Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in EC held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 2.7M | $40.9M | +78.7% | 0.133% | 0.00% |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2.3M | $34.0M | β | 0.110% | 0.00% |
| 3 | TWO SIGMA INVESTMENTS, LP | 1.9M | $27.8M | +39.6% | 0.090% | 0.02% |
| 4 | VANGUARD FIDUCIARY TRUST CO | 1.8M | $27.2M | β | 0.088% | 0.01% |
| 5 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.7M | $25.0M | +18.2% | 0.081% | 0.00% |
| 6 | Connor, Clark & Lunn Investment Management Ltd. | 1.5M | $23.2M | β | 0.075% | 0.05% |
| 7 | D. E. Shaw & Co., Inc. | 1.3M | $19.0M | +83.6% | 0.062% | 0.02% |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 1.2M | $18.0M | β | 0.059% | 0.00% |
| 9 | AMERICAN CENTURY COMPANIES INC | 884K | $13.3M | +51.5% | 0.043% | 0.01% |
| 10 | GOLDMAN SACHS GROUP INC | 882K | $13.2M | -5.7% | 0.043% | 0.00% |
| 11 | MARSHALL WACE, LLP | 570K | $8.5M | +265.8% | 0.028% | 0.01% |
| 12 | Truffle Hound Capital, LLC | 550K | $8.2M | 0.0% | 0.027% | 5.05% |
| 13 | MORGAN STANLEY | 538K | $8.1M | -16.7% | 0.026% | 0.00% |
| 14 | Aventail Capital Group, LP | 460K | $6.9M | β | 0.022% | 0.33% |
| 15 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 436K | $6.5M | β | 0.021% | 0.00% |
| 16 | STATE STREET CORP | 362K | $5.4M | +12.0% | 0.018% | 0.00% |
| 17 | MILLENNIUM MANAGEMENT LLC | 324K | $4.9M | β | 0.016% | 0.00% |
| 18 | Fisher Asset Management, LLC | 324K | $4.8M | -27.3% | 0.016% | 0.00% |
| 19 | XTX Topco Ltd | 312K | $4.7M | +144.0% | 0.015% | 0.08% |
| 20 | BARCLAYS PLC | 270K | $4.1M | +173.4% | 0.013% | 0.00% |
| 21 | CWA Asset Management Group, LLC | 248K | $3.7M | +151.2% | 0.012% | 0.15% |
| 22 | Walleye Trading LLC | 247K | $3.7M | β | 0.012% | 0.01% |
| 23 | RENAISSANCE TECHNOLOGIES LLC | 239K | $3.6M | β | 0.012% | 0.01% |
| 24 | Engineers Gate Manager LP | 234K | $3.5M | +88.3% | 0.011% | 0.04% |
| 25 | UBS Group AG | 225K | $3.4M | -52.1% | 0.011% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in EC β a direct measure of their conviction.
Filings activity in EC during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 156 | +17% | 1.16% | +0.58 pp | $397M | +102% |
| Q4 2025 | 133 | +0.8% | 0.58% | +0.04 pp | $196M | +7.6% |
| Q3 2025 | 132 | 3.6% | 0.54% | 0.12 pp | $182M | 19% |
| Q2 2025 | 137 | +10% | 0.66% | 0.04 pp | $225M | 6.3% |
| Q1 2025 | 124 | +2.5% | 0.70% | +0.24 pp | $240M | +54% |
| Q4 2024 | 121 | +2.5% | 0.46% | 25.52 pp | $156M | 98% |
| Q3 2024 | 118 | 6.3% | 25.98% | +25.09 pp | $8.85B | +2822% |
| Q2 2024 | 126 | β | 0.89% | β | $303M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying EC stock.
Based on Q1 2026 13F filings, institutional ownership of Ecopetrol S.A. stands at 1.2%, held across 156 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of EC, with approximately 2,729,497 shares worth $0.04B as of Q1 2026.
Yes β 5 widely-followed marquee investors appear among the top 25 institutional holders of EC, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, TWO SIGMA INVESTMENTS, LP, MILLENNIUM MANAGEMENT LLC, Fisher Asset Management, LLC, RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for EC is 78 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
48 institutions opened new positions in EC during Q1 2026, while 25 fully exited. 95 added to existing positions and 12 trimmed.
EC institutional ownership rose by 0.58 percentage points quarter-over-quarter, with a net change of +23 holders.
The top 10 institutions account for 60.9% of all reported 13F value in EC, and the top 25 account for 81.1%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Ecopetrol S.A. (EC) Institutional Ownership