SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 97 filers reported holding SPARK THERAPEUTICS INC in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $3,840,000 | -15.9% | 76,945 | +1.2% | 0.00% | -33.3% |
| Q3 2016 | $4,566,000 | +40.1% | 76,023 | +19.3% | 0.01% | +50.0% |
| Q2 2016 | $3,260,000 | +248.7% | 63,750 | +101.2% | 0.00% | +300.0% |
| Q1 2016 | $935,000 | -23.9% | 31,687 | +16.8% | 0.00% | -50.0% |
| Q4 2015 | $1,229,000 | +8.7% | 27,119 | +0.0% | 0.00% | 0.0% |
| Q3 2015 | $1,131,000 | -36.1% | 27,112 | -7.7% | 0.00% | 0.0% |
| Q2 2015 | $1,771,000 | -30.1% | 29,378 | -10.2% | 0.00% | -33.3% |
| Q1 2015 | $2,535,000 | – | 32,715 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Twin Securities, Inc. | 320,653 | $32,828,000 | 11.88% |
| Casdin Capital, LLC | 884,800 | $90,585,824,000 | 8.48% |
| One68 Global Capital, LLC | 60,048 | $6,148,000 | 7.74% |
| STANSBERRY ASSET MANAGEMENT, LLC | 167,605 | $17,159,000 | 6.76% |
| EcoR1 Capital, LLC | 614,128 | $62,874,000 | 6.35% |
| Chicago Capital Management, LLC | 121,000 | $12,388,000 | 5.33% |
| Boxer Capital, LLC | 600,000 | $61,428,000 | 5.28% |
| Sandell Asset Management Corp. | 428,310 | $43,850,000 | 4.96% |
| GARDNER LEWIS ASSET MANAGEMENT L P | 375,397 | $38,433,000 | 4.71% |
| SPRING CREEK CAPITAL LLC | 126,000 | $12,900,000 | 4.65% |