Rock Springs Capital Management LP Diversified Active

CIK: 0001595725 · Show all filings

Period: Q2 2014 (← Previous) (Next →)

Filing Date: Aug 14, 2014

Total Value ($000): $557,716 (100.0% shares, 0.0% debt)

Holdings (78)

GILD GILEAD SCIENCES INC 5.1%
Value ($000) $28,189 Shares 340,000 Est. Cost $49.35 Unrealized +9.6%
MRK MERCK & CO INC NEW 4.9%
Value ($000) $27,479 Shares 475,000 Est. Cost $37.96 Unrealized 0.0%
MEDTRONIC INC 4.7%
Value ($000) $26,460 Shares 415,000 Est. Cost $63.76 Unrealized
INTERMUNE INC 4.3%
Value ($000) $23,753 Shares 538,000 Est. Cost $31.66 Unrealized
MCK MCKESSON CORP 4.0%
Value ($000) $22,159 Shares 119,000 Est. Cost $150.48 Unrealized +8.5%
BIIB BIOGEN IDEC INC 3.4%
Value ($000) $18,919 Shares 60,000 Est. Cost $264.20 Unrealized +13.9%
THORATEC CORP 3.1%
Value ($000) $17,158 Shares 492,200 Est. Cost $36.08 Unrealized
ABBV ABBVIE INC 2.8%
Value ($000) $15,521 Shares 275,000 Est. Cost $30.80 Unrealized +7.1%
ACTAVIS PLC 2.6%
Value ($000) $14,666 Shares 65,750 Est. Cost $194.23 Unrealized
CELGENE CORP 2.5%
Value ($000) $13,741 Shares 160,000 Est. Cost $123.11 Unrealized
AMGN AMGEN INC 2.4%
Value ($000) $13,613 Shares 115,000 Est. Cost $82.92 Unrealized +0.5%
ALEXION PHARMACEUTICALS INC 2.4%
Value ($000) $13,398 Shares 85,750 Est. Cost $143.13 Unrealized
TMO THERMO FISHER SCIENTIFIC INC 2.3%
Value ($000) $12,744 Shares 108,000 Est. Cost $102.60 Unrealized +10.6%
FLAMEL TECHNOLOGIES SA 2.1%
Value ($000) $11,625 Shares 775,000 Est. Cost $13.45 Unrealized
HUM HUMANA INC 1.7%
Value ($000) $9,260 Shares 72,500 Est. Cost $93.31 Unrealized +15.7%
CVS CVS CAREMARK CORPORATION 1.6%
Value ($000) $9,139 Shares 121,250 Est. Cost $49.20 Unrealized +11.6%
CIGNA CORPORATION 1.6%
Value ($000) $8,737 Shares 95,000 Est. Cost $91.97 Unrealized
ISRG INTUITIVE SURGICAL INC 1.6%
Value ($000) $8,668 Shares 21,050 Est. Cost $42.56 Unrealized +3.6%
COOPER COS INC 1.5%
Value ($000) $8,538 Shares 63,000 Est. Cost $133.74 Unrealized
HILL ROM HLDGS INC 1.5%
Value ($000) $8,094 Shares 195,000 Est. Cost $41.51 Unrealized
ATHENAHEALTH INC 1.4%
Value ($000) $7,789 Shares 62,250 Est. Cost $128.07 Unrealized
ILMN ILLUMINA INC 1.4%
Value ($000) $7,677 Shares 43,000 Est. Cost $92.26 Unrealized +61.7%
RTI SURGICAL INC 1.4%
Value ($000) $7,613 Shares 1,750,000 Est. Cost $4.24 Unrealized
AETNA INC NEW 1.3%
Value ($000) $7,500 Shares 92,500 Est. Cost $81.08 Unrealized
PCRX PACIRA PHARMACEUTICALS INC 1.3%
Value ($000) $7,142 Shares 77,750 Est. Cost $59.74 Unrealized +27.5%
VALEANT PHARMACEUTICALS INTL 1.2%
Value ($000) $6,968 Shares 55,250 Est. Cost $119.33 Unrealized
ST JUDE MED INC 1.2%
Value ($000) $6,925 Shares 100,000 Est. Cost $69.25 Unrealized
TEAM HEALTH HOLDINGS INC 1.1%
Value ($000) $6,093 Shares 122,000 Est. Cost $45.52 Unrealized
WALGREEN CO 1.1%
Value ($000) $5,930 Shares 80,000 Est. Cost $60.12 Unrealized
ENVISION HEALTHCARE HLDGS IN 1.1%
Value ($000) $5,925 Shares 165,000 Est. Cost $34.18 Unrealized
RITE AID CORP 1.0%
Value ($000) $5,736 Shares 800,000 Est. Cost $7.17 Unrealized
OREXIGEN THERAPEUTICS INC 1.0%
Value ($000) $5,593 Shares 905,000 Est. Cost $5.97 Unrealized
ACHC ACADIA HEALTHCARE COMPANY IN 1.0%
Value ($000) $5,460 Shares 120,000 Est. Cost $43.95 Unrealized 0.0%
A AGILENT TECHNOLOGIES INC 1.0%
Value ($000) $5,457 Shares 95,000 Est. Cost $34.80 Unrealized +4.8%
CAH CARDINAL HEALTH INC 1.0%
Value ($000) $5,416 Shares 79,000 Est. Cost $45.36 Unrealized +9.5%
THERAVANCE INC 1.0%
Value ($000) $5,360 Shares 180,000 Est. Cost $31.96 Unrealized
MWI VETERINARY SUPPLY INC 1.0%
Value ($000) $5,360 Shares 37,750 Est. Cost $141.99 Unrealized
INCY INCYTE CORP 1.0%
Value ($000) $5,348 Shares 94,750 Est. Cost $50.31 Unrealized +1.5%
FOREST LABS INC 1.0%
Value ($000) $5,346 Shares 54,000 Est. Cost $71.97 Unrealized
TESARO INC 0.9%
Value ($000) $5,133 Shares 165,000 Est. Cost $29.39 Unrealized
HEARTWARE INTL INC 0.9%
Value ($000) $5,089 Shares 57,500 Est. Cost $93.19 Unrealized
HCA HCA HOLDINGS INC 0.9%
Value ($000) $4,933 Shares 87,500 Est. Cost $44.72 Unrealized +9.7%
STERICYCLE INC 0.9%
Value ($000) $4,914 Shares 41,500 Est. Cost $114.83 Unrealized
PHARMACYCLICS INC 0.9%
Value ($000) $4,867 Shares 54,250 Est. Cost $97.71 Unrealized
KINDRED BIOSCIENCES INC 0.8%
Value ($000) $4,623 Shares 248,000 Est. Cost $18.60 Unrealized
NBIX NEUROCRINE BIOSCIENCES INC 0.8%
Value ($000) $4,600 Shares 310,000 Est. Cost $17.01 Unrealized -17.0%
VRTX VERTEX PHARMACEUTICALS INC 0.8%
Value ($000) $4,379 Shares 46,250 Est. Cost $69.95 Unrealized +0.2%
FEI CO 0.7%
Value ($000) $4,174 Shares 46,000 Est. Cost $90.80 Unrealized
PRGO PERRIGO CO PLC 0.7%
Value ($000) $4,154 Shares 28,500 Est. Cost $157.83 Unrealized -10.2%
CHINA CORD BLOOD CORP 0.7%
Value ($000) $4,140 Shares 750,000 Est. Cost $4.07 Unrealized
CYBERONICS INC 0.7%
Value ($000) $4,029 Shares 64,500 Est. Cost $62.47 Unrealized
AVANIR PHARMACEUTICALS INC 0.7%
Value ($000) $3,948 Shares 700,000 Est. Cost $4.66 Unrealized
MEDICINES CO 0.7%
Value ($000) $3,926 Shares 135,100 Est. Cost $30.94 Unrealized
WELLCARE HEALTH PLANS INC 0.7%
Value ($000) $3,845 Shares 51,500 Est. Cost $65.73 Unrealized
CRL CHARLES RIV LABS INTL INC 0.7%
Value ($000) $3,813 Shares 71,250 Est. Cost $57.25 Unrealized -4.1%
ADVISORY BRD CO 0.7%
Value ($000) $3,756 Shares 72,500 Est. Cost $56.95 Unrealized
COVANCE INC 0.7%
Value ($000) $3,680 Shares 43,000 Est. Cost $90.05 Unrealized
INTERCEPT PHARMACEUTICALS IN 0.6%
Value ($000) $3,573 Shares 15,100 Est. Cost $91.71 Unrealized
VERSARTIS INC 0.6%
Value ($000) $3,484 Shares 124,255 Est. Cost $28.04 Unrealized
PRTA PROTHENA CORP PLC 0.6%
Value ($000) $3,383 Shares 150,000 Est. Cost $28.14 Unrealized -11.1%
TANDEM DIABETES CARE INC 0.6%
Value ($000) $3,171 Shares 195,000 Est. Cost $16.26 Unrealized
WUXI PHARMATECH CAYMAN INC 0.6%
Value ($000) $3,171 Shares 96,500 Est. Cost $35.57 Unrealized
RELYPSA INC 0.5%
Value ($000) $3,064 Shares 126,000 Est. Cost $24.32 Unrealized
CAREFUSION CORP 0.5%
Value ($000) $3,016 Shares 68,000 Est. Cost $44.35 Unrealized
RARE ULTRAGENYX PHARMACEUTICAL IN 0.5%
Value ($000) $2,940 Shares 65,500 Est. Cost $49.27 Unrealized -16.4%
ALLERGAN INC 0.5%
Value ($000) $2,750 Shares 16,250 Est. Cost $169.23 Unrealized
CUBIST PHARMACEUTICALS INC 0.5%
Value ($000) $2,723 Shares 39,000 Est. Cost $70.46 Unrealized
NOVAVAX INC 0.5%
Value ($000) $2,633 Shares 570,000 Est. Cost $4.80 Unrealized
REGN REGENERON PHARMACEUTICALS 0.4%
Value ($000) $2,119 Shares 7,500 Est. Cost $306.39 Unrealized -3.8%
ALKS ALKERMES PLC 0.4%
Value ($000) $2,076 Shares 41,250 Est. Cost $41.37 Unrealized +11.5%
FIVE PRIME THERAPEUTICS INC 0.3%
Value ($000) $1,944 Shares 125,000 Est. Cost $19.66 Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 0.3%
Value ($000) $1,943 Shares 152,500 Est. Cost $12.78 Unrealized -18.5%
ARROWHEAD RESH CORP 0.3%
Value ($000) $1,646 Shares 115,000 Est. Cost $15.69 Unrealized
TBPH THERAVANCE BIOPHARMA INC 0.3%
Value ($000) $1,594 Shares 50,000 Est. Cost $27.05 Unrealized 0.0%
NOVADAQ TECHNOLOGIES INC 0.3%
Value ($000) $1,483 Shares 90,000 Est. Cost $16.48 Unrealized
ENTEROMEDICS INC 0.2%
Value ($000) $1,326 Shares 850,000 Est. Cost $1.85 Unrealized
EXEL EXELIXIS INC 0.1%
Value ($000) $678 Shares 200,000 Est. Cost $6.03 Unrealized -42.7%
CERULEAN PHARMA INC 0.1%
Value ($000) $497 Shares 85,635 Est. Cost $5.80 Unrealized