Rock Springs Capital Management LP Diversified Active

Location: Baltimore, MD

CIK: 0001595725 · Show all filings

Period: Q3 2014 (← Previous) (Next →)

Filing Date: Nov 14, 2014

Total Value: $646M (100.0% shares, 0.0% debt)

Holdings (83)

GILD GILEAD SCIENCES INC 6.0%
Value $38.64M Shares 363,000 Est. Cost $50.54 Unrealized +34.6%
MEDTRONIC INC 5.1%
Value $32.68M Shares 527,500 Est. Cost $63.37 Unrealized
ABBV ABBVIE INC 4.7%
Value $30.32M Shares 525,000 Est. Cost $32.88 Unrealized +7.0%
MRK MERCK & CO INC NEW 4.4%
Value $28.16M Shares 475,000 Est. Cost $37.96 Unrealized +3.7%
MCK MCKESSON CORP 3.9%
Value $25.02M Shares 128,500 Est. Cost $152.43 Unrealized +16.0%
HCA HCA HOLDINGS INC 3.5%
Value $22.58M Shares 320,250 Est. Cost $56.87 Unrealized +8.0%
ACTAVIS PLC 3.3%
Value $21.17M Shares 87,750 Est. Cost $206.03 Unrealized
AMGN AMGEN INC 3.2%
Value $20.37M Shares 145,000 Est. Cost $85.32 Unrealized +10.8%
BIIB BIOGEN IDEC INC 3.1%
Value $20.3M Shares 61,350 Est. Cost $265.65 Unrealized +24.1%
CELGENE CORP 2.4%
Value $15.73M Shares 166,000 Est. Cost $122.09 Unrealized
ALEXION PHARMACEUTICALS INC 2.3%
Value $14.88M Shares 89,750 Est. Cost $144.14 Unrealized
THORATEC CORP 2.2%
Value $13.93M Shares 521,000 Est. Cost $35.56 Unrealized
TMO THERMO FISHER SCIENTIFIC INC 2.0%
Value $13.2M Shares 108,500 Est. Cost $102.60 Unrealized +14.4%
AVANIR PHARMACEUTICALS INC 2.0%
Value $13.11M Shares 1,100,000 Est. Cost $7.30 Unrealized
COOPER COS INC 1.7%
Value $10.71M Shares 68,750 Est. Cost $135.58 Unrealized
FLAMEL TECHNOLOGIES SA 1.6%
Value $10.52M Shares 735,000 Est. Cost $13.45 Unrealized
HUM HUMANA INC 1.6%
Value $10.36M Shares 79,500 Est. Cost $95.31 Unrealized +21.8%
CVS CVS HEALTH CORP 1.6%
Value $10.35M Shares 130,000 Est. Cost $49.76 Unrealized +15.5%
PHARMACYCLICS INC 1.5%
Value $10.01M Shares 85,250 Est. Cost $104.88 Unrealized
ENVISION HEALTHCARE HLDGS IN 1.5%
Value $9.901M Shares 285,500 Est. Cost $34.39 Unrealized
PCRX PACIRA PHARMACEUTICALS INC 1.5%
Value $9.886M Shares 102,000 Est. Cost $68.67 Unrealized +41.7%
ACHC ACADIA HEALTHCARE COMPANY IN 1.5%
Value $9.846M Shares 203,000 Est. Cost $45.97 Unrealized +6.4%
ATHENAHEALTH INC 1.4%
Value $8.922M Shares 67,750 Est. Cost $128.36 Unrealized
RTI SURGICAL INC 1.4%
Value $8.889M Shares 1,859,600 Est. Cost $4.28 Unrealized
HILL ROM HLDGS INC 1.4%
Value $8.825M Shares 213,000 Est. Cost $41.50 Unrealized
TEAM HEALTH HOLDINGS INC 1.4%
Value $8.742M Shares 150,750 Est. Cost $47.90 Unrealized
AETNA INC NEW 1.3%
Value $8.586M Shares 106,000 Est. Cost $81.07 Unrealized
ISRG INTUITIVE SURGICAL INC 1.3%
Value $8.544M Shares 18,500 Est. Cost $42.56 Unrealized +16.7%
VALEANT PHARMACEUTICALS INTL 1.1%
Value $7.347M Shares 56,000 Est. Cost $119.48 Unrealized
CAH CARDINAL HEALTH INC 1.1%
Value $6.911M Shares 92,250 Est. Cost $46.50 Unrealized +14.7%
CIGNA CORPORATION 1.1%
Value $6.802M Shares 75,000 Est. Cost $91.97 Unrealized
DHR DANAHER CORP DEL 1.0%
Value $6.458M Shares 85,000 Est. Cost $31.17 Unrealized 0.0%
VRTX VERTEX PHARMACEUTICALS INC 1.0%
Value $6.458M Shares 57,500 Est. Cost $74.90 Unrealized +27.1%
HEARTWARE INTL INC 1.0%
Value $6.366M Shares 82,000 Est. Cost $88.54 Unrealized
ILMN ILLUMINA INC 0.9%
Value $6.065M Shares 37,000 Est. Cost $92.26 Unrealized +81.2%
MWI VETERINARY SUPPLY INC 0.9%
Value $5.788M Shares 39,000 Est. Cost $142.19 Unrealized
STERICYCLE INC 0.8%
Value $5.478M Shares 47,000 Est. Cost $115.03 Unrealized
OREXIGEN THERAPEUTICS INC 0.8%
Value $5.325M Shares 1,250,000 Est. Cost $5.50 Unrealized
INCY INCYTE CORP 0.8%
Value $5.052M Shares 103,000 Est. Cost $50.30 Unrealized -0.3%
CATALENT INC 0.8%
Value $5.031M Shares 201,000 Est. Cost $25.03 Unrealized
NBIX NEUROCRINE BIOSCIENCES INC 0.8%
Value $4.936M Shares 315,000 Est. Cost $16.98 Unrealized -12.0%
PBYI PUMA BIOTECHNOLOGY INC 0.8%
Value $4.891M Shares 20,500 Est. Cost $205.34 Unrealized 0.0%
TESARO INC 0.7%
Value $4.778M Shares 177,500 Est. Cost $29.22 Unrealized
WELLCARE HEALTH PLANS INC 0.7%
Value $4.601M Shares 76,250 Est. Cost $63.98 Unrealized
PRTA PROTHENA CORP PLC 0.7%
Value $4.487M Shares 202,500 Est. Cost $26.34 Unrealized -19.5%
RITE AID CORP 0.7%
Value $4.425M Shares 914,300 Est. Cost $6.88 Unrealized
PRGO PERRIGO CO PLC 0.7%
Value $4.28M Shares 28,500 Est. Cost $157.83 Unrealized -5.5%
A AGILENT TECHNOLOGIES INC 0.6%
Value $4.131M Shares 72,500 Est. Cost $34.80 Unrealized +6.9%
ALLERGAN INC 0.6%
Value $4.054M Shares 22,750 Est. Cost $171.79 Unrealized
NOVADAQ TECHNOLOGIES INC 0.6%
Value $3.934M Shares 310,000 Est. Cost $13.79 Unrealized
CHINA CORD BLOOD CORP 0.6%
Value $3.888M Shares 795,000 Est. Cost $4.12 Unrealized
RARE ULTRAGENYX PHARMACEUTICAL IN 0.6%
Value $3.821M Shares 67,500 Est. Cost $49.31 Unrealized +2.1%
TANDEM DIABETES CARE INC 0.6%
Value $3.717M Shares 277,000 Est. Cost $15.42 Unrealized
COVANCE INC 0.6%
Value $3.62M Shares 46,000 Est. Cost $89.31 Unrealized
ZS PHARMA INC 0.6%
Value $3.609M Shares 92,000 Est. Cost $39.23 Unrealized
TBPH THERAVANCE BIOPHARMA INC 0.6%
Value $3.584M Shares 155,500 Est. Cost $28.38 Unrealized +2.2%
INTERCEPT PHARMACEUTICALS IN 0.6%
Value $3.574M Shares 15,100 Est. Cost $91.71 Unrealized
EPIZYME INC 0.5%
Value $3.551M Shares 131,000 Est. Cost $27.11 Unrealized
FEI CO 0.5%
Value $3.545M Shares 47,000 Est. Cost $90.47 Unrealized
CYBERONICS INC 0.5%
Value $3.428M Shares 67,000 Est. Cost $62.04 Unrealized
WUXI PHARMATECH CAYMAN INC 0.5%
Value $3.379M Shares 96,500 Est. Cost $35.57 Unrealized
MEDICINES CO 0.5%
Value $3.309M Shares 148,250 Est. Cost $30.18 Unrealized
THERAVANCE INC 0.5%
Value $3.247M Shares 190,000 Est. Cost $31.18 Unrealized
CUBIST PHARMACEUTICALS INC 0.5%
Value $3.085M Shares 46,500 Est. Cost $69.80 Unrealized
RELYPSA INC 0.5%
Value $3.058M Shares 145,000 Est. Cost $23.89 Unrealized
JAZZ JAZZ PHARMACEUTICALS PLC 0.5%
Value $2.93M Shares 18,250 Est. Cost $153.75 Unrealized 0.0%
INFIQ INFINITY PHARMACEUTICALS INC 0.4%
Value $2.818M Shares 210,000 Est. Cost $12.54 Unrealized -5.0%
KINDRED BIOSCIENCES INC 0.4%
Value $2.544M Shares 275,000 Est. Cost $17.68 Unrealized
ROKA BIOSCIENCE INC 0.4%
Value $2.513M Shares 250,000 Est. Cost $10.05 Unrealized
NOVAVAX INC 0.4%
Value $2.398M Shares 575,000 Est. Cost $4.80 Unrealized
PFENEX INC 0.4%
Value $2.392M Shares 325,000 Est. Cost $7.36 Unrealized
VERSARTIS INC 0.4%
Value $2.36M Shares 124,255 Est. Cost $28.04 Unrealized
KITE PHARMA INC 0.4%
Value $2.351M Shares 82,474 Est. Cost $28.51 Unrealized
AERIE PHARMACEUTICALS INC 0.3%
Value $2.055M Shares 99,300 Est. Cost $20.69 Unrealized
CYMABAY THERAPEUTICS INC 0.3%
Value $2.052M Shares 300,000 Est. Cost $6.84 Unrealized
ARROWHEAD RESH CORP 0.3%
Value $1.699M Shares 115,000 Est. Cost $15.69 Unrealized
RECEPTOS INC 0.2%
Value $1.397M Shares 22,500 Est. Cost $62.09 Unrealized
ENTEROMEDICS INC 0.2%
Value $1.384M Shares 1,125,000 Est. Cost $1.70 Unrealized
FIVE PRIME THERAPEUTICS INC 0.2%
Value $1.349M Shares 115,000 Est. Cost $19.66 Unrealized
XENOPORT INC 0.1%
Value $785K Shares 146,000 Est. Cost $5.38 Unrealized
HRTX HERON THERAPEUTICS INC 0.1%
Value $583K Shares 70,000 Est. Cost $9.31 Unrealized 0.0%
CERULEAN PHARMA INC 0.1%
Value $361K Shares 85,635 Est. Cost $5.80 Unrealized
AVALANCHE BIOTECHNOLOGIES IN 0.0%
Value $246K Shares 7,198 Est. Cost $34.18 Unrealized