SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 123 filers reported holding SPARK THERAPEUTICS INC in Q1 2017. The put-call ratio across all filers is 0.24 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $49,011,000 | -5.3% | 505,371 | 0.0% | 1.95% | +4.3% |
| Q2 2019 | $51,740,000 | -15.5% | 505,371 | -6.0% | 1.87% | -20.7% |
| Q1 2019 | $61,211,000 | +191.0% | 537,500 | 0.0% | 2.36% | +137.7% |
| Q4 2018 | $21,038,000 | -28.2% | 537,500 | 0.0% | 0.99% | -6.5% |
| Q3 2018 | $29,321,000 | -34.9% | 537,500 | -1.2% | 1.06% | -38.7% |
| Q2 2018 | $45,021,000 | +8.4% | 544,000 | -12.8% | 1.73% | -2.2% |
| Q1 2018 | $41,519,000 | +31.3% | 623,500 | +1.4% | 1.77% | +23.4% |
| Q4 2017 | $31,623,000 | -40.6% | 615,000 | +3.0% | 1.44% | -41.6% |
| Q3 2017 | $53,229,000 | +42.6% | 597,000 | -4.5% | 2.46% | +30.2% |
| Q2 2017 | $37,338,000 | +12.0% | 625,000 | 0.0% | 1.89% | -2.0% |
| Q1 2017 | $33,338,000 | +6.9% | 625,000 | 0.0% | 1.92% | -7.8% |
| Q4 2016 | $31,188,000 | -16.9% | 625,000 | 0.0% | 2.09% | -11.3% |
| Q3 2016 | $37,538,000 | +20.4% | 625,000 | +2.5% | 2.35% | +1.9% |
| Q2 2016 | $31,189,000 | +82.1% | 610,000 | +5.1% | 2.31% | +60.9% |
| Q1 2016 | $17,131,000 | -32.5% | 580,500 | +3.7% | 1.44% | -25.4% |
| Q4 2015 | $25,374,000 | +11.4% | 560,000 | +2.6% | 1.92% | +4.0% |
| Q3 2015 | $22,772,000 | -25.6% | 545,700 | +7.4% | 1.85% | -17.3% |
| Q2 2015 | $30,621,000 | +1093.3% | 508,059 | +1434.6% | 2.24% | +831.2% |
| Q1 2015 | $2,566,000 | – | 33,106 | – | 0.24% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Casdin Capital, LLC | 93,500 | $5,616,000 | 4.55% |
| Rock Springs Capital Management LP | 625,000 | $37,538,000 | 2.35% |
| Bain Capital Public Equity Management, LLC | 367,314 | $22,061,000 | 1.43% |
| EcoR1 Capital, LLC | 68,600 | $4,120,000 | 1.26% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 368,000 | $22,102,000 | 1.03% |
| Baker Brothers Advisors | 1,318,341 | $79,180,000 | 0.72% |
| Eventide Asset Management | 150,000 | $9,009,000 | 0.55% |
| FEDERATED HERMES, INC. | 1,633,900 | $98,132,000 | 0.28% |
| Iguana Healthcare Management, LLC | 25,000 | $1,502,000 | 0.27% |
| BAILARD, INC. | 40,600 | $2,442,000 | 0.22% |