EcoR1 Capital, LLC Q4 2019 Filing
Filed February 14, 2020
Portfolio Value
$1.1T
Holdings
43
Report Date
Q4 2019
Filing Type
13F-HR
All Holdings (43 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | PRTAPROTHENA CORP PLC | 9,426,640 | $149.2B | 13.67% | |
| 2 | FGENEURFIBROGEN INC | 2,168,721 | $93.0B | 8.52% | Call |
| 3 | —DICERNA PHARMACEUTICALS INC | 3,627,597 | $79.9B | 7.32% | |
| 4 | XNCRXENCOR INC | 1,979,783 | $68.1B | 6.24% | |
| 5 | KURAKURA ONCOLOGY INC | 4,241,953 | $58.3B | 5.34% | |
| 6 | IRWDIRONWOOD PHARMACEUTICALS INC | 4,371,408 | $58.2B | 5.33% | |
| 7 | ARVNARVINAS INC | 1,339,069 | $55.0B | 5.04% | |
| 8 | ASMBASSEMBLY BIOSCIENCES INC | 2,388,268 | $48.9B | 4.48% | |
| 9 | —NEOLEUKIN THERAPEUTICS INC | 3,915,880 | $48.2B | 4.42% | |
| 10 | MORFMORPHIC HLDG INC | 2,154,845 | $37.0B | 3.39% | |
| 11 | —PREVAIL THERAPEUTICS INC | 2,248,306 | $35.6B | 3.26% | |
| 12 | ARGXARGENX SE | 202,117 | $32.4B | 2.97% | |
| 13 | ANABANAPTYSBIO INC | 1,966,100 | $31.9B | 2.93% | |
| 14 | IPHAINNATE PHARMA S A | 4,545,454 | $29.3B | 2.68% | |
| 15 | BMRNBIOMARIN PHARMACEUTICAL INC | 312,500 | $26.4B | 2.42% | Call |
| 16 | MRUSMERUS N V | 1,718,200 | $24.2B | 2.22% | |
| 17 | BCELATRECA INC | 1,481,411 | $22.9B | 2.10% | |
| 18 | ACADACADIA PHARMACEUTICALS INC | 500,000 | $21.4B | 1.96% | |
| 19 | —CHIASMA INC | 3,043,827 | $15.1B | 1.38% | |
| 20 | —HARPOON THERAPEUTICS INC | 908,547 | $13.4B | 1.23% | |
| 21 | SG7SAGE THERAPEUTICS INC | 173,364 | $12.5B | 1.15% | |
| 22 | RAREULTRAGENYX PHARMACEUTICAL IN | 261,554 | $11.2B | 1.02% | |
| 23 | SELBUSDSELECTA BIOSCIENCES INC | 4,597,701 | $10.9B | 1.00% | |
| 24 | —EXICURE INC | 3,544,186 | $10.1B | 0.93% | |
| 25 | PIRSPIERIS PHARMACEUTICALS INC | 2,535,212 | $9.2B | 0.84% | |
| 26 | FATEFATE THERAPEUTICS INC | 451,354 | $8.8B | 0.81% | |
| 27 | MRTXEURMIRATI THERAPEUTICS INC | 65,000 | $8.4B | 0.77% | |
| 28 | RCUSARCUS BIOSCIENCES INC | 729,905 | $7.4B | 0.68% | |
| 29 | EOLSEVOLUS INC | 600,000 | $7.3B | 0.67% | |
| 30 | CLDNEUREIGER BIOPHARMACEUTICALS INC | 449,338 | $6.7B | 0.61% | |
| 31 | YB4PSAVARA INC | 1,432,664 | $6.4B | 0.59% | |
| 32 | IOVAIOVANCE BIOTHERAPEUTICS INC | 213,647 | $5.9B | 0.54% | |
| 33 | RUBYUSDRUBIUS THERAPEUTICS INC | 525,877 | $5.0B | 0.46% | |
| 34 | —CYCLERION THERAPEUTICS INC | 1,811,000 | $4.9B | 0.45% | |
| 35 | ASNSUSDX4 PHARMACEUTICALS INC | 415,400 | $4.4B | 0.41% | |
| 36 | CRVSCORVUS PHARMACEUTICALS INC | 737,612 | $4.0B | 0.37% | |
| 37 | ACRSACLARIS THERAPEUTICS INC | 2,087,312 | $3.9B | 0.36% | |
| 38 | 1K0IGM BIOSCIENCES INC | 100,000 | $3.8B | 0.35% | |
| 39 | —TCR2 THERAPEUTICS INC | 239,500 | $3.4B | 0.31% | |
| 40 | CTMXCYTOMX THERAPEUTICS INC | 410,000 | $3.4B | 0.31% | |
| 41 | SURFUSDSURFACE ONCOLOGY INC | 1,301,713 | $2.4B | 0.22% | |
| 42 | VCELVERICEL CORP | 131,001 | $2.3B | 0.21% | |
| 43 | —UROVANT SCIENCES LTD | 26,468 | $411.0M | 0.04% |