SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 189 filers reported holding SPARK THERAPEUTICS INC in Q3 2019. The put-call ratio across all filers is 0.96 and the average weighting 0.8%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $2,206,000 | +325.9% | 61,739 | -47.0% | 0.18% | +350.0% |
| Q2 2019 | $518,000 | -9.1% | 116,500 | +55.5% | 0.04% | -21.6% |
| Q1 2019 | $570,000 | -58.9% | 74,900 | -10.7% | 0.05% | -42.0% |
| Q4 2018 | $1,386,000 | +687.5% | 83,858 | +127.9% | 0.09% | +700.0% |
| Q3 2018 | $176,000 | +18.9% | 36,800 | +31.4% | 0.01% | +57.1% |
| Q2 2018 | $148,000 | -85.3% | 28,000 | -73.5% | 0.01% | -86.3% |
| Q1 2018 | $1,008,000 | -75.1% | 105,700 | -23.8% | 0.05% | -70.0% |
| Q4 2017 | $4,047,000 | +953.9% | 138,760 | +684.0% | 0.17% | +750.0% |
| Q3 2015 | $384,000 | +163.0% | 17,700 | +75.2% | 0.02% | +122.2% |
| Q2 2015 | $146,000 | – | 10,100 | – | 0.01% | – |
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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% |