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 Q2	$414K	Buy	58,085 +32,085	+123%	+$271K	﹤0.01%	8476
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 $786B AUM 40.34% 1-Year Est. Return

Jane Street's SMYY Position: Q2 2026 in Review

Jane Street increased its GraniteShares YieldBOOST SMCI ETF (SMYY) stake by 123% in Q2 2026, buying an estimated $271K and bringing the position to 58,085 shares worth $414K. The position accounts for ﹤0.01% of the portfolio, ranked #8476.

Jane Street first reported a position in SMYY in Q3 2025 and has held it in 3 quarters since. The position peaked at $634K in Q3 2025. 2 funds tracked by Wall St. Rank hold SMYY as of Q2 2026.

Jane Street held 58,085 shares of GraniteShares YieldBOOST SMCI ETF worth $414K as of Q2 2026.
Jane Street bought 32,085 GraniteShares YieldBOOST SMCI ETF shares in Q2 2026, an estimated $271K.
GraniteShares YieldBOOST SMCI ETF made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #8476 holding.
Jane Street first reported a position in GraniteShares YieldBOOST SMCI ETF in Q3 2025 and has held it in 3 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 Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.