Holder evidence
50
SEC ownership of ECOPETROL S.A.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001444406.
Lead holder
BlackRock, Inc.
13D/G signal
—
Latest evidence
31 Mar 2026
- CIK
- 0001444406
- Symbol
- EC on NYSE
- Location
- Bogota
- SEC evidence mix
- 13F
- Lead holder
- BlackRock, Inc.
- Latest evidence date
- 31 Mar 2026
Issuer identity
Ownership snapshot
Ownership snapshot
Top shareholders of ECOPETROL S.A. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
BlackRock, Inc.
13D/G signal
—
Evidence rows
50
Latest as of
31 Mar 2026
Rank 1 holder
BlackRock, Inc.
13F
- Ownership
- —
- Position
- $40.92M
Rank 2 holder
TWO SIGMA INVESTMENTS, LP
13F
- Ownership
- —
- Position
- $27.78M
Rank 3 holder
VANGUARD FIDUCIARY TRUST CO
13F
- Ownership
- —
- Position
- $27.19M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
Company
|
—
class O/S missing
|
$40,915,168
2,729,497 shares
|
— | 31 Mar 2026 |
| TWO SIGMA INVESTMENTS, LP |
13F
Company
|
—
class O/S missing
|
$27,780,817
1,853,290 shares
|
— | 31 Mar 2026 |
| VANGUARD FIDUCIARY TRUST CO |
13F
Company
|
—
class O/S missing
|
$27,189,132
1,813,818 shares
|
— | 31 Mar 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
Company
|
—
class O/S missing
|
$24,954,393
1,664,736 shares
|
— | 31 Mar 2026 |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
Company
|
—
class O/S missing
|
$23,217,696
1,548,879 shares
|
— | 31 Mar 2026 |
| D. E. Shaw & Co., Inc. |
13F
Company
|
—
class O/S missing
|
$19,003,123
1,267,720 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$18,019,374
1,202,093 shares
|
— | 31 Mar 2026 |
| AMERICAN CENTURY COMPANIES INC |
13F
Company
|
—
class O/S missing
|
$13,252,179
884,068 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 30 May 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Current reporting-owner rows connected to ECOPETROL S.A.. Open the relationship link for the CIK-to-CIK filing trail.
Rows
14
Lead holder
Carolina Arias Hurtado
Net 12M change
$0
Latest report
18 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Carolina Arias Hurtado | Director | Mixed | 18 Mar 2026 | |||
| Juan Gonzalo Castano Valderrama | Director | Mixed | 18 Mar 2026 | |||
| Cesar Eduardo Loza Arenas | Director | Mixed | 18 Mar 2026 | |||
| Hildebrando Velez Galeano | Director | Mixed | 18 Mar 2026 | |||
| Alfonso Camilo Barco Munoz | Chief Financial Officer | Mixed | 18 Mar 2026 | |||
| Julio Cesar Herrera Martinez | VP of Commercial and Marketing | Mixed | 18 Mar 2026 | |||
| Ricardo Rodriguez Yee | Director | Mixed | 18 Mar 2026 | |||
| Ricardo Roa Barragan | President | Mixed | 18 Mar 2026 | |||
| Alberto Jose Merlano Alcocer | Director | Mixed | 18 Mar 2026 | |||
| Luis Felipe Henao Cardona | Director | Mixed | 18 Mar 2026 | |||
| Lilia Tatiana Roa Avendano | Director | Mixed | 18 Mar 2026 | |||
| Angela Maria Robledo Gomez | Director | Mixed | 18 Mar 2026 | |||
| Juan Carlos Hurtado Parra | EVP of Hydrocarbons | Mixed | 18 Mar 2026 | |||
| Bayron Triana Arias | EVP of Energy for Transition | Mixed | 18 Mar 2026 |
Recent insider transactions for ECOPETROL S.A.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Bayron Triana Arias | EC | Common Shares | 0 | 28,000 | 18 Mar 2026 | By Fund | ||||
| Bayron Triana Arias | EC | Common Shares | 0 | 1,891 | 18 Mar 2026 | By Wife | ||||
| Juan Carlos Hurtado Parra | EC | Common Shares | 0 | 2,000 | 18 Mar 2026 | Direct | ||||
| Alfonso Camilo Barco Munoz | EC | Common Shares | 0 | 1,197 | 18 Mar 2026 | By Stepson |
* indicates a reported price that failed the local validity check.