SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 181 filers reported holding SPARK THERAPEUTICS INC in Q3 2018. The put-call ratio across all filers is 1.88 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $113,000 | +606.2% | 1,165 | +651.6% | 0.00% | – |
| Q2 2019 | $16,000 | -11.1% | 155 | 0.0% | 0.00% | – |
| Q1 2019 | $18,000 | +200.0% | 155 | 0.0% | 0.00% | – |
| Q4 2018 | $6,000 | -25.0% | 155 | 0.0% | 0.00% | – |
| Q3 2018 | $8,000 | -52.9% | 155 | -24.4% | 0.00% | – |
| Q2 2018 | $17,000 | +88.9% | 205 | +51.9% | 0.00% | – |
| Q1 2018 | $9,000 | -18.2% | 135 | -35.7% | 0.00% | – |
| Q4 2017 | $11,000 | -82.5% | 210 | -70.4% | 0.00% | -100.0% |
| Q3 2017 | $63,000 | +50.0% | 710 | 0.0% | 0.00% | – |
| Q2 2017 | $42,000 | -32.3% | 710 | -38.8% | 0.00% | -100.0% |
| Q1 2017 | $62,000 | -4.6% | 1,160 | -10.8% | 0.00% | 0.0% |
| Q4 2016 | $65,000 | +8.3% | 1,300 | +30.0% | 0.00% | 0.0% |
| Q3 2016 | $60,000 | – | 1,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sofinnova Management VIII, L.L.C. | 481,270 | $24,747,000 | 13.51% |
| Ice Pond Lane Advisers, LLC | 211,519 | $10,876,000 | 7.42% |
| IPL Advisers, LLC | 143,500 | $7,379,000 | 4.67% |
| Casdin Capital, LLC | 302,474 | $15,553,000 | 3.79% |
| GREAT POINT PARTNERS LLC | 410,900 | $21,128,000 | 3.60% |
| Rock Springs Capital Management LP | 615,000 | $31,623,000 | 1.44% |
| Virtus ETF Advisers LLC | 21,196 | $1,090,000 | 1.37% |
| Eventide Asset Management | 324,000 | $16,660,000 | 0.87% |
| Baker Brothers Advisors | 1,384,130 | $71,172,000 | 0.62% |
| SPHERA FUNDS MANAGEMENT LTD. | 100,000 | $5,142,000 | 0.60% |