SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 181 filers reported holding SPARK THERAPEUTICS INC in Q3 2018. The put-call ratio across all filers is 1.88 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $1,079,193 | +1.4% | 11,128 | +7.0% | 0.02% | 0.0% |
| Q2 2019 | $1,064,649 | -8.4% | 10,399 | +1.9% | 0.02% | -14.3% |
| Q1 2019 | $1,162,373 | +191.0% | 10,207 | 0.0% | 0.02% | +162.5% |
| Q4 2018 | $399,502 | -28.2% | 10,207 | 0.0% | 0.01% | -20.0% |
| Q3 2018 | $556,792 | -99.9% | 10,207 | 0.0% | 0.01% | -28.6% |
| Q2 2018 | $844,732,000 | +40.5% | 10,207 | +13.1% | 0.01% | +75.0% |
| Q1 2018 | $601,108,000 | +132302.6% | 9,027 | +2.3% | 0.01% | +33.3% |
| Q4 2017 | $454,000 | -72.1% | 8,825 | -51.6% | 0.01% | -40.0% |
| Q3 2017 | $1,626,000 | +70.8% | 18,240 | +14.4% | 0.01% | +42.9% |
| Q2 2017 | $952,000 | +28.8% | 15,941 | +15.1% | 0.01% | +40.0% |
| Q1 2017 | $739,000 | +6.9% | 13,848 | 0.0% | 0.01% | 0.0% |
| Q4 2016 | $691,000 | -16.9% | 13,848 | 0.0% | 0.01% | -16.7% |
| Q3 2016 | $832,000 | +27.4% | 13,848 | +8.4% | 0.01% | +20.0% |
| Q2 2016 | $653,000 | +182.7% | 12,778 | +63.3% | 0.01% | +150.0% |
| Q1 2016 | $231,000 | -4.9% | 7,823 | +46.0% | 0.00% | 0.0% |
| Q4 2015 | $243,000 | +8.5% | 5,358 | 0.0% | 0.00% | 0.0% |
| Q3 2015 | $224,000 | -47.5% | 5,358 | -24.3% | 0.00% | -33.3% |
| Q2 2015 | $427,000 | – | 7,077 | – | 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% |