Prem Watsa - Fairfax Financial Holdings
Holding/activity history for Spark Therapeutics Inc. (ONCE)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2019 Q4 | 0 | 0 | Sell 100.00% | 0.39 | |
| 2019 Q3 | 67,400 | 0.39 | Add 481.03% | 0.32 | $96.97 |
| 2019 Q2 | 11,600 | 0.07 | $102.41 | ||
| 2019 Q1 | 11,600 | 0.07 | Buy | 0.07 | $113.88 |