SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 180 filers reported holding SPARK THERAPEUTICS INC in Q2 2018. The put-call ratio across all filers is 2.24 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $1,039,000 | -22.3% | 10,164 | -52.6% | 0.01% | -37.5% |
| Q1 2019 | $1,338,000 | -56.4% | 21,450 | -74.1% | 0.01% | -60.0% |
| Q4 2018 | $3,067,000 | +129.2% | 82,850 | +286.2% | 0.02% | +150.0% |
| Q3 2018 | $1,338,000 | -26.4% | 21,450 | -2.5% | 0.01% | -33.3% |
| Q2 2018 | $1,818,000 | +72.5% | 22,000 | +37.5% | 0.01% | +71.4% |
| Q1 2018 | $1,054,000 | -3.3% | 16,000 | +15.9% | 0.01% | -12.5% |
| Q4 2017 | $1,090,000 | 0.0% | 13,800 | 0.0% | 0.01% | 0.0% |
| Q3 2017 | $1,090,000 | +31.5% | 13,800 | 0.0% | 0.01% | +14.3% |
| Q2 2017 | $829,000 | +22.1% | 13,800 | 0.0% | 0.01% | -12.5% |
| Q2 2016 | $679,000 | +100.9% | 13,800 | +29.0% | 0.01% | +100.0% |
| Q1 2016 | $338,000 | – | 10,700 | – | 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% |