Rock Springs Capital Management’s Global Blood Therapeutics, Inc. GBT Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2020 Q3	–	Sell	-288,279	Closed	-$18.2M	–	160
2020 Q2	$18.2M	Buy	288,279 +8,279	+3%	+$523K	0.5%	69
2020 Q1	$14.3M	Buy	280,000 +15,000	+6%	+$766K	0.59%	57
2019 Q4	$21.1M	Hold	265,000	–	–	0.67%	60
2019 Q3	$12.9M	Hold	265,000	–	–	0.51%	63
2019 Q2	$13.9M	Buy	265,000 +20,000	+8%	+$1.05M	0.5%	66
2019 Q1	$13M	Hold	245,000	–	–	0.5%	66
2018 Q4	$10.1M	Buy	245,000 +95,000	+63%	+$3.9M	0.47%	68
2018 Q3	$5.7M	Hold	150,000	–	–	0.21%	111
2018 Q2	$6.78M	Hold	150,000	–	–	0.26%	105
2018 Q1	$7.25M	Hold	150,000	–	–	0.31%	96
2017 Q4	$5.9M	Hold	150,000	–	–	0.27%	101
2017 Q3	$4.66M	Hold	150,000	–	–	0.21%	105
2017 Q2	$4.1M	Hold	150,000	–	–	0.21%	103
2017 Q1	$5.53M	Buy	150,000 +53,500	+55%	+$1.97M	0.32%	86
2016 Q4	$1.39M	Sell	96,500 -1,500	-2%	-$21.7K	0.09%	118
2016 Q3	$2.26M	Hold	98,000	–	–	0.14%	118
2016 Q2	$1.63M	Buy	98,000 +20,000	+26%	+$332K	0.12%	119
2016 Q1	$1.24M	Buy	78,000 +7,500	+11%	+$119K	0.1%	121
2015 Q4	$2.28M	Buy	70,500 +10,500	+18%	+$339K	0.17%	107
2015 Q3	$2.53M	Buy	+60,000	New	+$2.53M	0.21%	106