SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 166 filers reported holding SPARK THERAPEUTICS INC in Q1 2018. The put-call ratio across all filers is 1.09 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $2,378,000 | +1.1% | 24,523 | +6.7% | 0.01% | +25.0% |
| Q2 2019 | $2,352,000 | -19.9% | 22,980 | -10.8% | 0.00% | -20.0% |
| Q1 2019 | $2,935,000 | +191.2% | 25,775 | 0.0% | 0.01% | +150.0% |
| Q4 2018 | $1,008,000 | -24.5% | 25,775 | +5.4% | 0.00% | -33.3% |
| Q3 2018 | $1,335,000 | -19.4% | 24,459 | +22.2% | 0.00% | 0.0% |
| Q2 2018 | $1,657,000 | +24.8% | 20,021 | +0.4% | 0.00% | +50.0% |
| Q1 2018 | $1,328,000 | +82.4% | 19,942 | +42.7% | 0.00% | +100.0% |
| Q4 2017 | $728,000 | -92.6% | 13,973 | -87.3% | 0.00% | -94.1% |
| Q3 2017 | $9,781,000 | +549.0% | 109,698 | +334.8% | 0.02% | +466.7% |
| Q2 2017 | $1,507,000 | +103.4% | 25,228 | +81.6% | 0.00% | +200.0% |
| Q1 2017 | $741,000 | -16.1% | 13,893 | -20.5% | 0.00% | -50.0% |
| Q4 2016 | $883,000 | – | 17,466 | – | 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% |