SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $895,000 | -86.6% | 9,224 | -85.9% | 0.00% | -100.0% |
| Q2 2019 | $6,695,000 | +469.8% | 65,390 | +533.8% | 0.00% | – |
| Q1 2019 | $1,175,000 | -85.4% | 10,317 | -95.0% | 0.00% | -100.0% |
| Q4 2018 | $8,027,000 | +2129.7% | 205,095 | +3010.8% | 0.00% | – |
| Q3 2018 | $360,000 | -32.7% | 6,593 | +2.0% | 0.00% | – |
| Q2 2018 | $535,000 | +78.3% | 6,465 | +43.4% | 0.00% | – |
| Q1 2018 | $300,000 | -97.4% | 4,509 | -96.5% | 0.00% | -100.0% |
| Q3 2017 | $11,472,000 | +49.5% | 128,671 | +0.2% | 0.00% | +100.0% |
| Q2 2017 | $7,676,000 | +5.4% | 128,477 | -5.9% | 0.00% | 0.0% |
| Q1 2017 | $7,281,000 | -47.1% | 136,490 | -50.5% | 0.00% | -60.0% |
| Q4 2016 | $13,765,000 | -18.8% | 275,867 | -2.3% | 0.01% | -16.7% |
| Q3 2016 | $16,962,000 | +35.9% | 282,422 | +15.7% | 0.01% | +20.0% |
| Q2 2016 | $12,480,000 | +20.9% | 244,085 | -30.2% | 0.01% | +25.0% |
| Q1 2016 | $10,320,000 | -34.9% | 349,700 | 0.0% | 0.00% | -33.3% |
| Q4 2015 | $15,845,000 | +9.0% | 349,700 | +0.4% | 0.01% | 0.0% |
| Q3 2015 | $14,536,000 | -30.8% | 348,319 | +0.0% | 0.01% | -25.0% |
| Q2 2015 | $20,993,000 | – | 348,317 | – | 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% |