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 | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $3,416,000 | +191.0% | 30,000 | 0.0% | 0.04% | +175.0% |
| Q4 2018 | $1,174,000 | -28.3% | 30,000 | 0.0% | 0.02% | -20.0% |
| Q3 2018 | $1,637,000 | -75.1% | 30,000 | -72.7% | 0.02% | -84.8% |
| Q2 2017 | $6,571,000 | +310.7% | 110,000 | +266.7% | 0.13% | +528.6% |
| Q1 2017 | $1,600,000 | – | 30,000 | – | 0.02% | – |
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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% |