EcoR1 Capital, LLC Q4 2016 Filing
Filed February 14, 2017
Portfolio Value
$299.2B
Holdings
30
Report Date
Q4 2016
Filing Type
13F-HR
All Holdings (30 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | IRWDIRONWOOD PHARMACEUTICALS INC | 2,855,515 | $43.7B | 14.59% | |
| 2 | GLPGGALAPAGOS NV | 561,341 | $36.0B | 12.04% | |
| 3 | ASMBASSEMBLY BIOSCIENCES INC | 2,943,164 | $35.8B | 11.95% | |
| 4 | ALXNALEXION PHARMACEUTICALS INC | 162,200 | $19.8B | 6.63% | |
| 5 | ASNDASCENDIS PHARMA A S | 975,700 | $19.7B | 6.60% | |
| 6 | —THERAVANCE BIOPHARMA INC | 17,000,000 | $19.3B | 6.46% | |
| 7 | ARDXARDELYX INC | 1,296,836 | $18.4B | 6.15% | |
| 8 | KURAKURA ONCOLOGY INC | 2,611,906 | $15.4B | 5.15% | |
| 9 | —FIVE PRIME THERAPEUTICS INC | 298,712 | $15.0B | 5.00% | |
| 10 | ACRSACLARIS THERAPEUTICS INC | 414,000 | $11.2B | 3.75% | |
| 11 | —ALLERGAN PLC | 50,000 | $10.5B | 3.51% | Call |
| 12 | EDITEDITAS MEDICINE INC COM | 626,762 | $10.2B | 3.40% | |
| 13 | XNCRXENCOR INC | 375,000 | $9.9B | 3.30% | |
| 14 | CMRXEURCHIMERIX INC | 1,415,687 | $6.5B | 2.18% | |
| 15 | FASTFATE THERAPEUTICS INC | 2,537,026 | $6.4B | 2.13% | |
| 16 | ATRAGBXATARA BIOTHERAPEUTICS INC | 215,812 | $3.1B | 1.02% | |
| 17 | ADVMCHFADVERUM BIOTECHNOLOGIES INC | 874,447 | $2.5B | 0.85% | |
| 18 | —KINDRED BIOSCIENCES INC | 571,126 | $2.4B | 0.81% | |
| 19 | —ATYR PHARMA INC | 976,986 | $2.1B | 0.70% | |
| 20 | SNDXSYNDAX PHARMACEUTICALS INC | 273,862 | $2.0B | 0.66% | |
| 21 | —EGALET CORP | 222,300 | $1.7B | 0.57% | |
| 22 | —NABRIVA THERAPEUTICS AG | 264,773 | $1.6B | 0.53% | |
| 23 | —DERMIRA INC | 43,200 | $1.3B | 0.44% | |
| 24 | AGIOAGIOS PHARMACEUTICALS INC | 23,300 | $972.0M | 0.32% | |
| 25 | —CHEMOCENTRYX INC | 118,000 | $873.0M | 0.29% | |
| 26 | —SYROS PHARMACEUTICALS INC | 63,596 | $773.0M | 0.26% | |
| 27 | CYTKCYTOKINETICS INC | 54,879 | $667.0M | 0.22% | |
| 28 | —BIOPHARMX CORP | 1,342,000 | $502.0M | 0.17% | |
| 29 | BMYBRISTOL MYERS SQUIBB CO | 8,560 | $500.0M | 0.17% | |
| 30 | —CASCADIAN THERAPEUTICS INC | 103,800 | $447.0M | 0.15% | Call |