SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 1 filers reported holding SPARK THERAPEUTICS INC in Q4 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $24,177,000 | -5.4% | 249,301 | -0.1% | 0.35% | +5.8% |
| Q2 2019 | $25,551,000 | -2.6% | 249,569 | +8.3% | 0.33% | -4.9% |
| Q1 2019 | $26,238,000 | +94.1% | 230,400 | +52.0% | 0.35% | +243.6% |
| Q3 2017 | $13,519,000 | +5604.2% | 151,621 | +3734.6% | 0.10% | +4950.0% |
| Q3 2016 | $237,000 | -95.7% | 3,954 | -95.7% | 0.00% | -93.8% |
| Q2 2015 | $5,542,000 | +67.8% | 91,958 | +115.8% | 0.03% | -30.4% |
| Q1 2015 | $3,303,000 | – | 42,618 | – | 0.05% | – |
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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% |