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 | $86,000 | +4200.0% | 887 | +4568.4% | 0.01% | – |
| Q2 2019 | $2,000 | -95.9% | 19 | -95.6% | 0.00% | -100.0% |
| Q1 2019 | $49,000 | -78.0% | 433 | -89.4% | 0.00% | -81.2% |
| Q3 2018 | $223,000 | +22200.0% | 4,085 | +37036.4% | 0.02% | – |
| Q2 2018 | $1,000 | -99.1% | 11 | -99.3% | 0.00% | -100.0% |
| Q1 2018 | $110,000 | -58.3% | 1,645 | -44.5% | 0.01% | -59.1% |
| Q3 2017 | $264,000 | +1550.0% | 2,962 | +887.3% | 0.02% | +1000.0% |
| Q1 2017 | $16,000 | -88.0% | 300 | -88.8% | 0.00% | -85.7% |
| Q4 2016 | $133,000 | +533.3% | 2,671 | +672.0% | 0.01% | +600.0% |
| Q3 2016 | $21,000 | – | 346 | – | 0.00% | – |
| Q2 2016 | $0 | -100.0% | 0 | -100.0% | 0.00% | -100.0% |
| Q1 2016 | $142,000 | +545.5% | 4,819 | +875.5% | 0.02% | +425.0% |
| Q4 2015 | $22,000 | -40.5% | 494 | +2.9% | 0.00% | -20.0% |
| Q1 2015 | $37,000 | – | 480 | – | 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% |