SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 122 filers reported holding SPARK THERAPEUTICS INC in Q3 2016. The put-call ratio across all filers is 0.60 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $3,593,000 | -19.2% | 65,860 | +22.6% | 0.02% | -17.2% |
| Q2 2018 | $4,445,000 | +34.5% | 53,708 | +8.2% | 0.03% | +11.5% |
| Q1 2018 | $3,305,000 | +58.7% | 49,632 | +22.6% | 0.03% | +85.7% |
| Q4 2017 | $2,082,000 | -33.8% | 40,496 | +14.8% | 0.01% | -36.4% |
| Q3 2017 | $3,146,000 | +87.4% | 35,281 | +25.6% | 0.02% | +83.3% |
| Q2 2017 | $1,679,000 | +18.9% | 28,097 | +6.1% | 0.01% | +20.0% |
| Q1 2017 | $1,412,000 | -4.3% | 26,473 | -10.5% | 0.01% | -9.1% |
| Q4 2016 | $1,476,000 | -37.1% | 29,573 | -24.2% | 0.01% | -42.1% |
| Q3 2016 | $2,345,000 | +19.2% | 39,036 | +1.4% | 0.02% | +11.8% |
| Q2 2016 | $1,968,000 | +118.9% | 38,489 | +26.4% | 0.02% | +88.9% |
| Q1 2016 | $899,000 | -39.1% | 30,448 | -6.5% | 0.01% | -35.7% |
| Q4 2015 | $1,475,000 | -90.8% | 32,555 | -15.3% | 0.01% | -17.6% |
| Q3 2015 | $16,031,000 | +993.5% | 38,415 | +57.9% | 0.02% | +30.8% |
| Q2 2015 | $1,466,000 | – | 24,329 | – | 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% |