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 | $17,420,000 | -17.6% | 179,627 | -13.1% | 0.00% | -33.3% |
| Q2 2019 | $21,153,000 | +16.5% | 206,615 | +29.6% | 0.00% | 0.0% |
| Q1 2019 | $18,160,000 | +6.0% | 159,479 | -63.6% | 0.00% | 0.0% |
| Q4 2018 | $17,131,000 | +142.6% | 437,676 | +238.2% | 0.00% | +200.0% |
| Q3 2018 | $7,060,000 | -2.3% | 129,403 | +48.2% | 0.00% | 0.0% |
| Q2 2018 | $7,226,000 | -42.6% | 87,327 | -53.8% | 0.00% | -50.0% |
| Q1 2018 | $12,578,000 | +388.7% | 188,907 | +277.3% | 0.00% | – |
| Q4 2017 | $2,574,000 | -44.2% | 50,073 | -3.2% | 0.00% | – |
| Q3 2017 | $4,612,000 | +1583.2% | 51,719 | +1025.5% | 0.00% | – |
| Q2 2017 | $274,000 | -82.3% | 4,595 | -84.2% | 0.00% | – |
| Q1 2017 | $1,551,000 | +212.7% | 29,066 | +192.5% | 0.00% | – |
| Q4 2016 | $496,000 | +785.7% | 9,936 | +947.0% | 0.00% | – |
| Q3 2016 | $56,000 | -62.7% | 949 | -67.7% | 0.00% | – |
| Q2 2016 | $150,000 | +7400.0% | 2,935 | +5236.4% | 0.00% | – |
| Q1 2016 | $2,000 | -99.3% | 55 | -99.1% | 0.00% | – |
| Q4 2015 | $288,000 | +119.8% | 6,360 | +103.5% | 0.00% | – |
| Q3 2015 | $131,000 | -73.5% | 3,125 | -62.0% | 0.00% | – |
| Q2 2015 | $495,000 | +49400.0% | 8,218 | +91211.1% | 0.00% | – |
| Q1 2015 | $1,000 | – | 9 | – | 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% |