EcoR1 Capital, LLC Q2 2019 Filing
Filed August 14, 2019
Portfolio Value
$989.6B
Holdings
38
Report Date
Q2 2019
Filing Type
13F-HR
All Holdings (38 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | KURAKURA ONCOLOGY ORD | 5,276,753 | $103.9B | 10.50% | |
| 2 | XNCRXENCOR ORD | 2,336,557 | $95.6B | 9.66% | |
| 3 | ARGXARGENX ADR REP ORD | 581,165 | $82.3B | 8.31% | |
| 4 | FGENEURFIBROGEN ORD | 1,789,285 | $80.8B | 8.17% | Call |
| 5 | CRSPCRISPR THERAPEUTICS ORD | 1,610,250 | $75.8B | 7.66% | |
| 6 | —SPARK THERAPEUTICS ORD | 614,128 | $62.9B | 6.35% | |
| 7 | MRTXEURMIRATI THERAPEUTICS ORD | 597,711 | $61.6B | 6.22% | |
| 8 | —DICERNA PHARMACEUTICALS ORD | 3,316,407 | $52.2B | 5.28% | |
| 9 | IRWDIRONWOOD PHARMA CL A ORD | 4,671,408 | $51.1B | 5.16% | |
| 10 | MORFMORPHIC HOLDING ORD | 2,266,804 | $44.9B | 4.54% | |
| 11 | RAREULTRAGENYX PHARMACEUTICAL ORD | 497,899 | $31.6B | 3.19% | |
| 12 | —PREVAIL THERAPEUTICS ORD | 2,392,556 | $31.6B | 3.19% | |
| 13 | BCELATRECA CL A ORD | 1,486,979 | $28.0B | 2.83% | |
| 14 | —CHIASMA ORD | 3,043,827 | $22.7B | 2.30% | |
| 15 | —HARPOON THERAPEUTICS ORD | 1,348,423 | $17.5B | 1.77% | |
| 16 | GOSSGOSSAMER BIO INC ORD | 772,096 | $17.1B | 1.73% | |
| 17 | —ARQULE ORD | 1,300,000 | $14.3B | 1.45% | |
| 18 | CLDNEUREIGER BIOPHARMACEUTICAL ORD | 1,136,043 | $12.0B | 1.22% | |
| 19 | RCUSARCUS BIOSCIENCES ORD | 1,488,205 | $11.8B | 1.19% | |
| 20 | —UNITY BIOTECHNOLOGY ORD | 1,044,500 | $9.9B | 1.00% | |
| 21 | —CYCLERION THERAPEUTICS ORD | 776,206 | $8.9B | 0.90% | |
| 22 | PRTAPROTHENA ORD | 723,300 | $7.6B | 0.77% | |
| 23 | RUBYUSDRUBIUS THERAPEUTICS ORD | 463,152 | $7.3B | 0.74% | |
| 24 | ASMBASSEMBLY BIOSCIENCES ORD | 498,300 | $6.7B | 0.68% | Call |
| 25 | SURFUSDSURFACE ONCOLOGY ORD | 2,312,688 | $6.5B | 0.66% | |
| 26 | —MERSANA THERAPEUTICS ORD | 1,392,231 | $5.6B | 0.57% | |
| 27 | —CURIS ORD | 2,982,208 | $5.5B | 0.56% | |
| 28 | —AQUINOX PHARMACEUTICALS ORD | 2,265,880 | $5.3B | 0.54% | |
| 29 | RYTMRHYTHM PHARMACEUTICALS ORD | 223,167 | $4.9B | 0.50% | |
| 30 | SLDBSOLID BIOSCIENCES ORD | 827,000 | $4.8B | 0.48% | |
| 31 | NGMUSDNGM BIOPHARMACEUTICALS ORD | 316,900 | $4.6B | 0.47% | |
| 32 | KZRKEZAR LIFE SCIENCES ORD | 583,293 | $4.5B | 0.45% | |
| 33 | —ADURO BIOTECH ORD | 1,761,421 | $2.7B | 0.27% | |
| 34 | VCELVERICEL ORD | 131,001 | $2.5B | 0.25% | |
| 35 | —SYROS PHARMACEUTICALS ORD | 248,480 | $2.3B | 0.23% | |
| 36 | —REGULUS THERAPEUTICS | 1,111,110 | $1.4B | 0.14% | |
| 37 | —GAMIDA CELL ORD | 52,120 | $265.0M | 0.03% | |
| 38 | —TCR2 THERAPEUTICS ORD | 16,114 | $231.0M | 0.02% |