Baker Bros. Advisors’s Juno Therapeutics, Inc. JUNO Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2017 Q3	–	Sell	-50,000	Closed	-$1.5M	–	129
2017 Q2	$1.5M	Hold	50,000	–	–	0.01%	93
2017 Q1	$1.11M	Sell	50,000 -30,000	-38%	-$666K	0.01%	99
2016 Q4	$1.51M	Hold	80,000	–	–	0.01%	98
2016 Q3	$2.4M	Hold	80,000	–	–	0.02%	91
2016 Q2	$3.08M	Hold	80,000	–	–	0.03%	83
2016 Q1	$3.05M	Hold	80,000	–	–	0.03%	87
2015 Q4	$3.52M	Hold	80,000	–	–	0.03%	89
2015 Q3	$3.26M	Hold	80,000	–	–	0.03%	88
2015 Q2	$4.27M	Sell	80,000 -20,000	-20%	-$1.07M	0.04%	83
2015 Q1	$6.07M	Hold	100,000	–	–	0.05%	70
2014 Q4	$5.22M	Buy	+100,000	New	+$5.22M	0.05%	73