ECOPETROL SA-SPONSORED ADR (EC) Institutional Shareholders
ECOPETROL SA-SPONSORED ADR (EC) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $430.61M in EC holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of EC tracked by InsiderSet, reporting ownership valued at approximately $58.46M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $72.18M, representing an estimated gain of +23.46% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 57% of the total disclosed EC value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Marshall Wace, Llp, Gfs Advisors, Llc, and several other long-term asset managers with concentrated positions in ECOPETROL SA-SPONSORED ADR (EC).
This page ranks the largest institutional EC shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
160
Total Reported Value
$430.61M
Largest Holder
Blackrock, Inc.
Largest Position
$58.46M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
108
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 4,105,675 | $58,464,819 | $72,177,767 | +$13,712,948 | +23.46% | |
| Marshall Wace, Llp | 0.03% | 2,636,516 | $37,543,990 | $46,349,951 | +$8,805,961 | +23.46% | |
| Gfs Advisors, Llc | 2.94% | 2,200 | $27,884,004 | $38,676 | -$27,845,328 | -99.86% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,841,703 | $26,225,851 | $32,377,139 | +$6,151,288 | +23.46% | |
| Vanguard Fiduciary Trust Co | 0.01% | 1,817,855 | $25,886,255 | $31,957,891 | +$6,071,636 | +23.46% | |
| Vanguard Capital Management Llc | 0.00% | 1,246,884 | $17,755,628 | $21,920,221 | +$4,164,593 | +23.46% | |
| Two Sigma Investments, Lp | 0.01% | 996,387 | $14,188,551 | $17,516,483 | +$3,327,932 | +23.46% | |
| American Century Companies Inc | 0.01% | 962,783 | $13,710,030 | $16,925,725 | +$3,215,695 | +23.46% | |
| Renaissance Technologies LLC | Jim Simons | 0.02% | 899,400 | $12,807,456 | $15,811,452 | +$3,003,996 | +23.46% |
| Goldman Sachs Group Inc | 0.00% | 890,821 | $12,685,294 | $15,660,633 | +$2,975,339 | +23.46% | |
| Morgan Stanley | 0.00% | 884,827 | $12,599,956 | $15,555,259 | +$2,955,303 | +23.45% | |
| Brevan Howard Capital Management Lp | 0.17% | 828,314 | $11,911,155 | $14,561,760 | +$2,650,605 | +22.25% | |
| Millennium Management Llc | 0.01% | 747,485 | $10,644,186 | $13,140,786 | +$2,496,600 | +23.46% | |
| Aventail Capital Group, Lp | 0.61% | 747,141 | $10,639,288 | $13,134,739 | +$2,495,451 | +23.46% | |
| Barclays Plc | 0.00% | 736,904 | $10,493,513 | $12,954,772 | +$2,461,259 | +23.46% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | 688,121 | $9,798,843 | $12,097,167 | +$2,298,324 | +23.46% | |
| Ubs Group Ag | 0.00% | 552,156 | $7,862,701 | $9,706,902 | +$1,844,201 | +23.46% | |
| Truffle Hound Capital, Llc | 3.86% | 430,000 | $6,123,200 | $7,559,400 | +$1,436,200 | +23.46% | |
| Banco Btg Pactual S.A. | 0.76% | 402,757 | $5,735,260 | $7,080,468 | +$1,345,208 | +23.46% | |
| Group One Trading Llc | 0.15% | 372,004 | $5,297,337 | $6,539,830 | +$1,242,493 | +23.46% | |
| State Street Corp | 0.00% | 326,994 | $4,656,395 | $5,748,555 | +$1,092,160 | +23.46% | |
| Cwa Asset Management Group, Llc | 0.14% | 309,290 | $4,404,285 | $5,437,318 | +$1,033,033 | +23.46% | |
| Fisher Asset Management, Llc | 0.00% | 250,730 | $3,570,393 | $4,407,833 | +$837,440 | +23.46% | |
| Jpmorgan Chase & Co | 0.00% | 244,355 | $3,557,808 | $4,295,761 | +$737,953 | +20.74% | |
| D. E. Shaw & Co., Inc. | 0.00% | 202,778 | $2,887,559 | $3,564,837 | +$677,278 | +23.46% | |
| Nuveen, Llc | 0.00% | 199,087 | $2,834,986 | $3,499,949 | +$664,963 | +23.46% | |
| Osaic Holdings, Inc. | 0.00% | 192,637 | $2,743,337 | $3,386,558 | +$643,221 | +23.45% | |
| Manning & Napier Advisors Llc | 0.03% | 150,780 | $2,195,357 | $2,650,712 | +$455,355 | +20.74% | |
| Carrera Capital Advisors | 0.32% | 154,012 | $2,193,126 | $2,707,531 | +$514,405 | +23.46% | |
| Brooklyn Investment Group | 0.07% | 144,018 | $2,158,817 | $2,531,836 | +$373,019 | +17.28% | |
| Walleye Trading Llc | 0.03% | 145,517 | $2,072,162 | $2,558,189 | +$486,027 | +23.46% | |
| Lazard Asset Management Llc | 0.00% | 144,685 | $2,060,314 | $2,543,562 | +$483,248 | +23.46% | |
| Northern Trust Corp | 0.00% | 142,748 | $2,032,732 | $2,509,510 | +$476,778 | +23.46% | |
| Lpl Financial Llc | 0.00% | 138,979 | $1,979,059 | $2,443,251 | +$464,192 | +23.46% | |
| Barometer Capital Management Inc. | 0.53% | 133,500 | $1,901,040 | $2,346,930 | +$445,890 | +23.46% | |
| Legal & General Group Plc | 0.00% | 132,628 | $1,890,612 | $2,331,600 | +$440,988 | +23.33% | |
| Mirabella Financial Services Llp | 0.18% | 128,970 | $1,836,533 | $2,267,293 | +$430,760 | +23.46% | |
| Citigroup Inc | 0.00% | 126,243 | $1,797,700 | $2,219,352 | +$421,652 | +23.46% | |
| Wellington Management Group Llp | 0.00% | 120,023 | $1,709,128 | $2,110,004 | +$400,876 | +23.46% | |
| Hantz Financial Services, Inc. | 0.02% | 113,966 | $1,623,000 | $2,003,522 | +$380,522 | +23.45% | |
| Bnp Paribas Financial Markets | 0.00% | 113,613 | $1,617,849 | $1,997,317 | +$379,468 | +23.46% | |
| Mackenzie Financial Corp | 0.00% | 112,231 | $1,598,169 | $1,973,021 | +$374,852 | +23.46% | |
| Seldon Capital Lp | 0.45% | 100,000 | $1,424,000 | $1,758,000 | +$334,000 | +23.46% | |
| Sona Asset Management (Us) Llc | 0.05% | 100,000 | $1,424,000 | $1,758,000 | +$334,000 | +23.46% | |
| Sbi Securities Co., Ltd. | 0.03% | 97,992 | $1,395,406 | $1,722,699 | +$327,293 | +23.46% | |
| Robeco Institutional Asset Management B.V. | 0.00% | 90,622 | $1,290,457 | $1,593,135 | +$302,678 | +23.46% | |
| O'Brien Greene & Co. Inc | 0.33% | 83,000 | $1,181,920 | $1,459,140 | +$277,220 | +23.46% | |
| Allianz Se | 0.01% | 80,663 | $1,148,641 | $1,418,056 | +$269,415 | +23.46% | |
| Glenorchy Capital Ltd | 0.69% | 77,125 | $1,098,266 | $1,355,857 | +$257,591 | +23.45% | |
| Sagil Capital Llp | 0.52% | 74,889 | $1,066,419 | $1,316,549 | +$250,130 | +23.46% |
Frequently asked questions about EC
Who owns the most EC stock?
The largest holders of EC are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ECOPETROL SA-SPONSORED ADR (EC).
Is EC widely held by superinvestors?
Many widely followed stocks like EC appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly EC is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.