Okeanis Eco Tankers Corp.
Okeanis Eco Tankers Corp. (ECO) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ECO · as of Sep 30, 2025
Ownership Breakdown
39
Institutional Holders
▲ 11 vs Q2
$97.21M
Total Inst. Value
▲ $22.70M vs Q2
32.69M
Shares Outstanding
freeFloat 60.08%
3.46M
13F Shares Held
▼ 101,795 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ECO largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
QVT FINANCIAL LP deep sea foreign transportation of freight | 1.42M | 4.42% | 4.42% | $37.51B | Nov 14, 2025 | — held |
FIL LTD deep sea foreign transportation of freight | 490.1K | 1.52% | 1.52% | $14.44B | Nov 13, 2025 | — held |
SG AMERICAS SECURITIES, LLC deep sea foreign transportation of freight | 443.7K | 1.38% | 1.38% | $12.99B | Oct 23, 2025 | ▲ 22.9K |
VR ADVISORY SERVICES LTD deep sea foreign transportation of freight | 350.1K | 1.09% | 1.09% | $10.28B | Nov 14, 2025 | — held |
GOLDMAN SACHS GROUP INC deep sea foreign transportation of freight | 182.9K | 56.83% | 56.83% | $5.35B | Nov 14, 2025 | ▼ 57.9K |
CITIGROUP INC deep sea foreign transportation of freight | 73.2K | 22.73% | 22.73% | $2.14B | Nov 10, 2025 | ▼ 80.9K |
ENERGY INCOME PARTNERS, LLC deep sea foreign transportation of freight | 66.0K | 20.50% | 20.50% | $1.93B | Nov 13, 2025 | ▲ 15.7K |
TWO SIGMA INVESTMENTS, LP deep sea foreign transportation of freight | 58.7K | 18.23% | 18.23% | $1.72B | Nov 14, 2025 | ▲ 49.2K |
MACQUARIE GROUP LTD deep sea foreign transportation of freight | 55.7K | 17.30% | 17.30% | $1.63B | Nov 13, 2025 | — held |
LIGHTHOUSE INVESTMENT PARTNERS, LLC deep sea foreign transportation of freight | 52.0K | 16.14% | 16.14% | $1.52B | Nov 14, 2025 | ▲ 5.1K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
13
Increased
+140.1K shares15
New Positions
first time holders7
Decreased
−167.8K shares6
Sold Out
fully exitedNet shares change (top 50)
27.8K
+140.1K / −167.8K
Net new holders
+15
15 new / 6 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ECO insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
No recent insider transactions reported.
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Okeanis Eco Tankers Corp. (ECO) is primarily owned by institutional investors, who hold approximately 10.6% of total shares outstanding. Company insiders own approximately 39.92%, while retail and public investors account for the remaining 49.50%.
The largest institutional shareholder of Okeanis Eco Tankers Corp. is QVT FINANCIAL LP, holding approximately 1.42 million shares — equal to 4.42% of outstanding shares — as of September 30, 2025.
A total of 39 institutional investors currently hold ECO stock, with a combined institutional value of approximately $97,209,353 as of the most recent 13F filing period.
Frequently asked questions
ECO ownershipOkeanis Eco Tankers Corp. (ECO) is primarily owned by institutional investors, who hold approximately 10.6% of shares. The largest shareholder is QVT FINANCIAL LP with a 4.42% stake. Company insiders hold 39.92%. Data sourced from SEC Form 13F as of September 30, 2025.