SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 180 filers reported holding SPARK THERAPEUTICS INC in Q2 2018. The put-call ratio across all filers is 2.24 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $4,258,000 | +161.4% | 37,392 | -10.2% | 0.05% | +125.0% |
| Q4 2018 | $1,629,000 | -45.7% | 41,624 | -24.3% | 0.02% | -38.5% |
| Q3 2018 | $3,000,000 | -29.7% | 54,999 | +6.6% | 0.04% | -33.9% |
| Q2 2018 | $4,270,000 | +53.5% | 51,596 | +23.5% | 0.06% | +37.2% |
| Q1 2018 | $2,782,000 | +12.6% | 41,774 | -13.1% | 0.04% | +19.4% |
| Q4 2017 | $2,471,000 | -47.1% | 48,051 | -8.2% | 0.04% | -45.5% |
| Q3 2017 | $4,667,000 | +49.4% | 52,349 | +0.1% | 0.07% | +40.4% |
| Q2 2017 | $3,123,000 | +30.6% | 52,281 | +16.6% | 0.05% | +17.5% |
| Q1 2017 | $2,391,000 | -13.9% | 44,832 | -19.5% | 0.04% | -25.9% |
| Q4 2016 | $2,778,000 | -29.7% | 55,666 | -15.4% | 0.05% | -22.9% |
| Q3 2016 | $3,952,000 | +14.7% | 65,800 | -2.4% | 0.07% | +6.1% |
| Q2 2016 | $3,446,000 | +45.2% | 67,400 | -16.2% | 0.07% | +43.5% |
| Q1 2016 | $2,373,000 | -33.4% | 80,400 | +2.3% | 0.05% | -25.8% |
| Q4 2015 | $3,562,000 | +10.6% | 78,620 | +1.8% | 0.06% | +14.8% |
| Q3 2015 | $3,222,000 | -56.9% | 77,220 | -37.7% | 0.05% | +1.9% |
| Q2 2015 | $7,474,000 | +160.6% | 124,000 | +235.1% | 0.05% | +29.3% |
| Q1 2015 | $2,868,000 | – | 37,000 | – | 0.04% | – |
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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% |