Simplex Trading
MDBX

Simplex Trading’s Tradr 2X Long MDB Daily ETF MDBX Stock Holding History

Simplex Trading’s Portfolio MDBX Stock Details MDBX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$7.88K Buy
+406
New +$17.7K ﹤0.01% 7562
2025
Q4 		– Sell
-80
Closed -$3K – 10521
2025
Q3 		$3K Buy
+80
New +$3.27K ﹤0.01% 8591

Other funds holding MDBX

Optiver Holding
Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return
Citigroup
Citigroup New York $235B AUM 32.99% 1-Year Est. Return

Simplex Trading's MDBX Position: Q1 2026 in Review

Simplex Trading opened a new position in Tradr 2X Long MDB Daily ETF (MDBX) in Q1 2026: 406 shares worth $7.88K. The stake represents ﹤0.01% of the portfolio and ranks #7562 among its holdings. This is a return to the name: Simplex Trading previously reported a position in MDBX as recently as Q3 2025.

Simplex Trading first reported a position in MDBX in Q3 2025 and has held it in 2 quarters since. 4 funds tracked by Wall St. Rank hold MDBX as of Q1 2026.

  • Simplex Trading held 406 shares of Tradr 2X Long MDB Daily ETF worth $7.88K as of Q1 2026.
  • Tradr 2X Long MDB Daily ETF was a new Simplex Trading position in Q1 2026.
  • Tradr 2X Long MDB Daily ETF made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #7562 holding.
  • Simplex Trading first reported a position in Tradr 2X Long MDB Daily ETF in Q3 2025 and has held it in 2 quarters since.
  • 4 funds tracked by Wall St. Rank held Tradr 2X Long MDB Daily ETF as of Q1 2026.

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