$2.34 Billion is the total value of Rock Springs Capital Management LP's 149 reported holdings in Q1 2018. The portfolio turnover from Q4 2017 to Q1 2018 was 31.7% .
| Value | Shares | ↓ Weighting | ||||||
|---|---|---|---|---|---|---|---|---|
| UNH | Buy | UNITEDHEALTH GROUP INC | $104,325,000 | -2.8% | 487,500 | +0.1% | 4.45% | -8.6% |
| ISRG | INTUITIVE SURGICAL INC | $59,406,000 | +13.1% | 143,900 | 0.0% | 2.53% | +6.3% | |
| ABBV | New | ABBVIE INC | $56,790,000 | – | 600,000 | +100.0% | 2.42% | – |
| ALXN | Buy | ALEXION PHARMACEUTICALS INC | $54,058,000 | -5.8% | 485,000 | +1.0% | 2.31% | -11.5% |
| NBIX | Buy | NEUROCRINE BIOSCIENCES INC | $50,272,000 | +33.3% | 606,200 | +24.7% | 2.14% | +25.4% |
| ACHC | ACADIA HEALTHCARE COMPANY IN | $49,112,000 | +20.1% | 1,253,500 | 0.0% | 2.10% | +12.9% | |
| COLL | Buy | COLLEGIUM PHARMACEUTICAL INC | $49,056,000 | +40.9% | 1,920,000 | +1.8% | 2.09% | +32.6% |
| MOH | Buy | MOLINA HEALTHCARE INC | $46,760,000 | +7.5% | 576,000 | +1.6% | 2.00% | +1.1% |
| ONCE | Buy | SPARK THERAPEUTICS INC | $41,519,000 | +31.3% | 623,500 | +1.4% | 1.77% | +23.4% |
| BMY | Buy | BRISTOL MYERS SQUIBB CO | $41,113,000 | +1241.8% | 650,000 | +1200.0% | 1.75% | +1161.9% |
| GWPH | Buy | GW PHARMACEUTICALS PLCads | $40,561,000 | -13.2% | 360,000 | +1.7% | 1.73% | -18.4% |
| AET | AETNA INC NEW | $40,391,000 | -6.3% | 239,000 | 0.0% | 1.72% | -11.9% | |
| MDGL | Sell | MADRIGAL PHARMACEUTICALS INC | $38,015,000 | +21.1% | 325,500 | -4.8% | 1.62% | +13.9% |
| BGNE | Sell | BEIGENE LTDsponsored adr | $37,170,000 | +43.0% | 221,250 | -16.8% | 1.59% | +34.5% |
| HCA | New | HCA HEALTHCARE INC | $36,860,000 | – | 380,000 | +100.0% | 1.57% | – |
| LOXO | Buy | LOXO ONCOLOGY INC | $36,515,000 | +39.9% | 316,500 | +2.1% | 1.56% | +31.6% |
| RDUS | Buy | RADIUS HEALTH INC | $35,940,000 | +20.0% | 1,000,000 | +6.0% | 1.53% | +12.8% |
| PCRX | Buy | PACIRA PHARMACEUTICALS INC | $35,044,000 | -30.6% | 1,125,000 | +1.7% | 1.50% | -34.8% |
| PRAH | Sell | PRA HEALTH SCIENCES INC | $32,769,000 | -24.6% | 395,000 | -17.3% | 1.40% | -29.1% |
| TSRO | Buy | TESARO INC | $32,741,000 | -28.0% | 573,000 | +4.5% | 1.40% | -32.3% |
| IRTC | Buy | IRHYTHM TECHNOLOGIES INC | $30,059,000 | +32.1% | 477,500 | +17.6% | 1.28% | +24.1% |
| VRTX | Buy | VERTEX PHARMACEUTICALS INC | $29,499,000 | +14.9% | 181,000 | +5.7% | 1.26% | +8.1% |
| SYK | Buy | STRYKER CORP | $28,644,000 | +46.2% | 178,000 | +40.7% | 1.22% | +37.5% |
| PBYI | Buy | PUMA BIOTECHNOLOGY INC | $28,098,000 | -23.9% | 412,900 | +10.5% | 1.20% | -28.4% |
| PEN | Sell | PENUMBRA INC | $28,103,000 | -3.8% | 243,000 | -21.7% | 1.20% | -9.6% |
| CELG | Buy | CELGENE CORP | $27,664,000 | -12.5% | 310,100 | +2.3% | 1.18% | -17.8% |
| DVA | Buy | DAVITA INC | $26,871,000 | +364.3% | 407,500 | +408.7% | 1.15% | +335.7% |
| EW | EDWARDS LIFESCIENCES CORP | $26,509,000 | +23.8% | 190,001 | 0.0% | 1.13% | +16.4% | |
| WCG | WELLCARE HEALTH PLANS INC | $25,946,000 | -3.7% | 134,000 | 0.0% | 1.11% | -9.5% | |
| ABC | New | AMERISOURCEBERGEN CORP | $25,432,000 | – | 295,000 | +100.0% | 1.08% | – |
| TMO | Buy | THERMO FISHER SCIENTIFIC INC | $23,640,000 | +13.2% | 114,500 | +4.1% | 1.01% | +6.3% |
| GILD | GILEAD SCIENCES INC | $23,627,000 | +5.2% | 313,400 | 0.0% | 1.01% | -1.1% | |
| TFX | Buy | TELEFLEX INC | $23,586,000 | +3.3% | 92,500 | +0.8% | 1.01% | -2.9% |
| AVXS | Buy | AVEXIS INC | $23,480,000 | +21.2% | 190,000 | +8.6% | 1.00% | +14.0% |
| MDCO | MEDICINES CO | $22,729,000 | +20.5% | 690,000 | 0.0% | 0.97% | +13.3% | |
| EPZM | Sell | EPIZYME INC | $22,631,000 | +36.1% | 1,275,000 | -3.8% | 0.96% | +27.8% |
| ASMB | Sell | ASSEMBLY BIOSCIENCES INC | $21,769,000 | +6.9% | 443,000 | -1.6% | 0.93% | +0.5% |
| MRSN | Sell | MERSANA THERAPEUTICS INC | $20,501,000 | -6.0% | 1,300,000 | -2.0% | 0.88% | -11.5% |
| WMGI | Buy | WRIGHT MED GROUP N V | $19,840,000 | +27.7% | 1,000,000 | +42.9% | 0.85% | +20.0% |
| ALDR | Buy | ALDER BIOPHARMACEUTICALS INC | $19,428,000 | +60.8% | 1,529,800 | +45.0% | 0.83% | +51.3% |
| BAX | Buy | BAXTER INTL INC | $19,317,000 | +29.9% | 297,000 | +29.1% | 0.82% | +22.1% |
| SRPT | SAREPTA THERAPEUTICS INC | $19,115,000 | +33.2% | 258,000 | 0.0% | 0.82% | +25.2% | |
| JAZZ | JAZZ PHARMACEUTICALS PLC | $18,677,000 | +12.1% | 123,700 | 0.0% | 0.80% | +5.4% | |
| EHC | New | ENCOMPASS HEALTH CORP | $18,695,000 | – | 327,000 | +100.0% | 0.80% | – |
| INSM | Buy | INSMED INC | $18,579,000 | -2.9% | 825,000 | +34.5% | 0.79% | -8.6% |
| ASND | Buy | ASCENDIS PHARMA A Ssponsored adr | $18,541,000 | +65.3% | 283,500 | +1.2% | 0.79% | +55.4% |
| GLPG | GALAPAGOS NVspon adr | $18,456,000 | +6.4% | 185,000 | 0.0% | 0.79% | 0.0% | |
| AXGN | Buy | AXOGEN INC | $18,433,000 | +36.4% | 505,000 | +5.8% | 0.79% | +28.2% |
| ALNY | Buy | ALNYLAM PHARMACEUTICALS INC | $17,031,000 | +3.1% | 143,000 | +10.0% | 0.73% | -2.9% |
| BOLD | Buy | AUDENTES THERAPEUTICS INC | $16,978,000 | +3.5% | 565,000 | +7.6% | 0.72% | -2.7% |
| ALGN | Sell | ALIGN TECHNOLOGY INC | $16,449,000 | +10.9% | 65,500 | -1.9% | 0.70% | +4.3% |
| XENT | Buy | INTERSECT ENT INC | $16,113,000 | +44.1% | 410,000 | +18.8% | 0.69% | +35.5% |
| ZBH | Buy | ZIMMER BIOMET HLDGS INC | $16,083,000 | +12.0% | 147,500 | +23.9% | 0.69% | +5.2% |
| NUVA | New | NUVASIVE INC | $15,924,000 | – | 305,000 | +100.0% | 0.68% | – |
| TBPH | THERAVANCE BIOPHARMA INC | $15,826,000 | -13.0% | 652,600 | 0.0% | 0.68% | -18.3% | |
| INCY | INCYTE CORP | $15,208,000 | -12.0% | 182,500 | 0.0% | 0.65% | -17.2% | |
| FOLD | Buy | AMICUS THERAPEUTICS INC | $15,040,000 | +14.9% | 1,000,000 | +9.9% | 0.64% | +8.1% |
| HOLX | Buy | HOLOGIC INC | $14,944,000 | +4.4% | 400,000 | +19.4% | 0.64% | -2.0% |
| EXAS | Sell | EXACT SCIENCES CORP | $14,942,000 | -34.6% | 370,500 | -14.8% | 0.64% | -38.6% |
| ARNA | Buy | ARENA PHARMACEUTICALS INC | $14,813,000 | +102.8% | 375,000 | +74.4% | 0.63% | +90.9% |
| BIIB | BIOGEN INC | $14,512,000 | -14.0% | 53,000 | 0.0% | 0.62% | -19.2% | |
| BPMC | Buy | BLUEPRINT MEDICINES CORP | $14,466,000 | +30.9% | 157,753 | +7.7% | 0.62% | +23.2% |
| FGEN | Sell | FIBROGEN INC | $14,299,000 | -7.2% | 309,500 | -4.8% | 0.61% | -12.7% |
| ANAB | Sell | ANAPTYSBIO INC | $14,051,000 | -2.0% | 135,000 | -5.2% | 0.60% | -8.0% |
| INGN | Buy | INOGEN INC | $13,574,000 | +42.5% | 110,500 | +38.1% | 0.58% | +34.0% |
| HRTX | Buy | HERON THERAPEUTICS INC | $13,138,000 | +190.3% | 476,000 | +90.4% | 0.56% | +173.2% |
| MNLO | New | MENLO THERAPEUTICS INC | $12,401,000 | – | 330,000 | +100.0% | 0.53% | – |
| CLVS | CLOVIS ONCOLOGY INC | $12,223,000 | -22.4% | 231,500 | 0.0% | 0.52% | -27.0% | |
| IDXX | New | IDEXX LABS INC | $12,058,000 | – | 63,000 | +100.0% | 0.51% | – |
| AMRN | Buy | AMARIN CORP PLCspons adr new | $12,040,000 | -24.0% | 4,000,000 | +1.3% | 0.51% | -28.5% |
| PRTA | Buy | PROTHENA CORP PLC | $11,692,000 | +0.6% | 318,500 | +2.7% | 0.50% | -5.3% |
| ARDX | ARDELYX INC | $11,492,000 | -23.5% | 2,275,557 | 0.0% | 0.49% | -28.0% | |
| OBSV | OBSEVA SA | $11,332,000 | +38.2% | 840,000 | 0.0% | 0.48% | +29.8% | |
| FIXX | New | HOMOLOGY MEDICINES INC | $10,753,000 | – | 575,000 | +100.0% | 0.46% | – |
| GTHX | Buy | G1 THERAPEUTICS INC | $10,633,000 | +149.8% | 287,000 | +33.8% | 0.45% | +135.2% |
| PTLA | PORTOLA PHARMACEUTICALS INC | $10,575,000 | -32.9% | 323,800 | 0.0% | 0.45% | -36.9% | |
| CLSD | Buy | CLEARSIDE BIOMEDICAL INC | $10,462,000 | +59.8% | 975,000 | +4.3% | 0.45% | +50.2% |
| BMRN | BIOMARIN PHARMACEUTICAL INC | $10,134,000 | -9.1% | 125,000 | 0.0% | 0.43% | -14.6% | |
| FPRX | Buy | FIVE PRIME THERAPEUTICS INC | $10,059,000 | +8.0% | 585,500 | +37.8% | 0.43% | +1.4% |
| ADAP | ADAPTIMMUNE THERAPEUTICS PLCsponds adr | $9,826,000 | +68.1% | 875,000 | 0.0% | 0.42% | +58.1% | |
| ACRS | Buy | ACLARIS THERAPEUTICS INC | $9,286,000 | -9.3% | 530,000 | +27.7% | 0.40% | -14.7% |
| RIGL | Buy | RIGEL PHARMACEUTICALS INC | $9,116,000 | -5.1% | 2,575,000 | +4.0% | 0.39% | -10.8% |
| ZGNX | ZOGENIX INC | $9,031,000 | 0.0% | 225,500 | 0.0% | 0.38% | -6.1% | |
| RTIX | RTI SURGICAL INC | $8,970,000 | +12.2% | 1,950,000 | 0.0% | 0.38% | +5.5% | |
| CO | New | GLOBAL CORD BLOOD CORPORATIO | $8,976,000 | – | 880,000 | +100.0% | 0.38% | – |
| RTRX | RETROPHIN INC | $8,944,000 | +6.1% | 400,000 | 0.0% | 0.38% | 0.0% | |
| RARE | Buy | ULTRAGENYX PHARMACEUTICAL IN | $8,821,000 | +16.7% | 173,000 | +6.1% | 0.38% | +9.6% |
| ZTS | New | ZOETIS INCcl a | $8,435,000 | – | 101,000 | +100.0% | 0.36% | – |
| BHVN | Buy | BIOHAVEN PHARMACTL HLDG CO L | $8,372,000 | +27.2% | 325,000 | +33.2% | 0.36% | +19.4% |
| ACHN | ACHILLION PHARMACEUTICALS IN | $8,348,000 | +28.8% | 2,250,000 | 0.0% | 0.36% | +21.1% | |
| ODT | Sell | ODONATE THERAPEUTICS INC | $8,123,000 | -20.8% | 383,500 | -6.5% | 0.35% | -25.4% |
| SAGE | Buy | SAGE THERAPEUTICS INC | $7,892,000 | +6.5% | 49,000 | +8.9% | 0.34% | +0.3% |
| BLUE | BLUEBIRD BIO INC | $7,684,000 | -4.1% | 45,000 | 0.0% | 0.33% | -9.9% | |
| CHRS | Buy | COHERUS BIOSCIENCES INC | $7,680,000 | +38.6% | 695,000 | +10.4% | 0.33% | +30.7% |
| SPRO | SPERO THERAPEUTICS INC | $7,481,000 | +21.3% | 525,000 | 0.0% | 0.32% | +13.9% | |
| GBT | GLOBAL BLOOD THERAPEUTICS IN | $7,245,000 | +22.7% | 150,000 | 0.0% | 0.31% | +15.3% | |
| MGNX | Buy | MACROGENICS INC | $6,919,000 | +61.8% | 275,000 | +22.2% | 0.30% | +52.1% |
| CRVS | Buy | CORVUS PHARMACEUTICALS INC | $6,630,000 | +51.4% | 575,000 | +36.1% | 0.28% | +42.2% |
| NVTA | Buy | INVITAE CORP | $6,566,000 | -44.6% | 1,400,000 | +7.2% | 0.28% | -48.0% |
| IMMU | New | IMMUNOMEDICS INC | $6,575,000 | – | 450,000 | +100.0% | 0.28% | – |
| LJPC | New | LA JOLLA PHARMACEUTICAL CO | $6,552,000 | – | 220,000 | +100.0% | 0.28% | – |
| CBAY | Buy | CYMABAY THERAPEUTICS INC | $6,365,000 | +53.7% | 490,000 | +8.9% | 0.27% | +44.7% |
| ZLAB | ZAI LAB LTDadr | $6,298,000 | +0.6% | 295,000 | 0.0% | 0.27% | -5.3% | |
| GTXI | New | GTX INC DEL | $6,284,000 | – | 354,000 | +100.0% | 0.27% | – |
| MYOV | MYOVANT SCIENCES LTD | $6,277,000 | +68.3% | 295,100 | 0.0% | 0.27% | +58.6% | |
| MNTA | New | MOMENTA PHARMACEUTICALS INC | $6,262,000 | – | 345,000 | +100.0% | 0.27% | – |
| ECYT | New | ENDOCYTE INC | $6,136,000 | – | 675,000 | +100.0% | 0.26% | – |
| A | New | AGILENT TECHNOLOGIES INC | $6,121,000 | – | 91,500 | +100.0% | 0.26% | – |
| PRTK | PARATEK PHARMACEUTICALS INC | $5,850,000 | -27.4% | 450,000 | 0.0% | 0.25% | -31.5% | |
| MRTX | Buy | MIRATI THERAPEUTICS INC | $5,802,000 | +76.6% | 189,000 | +5.0% | 0.25% | +66.4% |
| NVAX | Buy | NOVAVAX INC | $5,775,000 | +132.9% | 2,750,000 | +37.5% | 0.25% | +117.7% |
| TXMD | Sell | THERAPEUTICSMD INC | $5,712,000 | -19.5% | 1,172,800 | -0.2% | 0.24% | -24.2% |
| SHPG | New | SHIRE PLCsponsored adr | $5,602,000 | – | 37,500 | +100.0% | 0.24% | – |
| New | INSMED INCnote 1.750% 1/1 | $5,358,000 | – | 6,000,000 | +100.0% | 0.23% | – | |
| ADVM | New | ADVERUM BIOTECHNOLOGIES INC | $5,220,000 | – | 900,000 | +100.0% | 0.22% | – |
| CMTA | CLEMENTIA PHARMACEUTICALS IN | $5,227,000 | -20.2% | 345,000 | 0.0% | 0.22% | -24.9% | |
| AGLE | AEGLEA BIOTHERAPEUTICS INC | $5,199,000 | +83.4% | 524,089 | 0.0% | 0.22% | +72.1% | |
| AIMT | Sell | AIMMUNE THERAPEUTICS INC | $5,093,000 | -54.0% | 160,000 | -45.4% | 0.22% | -56.9% |
| DVAX | Buy | DYNAVAX TECHNOLOGIES CORP | $4,982,000 | +52.2% | 251,000 | +43.4% | 0.21% | +43.0% |
| PRTA | Buy | PROTHENA CORP PLCcall | $4,956,000 | +428.9% | 135,000 | +440.0% | 0.21% | +390.7% |
| MEDICINES COnote 2.750% 7/1 | $4,820,000 | +4.9% | 5,000,000 | 0.0% | 0.21% | -1.4% | ||
| DERM | Buy | DERMIRA INC | $4,794,000 | -59.0% | 600,000 | +42.9% | 0.20% | -61.3% |
| New | ALDER BIOPHARMACEUTICALS INCnote 2.500% 2/0 | $4,626,000 | – | 5,000,000 | +100.0% | 0.20% | – | |
| BCRX | Buy | BIOCRYST PHARMACEUTICALS | $4,412,000 | +10.6% | 925,000 | +13.8% | 0.19% | +3.9% |
| ITCI | INTRA CELLULAR THERAPIES INC | $3,947,000 | +45.4% | 187,500 | 0.0% | 0.17% | +36.6% | |
| EXEL | EXELIXIS INC | $3,876,000 | -27.1% | 175,000 | 0.0% | 0.16% | -31.5% | |
| CGEN | COMPUGEN LTDord | $3,671,000 | +77.9% | 825,000 | 0.0% | 0.16% | +67.0% | |
| MEDICINES COnote 2.500% 1/1 | $3,462,000 | +9.2% | 3,000,000 | 0.0% | 0.15% | +2.8% | ||
| MRUS | Sell | MERUS N V | $3,241,000 | -38.6% | 174,917 | -35.7% | 0.14% | -42.3% |
| PTI | PROTEOSTASIS THERAPEUTICS IN | $3,206,000 | -18.5% | 675,000 | 0.0% | 0.14% | -23.5% | |
| RARX | RA PHARMACEUTICALS INC | $3,186,000 | -37.5% | 600,000 | 0.0% | 0.14% | -41.1% | |
| EGALET CORPnote 5.500% 4/0 | $3,159,000 | -15.8% | 7,800,000 | 0.0% | 0.14% | -20.6% | ||
| NABRIVA THERAPEUTICS PLC | $3,144,000 | -15.9% | 625,000 | 0.0% | 0.13% | -21.2% | ||
| AGN | New | ALLERGAN PLC | $2,973,000 | – | 17,665 | +100.0% | 0.13% | – |
| CRME | CARDIOME PHARMA CORP | $2,784,000 | +49.7% | 1,200,000 | 0.0% | 0.12% | +41.7% | |
| TORC | New | RESTORBIO INC | $2,635,000 | – | 275,000 | +100.0% | 0.11% | – |
| DBVT | DBV TECHNOLOGIES S Asponsored adr | $1,684,000 | -6.2% | 73,000 | 0.0% | 0.07% | -11.1% | |
| MCRB | SERES THERAPEUTICS INC | $1,615,000 | -27.6% | 220,000 | 0.0% | 0.07% | -31.7% | |
| THERAVANCE BIOPHARMA INCnote 3.250%11/0 | $1,515,000 | -7.9% | 1,500,000 | 0.0% | 0.06% | -13.3% | ||
| RADIUS HEALTH INCnote 3.000% 9/0 | $1,512,000 | +6.6% | 1,500,000 | 0.0% | 0.06% | 0.0% | ||
| RYTM | RHYTHM PHARMACEUTICALS INC | $1,423,000 | -31.5% | 71,500 | 0.0% | 0.06% | -35.1% | |
| CDTX | CIDARA THERAPEUTICS INC | $1,200,000 | -41.2% | 300,000 | 0.0% | 0.05% | -45.2% | |
| SCYX | Buy | SCYNEXIS INC | $1,099,000 | -37.7% | 820,000 | +7.9% | 0.05% | -41.2% |
| WRIGHT MED GROUP INCnote 2.000% 2/1 | $1,001,000 | -2.9% | 1,000,000 | 0.0% | 0.04% | -8.5% | ||
| SLDB | New | SOLID BIOSCIENCES INC | $938,000 | – | 125,000 | +100.0% | 0.04% | – |
| New | PACIRA PHARMACEUTICALS INCnote 2.375% 4/0 | $912,000 | – | 1,000,000 | +100.0% | 0.04% | – | |
| CHMA | CHIASMA INC | $788,000 | -11.8% | 525,000 | 0.0% | 0.03% | -17.1% | |
| INFI | INFINITY PHARMACEUTICALS INC | $567,000 | +3.5% | 270,000 | 0.0% | 0.02% | -4.0% | |
| KURA | New | KURA ONCOLOGY INC | $497,000 | – | 26,500 | +100.0% | 0.02% | – |
| DARE | Exit | DARE BIOSCIENCE INC | $0 | – | -62,500 | -100.0% | -0.01% | – |
| OREXQ | Exit | OREXIGEN THERAPEUTICS INC | $0 | – | -165,300 | -100.0% | -0.01% | – |
| LIFE | Exit | ATYR PHARMA INC | $0 | – | -475,000 | -100.0% | -0.08% | – |
| ALPN | Exit | ALPINE IMMUNE SCIENCES INC | $0 | – | -150,000 | -100.0% | -0.08% | – |
| AGNPRA | Exit | ALLERGAN PLC5.5% cnv pfd a | $0 | – | -5,000 | -100.0% | -0.13% | – |
| ADRO | Exit | ADURO BIOTECH INC | $0 | – | -415,000 | -100.0% | -0.14% | – |
| IRWD | Exit | IRONWOOD PHARMACEUTICALS INC | $0 | – | -225,000 | -100.0% | -0.15% | – |
| TTPH | Exit | TETRAPHASE PHARMACEUTICALS I | $0 | – | -950,000 | -100.0% | -0.27% | – |
| ABLX | Exit | ABLYNX NVsponsored adr | $0 | – | -250,000 | -100.0% | -0.28% | – |
| STE | Exit | STERIS PLC | $0 | – | -74,000 | -100.0% | -0.29% | – |
| SGEN | Exit | SEATTLE GENETICS INC | $0 | – | -125,000 | -100.0% | -0.30% | – |
| AFAM | Exit | ALMOST FAMILY INC | $0 | – | -147,540 | -100.0% | -0.37% | – |
| CO | Exit | CHINA CORD BLOOD CORP | $0 | – | -880,000 | -100.0% | -0.40% | – |
| HQY | Exit | HEALTHEQUITY INC | $0 | – | -195,000 | -100.0% | -0.41% | – |
| JUNO | Exit | JUNO THERAPEUTICS INC | $0 | – | -230,000 | -100.0% | -0.48% | – |
| HLS | Exit | HEALTHSOUTH CORP | $0 | – | -265,000 | -100.0% | -0.59% | – |
| WLTW | Exit | WILLIS TOWERS WATSON PUB LTD | $0 | – | -123,000 | -100.0% | -0.84% | – |
| JNJ | Exit | JOHNSON & JOHNSON | $0 | – | -200,000 | -100.0% | -1.27% | – |
| MRK | Exit | MERCK & CO INC | $0 | – | -850,700 | -100.0% | -2.17% | – |
| CI | Exit | CIGNA CORPORATION | $0 | – | -321,000 | -100.0% | -2.96% | – |
| AAAP | Exit | ADVANCED ACCELERATOR APPLICsponsored ads | $0 | – | -825,500 | -100.0% | -3.06% | – |
Original filings
The following EDGAR filing(s) were analyzed to create this report:
- View 13F-HR filed 2018-05-15
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.