SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 1 filers reported holding SPARK THERAPEUTICS INC in Q3 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $0 | – | 0 | – | 0.00% | – |
| Q1 2021 | $0 | – | 0 | – | 0.00% | – |
| Q4 2020 | $0 | – | 0 | – | 0.00% | – |
| Q3 2020 | $0 | – | 0 | – | 0.00% | – |
| Q2 2020 | $0 | – | 0 | – | 0.00% | – |
| Q1 2020 | $0 | – | 0 | – | 0.00% | – |
| Q3 2019 | $0 | -100.0% | 0 | -100.0% | 0.00% | -100.0% |
| Q4 2018 | $32,000 | -33.3% | 825 | -5.7% | 0.00% | 0.0% |
| Q3 2018 | $48,000 | -56.0% | 875 | -33.8% | 0.00% | -60.0% |
| Q2 2018 | $109,000 | +289.3% | 1,322 | +139.5% | 0.01% | +400.0% |
| Q1 2018 | $28,000 | 0.0% | 552 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $28,000 | -86.7% | 552 | -76.5% | 0.00% | -88.9% |
| Q3 2017 | $210,000 | +854.5% | 2,352 | +540.9% | 0.01% | +800.0% |
| Q2 2017 | $22,000 | -50.0% | 367 | -55.5% | 0.00% | -50.0% |
| Q1 2017 | $44,000 | -25.4% | 825 | -29.8% | 0.00% | -33.3% |
| Q4 2016 | $59,000 | -13.2% | 1,175 | +4.4% | 0.00% | -25.0% |
| Q3 2016 | $68,000 | +11.5% | 1,125 | -6.2% | 0.00% | +33.3% |
| Q2 2016 | $61,000 | +577.8% | 1,200 | +500.0% | 0.00% | +200.0% |
| Q4 2015 | $9,000 | – | 200 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sofinnova Management VIII, L.L.C. | 904,986 | $45,159,000 | 25.41% |
| Casdin Capital, LLC | 128,500 | $6,412,000 | 5.30% |
| Rock Springs Capital Management LP | 625,000 | $31,188,000 | 2.09% |
| Bain Capital Public Equity Management, LLC | 656,226 | $32,746,000 | 1.14% |
| Ghost Tree Capital, LLC | 80,000 | $3,992,000 | 0.96% |
| Baker Brothers Advisors | 1,318,341 | $65,785,000 | 0.64% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 283,000 | $14,122,000 | 0.58% |
| Eventide Asset Management | 150,000 | $7,485,000 | 0.49% |
| Endurant Capital Management LP | 14,800 | $739,000 | 0.30% |
| HIGHLAND CAPITAL MANAGEMENT LP | 112,000 | $5,589,000 | 0.26% |