A.R.T. Advisors’s Interactive Brokers IBKR Stock Holding History

A.R.T. Advisors’s Portfolio IBKR Stock Details IBKR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2018 Q4	–	Sell	-145,600	Closed	-$2.01M	–	1473
2018 Q3	$2.01M	Buy	145,600 +14,000	+11%	+$212K	0.09%	290
2018 Q2	$2.12M	Buy	+131,600	New	+$2.38M	0.09%	345
2017 Q1	–	Sell	-76,800	Closed	-$700K	–	1550
2016 Q4	$700K	Buy	+76,800	New	+$699K	0.04%	607
2016 Q3	–	Sell	-44,500	Closed	-$393K	–	869
2016 Q2	$393K	Buy	+44,500	New	+$424K	0.02%	880
2016 Q1	–	Sell	-162,100	Closed	-$1.77M	–	1496
2015 Q4	$1.77M	Sell	162,100 -26,400	-14%	-$275K	0.08%	333
2015 Q3	$1.86M	Buy	+188,500	New	+$1.94M	0.07%	402
2013 Q4	–	Sell	-42,036	Closed	-$197K	–	1364
2013 Q3	$197K	Buy	+42,036	New	+$180K	0.01%	1140

Other funds holding IBKR

Bares Capital Management Austin, Texas $1.08B AUM 38.13% 1-Year Est. Return

Baillie Gifford & Co

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Kayne Anderson Rudnick Investment Management

Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Cantillon Capital Management New York $15.1B AUM 23.54% 1-Year Est. Return

Echinus Advisors New York $881M AUM 6.76% 1-Year Est. Return

Select Equity Group

Select Equity Group New York $19.5B AUM 17.33% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Dimensional Fund Advisors

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return