$2.87 Billion is the total value of EcoR1 Capital, LLC's 71 reported holdings in Q3 2021. The portfolio turnover from Q2 2021 to Q3 2021 was 100.0% .
| Value | Shares | ↓ Weighting | ||||||
|---|---|---|---|---|---|---|---|---|
| RCUS | Buy | ARCUS BIOSCIENCES INC | $178,617,000 | +95.0% | 5,122,359 | +53.6% | 6.21% | +81.5% |
| ALEC | Buy | ALECTOR INC | $113,985,000 | +29.0% | 4,994,970 | +17.7% | 3.96% | +20.0% |
| GLPG | New | GALAPAGOS NVspon adr | $82,006,000 | – | 1,558,749 | +100.0% | 2.85% | – |
| STTK | Buy | SHATTUCK LABS INC | $75,591,000 | -21.4% | 3,709,072 | +11.8% | 2.63% | -26.8% |
| ORIC | Buy | ORIC PHARMACEUTICALS INC | $72,536,000 | +32.6% | 3,468,944 | +12.2% | 2.52% | +23.4% |
| RNA | Buy | AVIDITY BIOSCIENCES INC | $67,967,000 | +30.7% | 2,759,505 | +31.2% | 2.36% | +21.7% |
| GRTS | Buy | GRITSTONE BIO INC | $60,056,000 | +92.3% | 5,560,748 | +62.5% | 2.09% | +79.0% |
| ITOS | Buy | ITEOS THERAPEUTICS INC | $35,185,000 | +32.4% | 1,303,157 | +25.8% | 1.22% | +23.3% |
| DSGN | Buy | DESIGN THERAPEUTICS INC | $27,369,000 | +9.2% | 1,863,098 | +47.9% | 0.95% | +1.6% |
| BPMC | New | BLUEPRINT MEDICINES CORPcall | $25,933,000 | – | 250,000 | +100.0% | 0.90% | – |
| PTGX | New | PROTAGONIST THERAPEUTICS INC | $25,584,000 | – | 1,443,800 | +100.0% | 0.89% | – |
| DRNA | New | DICERNA PHARMACEUTICALS INC | $25,196,000 | – | 1,249,812 | +100.0% | 0.88% | – |
| EWTX | Buy | EDGEWISE THERAPEUTICS INC | $21,234,000 | -18.7% | 1,279,175 | +4.5% | 0.74% | -24.3% |
| New | TANGO THERAPEUTICS INC | $16,809,000 | – | 1,300,000 | +100.0% | 0.58% | – | |
| BLUE | New | BLUEBIRD BIO INC | $15,336,000 | – | 802,507 | +100.0% | 0.53% | – |
| New | ERASCA INC | $14,854,000 | – | 700,000 | +100.0% | 0.52% | – | |
| ODT | Buy | ODONATE THERAPEUTICS INC | $10,846,000 | +273.9% | 3,727,261 | +348.4% | 0.38% | +249.1% |
| IMVT | New | IMMUNOVANT INC | $9,914,000 | – | 1,140,819 | +100.0% | 0.34% | – |
| FLAC | Buy | FRAZIER LIFESCIENCES ACQU CO | $5,770,000 | +194.8% | 587,615 | +193.1% | 0.20% | +175.3% |
| NGM | New | NGM BIOPHARMACEUTICALS INCcall | $5,000,000 | – | 245,000 | +100.0% | 0.17% | – |
| KNTE | Buy | KINNATE BIOPHARMA INC | $4,029,000 | +592.3% | 175,000 | +600.0% | 0.14% | +536.4% |
| FSII | Buy | FS DEVELOPMENT CORP II | $3,692,000 | +146.6% | 371,014 | +147.3% | 0.13% | +128.6% |
| New | CARIBOU BIOSCIENCES INC | $1,790,000 | – | 75,000 | +100.0% | 0.06% | – | |
| VYGR | New | VOYAGER THERAPEUTICS INC | $1,173,000 | – | 445,992 | +100.0% | 0.04% | – |
| New | SURROZEN INC*w exp 10/28/2025 | $471,000 | – | 66,665 | +100.0% | 0.02% | – | |
| SRRK | New | SCHOLAR ROCK HLDG CORP | $271,000 | – | 8,208 | +100.0% | 0.01% | – |
Original filings
The following EDGAR filing(s) were analyzed to create this report:
- View 13F-HR/A filed 2021-11-22
Top long-term holdings
| Name | Quarters owned | Latest quarter owned | Max weighting |
|---|---|---|---|
| KURA ONCOLOGY ORD | 32 | Q3 2023 | 10.5% |
| XENCOR ORD | 25 | Q3 2023 | 12.6% |
| ASSEMBLY BIOSCIENCES ORD | 23 | Q3 2020 | 19.0% |
| FIBROGEN ORD | 22 | Q1 2020 | 12.4% |
| PROTHENA ORD | 20 | Q3 2023 | 28.0% |
| IRONWOOD PHARMA CL A ORD | 20 | Q1 2020 | 13.9% |
| GALAPAGOS NV SPON ADR | 19 | Q3 2023 | 12.0% |
| MORPHIC HOLDING ORD | 18 | Q3 2023 | 8.5% |
| ARCUS BIOSCIENCES ORD | 17 | Q1 2022 | 7.1% |
| ANAPTYSBIO INC | 16 | Q3 2023 | 8.3% |
View EcoR1 Capital, LLC's complete holdings history.
Latest significant ownerships (13-D/G)
| Filed | Shares | Percentage | |
|---|---|---|---|
| Mersana Therapeutics, Inc. | July 27, 2023 | 19,364,688 | 16.9% |
| TScan Therapeutics, Inc. | June 05, 2023 | 5,000,000 | 11.7% |
| 2seventy bio, Inc. | February 14, 2023 | 1,143,494 | 3.0% |
| Avidity Biosciences, Inc.Sold out | February 14, 2023 | 0 | 0.0% |
| Surface Oncology, Inc. | February 13, 2023 | 3,924,713 | 6.5% |
| Akouos, Inc.Sold out | February 10, 2023 | 0 | 0.0% |
| Alector, Inc. | February 10, 2023 | 4,056,548 | 4.9% |
| Arcus Biosciences, Inc.Sold out | February 10, 2023 | 0 | 0.0% |
| Gritstone bio, Inc.Sold out | February 10, 2023 | 0 | 0.0% |
| Ovid Therapeutics Inc. | February 10, 2023 | 6,117,400 | 8.7% |
View EcoR1 Capital, LLC's complete significant-ownership history.
Latest filings
| Type | Filed |
|---|---|
| SC 13G | 2024-05-03 |
| SC 13G/A | 2024-04-08 |
| 3 | 2024-03-26 |
| SC 13G/A | 2024-03-26 |
| SC 13G | 2024-03-11 |
| SC 13D | 2024-02-22 |
| SC 13G | 2024-02-16 |
| 13F-HR | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
| SC 13G/A | 2024-02-14 |
View EcoR1 Capital, LLC's complete filings history.
All filings
- Holdings (13F-HR)
- Significant ownership (13-D/G)
- Insider transactions (4, 5, 6)
- Events (8-K)
- Shareholder votes (proxy)
View complete filings history.