Baker Bros. Advisors’s Prothena Corp PRTA Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2014 Q2	–	Sell	-230,142	Closed	-$8.82M	–	107
2014 Q1	$8.82M	Sell	230,142 -106,776	-32%	-$4.09M	0.11%	51
2013 Q4	$8.94M	Sell	336,918 -32,732	-9%	-$868K	0.13%	47
2013 Q3	$7.48M	Hold	369,650	–	–	0.11%	49
2013 Q2	$4.77M	Buy	+369,650	New	+$4.77M	0.09%	49