EcoR1 Capital, LLC Q4 2020 Filing
Filed February 16, 2021
Portfolio Value
$1.9T
Holdings
66
Report Date
Q4 2020
Filing Type
13F-HR
All Holdings (66 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | XNCRXENCOR INC | 4,547,072 | $198.4B | 10.67% | |
| 2 | RLAYRELAY THERAPEUTICS INC | 3,200,649 | $133.0B | 7.15% | |
| 3 | STTKSHATTUCK LABS INC | 2,456,854 | $128.8B | 6.92% | |
| 4 | SPRYSILVERBACK THERAPEUTICS INC | 2,533,635 | $117.4B | 6.31% | |
| 5 | PRTAPROTHENA CORP PLC | 9,426,640 | $113.2B | 6.09% | |
| 6 | ORICORIC PHARMACEUTICALS INC | 3,092,218 | $104.7B | 5.63% | |
| 7 | MRTXEURMIRATI THERAPEUTICS INC | 464,298 | $102.0B | 5.48% | |
| 8 | MORFMORPHIC HLDG INC | 2,839,884 | $95.3B | 5.12% | |
| 9 | ANABANAPTYSBIO INC | 3,223,324 | $69.3B | 3.73% | |
| 10 | BIIBBIOGEN INC | 254,100 | $62.2B | 3.34% | Call |
| 11 | SLDBSOLID BIOSCIENCES INC | 7,977,702 | $60.5B | 3.25% | |
| 12 | KURAKURA ONCOLOGY INC | 1,773,037 | $57.9B | 3.11% | |
| 13 | RCUSARCUS BIOSCIENCES INC | 2,195,892 | $57.0B | 3.06% | |
| 14 | RNAAVIDITY BIOSCIENCES INC | 2,103,950 | $53.7B | 2.89% | |
| 15 | NRIXNURIX THERAPEUTICS INC | 1,544,019 | $50.8B | 2.73% | |
| 16 | —NEOLEUKIN THERAPEUTICS INC | 3,122,704 | $44.0B | 2.37% | |
| 17 | BCELATRECA INC | 2,426,685 | $39.2B | 2.11% | |
| 18 | —AKOUOS INC | 1,975,984 | $39.2B | 2.11% | |
| 19 | —APPLIED MOLECULAR TRANS INC | 1,150,000 | $35.4B | 1.90% | |
| 20 | GONGERON CORP | 18,939,925 | $30.1B | 1.62% | |
| 21 | GOSS 5 06/01/27GOSSAMER BIO INC | 30,000,000 | $27.2B | 1.46% | |
| 22 | 290ACHINOOK THERAPEUTICS INC | 1,250,001 | $19.8B | 1.07% | |
| 23 | —ALLOVIR INC | 447,012 | $17.2B | 0.92% | |
| 24 | 2JQGRITSTONE ONCOLOGY INC | 3,421,287 | $13.5B | 0.72% | |
| 25 | ACIUAC IMMUNE SA | 2,410,240 | $12.5B | 0.67% | |
| 26 | KRON1USDKRONOS BIO INC | 387,357 | $11.6B | 0.62% | |
| 27 | —SYROS PHARMACEUTICALS INC | 1,000,000 | $10.8B | 0.58% | |
| 28 | —VINCERA PHARMA INC | 480,505 | $10.0B | 0.54% | |
| 29 | ACRSACLARIS THERAPEUTICS INC | 1,509,812 | $9.8B | 0.53% | |
| 30 | NVLSEURALPINE IMMUNE SCIENCES INC | 741,290 | $9.3B | 0.50% | |
| 31 | —BCTG ACQUISITION CORP | 800,000 | $9.2B | 0.49% | |
| 32 | 5E7ITEOS THERAPEUTICS INC | 260,000 | $8.8B | 0.47% | |
| 33 | —DEERFIELD HEALTHCARE TECH AC | 481,600 | $7.5B | 0.40% | |
| 34 | CERE1EURCEREVEL THERAPEUTICS HLDNG I | 400,000 | $6.6B | 0.36% | |
| 35 | CCCCC4 THERAPEUTICS INC | 200,000 | $6.6B | 0.36% | |
| 36 | KYMRKYMERA THERAPEUTICS INC | 100,000 | $6.2B | 0.33% | |
| 37 | —LOGICBIO THERAPEUTICS INC | 775,000 | $5.9B | 0.32% | |
| 38 | —JIYA ACQUISITION CORP | 500,000 | $5.2B | 0.28% | |
| 39 | —HEALTH SCIENCES ACQ CORP 2 ORD | 400,000 | $5.1B | 0.28% | |
| 40 | —PANACEA ACQUISITION CORP | 390,000 | $5.0B | 0.27% | |
| 41 | —CYCLERION THERAPEUTICS INC | 1,606,276 | $4.9B | 0.26% | |
| 42 | GLPGGALAPAGOS NV | 46,666 | $4.6B | 0.25% | |
| 43 | DYNDYNE THERAPEUTICS INC | 215,000 | $4.5B | 0.24% | |
| 44 | NGMUSDNGM BIOPHARMACEUTICALS INC | 143,567 | $4.3B | 0.23% | |
| 45 | —CODIAK BIOSCIENCES INC | 115,195 | $3.7B | 0.20% | |
| 46 | —VINCERA PHARMA INC | 150,000 | $3.1B | 0.17% | |
| 47 | PMVPPMV PHARMACEUTICALS INC | 50,000 | $3.1B | 0.17% | |
| 48 | GOSSGOSSAMER BIO INC | 294,221 | $2.8B | 0.15% | |
| 49 | —METACRINE INC | 333,332 | $2.6B | 0.14% | |
| 50 | MLTXHELIX ACQUISITION CORP | 200,000 | $2.3B | 0.12% | |
| 51 | —BCLS ACQUISITION CORP | 200,000 | $2.2B | 0.12% | |
| 52 | —LIFESCI ACQUISITION II CORP | 200,000 | $2.1B | 0.11% | |
| 53 | —EUCRATES BIOMEDICAL ACQU COR | 200,000 | $2.1B | 0.11% | |
| 54 | —CONSONANCE HFW ACQUISITION C | 200,000 | $2.1B | 0.11% | |
| 55 | —FRAZIER LIFESCIENCES ACQU CO | 200,000 | $2.1B | 0.11% | |
| 56 | —5 01 ACQUISITION CORP | 200,000 | $2.0B | 0.11% | |
| 57 | STROSUTRO BIOPHARMA INC | 93,416 | $2.0B | 0.11% | |
| 58 | RPTXREPARE THERAPEUTICS INC | 50,000 | $1.7B | 0.09% | |
| 59 | BCABBIOATLA INC | 50,000 | $1.7B | 0.09% | |
| 60 | —DEERFIELD HEALTHCARE TECH AC | 100,000 | $1.6B | 0.08% | |
| 61 | MGTXMEIRAGTX HLDGS PLC | 94,819 | $1.4B | 0.08% | |
| 62 | —TURMERIC ACQUISITION CORP | 100,000 | $1.0B | 0.06% | |
| 63 | —KINNATE BIOPHARMA INC | 25,000 | $995.0M | 0.05% | |
| 64 | ICPTUSDINTERCEPT PHARMACEUTICALS IN | 25,300 | $625.0M | 0.03% | Call |
| 65 | SURFUSDSURFACE ONCOLOGY INC | 48,558 | $449.0M | 0.02% | |
| 66 | ASMBASSEMBLY BIOSCIENCES INC | 17,800 | $108.0M | 0.01% | Call |