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UX

Roundhill Uranium ETF
UX

2 hedge funds and large institutions have $651K invested in Roundhill Uranium ETF in 2025 Q4 according to their latest regulatory filings, with 1 funds opening new positions, 1 increasing their positions, 0 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

0% more funds holding

Funds holding: 2 → 2 (0)

0% more first-time investments, than exits

New positions opened: 1 | Existing positions closed: 1

45.56% less ownership

Funds ownership: 69.89% → 24.32% (-46%)

50% less capital invested

Capital invested by funds: $1.3M → $651K (-$653K)

Holders
2
Holders Change
–
Holders Change %
0%
% of All Funds
0.02%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
1
Increased
1
Reduced
–
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$311K
2
Simplex Trading
Simplex Trading
Illinois
+$3.55K

Top Sellers

Rank Fund Capital Flow
1
Jane Street
Jane Street
New York
-$963K
Name Holding Trade Value Shares
Change 		Change in
Stake
Susquehanna International Group
1
Susquehanna International Group
Pennsylvania
$647K +$311K +10,790 +98%
Simplex Trading
2
Simplex Trading
Illinois
$3.66K +$3.55K +123 New
Jane Street
3
Jane Street
New York
– -$963K -30,952 Closed

UX Hedge Fund Activity: Q4 2025 in Review

2 of the 8,256 institutional investors tracked by Wall St. Rank reported a position in Roundhill Uranium ETF (UX) for Q4 2025, worth a combined $651K — down 50% from $1.3M a quarter earlier.

Fund positioning in UX was balanced in Q4 2025: 1 fund opened new positions, 1 closed out, 1 added to existing stakes and 0 trimmed.

The largest buyer was Susquehanna International Group, adding an estimated $311K. The largest seller was Jane Street, exiting entirely with an estimated $963K sold.

  • 2 institutional investors held Roundhill Uranium ETF (UX) as of Q4 2025, unchanged from Q3 2025.
  • Funds reported $651K of Roundhill Uranium ETF stock for Q4 2025, down 50% quarter-over-quarter.
  • 1 fund opened new Roundhill Uranium ETF positions in Q4 2025 and 1 closed out, a net change of 0 holders.
  • The largest Roundhill Uranium ETF buyer in Q4 2025 was Susquehanna International Group, an estimated $311K added.
  • The largest Roundhill Uranium ETF seller in Q4 2025 was Jane Street, an estimated $963K sold.

Based on aggregated 13F filings for Q4 2025.