Stock Ownership/EC

ECOPETROL-SP ADR (EC): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in EC · Energy. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
11
13F filers
Aggregate Value
$94.3M
Across holders
Last Price
$17.33
2026-08-24
Sector
Energy
GICS
Quarterly fund activity4 increased7 reduced5 exited
Full exits: VOLORIDGE INVESTMENT MANAGEMENT, LLC, Verition Fund Management LLC, Point72 Asset Management, L.P., CITADEL ADVISORS LLC, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Institutional Holders of EC
↗
11 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund2.64M$37.5M39.8%0.0%Added+$34.5MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund996K$14.2M15.0%0.0%Reduced$-12.2MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund899K$12.8M13.6%0.0%Added+$9.4MQ2 2026
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund828K$11.9M12.6%0.1%Added—Q2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund747K$10.6M11.3%0.0%Added+$6.0MQ2 2026
Fisher Asset Management, LLC
CIK 0000850529
Institutional Manager251K$3.6M3.8%0.0%Reduced$-1.0MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund203K$2.9M3.1%0.0%Reduced$-33.2MQ2 2026
Grantham, Mayo, Van Otterloo & Co. LLC
CIK 0001352662
Institutional Manager35K$494K0.5%0.0%Reduced$-1.7MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund13K$184K0.2%0.0%Reduced$-952KQ2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund5K$74K0.1%0.0%Reduced$-502KQ2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$37.5M· 39.8% of total· 0.0% port· 2.64M sh· +$34.5M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$14.2M· 15.0% of total· 0.0% port· 996K sh· $-12.2M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$12.8M· 13.6% of total· 0.0% port· 899K sh· +$9.4M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$11.9M· 12.6% of total· 0.1% port· 828K sh· — QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$10.6M· 11.3% of total· 0.0% port· 747K sh· +$6.0M QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$3.6M· 3.8% of total· 0.0% port· 251K sh· $-1.0M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$2.9M· 3.1% of total· 0.0% port· 203K sh· $-33.2M QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCReduced
Institutional Manager
$494K· 0.5% of total· 0.0% port· 35K sh· $-1.7M QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$184K· 0.2% of total· 0.0% port· 13K sh· $-952K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$74K· 0.1% of total· 0.0% port· 5K sh· $-502K QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$2K· 0.0% of total· 0.0% port· 145 sh· $-770K QoQ· Q2 2026
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