SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 164 filers reported holding SPARK THERAPEUTICS INC in Q4 2017. The put-call ratio across all filers is 1.37 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $1,870,000 | -45.6% | 47,766 | -24.3% | 0.00% | -40.0% |
| Q3 2018 | $3,440,000 | -39.6% | 63,066 | -8.3% | 0.01% | -44.4% |
| Q2 2018 | $5,691,000 | +4.5% | 68,766 | -15.9% | 0.01% | +12.5% |
| Q1 2018 | $5,445,000 | +24.5% | 81,766 | -3.9% | 0.01% | +33.3% |
| Q4 2017 | $4,374,000 | -38.8% | 85,066 | +6.1% | 0.01% | -45.5% |
| Q3 2017 | $7,146,000 | +64.2% | 80,151 | +10.0% | 0.01% | +57.1% |
| Q2 2017 | $4,352,000 | +6.7% | 72,851 | -4.7% | 0.01% | 0.0% |
| Q1 2017 | $4,078,000 | +11.7% | 76,451 | +4.5% | 0.01% | +16.7% |
| Q4 2016 | $3,650,000 | -7.7% | 73,151 | +11.1% | 0.01% | -14.3% |
| Q3 2016 | $3,955,000 | +12.4% | 65,851 | -4.4% | 0.01% | +16.7% |
| Q2 2016 | $3,520,000 | +81.3% | 68,851 | +4.7% | 0.01% | +50.0% |
| Q1 2016 | $1,941,000 | -26.4% | 65,787 | +13.1% | 0.00% | -20.0% |
| Q4 2015 | $2,636,000 | +87.0% | 58,187 | +72.2% | 0.01% | +66.7% |
| Q3 2015 | $1,410,000 | +87.3% | 33,787 | +170.3% | 0.00% | +200.0% |
| Q2 2015 | $753,000 | -22.3% | 12,500 | 0.0% | 0.00% | -50.0% |
| Q1 2015 | $969,000 | – | 12,500 | – | 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% |