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 | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $1,451,000 | +190.8% | 12,742 | 0.0% | 0.00% | +200.0% |
| Q4 2018 | $499,000 | -96.7% | 12,742 | -95.5% | 0.00% | -96.9% |
| Q3 2018 | $15,319,000 | -14.6% | 280,832 | +29.6% | 0.03% | -25.6% |
| Q2 2018 | $17,934,000 | +12.5% | 216,690 | -9.5% | 0.04% | +10.3% |
| Q1 2018 | $15,942,000 | +78.8% | 239,403 | +38.1% | 0.04% | +69.6% |
| Q4 2017 | $8,916,000 | -23.9% | 173,390 | +31.9% | 0.02% | -30.3% |
| Q3 2017 | $11,722,000 | +401.8% | 131,471 | +186.7% | 0.03% | +371.4% |
| Q2 2017 | $2,336,000 | -7.9% | 45,864 | -3.6% | 0.01% | -12.5% |
| Q1 2017 | $2,537,000 | -65.0% | 47,570 | -67.2% | 0.01% | -70.4% |
| Q4 2016 | $7,245,000 | +0.5% | 145,199 | +20.9% | 0.03% | 0.0% |
| Q3 2016 | $7,211,000 | – | 120,058 | – | 0.03% | – |
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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% |