Ken Griffin’s YieldMax RBLX Option Income Strategy ETF RBLY Stock Holding History

Ken Griffin’s Portfolio RBLY Stock Details RBLY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-22,764	Closed	-$664K	–	14768
2025 Q4	$664K	Buy	+22,764	New	+$895K	﹤0.01%	8326

Other funds holding RBLY

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

Ken Griffin's RBLY Position: Q1 2026 in Review

Ken Griffin sold out of YieldMax RBLX Option Income Strategy ETF (RBLY) in Q1 2026, closing a stake of 22,764 shares — an estimated $664K sold.

Ken Griffin first reported a position in RBLY in Q4 2025 and held it in 1 quarter. The position peaked at $664K in Q4 2025. 1 fund tracked by Wall St. Rank holds RBLY as of Q1 2026.

Ken Griffin reported no remaining YieldMax RBLX Option Income Strategy ETF position as of Q1 2026 after selling out during the quarter.
Ken Griffin sold 22,764 YieldMax RBLX Option Income Strategy ETF shares in Q1 2026, an estimated $664K.
Ken Griffin first reported a position in YieldMax RBLX Option Income Strategy ETF in Q4 2025 and held it in 1 quarter.
Ken Griffin's YieldMax RBLX Option Income Strategy ETF position peaked at $664K in Q4 2025.
1 fund tracked by Wall St. Rank held YieldMax RBLX Option Income Strategy ETF as of Q1 2026.

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