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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, 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
9.77M
+257.9K (+2.7%) vs. Q1 2026
Total value
$481.1M
+$5.35M (+1.1%) vs. Q1 2026
New holders
41
35 more added
Sold out
17
29 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: $481.1M
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, 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
Voloridge Investment Management, LLC159,581$8.00M0.03%−18,552−10.4%Reduced
Millennium Management LLC159,952$8.02M0.01%+68,712+75.3%Added
Morgan Stanley193,694$9.71M0.00%+134,836+229.1%Added
Portolan Capital Management, LLC195,997$9.82M0.37%−342,863−63.6%Reduced
Encompass Capital Advisors LLC222,197$11.1M0.48%−155,235−41.1%Reduced
Arrowstreet Capital, Limited Partnership260,310$13.0M0.01%+101,689+64.1%Added
JPMorgan Chase & Co284,695$14.1M0.00%−25,875−8.3%Reduced
Acadian Asset Management LLC290,839$14.4M0.02%−76,414−20.8%Reduced
VR Advisory Services Ltd343,729$17.2M1.53%00.0%Unchanged
Qube Research & Technologies Ltd399,124$20.0M0.02%+226,338+131.0%Added
Goldman Sachs Group Inc423,692$21.2M0.00%+81,261+23.7%Added
Jane Street Group, LLC488,409$24.1M0.02%+162,109+49.7%Added
Two Sigma Investments, LP527,038$26.4M0.02%+222,666+73.2%Added
Marshall Wace, LLP565,642$28.3M0.02%+73,624+15.0%Added
Barclays PLC577,701$29.0M0.01%+307,700+114.0%Added
FIL Ltd829,399$41.1M0.03%+205,215+32.9%Added
QVT Financial LP1,423,997$64.2M4.11%00.0%Unchanged
Oceanic Investment Management LTD0$00.00%−112,371−100.0%Sold out
EAM Global Investors LLC0$00.00%−107,025−100.0%Sold out
Dymon Asia Capital (Singapore) Pte. Ltd.0$00.00%−105,038−100.0%Sold out
EAM Investors, LLC0$00.00%−80,569−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−63,149−100.0%Sold out
GeoSphere Capital Management, LLC0$00.00%−40,000−100.0%Sold out
Toroso Investments, LLC0$00.00%−13,562−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−8,414−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−8,340−100.0%Sold out
SG Americas Securities, LLC0$00.00%−7,073−100.0%Sold out
Epacria Capital Partners, LLC0$00.00%−5,857−100.0%Sold out
Private Advisor Group, LLC0$00.00%−5,069−100.0%Sold out
GTS Securities LLC0$00.00%−4,788−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−4,753−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−232−100.0%Sold out
Golden State Equity Partners0$00.00%−25−100.0%Sold out
Root Financial Partners, LLC0$00.00%−13−100.0%Sold out