SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 157 filers reported holding SPARK THERAPEUTICS INC in Q4 2018. The put-call ratio across all filers is 3.09 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $6,779,000 | -5.3% | 69,900 | 0.0% | 0.01% | -12.5% |
| Q2 2019 | $7,156,000 | +1.5% | 69,900 | +12.9% | 0.01% | 0.0% |
| Q1 2019 | $7,049,000 | +201.1% | 61,900 | +3.5% | 0.01% | +166.7% |
| Q4 2018 | $2,341,000 | -26.4% | 59,800 | +2.6% | 0.00% | -25.0% |
| Q3 2018 | $3,180,000 | -34.1% | 58,300 | 0.0% | 0.00% | -33.3% |
| Q2 2018 | $4,825,000 | +32.5% | 58,300 | +6.6% | 0.01% | +50.0% |
| Q1 2018 | $3,642,000 | +37.8% | 54,700 | +6.4% | 0.00% | +33.3% |
| Q4 2017 | $2,643,000 | -42.3% | 51,400 | 0.0% | 0.00% | -40.0% |
| Q3 2017 | $4,583,000 | +95.7% | 51,400 | +31.1% | 0.01% | +66.7% |
| Q2 2017 | $2,342,000 | +16.5% | 39,200 | +4.0% | 0.00% | 0.0% |
| Q1 2017 | $2,011,000 | +6.9% | 37,700 | 0.0% | 0.00% | 0.0% |
| Q4 2016 | $1,881,000 | -14.2% | 37,700 | +3.3% | 0.00% | -25.0% |
| Q3 2016 | $2,192,000 | +17.2% | 36,500 | -0.3% | 0.00% | +33.3% |
| Q2 2016 | $1,871,000 | +121.2% | 36,600 | +23.2% | 0.00% | +50.0% |
| Q1 2016 | $846,000 | -12.0% | 29,700 | +40.1% | 0.00% | 0.0% |
| Q4 2015 | $961,000 | +109.4% | 21,200 | +92.7% | 0.00% | +100.0% |
| Q3 2015 | $459,000 | -20.7% | 11,000 | +14.6% | 0.00% | -50.0% |
| Q2 2015 | $579,000 | – | 9,600 | – | 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% |