SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 93 filers reported holding SPARK THERAPEUTICS INC in Q3 2015. The put-call ratio across all filers is 2.73 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $216,000 | -61.6% | 3,959 | -41.7% | 0.00% | -50.0% |
| Q2 2018 | $562,000 | +21.1% | 6,796 | -2.4% | 0.00% | +33.3% |
| Q1 2018 | $464,000 | -12.8% | 6,962 | -32.7% | 0.00% | -25.0% |
| Q4 2017 | $532,000 | +136.4% | 10,348 | +310.8% | 0.00% | +300.0% |
| Q3 2017 | $225,000 | +81.5% | 2,519 | +3.6% | 0.00% | 0.0% |
| Q2 2016 | $124,000 | +96.8% | 2,432 | +14.0% | 0.00% | – |
| Q1 2016 | $63,000 | +8.6% | 2,133 | +66.9% | 0.00% | – |
| Q4 2015 | $58,000 | +31.8% | 1,278 | +21.1% | 0.00% | – |
| Q3 2015 | $44,000 | +120.0% | 1,055 | +217.8% | 0.00% | – |
| Q2 2015 | $20,000 | – | 332 | – | 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% |