SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 170 filers reported holding SPARK THERAPEUTICS INC in Q3 2017. The put-call ratio across all filers is 1.40 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $689,000 | +102.1% | 7,109 | +13.8% | 0.05% | +157.1% |
| Q3 2018 | $341,000 | -24.1% | 6,248 | +15.1% | 0.02% | +5.0% |
| Q2 2018 | $449,000 | -66.0% | 5,429 | -78.9% | 0.02% | -71.4% |
| Q4 2017 | $1,321,000 | +350.9% | 25,699 | +681.8% | 0.07% | +366.7% |
| Q3 2017 | $293,000 | – | 3,287 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Casdin Capital, LLC | 170,000 | $5,017,000 | 5.76% |
| Rock Springs Capital Management LP | 580,500 | $17,131,000 | 1.44% |
| Opus Point Partners Management, LLC | 31,500 | $930,000 | 0.72% |
| Bain Capital Public Equity Management, LLC | 424,114 | $12,516,000 | 0.46% |
| Baker Brothers Advisors | 1,262,382 | $37,253,000 | 0.39% |
| MARINER INVESTMENT GROUP LLC | 34,350 | $1,014,000 | 0.28% |
| Eventide Asset Management | 150,000 | $4,427,000 | 0.25% |
| Virtus ETF Advisers LLC | 5,251 | $155,000 | 0.21% |
| EMERALD ADVISERS, LLC | 123,970 | $3,658,000 | 0.18% |
| Endurant Capital Management LP | 17,500 | $516,000 | 0.17% |