SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 122 filers reported holding SPARK THERAPEUTICS INC in Q3 2016. The put-call ratio across all filers is 0.60 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $22,000 | -99.6% | 221 | -99.5% | 0.00% | -100.0% |
| Q1 2019 | $4,926,000 | +644.1% | 43,259 | +155.5% | 0.01% | +600.0% |
| Q4 2018 | $662,000 | +15.5% | 16,932 | +61.2% | 0.00% | 0.0% |
| Q3 2018 | $573,000 | +41.1% | 10,506 | +72.1% | 0.00% | -88.9% |
| Q1 2018 | $406,000 | -52.4% | 6,106 | -63.2% | 0.02% | -51.4% |
| Q4 2017 | $853,000 | +302.4% | 16,596 | +316.4% | 0.04% | +311.1% |
| Q1 2017 | $212,000 | +3433.3% | 3,986 | +2989.9% | 0.01% | – |
| Q4 2016 | $6,000 | -85.0% | 129 | -80.9% | 0.00% | -100.0% |
| Q3 2016 | $40,000 | +135.3% | 675 | +11.2% | 0.00% | +200.0% |
| Q1 2016 | $17,000 | -90.6% | 607 | -84.8% | 0.00% | -92.9% |
| Q4 2015 | $180,000 | – | 3,990 | – | 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% |