Rock Springs Capital Management’s PRA Health Sciences, Inc. PRAH Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2019 Q3	–	Sell	-240,000	Closed	-$23.8M	–	145
2019 Q2	$23.8M	Hold	240,000	–	–	0.86%	43
2019 Q1	$26.5M	Buy	240,000 +40,000	+20%	+$4.41M	1.02%	32
2018 Q4	$18.4M	Sell	200,000 -88,247	-31%	-$8.12M	0.87%	36
2018 Q3	$31.8M	Hold	288,247	–	–	1.15%	22
2018 Q2	$26.9M	Sell	288,247 -106,753	-27%	-$9.97M	1.04%	29
2018 Q1	$32.8M	Sell	395,000 -82,500	-17%	-$6.84M	1.4%	19
2017 Q4	$43.5M	Hold	477,500	–	–	1.97%	10
2017 Q3	$36.4M	Buy	477,500 +15,000	+3%	+$1.14M	1.68%	15
2017 Q2	$34.7M	Buy	462,500 +5,000	+1%	+$375K	1.75%	16
2017 Q1	$29.8M	Buy	457,500 +157,500	+53%	+$10.3M	1.72%	16
2016 Q4	$16.5M	Buy	300,000 +47,000	+19%	+$2.59M	1.11%	28
2016 Q3	$14.3M	Hold	253,000	–	–	0.9%	35
2016 Q2	$10.6M	Hold	253,000	–	–	0.78%	41
2016 Q1	$10.8M	Hold	253,000	–	–	0.91%	34
2015 Q4	$11.5M	Hold	253,000	–	–	0.87%	39
2015 Q3	$9.82M	Sell	253,000 -32,000	-11%	-$1.24M	0.8%	44
2015 Q2	$10.4M	Hold	285,000	–	–	0.76%	44
2015 Q1	$8.22M	Hold	285,000	–	–	0.77%	45
2014 Q4	$6.9M	Buy	+285,000	New	+$6.9M	0.81%	45