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MDBX

Tradr 2X Long MDB Daily ETF
MDBX

Delisted

MDBX was delisted on the 20th of April, 2026.

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6 hedge funds and large institutions have $1.8M invested in Tradr 2X Long MDB Daily ETF in 2025 Q4 according to their latest regulatory filings, with 6 funds opening new positions, increasing their positions, reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

59,934% more capital invested

Capital invested by funds: $3K → $1.8M (+$1.8M)

500% more funds holding

Funds holding: 1 → 6 (+5)

500% more first-time investments, than exits

New positions opened: 6 | Existing positions closed: 1

45.89% more ownership

Funds ownership: 0.13% → 46.02% (+46%)

Holders
6
Holders Change
+5
Holders Change %
+500%
% of All Funds
0.07%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
6
Increased
–
Reduced
–
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
+$531K
2
Optiver Holding
Optiver Holding
Netherlands
+$502K
3
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$358K
4
HCM
Hollencrest Capital Management
California
+$16.9K
5
Group One Trading
Group One Trading
Illinois
+$14.7K

Top Sellers

Rank Fund Capital Flow
1
Simplex Trading
Simplex Trading
Illinois
-$3K

MDBX Hedge Fund Activity: Q4 2025 in Review

6 of the 8,275 institutional investors tracked by Wall St. Rank reported a position in Tradr 2X Long MDB Daily ETF (MDBX) for Q4 2025, worth a combined $1.8M — up 59,934% from $3K a quarter earlier.

Buyers outnumbered sellers: 6 funds opened new MDBX positions and 1 closed out — a net gain of 5 holders — while 0 added to existing stakes and 0 trimmed.

The largest buyer was Citadel Advisors, opening a new position worth an estimated $531K. The largest seller was Simplex Trading, exiting entirely with an estimated $3K sold.

  • 6 institutional investors held Tradr 2X Long MDB Daily ETF (MDBX) as of Q4 2025, up from 1 in Q3 2025.
  • Funds reported $1.8M of Tradr 2X Long MDB Daily ETF stock for Q4 2025, up 59,934% quarter-over-quarter.
  • 6 funds opened new Tradr 2X Long MDB Daily ETF positions in Q4 2025 and 1 closed out, a net change of +5 holders.
  • The largest Tradr 2X Long MDB Daily ETF buyer in Q4 2025 was Citadel Advisors, an estimated $531K added.
  • The largest Tradr 2X Long MDB Daily ETF seller in Q4 2025 was Simplex Trading, an estimated $3K sold.

Based on aggregated 13F filings for Q4 2025.