SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 189 filers reported holding SPARK THERAPEUTICS INC in Q3 2019. The put-call ratio across all filers is 0.96 and the average weighting 0.8%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $18,193,000 | +201.5% | 187,596 | +218.3% | 0.14% | +186.0% |
| Q2 2019 | $6,034,000 | -47.5% | 58,939 | -41.6% | 0.05% | -7.4% |
| Q1 2019 | $11,496,000 | +9725.6% | 100,940 | +3281.6% | 0.05% | +5300.0% |
| Q4 2018 | $117,000 | -97.4% | 2,985 | -96.4% | 0.00% | -94.7% |
| Q3 2018 | $4,506,000 | +1245.1% | 82,616 | +1168.1% | 0.02% | +35.7% |
| Q4 2017 | $335,000 | -77.1% | 6,515 | -60.3% | 0.01% | -79.4% |
| Q3 2017 | $1,461,000 | -69.2% | 16,416 | -82.7% | 0.07% | +119.4% |
| Q4 2016 | $4,737,000 | +1069.6% | 94,927 | +591.0% | 0.03% | +675.0% |
| Q1 2016 | $405,000 | – | 13,738 | – | 0.00% | – |
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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% |