1.326M Shares 850,000 Est. Cost $1.85 Unrealized
EXEL EXELIXIS INC 0.1%
Value $678K Shares 200,000 Est. Cost $6.03 Unrealized -42.7%
CERULEAN PHARMA INC 0.1%
Value $497K Shares 85,635 Est. Cost $5.80 Unrealized