EcoR1 Capital, LLC Q3 2017 Filing
Filed November 14, 2017
Portfolio Value
$750.3B
Holdings
39
Report Date
Q3 2017
Filing Type
13F-HR
All Holdings (39 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | ASMBASSEMBLY BIOSCIENCES INC | 2,943,164 | $102.8B | 13.70% | |
| 2 | FGENEURFIBROGEN INC | 1,735,677 | $93.4B | 12.45% | |
| 3 | IRWDIRONWOOD PHARMACEUTICALS INC | 5,459,583 | $86.1B | 11.47% | |
| 4 | ASNDASCENDIS PHARMA A S | 2,107,600 | $76.4B | 10.18% | |
| 5 | KURAKURA ONCOLOGY INC COM | 3,766,852 | $56.3B | 7.51% | |
| 6 | —IMMUNOMEDICS INC | 2,860,019 | $40.0B | 5.33% | |
| 7 | —MYOKARDIA INC | 689,986 | $29.6B | 3.94% | |
| 8 | GLPGGALAPAGOS NV SPON ADR | 240,776 | $24.5B | 3.27% | |
| 9 | —MARINUS PHARMACEUTICALS INC | 3,622,271 | $21.3B | 2.83% | |
| 10 | —ATYR PHARMA INC | 3,934,849 | $19.9B | 2.65% | |
| 11 | —TOCAGEN INC | 1,502,373 | $18.7B | 2.49% | |
| 12 | ARRYEURARRAY BIOPHARMA INC | 1,250,000 | $15.4B | 2.05% | |
| 13 | CTMXCYTOMX THERAPEUTICS INC | 829,771 | $15.1B | 2.01% | |
| 14 | CRVSCORVUS PHARMACEUTICALS INC | 908,525 | $14.5B | 1.93% | |
| 15 | —INTEC PHARMA LTD JERUSALEM | 1,500,000 | $13.4B | 1.79% | |
| 16 | IM8NINSMED INC | 405,400 | $12.7B | 1.69% | |
| 17 | WVEWAVE LIFE SCIENCES LTD | 564,248 | $12.3B | 1.64% | |
| 18 | —CASCADIAN THERAPEUTICS INC | 3,000,000 | $12.3B | 1.64% | |
| 19 | VRTXVERTEX PHARMACEUTICALS INC | 67,600 | $10.3B | 1.37% | Call |
| 20 | IRWDIRONWOOD PHARMACEUTICALS INC | 620,000 | $9.8B | 1.30% | Call |
| 21 | OMEROMEROS CORP | 450,000 | $9.7B | 1.30% | |
| 22 | FATEFATE THERAPEUTICS INC | 2,262,678 | $9.0B | 1.19% | |
| 23 | —REGULUS THERAPEUTICS INC | 5,239,225 | $6.5B | 0.87% | |
| 24 | —DICERNA PHARMACEUTICALS INC | 957,992 | $5.5B | 0.73% | |
| 25 | —OVASCIENCE INC | 3,512,332 | $5.0B | 0.66% | |
| 26 | ZLABZAI LAB LIMITED | 159,535 | $4.3B | 0.57% | |
| 27 | —KINDRED BIOSCIENCES INC | 544,880 | $4.3B | 0.57% | |
| 28 | GBYSANGAMO BIOSCIENCES INC | 222,388 | $3.3B | 0.44% | |
| 29 | —CLEMENTIA PHARMACEUTICALS INC | 194,166 | $3.3B | 0.44% | |
| 30 | ADVMCHFADVERUM BIOTECHNOLOGIES INC | 762,947 | $2.8B | 0.37% | |
| 31 | CLVSEURCLOVIS ONCOLOGY INC | 25,765 | $2.1B | 0.28% | |
| 32 | XNCRXENCOR INC | 90,114 | $2.1B | 0.28% | |
| 33 | SGENEURSEATTLE GENETICS INC | 30,000 | $1.6B | 0.22% | |
| 34 | ACRSACLARIS THERAPEUTICS INC | 60,000 | $1.5B | 0.21% | |
| 35 | —SYROS PHARMACEUTICALS INC | 104,000 | $1.5B | 0.20% | |
| 36 | BMYBRISTOL MYERS SQUIBB CO | 17,060 | $1.1B | 0.14% | |
| 37 | ONCBEIGENE LTD SPONSORED ADR | 9,800 | $1.0B | 0.13% | |
| 38 | DCPHEURDECIPHERA PHARMACEUTICALS INC | 45,000 | $855.0M | 0.11% | |
| 39 | —SPRING BK PHARMACEUTICALS INC | 16,000 | $269.0M | 0.04% |