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 100 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, 100 institutions disclosed 9.3M shares of Okeanis Eco Tankers Corp. worth $457.4M; the largest disclosed holder is QVT Financial LP. Source: SEC Form 13F filings, parsed by EvidInvest.

100

13F holders

$457.4M

value, 2026 filers

9.3M

shares disclosed

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

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	QVT Financial LP	1.4M	$64.8M	4.7%	—	—
2	FIL Ltd	624,184	$32.4M	0.0%	—	—
3	Portolan Capital Management, LLC	538,860	$27.3M	1.5%	—	—
4	MARSHALL WACE, LLP	492,018	$24.9M	0.0%	—	—
5	Encompass Capital Advisors LLC	377,432	$19.1M	0.6%	—	—
6	ACADIAN ASSET MANAGEMENT LLC	367,253	$18.9M	0.0%	—	—
7	VR Advisory Services Ltd	343,729	$17.4M	2.1%	—	—
8	GOLDMAN SACHS GROUP INC	342,431	$17.3M	0.0%	—	—
9	JANE STREET GROUP, LLC	326,300	$17.0M	0.0%	—	—
10	JPMORGAN CHASE & CO	310,570	$15.4M	0.0%	—	—
11	TWO SIGMA INVESTMENTS, LP	304,372	$15.4M	0.0%	—	—
12	BANK OF AMERICA CORP /DE/	278,305	$14.1M	0.0%	—	—
13	BARCLAYS PLC	270,001	$13.7M	0.0%	—	—
14	BlackRock, Inc.	266,552	$13.5M	0.0%	—	—
15	VOLORIDGE INVESTMENT MANAGEMENT, LLC	178,133	$9.0M	0.0%	—	—
16	Qube Research & Technologies Ltd	172,786	$8.7M	0.0%	—	—
17	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	158,621	$8.1M	0.0%	—	—
18	Point72 Asset Management, L.P.	131,145	$6.6M	0.0%	—	—
19	Oceanic Investment Management LTD	112,371	$5.7M	4.8%	—	—
20	Walleye Capital LLC	111,104	$5.6M	0.0%	—	—
21	EAM Global Investors LLC	107,025	$5.4M	11.5%	—	—
22	BNP PARIBAS ARBITRAGE, SNC	98,962	$5.0M	0.0%	—	—
23	MILLENNIUM MANAGEMENT LLC	91,240	$4.6M	0.0%	—	—
24	UBS Group AG	90,932	$4.6M	0.0%	—	—
25	RAYMOND JAMES FINANCIAL INC	83,055	$4.2M	0.0%	—	—

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.