EcoR1 Capital, LLC Q3 2018 Filing
Filed November 14, 2018
Portfolio Value
$1.1T
Holdings
50
Report Date
Q3 2018
Filing Type
13F-HR
All Holdings (50 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | FGENEURFIBROGEN INC | 2,017,250 | $122.5B | 11.04% | |
| 2 | ASMBASSEMBLY BIOSCIENCES INC | 2,943,164 | $109.3B | 9.85% | |
| 3 | IRWDIRONWOOD PHARMACEUTICALS INC | 5,141,624 | $94.9B | 8.55% | |
| 4 | ASNDASCENDIS PHARMA A S | 1,087,257 | $77.0B | 6.94% | |
| 5 | KURAKURA ONCOLOGY INC | 3,902,975 | $68.3B | 6.15% | |
| 6 | SRRKSCHOLAR ROCK HOLDING CORP | 2,367,378 | $61.0B | 5.49% | |
| 7 | —DICERNA PHARMACEUTICALS INC | 3,802,327 | $58.0B | 5.23% | |
| 8 | —SPARK THERAPEUTICS INC | 837,048 | $45.7B | 4.11% | |
| 9 | MGNXMACROGENICS INC | 1,481,086 | $31.8B | 2.86% | |
| 10 | RCUSARCUS BIOSCIENCES INC | 2,236,387 | $31.2B | 2.81% | |
| 11 | KZRKEZAR LIFE SCIENCES INC | 1,288,198 | $27.6B | 2.48% | |
| 12 | —AKCEA THERAPEUTICS INC | 755,120 | $26.4B | 2.38% | |
| 13 | RAREULTRAGENYX PHARMACEUTICAL | 325,000 | $24.8B | 2.24% | Call |
| 14 | GILDGILEAD SCIENCES INC | 292,600 | $22.6B | 2.04% | Call |
| 15 | CRSPCRISPR THERAPEUTICS AG | 500,000 | $22.2B | 2.00% | |
| 16 | —FIBROGEN INC | 350,000 | $21.3B | 1.92% | Call |
| 17 | NKTRNEKTAR THERAPEUTICS | 325,000 | $19.8B | 1.78% | Call |
| 18 | RAREULTRAGENYX PHARMACEUTICAL INC | 254,000 | $19.4B | 1.75% | |
| 19 | —MAGENTA THERAPEUTICS INC | 1,538,088 | $18.5B | 1.66% | |
| 20 | ASNDASCENDIS PHARMA A S | 257,000 | $18.2B | 1.64% | Call |
| 21 | —CELGENE CORPORATION | 200,000 | $17.9B | 1.61% | Call |
| 22 | —UNITY BIOTECHNOLOGY INC. | 967,114 | $15.8B | 1.42% | |
| 23 | SURFUSDSURFACE ONCOLOGY INC | 1,363,479 | $14.9B | 1.34% | |
| 24 | RUBYUSDRUBIUS THERAPEUTICS INC | 592,128 | $14.2B | 1.28% | |
| 25 | CLDNEUREIGER BIOPHARMACEUTICALS INC | 1,039,500 | $12.5B | 1.12% | |
| 26 | I9DNARBUTUS BIOPHARMA CORP | 1,231,800 | $11.6B | 1.05% | |
| 27 | IRWDIRONWOOD PHARMACEUTICALS INC | 567,600 | $10.5B | 0.94% | Call |
| 28 | SPROSPERO THERAPEUTICS INC | 892,741 | $9.4B | 0.85% | |
| 29 | —IMMUNE DESIGN CORP | 2,241,900 | $7.7B | 0.70% | |
| 30 | ZLABZAI LAB LTD | 350,000 | $6.8B | 0.61% | |
| 31 | —AQUINOX PHARMACEUTICALS INC | 2,265,880 | $6.6B | 0.60% | |
| 32 | ELANELANCO ANIMAL HEALTH INC | 190,000 | $6.6B | 0.60% | |
| 33 | GBYSANGAMO THERAPEUTICS INC | 343,231 | $5.8B | 0.52% | |
| 34 | —ACHILLION PHARMACEUTICALS | 1,564,080 | $5.8B | 0.52% | |
| 35 | —ASSEMBLY BIOSCIENCES INC | 148,100 | $5.5B | 0.50% | Call |
| 36 | —MERSANA THERAPEUTICS INC | 495,618 | $5.0B | 0.45% | |
| 37 | —KADMON HOLDINGS INC | 1,480,870 | $4.9B | 0.45% | |
| 38 | ISIIONIS PHARMACEUTICALS INC | 72,326 | $3.7B | 0.34% | |
| 39 | —ONCONOVA THERAPEUTICS INC | 500,000 | $3.7B | 0.33% | |
| 40 | —AVROBIO INC | 68,646 | $3.6B | 0.32% | |
| 41 | —JOUNCE THERAPEUTICS INC | 497,400 | $3.2B | 0.29% | Call |
| 42 | CRVSCORVUS PHARMACEUTICALS INC | 351,401 | $3.0B | 0.27% | |
| 43 | WVEWAVE LIFE SCIENCES LTD | 44,841 | $2.2B | 0.20% | |
| 44 | —CONSTELLATION PHARMACEUTICALS INC | 280,000 | $1.9B | 0.17% | |
| 45 | —FORTY SEVEN INC | 99,000 | $1.5B | 0.13% | |
| 46 | —CHIASMA INC | 379,753 | $1.4B | 0.12% | |
| 47 | INFIQINFINITY PHARMACEUTICALS INC | 462,068 | $1.3B | 0.11% | |
| 48 | —APTINYX INC | 41,037 | $1.2B | 0.11% | |
| 49 | ARVNARVINAS INC | 50,000 | $844.0M | 0.08% | |
| 50 | ERYP1EURERYTECH PHARMA | 69,569 | $590.0M | 0.05% |