Ken Griffin’s YieldMax Innovation Option Income Strategy ETF OARK Stock Holding History

Ken Griffin’s Portfolio OARK Stock Details OARK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$328K	Sell	10,748 -6,122	-36%	-$206K	﹤0.01%	10282
2025 Q4	$613K	Buy	+16,870	New	+$689K	﹤0.01%	8545
2025 Q3	–	Sell	-2,663	Closed	-$117K	–	13708
2025 Q2	$117K	Sell	2,663 -264	-9%	-$10.3K	﹤0.01%	11192
2025 Q1	$112K	Sell	2,927 -124	-4%	-$5.96K	﹤0.01%	11310
2024 Q4	$155K	Sell	3,051 -241	-7%	-$12.7K	﹤0.01%	10828
2024 Q3	$174K	Buy	3,292 +1,658	+101%	+$86.1K	﹤0.01%	10350
2024 Q2	$88.2K	Buy	+1,634	New	+$93K	﹤0.01%	11092
2023 Q4	–	Sell	-3,282	Closed	-$223K	–	14938
2023 Q3	$223K	Buy	+3,282	New	+$252K	﹤0.01%	9697

Other funds holding OARK

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

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

Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return

HPBT

Hickory Point Bank & Trust Decatur, Illinois $165M AUM 27.01% 1-Year Est. Return

RFP

Root Financial Partners Encinitas, California $2.57B AUM 21.7% 1-Year Est. Return

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

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Ken Griffin's OARK Position: Q1 2026 in Review

Ken Griffin reduced its YieldMax Innovation Option Income Strategy ETF (OARK) stake by 36% in Q1 2026, selling an estimated $206K and leaving 10,748 shares worth $328K. The position accounts for ﹤0.01% of the portfolio, ranked #10282.

Ken Griffin first reported a position in OARK in Q3 2023 and has held it in 8 quarters since. The position peaked at $613K in Q4 2025. 9 funds tracked by Wall St. Rank hold OARK as of Q1 2026.

Ken Griffin held 10,748 shares of YieldMax Innovation Option Income Strategy ETF worth $328K as of Q1 2026.
Ken Griffin sold 6,122 YieldMax Innovation Option Income Strategy ETF shares in Q1 2026, an estimated $206K.
YieldMax Innovation Option Income Strategy ETF made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #10282 holding.
Ken Griffin first reported a position in YieldMax Innovation Option Income Strategy ETF in Q3 2023 and has held it in 8 quarters since.
Ken Griffin's YieldMax Innovation Option Income Strategy ETF position peaked at $613K in Q4 2025.
9 funds tracked by Wall St. Rank held YieldMax Innovation Option Income Strategy ETF as of Q1 2026.

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