Asset Management One

Asset Management One’s Ecopetrol EC Stock Holding History

Asset Management One’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
2016 Q4	–	Sell	-8,462	Closed	-$74K	–	1055
2016 Q3	$74K	Buy	+8,462	New	+$74.7K	﹤0.01%	1284
2016 Q2	–	Sell	-18,651	Closed	-$161K	–	1317
2016 Q1	$161K	Hold	18,651	–	–	﹤0.01%	1254
2015 Q4	$131K	Hold	18,651	–	–	﹤0.01%	1274
2015 Q3	$160K	Hold	18,651	–	–	﹤0.01%	1241
2015 Q2	$247K	Sell	18,651 -44,271	-70%	-$678K	﹤0.01%	1222
2015 Q1	$968K	Sell	62,922 -11,900	-16%	-$193K	0.01%	894
2014 Q4	$1.29M	Buy	74,822 +8,500	+13%	+$202K	0.02%	778
2014 Q3	$2.09M	Buy	66,322 +4,000	+6%	+$137K	0.03%	595
2014 Q2	$2.26M	Buy	62,322 +2,600	+4%	+$98.3K	0.03%	521
2014 Q1	$2.42M	Buy	59,722 +2,700	+5%	+$96.7K	0.04%	462
2013 Q4	$2.21M	Sell	57,022 -1,000	-2%	-$43.7K	0.03%	499
2013 Q3	$2.68M	Buy	58,022 +2,174	+4%	+$98.5K	0.04%	435
2013 Q2	$2.26M	Buy	+55,848	New	+$2.55M	0.04%	450

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

Russell Investments Group

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

Wellington Management Group

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

JP Morgan Chase

JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return

BlackRock Group London, United Kingdom $209B AUM 15.5% 1-Year Est. Return

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

Dimensional Fund Advisors

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

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