Tradr 2X Long OPEN Daily ETF
OPEX
4 hedge funds and large institutions have $803K invested in Tradr 2X Long OPEN Daily ETF in 2025 Q4 according to their latest regulatory filings, with 4 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.
1.58% more ownership
Funds ownership: 0% → 1.58% (+1.6%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$853K |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$311K |
| 3 |
Optiver Holding
Amsterdam,
Netherlands
|
+$196K |
| 4 |
Simplex Trading
Chicago,
Illinois
|
+$2.3K |
Top Sellers
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Citadel Advisors
Miami,
Florida
| $503K | +$853K | +11,894 | New |
|
|
2
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
| $183K | +$311K | +4,333 | New |
|
|
3
Optiver Holding
Amsterdam,
Netherlands
| $115K | +$196K | +2,726 | New |
|
|
4
Simplex Trading
Chicago,
Illinois
| $1.37K | +$2.3K | +32 | New |
|
OPEX Hedge Fund Activity: Q4 2025 in Review
4 of the 8,238 institutional investors tracked by Wall St. Rank reported a position in Tradr 2X Long OPEN Daily ETF (OPEX) for Q4 2025, worth a combined $803K.
Buyers outnumbered sellers: 4 funds opened new OPEX positions and 0 closed out — a net gain of 4 holders — while 0 added to existing stakes and 0 trimmed.
The largest buyer was Citadel Advisors, opening a new position worth an estimated $853K.
- 4 institutional investors held Tradr 2X Long OPEN Daily ETF (OPEX) as of Q4 2025, up from 0 in Q3 2025.
- Funds reported $803K of Tradr 2X Long OPEN Daily ETF stock for Q4 2025.
- 4 funds opened new Tradr 2X Long OPEN Daily ETF positions in Q4 2025 and 0 closed out, a net change of +4 holders.
- The largest Tradr 2X Long OPEN Daily ETF buyer in Q4 2025 was Citadel Advisors, an estimated $853K added.
Based on aggregated 13F filings for Q4 2025.