Ken Griffin’s YieldMax MARA Option Income Strategy ETF MARO Stock Holding History

Ken Griffin’s Portfolio MARO Stock Details MARO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-15,753	Closed	-$297K	–	14492
2025 Q3	$297K	Sell	15,753 -2,993	-16%	-$60.3K	﹤0.01%	10395
2025 Q2	$411K	Buy	+18,746	New	+$419K	﹤0.01%	9088

Other funds holding MARO

Tidal Investments Milwaukee, Wisconsin $47.4B AUM 59.58% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Benchmark Financial Wilmington, Delaware $123M AUM

WCM

Winebrenner Capital Management Louisville, Kentucky $164M AUM 12.81% 1-Year Est. Return

Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

HCM

Hollencrest Capital Management Newport Beach, California $2.7B AUM 23.62% 1-Year Est. Return

Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Ken Griffin's MARO Position: Q4 2025 in Review

Ken Griffin sold out of YieldMax MARA Option Income Strategy ETF (MARO) in Q4 2025, closing a stake of 15,753 shares — an estimated $297K sold.

Ken Griffin first reported a position in MARO in Q2 2025 and held it in 2 quarters. The position peaked at $411K in Q2 2025. 12 funds tracked by Wall St. Rank hold MARO as of Q4 2025.

Ken Griffin reported no remaining YieldMax MARA Option Income Strategy ETF position as of Q4 2025 after selling out during the quarter.
Ken Griffin sold 15,753 YieldMax MARA Option Income Strategy ETF shares in Q4 2025, an estimated $297K.
Ken Griffin first reported a position in YieldMax MARA Option Income Strategy ETF in Q2 2025 and held it in 2 quarters.
Ken Griffin's YieldMax MARA Option Income Strategy ETF position peaked at $411K in Q2 2025.
12 funds tracked by Wall St. Rank held YieldMax MARA Option Income Strategy ETF as of Q4 2025.

Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.