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	$77.3K	Buy	+3,067	New	+$140K	﹤0.01%	10767
2025 Q4	–	Sell	-2,478	Closed	-$354K	–	12898
2025 Q3	$641K	Buy	+2,478	New	+$636K	﹤0.01%	7308

Other funds holding SLON

FTUS

Flow Traders U.S. New York $3.16B AUM 19.52% 1-Year Est. Return

AWE

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

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

MCP

Miller Capital Partners Troy, Michigan $208M AUM

Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return

Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return

Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

TRCT

Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return

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

HCM

Hollencrest Capital Management Newport Beach, California $2.7B AUM 23.62% 1-Year Est. Return

Jane Street's SLON Position: Q1 2026 in Review

Jane Street opened a new position in ProShares Ultra Solana ETF (SLON) in Q1 2026: 3,067 shares worth $77.3K. The stake represents ﹤0.01% of the portfolio and ranks #10767 among its holdings. This is a return to the name: Jane Street previously reported a position in SLON as recently as Q3 2025.

Jane Street first reported a position in SLON in Q3 2025 and has held it in 2 quarters since. The position peaked at $641K in Q3 2025. 12 funds tracked by Wall St. Rank hold SLON as of Q1 2026.

Jane Street held 3,067 shares of ProShares Ultra Solana ETF worth $77.3K as of Q1 2026.
ProShares Ultra Solana ETF was a new Jane Street position in Q1 2026.
ProShares Ultra Solana ETF made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #10767 holding.
Jane Street first reported a position in ProShares Ultra Solana ETF in Q3 2025 and has held it in 2 quarters since.
Jane Street's ProShares Ultra Solana ETF position peaked at $641K in Q3 2025.
12 funds tracked by Wall St. Rank held ProShares Ultra Solana ETF as of Q1 2026.

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