Jane Street’s ProShares Ultra Solana ETF SLON Stock Holding History

Jane Street’s Portfolio SLON Stock Details SLON Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-2,100	Closed	-$148K	–	13535
2025 Q4	$148K	Sell	2,100 -140	-6%	-$20K	﹤0.01%	9942
2025 Q3	$579K	Buy	+2,240	New	+$575K	﹤0.01%	7537

Other funds holding SLON

FTUS

Flow Traders U.S. New York $2.43B AUM 44.44% 1-Year Est. Return

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

AWE

Avidian Wealth Enterprises Houston, Texas $3.62B AUM 24.8% 1-Year Est. Return

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

TRCT

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

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

HCM

Hollencrest Capital Management Newport Beach, California $1.54B AUM 30.1% 1-Year Est. Return

Jane Street's SLON Position: Q2 2026 in Review

Jane Street sold out of ProShares Ultra Solana ETF (SLON) in Q2 2026, closing a stake of 3,067 shares — an estimated $77.3K sold.

Jane Street first reported a position in SLON in Q3 2025 and held it in 2 quarters. The position peaked at $641K in Q3 2025. 7 funds tracked by Wall St. Rank hold SLON as of Q2 2026.

Jane Street reported no remaining ProShares Ultra Solana ETF position as of Q2 2026 after selling out during the quarter.
Jane Street sold 3,067 ProShares Ultra Solana ETF shares in Q2 2026, an estimated $77.3K.
Jane Street first reported a position in ProShares Ultra Solana ETF in Q3 2025 and held it in 2 quarters.
Jane Street's ProShares Ultra Solana ETF position peaked at $641K in Q3 2025.
7 funds tracked by Wall St. Rank held ProShares Ultra Solana ETF as of Q2 2026.

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