Optiver Holding
MULL

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

Optiver Holding’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
267,975
+244,600
+1,046% +$1.53M ﹤0.01% 548
2025
Q4 		$83.9K Sell
23,375
-406,950
-95% -$1.03M ﹤0.01% 830
2025
Q3 		$624K Buy
430,325
+64,750
+18% +$58.3K ﹤0.01% 507
2025
Q2 		$313K Buy
+365,575
New +$195K ﹤0.01% 421

Other funds holding MULL

Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $149B AUM 62.07% 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 $87.6B AUM 131.08% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

Optiver Holding's MULL Position: Q1 2026 in Review

Optiver Holding increased its GraniteShares 2x Long MU Daily ETF (MULL) stake by 1,046% in Q1 2026, buying an estimated $1.53M and bringing the position to 267,975 shares worth $1.14M. The position accounts for ﹤0.01% of the portfolio, ranked #548.

Optiver Holding first reported a position in MULL in Q2 2025 and has held it in 4 quarters since. 14 funds tracked by Wall St. Rank hold MULL as of Q1 2026.

  • Optiver Holding held 267,975 shares of GraniteShares 2x Long MU Daily ETF worth $1.14M as of Q1 2026.
  • Optiver Holding bought 244,600 GraniteShares 2x Long MU Daily ETF shares in Q1 2026, an estimated $1.53M.
  • GraniteShares 2x Long MU Daily ETF made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #548 holding.
  • Optiver Holding first reported a position in GraniteShares 2x Long MU Daily ETF in Q2 2025 and has held it in 4 quarters since.
  • 14 funds tracked by Wall St. Rank held GraniteShares 2x Long MU Daily ETF as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.