Rock Springs Capital Management LP Diversified Active

Location: Baltimore, MD

CIK: 0001595725 · Show all filings

Period: Q3 2015 (← Previous) (Next →)

Filing Date: Nov 16, 2015

Total Value: $1.232B (100.0% shares, 0.0% debt)

Holdings (121)

ACHC ACADIA HEALTHCARE COMPANY IN 4.4%
Value $53.81M Shares 812,000 Est. Cost $64.84 Unrealized +18.6%
AETNA INC NEW 3.4%
Value $42.23M Shares 386,000 Est. Cost $100.10 Unrealized
ABBV ABBVIE INC 3.3%
Value $40.61M Shares 746,423 Est. Cost $35.44 Unrealized +20.0%
RADIUS HEALTH INC 3.2%
Value $38.81M Shares 560,000 Est. Cost $49.12 Unrealized
HCA HCA HOLDINGS INC 3.1%
Value $37.95M Shares 490,500 Est. Cost $62.20 Unrealized +32.3%
ALLERGAN PLC 2.8%
Value $34.25M Shares 126,000 Est. Cost $302.33 Unrealized
ST JUDE MED INC 2.7%
Value $33.44M Shares 530,000 Est. Cost $63.09 Unrealized
ALEXION PHARMACEUTICALS INC 2.2%
Value $26.9M Shares 172,000 Est. Cost $158.56 Unrealized
GILD GILEAD SCIENCES INC 2.1%
Value $25.28M Shares 257,500 Est. Cost $50.54 Unrealized +53.4%
PFE PFIZER INC 1.9%
Value $23.87M Shares 760,000 Est. Cost $20.10 Unrealized +2.5%
MEDICINES CO 1.8%
Value $22.59M Shares 595,000 Est. Cost $32.71 Unrealized
COLL COLLEGIUM PHARMACEUTICAL INC 1.8%
Value $21.99M Shares 994,400 Est. Cost $17.47 Unrealized +3.1%
CELGENE CORP 1.7%
Value $21.42M Shares 198,000 Est. Cost $120.57 Unrealized
ENVISION HEALTHCARE HLDGS IN 1.7%
Value $20.97M Shares 570,000 Est. Cost $36.18 Unrealized
SPARK THERAPEUTICS INC 1.7%
Value $20.86M Shares 500,000 Est. Cost $61.39 Unrealized
VALEANT PHARMACEUTICALS INTL 1.6%
Value $20.07M Shares 112,500 Est. Cost $177.34 Unrealized
LLY LILLY ELI & CO 1.6%
Value $19.46M Shares 232,500 Est. Cost $58.69 Unrealized +20.1%
TEVA TEVA PHARMACEUTICAL INDS LTD 1.5%
Value $18.35M Shares 325,000 Est. Cost $56.46 Unrealized
TEAM HEALTH HOLDINGS INC 1.4%
Value $17.02M Shares 315,000 Est. Cost $53.00 Unrealized
ISRG INTUITIVE SURGICAL INC 1.3%
Value $16.55M Shares 36,000 Est. Cost $49.20 Unrealized +15.1%
CIGNA CORPORATION 1.3%
Value $16.47M Shares 122,000 Est. Cost $102.49 Unrealized
NBIX NEUROCRINE BIOSCIENCES INC 1.2%
Value $14.88M Shares 374,000 Est. Cost $17.96 Unrealized +169.1%
ADEPTUS HEALTH INC 1.2%
Value $14.38M Shares 178,000 Est. Cost $92.75 Unrealized
HEARTWARE INTL INC 1.2%
Value $14.28M Shares 273,000 Est. Cost $68.66 Unrealized
INOVALON HLDGS INC 1.2%
Value $14.27M Shares 685,000 Est. Cost $27.87 Unrealized
RETROPHIN INC 1.1%
Value $13.86M Shares 683,900 Est. Cost $23.91 Unrealized
TORNIER N V 1.1%
Value $13.46M Shares 660,000 Est. Cost $25.81 Unrealized
MCK MCKESSON CORP 1.1%
Value $12.95M Shares 70,000 Est. Cost $158.25 Unrealized +23.6%
HEALTHSOUTH CORP 1.1%
Value $12.95M Shares 337,500 Est. Cost $43.13 Unrealized
INCY INCYTE CORP 1.0%
Value $12.47M Shares 113,000 Est. Cost $51.63 Unrealized +117.2%
ELV ANTHEM INC 1.0%
Value $12.25M Shares 87,500 Est. Cost $134.36 Unrealized -3.4%
TMO THERMO FISHER SCIENTIFIC INC 1.0%
Value $12.23M Shares 100,000 Est. Cost $124.72 Unrealized +1.3%
ARDX ARDELYX INC 1.0%
Value $11.78M Shares 681,500 Est. Cost $13.24 Unrealized +40.9%
CVS CVS HEALTH CORP 0.9%
Value $11.58M Shares 120,000 Est. Cost $53.64 Unrealized +45.0%
AMGN AMGEN INC 0.9%
Value $11.52M Shares 83,250 Est. Cost $88.59 Unrealized +31.2%
BIIB BIOGEN INC 0.9%
Value $11.28M Shares 38,650 Est. Cost $271.44 Unrealized +21.7%
PRTA PROTHENA CORP PLC 0.9%
Value $11.24M Shares 248,000 Est. Cost $26.90 Unrealized +116.5%
RTI SURGICAL INC 0.9%
Value $10.56M Shares 1,860,000 Est. Cost $4.28 Unrealized
CHIASMA INC 0.8%
Value $10.39M Shares 522,500 Est. Cost $19.88 Unrealized
RARE ULTRAGENYX PHARMACEUTICAL IN 0.8%
Value $10.3M Shares 107,000 Est. Cost $59.56 Unrealized +92.3%
ZS PHARMA INC 0.8%
Value $10.18M Shares 155,000 Est. Cost $40.37 Unrealized
ANACOR PHARMACEUTICALS INC 0.8%
Value $10.12M Shares 86,000 Est. Cost $117.71 Unrealized
CARDIOME PHARMA CORP 0.8%
Value $10.04M Shares 1,190,000 Est. Cost $8.88 Unrealized
PRA HEALTH SCIENCES INC 0.8%
Value $9.824M Shares 253,000 Est. Cost $24.22 Unrealized
MD MEDNAX INC 0.8%
Value $9.599M Shares 125,000 Est. Cost $80.69 Unrealized 0.0%
COOPER COS INC 0.7%
Value $9.214M Shares 61,900 Est. Cost $137.27 Unrealized
TESARO INC 0.7%
Value $9.063M Shares 226,000 Est. Cost $33.73 Unrealized
ADAPY ADAPTIMMUNE THERAPEUTICS PLC 0.7%
Value $9.051M Shares 756,100 Est. Cost $18.33 Unrealized
DVA DAVITA HEALTHCARE PARTNERS I 0.7%
Value $8.828M Shares 122,050 Est. Cost $78.15 Unrealized -0.8%
INSYS THERAPEUTICS INC NEW 0.7%
Value $8.766M Shares 308,000 Est. Cost $32.02 Unrealized
GLPG GALAPAGOS NV 0.7%
Value $8.549M Shares 210,000 Est. Cost $48.55 Unrealized
IDXX IDEXX LABS INC 0.7%
Value $8.353M Shares 112,500 Est. Cost $69.26 Unrealized +3.4%
ADURO BIOTECH INC 0.7%
Value $8.039M Shares 415,000 Est. Cost $28.61 Unrealized
JUNO THERAPEUTICS INC 0.7%
Value $8.016M Shares 197,001 Est. Cost $52.64 Unrealized
PEN PENUMBRA INC 0.6%
Value $7.82M Shares 195,000 Est. Cost $40.45 Unrealized 0.0%
GW PHARMACEUTICALS PLC 0.6%
Value $7.812M Shares 85,500 Est. Cost $84.69 Unrealized
ACHILLION PHARMACEUTICALS IN 0.6%
Value $7.774M Shares 1,125,000 Est. Cost $10.13 Unrealized
THORATEC CORP 0.6%
Value $7.591M Shares 120,000 Est. Cost $35.78 Unrealized
WUXI PHARMATECH CAYMAN INC 0.6%
Value $7.562M Shares 175,000 Est. Cost $36.86 Unrealized
VRTX VERTEX PHARMACEUTICALS INC 0.6%
Value $7.524M Shares 72,250 Est. Cost $84.03 Unrealized +52.9%
INTRA CELLULAR THERAPIES INC 0.6%
Value $7.207M Shares 180,000 Est. Cost $40.04 Unrealized
DERMIRA INC 0.6%
Value $7.002M Shares 300,001 Est. Cost $18.60 Unrealized
PCRX PACIRA PHARMACEUTICALS INC 0.6%
Value $6.905M Shares 168,000 Est. Cost $75.19 Unrealized -18.5%
JAZZ JAZZ PHARMACEUTICALS PLC 0.6%
Value $6.84M Shares 51,500 Est. Cost $164.83 Unrealized +4.5%
INSM INSMED INC 0.6%
Value $6.778M Shares 365,000 Est. Cost $17.62 Unrealized +41.7%
TBPH THERAVANCE BIOPHARMA INC 0.5%
Value $6.621M Shares 602,500 Est. Cost $19.06 Unrealized -33.2%
ENDOCHOICE HLDGS INC 0.5%
Value $6.543M Shares 576,000 Est. Cost $16.35 Unrealized
FOLD AMICUS THERAPEUTICS INC 0.5%
Value $6.365M Shares 455,000 Est. Cost $12.65 Unrealized +24.0%
NIVALIS THERAPEUTICS INC 0.5%
Value $6.342M Shares 489,000 Est. Cost $15.15 Unrealized
OTONOMY INC 0.5%
Value $5.713M Shares 320,800 Est. Cost $22.99 Unrealized
CHRS COHERUS BIOSCIENCES INC 0.5%
Value $5.711M Shares 285,000 Est. Cost $21.12 Unrealized +44.1%
NOVADAQ TECHNOLOGIES INC 0.5%
Value $5.632M Shares 540,000 Est. Cost $14.38 Unrealized
INTERSECT ENT INC 0.5%
Value $5.558M Shares 237,500 Est. Cost $27.25 Unrealized
INTERCEPT PHARMACEUTICALS IN 0.4%
Value $5.39M Shares 32,500 Est. Cost $197.65 Unrealized
SERES THERAPEUTICS INC 0.4%
Value $5.335M Shares 180,000 Est. Cost $41.50 Unrealized
BMRN BIOMARIN PHARMACEUTICAL INC 0.4%
Value $5.319M Shares 50,500 Est. Cost $115.80 Unrealized +15.4%
CHINA CORD BLOOD CORP 0.4%
Value $5.298M Shares 880,000 Est. Cost $4.24 Unrealized
REGN REGENERON PHARMACEUTICALS 0.4%
Value $5.117M Shares 11,000 Est. Cost $402.47 Unrealized +32.7%
KITE PHARMA INC 0.4%
Value $5.095M Shares 91,500 Est. Cost $46.24 Unrealized
ATHENAHEALTH INC 0.4%
Value $5.067M Shares 38,000 Est. Cost $114.58 Unrealized
AIMMUNE THERAPEUTICS INC 0.4%
Value $5.064M Shares 200,000 Est. Cost $25.32 Unrealized
NOVAVAX INC 0.4%
Value $5.055M Shares 715,000 Est. Cost $5.34 Unrealized
TANDEM DIABETES CARE INC 0.4%
Value $4.779M Shares 542,500 Est. Cost $13.81 Unrealized
ASND ASCENDIS PHARMA A S 0.4%
Value $4.779M Shares 270,000 Est. Cost $17.64 Unrealized
AGN 5.5 03/01/18 A ALLERGAN PLC 0.4%
Value $4.728M Shares 5,000 Est. Cost $1045.60 Unrealized
MGNX MACROGENICS INC 0.4%
Value $4.67M Shares 218,000 Est. Cost $32.86 Unrealized -4.5%
RELYPSA INC 0.4%
Value $4.665M Shares 252,000 Est. Cost $26.92 Unrealized
THERAPEUTICSMD INC 0.4%
Value $4.542M Shares 775,000 Est. Cost $5.86 Unrealized
GENOCEA BIOSCIENCES INC 0.4%
Value $4.453M Shares 650,000 Est. Cost $6.85 Unrealized
CASTLIGHT HEALTH INC 0.3%
Value $4.2M Shares 1,000,000 Est. Cost $8.18 Unrealized
FIBROGEN INC 0.3%
Value $4.165M Shares 190,000 Est. Cost $26.56 Unrealized
ARATANA THERAPEUTICS INC 0.3%
Value $4.103M Shares 485,000 Est. Cost $12.58 Unrealized
ATYR PHARMA INC 0.3%
Value $3.991M Shares 388,996 Est. Cost $18.52 Unrealized
EPIZYME INC 0.3%
Value $3.987M Shares 310,000 Est. Cost $22.25 Unrealized
EGALET CORP 0.3%
Value $3.954M Shares 300,000 Est. Cost $13.18 Unrealized
BLUEBIRD BIO INC 0.3%
Value $3.85M Shares 45,000 Est. Cost $125.79 Unrealized
INVITAE CORP 0.3%
Value $3.682M Shares 510,000 Est. Cost $13.69 Unrealized
DYNAVAX TECHNOLOGIES CORP 0.3%
Value $3.681M Shares 150,000 Est. Cost $24.54 Unrealized
ASSEMBLY BIOSCIENCES INC 0.3%
Value $3.547M Shares 371,000 Est. Cost $12.67 Unrealized
CIDARA THERAPEUTICS INC 0.3%
Value $3.498M Shares 275,000 Est. Cost $13.90 Unrealized
OREXIGEN THERAPEUTICS INC 0.3%
Value $3.482M Shares 1,650,000 Est. Cost $5.43 Unrealized
ADVAXIS INC 0.3%
Value $3.448M Shares 337,000 Est. Cost $11.49 Unrealized
SCYNEXIS INC 0.3%
Value $3.422M Shares 470,000 Est. Cost $7.85 Unrealized
NABRIVA THERAPEUTICS AG 0.3%
Value $3.082M Shares 324,400 Est. Cost $9.50 Unrealized
CGEN COMPUGEN LTD 0.2%
Value $2.714M Shares 525,000 Est. Cost $5.83 Unrealized 0.0%
GLOBAL BLOOD THERAPEUTICS IN 0.2%
Value $2.53M Shares 60,000 Est. Cost $42.17 Unrealized
ANTHERA PHARMACEUTICALS INC 0.2%
Value $2.436M Shares 400,000 Est. Cost $4.87 Unrealized
CERULEAN PHARMA INC 0.2%
Value $2.288M Shares 625,000 Est. Cost $5.94 Unrealized
DYAX CORP 0.2%
Value $2.186M Shares 114,500 Est. Cost $25.72 Unrealized
XENOPORT INC 0.2%
Value $1.926M Shares 555,000 Est. Cost $5.39 Unrealized
SPARK THERAPEUTICS INC 0.2%
Value $1.907M Shares 45,700 Est. Cost $61.39 Unrealized
FIVE PRIME THERAPEUTICS INC 0.1%
Value $1.847M Shares 120,000 Est. Cost $20.31 Unrealized
RAPTOR PHARMACEUTICAL CORP 0.1%
Value $1.845M Shares 305,000 Est. Cost $13.29 Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 0.1%
Value $1.817M Shares 215,000 Est. Cost $12.60 Unrealized -26.8%
BIODEL INC 0.1%
Value $1.76M Shares 4,000,000 Est. Cost $1.03 Unrealized
CONNECTURE INC 0.1%
Value $1.664M Shares 365,000 Est. Cost $9.17 Unrealized
KINDRED BIOSCIENCES INC 0.1%
Value $1.43M Shares 275,000 Est. Cost $17.68 Unrealized
PBYI PUMA BIOTECHNOLOGY INC 0.1%
Value $1.198M Shares 15,900 Est. Cost $172.74 Unrealized -45.3%
PTCT PTC THERAPEUTICS INC 0.1%
Value $1.147M Shares 42,960 Est. Cost $60.86 Unrealized -29.7%
DBV TECHNOLOGIES S A 0.1%
Value $890K Shares 25,000 Est. Cost $35.60 Unrealized
ROKA BIOSCIENCE INC 0.0%
Value $485K Shares 250,000 Est. Cost $10.05 Unrealized