ZACKS INVESTMENT MANAGEMENT - ECOPETROL S A ownership

ECOPETROL S A's ticker is EC and the CUSIP is 279158109. A total of 134 filers reported holding ECOPETROL S A in Q3 2013. The put-call ratio across all filers is 27.67 and the average weighting 0.1%.

Quarter-by-quarter ownership
ZACKS INVESTMENT MANAGEMENT ownership history of ECOPETROL S A
ValueSharesWeighting
Q1 2014$219,000
+6.8%
5,366
+0.9%
0.01%0.0%
Q4 2013$205,000
-22.3%
5,320
-7.4%
0.01%
-27.3%
Q3 2013$264,0005,7440.01%
Other shareholders
ECOPETROL S A shareholders Q3 2013
NameSharesValueWeighting ↓
Global X Management CO LLC 632,501$10,828,0000.60%
CoreCommodity Management, LLC 45,380$777,0000.58%
Emerging Global Advisors, LLC 52,082$892,0000.34%
O'SHAUGHNESSY ASSET MANAGEMENT, LLC 719,037$11,276,0000.22%
Vollero Beach Capital Partners LLC 30,812$528,0000.16%
Stevens First Principles Investment Advisors 12,105$207,0000.14%
PEAR TREE ADVISORS INC 7,108$122,0000.10%
SCHRODER INVESTMENT MANAGEMENT GROUP 1,964,337$33,630,0000.07%
World Asset Management Inc 105,425$1,805,0000.06%
Renaissance Technologies 1,511,500$25,877,0000.06%
View complete list of ECOPETROL S A shareholders