$4.58 Billion is the total value of Rock Springs Capital Management LP's 151 reported holdings in Q1 2021. The portfolio turnover from Q4 2020 to Q1 2021 was 25.8% .
| Value | Shares | ↓ Weighting | ||||||
|---|---|---|---|---|---|---|---|---|
| AGIO | Buy | AGIOS PHARMACEUTICALS INC | $131,352,000 | +20.1% | 2,543,600 | +0.8% | 2.87% | +23.6% |
| HUM | Buy | HUMANA INC | $126,194,000 | +7.9% | 301,000 | +5.6% | 2.75% | +11.1% |
| ZLAB | Buy | ZAI LAB LTDadr | $124,557,000 | +7.7% | 933,500 | +9.2% | 2.72% | +10.8% |
| AVIR | Sell | ATEA PHARMACEUTICALS INC | $104,660,000 | +47.6% | 1,694,903 | -0.1% | 2.28% | +51.8% |
| UNH | Sell | UNITEDHEALTH GROUP INC | $102,319,000 | -28.0% | 275,000 | -32.1% | 2.23% | -25.9% |
| FPRX | Buy | FIVE PRIME THERAPEUTICS INC | $100,233,000 | +716.6% | 2,660,822 | +268.7% | 2.19% | +741.2% |
| NBIX | Sell | NEUROCRINE BIOSCIENCES INC | $98,709,000 | -34.6% | 1,015,000 | -35.6% | 2.15% | -32.7% |
| IMCR | New | IMMUNOCORE HLDGS PLCads | $97,583,000 | – | 2,292,285 | +100.0% | 2.13% | – |
| PODD | Buy | INSULET CORP | $96,801,000 | +19.1% | 371,000 | +16.7% | 2.11% | +22.5% |
| ALGN | Buy | ALIGN TECHNOLOGY INC | $96,122,000 | +10.0% | 177,500 | +8.6% | 2.10% | +13.2% |
| ACRS | Buy | ACLARIS THERAPEUTICS INC | $89,944,000 | +419.5% | 3,569,192 | +33.4% | 1.96% | +434.6% |
| ISRG | INTUITIVE SURGICAL INC | $88,673,000 | -9.7% | 120,000 | 0.0% | 1.94% | -7.1% | |
| IDXX | Buy | IDEXX LABS INC | $88,076,000 | +41.0% | 180,000 | +44.0% | 1.92% | +45.0% |
| HCA | HCA HEALTHCARE INC | $84,753,000 | +14.5% | 450,000 | 0.0% | 1.85% | +17.8% | |
| NVTA | Buy | INVITAE CORP | $84,596,000 | +9.2% | 2,213,977 | +19.5% | 1.85% | +12.4% |
| NVAX | Sell | NOVAVAX INC | $83,584,000 | +33.1% | 461,000 | -18.1% | 1.82% | +36.9% |
| ARGX | Buy | ARGENX SEsponsored adr | $82,617,000 | -2.3% | 300,000 | +4.3% | 1.80% | +0.5% |
| FRPT | FRESHPET INC | $80,437,000 | +11.8% | 506,500 | 0.0% | 1.76% | +15.1% | |
| EXAS | Buy | EXACT SCIENCES CORP | $75,115,000 | +16.9% | 570,000 | +17.5% | 1.64% | +20.3% |
| BPMC | Sell | BLUEPRINT MEDICINES CORP | $72,605,000 | -23.1% | 746,732 | -11.3% | 1.58% | -20.9% |
| PCRX | PACIRA BIOSCIENCES INC | $71,842,000 | +17.1% | 1,025,000 | 0.0% | 1.57% | +20.4% | |
| BGNE | Sell | BEIGENE LTDsponsored adr | $69,616,000 | +19.7% | 200,000 | -11.1% | 1.52% | +23.2% |
| NVRO | Buy | NEVRO CORP | $67,658,000 | -1.0% | 485,000 | +22.8% | 1.48% | +1.8% |
| IRTC | Sell | IRHYTHM TECHNOLOGIES INC | $60,056,000 | -59.5% | 432,496 | -30.8% | 1.31% | -58.3% |
| HZNP | HORIZON THERAPEUTICS PUB L | $57,525,000 | +25.8% | 625,000 | 0.0% | 1.26% | +29.5% | |
| MRTX | Sell | MIRATI THERAPEUTICS INC | $55,441,000 | -32.4% | 323,647 | -13.3% | 1.21% | -30.4% |
| TFX | TELEFLEX INCORPORATED | $54,010,000 | +0.9% | 130,000 | 0.0% | 1.18% | +3.9% | |
| BOLT | New | BOLT BIOTHERAPEUTICS INC | $51,315,000 | – | 1,559,248 | +100.0% | 1.12% | – |
| RARE | Sell | ULTRAGENYX PHARMACEUTICAL IN | $51,237,000 | -34.7% | 450,000 | -20.6% | 1.12% | -32.8% |
| EW | EDWARDS LIFESCIENCES CORP | $48,678,000 | -8.3% | 582,000 | 0.0% | 1.06% | -5.7% | |
| MRSN | Buy | MERSANA THERAPEUTICS INC | $44,902,000 | -18.2% | 2,775,127 | +34.5% | 0.98% | -15.8% |
| CGEM | New | CULLINAN ONCOLOGY INC | $44,833,000 | – | 1,075,912 | +100.0% | 0.98% | – |
| KRTX | Buy | KARUNA THERAPEUTICS INC | $44,336,000 | +78.9% | 368,764 | +51.2% | 0.97% | +84.2% |
| PHR | PHREESIA INC | $44,285,000 | -4.0% | 850,000 | 0.0% | 0.97% | -1.2% | |
| EAR | Sell | EARGO INC | $42,541,000 | +5.5% | 851,671 | -5.4% | 0.93% | +8.5% |
| ALNY | Sell | ALNYLAM PHARMACEUTICALS INC | $42,357,000 | -2.7% | 300,000 | -10.4% | 0.92% | +0.1% |
| CVET | Buy | COVETRUS INC | $41,958,000 | +13.6% | 1,400,000 | +8.9% | 0.92% | +16.9% |
| ARVN | Sell | ARVINAS INC | $41,101,000 | -35.1% | 621,800 | -16.6% | 0.90% | -33.2% |
| EHC | ENCOMPASS HEALTH CORP | $40,950,000 | -1.0% | 500,000 | 0.0% | 0.89% | +1.8% | |
| ACHC | ACADIA HEALTHCARE COMPANY IN | $39,998,000 | +13.7% | 700,000 | 0.0% | 0.87% | +17.0% | |
| PEN | Sell | PENUMBRA INC | $39,911,000 | +43.4% | 147,500 | -7.2% | 0.87% | +47.6% |
| TVTX | Buy | TRAVERE THERAPEUTICS INC | $36,845,000 | +32.4% | 1,475,564 | +44.5% | 0.80% | +36.3% |
| HCAT | HEALTH CATALYST INC | $36,714,000 | +7.4% | 785,000 | 0.0% | 0.80% | +10.5% | |
| ALLK | Sell | ALLAKOS INC | $35,089,000 | -26.6% | 305,706 | -10.5% | 0.77% | -24.5% |
| SGEN | SEAGEN INC | $34,715,000 | -20.7% | 250,000 | 0.0% | 0.76% | -18.4% | |
| ARDX | Buy | ARDELYX INC | $34,269,000 | +2.9% | 5,176,561 | +0.6% | 0.75% | +5.9% |
| AZN | New | ASTRAZENECA PLCsponsored adr | $32,318,000 | – | 650,000 | +100.0% | 0.70% | – |
| BIIB | Buy | BIOGEN INC | $31,752,000 | +29.7% | 113,500 | +13.5% | 0.69% | +33.5% |
| BSX | BOSTON SCIENTIFIC CORP | $30,920,000 | +7.5% | 800,000 | 0.0% | 0.68% | +10.7% | |
| GH | GUARDANT HEALTH INC | $30,530,000 | +18.4% | 200,000 | 0.0% | 0.67% | +21.8% | |
| MDGL | Buy | MADRIGAL PHARMACEUTICALS INC | $30,237,000 | +5.9% | 258,500 | +0.7% | 0.66% | +9.1% |
| ASND | ASCENDIS PHARMA A/Ssponsored adr | $30,093,000 | -22.7% | 233,500 | 0.0% | 0.66% | -20.5% | |
| MIRM | Buy | MIRUM PHARMACEUTICALS INC | $29,785,000 | +14.0% | 1,502,800 | +0.4% | 0.65% | +17.3% |
| EVH | New | EVOLENT HEALTH INCcl a | $29,189,000 | – | 1,445,000 | +100.0% | 0.64% | – |
| PRTA | Buy | PROTHENA CORP PLC | $29,061,000 | +112.0% | 1,156,900 | +1.4% | 0.63% | +117.9% |
| SWAV | SHOCKWAVE MED INC | $28,657,000 | +25.6% | 220,000 | 0.0% | 0.62% | +29.1% | |
| ACCD | Buy | ACCOLADE INC | $28,356,000 | +30.4% | 625,000 | +25.0% | 0.62% | +34.3% |
| ACAD | Sell | ACADIA PHARMACEUTICALS INC | $27,766,000 | -67.8% | 1,076,200 | -33.3% | 0.61% | -66.8% |
| LUNG | Buy | PULMONX CORP | $27,101,000 | -21.5% | 592,500 | +18.5% | 0.59% | -19.3% |
| SPRB | Sell | SPRUCE BIOSCIENCES INC | $26,216,000 | -33.9% | 1,579,301 | -3.2% | 0.57% | -32.0% |
| ADPT | Buy | ADAPTIVE BIOTECHNOLOGIES COR | $26,169,000 | -30.3% | 650,000 | +2.4% | 0.57% | -28.3% |
| AMRN | AMARIN CORP PLCspons adr new | $26,051,000 | +27.0% | 4,195,000 | 0.0% | 0.57% | +30.6% | |
| PPD | Buy | PPD INC | $25,542,000 | +42.2% | 675,000 | +28.6% | 0.56% | +46.2% |
| SRPT | SAREPTA THERAPEUTICS INC | $24,502,000 | -56.3% | 328,750 | 0.0% | 0.54% | -55.0% | |
| EPZM | Buy | EPIZYME INC | $24,414,000 | -12.0% | 2,802,954 | +9.8% | 0.53% | -9.4% |
| KYMR | Sell | KYMERA THERAPEUTICS INC | $24,162,000 | -45.4% | 621,777 | -12.9% | 0.53% | -43.8% |
| NVCR | NOVOCURE LTD | $23,132,000 | -23.6% | 175,000 | 0.0% | 0.50% | -21.3% | |
| XENT | Buy | INTERSECT ENT INC | $22,555,000 | +40.7% | 1,080,200 | +54.3% | 0.49% | +44.7% |
| COLL | Sell | COLLEGIUM PHARMACEUTICAL INC | $21,804,000 | -1.0% | 920,000 | -16.4% | 0.48% | +1.9% |
| INSP | Sell | INSPIRE MED SYS INC | $20,699,000 | -48.4% | 100,000 | -53.1% | 0.45% | -46.9% |
| ABCM | Buy | ABCAM PLCads | $20,551,000 | +3.1% | 1,069,236 | +15.6% | 0.45% | +5.9% |
| OSH | OAK STR HEALTH INC | $20,351,000 | -11.3% | 375,000 | 0.0% | 0.44% | -8.6% | |
| KURA | Buy | KURA ONCOLOGY INC | $20,073,000 | +21.0% | 710,035 | +39.7% | 0.44% | +24.4% |
| BMRN | BIOMARIN PHARMACEUTICAL INC | $19,142,000 | -13.9% | 253,500 | 0.0% | 0.42% | -11.3% | |
| CYTOKINETICS INCnote 4.000%11/1 | $19,094,000 | +10.6% | 8,000,000 | 0.0% | 0.42% | +13.9% | ||
| RCKT | Buy | ROCKET PHARMACEUTICALS INC | $17,884,000 | -18.5% | 403,070 | +0.7% | 0.39% | -16.3% |
| SRRA | Buy | SIERRA ONCOLOGY INC | $17,529,000 | +92.7% | 1,017,358 | +79.3% | 0.38% | +97.9% |
| GMDA | Buy | GAMIDA CELL LTD | $16,991,000 | -3.3% | 2,100,300 | +0.3% | 0.37% | -0.5% |
| INZY | Sell | INOZYME PHARMA INC | $16,392,000 | -4.4% | 827,900 | -0.3% | 0.36% | -1.4% |
| PRLD | Buy | PRELUDE THERAPEUTICS INC | $16,387,000 | -36.4% | 378,195 | +4.9% | 0.36% | -34.6% |
| DVAX | Buy | DYNAVAX TECHNOLOGIES CORP | $16,303,000 | +122.1% | 1,658,520 | +0.6% | 0.36% | +128.2% |
| RIGL | Sell | RIGEL PHARMACEUTICALS INC | $16,218,000 | -2.3% | 4,742,000 | -0.0% | 0.35% | +0.6% |
| NKTX | Sell | NKARTA INC | $16,182,000 | -51.3% | 491,848 | -9.1% | 0.35% | -49.9% |
| MREO | New | MEREO BIOPHARMA GROUP PLCads | $15,148,000 | – | 4,494,869 | +100.0% | 0.33% | – |
| AKRO | Buy | AKERO THERAPEUTICS INC | $15,119,000 | +13.7% | 521,171 | +1.1% | 0.33% | +17.0% |
| EPIX | New | ESSA PHARMA INC | $14,613,000 | – | 503,035 | +100.0% | 0.32% | – |
| ATHA | Sell | ATHIRA PHARMA INC | $14,503,000 | -50.8% | 788,202 | -8.4% | 0.32% | -49.4% |
| OLK | New | OLINK HLDG ABsponsored ads | $14,400,000 | – | 400,000 | +100.0% | 0.31% | – |
| SPRO | Sell | SPERO THERAPEUTICS INC | $14,218,000 | -40.6% | 965,928 | -21.8% | 0.31% | -39.0% |
| GOSSAMER BIO INCnote 5.000% 6/0 | $13,977,000 | -1.5% | 15,573,000 | 0.0% | 0.30% | +1.3% | ||
| TBPH | Buy | THERAVANCE BIOPHARMA INC | $13,932,000 | +15.6% | 682,600 | +0.6% | 0.30% | +18.8% |
| CERE | Buy | CEREVEL THERAPEUTICS HLDNG I | $13,800,000 | -16.7% | 1,005,100 | +0.6% | 0.30% | -14.2% |
| APLT | Buy | APPLIED THERAPEUTICS INC | $13,160,000 | -6.0% | 701,680 | +10.4% | 0.29% | -3.4% |
| TGTX | Sell | TG THERAPEUTICS INC | $12,846,000 | -49.5% | 266,520 | -45.5% | 0.28% | -48.1% |
| GLPG | GALAPAGOS NVspon adr | $12,720,000 | -22.1% | 165,000 | 0.0% | 0.28% | -19.7% | |
| RYTM | Buy | RHYTHM PHARMACEUTICALS INC | $12,747,000 | -12.6% | 599,280 | +22.2% | 0.28% | -10.0% |
| AGLE | Sell | AEGLEA BIOTHERAPEUTICS INC | $12,492,000 | +0.5% | 1,577,296 | -0.2% | 0.27% | +3.4% |
| MGNX | Buy | MACROGENICS INC | $12,532,000 | +77.1% | 393,479 | +27.1% | 0.27% | +82.0% |
| INNV | New | INNOVAGE HLDG CORP | $12,250,000 | – | 475,000 | +100.0% | 0.27% | – |
| PRTK | Buy | PARATEK PHARMACEUTICALS INC | $11,894,000 | +13.1% | 1,684,714 | +0.2% | 0.26% | +16.1% |
| BAX | Sell | BAXTER INTL INC | $11,808,000 | -51.1% | 140,000 | -53.5% | 0.26% | -49.6% |
| ANAB | Buy | ANAPTYSBIO INC | $11,534,000 | +73.4% | 535,232 | +73.0% | 0.25% | +78.7% |
| STTK | Sell | SHATTUCK LABS INC | $11,360,000 | -55.7% | 388,499 | -20.6% | 0.25% | -54.3% |
| CNMD | Buy | CONMED CORP | $11,111,000 | +27.2% | 85,085 | +9.1% | 0.24% | +30.8% |
| FGEN | Buy | FIBROGEN INC | $10,853,000 | -5.4% | 312,687 | +1.1% | 0.24% | -2.5% |
| TARA | Buy | PROTARA THERAPEUTICS INC | $10,860,000 | -30.3% | 689,942 | +7.3% | 0.24% | -28.2% |
| TBIO | Buy | TRANSLATE BIO INC | $10,717,000 | -9.6% | 649,900 | +1.0% | 0.23% | -6.8% |
| NGM | Buy | NGM BIOPHARMACEUTICALS INC | $10,605,000 | -2.9% | 364,800 | +1.2% | 0.23% | -0.4% |
| CGEN | Buy | COMPUGEN LTDord | $10,475,000 | -23.7% | 1,219,488 | +7.6% | 0.23% | -21.3% |
| RXDX | New | PROMETHEUS BIOSCIENCES INC | $10,497,000 | – | 574,858 | +100.0% | 0.23% | – |
| KDNY | Buy | CHINOOK THERAPEUTICS INC | $10,459,000 | -1.4% | 673,049 | +0.6% | 0.23% | +1.3% |
| XENE | Buy | XENON PHARMACEUTICALS INC | $10,248,000 | +29.4% | 572,500 | +11.2% | 0.22% | +33.3% |
| KNTE | Buy | KINNATE BIOPHARMA INC | $10,170,000 | -21.3% | 326,386 | +0.5% | 0.22% | -19.0% |
| FUSN | FUSION PHARMACEUTICALS INC | $10,166,000 | -8.8% | 948,327 | 0.0% | 0.22% | -5.9% | |
| AUPH | Buy | AURINIA PHARMACEUTICALS INC | $10,149,000 | -5.1% | 781,569 | +1.0% | 0.22% | -2.6% |
| OHPAU | New | ORION ACQUISITION CORPunit 02/19/2026 | $10,000,000 | – | 1,000,000 | +100.0% | 0.22% | – |
| FOLD | Sell | AMICUS THERAPEUTICS INC | $10,004,000 | -57.9% | 1,012,506 | -1.6% | 0.22% | -56.7% |
| DSGN | New | DESIGN THERAPEUTICS INC | $9,785,000 | – | 327,250 | +100.0% | 0.21% | – |
| NRIX | Buy | NURIX THERAPEUTICS INC | $9,667,000 | +14.3% | 310,950 | +20.9% | 0.21% | +17.9% |
| LEGN | Buy | LEGEND BIOTECH CORPsponsored ads | $9,072,000 | +4.1% | 312,618 | +1.0% | 0.20% | +7.0% |
| RLAY | Sell | RELAY THERAPEUTICS INC | $8,716,000 | -49.1% | 252,127 | -38.8% | 0.19% | -47.7% |
| ADAP | ADAPTIMMUNE THERAPEUTICS PLCsponds adr | $8,204,000 | -1.5% | 1,545,000 | 0.0% | 0.18% | +1.1% | |
| WST | WEST PHARMACEUTICAL SVSC INC | $8,031,000 | -0.5% | 28,500 | 0.0% | 0.18% | +2.3% | |
| BCEL | Buy | ATRECA INC | $6,959,000 | -4.5% | 453,930 | +0.6% | 0.15% | -1.9% |
| CHMA | Buy | CHIASMA INC | $6,806,000 | -26.8% | 2,174,583 | +1.8% | 0.15% | -24.9% |
| Buy | TRILLIUM THERAPEUTICS INC | $6,667,000 | -26.7% | 620,800 | +0.4% | 0.14% | -24.9% | |
| ACRX | Buy | ACELRX PHARMACEUTICALS INC | $6,435,000 | +37.2% | 3,785,457 | +0.1% | 0.14% | +41.4% |
| FATE | New | FATE THERAPEUTICS INC | $5,772,000 | – | 70,000 | +100.0% | 0.13% | – |
| CNST | Sell | CONSTELLATION PHARMCETICLS I | $5,426,000 | -19.1% | 232,000 | -0.3% | 0.12% | -16.9% |
| DXCM | New | DEXCOM INC | $5,391,000 | – | 15,000 | +100.0% | 0.12% | – |
| PHAS | Buy | PHASEBIO PHARMACEUTICALS INC | $5,377,000 | +21.8% | 1,553,974 | +18.2% | 0.12% | +24.5% |
| GRTX | Buy | GALERA THERAPEUTICS INC | $5,012,000 | -13.7% | 568,252 | +0.1% | 0.11% | -11.4% |
| NUVB | New | NUVATION BIO INC | $4,202,000 | – | 402,088 | +100.0% | 0.09% | – |
| RPRX | Sell | ROYALTY PHARMA PLC | $3,490,000 | -85.5% | 80,000 | -83.3% | 0.08% | -85.1% |
| RETROPHIN INCnote 2.500% 9/1 | $3,360,000 | +1.5% | 3,250,000 | 0.0% | 0.07% | +4.3% | ||
| BLSA | BCLS ACQUISITION CORP | $3,266,000 | -5.1% | 309,000 | 0.0% | 0.07% | -2.7% | |
| PSTX | POSEIDA THERAPEUTICS INC | $2,767,000 | -13.0% | 289,754 | 0.0% | 0.06% | -10.4% | |
| CNTB | New | CONNECT BIOPHARMA HLDGS LTDads | $2,204,000 | – | 119,114 | +100.0% | 0.05% | – |
| LSAQ | LIFESCI ACQUISITION II CORP | $2,091,000 | -5.0% | 206,200 | 0.0% | 0.05% | -2.1% | |
| EUCRU | EUCRATES BIOMEDICAL ACQU CORunit 10/23/2027 | $2,063,000 | -6.1% | 206,000 | 0.0% | 0.04% | -4.3% | |
| TMPMU | TURMERIC ACQUISITION CORPunit 10/08/2025 | $2,060,000 | -2.6% | 206,000 | 0.0% | 0.04% | 0.0% | |
| FSII | New | FS DEVELOPMENT CORP II | $2,085,000 | – | 209,332 | +100.0% | 0.04% | – |
| JYAC | JIYA ACQUISITION CORP | $2,029,000 | -4.5% | 206,200 | 0.0% | 0.04% | -2.2% | |
| PHICU | POPULATION HEALTH INVS CO INunit 99/99/9999 | $2,020,000 | -3.9% | 201,044 | 0.0% | 0.04% | -2.2% | |
| HLXA | HELIX ACQUISITION CORP | $1,576,000 | -10.3% | 154,500 | 0.0% | 0.03% | -8.1% | |
| THERAVANCE BIOPHARMA INCnote 3.250%11/0 | $1,526,000 | +7.5% | 1,500,000 | 0.0% | 0.03% | +10.0% | ||
| RADIUS HEALTH INCnote 3.000% 9/0 | $1,401,000 | +3.9% | 1,500,000 | 0.0% | 0.03% | +6.9% | ||
| NEUROCRINE BIOSCIENCES INCnote 2.250% 5/1 | $1,354,000 | -2.6% | 1,000,000 | 0.0% | 0.03% | +3.4% | ||
| PACIRA BIOSCIENCES INCnote 2.375% 4/0 | $1,211,000 | +5.4% | 1,000,000 | 0.0% | 0.03% | +8.3% | ||
| NEVRO CORPnote 2.750% 4/0 | $771,000 | -15.5% | 500,000 | 0.0% | 0.02% | -10.5% | ||
| NUVBWS | New | NUVATION BIO INC*w exp 07/07/202 | $358,000 | – | 134,028 | +100.0% | 0.01% | – |
| ANNX | Exit | ANNEXON INC | $0 | – | -45,413 | -100.0% | -0.02% | – |
| CO | Exit | GLOBAL CORD BLOOD CORPORATIO | $0 | – | -775,000 | -100.0% | -0.06% | – |
| CERT | Exit | CERTARA INC | $0 | – | -150,000 | -100.0% | -0.11% | – |
| PANAU | Exit | PANACEA ACQUISITION CORPunit 99/99/9999 | $0 | – | -402,088 | -100.0% | -0.11% | – |
| HQY | Exit | HEALTHEQUITY INC | $0 | – | -75,000 | -100.0% | -0.11% | – |
| ITOS | Exit | ITEOS THERAPEUTICS INC | $0 | – | -159,957 | -100.0% | -0.12% | – |
| Exit | INSMED INCnote 1.750% 1/1 | $0 | – | -6,000,000 | -100.0% | -0.14% | – | |
| OSW | Exit | ONESPAWORLD HOLDINGS LIMITED | $0 | – | -690,000 | -100.0% | -0.15% | – |
| ODT | Exit | ODONATE THERAPEUTICS INC | $0 | – | -377,700 | -100.0% | -0.15% | – |
| QURE | Exit | UNIQURE NV | $0 | – | -208,500 | -100.0% | -0.16% | – |
| IMRA | Exit | IMARA INC | $0 | – | -360,500 | -100.0% | -0.17% | – |
| TXG | Exit | 10X GENOMICS INC | $0 | – | -76,000 | -100.0% | -0.23% | – |
| GWPH | Exit | GW PHARMACEUTICALS PLCads | $0 | – | -119,188 | -100.0% | -0.29% | – |
| MYOV | Exit | MYOVANT SCIENCES LTD | $0 | – | -515,000 | -100.0% | -0.30% | – |
| JAZZ | Exit | JAZZ PHARMACEUTICALS PLC | $0 | – | -87,500 | -100.0% | -0.31% | – |
| CHRS | Exit | COHERUS BIOSCIENCES INC | $0 | – | -1,162,500 | -100.0% | -0.43% | – |
| INCY | Exit | INCYTE CORP | $0 | – | -300,000 | -100.0% | -0.55% | – |
| BFAM | Exit | BRIGHT HORIZONS FAM SOL IN D | $0 | – | -165,500 | -100.0% | -0.61% | – |
| BIIB | Exit | BIOGEN INCcall | $0 | – | -130,000 | -100.0% | -0.68% | – |
| IMVT | Exit | IMMUNOVANT INC | $0 | – | -891,000 | -100.0% | -0.87% | – |
| CNC | Exit | CENTENE CORP DEL | $0 | – | -730,000 | -100.0% | -0.93% | – |
| ALXN | Exit | ALEXION PHARMACEUTICALS INC | $0 | – | -306,750 | -100.0% | -1.02% | – |
Original filings
The following EDGAR filing(s) were analyzed to create this report:
- View 13F-HR filed 2021-05-17
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.