BAM
ONCE

Burnham Asset Management’s Spark Therapeutics, Inc. Common Stock ONCE Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2016
Q2
Sell
-7,000
Closed -$221K 223
2016
Q1
$221K Hold
7,000
0.07% 195
2015
Q4
$317K Hold
7,000
0.09% 185
2015
Q3
$292K Sell
7,000
-8,000
-53% -$334K 0.08% 189
2015
Q2
$904K Buy
+15,000
New +$904K 0.21% 107