SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 181 filers reported holding SPARK THERAPEUTICS INC in Q3 2018. The put-call ratio across all filers is 1.88 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $47,872,000 | -29.5% | 493,633 | -25.5% | 0.08% | -25.5% |
| Q2 2019 | $67,862,000 | -10.1% | 662,849 | -0.0% | 0.10% | -9.7% |
| Q1 2019 | $75,489,000 | +1807.7% | 662,880 | +813.8% | 0.11% | +2160.0% |
| Q3 2018 | $3,957,000 | -52.7% | 72,538 | -28.3% | 0.01% | -54.5% |
| Q2 2018 | $8,370,000 | +430.4% | 101,133 | +326.7% | 0.01% | +450.0% |
| Q1 2018 | $1,578,000 | -94.4% | 23,699 | -92.5% | 0.00% | -95.3% |
| Q3 2017 | $28,349,000 | -32.8% | 317,952 | -55.0% | 0.04% | -42.7% |
| Q2 2017 | $42,202,000 | +67.3% | 706,431 | +49.4% | 0.08% | +63.0% |
| Q1 2017 | $25,229,000 | -50.3% | 472,993 | -53.5% | 0.05% | -56.6% |
| Q4 2016 | $50,730,000 | +219.2% | 1,016,626 | +227.1% | 0.11% | +194.4% |
| Q2 2016 | $15,892,000 | +1250.2% | 310,809 | +679.0% | 0.04% | +1100.0% |
| Q1 2016 | $1,177,000 | +37.8% | 39,900 | +111.6% | 0.00% | +50.0% |
| Q4 2015 | $854,000 | -90.4% | 18,856 | -87.2% | 0.00% | -88.2% |
| Q2 2015 | $8,879,000 | – | 147,320 | – | 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% |