Prem Watsa - Fairfax Financial Holdings Ltd
Period: Q1 2026
Portfolio date: 31 Mar 2026
No. of stocks: 29
Portfolio value: $1,942,669,475
Holding/activity history for Spark Therapeutics Inc (ONCE)
| Period |
Shares |
% of Portfolio |
Activity |
% Change to Portfolio |
Reported Price |
Value |
Filing |
| 2019 Q4 |
0 |
0.00 |
Sell 100.00%
|
0.39 |
|
|
SEC |
| 2019 Q3 |
67,400 |
0.39 |
Add 481.03%
|
0.32 |
$96.97 |
$6,536,000 |
SEC |
| 2019 Q2 |
11,600 |
0.07 |
|
|
$102.41 |
$1,188,000 |
SEC |
| 2019 Q1 |
11,600 |
0.07 |
Buy
|
0.07 |
$113.88 |
$1,321,000 |
SEC |