$563 Million is the total value of EcoR1 Capital, LLC's 36 reported holdings in Q2 2017. The portfolio turnover from Q1 2017 to Q2 2017 was 87.9% .
| Value | Shares | ↓ Weighting | ||||||
|---|---|---|---|---|---|---|---|---|
| New | ALEXION PHARMACEUTICALS, INCcall | $78,215,000 | – | 569,500 | +100.0% | 13.89% | – | |
| IRWD | Buy | IRONWOOD PHARMACEUTICALS INC | $70,869,000 | +43.0% | 3,753,635 | +29.2% | 12.58% | +0.4% |
| ASMB | ASSEMBLY BIOSCIENCES INC | $60,776,000 | -19.0% | 2,943,164 | 0.0% | 10.79% | -43.1% | |
| FGEN | Buy | FIBROGEN INC | $51,210,000 | +4843.1% | 1,585,457 | +3674.1% | 9.09% | +3370.2% |
| GLPG | Buy | GALAPAGOS NV SPON ADRsponsored adr | $44,267,000 | -6.8% | 578,505 | +5.0% | 7.86% | -34.5% |
| ASND | Buy | ASCENDIS PHARMA A Ssponsored adr | $41,157,000 | +43.3% | 1,482,600 | +44.5% | 7.31% | +0.6% |
| GILEAD SCIENCES INCcall | $38,045,000 | +12.0% | 500,000 | 0.0% | 6.76% | -21.3% | ||
| SGMO | New | SANGAMO BIOSCIENCES INC | $22,599,000 | – | 2,568,119 | +100.0% | 4.01% | – |
| KURA | Sell | KURA ONCOLOGY INC COM | $18,913,000 | -17.7% | 2,033,622 | -22.1% | 3.36% | -42.2% |
| TOCA | New | TOCAGEN INC | $18,074,000 | – | 1,502,373 | +100.0% | 3.21% | – |
| CTMX | CYTOMX THERAPEUTICS INC | $12,322,000 | -10.2% | 794,969 | 0.0% | 2.19% | -37.0% | |
| EDIT | New | EDITAS MEDICINE INC COM | $12,033,000 | – | 717,107 | +100.0% | 2.14% | – |
| CASC | CASCADIAN THERAPEUTICS INC | $11,145,000 | -10.3% | 3,000,000 | 0.0% | 1.98% | -37.0% | |
| CRVS | New | CORVUS PHARMACEUTICALS INC | $9,741,000 | – | 805,000 | +100.0% | 1.73% | – |
| New | VERTEX PHARMACEUTICALS INCcall | $9,109,000 | – | 60,000 | +100.0% | 1.62% | – | |
| FATE | FATE THERAPEUTICS INC | $8,220,000 | -28.8% | 2,537,026 | 0.0% | 1.46% | -50.0% | |
| LIFE | ATYR PHARMA INC | $7,795,000 | -2.9% | 2,292,659 | 0.0% | 1.38% | -31.8% | |
| OVAS | OVASCIENCE INC | $5,479,000 | -16.6% | 3,512,332 | 0.0% | 0.97% | -41.4% | |
| ACRS | Sell | ACLARIS THERAPEUTICS INC | $5,030,000 | -74.9% | 185,472 | -72.4% | 0.89% | -82.4% |
| KIN | KINDRED BIOSCIENCES INC | $4,686,000 | +22.0% | 544,880 | 0.0% | 0.83% | -14.3% | |
| TTPH | New | TETRAPHASE PHARMACEUTICALS INC | $4,516,000 | – | 633,400 | +100.0% | 0.80% | – |
| New | EDITAS MEDICINE INC COMcall | $4,315,000 | – | 255,000 | +100.0% | 0.77% | – | |
| RGLS | Buy | REGULUS THERAPEUTICS INC | $3,656,000 | +46.7% | 3,709,144 | +145.6% | 0.65% | +3.0% |
| ACHN | New | ACHILLION PHARMACEUTICALS INC | $3,410,000 | – | 742,835 | +100.0% | 0.60% | – |
| New | NABRIVA THERAPEUTICS | $2,775,000 | – | 264,773 | +100.0% | 0.49% | – | |
| DRNA | Buy | DICERNA PHARMACEUTICALS INC | $2,435,000 | +87.5% | 767,992 | +101.0% | 0.43% | +31.7% |
| ADVM | ADVERUM BIOTECHNOLOGIES INC | $2,186,000 | -7.4% | 874,447 | 0.0% | 0.39% | -35.0% | |
| NERV | New | MINERVA NEUROSCIENCES INC | $1,981,000 | – | 223,802 | +100.0% | 0.35% | – |
| BHVN | New | BIOHAVEN PHARMACEUTICAL HLDG CO LTD | $1,750,000 | – | 70,000 | +100.0% | 0.31% | – |
| AGIO | AGIOS PHARMACEUTICALS INC | $1,199,000 | -11.9% | 23,300 | 0.0% | 0.21% | -38.1% | |
| CCXI | CHEMOCENTRYX INC | $1,104,000 | +28.5% | 118,000 | 0.0% | 0.20% | -9.7% | |
| BMY | BRISTOL MYERS SQUIBB CO | $951,000 | +2.5% | 17,060 | 0.0% | 0.17% | -28.1% | |
| CLVS | New | CLOVIS ONCOLOGY INC | $936,000 | – | 10,000 | +100.0% | 0.17% | – |
| ALNY | New | ALNYLAM PHARMACEUTICALS INC | $831,000 | – | 10,425 | +100.0% | 0.15% | – |
| SGEN | New | SEATTLE GENETICS INC | $776,000 | – | 15,000 | +100.0% | 0.14% | – |
| PETX | New | ARATANA THERAPEUTICS INC | $723,000 | – | 100,000 | +100.0% | 0.13% | – |
| FWP | Exit | FORWARD PHARMA A/Ssponsored adr | $0 | – | -5,025 | -100.0% | -0.03% | – |
| WVE | Exit | WAVE LIFE SCIENCES LTD | $0 | – | -10,000 | -100.0% | -0.07% | – |
| OREXQ | Exit | OREXIGEN THERAPEUTICS INC | $0 | – | -117,726 | -100.0% | -0.10% | – |
| Exit | CASCADIAN THERAPEUTICS INCcall | $0 | – | -103,800 | -100.0% | -0.11% | – | |
| SNDX | Exit | SYNDAX PHARMACEUTICALS INC COM | $0 | – | -35,301 | -100.0% | -0.12% | – |
| SYRS | Exit | SYROS PHARMACEUTICALS INC | $0 | – | -63,596 | -100.0% | -0.26% | – |
| VIVE | Exit | VIVEVE MED INC | $0 | – | -250,000 | -100.0% | -0.40% | – |
| VSAR | Exit | VERSARTIS INC | $0 | – | -100,000 | -100.0% | -0.54% | – |
| NBRV | Exit | NABRIVA THERAPEUTICS AGsponsored adr | $0 | – | -264,773 | -100.0% | -0.80% | – |
| XNCR | Exit | XENCOR INC | $0 | – | -234,813 | -100.0% | -1.42% | – |
| JNCE | Exit | JOUNCE THERAPEUTICS INC | $0 | – | -258,457 | -100.0% | -1.44% | – |
| ATRA | Exit | ATARA BIOTHERAPEUTICS INC | $0 | – | -434,812 | -100.0% | -2.26% | – |
| Exit | THERAVANCE BIOPHARMA INCnote | $0 | – | -17,000,000 | -100.0% | -5.42% | – |
Original filings
The following EDGAR filing(s) were analyzed to create this report:
- View 13F-HR filed 2017-08-14
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/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 |
| 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.