SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 106 filers reported holding SPARK THERAPEUTICS INC in Q1 2016. The put-call ratio across all filers is 4.18 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $1,325,000 | +546.3% | 13,666 | +659.2% | 0.00% | – |
| Q1 2019 | $205,000 | -45.8% | 1,800 | -81.4% | 0.00% | -100.0% |
| Q4 2018 | $378,000 | -76.0% | 9,665 | -59.1% | 0.00% | -75.0% |
| Q1 2018 | $1,573,000 | -25.0% | 23,621 | -42.1% | 0.00% | -33.3% |
| Q4 2017 | $2,098,000 | +774.2% | 40,800 | +402.2% | 0.01% | +500.0% |
| Q1 2016 | $240,000 | -45.1% | 8,125 | -15.7% | 0.00% | -66.7% |
| Q4 2015 | $437,000 | -31.8% | 9,637 | -37.2% | 0.00% | -25.0% |
| Q3 2015 | $641,000 | -1.2% | 15,353 | +83.2% | 0.00% | -20.0% |
| Q1 2015 | $649,000 | – | 8,379 | – | 0.01% | – |
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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% |