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 ↓ |
|---|---|---|---|
| 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% |