SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 166 filers reported holding SPARK THERAPEUTICS INC in Q1 2018. The put-call ratio across all filers is 1.09 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $1,024,000 | -70.4% | 10,000 | -88.7% | 0.11% | -71.4% |
| Q4 2018 | $3,456,000 | -54.0% | 88,302 | -35.9% | 0.40% | -47.5% |
| Q3 2018 | $7,511,000 | -48.9% | 137,691 | -22.5% | 0.75% | -49.9% |
| Q2 2018 | $14,698,000 | +226.5% | 177,600 | +162.7% | 1.50% | +171.0% |
| Q1 2018 | $4,501,000 | +24.7% | 67,600 | -3.7% | 0.56% | +13.7% |
| Q4 2017 | $3,610,000 | – | 70,200 | – | 0.49% | – |
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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% |