A.R.T. Advisors’s Fortinet FTNT Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2020 Q1	–	Sell	-240,365	Closed	-$5.13M	–	399
2019 Q4	$5.13M	Sell	240,365 -143,000	-37%	-$3.05M	0.25%	83
2019 Q3	$5.89M	Buy	383,365 +198,500	+107%	+$3.05M	0.29%	54
2019 Q2	$2.84M	Buy	+184,865	New	+$2.84M	0.16%	155
2019 Q1	–	Sell	-236,000	Closed	-$3.32M	–	1408
2018 Q4	$3.32M	Sell	236,000 -10,000	-4%	-$141K	0.21%	100
2018 Q3	$4.54M	Sell	246,000 -116,500	-32%	-$2.15M	0.21%	112
2018 Q2	$4.53M	Buy	362,500 +48,500	+15%	+$606K	0.18%	130
2018 Q1	$3.36M	Sell	314,000 -18,000	-5%	-$193K	0.14%	207
2017 Q4	$2.9M	Buy	+332,000	New	+$2.9M	0.13%	241
2017 Q3	–	Sell	-409,000	Closed	-$3.06M	–	1449
2017 Q2	$3.06M	Sell	409,000 -552,500	-57%	-$4.14M	0.16%	147
2017 Q1	$7.37M	Buy	961,500 +380,500	+65%	+$2.92M	0.34%	46
2016 Q4	$3.5M	Buy	581,000 +531,500	+1,074%	+$3.2M	0.21%	116
2016 Q3	$365K	Sell	49,500 -455,195	-90%	-$3.36M	0.12%	272
2016 Q2	$3.19M	Buy	504,695 +390,500	+342%	+$2.47M	0.16%	169
2016 Q1	$699K	Buy	+114,195	New	+$699K	0.03%	731
2015 Q3	–	Sell	-342,770	Closed	-$2.83M	–	1433
2015 Q2	$2.83M	Buy	+342,770	New	+$2.83M	0.09%	324
2014 Q4	–	Sell	-719,515	Closed	-$3.64M	–	1488
2014 Q3	$3.64M	Sell	719,515 -71,305	-9%	-$360K	0.17%	168
2014 Q2	$3.97M	Buy	+790,820	New	+$3.97M	0.21%	118
2014 Q1	–	Sell	-280,820	Closed	-$1.07M	–	1403
2013 Q4	$1.07M	Sell	280,820 -86,820	-24%	-$332K	0.06%	454
2013 Q3	$1.49M	Buy	367,640 +45,755	+14%	+$186K	0.08%	363
2013 Q2	$1.13M	Buy	+321,885	New	+$1.13M	0.04%	591