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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, Q3 2025

Institutional positions in Okeanis Eco Tankers Corp. as of Sep 30, 2025. 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
40
+13 vs. Q2 2025
Shares held
3.46M
+30.8K (+0.9%) vs. Q2 2025
Total value
$97.2M
+$25.9M (+36.4%) vs. Q2 2025
New holders
18
10 more added
Sold out
5
8 more reduced

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 40 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 heldQ3 2025: $97.2M
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, Q3 2025

Shares, value and share of portfolio for each institution holding Okeanis Eco Tankers Corp.; share changes are against Q2 2025.

Institutions holding ECO in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
QVT Financial LP1,423,997$37.5M4.16%00.0%Unchanged
FIL Ltd490,052$14.4M0.01%00.0%Unchanged
SG Americas Securities, LLC443,695$13.0M0.05%+22,906+5.4%Added
VR Advisory Services Ltd350,088$10.3M2.49%00.0%Unchanged
Goldman Sachs Group Inc182,944$5.35M0.00%−57,888−24.0%Reduced
Citigroup Inc73,174$2.14M0.00%−80,878−52.5%Reduced
Energy Income Partners, LLC65,987$1.93M0.04%+15,671+31.1%Added
Two Sigma Investments, LP58,678$1.72M0.00%+49,176+517.5%Added
Macquarie Group Ltd55,699$1.63M0.00%00.0%Unchanged
Lighthouse Investment Partners, LLC51,965$1.52M0.05%+5,149+11.0%Added
D. E. Shaw & Co., Inc.39,238$1.15M0.00%+39,238New
Militia Capital Partners, LP35,000$1.02M0.48%+35,000New
Glenorchy Capital Ltd25,666$755.2K0.55%−395−1.5%Reduced
Millennium Management LLC16,604$486.0K0.00%+16,604New
Morgan Stanley14,643$428.6K0.00%+5,862+66.8%Added
Arrowstreet Capital, Limited Partnership13,444$393.5K0.00%+13,444New
Quantbot Technologies LP11,740$343.6K0.01%+11,740New
Corigliano Investment Advisers, LLC10,100$295.6K0.10%+10,100New
Dimensional Fund Advisors LP9,999$292.7K0.00%+8+0.1%Added
Triumph Capital Management9,657$282.7K0.08%−371−3.7%Reduced
Centiva Capital, LP8,848$259.0K0.02%+8,848New
Barclays PLC8,500$248.8K0.00%+7,388+664.4%Added
Citadel Advisors LLC8,276$242.2K0.00%+8,276New
S.E.E.D. Planning Group LLC8,000$234.2K0.07%+8,000New
Two Sigma Advisers, LP7,900$231.2K0.00%+7,900New
State of Wyoming7,825$229.0K0.03%+2,890+58.6%Added
Verition Fund Management LLC7,193$210.5K0.00%+7,193New
Point72 Asset Management, L.P.6,100$178.5K0.00%+6,100New
Bank of America Corp4,402$128.8K0.00%−16,623−79.1%Reduced
UBS Group AG3,674$107.5K0.00%−8,017−68.6%Reduced
Cubist Systematic Strategies, LLC2,612$76.5K0.00%+2,612New
Quarry LP977$28.6K0.01%+977New
BlackRock, Inc.925$27.1K0.00%+925New
Tower Research Capital LLC (TRC)541$15.8K0.00%+445+463.5%Added
Caitong International Asset Management Co., Ltd520$15.2K0.01%+520New
Federation des caisses Desjardins du Quebec170$4.97K0.00%+170New
Wells Fargo & Company160$4.68K0.00%−3,662−95.8%Reduced
MB, Levis & Associates, LLC100$2.93K0.00%+100New
SBI Securities Co., Ltd.2$590.00%+1+100.0%Added
Royal Bank of Canada11$00.00%−332−96.8%Reduced
Boothbay Fund Management, LLC0$00.00%−32,708−100.0%Sold out
Invesco Ltd.0$00.00%−28,227−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−23,977−100.0%Sold out
Lazard Asset Management LLC0$00.00%−2,247−100.0%Sold out
BNP Paribas Arbitrage, SA0$00.00%−1,157−100.0%Sold out
Semmax Financial Advisors Inc.––––Not filed