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Who owns ECOWhat ECO owns — n/a

Who owns Okeanis Eco Tankers Corp.?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of ECO from SEC Form 13F filings across 117 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-06-30 reporting period, 117 institutions disclosed 9.8M shares of Okeanis Eco Tankers Corp. worth $481.1M — about 30% of shares outstanding; the largest disclosed holder is QVT Financial LP. Source: SEC Form 13F filings, parsed by EvidInvest.

117

13F holders

$481.1M

value, 2026 filers

30%

of shares outstanding (9.8M sh)

41

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ECO's shares outstanding

#ManagerSharesValue% of fund% of co.Δ shares QoQ
1QVT Financial LP1.4M$64.2M3.8%4.4%0.0%
2FIL Ltd829,399$41.1M0.0%2.5%+32.9%
3BARCLAYS PLC577,701$29.0M0.0%1.8%+114.0%
4MARSHALL WACE, LLP565,642$28.3M0.0%1.7%+15.0%
5TWO SIGMA INVESTMENTS, LP527,038$26.4M0.0%1.6%+73.2%
6JANE STREET GROUP, LLC488,409$24.1M0.0%1.5%+49.7%
7GOLDMAN SACHS GROUP INC423,692$21.2M0.0%1.3%+23.7%
8Qube Research & Technologies Ltd399,124$20.0M0.0%1.2%+131.0%
9VR Advisory Services Ltd343,729$17.2M1.5%1.1%0.0%
10ACADIAN ASSET MANAGEMENT LLC290,839$14.4M0.0%0.9%-20.8%
11JPMORGAN CHASE & CO284,695$14.1M0.0%0.9%-8.3%
12ARROWSTREET CAPITAL, LIMITED PARTNERSHIP260,310$13.0M0.0%0.8%+64.1%
13Encompass Capital Advisors LLC222,197$11.1M0.4%0.7%-41.1%
14Portolan Capital Management, LLC195,997$9.8M0.4%0.6%-63.6%
15MORGAN STANLEY193,694$9.7M0.0%0.6%+229.1%
16MILLENNIUM MANAGEMENT LLC159,952$8.0M0.0%0.5%+75.3%
17VOLORIDGE INVESTMENT MANAGEMENT, LLC159,581$8.0M0.0%0.5%-10.4%
18Thomist Capital Management, LP133,922$6.7M2.1%0.4%+143.1%
19BNP PARIBAS FINANCIAL MARKETS119,363$6.0M0.0%0.4%+20.6%
20FEARNLEY ASSET MANAGEMENT AS111,836$5.5M2.0%0.3%-52.7%
21Walleye Capital LLC111,104$5.6M0.0%0.3%-37.4%
22Marnell Management LLC96,294$4.8M1.9%0.3%+80.8%
23CastleKnight Management LPNEW88,300$4.4M0.1%0.3%new
24RAYMOND JAMES FINANCIAL INC88,258$4.4M0.0%0.3%+6.3%
25Point72 Asset Management, L.P.87,559$4.4M0.0%0.3%-33.2%

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.

EvidInvest is an independent research and information tool. Figures are calculated from public SEC filings and third-party market data and are provided for informational and educational purposes only. EvidInvest does not provide investment advice, brokerage, or financial services, and is not affiliated with any company it covers. Verify all figures against primary sources before making any decision.