Simplex Trading
MULL

Simplex Trading’s GraniteShares 2x Long MU Daily ETF MULL Stock Holding History

Simplex Trading’s Portfolio MULL Stock Details MULL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.14M Buy
+268,675
New +$1.68M ﹤0.01% 2364
2025
Q4 		– Sell
-8,200
Closed -$11K – 10436
2025
Q3 		$11K Buy
+8,200
New +$7.39K ﹤0.01% 7853
2025
Q1 		– Sell
-50
Closed – – 9933
2024
Q4 		$0 Buy
+50
New +$40 ﹤0.01% 9854

Other funds holding MULL

Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
MASUI
MIRAE ASSET SECURITIES (USA) INC. New York $2.72B AUM 36.56% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.25% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $7.5B AUM 33.9% 1-Year Est. Return
CAG
Csenge Advisory Group Clearwater, Florida $2.18B AUM 16.73% 1-Year Est. Return
Belvedere Trading
Belvedere Trading Chicago, Illinois $84.4B AUM 52.68% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

Simplex Trading's MULL Position: Q1 2026 in Review

Simplex Trading opened a new position in GraniteShares 2x Long MU Daily ETF (MULL) in Q1 2026: 268,675 shares worth $1.14M. The stake represents ﹤0.01% of the portfolio and ranks #2364 among its holdings. This is a return to the name: Simplex Trading previously reported a position in MULL as recently as Q3 2025.

Simplex Trading first reported a position in MULL in Q4 2024 and has held it in 3 quarters since. 14 funds tracked by Wall St. Rank hold MULL as of Q1 2026.

  • Simplex Trading held 268,675 shares of GraniteShares 2x Long MU Daily ETF worth $1.14M as of Q1 2026.
  • GraniteShares 2x Long MU Daily ETF was a new Simplex Trading position in Q1 2026.
  • GraniteShares 2x Long MU Daily ETF made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #2364 holding.
  • Simplex Trading first reported a position in GraniteShares 2x Long MU Daily ETF in Q4 2024 and has held it in 3 quarters since.
  • 14 funds tracked by Wall St. Rank held GraniteShares 2x Long MU Daily ETF as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.