Roundhill Uranium ETF
3 hedge funds and large institutions have $2.06M invested in Roundhill Uranium ETF in 2026 Q2 according to their latest regulatory filings, with 1 funds opening new positions, 1 increasing their positions, 1 reducing their positions, and 2 closing their positions.
118% more capital invested
Capital invested by funds: $945K → $2.06M (+$1.11M)
21.04% more ownership
Funds ownership: 25.76% → 46.81% (+21%)
0% more repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 1
25% less funds holding
Funds holding: 4 → 3 (-1)
50% less first-time investments, than exits
New positions opened: 1 | Existing positions closed: 2
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $1.49M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$1.35M |
| 2 |
Jane Street
New York
|
+$430K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$478K |
| 2 |
Simplex Trading
Chicago,
Illinois
|
-$4.82K |
| 3 |
MSG
Main Street Group
Glen Allen,
Virginia
|
-$3.06K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Citadel Advisors
Miami,
Florida
| $1.25M | +$1.35M | +45,404 | New |
|
|
2
Jane Street
New York
| $715K | +$430K | +14,447 | +125% |
|
|
3
Simplex Trading
Chicago,
Illinois
| $95.5K | -$4.82K | -162 | -4% |
|
|
4
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
| – | -$478K | -15,618 | Closed |
|
|
MSG
5
Main Street Group
Glen Allen,
Virginia
| – | -$3.06K | -100 | Closed |
|
UX Hedge Fund Activity: Q2 2026 in Review
3 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Roundhill Uranium ETF (UX) for Q2 2026, worth a combined $2.06M — up 118% from $945K a quarter earlier.
Sellers outnumbered buyers: 2 funds closed out of UX and 1 opened new positions — a net loss of 1 holder — while 1 trimmed existing stakes and 1 added.
The largest buyer was Citadel Advisors, opening a new position worth an estimated $1.35M. The largest seller was Susquehanna International Group, exiting entirely with an estimated $478K sold.
- 3 institutional investors held Roundhill Uranium ETF (UX) as of Q2 2026, down from 4 in Q1 2026.
- Funds reported $2.06M of Roundhill Uranium ETF stock for Q2 2026, up 118% quarter-over-quarter.
- 1 fund opened new Roundhill Uranium ETF positions in Q2 2026 and 2 closed out, a net change of -1 holder.
- The largest Roundhill Uranium ETF buyer in Q2 2026 was Citadel Advisors, an estimated $1.35M added.
- The largest Roundhill Uranium ETF seller in Q2 2026 was Susquehanna International Group, an estimated $478K sold.
Based on aggregated 13F filings for Q2 2026.