SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 127 filers reported holding SPARK THERAPEUTICS INC in Q2 2017. The put-call ratio across all filers is 0.42 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $1,352,000 | -94.6% | 13,952 | -94.3% | 0.00% | -93.3% |
| Q2 2019 | $24,925,000 | +111.6% | 243,474 | +135.4% | 0.02% | +114.3% |
| Q1 2019 | $11,777,000 | -32.5% | 103,436 | -76.8% | 0.01% | -41.7% |
| Q4 2018 | $17,440,000 | -64.5% | 445,655 | -50.6% | 0.01% | -14.3% |
| Q3 2018 | $49,172,000 | +1.8% | 901,430 | +54.5% | 0.01% | 0.0% |
| Q2 2018 | $48,299,000 | +255.0% | 583,614 | +185.5% | 0.01% | +133.3% |
| Q1 2018 | $13,606,000 | +46.3% | 204,388 | +13.0% | 0.01% | 0.0% |
| Q4 2017 | $9,299,000 | -89.0% | 180,886 | -80.9% | 0.01% | -89.7% |
| Q3 2017 | $84,296,000 | +340.1% | 945,472 | +194.8% | 0.06% | +314.3% |
| Q2 2017 | $19,156,000 | +3308.5% | 320,678 | +2931.0% | 0.01% | – |
| Q1 2017 | $562,000 | -36.6% | 10,580 | -40.6% | 0.00% | -100.0% |
| Q4 2016 | $886,000 | -78.1% | 17,808 | -73.5% | 0.00% | -66.7% |
| Q3 2016 | $4,039,000 | +316.4% | 67,311 | +254.6% | 0.00% | +200.0% |
| Q2 2016 | $970,000 | +59.8% | 18,984 | -7.9% | 0.00% | – |
| Q1 2016 | $607,000 | +209.7% | 20,605 | +371.3% | 0.00% | – |
| Q4 2015 | $196,000 | -78.3% | 4,372 | -79.8% | 0.00% | -100.0% |
| Q3 2015 | $903,000 | -31.6% | 21,674 | -1.2% | 0.00% | 0.0% |
| Q2 2015 | $1,320,000 | – | 21,929 | +219190.0% | 0.00% | – |
| Q1 2015 | $0 | – | 10 | – | 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% |