Ken Griffin
UBRL

Ken Griffin’s GraniteShares 2x Long UBER Daily ETF UBRL Stock Holding History

Ken Griffin’s Portfolio UBRL Stock Details UBRL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-21,700
Closed -$460K – 14532
2025
Q4 		$460K Sell
21,700
-16,200
-43% -$474K ﹤0.01% 9225
2025
Q3 		$1.34M Buy
37,900
+16,800
+80% +$553K ﹤0.01% 6903
2025
Q2 		$703K Buy
21,100
+5,500
+35% +$148K ﹤0.01% 7830
2025
Q1 		$344K Buy
+15,600
New +$346K ﹤0.01% 9281

Other funds holding UBRL

Optiver Holding
Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return
LCM
Lazari Capital Management Woodland Hills, California $325M AUM 32.83% 1-Year Est. Return
PA
Parallel Advisors San Francisco, California $6.56B AUM 32.24% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return

Ken Griffin's UBRL Position: Q1 2026 in Review

Ken Griffin sold out of GraniteShares 2x Long UBER Daily ETF (UBRL) in Q1 2026, closing a stake of 42,931 shares — an estimated $795K sold.

Ken Griffin first reported a position in UBRL in Q1 2025 and held it in 3 quarters. The position peaked at $911K in Q4 2025. 7 funds tracked by Wall St. Rank hold UBRL as of Q1 2026.

  • Ken Griffin reported no remaining GraniteShares 2x Long UBER Daily ETF position as of Q1 2026 after selling out during the quarter.
  • Ken Griffin sold 42,931 GraniteShares 2x Long UBER Daily ETF shares in Q1 2026, an estimated $795K.
  • Ken Griffin first reported a position in GraniteShares 2x Long UBER Daily ETF in Q1 2025 and held it in 3 quarters.
  • Ken Griffin's GraniteShares 2x Long UBER Daily ETF position peaked at $911K in Q4 2025.
  • 7 funds tracked by Wall St. Rank held GraniteShares 2x Long UBER Daily ETF as of Q1 2026.

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