EcoR1 Capital, LLC Q1 2018 Filing
Filed May 15, 2018
Portfolio Value
$997.0B
Holdings
31
Report Date
Q1 2018
Filing Type
13F-HR
All Holdings (31 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | ASMBASSEMBLY BIOSCIENCES INC | 2,943,165 | $144.6B | 14.51% | |
| 2 | ASNDASCENDIS PHARMA | 1,822,575 | $119.2B | 11.96% | |
| 3 | FGENEURFIBROGEN INC | 2,002,437 | $92.5B | 9.28% | |
| 4 | IRWDIRONWOOD PHARMACEUTICALS INC | 5,885,583 | $90.8B | 9.11% | |
| 5 | KURAKURA ONCOLOGY INC | 3,766,852 | $70.6B | 7.08% | |
| 6 | WVEWAVE LIFE SCIENCES LTD | 1,459,072 | $58.5B | 5.87% | |
| 7 | ARRYEURARRAY BIOPHARMA INC | 3,049,312 | $49.8B | 4.99% | |
| 8 | —DICERNA PHARMACEUTICALS ORD | 4,764,447 | $45.5B | 4.57% | |
| 9 | MGNXMACROGENICS INC | 1,450,606 | $36.5B | 3.66% | |
| 10 | RCUSARCUS BIOSCIENCES ORD | 2,236,387 | $34.5B | 3.46% | |
| 11 | —CELGENE CORPORATION | 385,000 | $34.3B | 3.44% | Call |
| 12 | APLSAPELLIS PHARMACEUTICALS INC | 1,056,348 | $23.4B | 2.34% | |
| 13 | —FIVE PRIME THERAPEUTICS ORD | 1,240,470 | $21.3B | 2.14% | |
| 14 | URGNUROGEN PHARMA ORD | 402,300 | $20.0B | 2.00% | |
| 15 | —FIBROGEN INC | 325,000 | $15.0B | 1.51% | Call |
| 16 | —IMMUNE DESIGN CORP | 4,437,600 | $14.4B | 1.45% | |
| 17 | AGIOAGIOS PHARMACEUTICALS ORD | 172,952 | $14.1B | 1.42% | |
| 18 | AKBAAKEBIA THERAPEUTICS ORD | 1,425,000 | $13.6B | 1.36% | |
| 19 | —ACHILLION PHARMACEUTICALS INC | 3,668,307 | $13.6B | 1.36% | |
| 20 | —DOVA PHARMACEUTICALS ORD | 429,729 | $11.7B | 1.17% | |
| 21 | —ATYR PHARMA INC | 3,917,972 | $10.6B | 1.06% | |
| 22 | —DBV TECHNOLOGIES ADR REP 0.5 ORD | 450,000 | $10.4B | 1.04% | |
| 23 | IRWDIRONWOOD PHARMACEUTICALS INC | 667,800 | $10.3B | 1.03% | Call |
| 24 | PTGXPROTAGONIST THERAPEUTICS ORD | 1,083,567 | $9.3B | 0.93% | |
| 25 | —SYNLOGIC ORD | 700,000 | $6.6B | 0.66% | |
| 26 | DNLIDENALI THERAPEUTICS INC | 325,000 | $6.4B | 0.64% | |
| 27 | RYTMRHYTHM PHARMACEUTICALS INC | 318,564 | $6.3B | 0.64% | |
| 28 | CRVSCORVUS PHARMACEUTICALS INC | 469,700 | $5.4B | 0.54% | |
| 29 | —NEWLINK GENETICS CORP | 560,000 | $4.1B | 0.41% | Call |
| 30 | —KINDRED BIOSCIENCES INC | 248,680 | $2.2B | 0.22% | |
| 31 | GONGERON ORD | 350,000 | $1.5B | 0.15% |