SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 207 filers reported holding SPARK THERAPEUTICS INC in Q1 2019. The put-call ratio across all filers is 5.87 and the average weighting 1.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $39,000 | -4.9% | 400 | 0.0% | 0.00% | – |
| Q2 2019 | $41,000 | -10.9% | 400 | 0.0% | 0.00% | – |
| Q1 2019 | $46,000 | +58.6% | 400 | -46.7% | 0.00% | – |
| Q4 2018 | $29,000 | -81.9% | 750 | -74.4% | 0.00% | – |
| Q3 2018 | $160,000 | -25.6% | 2,925 | +12.5% | 0.00% | – |
| Q2 2018 | $215,000 | +53.6% | 2,600 | +23.8% | 0.00% | – |
| Q1 2018 | $140,000 | +145.6% | 2,100 | +90.9% | 0.00% | – |
| Q4 2017 | $57,000 | -8.1% | 1,100 | +57.1% | 0.00% | – |
| Q3 2017 | $62,000 | +47.6% | 700 | 0.0% | 0.00% | – |
| Q2 2017 | $42,000 | +13.5% | 700 | 0.0% | 0.00% | – |
| Q1 2017 | $37,000 | +5.7% | 700 | 0.0% | 0.00% | – |
| Q4 2016 | $35,000 | -32.7% | 700 | -17.6% | 0.00% | – |
| Q3 2016 | $52,000 | +33.3% | 850 | +12.7% | 0.00% | – |
| Q2 2016 | $39,000 | +77.3% | 754 | +0.5% | 0.00% | – |
| Q1 2016 | $22,000 | -35.3% | 750 | 0.0% | 0.00% | – |
| Q4 2015 | $34,000 | +3.0% | 750 | -6.2% | 0.00% | – |
| Q3 2015 | $33,000 | -26.7% | 800 | +6.7% | 0.00% | – |
| Q2 2015 | $45,000 | -16.7% | 750 | +7.1% | 0.00% | – |
| Q1 2015 | $54,000 | – | 700 | – | 0.00% | – |
Download | ||||||
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% |