SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 97 filers reported holding SPARK THERAPEUTICS INC in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $2,312,000 | +17.5% | 38,490 | 0.0% | 0.10% | +8.4% |
| Q2 2016 | $1,968,000 | -46.2% | 38,490 | -69.0% | 0.10% | -46.6% |
| Q1 2016 | $3,658,000 | -26.2% | 123,970 | +13.4% | 0.18% | -23.9% |
| Q4 2015 | $4,954,000 | +227.6% | 109,340 | +335.9% | 0.23% | +225.0% |
| Q2 2015 | $1,512,000 | +8.2% | 25,084 | -0.1% | 0.07% | +2.9% |
| Q1 2015 | $1,397,000 | – | 25,099 | – | 0.07% | – |
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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% |