A.R.T. Advisors’s Ecopetrol EC Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q4	–	Sell	-31,397	Closed	-$535K	–	1425
2019 Q3	$535K	Buy	31,397 +2,500	+9%	+$43.3K	0.03%	829
2019 Q2	$529K	Buy	+28,897	New	+$541K	0.03%	727
2019 Q1	–	Sell	-75,697	Closed	-$1.2M	–	1379
2018 Q4	$1.2M	Buy	75,697 +11,297	+18%	+$242K	0.08%	380
2018 Q3	$1.73M	Sell	64,400 -23,100	-26%	-$511K	0.08%	339
2018 Q2	$1.8M	Buy	+87,500	New	+$1.85M	0.07%	401
2017 Q3	–	Sell	-16,400	Closed	-$149K	–	1415
2017 Q2	$149K	Buy	+16,400	New	+$153K	0.01%	1208
2016 Q4	–	Sell	-18,100	Closed	-$158K	–	1309
2016 Q3	$158K	Buy	+18,100	New	+$160K	0.05%	526
2016 Q1	–	Sell	-62,418	Closed	-$437K	–	1432
2015 Q4	$437K	Buy	+62,418	New	+$538K	0.02%	920
2015 Q1	–	Sell	-28,534	Closed	-$488K	–	1482
2014 Q4	$488K	Sell	28,534 -23,608	-45%	-$562K	0.02%	938
2014 Q3	$1.63M	Buy	52,142 +43,594	+510%	+$1.49M	0.08%	351
2014 Q2	$308K	Buy	+8,548	New	+$323K	0.02%	980
2014 Q1	–	Sell	-28,224	Closed	-$1.08M	–	1378
2013 Q4	$1.08M	Buy	28,224 +23,402	+485%	+$1.02M	0.06%	452
2013 Q3	$221K	Sell	4,822 -146,211	-97%	-$6.63M	0.01%	1098
2013 Q2	$6.35M	Buy	+151,033	New	+$6.9M	0.21%	136

Other funds holding EC

Acadian Asset Management

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Renaissance Technologies

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return

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

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

Ashmore Group London, United Kingdom $16.3M AUM 57.83% 1-Year Est. Return

Fisher Asset Management

Fisher Asset Management Camas, Washington $295B AUM 31.6% 1-Year Est. Return

Legal & General Group

Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return

Parametric Portfolio Associates Seattle, Washington $190B AUM 18.52% 1-Year Est. Return