$1.73 Billion is the total value of Rock Springs Capital Management LP's 140 reported holdings in Q1 2017. The portfolio turnover from Q4 2016 to Q1 2017 was 8.3% .
| Value | Shares | ↓ Weighting | ||||||
|---|---|---|---|---|---|---|---|---|
| TSRO | Sell | TESARO INC | $73,073,000 | -11.4% | 474,900 | -22.6% | 4.22% | -23.6% |
| ACHC | Buy | ACADIA HEALTHCARE COMPANY IN | $55,590,000 | +45.1% | 1,275,000 | +10.2% | 3.21% | +25.1% |
| ALXN | Sell | ALEXION PHARMACEUTICALS INC | $55,395,000 | -2.6% | 456,900 | -1.7% | 3.20% | -16.0% |
| MRK | MERCK & CO INC | $47,655,000 | +7.9% | 750,000 | 0.0% | 2.75% | -6.9% | |
| PCRX | Buy | PACIRA PHARMACEUTICALS INC | $45,600,000 | +98.0% | 1,000,000 | +40.3% | 2.63% | +70.7% |
| GWPH | Buy | GW PHARMACEUTICALS PLCads | $43,115,000 | +8.4% | 356,500 | +0.1% | 2.49% | -6.5% |
| AGN | ALLERGAN PLC | $39,661,000 | +13.8% | 166,000 | 0.0% | 2.29% | -1.9% | |
| CI | Buy | CIGNA CORPORATION | $39,552,000 | +17.7% | 270,000 | +7.1% | 2.28% | +1.5% |
| ISRG | INTUITIVE SURGICAL INC | $36,791,000 | +20.9% | 48,000 | 0.0% | 2.12% | +4.2% | |
| RDUS | RADIUS HEALTH INC | $35,181,000 | +1.6% | 910,250 | 0.0% | 2.03% | -12.3% | |
| MDCO | Buy | MEDICINES CO | $34,230,000 | +44.2% | 700,000 | +0.1% | 1.98% | +24.3% |
| AAAP | Sell | ADVANCED ACCELERATOR APPLICsponsored ads | $33,881,000 | +36.1% | 850,000 | -8.6% | 1.96% | +17.4% |
| ONCE | SPARK THERAPEUTICS INC | $33,338,000 | +6.9% | 625,000 | 0.0% | 1.92% | -7.8% | |
| WCG | WELLCARE HEALTH PLANS INC | $32,879,000 | +2.3% | 234,500 | 0.0% | 1.90% | -11.8% | |
| CELG | CELGENE CORP | $30,174,000 | +7.5% | 242,500 | 0.0% | 1.74% | -7.3% | |
| PRAH | Buy | PRA HEALTH SCIENCES INC | $29,843,000 | +80.5% | 457,500 | +52.5% | 1.72% | +55.6% |
| AET | Sell | AETNA INC NEW | $28,061,000 | -48.7% | 220,000 | -50.1% | 1.62% | -55.8% |
| LLY | LILLY ELI & CO | $27,336,000 | +14.4% | 325,000 | 0.0% | 1.58% | -1.4% | |
| HUM | New | HUMANA INC | $27,314,000 | – | 132,500 | +100.0% | 1.58% | – |
| UNH | UNITEDHEALTH GROUP INC | $27,062,000 | +2.5% | 165,000 | 0.0% | 1.56% | -11.6% | |
| PEN | Buy | PENUMBRA INC | $25,911,000 | +37.4% | 310,500 | +5.1% | 1.50% | +18.5% |
| ARDX | ARDELYX INC | $25,300,000 | -10.9% | 2,000,000 | 0.0% | 1.46% | -23.2% | |
| BMY | Buy | BRISTOL MYERS SQUIBB CO | $24,612,000 | -6.4% | 452,600 | +0.6% | 1.42% | -19.3% |
| SHPG | Buy | SHIRE PLCsponsored adr | $24,201,000 | +3.5% | 138,900 | +1.2% | 1.40% | -10.7% |
| INCY | INCYTE CORP | $22,590,000 | +33.3% | 169,000 | 0.0% | 1.30% | +14.9% | |
| TBPH | THERAVANCE BIOPHARMA INC | $22,092,000 | +15.5% | 600,000 | 0.0% | 1.28% | -0.4% | |
| JNJ | New | JOHNSON & JOHNSON | $21,796,000 | – | 175,000 | +100.0% | 1.26% | – |
| WMGI | Buy | WRIGHT MED GROUP N V | $20,850,000 | +36.0% | 670,000 | +0.4% | 1.20% | +17.3% |
| ACRS | Sell | ACLARIS THERAPEUTICS INC | $20,129,000 | -32.6% | 675,000 | -38.6% | 1.16% | -41.9% |
| GILD | Buy | GILEAD SCIENCES INC | $19,459,000 | -1.7% | 286,500 | +3.6% | 1.12% | -15.2% |
| GLPG | GALAPAGOS NVspon adr | $18,100,000 | +34.3% | 210,000 | 0.0% | 1.04% | +15.7% | |
| JAZZ | JAZZ PHARMACEUTICALS PLC | $17,953,000 | +33.1% | 123,700 | 0.0% | 1.04% | +14.7% | |
| NBIX | NEUROCRINE BIOSCIENCES INC | $17,753,000 | +11.9% | 410,000 | 0.0% | 1.02% | -3.6% | |
| PRTA | PROTHENA CORP PLC | $17,267,000 | +13.4% | 309,500 | 0.0% | 1.00% | -2.3% | |
| COLL | Buy | COLLEGIUM PHARMACEUTICAL INC | $17,102,000 | -31.4% | 1,700,000 | +6.2% | 0.99% | -40.8% |
| RARX | Sell | RA PHARMACEUTICALS INC | $16,797,000 | +33.9% | 788,959 | -4.5% | 0.97% | +15.4% |
| AMGN | Buy | AMGEN INC | $16,079,000 | +14.0% | 98,000 | +1.6% | 0.93% | -1.7% |
| AMRN | Buy | AMARIN CORP PLCspons adr new | $16,004,000 | +4.1% | 5,001,200 | +0.2% | 0.92% | -10.3% |
| HOLX | Buy | HOLOGIC INC | $14,467,000 | +36.1% | 340,000 | +28.3% | 0.84% | +17.4% |
| WLTW | WILLIS TOWERS WATSON PUB LTD | $14,398,000 | +7.0% | 110,000 | 0.0% | 0.83% | -7.7% | |
| CHRS | Buy | COHERUS BIOSCIENCES INC | $14,276,000 | +4.7% | 675,000 | +39.3% | 0.82% | -9.7% |
| DHR | DANAHER CORP DEL | $13,685,000 | +9.9% | 160,000 | 0.0% | 0.79% | -5.2% | |
| EW | Buy | EDWARDS LIFESCIENCES CORP | $13,405,000 | +18.7% | 142,500 | +18.3% | 0.77% | +2.2% |
| WBA | WALGREENS BOOTS ALLIANCE INC | $13,371,000 | +0.4% | 161,000 | 0.0% | 0.77% | -13.5% | |
| NVTA | INVITAE CORP | $13,272,000 | +39.3% | 1,200,000 | 0.0% | 0.77% | +20.1% | |
| DERM | Buy | DERMIRA INC | $13,221,000 | +20.2% | 387,600 | +6.9% | 0.76% | +3.7% |
| BIIB | Buy | BIOGEN INC | $13,124,000 | -1.5% | 48,000 | +2.1% | 0.76% | -15.1% |
| CLVS | Buy | CLOVIS ONCOLOGY INC | $11,747,000 | +140.4% | 184,500 | +67.7% | 0.68% | +107.3% |
| TXMD | Sell | THERAPEUTICSMD INC | $11,520,000 | +16.1% | 1,600,000 | -7.0% | 0.66% | +0.2% |
| HLS | HEALTHSOUTH CORP | $11,345,000 | +3.8% | 265,000 | 0.0% | 0.66% | -10.4% | |
| BMRN | BIOMARIN PHARMACEUTICAL INC | $10,973,000 | +6.0% | 125,000 | 0.0% | 0.63% | -8.7% | |
| AFAM | New | ALMOST FAMILY INC | $10,935,000 | – | 225,000 | +100.0% | 0.63% | – |
| RARE | ULTRAGENYX PHARMACEUTICAL IN | $10,828,000 | -3.6% | 159,750 | 0.0% | 0.62% | -16.9% | |
| AVXS | AVEXIS INC | $10,644,000 | +59.3% | 140,000 | 0.0% | 0.61% | +37.4% | |
| PTHN | PATHEON N V | $10,536,000 | -8.3% | 400,000 | 0.0% | 0.61% | -20.8% | |
| PRTK | PARATEK PHARMACEUTICALS INC | $10,116,000 | +25.0% | 525,500 | 0.0% | 0.58% | +7.7% | |
| ASMB | ASSEMBLY BIOSCIENCES INC | $9,941,000 | +109.8% | 390,000 | 0.0% | 0.57% | +81.1% | |
| VRTX | Buy | VERTEX PHARMACEUTICALS INC | $9,896,000 | +49.7% | 90,500 | +0.8% | 0.57% | +29.2% |
| EPZM | EPIZYME INC | $9,776,000 | +41.7% | 570,000 | 0.0% | 0.56% | +22.1% | |
| BGNE | BEIGENE LTDsponsored adr | $9,702,000 | +20.6% | 265,000 | 0.0% | 0.56% | +4.1% | |
| MRUS | Sell | MERUS N V | $9,379,000 | +11.1% | 384,548 | -3.9% | 0.54% | -4.2% |
| ASND | ASCENDIS PHARMA A Ssponsored adr | $9,100,000 | +38.3% | 325,000 | 0.0% | 0.52% | +19.3% | |
| EVHC | ENVISION HEALTHCARE CORP | $8,891,000 | -3.1% | 145,000 | 0.0% | 0.51% | -16.4% | |
| CRVS | Sell | CORVUS PHARMACEUTICALS INC | $8,777,000 | +36.4% | 422,600 | -6.1% | 0.51% | +17.4% |
| OBSV | New | OBSEVA SA | $8,730,000 | – | 838,634 | +100.0% | 0.50% | – |
| BOLD | Buy | AUDENTES THERAPEUTICS INC | $8,520,000 | -3.8% | 500,000 | +3.1% | 0.49% | -17.0% |
| INSM | INSMED INC | $8,195,000 | +32.3% | 468,000 | 0.0% | 0.47% | +14.3% | |
| EXAS | Sell | EXACT SCIENCES CORP | $7,972,000 | +32.3% | 337,500 | -25.1% | 0.46% | +14.1% |
| LOXO | New | LOXO ONCOLOGY INC | $7,616,000 | – | 181,000 | +100.0% | 0.44% | – |
| RTIX | RTI SURGICAL INC | $7,440,000 | +23.1% | 1,860,000 | 0.0% | 0.43% | +5.9% | |
| CLSD | CLEARSIDE BIOMEDICAL INC | $7,424,000 | -11.2% | 935,000 | 0.0% | 0.43% | -23.4% | |
| RTRX | Sell | RETROPHIN INC | $7,384,000 | -25.3% | 400,000 | -23.4% | 0.43% | -35.6% |
| ALKS | ALKERMES PLC | $7,313,000 | +5.3% | 125,000 | 0.0% | 0.42% | -9.2% | |
| ATHN | ATHENAHEALTH INC | $7,071,000 | +7.2% | 62,750 | 0.0% | 0.41% | -7.7% | |
| EGALET CORPnote 5.500% 4/0 | $6,455,000 | -4.9% | 7,800,000 | 0.0% | 0.37% | -18.1% | ||
| TTPH | TETRAPHASE PHARMACEUTICALS I | $6,415,000 | +128.0% | 698,000 | 0.0% | 0.37% | +96.8% | |
| AIMT | AIMMUNE THERAPEUTICS INC | $6,367,000 | +6.3% | 293,000 | 0.0% | 0.37% | -8.5% | |
| ACHN | Buy | ACHILLION PHARMACEUTICALS IN | $6,315,000 | +11.2% | 1,500,000 | +9.1% | 0.36% | -4.2% |
| NBRV | NABRIVA THERAPEUTICS AGsponsored adr | $6,300,000 | +101.7% | 525,000 | 0.0% | 0.36% | +74.2% | |
| FPRX | Buy | FIVE PRIME THERAPEUTICS INC | $5,965,000 | -27.4% | 165,000 | +0.6% | 0.34% | -37.5% |
| XENT | INTERSECT ENT INC | $5,917,000 | +41.7% | 345,000 | 0.0% | 0.34% | +22.2% | |
| FGEN | FIBROGEN INC | $5,916,000 | +15.2% | 240,000 | 0.0% | 0.34% | -0.9% | |
| REGN | Sell | REGENERON PHARMACEUTICALS | $5,851,000 | -18.3% | 15,100 | -22.6% | 0.34% | -29.4% |
| CO | CHINA CORD BLOOD CORP | $5,861,000 | +8.8% | 880,000 | 0.0% | 0.34% | -6.1% | |
| SRPT | Buy | SAREPTA THERAPEUTICS INC | $5,742,000 | +9.1% | 194,000 | +1.1% | 0.33% | -6.0% |
| GBT | Buy | GLOBAL BLOOD THERAPEUTICS IN | $5,528,000 | +296.6% | 150,000 | +55.4% | 0.32% | +243.0% |
| FOLD | AMICUS THERAPEUTICS INC | $5,401,000 | +43.5% | 757,500 | 0.0% | 0.31% | +23.8% | |
| LGND | Sell | LIGAND PHARMACEUTICALS INC | $5,292,000 | -25.6% | 50,000 | -28.6% | 0.30% | -35.9% |
| KITE | Sell | KITE PHARMA INC | $5,259,000 | +48.5% | 67,000 | -15.2% | 0.30% | +27.8% |
| ADAP | Buy | ADAPTIMMUNE THERAPEUTICS PLCsponds adr | $4,821,000 | +76.3% | 875,000 | +29.6% | 0.28% | +51.9% |
| MEDICINES COnote 2.500% 1/1 | $4,744,000 | +31.4% | 3,000,000 | 0.0% | 0.27% | +13.2% | ||
| STE | STERIS PLC | $4,515,000 | +3.1% | 65,000 | 0.0% | 0.26% | -10.9% | |
| ADRO | ADURO BIOTECH INC | $4,461,000 | -5.7% | 415,000 | 0.0% | 0.26% | -18.9% | |
| JUNO | JUNO THERAPEUTICS INC | $4,371,000 | +17.7% | 197,001 | 0.0% | 0.25% | +1.6% | |
| NVDQ | NOVADAQ TECHNOLOGIES INC | $4,323,000 | +9.9% | 555,000 | 0.0% | 0.25% | -5.3% | |
| AGNPRA | ALLERGAN PLCpfd conv ser a | $4,242,000 | +11.0% | 5,000 | 0.0% | 0.24% | -4.3% | |
| MGNX | MACROGENICS INC | $4,185,000 | -9.0% | 225,000 | 0.0% | 0.24% | -21.8% | |
| AGLE | AEGLEA BIOTHERAPEUTICS INC | $3,904,000 | +71.2% | 524,089 | 0.0% | 0.22% | +47.1% | |
| EXEL | EXELIXIS INC | $3,792,000 | +45.3% | 175,000 | 0.0% | 0.22% | +25.1% | |
| ALDR | ALDER BIOPHARMACEUTICALS INC | $3,786,000 | 0.0% | 182,000 | 0.0% | 0.22% | -13.8% | |
| CRME | CARDIOME PHARMA CORP | $3,612,000 | +9.1% | 1,200,000 | 0.0% | 0.21% | -6.3% | |
| CGEN | COMPUGEN LTDord | $3,548,000 | -15.7% | 825,000 | 0.0% | 0.20% | -27.3% | |
| PBYI | PUMA BIOTECHNOLOGY INC | $3,515,000 | +21.2% | 94,500 | 0.0% | 0.20% | +4.6% | |
| PTI | PROTEOSTASIS THERAPEUTICS IN | $3,519,000 | -36.2% | 450,000 | 0.0% | 0.20% | -45.0% | |
| MDGL | Buy | MADRIGAL PHARMACEUTICALS INC | $3,465,000 | +33.0% | 225,000 | +28.7% | 0.20% | +14.9% |
| RIGL | RIGEL PHARMACEUTICALS INC | $3,310,000 | +39.1% | 1,000,000 | 0.0% | 0.19% | +20.1% | |
| INVA | Sell | INNOVIVA INC | $3,250,000 | -9.8% | 235,000 | -30.2% | 0.19% | -22.0% |
| GKOS | New | GLAUKOS CORP | $3,206,000 | – | 62,500 | +100.0% | 0.18% | – |
| HRC | Sell | HILL ROM HLDGS INC | $3,177,000 | +19.1% | 45,000 | -5.3% | 0.18% | +2.8% |
| ITCI | INTRA CELLULAR THERAPIES INC | $3,088,000 | +7.7% | 190,000 | 0.0% | 0.18% | -7.3% | |
| GNCA | GENOCEA BIOSCIENCES INC | $2,923,000 | +47.8% | 480,000 | 0.0% | 0.17% | +28.0% | |
| BLUE | Buy | BLUEBIRD BIO INC | $2,772,000 | +57.7% | 30,500 | +7.0% | 0.16% | +35.6% |
| CARA | New | CARA THERAPEUTICS INC | $2,759,000 | – | 150,000 | +100.0% | 0.16% | – |
| ZBH | ZIMMER BIOMET HLDGS INC | $2,577,000 | +18.3% | 21,100 | 0.0% | 0.15% | +2.1% | |
| DBVT | DBV TECHNOLOGIES S Asponsored adr | $2,571,000 | +0.3% | 73,000 | 0.0% | 0.15% | -14.0% | |
| OTIC | OTONOMY INC | $2,573,000 | -22.9% | 210,000 | 0.0% | 0.15% | -33.6% | |
| MCRB | SERES THERAPEUTICS INC | $2,479,000 | +13.8% | 220,000 | 0.0% | 0.14% | -2.1% | |
| CDTX | CIDARA THERAPEUTICS INC | $2,340,000 | -25.0% | 300,000 | 0.0% | 0.14% | -35.4% | |
| New | NEURODERM LTD | $2,232,000 | – | 84,079 | +100.0% | 0.13% | – | |
| HQY | HEALTHEQUITY INC | $2,123,000 | +4.8% | 50,000 | 0.0% | 0.12% | -10.3% | |
| SCYX | SCYNEXIS INC | $2,098,000 | -13.4% | 760,000 | 0.0% | 0.12% | -25.3% | |
| THERAVANCE BIOPHARMA INCnote 3.250%11/0 | $1,899,000 | +10.9% | 1,500,000 | 0.0% | 0.11% | -4.3% | ||
| MYOV | Buy | MYOVANT SCIENCES LTD | $1,761,000 | +57.9% | 150,000 | +67.4% | 0.10% | +36.0% |
| NVLS | Buy | NIVALIS THERAPEUTICS INC | $1,752,000 | +60.0% | 600,000 | +22.7% | 0.10% | +38.4% |
| NVCR | NOVOCURE LTD | $1,736,000 | +3.2% | 214,316 | 0.0% | 0.10% | -11.5% | |
| LIFE | ATYR PHARMA INC | $1,663,000 | +62.9% | 475,000 | 0.0% | 0.10% | +41.2% | |
| NLNK | New | NEWLINK GENETICS CORP | $1,616,000 | – | 67,071 | +100.0% | 0.09% | – |
| EGLTQ | EGALET CORP | $1,530,000 | -33.3% | 300,000 | 0.0% | 0.09% | -42.9% | |
| WRIGHT MED GROUP INCnote 2.000% 2/1 | $1,198,000 | +14.4% | 1,000,000 | 0.0% | 0.07% | -1.4% | ||
| NVAX | NOVAVAX INC | $1,050,000 | +1.6% | 820,000 | 0.0% | 0.06% | -11.6% | |
| PRGO | Buy | PERRIGO CO PLC | $1,036,000 | +33.9% | 15,600 | +67.7% | 0.06% | +15.4% |
| DVAX | DYNAVAX TECHNOLOGIES CORP | $982,000 | +50.6% | 165,000 | 0.0% | 0.06% | +29.5% | |
| INFI | INFINITY PHARMACEUTICALS INC | $872,000 | +138.9% | 270,000 | 0.0% | 0.05% | +108.3% | |
| CHMA | CHIASMA INC | $837,000 | -12.8% | 492,500 | 0.0% | 0.05% | -25.0% | |
| VRX | Sell | VALEANT PHARMACEUTICALS INTL | $732,000 | -29.4% | 66,400 | -7.0% | 0.04% | -39.1% |
| TNDM | TANDEM DIABETES CARE INC | $714,000 | -44.2% | 595,000 | 0.0% | 0.04% | -52.3% | |
| OREXQ | OREXIGEN THERAPEUTICS INC | $569,000 | +97.6% | 165,300 | 0.0% | 0.03% | +73.7% | |
| ANTH | Buy | ANTHERA PHARMACEUTICALS INC | $552,000 | +123.5% | 1,296,568 | +241.2% | 0.03% | +88.2% |
| CERU | CERULEAN PHARMA INC | $508,000 | +14.7% | 625,000 | 0.0% | 0.03% | -3.3% | |
| DMTX | DIMENSION THERAPEUTICS INC | $475,000 | -59.7% | 271,370 | 0.0% | 0.03% | -65.8% | |
| ARIA | Exit | ARIAD PHARMACEUTICALS INC | $0 | – | -250,000 | -100.0% | -0.21% | – |
| MEDP | Exit | MEDPACE HLDGS INC | $0 | – | -135,000 | -100.0% | -0.33% | – |
Original filings
The following EDGAR filing(s) were analyzed to create this report:
- View 13F-HR filed 2017-05-15
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.