A.R.T. Advisors’s Liberty Broadband Class C LBRDK Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q3	–	Sell	-9,802	Closed	-$1.02M	–	1584
2019 Q2	$1.02M	Buy	+9,802	New	+$966K	0.06%	461
2018 Q2	–	Sell	-27,300	Closed	-$2.34M	–	1615
2018 Q1	$2.34M	Buy	27,300 +13,000	+91%	+$1.17M	0.09%	311
2017 Q4	$1.22M	Buy	14,300 +3,300	+30%	+$294K	0.05%	552
2017 Q3	$1.05M	Buy	+11,000	New	+$1.06M	0.05%	515
2016 Q4	–	Sell	-3,500	Closed	-$250K	–	1349
2016 Q3	$250K	Buy	+3,500	New	+$234K	0.08%	411
2016 Q2	–	Sell	-14,019	Closed	-$812K	–	1500
2016 Q1	$812K	Buy	+14,019	New	+$705K	0.04%	671
2015 Q4	–	Sell	-12,973	Closed	-$663K	–	1601
2015 Q3	$663K	Sell	12,973 -7,000	-35%	-$374K	0.02%	768
2015 Q2	$1.02M	Buy	+19,973	New	+$1.06M	0.03%	723