Okeanis Eco Tankers Corp. (ECO) Institutional Shareholders
Okeanis Eco Tankers Corp. (ECO) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $480.47M in ECO holdings during the latest filing period.
Qvt Financial Lp is currently the largest disclosed institutional shareholder of ECO tracked by InsiderSet, reporting ownership valued at approximately $64.23M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $120.97M, representing an estimated gain of +88.33% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 60% of the total disclosed ECO value among the investors covered in this analysis. Major shareholders include Qvt Financial Lp, Fil Ltd, Barclays Plc, and several other long-term asset managers with concentrated positions in Okeanis Eco Tankers Corp. (ECO).
This page ranks the largest institutional ECO shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
115
Total Reported Value
$480.47M
Largest Holder
Qvt Financial Lp
Largest Position
$64.23M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
140
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Qvt Financial Lp | 4.11% | 1,423,997 | $64,233,657 | $120,968,545 | +$56,734,888 | +88.33% | |
| Fil Ltd | 0.03% | 829,399 | $41,107,205 | $70,457,445 | +$29,350,240 | +71.40% | |
| Barclays Plc | 0.01% | 577,701 | $28,954,373 | $49,075,700 | +$20,121,327 | +69.49% | |
| Marshall Wace, Llp | 0.02% | 565,642 | $28,349,977 | $48,051,288 | +$19,701,311 | +69.49% | |
| Two Sigma Investments, Lp | 0.02% | 527,038 | $26,415,145 | $44,771,878 | +$18,356,733 | +69.49% | |
| Jane Street Group, Llc | 0.02% | 488,409 | $24,122,495 | $41,490,345 | +$17,367,850 | +72.00% | |
| Goldman Sachs Group Inc | 0.00% | 423,692 | $21,235,444 | $35,992,635 | +$14,757,191 | +69.49% | |
| Qube Research & Technologies Ltd | 0.02% | 399,124 | $20,004,095 | $33,905,584 | +$13,901,489 | +69.49% | |
| Vr Advisory Services Ltd | 1.53% | 343,729 | $17,227,697 | $29,199,779 | +$11,972,082 | +69.49% | |
| Acadian Asset Management Llc | 0.02% | 290,839 | $14,358,000 | $24,706,773 | +$10,348,773 | +72.08% | |
| Jpmorgan Chase & Co | 0.00% | 284,695 | $14,120,871 | $24,184,840 | +$10,063,969 | +71.27% | |
| Arrowstreet Capital, Limited Partnership | 0.01% | 260,310 | $13,008,502 | $22,113,335 | +$9,104,833 | +69.99% | |
| Encompass Capital Advisors Llc | 0.48% | 222,197 | $11,136,514 | $18,875,635 | +$7,739,121 | +69.49% | |
| Portolan Capital Management, Llc | 0.37% | 195,997 | $9,823,370 | $16,649,945 | +$6,826,575 | +69.49% | |
| Morgan Stanley | 0.00% | 193,694 | $9,707,943 | $16,454,305 | +$6,746,362 | +69.49% | |
| Millennium Management Llc | 0.01% | 159,952 | $8,016,794 | $13,587,922 | +$5,571,128 | +69.49% | |
| Voloridge Investment Management, Llc | 0.03% | 159,581 | $7,998,200 | $13,556,406 | +$5,558,206 | +69.49% | |
| Thomist Capital Management, Lp | 2.47% | 133,922 | $6,712,171 | $11,376,674 | +$4,664,503 | +69.49% | |
| Bnp Paribas Financial Markets | 0.00% | 119,363 | $5,982,474 | $10,139,887 | +$4,157,413 | +69.49% | |
| Walleye Capital Llc | 0.03% | 111,104 | $5,568,532 | $9,438,285 | +$3,869,753 | +69.49% | |
| Fearnley Asset Management As | 1.99% | 111,836 | $5,521,734 | $9,500,468 | +$3,978,734 | +72.06% | |
| Marnell Management Llc | 2.45% | 96,294 | $4,826,255 | $8,180,175 | +$3,353,920 | +69.49% | |
| Castleknight Management Lp | 0.16% | 88,300 | $4,425,596 | $7,501,085 | +$3,075,489 | +69.49% | |
| Raymond James Financial Inc | 0.00% | 88,258 | $4,423,491 | $7,497,517 | +$3,074,026 | +69.49% | |
| Point72 Asset Management, L.P. | 0.01% | 87,559 | $4,388,457 | $7,438,137 | +$3,049,680 | +69.49% | |
| Xtx Topco Ltd | 0.05% | 81,765 | $4,098,062 | $6,945,937 | +$2,847,875 | +69.49% | |
| Militia Capital Management Llc | 0.72% | 80,000 | $4,009,600 | $6,796,000 | +$2,786,400 | +69.49% | |
| Bank Of America Corp | 0.00% | 72,026 | $3,609,943 | $6,118,609 | +$2,508,666 | +69.49% | |
| Graham Capital Wealth Management, Llc | 2.67% | 68,948 | $3,455,687 | $5,857,133 | +$2,401,446 | +69.49% | |
| Ruffer Llp | 0.10% | 59,137 | $2,960,275 | $5,023,688 | +$2,063,413 | +69.70% | |
| Credit Agricole S A | 0.01% | 57,000 | $2,856,840 | $4,842,150 | +$1,985,310 | +69.49% | |
| Quadrature Capital Ltd | 0.02% | 51,011 | $2,556,671 | $4,333,384 | +$1,776,713 | +69.49% | |
| Energy Income Partners, Llc | 0.04% | 44,659 | $2,238,309 | $3,793,782 | +$1,555,473 | +69.49% | |
| Citadel Advisors Llc | 0.00% | 44,151 | $2,212,848 | $3,750,627 | +$1,537,779 | +69.49% | |
| Invesco Ltd. | 0.00% | 44,011 | $2,205,831 | $3,738,734 | +$1,532,903 | +69.49% | |
| Dimensional Fund Advisors Lp | 0.00% | 41,643 | $2,086,681 | $3,537,573 | +$1,450,892 | +69.53% | |
| Balyasny Asset Management L.P. | 0.00% | 40,461 | $2,027,905 | $3,437,162 | +$1,409,257 | +69.49% | |
| Ubs Group Ag | 0.00% | 39,676 | $1,988,561 | $3,370,476 | +$1,381,915 | +69.49% | |
| Citigroup Inc | 0.00% | 33,876 | $1,697,866 | $2,877,766 | +$1,179,900 | +69.49% | |
| Blackrock, Inc. | 0.00% | 32,902 | $1,649,048 | $2,795,025 | +$1,145,977 | +69.49% | |
| Folketrygdfondet | 0.03% | 32,274 | $1,617,573 | $2,741,676 | +$1,124,103 | +69.49% | |
| Btg Pactual Asset Management Us Llc | 0.12% | 32,280 | $1,608,008 | $2,742,186 | +$1,134,178 | +70.53% | |
| Cvfg Llc | 0.17% | 31,665 | $1,587,050 | $2,689,942 | +$1,102,892 | +69.49% | |
| Precision Wealth Strategies, Llc | 0.47% | 31,313 | $1,569,408 | $2,660,039 | +$1,090,631 | +69.49% | |
| Engineers Gate Manager Lp | 0.02% | 30,762 | $1,541,791 | $2,613,232 | +$1,071,441 | +69.49% | |
| Allianz Asset Management Gmbh | 0.00% | 30,470 | $1,505,721 | $2,588,427 | +$1,082,706 | +71.91% | |
| Skandinaviska Enskilda Banken Ab (Publ) | 0.06% | 29,669 | $1,487,010 | $2,520,382 | +$1,033,372 | +69.49% | |
| Glenorchy Capital Ltd | 0.81% | 26,198 | $1,293,509 | $2,225,520 | +$932,011 | +72.05% | |
| Lpl Financial Llc | 0.00% | 25,800 | $1,293,096 | $2,191,710 | +$898,614 | +69.49% | |
| Jain Global Llc | 0.01% | 25,002 | $1,253,100 | $2,123,920 | +$870,820 | +69.49% |
Frequently asked questions about ECO
Who owns the most ECO stock?
The largest holders of ECO are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for Okeanis Eco Tankers Corp. (ECO).
Is ECO widely held by superinvestors?
Many widely followed stocks like ECO appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ECO is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.