SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 121 filers reported holding SPARK THERAPEUTICS INC in Q4 2016. The put-call ratio across all filers is 0.53 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $11,819,000 | -2.7% | 103,781 | -66.6% | 0.01% | -14.3% |
| Q4 2018 | $12,148,000 | +637.6% | 310,363 | +928.1% | 0.01% | +600.0% |
| Q3 2018 | $1,647,000 | -69.5% | 30,189 | -53.7% | 0.00% | -60.0% |
| Q2 2018 | $5,396,000 | +282.7% | 65,203 | +208.0% | 0.01% | +400.0% |
| Q1 2018 | $1,410,000 | +139.8% | 21,169 | +85.0% | 0.00% | 0.0% |
| Q4 2017 | $588,000 | -83.8% | 11,444 | -71.8% | 0.00% | -75.0% |
| Q3 2017 | $3,619,000 | +49.4% | 40,588 | +0.1% | 0.00% | +33.3% |
| Q2 2017 | $2,422,000 | -90.7% | 40,549 | -91.7% | 0.00% | -88.9% |
| Q1 2017 | $26,058,000 | +7.7% | 488,519 | +0.7% | 0.03% | +3.8% |
| Q4 2016 | $24,205,000 | -3.4% | 485,074 | +16.3% | 0.03% | -7.1% |
| Q3 2016 | $25,057,000 | +24.1% | 417,204 | +5.6% | 0.03% | +21.7% |
| Q2 2016 | $20,196,000 | +83.0% | 394,995 | +5.6% | 0.02% | +76.9% |
| Q1 2016 | $11,037,000 | -41.9% | 374,000 | -10.8% | 0.01% | -40.9% |
| Q4 2015 | $18,994,000 | +69.6% | 419,203 | +56.2% | 0.02% | +57.1% |
| Q3 2015 | $11,200,000 | -24.7% | 268,386 | +8.7% | 0.01% | -17.6% |
| Q2 2015 | $14,879,000 | +1357.3% | 246,869 | +1773.2% | 0.02% | +1600.0% |
| Q1 2015 | $1,021,000 | – | 13,179 | – | 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% |