$3.11 Billion is the total value of EcoR1 Capital, LLC's 58 reported holdings in Q1 2023. The portfolio turnover from Q4 2022 to Q1 2023 was 100.0% .
| Value | Shares | ↓ Weighting | ||||||
|---|---|---|---|---|---|---|---|---|
| ARYD | Exit | ARYA SCIENCES ACQU CORP IVcl a | $0 | – | -150,000 | -100.0% | -0.05% | – |
| Exit | ABEONA THERAPEUTICS INC | $0 | – | -1,086,956 | -100.0% | -0.10% | – | |
| PRAX | Exit | PRAXIS PRECISION MEDICINES I | $0 | – | -1,585,324 | -100.0% | -0.12% | – |
| HSAQ | Exit | HEALTH SCIENCES ACQ CORP 2 | $0 | – | -400,000 | -100.0% | -0.12% | – |
| DTIL | Exit | PRECISION BIOSCIENCES INC | $0 | – | -5,035,971 | -100.0% | -0.18% | – |
| IMTX | Exit | IMMATICS N.V | $0 | – | -743,000 | -100.0% | -0.20% | – |
| DSGN | Exit | DESIGN THERAPEUTICS INC | $0 | – | -884,903 | -100.0% | -0.28% | – |
| BCAB | Exit | BIOATLA INC | $0 | – | -1,124,439 | -100.0% | -0.28% | – |
| AVEO | Exit | AVEO PHARMACEUTICALS INC | $0 | – | -650,489 | -100.0% | -0.30% | – |
| GERN | Exit | GERON CORP | $0 | – | -4,028,507 | -100.0% | -0.30% | – |
| Exit | 2SEVENTY BIO INC | $0 | – | -1,143,494 | -100.0% | -0.33% | – | |
| Exit | VENTYX BIOSCIENCES INC | $0 | – | -400,000 | -100.0% | -0.40% | – | |
| ZLAB | Exit | ZAI LAB LTDadr | $0 | – | -2,157,686 | -100.0% | -2.02% | – |
Original filings
The following EDGAR filing(s) were analyzed to create this report:
- View 13F-HR filed 2023-05-15
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.