Ken Griffin’s GraniteShares YieldBOOST SMCI ETF SMYY Stock Holding History

Ken Griffin’s Portfolio SMYY Stock Details SMYY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-20,592	Closed	-$269K	–	14801
2025 Q4	$269K	Buy	+20,592	New	+$411K	﹤0.01%	10389

Other funds holding SMYY

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

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Ken Griffin's SMYY Position: Q1 2026 in Review

Ken Griffin sold out of GraniteShares YieldBOOST SMCI ETF (SMYY) in Q1 2026, closing a stake of 20,592 shares — an estimated $269K sold.

Ken Griffin first reported a position in SMYY in Q4 2025 and held it in 1 quarter. The position peaked at $269K in Q4 2025. 2 funds tracked by Wall St. Rank hold SMYY as of Q1 2026.

Ken Griffin reported no remaining GraniteShares YieldBOOST SMCI ETF position as of Q1 2026 after selling out during the quarter.
Ken Griffin sold 20,592 GraniteShares YieldBOOST SMCI ETF shares in Q1 2026, an estimated $269K.
Ken Griffin first reported a position in GraniteShares YieldBOOST SMCI ETF in Q4 2025 and held it in 1 quarter.
Ken Griffin's GraniteShares YieldBOOST SMCI ETF position peaked at $269K in Q4 2025.
2 funds tracked by Wall St. Rank held GraniteShares YieldBOOST SMCI ETF as of Q1 2026.

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