T-Rex 2X Inverse MSTR Daily Target ETF
MSTZ
18 hedge funds and large institutions have $2.95M invested in T-Rex 2X Inverse MSTR Daily Target ETF in 2025 Q2 according to their latest regulatory filings, with 5 funds opening new positions, 7 increasing their positions, 4 reducing their positions, and 8 closing their positions.
123% more call options, than puts
Call options by funds: $7.85M | Put options by funds: $3.52M
75% more repeat investments, than reductions
Existing positions increased: 7 | Existing positions reduced: 4
12.23% less ownership
Funds ownership: 15.01% → 2.77% (-12%)
14% less funds holding
Funds holding: 21 → 18 (-3)
38% less first-time investments, than exits
New positions opened: 5 | Existing positions closed: 8
90% less capital invested
Capital invested by funds: $29.4M → $2.95M (-$26.5M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Simplex Trading
Chicago,
Illinois
|
+$655K |
| 2 |
AWM
Avior Wealth Management
Omaha,
Nebraska
|
+$420K |
| 3 |
HF
HRT Financial
New York
|
+$355K |
| 4 |
SG
StoneX Group
New York
|
+$319K |
| 5 |
TSS
Two Sigma Securities
New York
|
+$283K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$6.08M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
-$3.18M |
| 3 |
Jane Street
New York
|
-$2.15M |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$2.11M |
| 5 |
GS
GTS Securities
New York
|
-$1.32M |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
26
Osaic Holdings
Scottsdale,
Arizona
| – | -$1.07K | -76 | Closed |
|
MSTZ Hedge Fund Activity: Q2 2025 in Review
18 of the 7,597 institutional investors tracked by Wall St. Rank reported a position in T-Rex 2X Inverse MSTR Daily Target ETF (MSTZ) for Q2 2025, worth a combined $2.95M — down 90% from $29.4M a quarter earlier.
Sellers outnumbered buyers: 8 funds closed out of MSTZ and 5 opened new positions — a net loss of 3 holders — while 4 trimmed existing stakes and 7 added.
The largest buyer was Simplex Trading, adding an estimated $655K. The largest seller was UBS Group, exiting entirely with an estimated $6.08M sold.
- 18 institutional investors held T-Rex 2X Inverse MSTR Daily Target ETF (MSTZ) as of Q2 2025, down from 21 in Q1 2025.
- Funds reported $2.95M of T-Rex 2X Inverse MSTR Daily Target ETF stock for Q2 2025, down 90% quarter-over-quarter.
- 5 funds opened new T-Rex 2X Inverse MSTR Daily Target ETF positions in Q2 2025 and 8 closed out, a net change of -3 holders.
- The largest T-Rex 2X Inverse MSTR Daily Target ETF buyer in Q2 2025 was Simplex Trading, an estimated $655K added.
- The largest T-Rex 2X Inverse MSTR Daily Target ETF seller in Q2 2025 was UBS Group, an estimated $6.08M sold.
Based on aggregated 13F filings for Q2 2025.