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

BCM

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

Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Kayne Anderson Rudnick Investment Management Los Angeles, California $32.2B AUM 10.98% 1-Year Est. Return

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

CCM

Cantillon Capital Management New York $665M AUM 25.91% 1-Year Est. Return

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

Select Equity Group New York $20.2B AUM 17.52% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

A.R.T. Advisors's IBKR Position: Q4 2018 in Review

A.R.T. Advisors sold out of Interactive Brokers (IBKR) in Q4 2018, closing a stake of 145,600 shares — an estimated $2.01M sold.

A.R.T. Advisors first reported a position in IBKR in Q3 2013 and held it in 7 quarters. The position peaked at $2.12M in Q2 2018. 249 funds tracked by Wall St. Rank hold IBKR as of Q4 2018.

A.R.T. Advisors reported no remaining Interactive Brokers position as of Q4 2018 after selling out during the quarter.
A.R.T. Advisors sold 145,600 Interactive Brokers shares in Q4 2018, an estimated $2.01M.
A.R.T. Advisors first reported a position in Interactive Brokers in Q3 2013 and held it in 7 quarters.
A.R.T. Advisors's Interactive Brokers position peaked at $2.12M in Q2 2018.
249 funds tracked by Wall St. Rank held Interactive Brokers as of Q4 2018.

Based on A.R.T. Advisors's 13F filing for Q4 2018, filed 14 Feb 2019.