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Equibles

EC

Ecopetrol S.A.

Company with tickers: EC

CIK
1444406
CUSIP
279158109
Shares Outstanding
2,055,834,735
13F Activity (30d)
5 filings 4 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 161
Total Value: $435,584,185
Total Shares: 29,058,324
Showing 1–100 of 173 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 161 13F filers · Δ vs Dec 31, 2025
Top Holder
9.4%
Jun 2023 → Mar 2026 · range 9.4% – 44.2%
−3.7 pts
Top 5
35.5%
Jun 2023 → Mar 2026 · range 35.5% – 67.6%
−9.5 pts
Top 10
55.5%
Jun 2023 → Mar 2026 · range 49.5% – 78.9%
−8.8 pts
HHI
398
Jun 2023 → Mar 2026 · range 398 – 2,154
Broadly held−163

Quarterly Activity

vs Dec 31, 2025
New
45
Increased
51
Decreased
40
Sold Out
23
Unchanged
25
Holder count: +22
Institutional value: +83.4%
Shares held: +22.6%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +2,008,426 2,266,926
Mega BlackRock, Inc. +1,201,874 2,729,497
Mega JANE STREET GROUP, LLC +646,203 840,990
Mega D. E. Shaw & Co., Inc. +577,153 1,267,720
Mega JPMORGAN CHASE & CO +525,723 632,268

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega MILLENNIUM MANAGEMENT LLC −2,311,800 324,058
Mega UBS Group AG −244,547 224,583
Large Verition Fund Management LLC −236,782 16,594
Mid Jump Financial, LLC −150,196 67,706
Small Stokes Family Office, LLC −139,883 30,425

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD FIDUCIARY TRUST CO 1,813,818 $27,189,131
Large Connor, Clark & Lunn Investment Management Ltd. 1,548,879 $23,217,696
Mega VANGUARD CAPITAL MANAGEMENT LLC 1,202,093 $18,019,374
Mid Aventail Capital Group, LP 460,202 $6,898,427
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 436,454 $6,542,445

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 3,108,070 $31,142,860
Small Fundamenta Capital S.A. 2,009,495 $20,135,139
Large TWO SIGMA ADVISERS, LP 477,900 $4,788,558
Large Allianz Asset Management GmbH 264,665 $2,651,943
Small Hilltop Holdings Inc. 51,186 $512,883
Filter: New 45 Increased 51 Reduced 40 Sold out 23 Unchanged 25
Showing 100 of 173
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $40,915,156 9.39% 2,729,497
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $29,197,522 6.70% 1,947,800
Mega TWO SIGMA INVESTMENTS, LP $27,780,817 6.38% 1,853,290
Mega VANGUARD FIDUCIARY TRUST CO Bank $27,189,131 6.24% 1,813,818
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $24,954,392 5.73% 1,664,736
Large Connor, Clark & Lunn Investment Management Ltd. $23,217,696 5.33% 1,548,879
Mega D. E. Shaw & Co., Inc. $19,003,122 4.36% 1,267,720
Mega VANGUARD CAPITAL MANAGEMENT LLC $18,019,374 4.14% 1,202,093
Mega AMERICAN CENTURY COMPANIES INC $13,252,179 3.04% 884,068
Mega GOLDMAN SACHS GROUP INC $13,219,530 3.03% 881,890
Mega CITADEL ADVISORS LLC $9,993,833 2.29% 666,700
Mega JPMORGAN CHASE & CO $9,477,693 2.18% 632,268
Large MARSHALL WACE, LLP $8,548,721 1.96% 570,295
Small Truffle Hound Capital, LLC $8,244,500 1.89% 550,000
Mega MORGAN STANLEY $8,058,469 1.85% 537,590
Mega JANE STREET GROUP, LLC $7,665,736 1.76% 511,390
Mid Aventail Capital Group, LP $6,898,427 1.58% 460,202
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $6,542,445 1.50% 436,454
Mega STATE STREET CORP $5,419,664 1.24% 361,552
Mega MILLENNIUM MANAGEMENT LLC $4,857,629 1.12% 324,058
Mega Fisher Asset Management, LLC $4,849,579 1.11% 323,521
Mid XTX Topco Ltd $4,678,423 1.07% 312,103
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $4,407,060 1.01% 294,000
Mega BARCLAYS PLC $4,054,750 0.93% 270,497
Mid CWA Asset Management Group, LLC $3,723,950 0.85% 248,429
Large RENAISSANCE TECHNOLOGIES LLC $3,582,610 0.82% 239,000
Mid Engineers Gate Manager LP $3,507,899 0.81% 234,016
Mega UBS Group AG $3,366,498 0.77% 224,583
Mega JANE STREET GROUP, LLC $3,231,844 0.74% 215,600
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC $2,995,766 0.69% 199,851
Small Banco BTG Pactual S.A. $2,787,420 0.64% 185,952
Mid MANNING & NAPIER ADVISORS LLC $2,776,297 0.64% 185,210
Mid SIMPLEX TRADING, LLC $2,710,057 0.62% 180,791
Mega LPL Financial LLC $2,566,317 0.59% 171,202
Mid BW Gestao de Investimentos Ltda. $2,417,077 0.55% 161,246
Small Carrera Capital Advisors $2,284,745 0.52% 152,418
Large Grantham, Mayo, Van Otterloo & Co. LLC $2,279,259 0.52% 152,052
Mid Brooklyn Investment Group $2,158,829 0.50% 144,018
Mega Legal & General Group Plc $2,117,172 0.49% 141,239
Mega NORTHERN TRUST CORP Bank $2,097,639 0.48% 139,936
Mid GROUP ONE TRADING LLC $1,965,863 0.45% 131,145
Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Pension $1,948,295 0.45% 129,973
Mid SBI Securities Co., Ltd. Broker-Dealer $1,884,992 0.43% 125,750
Large Walleye Trading LLC $1,770,319 0.41% 118,100
Mega JANE STREET GROUP, LLC $1,708,860 0.39% 114,000
Mega CITADEL ADVISORS LLC $1,706,896 0.39% 113,869
Small BAROMETER CAPITAL MANAGEMENT INC. $1,633,910 0.38% 109,000
Small Pekin Hardy Strauss, Inc. $1,626,774 0.37% 108,524
Mid SONA ASSET MANAGEMENT (US) LLC $1,499,000 0.34% 100,000
Mid HANTZ FINANCIAL SERVICES, INC. $1,457,357 0.33% 97,222
Mega CITADEL ADVISORS LLC $1,421,052 0.33% 94,800
Large Walleye Trading LLC $1,418,593 0.33% 94,636
Large Robeco Institutional Asset Management B.V. $1,358,423 0.31% 90,622
Large Squarepoint Ops LLC $1,195,107 0.27% 79,727
Large Vident Advisory, LLC $1,177,554 0.27% 78,556
Mid Glenorchy Capital Ltd $1,089,773 0.25% 72,700
Mid Jump Financial, LLC $1,014,912 0.23% 67,706
Small Kerrisdale Advisers, LLC $1,012,649 0.23% 67,555
Mid Allianz SE $986,132 0.23% 65,786
Mega BANK OF AMERICA CORP /DE/ Bank $972,806 0.22% 64,897
Mega Invesco Ltd. $965,070 0.22% 64,381
Small O'Brien Greene & Co. Inc $959,360 0.22% 64,000
Mid Sanctuary Advisors, LLC $925,857 0.21% 61,765
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC $884,424 0.20% 59,001
Mid Liontrust Investment Partners LLP $839,440 0.19% 56,000
Large Walleye Capital LLC $812,458 0.19% 54,200
Large Creative Planning $812,083 0.19% 54,175
Large Walleye Capital LLC $801,695 0.18% 53,482
Small Caitong International Asset Management Co., Ltd $765,749 0.18% 51,084
Large TD Waterhouse Canada Inc. $738,797 0.17% 49,286
Mid Advisors Asset Management, Inc. $700,512 0.16% 46,732
Large Russell Investments Group, Ltd. $687,906 0.16% 45,891
Large Point72 Asset Management, L.P. $680,546 0.16% 45,400
Mid Compound Planning, Inc. $664,671 0.15% 44,341
Small Patriot Financial Group Insurance Agency, LLC Insurance $643,970 0.15% 42,960
Large Point72 Asset Management, L.P. $616,313 0.14% 41,115
Large OSAIC HOLDINGS, INC. $607,289 0.14% 40,513
Mid Integrated Wealth Concepts LLC $602,238 0.14% 40,176
Large Point72 Asset Management, L.P. $568,121 0.13% 37,900
Large CIBC WORLD MARKET INC. $536,791 0.12% 35,810
Large STIFEL FINANCIAL CORP $534,543 0.12% 35,660
Mid IMC-Chicago, LLC $508,880 0.12% 33,948
Large Walleye Trading LLC $506,662 0.12% 33,800
Large Mariner, LLC $491,282 0.11% 32,774
Large Rathbones Group PLC $489,423 0.11% 32,650
Mid GAMMA Investing LLC $484,746 0.11% 32,338
Large Tidal Investments LLC $483,022 0.11% 32,223
Mega HSBC HOLDINGS PLC $466,308 0.11% 31,108
Small Stokes Family Office, LLC Family Office $456,070 0.10% 30,425
Mega ENVESTNET ASSET MANAGEMENT INC $454,571 0.10% 30,325
Large Centiva Capital, LP $446,567 0.10% 29,791
Mid HUB Investment Partners, LLC $422,927 0.10% 28,214
Small FOX RUN MANAGEMENT, L.L.C. $396,200 0.09% 26,431
Small LEUTHOLD GROUP, LLC $381,990 0.09% 25,483
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $376,638 0.09% 25,126
Mega PRINCIPAL FINANCIAL GROUP INC $363,072 0.08% 24,221
Mid Private Advisor Group, LLC $353,524 0.08% 23,584
Mid Vanguard Personalized Indexing Management, LLC $351,260 0.08% 23,433
Mid QRG CAPITAL MANAGEMENT, INC. $342,446 0.08% 22,845
Mega WELLS FARGO & COMPANY/MN $307,909 0.07% 20,541

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