Ken Griffin
SLON

Ken Griffin’s ProShares Ultra Solana ETF SLON Stock Holding History

Ken Griffin’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 		$128K Buy
5,076
+2,162
+74% +$99K ﹤0.01% 11820
2025
Q4 		$205K Buy
+2,914
New +$417K ﹤0.01% 10999

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
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
MCP
Miller Capital Partners Troy, Michigan $208M AUM
Simplex Trading
Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return
Osaic Holdings
Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return
UBS Group
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

Ken Griffin's SLON Position: Q1 2026 in Review

Ken Griffin increased its ProShares Ultra Solana ETF (SLON) stake by 74% in Q1 2026, buying an estimated $99K and bringing the position to 5,076 shares worth $128K. The position accounts for ﹤0.01% of the portfolio, ranked #11820.

Ken Griffin first reported a position in SLON in Q4 2025 and has held it in 2 quarters since. The position peaked at $205K in Q4 2025. 12 funds tracked by Wall St. Rank hold SLON as of Q1 2026.

  • Ken Griffin held 5,076 shares of ProShares Ultra Solana ETF worth $128K as of Q1 2026.
  • Ken Griffin bought 2,162 ProShares Ultra Solana ETF shares in Q1 2026, an estimated $99K.
  • ProShares Ultra Solana ETF made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #11820 holding.
  • Ken Griffin first reported a position in ProShares Ultra Solana ETF in Q4 2025 and has held it in 2 quarters since.
  • Ken Griffin's ProShares Ultra Solana ETF position peaked at $205K in Q4 2025.
  • 12 funds tracked by Wall St. Rank held ProShares Ultra Solana ETF as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.