SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 164 filers reported holding SPARK THERAPEUTICS INC in Q4 2017. The put-call ratio across all filers is 1.37 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $26,284,000 | +467.7% | 271,025 | +499.3% | 0.20% | +502.9% |
| Q2 2019 | $4,630,000 | +864.6% | 45,221 | +413.9% | 0.03% | +1033.3% |
| Q3 2018 | $480,000 | -79.4% | 8,800 | -66.3% | 0.00% | -80.0% |
| Q3 2017 | $2,327,000 | +384.8% | 26,100 | +224.9% | 0.02% | +400.0% |
| Q2 2017 | $480,000 | -34.5% | 8,033 | -34.2% | 0.00% | -25.0% |
| Q3 2016 | $733,000 | +1.7% | 12,200 | -13.5% | 0.00% | +33.3% |
| Q2 2016 | $721,000 | -91.5% | 14,100 | -93.0% | 0.00% | -93.9% |
| Q3 2015 | $8,459,000 | – | 202,700 | – | 0.05% | – |
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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% |