SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $316,000 | -32.6% | 8,077 | -6.0% | 0.01% | -27.3% |
| Q3 2018 | $469,000 | -34.0% | 8,595 | 0.0% | 0.01% | -35.3% |
| Q2 2018 | $711,000 | -37.6% | 8,595 | -49.8% | 0.02% | -41.4% |
| Q1 2018 | $1,139,000 | -5.2% | 17,105 | -26.7% | 0.03% | -6.5% |
| Q4 2017 | $1,201,000 | +23.2% | 23,348 | +113.4% | 0.03% | +24.0% |
| Q3 2017 | $975,000 | – | 10,940 | – | 0.02% | – |
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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% |