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 | $13,940,000 | -23.2% | 143,737 | -18.9% | 0.01% | -25.0% |
| Q2 2019 | $18,142,000 | +63.5% | 177,203 | +81.9% | 0.02% | +60.0% |
| Q1 2019 | $11,095,000 | +826.1% | 97,419 | +218.4% | 0.01% | +900.0% |
| Q4 2018 | $1,198,000 | -11.2% | 30,599 | +23.8% | 0.00% | 0.0% |
| Q3 2018 | $1,349,000 | -82.9% | 24,724 | -74.0% | 0.00% | -87.5% |
| Q2 2018 | $7,883,000 | -20.3% | 95,253 | -35.8% | 0.01% | -11.1% |
| Q1 2018 | $9,885,000 | +34.3% | 148,446 | +3.7% | 0.01% | +28.6% |
| Q4 2017 | $7,359,000 | +22.4% | 143,106 | +112.3% | 0.01% | +16.7% |
| Q3 2017 | $6,010,000 | +90.3% | 67,405 | +27.5% | 0.01% | +100.0% |
| Q2 2017 | $3,158,000 | +28.2% | 52,870 | +14.5% | 0.00% | +50.0% |
| Q1 2017 | $2,463,000 | +110.2% | 46,174 | +96.7% | 0.00% | +100.0% |
| Q4 2016 | $1,172,000 | -23.9% | 23,477 | -8.5% | 0.00% | 0.0% |
| Q3 2016 | $1,541,000 | +35.3% | 25,656 | +15.3% | 0.00% | 0.0% |
| Q2 2016 | $1,139,000 | +62.9% | 22,259 | -6.0% | 0.00% | 0.0% |
| Q1 2016 | $699,000 | -3.5% | 23,690 | +48.1% | 0.00% | 0.0% |
| Q4 2015 | $724,000 | +13.5% | 15,992 | +50.9% | 0.00% | 0.0% |
| Q2 2015 | $638,000 | +40.5% | 10,601 | +81.2% | 0.00% | – |
| Q1 2015 | $454,000 | – | 5,851 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Casdin Capital, LLC | 170,000 | $5,017,000 | 5.76% |
| Rock Springs Capital Management LP | 580,500 | $17,131,000 | 1.44% |
| Opus Point Partners Management, LLC | 31,500 | $930,000 | 0.72% |
| Bain Capital Public Equity Management, LLC | 424,114 | $12,516,000 | 0.46% |
| Baker Brothers Advisors | 1,262,382 | $37,253,000 | 0.39% |
| MARINER INVESTMENT GROUP LLC | 34,350 | $1,014,000 | 0.28% |
| Eventide Asset Management | 150,000 | $4,427,000 | 0.25% |
| Virtus ETF Advisers LLC | 5,251 | $155,000 | 0.21% |
| EMERALD ADVISERS, LLC | 123,970 | $3,658,000 | 0.18% |
| Endurant Capital Management LP | 17,500 | $516,000 | 0.17% |