SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 207 filers reported holding SPARK THERAPEUTICS INC in Q1 2019. The put-call ratio across all filers is 5.87 and the average weighting 1.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $23,953,000 | -84.3% | 210,339 | -94.6% | 0.00% | -85.7% |
| Q4 2018 | $152,316,000 | -41.8% | 3,891,577 | -18.9% | 0.02% | -27.6% |
| Q3 2018 | $261,820,000 | -42.9% | 4,799,650 | -13.3% | 0.03% | -45.3% |
| Q2 2018 | $458,206,000 | +27.6% | 5,536,564 | +2.6% | 0.05% | +23.3% |
| Q1 2018 | $359,196,000 | +25.8% | 5,394,136 | -2.8% | 0.04% | +30.3% |
| Q4 2017 | $285,423,000 | -40.4% | 5,550,816 | +3.3% | 0.03% | -43.1% |
| Q3 2017 | $479,120,000 | +71.9% | 5,373,717 | +15.2% | 0.06% | +65.7% |
| Q2 2017 | $278,760,000 | +12.2% | 4,666,218 | +0.2% | 0.04% | +9.4% |
| Q1 2017 | $248,386,000 | +7.8% | 4,656,655 | +0.9% | 0.03% | +3.2% |
| Q4 2016 | $230,336,000 | -16.5% | 4,615,957 | +0.5% | 0.03% | -16.2% |
| Q3 2016 | $275,866,000 | +19.9% | 4,593,173 | +2.1% | 0.04% | +19.4% |
| Q2 2016 | $230,051,000 | +91.7% | 4,499,326 | +10.6% | 0.03% | +82.4% |
| Q1 2016 | $120,001,000 | -34.1% | 4,066,458 | +1.2% | 0.02% | -32.0% |
| Q4 2015 | $182,126,000 | +18.5% | 4,019,544 | +9.1% | 0.02% | +13.6% |
| Q3 2015 | $153,734,000 | -9.4% | 3,684,006 | +30.8% | 0.02% | 0.0% |
| Q2 2015 | $169,713,000 | +39.4% | 2,815,873 | +79.2% | 0.02% | +37.5% |
| Q1 2015 | $121,789,000 | – | 1,571,477 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Casdin Capital, LLC | 93,500 | $5,616,000 | 4.55% |
| Rock Springs Capital Management LP | 625,000 | $37,538,000 | 2.35% |
| Bain Capital Public Equity Management, LLC | 367,314 | $22,061,000 | 1.43% |
| EcoR1 Capital, LLC | 68,600 | $4,120,000 | 1.26% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 368,000 | $22,102,000 | 1.03% |
| Baker Brothers Advisors | 1,318,341 | $79,180,000 | 0.72% |
| Eventide Asset Management | 150,000 | $9,009,000 | 0.55% |
| FEDERATED HERMES, INC. | 1,633,900 | $98,132,000 | 0.28% |
| Iguana Healthcare Management, LLC | 25,000 | $1,502,000 | 0.27% |
| BAILARD, INC. | 40,600 | $2,442,000 | 0.22% |