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 | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $566,000 | -1.7% | 5,529 | +9.4% | 0.00% | 0.0% |
| Q1 2019 | $576,000 | -53.4% | 5,056 | -84.0% | 0.00% | -75.0% |
| Q4 2018 | $1,235,000 | -30.3% | 31,544 | -2.8% | 0.00% | 0.0% |
| Q3 2018 | $1,771,000 | +349.5% | 32,459 | +582.1% | 0.00% | +300.0% |
| Q2 2018 | $394,000 | +24.3% | 4,759 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $317,000 | – | 4,759 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sofinnova Management VIII, L.L.C. | 904,986 | $45,159,000 | 25.41% |
| Casdin Capital, LLC | 128,500 | $6,412,000 | 5.30% |
| Rock Springs Capital Management LP | 625,000 | $31,188,000 | 2.09% |
| Bain Capital Public Equity Management, LLC | 656,226 | $32,746,000 | 1.14% |
| Ghost Tree Capital, LLC | 80,000 | $3,992,000 | 0.96% |
| Baker Brothers Advisors | 1,318,341 | $65,785,000 | 0.64% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 283,000 | $14,122,000 | 0.58% |
| Eventide Asset Management | 150,000 | $7,485,000 | 0.49% |
| Endurant Capital Management LP | 14,800 | $739,000 | 0.30% |
| HIGHLAND CAPITAL MANAGEMENT LP | 112,000 | $5,589,000 | 0.26% |