Jane Street’s GraniteShares YieldBOOST SMCI ETF SMYY Stock Holding History

Jane Street’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	$237K	Buy	+26,000	New	+$292K	﹤0.01%	9756
2025 Q4	–	Sell	-24,898	Closed	-$634K	–	12942
2025 Q3	$634K	Buy	+24,898	New	+$634K	﹤0.01%	7327

Other funds holding SMYY

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

Jane Street's SMYY Position: Q1 2026 in Review

Jane Street opened a new position in GraniteShares YieldBOOST SMCI ETF (SMYY) in Q1 2026: 26,000 shares worth $237K. The stake represents ﹤0.01% of the portfolio and ranks #9756 among its holdings. This is a return to the name: Jane Street previously reported a position in SMYY as recently as Q3 2025.

Jane Street first reported a position in SMYY in Q3 2025 and has held it in 2 quarters since. The position peaked at $634K in Q3 2025. 2 funds tracked by Wall St. Rank hold SMYY as of Q1 2026.

Jane Street held 26,000 shares of GraniteShares YieldBOOST SMCI ETF worth $237K as of Q1 2026.
GraniteShares YieldBOOST SMCI ETF was a new Jane Street position in Q1 2026.
GraniteShares YieldBOOST SMCI ETF made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #9756 holding.
Jane Street first reported a position in GraniteShares YieldBOOST SMCI ETF in Q3 2025 and has held it in 2 quarters since.
Jane Street's GraniteShares YieldBOOST SMCI ETF position peaked at $634K in Q3 2025.
2 funds tracked by Wall St. Rank held GraniteShares YieldBOOST SMCI ETF as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.