$2.76 Billion is the total value of Rock Springs Capital Management LP's 135 reported holdings in Q2 2019. The portfolio turnover from Q1 2019 to Q2 2019 was 12.2% .
| Value | Shares | ↓ Weighting | ||||||
|---|---|---|---|---|---|---|---|---|
| UNH | UNITEDHEALTH GROUP INC | $144,210,000 | -1.3% | 591,000 | 0.0% | 5.22% | -7.4% | |
| GWPH | Sell | GW PHARMACEUTICALS PLCads | $104,296,000 | -11.6% | 605,000 | -13.6% | 3.77% | -17.1% |
| WCG | Buy | WELLCARE HEALTH PLANS INC | $91,365,000 | +5.8% | 320,500 | +0.2% | 3.30% | -0.7% |
| AMRN | AMARIN CORP PLCspons adr new | $87,740,000 | -6.6% | 4,525,000 | 0.0% | 3.17% | -12.4% | |
| NBIX | Buy | NEUROCRINE BIOSCIENCES INC | $86,372,000 | +16.1% | 1,023,000 | +21.1% | 3.12% | +9.0% |
| ISRG | INTUITIVE SURGICAL INC | $79,994,000 | -8.1% | 152,500 | 0.0% | 2.89% | -13.7% | |
| HCA | HCA HEALTHCARE INC | $61,502,000 | +3.7% | 455,000 | 0.0% | 2.22% | -2.7% | |
| PCRX | PACIRA BIOSCIENCES | $54,363,000 | +14.3% | 1,250,000 | 0.0% | 1.97% | +7.3% | |
| ONCE | Sell | SPARK THERAPEUTICS INC | $51,740,000 | -15.5% | 505,371 | -6.0% | 1.87% | -20.7% |
| EHC | Buy | ENCOMPASS HEALTH CORP | $51,005,000 | +9.2% | 805,000 | +0.6% | 1.84% | +2.4% |
| SRPT | Sell | SAREPTA THERAPEUTICS INC | $49,384,000 | +23.9% | 325,000 | -2.8% | 1.79% | +16.3% |
| BMY | New | BRISTOL MYERS SQUIBB CO | $47,618,000 | – | 1,050,000 | +100.0% | 1.72% | – |
| EXAS | EXACT SCIENCES CORP | $46,862,000 | +36.3% | 397,000 | 0.0% | 1.70% | +27.8% | |
| TFX | TELEFLEX INC | $43,050,000 | +9.6% | 130,000 | 0.0% | 1.56% | +2.8% | |
| BSX | BOSTON SCIENTIFIC CORP | $41,691,000 | +12.0% | 970,000 | 0.0% | 1.51% | +5.1% | |
| CHRS | Buy | COHERUS BIOSCIENCES INC | $41,548,000 | +354.6% | 1,880,000 | +180.6% | 1.50% | +327.0% |
| IRTC | IRHYTHM TECHNOLOGIES INC | $39,510,000 | +5.5% | 499,615 | 0.0% | 1.43% | -1.0% | |
| PEN | Buy | PENUMBRA INC | $38,240,000 | +15.6% | 239,000 | +6.2% | 1.38% | +8.5% |
| VRTX | VERTEX PHARMACEUTICALS INC | $37,226,000 | -0.3% | 203,000 | 0.0% | 1.35% | -6.5% | |
| ACHC | Buy | ACADIA HEALTHCARE COMPANY IN | $36,872,000 | +36.0% | 1,055,000 | +14.1% | 1.33% | +27.7% |
| RARE | ULTRAGENYX PHARMACEUTICAL IN | $36,830,000 | -8.4% | 580,000 | 0.0% | 1.33% | -14.1% | |
| SYK | STRYKER CORP | $36,799,000 | +4.1% | 179,000 | 0.0% | 1.33% | -2.3% | |
| EW | EDWARDS LIFESCIENCES CORP | $33,900,000 | -3.4% | 183,500 | 0.0% | 1.23% | -9.5% | |
| IDXX | IDEXX LABS INC | $33,095,000 | +23.1% | 120,200 | 0.0% | 1.20% | +15.5% | |
| ALXN | ALEXION PHARMACEUTICALS INC | $31,763,000 | -3.1% | 242,500 | 0.0% | 1.15% | -9.1% | |
| RDUS | Buy | RADIUS HEALTH INC | $30,450,000 | +30.0% | 1,250,000 | +6.4% | 1.10% | +22.0% |
| MOH | Sell | MOLINA HEALTHCARE INC | $29,487,000 | +0.1% | 206,000 | -0.7% | 1.07% | -6.1% |
| MDCO | Buy | MEDICINES CO | $29,176,000 | +43.1% | 800,000 | +9.7% | 1.06% | +34.4% |
| PODD | New | INSULET CORP | $29,188,000 | – | 244,500 | +100.0% | 1.06% | – |
| BPMC | Buy | BLUEPRINT MEDICINES CORP | $29,006,000 | +31.8% | 307,500 | +11.8% | 1.05% | +23.6% |
| ADPT | New | ADAPTIVE BIOTECHNOLOGIES COR | $28,980,000 | – | 600,000 | +100.0% | 1.05% | – |
| ALGN | ALIGN TECHNOLOGY INC | $28,739,000 | -3.7% | 105,000 | 0.0% | 1.04% | -9.6% | |
| CI | Buy | CIGNA CORP NEW | $28,721,000 | +98.4% | 182,300 | +102.6% | 1.04% | +86.2% |
| PTLA | Buy | PORTOLA PHARMACEUTICALS INC | $27,347,000 | -9.9% | 1,008,000 | +15.2% | 0.99% | -15.5% |
| MDGL | Buy | MADRIGAL PHARMACEUTICALS INC | $26,926,000 | -15.8% | 256,900 | +0.6% | 0.97% | -21.0% |
| BGNE | BEIGENE LTDsponsored adr | $26,624,000 | -6.1% | 214,800 | 0.0% | 0.96% | -11.9% | |
| INCY | INCYTE CORP | $26,533,000 | -1.2% | 312,300 | 0.0% | 0.96% | -7.3% | |
| NVTA | Sell | INVITAE CORP | $26,438,000 | -1.8% | 1,125,000 | -2.2% | 0.96% | -7.9% |
| ARGX | ARGENX SEsponsored adr | $25,725,000 | +13.4% | 181,700 | 0.0% | 0.93% | +6.4% | |
| BAX | BAXTER INTL INC | $24,627,000 | +0.7% | 300,700 | 0.0% | 0.89% | -5.5% | |
| ASND | ASCENDIS PHARMA A Ssponsored adr | $24,585,000 | -2.2% | 213,500 | 0.0% | 0.89% | -8.3% | |
| RARX | RA PHARMACEUTICALS INC | $24,176,000 | +34.2% | 804,000 | 0.0% | 0.88% | +26.1% | |
| PRAH | PRA HEALTH SCIENCES INC | $23,796,000 | -10.1% | 240,000 | 0.0% | 0.86% | -15.7% | |
| TMO | THERMO FISHER SCIENTIFIC INC | $23,788,000 | +7.3% | 81,000 | 0.0% | 0.86% | +0.7% | |
| ALNY | Buy | ALNYLAM PHARMACEUTICALS INC | $23,778,000 | +9.0% | 327,700 | +40.3% | 0.86% | +2.3% |
| EPZM | Buy | EPIZYME INC | $23,219,000 | +6.9% | 1,850,100 | +5.5% | 0.84% | +0.2% |
| BIIB | BIOGEN INCcall | $22,802,000 | -1.1% | 97,500 | 0.0% | 0.82% | -7.2% | |
| INSM | Buy | INSMED INC | $22,784,000 | -7.8% | 890,000 | +4.7% | 0.82% | -13.5% |
| GLPG | GALAPAGOS NVspon adr | $21,273,000 | +9.5% | 165,000 | 0.0% | 0.77% | +2.8% | |
| MRTX | Buy | MIRATI THERAPEUTICS INC | $20,858,000 | +58.1% | 202,500 | +12.5% | 0.76% | +48.3% |
| COLL | COLLEGIUM PHARMACEUTICAL INC | $20,749,000 | -13.1% | 1,577,893 | 0.0% | 0.75% | -18.5% | |
| ZLAB | Buy | ZAI LAB LTDadr | $19,179,000 | +57.2% | 550,000 | +33.0% | 0.69% | +47.7% |
| RTRX | Buy | RETROPHIN INC | $19,086,000 | +1.6% | 950,000 | +14.5% | 0.69% | -4.7% |
| PHAS | Buy | PHASEBIO PHARMACEUTICALS INC | $18,673,000 | +72.2% | 1,423,256 | +24.8% | 0.68% | +61.7% |
| ALDR | Buy | ALDER BIOPHARMACEUTICALS INC | $18,388,000 | -13.6% | 1,562,300 | +0.1% | 0.66% | -19.0% |
| XENT | Buy | INTERSECT ENT INC | $17,980,000 | +20.3% | 790,000 | +69.9% | 0.65% | +12.8% |
| ALLK | ALLAKOS INC | $17,505,000 | +7.0% | 404,000 | 0.0% | 0.63% | +0.3% | |
| WST | Buy | WEST PHARMACEUTICAL SVSC INC | $17,208,000 | +24.9% | 137,500 | +10.0% | 0.62% | +17.3% |
| CELG | CELGENE CORP | $17,115,000 | -2.0% | 185,150 | 0.0% | 0.62% | -8.0% | |
| SAGE | SAGE THERAPEUTICS INC | $16,936,000 | +15.1% | 92,500 | 0.0% | 0.61% | +8.1% | |
| SGEN | SEATTLE GENETICS INC | $16,749,000 | -5.5% | 242,000 | 0.0% | 0.61% | -11.3% | |
| GH | Buy | GUARDANT HEALTH INC | $16,403,000 | +18.8% | 190,000 | +5.6% | 0.59% | +11.5% |
| AXNX | AXONICS MODULATION TECH INC | $16,388,000 | +71.1% | 400,000 | 0.0% | 0.59% | +60.7% | |
| ODT | Sell | ODONATE THERAPEUTICS INC | $15,777,000 | +60.4% | 430,000 | -3.4% | 0.57% | +50.7% |
| BOLD | Sell | AUDENTES THERAPEUTICS INC | $15,523,000 | -23.9% | 410,000 | -21.5% | 0.56% | -28.5% |
| BHVN | Buy | BIOHAVEN PHARMACTL HLDG CO L | $15,042,000 | +12.4% | 343,500 | +32.1% | 0.54% | +5.4% |
| GBT | Buy | GLOBAL BLOOD THERAPEUTICS IN | $13,939,000 | +7.5% | 265,000 | +8.2% | 0.50% | +0.8% |
| FGEN | FIBROGEN INC | $13,825,000 | -16.9% | 306,000 | 0.0% | 0.50% | -22.0% | |
| A | AGILENT TECHNOLOGIES INC | $13,650,000 | -7.1% | 182,800 | 0.0% | 0.49% | -12.7% | |
| TBIO | TRANSLATE BIO INC | $12,746,000 | +23.9% | 1,009,179 | 0.0% | 0.46% | +16.4% | |
| NVRO | Buy | NEVRO CORP | $12,674,000 | +484.3% | 195,500 | +463.4% | 0.46% | +446.4% |
| OBSV | OBSEVA SA | $12,667,000 | -11.6% | 1,120,000 | 0.0% | 0.46% | -17.0% | |
| FOLD | AMICUS THERAPEUTICS INC | $12,480,000 | -8.2% | 1,000,000 | 0.0% | 0.45% | -13.7% | |
| IMMU | Buy | IMMUNOMEDICS INC | $12,414,000 | -19.2% | 895,000 | +11.9% | 0.45% | -24.3% |
| NVCR | NOVOCURE LTD | $12,330,000 | +31.3% | 195,000 | 0.0% | 0.45% | +23.2% | |
| ANAB | Buy | ANAPTYSBIO INC | $12,328,000 | -0.7% | 218,500 | +28.5% | 0.45% | -6.9% |
| BMRN | Buy | BIOMARIN PHARMACEUTICAL INC | $12,205,000 | +1.8% | 142,500 | +5.6% | 0.44% | -4.3% |
| AXGN | AXOGEN INC | $11,959,000 | -6.0% | 603,970 | 0.0% | 0.43% | -11.6% | |
| ZGNX | ZOGENIX INC | $11,228,000 | -13.1% | 235,000 | 0.0% | 0.41% | -18.5% | |
| RIGL | RIGEL PHARMACEUTICALS INC | $10,962,000 | +1.6% | 4,200,000 | 0.0% | 0.40% | -4.6% | |
| ABBV | New | ABBVIE INC | $10,908,000 | – | 150,000 | +100.0% | 0.40% | – |
| FRPT | FRESHPET INC | $10,695,000 | +7.6% | 235,000 | 0.0% | 0.39% | +1.0% | |
| TBPH | THERAVANCE BIOPHARMA INC | $8,982,000 | -28.0% | 550,000 | 0.0% | 0.32% | -32.4% | |
| AGIO | Buy | AGIOS PHARMACEUTICALS INC | $8,505,000 | +7.3% | 170,500 | +45.1% | 0.31% | +0.7% |
| FIXX | Buy | HOMOLOGY MEDICINES INC | $8,317,000 | -18.9% | 425,000 | +14.9% | 0.30% | -24.0% |
| RTIX | RTI SURGICAL HOLDINGS INC | $8,288,000 | -29.3% | 1,950,000 | 0.0% | 0.30% | -33.6% | |
| KRTX | New | KARUNA THERAPEUTICS INC | $8,278,000 | – | 413,500 | +100.0% | 0.30% | – |
| ACHN | Buy | ACHILLION PHARMACEUTICALS IN | $7,906,000 | -1.1% | 2,950,000 | +9.3% | 0.29% | -7.1% |
| ASMB | Buy | ASSEMBLY BIOSCIENCES INC | $7,554,000 | -14.8% | 560,000 | +24.4% | 0.27% | -20.2% |
| DERM | DERMIRA INC | $7,409,000 | -29.4% | 775,000 | 0.0% | 0.27% | -33.8% | |
| PBYI | Buy | PUMA BIOTECHNOLOGY INC | $6,792,000 | -61.8% | 534,400 | +16.7% | 0.25% | -64.1% |
| CBAY | Buy | CYMABAY THERAPEUTICS INC | $6,444,000 | -32.1% | 900,000 | +25.9% | 0.23% | -36.3% |
| SPRO | SPERO THERAPEUTICS INC | $6,043,000 | -10.1% | 525,000 | 0.0% | 0.22% | -15.4% | |
| BLUE | Buy | BLUEBIRD BIO INC | $5,978,000 | -15.6% | 47,000 | +4.4% | 0.22% | -20.9% |
| INSMED INCnote 1.750% 1/1 | $5,849,000 | -3.8% | 6,000,000 | 0.0% | 0.21% | -9.4% | ||
| MRSN | MERSANA THERAPEUTICS INC | $5,670,000 | -23.0% | 1,400,000 | 0.0% | 0.20% | -27.8% | |
| ANTM | ANTHEM INC | $5,644,000 | -1.7% | 20,000 | 0.0% | 0.20% | -7.7% | |
| AGLE | AEGLEA BIOTHERAPEUTICS INC | $5,480,000 | -14.9% | 800,000 | 0.0% | 0.20% | -20.2% | |
| ARDX | ARDELYX INC | $5,380,000 | -3.9% | 2,000,000 | 0.0% | 0.20% | -9.7% | |
| CO | GLOBAL CORD BLOOD CORPORATIO | $5,347,000 | -17.7% | 925,000 | 0.0% | 0.19% | -22.8% | |
| RYTM | Buy | RHYTHM PHARMACEUTICALS INC | $5,170,000 | -12.9% | 235,000 | +8.5% | 0.19% | -18.3% |
| NGM | New | NGM BIOPHARMACEUTICALS INC | $5,140,000 | – | 351,100 | +100.0% | 0.19% | – |
| GMDA | New | GAMIDA CELL LTD | $5,080,000 | – | 1,000,000 | +100.0% | 0.18% | – |
| MGNX | MACROGENICS INC | $5,091,000 | -5.6% | 300,000 | 0.0% | 0.18% | -11.5% | |
| MEDICINES COnote 2.750% 7/1 | $5,026,000 | +18.8% | 5,000,000 | 0.0% | 0.18% | +11.7% | ||
| MNTA | MOMENTA PHARMACEUTICALS INC | $4,980,000 | -14.3% | 400,000 | 0.0% | 0.18% | -19.6% | |
| CHMA | CHIASMA INC | $4,856,000 | +43.7% | 650,000 | 0.0% | 0.18% | +35.4% | |
| ALDER BIOPHARMACEUTICALS INCnote 2.500% 2/0 | $4,672,000 | -2.6% | 5,000,000 | 0.0% | 0.17% | -8.6% | ||
| ACRS | Buy | ACLARIS THERAPEUTICS INC | $4,441,000 | -56.4% | 2,028,000 | +19.3% | 0.16% | -59.0% |
| AKRO | New | AKERO THERAPEUTICS INC | $4,309,000 | – | 225,000 | +100.0% | 0.16% | – |
| CGEN | COMPUGEN LTDord | $4,224,000 | -7.2% | 1,100,000 | 0.0% | 0.15% | -13.1% | |
| TORC | RESTORBIO INC | $4,080,000 | +49.6% | 400,000 | 0.0% | 0.15% | +41.0% | |
| MYOV | Buy | MYOVANT SCIENCES LTD | $4,073,000 | -50.9% | 450,000 | +29.5% | 0.15% | -54.1% |
| ICPT | New | INTERCEPT PHARMACEUTICALS IN | $3,979,000 | – | 50,000 | +100.0% | 0.14% | – |
| LJPC | Buy | LA JOLLA PHARMACEUTICAL CO | $3,931,000 | +120.5% | 425,000 | +53.3% | 0.14% | +105.8% |
| NABRIVA THERAPEUTICS PLC | $3,888,000 | -0.4% | 1,600,000 | 0.0% | 0.14% | -6.6% | ||
| CLVS | CLOVIS ONCOLOGY INC | $3,807,000 | -40.1% | 256,000 | 0.0% | 0.14% | -43.7% | |
| MEDICINES COnote 2.500% 1/1 | $3,618,000 | +20.1% | 3,000,000 | 0.0% | 0.13% | +12.9% | ||
| ADAP | Buy | ADAPTIMMUNE THERAPEUTICS PLCsponds adr | $3,518,000 | +2.3% | 875,000 | +9.4% | 0.13% | -4.5% |
| ARVN | ARVINAS INC | $3,299,000 | +49.0% | 150,000 | 0.0% | 0.12% | +40.0% | |
| FPRX | Buy | FIVE PRIME THERAPEUTICS INC | $3,172,000 | -53.1% | 526,100 | +4.2% | 0.12% | -55.9% |
| DVAX | Buy | DYNAVAX TECHNOLOGIES CORP | $2,594,000 | -6.6% | 650,000 | +71.1% | 0.09% | -12.1% |
| CORV | CORREVIO PHARMA CORP | $2,592,000 | -31.6% | 1,200,000 | 0.0% | 0.09% | -35.6% | |
| PRTK | PARATEK PHARMACEUTICALS INC | $1,796,000 | -25.5% | 450,000 | 0.0% | 0.06% | -30.1% | |
| CRVS | CORVUS PHARMACEUTICALS INC | $1,496,000 | -7.0% | 400,000 | 0.0% | 0.05% | -12.9% | |
| RADIUS HEALTH INCnote 3.000% 9/0 | $1,361,000 | +9.0% | 1,500,000 | 0.0% | 0.05% | +2.1% | ||
| NEUROCRINE BIOSCIENCES INCnote 2.250% 5/1 | $1,317,000 | -2.7% | 1,000,000 | 0.0% | 0.05% | -7.7% | ||
| THERAVANCE BIOPHARMA INCnote 3.250%11/0 | $1,290,000 | -11.5% | 1,500,000 | 0.0% | 0.05% | -16.1% | ||
| KLDO | KALEIDO BIOSCIENCES INC | $1,161,000 | -20.0% | 100,050 | 0.0% | 0.04% | -25.0% | |
| PACIRA BIOSCIENCESnote 2.375% 4/0 | $1,026,000 | +4.0% | 1,000,000 | 0.0% | 0.04% | -2.6% | ||
| NVAX | New | NOVAVAX INC | $952,000 | – | 162,500 | +100.0% | 0.03% | – |
| DERMIRA INCnote 3.000% 5/1 | $865,000 | -2.6% | 1,000,000 | 0.0% | 0.03% | -8.8% | ||
| CVET | Sell | COVETRUS INC | $788,000 | -96.2% | 32,231 | -95.0% | 0.03% | -96.4% |
| HRTX | Sell | HERON THERAPEUTICS INC | $558,000 | -93.5% | 30,000 | -91.4% | 0.02% | -93.9% |
| PTI | PROTEOSTASIS THERAPEUTICS IN | $390,000 | -22.6% | 400,000 | 0.0% | 0.01% | -26.3% | |
| SLDB | Exit | SOLID BIOSCIENCES INC | $0 | – | -60,000 | -100.0% | -0.02% | – |
| NVAX | Exit | NOVAVAX INC | $0 | – | -3,250,000 | -100.0% | -0.07% | – |
| BCRX | Exit | BIOCRYST PHARMACEUTICALS | $0 | – | -700,000 | -100.0% | -0.22% | – |
| CMTA | Exit | CLEMENTIA PHARMACEUTICALS IN | $0 | – | -275,000 | -100.0% | -0.28% | – |
| IFRX | Exit | INFLARX NV | $0 | – | -225,000 | -100.0% | -0.33% | – |
| WMGI | Exit | WRIGHT MED GROUP N V | $0 | – | -920,608 | -100.0% | -1.12% | – |
Original filings
The following EDGAR filing(s) were analyzed to create this report:
- View 13F-HR filed 2019-08-14
Top long-term holdings
| Name | Quarters owned | Latest quarter owned | Max weighting |
|---|---|---|---|
| INTUITIVE SURGICAL INC | 40 | Q3 2023 | 3.4% |
| NEUROCRINE BIOSCIENCES INC | 39 | Q3 2023 | 4.8% |
| PACIRA PHARMACEUTICALS INC | 39 | Q3 2023 | 2.6% |
| ULTRAGENYX PHARMACEUTICAL IN | 39 | Q3 2023 | 1.9% |
| ACADIA HEALTHCARE COMPANY IN | 38 | Q3 2023 | 4.4% |
| ASCENDIS PHARMA A/S | 35 | Q3 2023 | 1.3% |
| INVITAE CORP | 35 | Q3 2023 | 1.8% |
| BIOMARIN PHARMACEUTICAL INC | 35 | Q3 2023 | 1.3% |
| MACROGENICS INC | 35 | Q3 2023 | 0.5% |
| COLLEGIUM PHARMACEUTICAL INC | 34 | Q3 2023 | 2.1% |
View Rock Springs Capital Management LP's complete holdings history.
Latest significant ownerships (13-D/G)
| Filed | Shares | Percentage | |
|---|---|---|---|
| Aeglea BioTherapeutics, Inc. | February 14, 2023 | 3,413,906 | 5.6% |
| Compass Therapeutics, Inc. | February 14, 2023 | 5,333,188 | 4.2% |
| Mirum Pharmaceuticals, Inc. | February 14, 2023 | 1,795,733 | 4.9% |
| PhaseBio Pharmaceuticals IncSold out | February 14, 2023 | 0 | 0.0% |
| Sierra Oncology, Inc.Sold out | February 14, 2023 | 0 | 0.0% |
| ARDELYX, INC.Sold out | February 15, 2022 | 0 | 0.0% |
| CHIASMA, INCSold out | February 15, 2022 | 0 | 0.0% |
| FIVE PRIME THERAPEUTICS, INC.Sold out | February 15, 2022 | 0 | 0.0% |
| F-star Therapeutics, Inc. | February 15, 2022 | 751,889 | 3.6% |
| Protara Therapeutics, Inc.Sold out | February 15, 2022 | 0 | 0.0% |
View Rock Springs Capital Management LP's complete significant-ownership history.
Latest filings
| Type | Filed |
|---|---|
| SC 13G/A | 2024-04-05 |
| 13F-HR | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
View Rock Springs Capital Management LP's complete filings history.
All filings
- Holdings (13F-HR)
- Significant ownership (13-D/G)
- Insider transactions (4, 5, 6)
- Events (8-K)
- Shareholder votes (proxy)
View complete filings history.