SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 170 filers reported holding SPARK THERAPEUTICS INC in Q3 2017. The put-call ratio across all filers is 1.40 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $18,193,000 | +201.5% | 187,596 | +218.3% | 0.14% | +186.0% |
| Q2 2019 | $6,034,000 | -47.5% | 58,939 | -41.6% | 0.05% | -7.4% |
| Q1 2019 | $11,496,000 | +9725.6% | 100,940 | +3281.6% | 0.05% | +5300.0% |
| Q4 2018 | $117,000 | -97.4% | 2,985 | -96.4% | 0.00% | -94.7% |
| Q3 2018 | $4,506,000 | +1245.1% | 82,616 | +1168.1% | 0.02% | +35.7% |
| Q4 2017 | $335,000 | -77.1% | 6,515 | -60.3% | 0.01% | -79.4% |
| Q3 2017 | $1,461,000 | -69.2% | 16,416 | -82.7% | 0.07% | +119.4% |
| Q4 2016 | $4,737,000 | +1069.6% | 94,927 | +591.0% | 0.03% | +675.0% |
| Q1 2016 | $405,000 | – | 13,738 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Twin Securities, Inc. | 290,793 | $28,201,000 | 17.00% |
| Boxer Capital, LLC | 1,650,000 | $160,017,000 | 11.60% |
| One68 Global Capital, LLC | 48,066 | $4,661,000 | 10.64% |
| EcoR1 Capital, LLC | 714,789 | $69,320,000 | 8.75% |
| Casdin Capital, LLC | 863,300 | $83,722,834,000 | 8.66% |
| STANSBERRY ASSET MANAGEMENT, LLC | 168,629 | $16,354,000 | 7.23% |
| HAVENS ADVISORS LLC | 81,300 | $7,884,000 | 7.17% |
| Chicago Capital Management, LLC | 121,000 | $11,735,000 | 6.12% |
| GARDNER LEWIS ASSET MANAGEMENT L P | 364,397 | $35,339,000 | 5.29% |
| Sandell Asset Management Corp. | 153,000 | $14,838,000 | 4.99% |