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 | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $102,581,000 | +54.8% | 1,057,752 | +63.4% | 0.05% | +60.0% |
| Q2 2019 | $66,268,000 | -7.1% | 647,276 | +3.4% | 0.03% | -16.7% |
| Q1 2019 | $71,312,000 | +1591.5% | 626,207 | +481.4% | 0.04% | +1100.0% |
| Q4 2018 | $4,216,000 | -25.2% | 107,700 | +4.3% | 0.00% | 0.0% |
| Q3 2018 | $5,635,000 | -52.6% | 103,301 | -28.1% | 0.00% | -50.0% |
| Q2 2018 | $11,894,000 | +225.2% | 143,726 | +161.6% | 0.01% | +200.0% |
| Q1 2018 | $3,658,000 | -26.0% | 54,939 | -42.9% | 0.00% | -33.3% |
| Q4 2017 | $4,946,000 | +46.7% | 96,184 | +154.3% | 0.00% | 0.0% |
| Q3 2017 | $3,372,000 | -93.7% | 37,823 | -95.8% | 0.00% | -93.3% |
| Q2 2017 | $53,331,000 | +968.5% | 892,704 | +854.0% | 0.04% | +800.0% |
| Q1 2017 | $4,991,000 | -75.8% | 93,570 | -77.4% | 0.01% | -76.2% |
| Q4 2016 | $20,654,000 | +3242.1% | 413,912 | +3918.6% | 0.02% | – |
| Q3 2016 | $618,000 | -5.1% | 10,300 | -19.1% | 0.00% | -100.0% |
| Q2 2016 | $651,000 | +267.8% | 12,728 | +226.7% | 0.00% | – |
| Q4 2015 | $177,000 | -79.1% | 3,896 | -80.8% | 0.00% | -100.0% |
| Q3 2015 | $845,000 | +230.1% | 20,240 | +375.9% | 0.00% | – |
| Q2 2015 | $256,000 | +39.1% | 4,253 | +79.6% | 0.00% | – |
| Q1 2015 | $184,000 | – | 2,368 | – | 0.00% | – |
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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% |