Okeanis Eco Tankers Corp. (ECO) Institutional Ownership

Ownership Summary

Okeanis Eco Tankers Corp. (NYSE:ECO) has 93 institutional investors with active 13F positions as of March 2026.

• These investors held 24.9% of outstanding shares in March 2026, up from 22.7% in December 2025.
• Their total shares held in ECO increased 28.05% from the prior quarter, while the number of investors in Okeanis Eco Tankers increased 181.82% year over year.
• Of these 93 funds, 72 grew their exposure to Okeanis Eco Tankers, 16 cut back, and 5 maintained positions.
• The aggregate institutional position in Okeanis Eco Tankers amounted to 9.51Mn shares as of March 2026, up by 2.08Mn shares quarter on quarter, and up 5.45Mn shares year over year.
• As of March 31, 2026, QVT Financial LP held the largest stake in Okeanis Eco Tankers with 1.42Mn shares, accounting for 3.73% of total shares outstanding.
• The biggest buyers of Okeanis Eco Tankers for the quarter ending March 2026 included Portolan Capital Management, LLC (377.04K), ACADIAN ASSET MANAGEMENT LLC (367.25K), JANE STREET GROUP, LLC (246.9K), VOLORIDGE INVESTMENT MANAGEMENT, LLC (178.13K), MARSHALL WACE, LLP (169.6K).
• Top sellers of ECO stock for the quarter ending March 2026 included Encompass Capital Advisors LLC (432.72K), FEARNLEY ASSET MANAGEMENT AS (369.05K), CITADEL ADVISORS LLC (196.03K), VR Advisory Services Ltd (170.84K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (134.16K).
• Per Business Quant, the top 10 investors in ECO for the quarter ending March 2026 include QVT Financial LP (1.42Mn), FIL Ltd (624.18K), Portolan Capital Management, LLC (538.86K), MARSHALL WACE, LLP (492.02K), Encompass Capital Advisors LLC (377.43K), ACADIAN ASSET MANAGEMENT LLC (367.25K), VR Advisory Services Ltd (343.73K), Goldman Sachs Group Inc (342.43K), JANE STREET GROUP, LLC (326.3K), Jpmorgan Chase & Co (310.57K).