SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 121 filers reported holding SPARK THERAPEUTICS INC in Q4 2016. The put-call ratio across all filers is 0.53 and the average weighting 0.3%.
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 | 93,500 | $5,616,000 | 4.55% |
| Rock Springs Capital Management LP | 625,000 | $37,538,000 | 2.35% |
| Bain Capital Public Equity Management, LLC | 367,314 | $22,061,000 | 1.43% |
| EcoR1 Capital, LLC | 68,600 | $4,120,000 | 1.26% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 368,000 | $22,102,000 | 1.03% |
| Baker Brothers Advisors | 1,318,341 | $79,180,000 | 0.72% |
| Eventide Asset Management | 150,000 | $9,009,000 | 0.55% |
| FEDERATED HERMES, INC. | 1,633,900 | $98,132,000 | 0.28% |
| Iguana Healthcare Management, LLC | 25,000 | $1,502,000 | 0.27% |
| BAILARD, INC. | 40,600 | $2,442,000 | 0.22% |