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 | $10,270,000 | +7.6% | 105,900 | +13.6% | 0.03% | +3.7% |
| Q2 2019 | $9,542,000 | +91.3% | 93,200 | +112.8% | 0.03% | +92.9% |
| Q1 2019 | $4,988,000 | +297.1% | 43,800 | +36.4% | 0.01% | +250.0% |
| Q4 2018 | $1,256,000 | -28.7% | 32,100 | -0.6% | 0.00% | -20.0% |
| Q3 2018 | $1,762,000 | -34.1% | 32,300 | 0.0% | 0.01% | -37.5% |
| Q2 2018 | $2,673,000 | +51.4% | 32,300 | +21.9% | 0.01% | +60.0% |
| Q1 2018 | $1,765,000 | +29.5% | 26,500 | 0.0% | 0.01% | +25.0% |
| Q4 2017 | $1,363,000 | -4.5% | 26,500 | +65.6% | 0.00% | 0.0% |
| Q3 2017 | $1,427,000 | +49.3% | 16,000 | 0.0% | 0.00% | +33.3% |
| Q2 2017 | $956,000 | – | 16,000 | – | 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% |