SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 170 filers reported holding SPARK THERAPEUTICS INC in Q3 2017. The put-call ratio across all filers is 1.40 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $3,266,000 | -77.1% | 33,672 | -75.8% | 0.00% | -72.7% |
| Q2 2019 | $14,233,000 | -43.6% | 139,018 | -37.2% | 0.01% | -54.2% |
| Q1 2019 | $25,215,000 | +664.8% | 221,414 | +162.9% | 0.02% | +700.0% |
| Q4 2018 | $3,297,000 | -24.1% | 84,231 | +5.8% | 0.00% | -25.0% |
| Q3 2018 | $4,342,000 | +15.1% | 79,601 | +74.7% | 0.00% | +33.3% |
| Q2 2018 | $3,771,000 | -3.0% | 45,563 | -22.0% | 0.00% | 0.0% |
| Q1 2018 | $3,887,000 | +18.7% | 58,378 | -8.4% | 0.00% | 0.0% |
| Q4 2017 | $3,276,000 | +1.0% | 63,699 | +75.0% | 0.00% | 0.0% |
| Q3 2017 | $3,245,000 | -26.6% | 36,392 | -50.8% | 0.00% | -25.0% |
| Q2 2017 | $4,418,000 | +211.3% | 73,951 | +178.0% | 0.00% | +300.0% |
| Q1 2017 | $1,419,000 | -71.9% | 26,604 | -73.7% | 0.00% | -75.0% |
| Q4 2016 | $5,056,000 | +643.5% | 101,337 | +795.4% | 0.00% | +300.0% |
| Q3 2016 | $680,000 | -87.7% | 11,317 | -89.5% | 0.00% | -80.0% |
| Q2 2016 | $5,507,000 | +1233.4% | 107,700 | +670.8% | 0.01% | – |
| Q1 2016 | $413,000 | -0.5% | 13,973 | +52.7% | 0.00% | – |
| Q4 2015 | $415,000 | -46.7% | 9,153 | -51.0% | 0.00% | -100.0% |
| Q3 2015 | $779,000 | +1847.5% | 18,678 | +2658.9% | 0.00% | – |
| Q2 2015 | $40,000 | -80.5% | 677 | -74.3% | 0.00% | – |
| Q1 2015 | $205,000 | – | 2,635 | – | 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% |