Ecopetrol S.A. (EC) Ownership
EC ownership summary
as of October 18, 2026- Institutions
- 1.4% of shares outstanding
- Insiders
- 0.00% of shares outstanding
- Shares outstanding
- 2.06B
- Float
- 473.2M shares available to trade
- Short interest
- 2.97% 7.0M shares short
- Days to cover
- 4.21 short interest down 1.3% vs prior month
- Institutions 1.45%
- Insiders 0.00%
- Other investors 98.55%
EC top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 0.01% | 4.1M | $73.5M | +1.4M (+50.4%) | June 30, 2026 |
| 2 | Marshall Wace Asset Management Ltd | 0.01% | 2.6M | $47.2M | +2.1M (+362.3%) | June 30, 2026 |
| 3 | Charles Schwab Investment Management Inc | <0.01% | 1.8M | $33.0M | +176,967 (+10.6%) | June 30, 2026 |
| 4 | Vanguard Fiduciary Trust Co | <0.01% | 1.8M | $32.5M | +4,037 (+0.2%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | <0.01% | 1.2M | $22.3M | +44,791 (+3.7%) | June 30, 2026 |
| 6 | Two Sigma Investments LLC | <0.01% | 996K | $17.8M | −856,903 (−46.2%) | June 30, 2026 |
| 7 | American Century Companies Inc | <0.01% | 963K | $17.2M | +78,715 (+8.9%) | June 30, 2026 |
| 8 | Renaissance Technologies Corp | <0.01% | 899K | $16.1M | +660,400 (+276.3%) | June 30, 2026 |
| 9 | The Goldman Sachs Group Inc | <0.01% | 891K | $15.9M | +8,931 (+1.0%) | June 30, 2026 |
| 10 | Morgan Stanley - Brokerage Accounts | <0.01% | 885K | $15.8M | +347,237 (+64.6%) | June 30, 2026 |
| 11 | Brevan Howard Capital Management LP | <0.01% | 828K | $14.8M | +828,314 (0.0%) | June 30, 2026 |
| 12 | Millennium Management LLC | <0.01% | 747K | $13.4M | +423,427 (+130.7%) | June 30, 2026 |
| 13 | Aventail Capital Group, LP | <0.01% | 747K | $13.4M | +286,939 (+62.4%) | June 30, 2026 |
| 14 | Barclays PLC | <0.01% | 737K | $13.2M | +466,407 (+172.4%) | June 30, 2026 |
| 15 | Connor Clark & Lunn Inv Mgmt Ltd | <0.01% | 688K | $12.3M | −860,758 (−55.6%) | June 30, 2026 |
| 16 | UBS Group AG | <0.01% | 552K | $9.9M | +327,573 (+145.9%) | June 30, 2026 |
| 17 | Truffle Hound Capital, LLC | <0.01% | 430K | $7.7M | −120,000 (−21.8%) | June 30, 2026 |
| 18 | Banco BTG Pactual S.A. | <0.01% | 403K | $7.2M | +216,805 (+116.6%) | June 30, 2026 |
| 19 | Group One Trading, LLC | <0.01% | 372K | $6.7M | +240,859 (+183.7%) | June 30, 2026 |
| 20 | State Street Corp | <0.01% | 327K | $5.9M | −34,558 (−9.6%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 7.6M shares and 4 cut 1.9M.
EC top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Schwab Fundamental Emerging MarketsEqETF | <0.01% | 1.6M | $29.3M | — | September 30, 2026 |
| 2 | iShares Latin America 40 ETF | <0.01% | 1.5M | $26.6M | — | September 30, 2026 |
| 3 | Avantis Emerging Markets Equity ETF | <0.01% | 960K | $17.2M | — | September 30, 2026 |
| 4 | Vanguard Emerging Mkts Stock Idx Inv | <0.01% | 959K | $17.2M | +19,753 (+2.1%) | August 31, 2026 |
| 5 | Huber Portfolio I EUR | <0.01% | 700K | $12.5M | — | August 31, 2026 |
| 6 | JPM Latin America Equity A dist USD | <0.01% | 338K | $6.0M | +337,703 (0.0%) | September 30, 2026 |
| 7 | Schwab Fundamental Emerging Mkts Eq Idx | <0.01% | 302K | $5.4M | +2,833 (+0.9%) | August 31, 2026 |
| 8 | Vanguard FTSE All-Wld ex-US ETF | <0.01% | 257K | $4.6M | — | August 31, 2026 |
| 9 | Goldman Sachs Em Mkts Eq Insghts Intl | <0.01% | 257K | $4.6M | +256,785 (0.0%) | July 31, 2026 |
| 10 | State Street® SPDR® S&P® Glb Ntrl Rs ETF | <0.01% | 235K | $4.2M | — | September 30, 2026 |
| 11 | iShares Global Energy ETF | <0.01% | 201K | $3.6M | — | September 30, 2026 |
| 12 | Sanlam Anchor Global Equity A USD Acc | <0.01% | 172K | $3.1M | — | September 30, 2026 |
| 13 | SEI World Equity Ex-US A (SIIT) | <0.01% | 148K | $2.6M | — | September 30, 2026 |
| 14 | Vanguard Total World Stock ETF | <0.01% | 145K | $2.6M | +16,308 (+12.6%) | August 31, 2026 |
| 15 | Pacific Select Emerging Markets I | <0.01% | 143K | $2.6M | +142,752 (0.0%) | July 31, 2026 |
| 16 | Barometer International Equity A | <0.01% | 134K | $2.4M | — | September 30, 2026 |
| 17 | FID DC L&G RBS World Emerging Markets | <0.01% | 91K | $1.6M | — | June 30, 2026 |
| 18 | ActivePassive International Equity ETF | <0.01% | 91K | $1.6M | — | September 30, 2026 |
| 19 | Vanguard Intl Hi Div Yld Idx ETF | <0.01% | 70K | $1.3M | +34,843 (+98.2%) | August 31, 2026 |
| 20 | ZIF Aktien Emerging Markets CHF A1 | <0.01% | 69K | $1.2M | −77,118 (−52.6%) | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
EC shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns EC
Institutional investors own 1.4% of Ecopetrol's shares and insiders 0.00%. The largest holder is BlackRock Inc with 0.01% of the shares (4.1M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 4 reduced their stake in the latest filings. Short interest is 2.97% of the float, or 4.21 days of average trading volume.
Related: EC analyst forecast, EC key metrics, EC dividend history. See the EC stock overview for the latest quote and news.
EC ownership FAQ
Who owns the most Ecopetrol stock?
The largest shareholders of Ecopetrol are BlackRock Inc (0.01%), Marshall Wace Asset Management Ltd (0.01%), Charles Schwab Investment Management Inc (<0.01%), Vanguard Fiduciary Trust Co (<0.01%), Vanguard Capital Management, LLC (<0.01%).
What percentage of Ecopetrol is owned by institutions?
Institutions hold 1.4% of Ecopetrol's shares outstanding; insiders hold 0.00%.
Which funds own Ecopetrol?
The largest fund holders of Ecopetrol are Schwab Fundamental Emerging MarketsEqETF (<0.01%), iShares Latin America 40 ETF (<0.01%), Avantis Emerging Markets Equity ETF (<0.01%), Vanguard Emerging Mkts Stock Idx Inv (<0.01%), Huber Portfolio I EUR (<0.01%).
What is Ecopetrol's short interest?
7.0M shares of Ecopetrol were sold short, 2.97% of the float; at the average daily volume it would take 4.21 days to cover.
How many shares of Ecopetrol are outstanding?
Ecopetrol has 2.06B shares outstanding, of which 473.2M are in the public float.