SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 207 filers reported holding SPARK THERAPEUTICS INC in Q1 2019. The put-call ratio across all filers is 5.87 and the average weighting 1.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $3,326,000 | -9.4% | 34,298 | -4.3% | 0.03% | -10.0% |
| Q2 2019 | $3,670,000 | -1.9% | 35,843 | +9.1% | 0.03% | 0.0% |
| Q1 2019 | $3,742,000 | +117.6% | 32,860 | -25.2% | 0.03% | +100.0% |
| Q4 2018 | $1,720,000 | -35.7% | 43,946 | -10.4% | 0.02% | -11.8% |
| Q3 2018 | $2,677,000 | -22.9% | 49,069 | +17.0% | 0.02% | -26.1% |
| Q2 2018 | $3,473,000 | +12.0% | 41,956 | -9.9% | 0.02% | +187.5% |
| Q1 2018 | $3,102,000 | -6.0% | 46,583 | -27.5% | 0.01% | 0.0% |
| Q4 2017 | $3,301,000 | -28.0% | 64,219 | +24.9% | 0.01% | -27.3% |
| Q3 2017 | $4,583,000 | +59.0% | 51,396 | +6.5% | 0.01% | +37.5% |
| Q2 2017 | $2,882,000 | +15.8% | 48,237 | +3.4% | 0.01% | +14.3% |
| Q1 2017 | $2,489,000 | +3.1% | 46,656 | -3.5% | 0.01% | 0.0% |
| Q4 2016 | $2,413,000 | – | 48,360 | – | 0.01% | – |
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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% |