SPARK THERAPEUTICS INC's ticker is ONCE and the CUSIP is 84652J103. A total of 102 filers reported holding SPARK THERAPEUTICS INC in Q4 2015. The put-call ratio across all filers is 0.54 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $50,251,000 | -6.5% | 1,007,040 | +12.6% | 0.01% | -18.2% |
| Q3 2016 | $53,725,000 | +38.3% | 894,515 | +17.8% | 0.01% | +22.2% |
| Q2 2016 | $38,834,000 | +132.7% | 759,506 | +34.3% | 0.01% | +125.0% |
| Q1 2016 | $16,687,000 | -24.6% | 565,465 | +15.8% | 0.00% | -20.0% |
| Q4 2015 | $22,131,000 | +176.5% | 488,435 | +154.6% | 0.01% | +150.0% |
| Q3 2015 | $8,005,000 | -31.5% | 191,832 | -1.0% | 0.00% | -33.3% |
| Q2 2015 | $11,681,000 | -25.9% | 193,815 | -4.7% | 0.00% | -25.0% |
| Q1 2015 | $15,755,000 | – | 203,291 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Casdin Capital, LLC | 170,000 | $5,017,000 | 5.76% |
| Rock Springs Capital Management LP | 580,500 | $17,131,000 | 1.44% |
| Opus Point Partners Management, LLC | 31,500 | $930,000 | 0.72% |
| Bain Capital Public Equity Management, LLC | 424,114 | $12,516,000 | 0.46% |
| Baker Brothers Advisors | 1,262,382 | $37,253,000 | 0.39% |
| MARINER INVESTMENT GROUP LLC | 34,350 | $1,014,000 | 0.28% |
| Eventide Asset Management | 150,000 | $4,427,000 | 0.25% |
| Virtus ETF Advisers LLC | 5,251 | $155,000 | 0.21% |
| EMERALD ADVISERS, LLC | 123,970 | $3,658,000 | 0.18% |
| Endurant Capital Management LP | 17,500 | $516,000 | 0.17% |