SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 121 filers reported holding SPARK THERAPEUTICS INC in Q4 2016. The put-call ratio across all filers is 0.53 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $6,811,000 | +183.8% | 59,811 | -2.4% | 0.01% | +150.0% |
| Q4 2018 | $2,400,000 | -64.9% | 61,308 | -51.1% | 0.00% | 0.0% |
| Q3 2018 | $6,842,000 | +20.2% | 125,442 | +82.4% | 0.00% | -50.0% |
| Q2 2018 | $5,693,000 | +33.5% | 68,785 | +7.4% | 0.00% | +33.3% |
| Q1 2018 | $4,266,000 | +10.8% | 64,065 | -14.4% | 0.00% | 0.0% |
| Q4 2017 | $3,849,000 | -45.3% | 74,852 | -5.2% | 0.00% | -40.0% |
| Q3 2017 | $7,040,000 | +88.6% | 78,957 | +26.4% | 0.01% | +66.7% |
| Q2 2017 | $3,733,000 | +34.8% | 62,480 | +20.3% | 0.00% | +50.0% |
| Q1 2017 | $2,770,000 | +0.4% | 51,936 | -6.0% | 0.00% | 0.0% |
| Q4 2016 | $2,758,000 | -18.8% | 55,276 | -2.3% | 0.00% | 0.0% |
| Q3 2016 | $3,398,000 | +27.3% | 56,584 | +8.4% | 0.00% | 0.0% |
| Q2 2016 | $2,670,000 | +233.3% | 52,214 | +92.5% | 0.00% | +100.0% |
| Q1 2016 | $801,000 | -66.0% | 27,128 | -47.8% | 0.00% | -50.0% |
| Q4 2015 | $2,356,000 | +48.6% | 51,998 | +36.9% | 0.00% | +100.0% |
| Q3 2015 | $1,585,000 | -65.9% | 37,988 | -50.8% | 0.00% | -66.7% |
| Q2 2015 | $4,653,000 | +363.4% | 77,195 | +495.6% | 0.00% | +200.0% |
| Q1 2015 | $1,004,000 | – | 12,961 | – | 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% |