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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 $481.4M in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Okeanis Eco Tankers Corp. as of Jun 30, 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
117
+24 vs. Q1 2026
Shares held
9.78M
+124.7K (+1.3%) vs. Q1 2026
Total value
$481.4M
−$1.39M (−0.3%) vs. Q1 2026
New holders
41
34 more added
Sold out
17
30 more reduced

Compare with Q1 2026: 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 holdersQ2 2026: 117 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 heldQ2 2026: $481.4M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $45.7MQ1 2024: $88.9MQ2 2024: $125.1MQ3 2024: $123.4MQ4 2024: $76.6MQ1 2025: $78.9MQ2 2025: $74.5MQ3 2025: $99.3MQ4 2025: $235.3MQ1 2026: $482.8MQ2 2026: $481.4M
Institutions holding ECO and their total value by quarter
QuarterHoldersValue
Q2 2026117$481.4M
Q1 202693$482.8M
Q4 202564$235.3M
Q3 202540$99.3M
Q2 202528$74.5M
Q1 202533$78.9M
Q4 202435$76.6M
Q3 202440$123.4M
Q2 202430$125.1M
Q1 202423$88.9M
Q4 202316$45.7M
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, Q2 2026

Shares, value and share of portfolio for each institution holding Okeanis Eco Tankers Corp.; share changes are against Q1 2026.

Institutions holding ECO in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
QVT Financial LP1,423,997$64.2M4.11%00.0%Unchanged
FIL Ltd829,399$41.1M0.03%+205,215+32.9%Added
Barclays PLC577,701$29.0M0.01%+307,700+114.0%Added
Marshall Wace, LLP565,642$28.3M0.02%+73,624+15.0%Added
Two Sigma Investments, LP527,038$26.4M0.02%+222,666+73.2%Added
Jane Street Group, LLC488,409$24.1M0.02%+162,109+49.7%Added
Goldman Sachs Group Inc423,692$21.2M0.00%+81,261+23.7%Added
Qube Research & Technologies Ltd399,124$20.0M0.02%+226,338+131.0%Added
VR Advisory Services Ltd343,729$17.2M1.53%00.0%Unchanged
Acadian Asset Management LLC290,839$14.4M0.02%−76,414−20.8%Reduced
JPMorgan Chase & Co284,695$14.1M0.00%−25,875−8.3%Reduced
Arrowstreet Capital, Limited Partnership260,310$13.0M0.01%+101,689+64.1%Added
Encompass Capital Advisors LLC222,197$11.1M0.48%−155,235−41.1%Reduced
Portolan Capital Management, LLC195,997$9.82M0.37%−342,863−63.6%Reduced
Morgan Stanley193,694$9.71M0.00%+134,836+229.1%Added
Millennium Management LLC159,952$8.02M0.01%+68,712+75.3%Added
Voloridge Investment Management, LLC159,581$8.00M0.03%−18,552−10.4%Reduced
Thomist Capital Management, LP133,922$6.71M2.47%+78,822+143.1%Added
BNP Paribas Arbitrage, SA119,363$5.98M0.00%+20,401+20.6%Added
Walleye Capital LLC111,104$5.57M0.03%−66,313−37.4%Reduced
Fearnley Asset Management AS111,836$5.52M1.99%−124,558−52.7%Reduced
Marnell Management LLC96,294$4.83M2.45%+43,041+80.8%Added
CastleKnight Management LP88,300$4.43M0.16%+88,300New
Raymond James Financial Inc88,258$4.42M0.00%+5,203+6.3%Added
Point72 Asset Management, L.P.87,559$4.39M0.01%−43,586−33.2%Reduced
XTX Topco Ltd81,765$4.10M0.05%+43,318+112.7%Added
Militia Capital Management LLC80,000$4.01M0.72%−130,000−61.9%Reduced
Bank of America Corp72,026$3.61M0.00%−206,279−74.1%Reduced
Graham Capital Wealth Management, LLC68,948$3.46M2.67%+16,353+31.1%Added
Ruffer LLP59,137$2.96M0.10%+59,137New
Credit Agricole S A57,000$2.86M0.01%+27,000+90.0%Added
Quadrature Capital Ltd51,011$2.56M0.02%−18,235−26.3%Reduced
Energy Income Partners, LLC44,659$2.24M0.04%−24,459−35.4%Reduced
Citadel Advisors LLC44,151$2.21M0.00%+38,987+755.0%Added
Invesco Ltd.44,011$2.21M0.00%−19,179−30.4%Reduced
Dimensional Fund Advisors LP41,643$2.09M0.00%+33,524+412.9%Added
Balyasny Asset Management LLC40,461$2.03M0.00%+40,461New
UBS Group AG39,676$1.99M0.00%−51,256−56.4%Reduced
Citigroup Inc33,876$1.70M0.00%+6,599+24.2%Added
BlackRock, Inc.32,902$1.65M0.00%−233,650−87.7%Reduced
Folketrygdfondet32,274$1.62M0.03%+32,274New
BTG Pactual Asset Management US LLC32,280$1.61M0.12%+32,280New
CVFG LLC31,665$1.59M0.17%00.0%Unchanged
Precision Wealth Strategies, LLC31,313$1.57M0.47%+31,313New
Engineers Gate Manager LP30,762$1.54M0.02%−40,703−57.0%Reduced
Allianz Asset Management GmbH30,470$1.51M0.00%+30,470New
Skandinaviska Enskilda Banken AB (publ)29,669$1.49M0.06%+29,669New
Glenorchy Capital Ltd26,198$1.29M0.81%−1,508−5.4%Reduced
LPL Financial LLC25,800$1.29M0.00%+18,603+258.5%Added
Jain Global LLC25,002$1.25M0.01%+14,100+129.3%Added
Navellier & Associates Inc24,815$1.24M0.10%+4,976+25.1%Added
Inspire Advisors, LLC23,388$1.17M0.08%+23,388New
Uniplan Investment Counsel, Inc.22,345$1.12M0.11%−485−2.1%Reduced
Persistent Asset Partners Ltd22,187$1.10M0.35%+22,187New
Centiva Capital, LP21,563$1.08M0.04%+21,563New
Commonwealth Equity Services, LLC20,152$1.01M0.00%+20,152New
Triumph Capital Management20,112$1.01M0.18%+312+1.6%Added
Kovack Advisors, Inc.18,646$934.5K0.04%00.0%Unchanged
Susquehanna International Group, LLP18,342$919.3K0.00%+18,342New
Davenport & Co LLC18,148$909.6K0.00%+5,958+48.9%Added
Envestnet Asset Management Inc17,963$900.3K0.00%+12,991+261.3%Added
Manatuck Hill Partners, LLC17,700$887.1K0.29%−2,300−11.5%Reduced
Penserra Capital Management LLC16,415$822.0K0.01%−42,212−72.0%Reduced
HRT Financial LP16,241$813.0K0.00%−38,463−70.3%Reduced
Sprott Inc.15,800$791.9K0.03%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.13,643$684.0K0.00%+7,114+109.0%Added
Veracity Capital LLC12,951$649.1K0.18%+12,951New
Northern Trust Corp12,275$615.2K0.00%+12,275New
Numerai GP LLC10,291$515.8K0.04%−4,612−30.9%Reduced
Regatta Research & Money Management10,163$509.2K0.48%+10,163New
Nuveen, LLC9,715$486.9K0.00%+9,715New
Fox Run Management, L.L.C.9,699$486.1K0.08%+9,699New
Y-Intercept (Hong Kong) Ltd9,503$476.3K0.01%+9,503New
State of Wyoming9,340$468.1K0.05%+1,217+15.0%Added
Aquatic Capital Management LLC8,783$440.2K0.02%−44,824−83.6%Reduced
Cetera Investment Advisers8,318$416.9K0.00%−34,085−80.4%Reduced
Janney Montgomery Scott LLC8,041$403.0K0.00%+8,041New
OneAscent Investment Solutions LLC8,001$401.0K0.38%+8,001New
Massar Capital Management, LP6,387$320.1K0.11%−19,933−75.7%Reduced
Magnetar Financial LLC5,847$293.1K0.00%+758+14.9%Added
Montchanin Asset Management, LLC5,375$269.0K0.27%+5,375New
Marex Group plc5,102$255.7K0.00%+5,102New
SIH Partners, LLLP5,013$251.3K0.01%+5,013New
Commerce Bank5,000$250.6K0.00%+1,000+25.0%Added
MML Investors Services, LLC4,838$242.5K0.00%+513+11.9%Added
Mariner, LLC4,708$236.0K0.00%+4,708New
ExodusPoint Capital Management, LP4,419$221.5K0.00%−57,565−92.9%Reduced
Jefferies Financial Group Inc.4,418$218.2K0.00%+4,418New
Schonfeld Strategic Advisors LLC4,179$209.4K0.00%+4,179New
Wells Fargo & Company3,451$173.0K0.00%−3,181−48.0%Reduced
GWM Advisors LLC2,980$149.4K0.00%+2,980New
Public Employees Retirement System of Ohio2,775$137.1K0.00%−12,297−81.6%Reduced
Royal Bank of Canada2,695$135.0K0.00%+306+12.8%Added
Caitong International Asset Management Co., Ltd2,442$122.4K0.02%−2,686−52.4%Reduced
McGuire Capital Advisors Inc2,285$114.5K0.06%+2,285New
Advisor Group Holdings, Inc.2,260$113.3K0.00%+925+69.3%Added
Quantbot Technologies LP2,001$100.3K0.00%−2,251−52.9%Reduced
Jones Financial Companies LLLP1,321$65.9K0.00%+1,321New
Simplex Trading, LLC1,264$63.4K0.00%+1,264New
Macquarie Group Ltd1,200$60.1K0.00%+1,200New