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 | $24,041,000 | -2.9% | 247,891 | +2.5% | 1.08% | -10.9% |
| Q2 2019 | $24,751,000 | +105.9% | 241,750 | +129.0% | 1.22% | +79.8% |
| Q1 2019 | $12,022,000 | +200266.7% | 105,569 | +102394.2% | 0.68% | – |
| Q3 2018 | $6,000 | -97.0% | 103 | -95.4% | 0.00% | -100.0% |
| Q3 2017 | $198,000 | -38.5% | 2,220 | -58.8% | 0.02% | -40.0% |
| Q2 2017 | $322,000 | +110.5% | 5,387 | +46.5% | 0.03% | +36.4% |
| Q3 2015 | $153,000 | -31.1% | 3,678 | 0.0% | 0.02% | -29.0% |
| Q2 2015 | $222,000 | – | 3,678 | – | 0.03% | – |
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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% |