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 | $43,473,000 | +3.8% | 448,257 | +9.6% | 0.01% | 0.0% |
| Q2 2019 | $41,868,000 | -9.2% | 408,962 | +1.0% | 0.01% | -9.1% |
| Q1 2019 | $46,117,000 | +197.5% | 404,958 | +2.3% | 0.01% | +175.0% |
| Q4 2018 | $15,500,000 | -27.3% | 396,012 | +1.4% | 0.00% | -20.0% |
| Q3 2018 | $21,309,000 | -32.4% | 390,631 | +2.6% | 0.01% | -37.5% |
| Q2 2018 | $31,516,000 | +39.6% | 380,819 | +12.3% | 0.01% | +33.3% |
| Q1 2018 | $22,581,000 | +31.0% | 339,096 | +1.1% | 0.01% | +50.0% |
| Q4 2017 | $17,243,000 | -42.0% | 335,353 | +0.6% | 0.00% | -50.0% |
| Q3 2017 | $29,714,000 | +73.0% | 333,264 | +15.9% | 0.01% | +60.0% |
| Q2 2017 | $17,172,000 | +31.8% | 287,458 | +17.7% | 0.01% | +25.0% |
| Q1 2017 | $13,029,000 | +13.9% | 244,259 | +6.6% | 0.00% | 0.0% |
| Q4 2016 | $11,438,000 | -15.8% | 229,209 | +1.3% | 0.00% | 0.0% |
| Q3 2016 | $13,591,000 | +31.6% | 226,280 | +12.0% | 0.00% | +33.3% |
| Q2 2016 | $10,326,000 | +219.4% | 201,958 | +84.3% | 0.00% | +200.0% |
| Q1 2016 | $3,233,000 | -26.4% | 109,561 | +13.0% | 0.00% | 0.0% |
| Q4 2015 | $4,392,000 | +14.4% | 96,935 | +5.4% | 0.00% | 0.0% |
| Q3 2015 | $3,838,000 | -22.9% | 91,976 | +11.4% | 0.00% | 0.0% |
| Q2 2015 | $4,977,000 | +216.6% | 82,584 | +307.1% | 0.00% | – |
| Q1 2015 | $1,572,000 | – | 20,287 | – | 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% |