SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 117 filers reported holding SPARK THERAPEUTICS INC in Q2 2016. The put-call ratio across all filers is 0.13 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $485,000 | -5.3% | 5,000 | 0.0% | 0.03% | -9.7% |
| Q2 2019 | $512,000 | -10.0% | 5,000 | 0.0% | 0.03% | -11.4% |
| Q1 2019 | $569,000 | +108.4% | 5,000 | 0.0% | 0.04% | +118.8% |
| Q3 2018 | $273,000 | -34.1% | 5,000 | 0.0% | 0.02% | -38.5% |
| Q2 2018 | $414,000 | +24.3% | 5,000 | 0.0% | 0.03% | +23.8% |
| Q1 2018 | $333,000 | +29.6% | 5,000 | 0.0% | 0.02% | +23.5% |
| Q4 2017 | $257,000 | -42.4% | 5,000 | 0.0% | 0.02% | -45.2% |
| Q3 2017 | $446,000 | +49.2% | 5,000 | 0.0% | 0.03% | +40.9% |
| Q2 2017 | $299,000 | +12.0% | 5,000 | 0.0% | 0.02% | +4.8% |
| Q1 2017 | $267,000 | +6.8% | 5,000 | 0.0% | 0.02% | 0.0% |
| Q4 2016 | $250,000 | -16.7% | 5,000 | 0.0% | 0.02% | -19.2% |
| Q3 2016 | $300,000 | +17.2% | 5,000 | 0.0% | 0.03% | +13.0% |
| Q2 2016 | $256,000 | +12.8% | 5,000 | 0.0% | 0.02% | +9.5% |
| Q4 2015 | $227,000 | – | 5,000 | – | 0.02% | – |
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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% |