Jeff Yass’s GraniteShares YieldBOOST COIN ETF COYY Stock Holding History

Jeff Yass’s Portfolio COYY Stock Details COYY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$698K	Buy	38,824 +29,387	+311%	+$651K	﹤0.01%	9105
2026 Q1	$242K	Buy	+9,437	New	+$315K	﹤0.01%	11335

Other funds holding COYY

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

GSC

Ground Swell Capital Folly Beach, South Carolina $92.6M AUM 41.64% 1-Year Est. Return

Group One Trading Chicago, Illinois $71.1B AUM 128.96% 1-Year Est. Return

Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return

Belvedere Trading Chicago, Illinois $87.6B AUM 131.08% 1-Year Est. Return

TRCT

Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Jeff Yass's COYY Position: Q2 2026 in Review

Jeff Yass increased its GraniteShares YieldBOOST COIN ETF (COYY) stake by 311% in Q2 2026, buying an estimated $651K and bringing the position to 38,824 shares worth $698K. The position accounts for ﹤0.01% of the portfolio, ranked #9105.

Jeff Yass first reported a position in COYY in Q1 2026 and has held it in 2 quarters since. 8 funds tracked by Wall St. Rank hold COYY as of Q2 2026.

Jeff Yass held 38,824 shares of GraniteShares YieldBOOST COIN ETF worth $698K as of Q2 2026.
Jeff Yass bought 29,387 GraniteShares YieldBOOST COIN ETF shares in Q2 2026, an estimated $651K.
GraniteShares YieldBOOST COIN ETF made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #9105 holding.
Jeff Yass first reported a position in GraniteShares YieldBOOST COIN ETF in Q1 2026 and has held it in 2 quarters since.
8 funds tracked by Wall St. Rank held GraniteShares YieldBOOST COIN ETF as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.