EcoR1 Capital, LLC Q1 2017 Filing
Filed May 15, 2017
Portfolio Value
$395.6B
Holdings
33
Report Date
Q1 2017
Filing Type
13F-HR
All Holdings (33 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | ASMBASSEMBLY BIOSCIENCES INC | 2,943,164 | $75.0B | 18.97% | |
| 2 | IRWDIRONWOOD PHARMACEUTICALS INC | 2,905,515 | $49.6B | 12.53% | |
| 3 | GLPGGALAPAGOS NV | 551,041 | $47.5B | 12.01% | |
| 4 | GILDGILEAD SCIENCES INC | 500,000 | $34.0B | 8.59% | Call |
| 5 | ASNDASCENDIS PHARMA A S | 1,025,700 | $28.7B | 7.26% | |
| 6 | KURAKURA ONCOLOGY INC COM | 2,611,906 | $23.0B | 5.81% | |
| 7 | INVA 2.125 01/15/23THERAVANCE BIOPHARMA INC | 17,000,000 | $21.4B | 5.42% | |
| 8 | ACRSACLARIS THERAPEUTICS INC | 673,100 | $20.1B | 5.07% | |
| 9 | CTMXCYTOMX THERAPEUTICS INC | 794,969 | $13.7B | 3.47% | |
| 10 | —CASCADIAN THERAPEUTICS INC | 3,000,000 | $12.4B | 3.14% | |
| 11 | FATEFATE THERAPEUTICS INC | 2,537,026 | $11.5B | 2.92% | |
| 12 | ATRAGBXATARA BIOTHERAPEUTICS INC | 434,812 | $8.9B | 2.26% | |
| 13 | —ATYR PHARMA INC | 2,292,659 | $8.0B | 2.03% | |
| 14 | —OVASCIENCE INC | 3,512,332 | $6.6B | 1.66% | |
| 15 | JNCEEURJOUNCE THERAPEUTICS INC | 258,457 | $5.7B | 1.44% | |
| 16 | XNCRXENCOR INC | 234,813 | $5.6B | 1.42% | |
| 17 | —KINDRED BIOSCIENCES INC | 544,880 | $3.8B | 0.97% | |
| 18 | —NABRIVA THERAPEUTICS AG | 264,773 | $3.2B | 0.80% | |
| 19 | —REGULUS THERAPEUTICS INC | 1,510,000 | $2.5B | 0.63% | |
| 20 | ADVMCHFADVERUM BIOTECHNOLOGIES INC | 874,447 | $2.4B | 0.60% | |
| 21 | —VERSARTIS INC | 100,000 | $2.1B | 0.54% | |
| 22 | —VIVEVE MED INC | 250,000 | $1.6B | 0.40% | |
| 23 | AGIOAGIOS PHARMACEUTICALS INC | 23,300 | $1.4B | 0.34% | |
| 24 | —DICERNA PHARMACEUTICALS INC | 382,000 | $1.3B | 0.33% | |
| 25 | FGENEURFIBROGEN INC | 42,009 | $1.0B | 0.26% | |
| 26 | —SYROS PHARMACEUTICALS INC | 63,596 | $1.0B | 0.26% | |
| 27 | BMYBRISTOL MYERS SQUIBB CO | 17,060 | $928.0M | 0.23% | |
| 28 | —CHEMOCENTRYX INC | 118,000 | $859.0M | 0.22% | |
| 29 | SNDXSYNDAX PHARMACEUTICALS INC COM | 35,301 | $484.0M | 0.12% | |
| 30 | —CASCADIAN THERAPEUTICS INC | 103,800 | $430.0M | 0.11% | Call |
| 31 | —OREXIGEN THERAPEUTICS INC | 117,726 | $405.0M | 0.10% | |
| 32 | WVEWAVE LIFE SCIENCES LTD | 10,000 | $275.0M | 0.07% | |
| 33 | —FORWARD PHARMA A/S | 5,025 | $108.0M | 0.03% |