John Overdeck’s Okeanis Eco Tankers ECO Stock Holding History

John Overdeck’s Portfolio ECO Stock Details ECO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$26.4M	Buy	527,038 +222,666	+73%	+$11.6M	0.02%	887
2026 Q1	$15.4M	Buy	304,372 +146,032	+92%	+$6.42M	0.01%	1124
2025 Q4	$5.36M	Buy	158,340 +99,662	+170%	+$3.38M	0.01%	1666
2025 Q3	$1.72M	Buy	58,678 +49,176	+518%	+$1.28M	﹤0.01%	2229
2025 Q2	$206K	Buy	+9,502	New	+$215K	﹤0.01%	2907
2024 Q4	–	Sell	-33,747	Closed	-$1.1M	–	3273
2024 Q3	$1.1M	Buy	33,747 +5,443	+19%	+$170K	﹤0.01%	2068
2024 Q2	$910K	Buy	+28,304	New	+$919K	﹤0.01%	2035
2024 Q1	–	Sell	-7,730	Closed	-$207K	–	3096
2023 Q4	$207K	Buy	+7,730	New	+$205K	﹤0.01%	2827

Other funds holding ECO

QVT Financial New York $1.7B AUM 173.77% 1-Year Est. Return

Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return

Barclays London, United Kingdom $521B AUM 51.41% 1-Year Est. Return

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return

VAS

VR Advisory Services Camana Bay, Grand Cayman, Cayman Islands $1.13B AUM 38.97% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

John Overdeck's ECO Position: Q2 2026 in Review

John Overdeck increased its Okeanis Eco Tankers (ECO) stake by 73% in Q2 2026, buying an estimated $11.6M and bringing the position to 527,038 shares worth $26.4M. The position accounts for 0.02% of the portfolio, ranked #887.

John Overdeck first reported a position in ECO in Q4 2023 and has held it in 8 quarters since. 116 funds tracked by Wall St. Rank hold ECO as of Q2 2026.

John Overdeck held 527,038 shares of Okeanis Eco Tankers worth $26.4M as of Q2 2026.
John Overdeck bought 222,666 Okeanis Eco Tankers shares in Q2 2026, an estimated $11.6M.
Okeanis Eco Tankers made up 0.02% of John Overdeck's portfolio in Q2 2026, its #887 holding.
John Overdeck first reported a position in Okeanis Eco Tankers in Q4 2023 and has held it in 8 quarters since.
116 funds tracked by Wall St. Rank held Okeanis Eco Tankers as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.