MSTU — T-REX 2X LONG MSTR DT ETF
As of Q2 2026, 4 SEC-registered investment managers reported holding MSTU (T-REX 2X LONG MSTR DT ETF) in their latest 13F filings, with a combined reported value of $3.41M across 2.10M shares. That is -16.8% by share count (-424.37K shares) versus the previous quarter, while reported value moved -68.3%. Ownership is concentrated: the five largest holders account for 100.0% of reported value and the top ten for 100.0%.
Compared with the prior quarter, 2 added to existing stakes, 2 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
Q2 2026 — 4 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 1.78M | $2.88M | 0.00% | Add |
| Renaissance Technologies history | 177.00K | $286.74K | 0.00% | Reduce |
| UBS Group AG history | 149.03K | $241.42K | 0.00% | Reduce |
| Morgan Stanley history | 2.17K | $3.52K | 0.00% | Add |
Q1 2026 — 6 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 1.01M | $4.28M | 0.00% | Add |
| Goldman Sachs Group history | 940.00K | $4.00M | 0.00% | Add |
| Renaissance Technologies history | 377.60K | $1.60M | 0.00% | New |
| UBS Group AG history | 189.87K | $806.94K | 0.00% | Add |
| Citigroup Inc history | 13.44K | $57.11K | 0.00% | Add |
| Morgan Stanley history | 1.09K | $4.62K | 0.00% | New |
Q4 2025 — 4 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 530.31K | $4.41M | 0.00% | Reduce |
| UBS Group AG history | 116.51K | $968.18K | 0.00% | Reduce |
| Goldman Sachs Group history | 30.00K | $249.30K | 0.00% | New |
| Citigroup Inc history | 3.71K | $30.83K | 0.00% | Reduce |
Q3 2025 — 5 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 4.23M | $19.65M | 0.00% | Reduce |
| Citigroup Inc history | 2.00M | $9.30M | 0.00% | Reduce |
| Renaissance Technologies history | 280.00K | $1.30M | 0.00% | Reduce |
| UBS Group AG history | 201.66K | $937.72K | 0.00% | Reduce |
| Morgan Stanley history | 48.54K | $225.69K | 0.00% | Reduce |
Q2 2025 — 6 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 7.66M | $66.23M | 0.01% | Add |
| Citigroup Inc history | 2.17M | $18.74M | 0.01% | Hold |
| Goldman Sachs Group history | 950.00K | $8.22M | 0.00% | New |
| UBS Group AG history | 559.14K | $4.84M | 0.00% | Reduce |
| Renaissance Technologies history | 385.90K | $3.34M | 0.00% | New |
| Morgan Stanley history | 88.64K | $766.78K | 0.00% | Reduce |
Q1 2025 — 5 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 7.42M | $40.49M | 0.01% | Add |
| Citigroup Inc history | 2.17M | $11.83M | 0.01% | Reduce |
| UBS Group AG history | 1.27M | $6.93M | 0.00% | Add |
| Morgan Stanley history | 98.49K | $537.76K | 0.00% | Reduce |
| Bank of America Corp history | 1.30K | $7.10K | 0.00% | Hold |
New Positions (Q2 2026)
No fund opened a new position this quarter.
Fully Exited (vs previous quarter)
- Goldman Sachs Group sold 940.00K sh · $4.00M
- Citigroup Inc sold 13.44K sh · $57.11K
Fund Position History — shares by quarter (top 9 funds)
| Fund | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 |
|---|---|---|---|---|---|---|---|---|
| Citadel Advisors | 1.78M | 1.01M | 530.31K | 4.23M | 7.66M | 7.42M | 6.58M | 23.59K |
| Renaissance Technologies | 177.00K | 377.60K | — | 280.00K | 385.90K | — | — | — |
| UBS Group AG | 149.03K | 189.87K | 116.51K | 201.66K | 559.14K | 1.27M | 462.32K | 11.81K |
| Morgan Stanley | 2.17K | 1.09K | — | 48.54K | 88.64K | 98.49K | 139.15K | — |
| Goldman Sachs Group | — | 940.00K | 30.00K | — | 950.00K | — | — | — |
| Citigroup Inc | — | 13.44K | 3.71K | 2.00M | 2.17M | 2.17M | 2.49M | — |
| Fidelity Management & Research (FMR) | — | — | — | — | — | — | 1 | — |
| JPMorgan Chase & Co | — | — | — | — | — | — | 261.37K | — |
| Bank of America Corp | — | — | — | — | — | 1.30K | 1.30K | — |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details