Ken Griffin’s Okeanis Eco Tankers ECO Stock Holding History

Ken Griffin’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 Q1	$261K	Sell	5,164 -196,031	-97%	-$8.62M	﹤0.01%	10789
2025 Q4	$6.81M	Buy	201,195 +192,919	+2,331%	+$6.54M	﹤0.01%	3809
2025 Q3	$242K	Buy	+8,276	New	+$216K	﹤0.01%	10831
2025 Q1	–	Sell	-13,108	Closed	-$279K	–	14702
2024 Q4	$279K	Buy	13,108 +2,340	+22%	+$60.1K	﹤0.01%	9803
2024 Q3	$351K	Sell	10,768 -18,188	-63%	-$567K	﹤0.01%	8990
2024 Q2	$931K	Sell	28,956 -8,977	-24%	-$292K	﹤0.01%	6734
2024 Q1	$1.14M	Buy	+37,933	New	+$1.11M	﹤0.01%	6662

Other funds holding ECO

QVT Financial New York $1.37B AUM 148.1% 1-Year Est. Return

Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

PCM

Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

ECA

Encompass Capital Advisors New York $3.34B AUM 167.64% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

VAS

VR Advisory Services Camana Bay, Grand Cayman, Cayman Islands $845M AUM 22.79% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

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

Ken Griffin's ECO Position: Q1 2026 in Review

Ken Griffin reduced its Okeanis Eco Tankers (ECO) stake by 97% in Q1 2026, selling an estimated $8.62M and leaving 5,164 shares worth $261K. The position accounts for ﹤0.01% of the portfolio, ranked #10789.

Ken Griffin first reported a position in ECO in Q1 2024 and has held it in 7 quarters since. The position peaked at $6.81M in Q4 2025. 93 funds tracked by Wall St. Rank hold ECO as of Q1 2026.

Ken Griffin held 5,164 shares of Okeanis Eco Tankers worth $261K as of Q1 2026.
Ken Griffin sold 196,031 Okeanis Eco Tankers shares in Q1 2026, an estimated $8.62M.
Okeanis Eco Tankers made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #10789 holding.
Ken Griffin first reported a position in Okeanis Eco Tankers in Q1 2024 and has held it in 7 quarters since.
Ken Griffin's Okeanis Eco Tankers position peaked at $6.81M in Q4 2025.
93 funds tracked by Wall St. Rank held Okeanis Eco Tankers as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.