T-Rex 2X Long MSTR Daily Target ETF
MSTU
31 hedge funds and large institutions have $12.1M invested in T-Rex 2X Long MSTR Daily Target ETF in 2026 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 11 increasing their positions, 1 reducing their positions, and 9 closing their positions.
1,000% more repeat investments, than reductions
Existing positions increased: 11 | Existing positions reduced: 1
44% more first-time investments, than exits
New positions opened: 13 | Existing positions closed: 9
7% more funds holding
Funds holding: 29 → 31 (+2)
0.15% less ownership
Funds ownership: 0.5% → 0.35% (-0.15%)
36% less capital invested
Capital invested by funds: $19M → $12.1M (-$6.82M)
38% less call options, than puts
Call options by funds: $6.72M | Put options by funds: $10.8M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
+$5.93M |
| 2 |
Renaissance Technologies
New York
|
+$2.46M |
| 3 |
Optiver Holding
Amsterdam,
Netherlands
|
+$2.21M |
| 4 |
DS
DRW Securities
Chicago,
Illinois
|
+$504K |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$478K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$8.18M |
| 2 |
BNP Paribas Financial Markets
Paris,
France
|
-$1.66M |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$735K |
| 4 |
SG
StoneX Group
New York
|
-$294K |
| 5 |
KA
Kovack Advisors
Ft. Lauderdale,
Florida
|
-$262K |
MSTU Hedge Fund Activity: Q1 2026 in Review
31 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in T-Rex 2X Long MSTR Daily Target ETF (MSTU) for Q1 2026, worth a combined $12.1M — down 36% from $19M a quarter earlier.
Buyers outnumbered sellers: 13 funds opened new MSTU positions and 9 closed out — a net gain of 4 holders — while 11 added to existing stakes and 1 trimmed.
The largest buyer was Goldman Sachs, adding an estimated $5.93M. The largest seller was Jane Street, cutting an estimated $8.18M.
- 31 institutional investors held T-Rex 2X Long MSTR Daily Target ETF (MSTU) as of Q1 2026, up from 29 in Q4 2025.
- Funds reported $12.1M of T-Rex 2X Long MSTR Daily Target ETF stock for Q1 2026, down 36% quarter-over-quarter.
- 13 funds opened new T-Rex 2X Long MSTR Daily Target ETF positions in Q1 2026 and 9 closed out, a net change of +4 holders.
- The largest T-Rex 2X Long MSTR Daily Target ETF buyer in Q1 2026 was Goldman Sachs, an estimated $5.93M added.
- The largest T-Rex 2X Long MSTR Daily Target ETF seller in Q1 2026 was Jane Street, an estimated $8.18M sold.
Based on aggregated 13F filings for Q1 2026.