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Okeanis Eco Tankers Corp.

ECO
Exchange
NYSE
Industry
Deep Sea Foreign Transportation of Freight
SEC CIK
0001964954

In the last 90 days, Okeanis Eco Tankers Corp. insiders filed 0 open-market purchases and 1 sale; 117 institutions reported holding it in 13F filings for Q2 2026, worth $481.1M in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Okeanis Eco Tankers Corp. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
93
+29 vs. Q4 2025
Shares held
9.51M
+2.41M (+33.9%) vs. Q4 2025
Total value
$475.8M
+$240.5M (+102.2%) vs. Q4 2025
New holders
40
34 more added
Sold out
11
14 more reduced

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ECO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 93 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 16 institutionsQ1 2024: 23 institutionsQ2 2024: 30 institutionsQ3 2024: 40 institutionsQ4 2024: 35 institutionsQ1 2025: 33 institutionsQ2 2025: 28 institutionsQ3 2025: 40 institutionsQ4 2025: 64 institutionsQ1 2026: 93 institutionsQ2 2026: 117 institutions
Value heldQ1 2026: $475.8M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $41.1MQ1 2024: $85.5MQ2 2024: $103.3MQ3 2024: $122.4MQ4 2024: $76.6MQ1 2025: $78.4MQ2 2025: $74.5MQ3 2025: $97.2MQ4 2025: $235.3MQ1 2026: $475.8MQ2 2026: $481.1M
Institutions holding ECO and their total value by quarter
QuarterHoldersValue
Q2 2026117$481.1M
Q1 202693$475.8M
Q4 202564$235.3M
Q3 202540$97.2M
Q2 202528$74.5M
Q1 202533$78.4M
Q4 202435$76.6M
Q3 202440$122.4M
Q2 202430$103.3M
Q1 202423$85.5M
Q4 202316$41.1M
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Okeanis Eco Tankers Corp.; share changes are against Q4 2025.

Institutions holding ECO in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
QVT Financial LP1,423,997$64.8M5.12%00.0%Unchanged
FIL Ltd624,184$32.4M0.03%+50,002+8.7%Added
Portolan Capital Management, LLC538,860$27.3M1.45%+377,045+233.0%Added
Marshall Wace, LLP492,018$24.9M0.03%+169,595+52.6%Added
Encompass Capital Advisors LLC377,432$19.1M0.78%−432,722−53.4%Reduced
Acadian Asset Management LLC367,253$18.9M0.03%+367,253New
VR Advisory Services Ltd343,729$17.4M2.06%+86,447+33.6%Added
Goldman Sachs Group Inc342,431$17.3M0.00%+117,073+51.9%Added
Jane Street Group, LLC326,300$17.0M0.02%+246,896+310.9%Added
JPMorgan Chase & Co310,570$15.4M0.00%+156,245+101.2%Added
Two Sigma Investments, LP304,372$15.4M0.01%+146,032+92.2%Added
Bank of America Corp278,305$14.1M0.00%+136,782+96.7%Added
Barclays PLC270,001$13.7M0.00%+158,858+142.9%Added
BlackRock, Inc.266,552$13.5M0.00%+61,225+29.8%Added
Fearnley Asset Management AS236,394$12.2M4.00%−318,853−57.4%Reduced
Voloridge Investment Management, LLC178,133$9.01M0.04%+178,133New
Walleye Capital LLC177,417$8.98M0.06%+74,231+71.9%Added
Qube Research & Technologies Ltd172,786$8.74M0.01%+98,624+133.0%Added
Arrowstreet Capital, Limited Partnership158,621$8.08M0.00%−134,161−45.8%Reduced
Point72 Asset Management, L.P.131,145$6.63M0.01%+12,556+10.6%Added
Oceanic Investment Management LTD112,371$5.68M4.84%+112,371New
EAM Global Investors LLC107,025$5.41M11.48%+107,025New
Dymon Asia Capital (Singapore) Pte. Ltd.105,038$5.31M1.17%+105,038New
BNP Paribas Arbitrage, SA98,962$5.01M0.00%+68,567+225.6%Added
Millennium Management LLC91,240$4.62M0.00%−32,869−26.5%Reduced
UBS Group AG90,932$4.60M0.00%+27,867+44.2%Added
Raymond James Financial Inc83,055$4.20M0.00%+83,055New
EAM Investors, LLC80,569$4.08M0.47%+80,569New
Engineers Gate Manager LP71,465$3.62M0.05%+19,580+37.7%Added
Militia Capital Management LLC70,000$3.54M0.79%+70,000New
Quadrature Capital Ltd69,246$3.50M0.04%+10,603+18.1%Added
Energy Income Partners, LLC69,118$3.50M0.06%+2,250+3.4%Added
Invesco Ltd.63,190$3.20M0.00%+43,567+222.0%Added
Boothbay Fund Management, LLC63,149$3.19M0.08%+37,407+145.3%Added
ExodusPoint Capital Management, LP61,984$3.14M0.03%+47,523+328.6%Added
Morgan Stanley58,858$2.98M0.00%+10,354+21.3%Added
Penserra Capital Management LLC58,627$2.96M0.03%+58,627New
Thomist Capital Management, LP55,100$2.79M0.95%+55,100New
HRT Financial LP54,704$2.77M0.01%+54,704New
Aquatic Capital Management LLC53,607$2.71M0.08%+40,958+323.8%Added
Marnell Management LLC53,253$2.69M1.79%+45,196+561.0%Added
Graham Capital Wealth Management, LLC52,595$2.66M2.36%+52,595New
Cetera Investment Advisers42,403$2.19M0.00%+42,403New
GeoSphere Capital Management, LLC40,000$2.02M1.22%−32,500−44.8%Reduced
XTX Topco Ltd38,447$1.95M0.03%+38,447New
CVFG LLC31,665$1.60M0.20%+31,665New
Credit Agricole S A30,000$1.52M0.00%00.0%Unchanged
Glenorchy Capital Ltd27,706$1.44M0.78%+2,847+11.5%Added
Citigroup Inc27,277$1.38M0.00%+7,482+37.8%Added
Massar Capital Management, LP26,320$1.33M0.27%+26,320New
Uniplan Investment Counsel, Inc.22,830$1.15M0.12%+22,830New
Manatuck Hill Partners, LLC20,000$1.01M0.33%+20,000New
Navellier & Associates Inc19,839$1.00M0.10%+1,182+6.3%Added
Triumph Capital Management19,800$1.00M0.20%+11,900+150.6%Added
Kovack Advisors, Inc.18,646$943.3K0.05%−150−0.8%Reduced
Sprott Inc.15,800$799.3K0.02%+15,800New
Public Employees Retirement System of Ohio15,072$778.0K0.00%+15,072New
Numerai GP LLC14,903$753.9K0.08%−6,174−29.3%Reduced
Toroso Investments, LLC13,562$686.1K0.00%+13,562New
Davenport & Co LLC12,190$616.7K0.00%+12,190New
Jain Global LLC10,902$551.5K0.01%−1,200−9.9%Reduced
Prelude Capital Management, LLC8,414$425.7K0.03%+8,414New
D. E. Shaw & Co., Inc.8,340$421.9K0.00%−70,188−89.4%Reduced
State of Wyoming8,123$410.9K0.05%+202+2.6%Added
Dimensional Fund Advisors LP8,119$410.7K0.00%−285−3.4%Reduced
LPL Financial LLC7,197$364.1K0.00%−2,928−28.9%Reduced
SG Americas Securities, LLC7,073$358.0K0.00%+7,073New
Wells Fargo & Company6,632$335.5K0.00%+6,488+4,505.6%Added
Cambridge Investment Research Advisors, Inc.6,529$331.0K0.00%+6,529New
Epacria Capital Partners, LLC5,857$296.3K0.23%+5,857New
Citadel Advisors LLC5,164$261.2K0.00%−196,031−97.4%Reduced
Caitong International Asset Management Co., Ltd5,128$259.4K0.05%+4,076+387.5%Added
Magnetar Financial LLC5,089$257.5K0.00%−9,121−64.2%Reduced
Private Advisor Group, LLC5,069$256.4K0.00%+5,069New
Envestnet Asset Management Inc4,972$251.9K0.00%+4,972New
GTS Securities LLC4,788$242.2K0.01%+4,788New
Dynamic Technology Lab Private Ltd4,753$240.5K0.04%+4,753New
MML Investors Services, LLC4,325$218.8K0.00%+4,325New
Quantbot Technologies LP4,252$215.1K0.01%−28,762−87.1%Reduced
Commerce Bank4,000$202.4K0.00%+4,000New
Royal Bank of Canada2,389$121.0K0.00%+2,381+29,762.5%Added
Advisor Group Holdings, Inc.1,335$69.0K0.00%+135+11.3%Added
Fifth Third Bancorp567$28.7K0.00%+567New
University of Texas/Texas Am Investment Managment Co402$20.3K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)232$11.7K0.00%+232New
Rockefeller Capital Management L.P.200$10.1K0.00%+200New
Harbour Investments, Inc.90$4.55K0.00%+90New
Cornerstone Financial Management LLC82$4.15K0.00%00.0%Unchanged
Golden State Equity Partners25$1.26K0.00%+25New
Dogwood Wealth Management LLC21$1.06K0.00%+21New
TD Private Client Wealth LLC17$8780.00%+17New
Root Financial Partners, LLC13$6580.00%+13New
SBI Securities Co., Ltd.1$510.00%00.0%Unchanged
Counterpoint Mutual Funds LLC0$00.00%−100,179−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−42,710−100.0%Sold out
Lighthouse Investment Partners, LLC0$00.00%−29,075−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−12,697−100.0%Sold out
Jump Financial, LLC0$00.00%−10,700−100.0%Sold out
Verition Fund Management LLC0$00.00%−8,784−100.0%Sold out
Centiva Capital, LP0$00.00%−7,992−100.0%Sold out