Optiver Holding
SMST

Optiver Holding’s Defiance Daily Target 2x Short MSTR ETF SMST Stock Holding History

Optiver Holding’s Portfolio SMST Stock Details SMST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.43M Buy
21,858
+11,173
+105% +$799K ﹤0.01% 526
2025
Q4 		$992K Buy
10,685
+6,511
+156% +$363K ﹤0.01% 498
2025
Q3 		$122K Sell
4,174
-58
-1% -$1.47K ﹤0.01% 670
2025
Q2 		$101K Buy
4,232
+2,119
+100% +$76.9K ﹤0.01% 537
2025
Q1 		$173K Sell
2,113
-22,054
-91% -$2.27M ﹤0.01% 409
2024
Q4 		$4.03M Buy
+24,167
New +$10.6M ﹤0.01% 262

Other funds holding SMST

HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
FTUS
Flow Traders U.S. New York $3.16B AUM 19.52% 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 $3.85B AUM 32.11% 1-Year Est. Return

Optiver Holding's SMST Position: Q1 2026 in Review

Optiver Holding increased its Defiance Daily Target 2x Short MSTR ETF (SMST) stake by 105% in Q1 2026, buying an estimated $799K and bringing the position to 21,858 shares worth $1.43M. The position accounts for ﹤0.01% of the portfolio, ranked #526.

Optiver Holding first reported a position in SMST in Q4 2024 and has held it in 6 quarters since. The position peaked at $4.03M in Q4 2024. 7 funds tracked by Wall St. Rank hold SMST as of Q1 2026.

  • Optiver Holding held 21,858 shares of Defiance Daily Target 2x Short MSTR ETF worth $1.43M as of Q1 2026.
  • Optiver Holding bought 11,173 Defiance Daily Target 2x Short MSTR ETF shares in Q1 2026, an estimated $799K.
  • Defiance Daily Target 2x Short MSTR ETF made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #526 holding.
  • Optiver Holding first reported a position in Defiance Daily Target 2x Short MSTR ETF in Q4 2024 and has held it in 6 quarters since.
  • Optiver Holding's Defiance Daily Target 2x Short MSTR ETF position peaked at $4.03M in Q4 2024.
  • 7 funds tracked by Wall St. Rank held Defiance Daily Target 2x Short MSTR ETF as of Q1 2026.

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