SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 166 filers reported holding SPARK THERAPEUTICS INC in Q1 2018. The put-call ratio across all filers is 1.09 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $7,772,000 | +24.9% | 80,144 | +31.9% | 0.01% | +14.3% |
| Q2 2019 | $6,223,000 | -9.5% | 60,782 | +0.7% | 0.01% | -12.5% |
| Q1 2019 | $6,876,000 | +252.1% | 60,382 | +21.0% | 0.01% | +166.7% |
| Q4 2018 | $1,953,000 | -5.5% | 49,900 | +31.7% | 0.00% | 0.0% |
| Q3 2018 | $2,067,000 | -38.8% | 37,900 | -7.1% | 0.00% | -40.0% |
| Q2 2018 | $3,377,000 | +28.4% | 40,800 | +3.3% | 0.01% | +25.0% |
| Q1 2018 | $2,630,000 | +23.5% | 39,500 | -4.6% | 0.00% | +33.3% |
| Q4 2017 | $2,129,000 | -40.0% | 41,400 | +4.0% | 0.00% | -40.0% |
| Q3 2017 | $3,549,000 | +51.9% | 39,800 | +1.8% | 0.01% | +25.0% |
| Q2 2017 | $2,336,000 | +14.3% | 39,100 | +2.1% | 0.00% | +33.3% |
| Q1 2017 | $2,043,000 | +2.4% | 38,300 | -4.2% | 0.00% | 0.0% |
| Q4 2016 | $1,996,000 | -16.9% | 40,000 | 0.0% | 0.00% | -25.0% |
| Q3 2016 | $2,402,000 | – | 40,000 | – | 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% |