T-Rex 2X Inverse MSTR DT ETFMSTZETF

13F holders, Q1 2026 (March 31)
16holders +1
8new positions
7sold out
$13.21avg. 13F price*

At the end of Q1 2026, 16 institutions reported holding T-Rex 2X Inverse MSTR DT ETF (MSTZ) in their 13F filings, up 1 from Q4 2025. 8 opened new positions and 7 sold out. The largest holders were Susquehanna International Group, LLP ($1.7M), XTX Topco Ltd ($1.5M) and Elequin Capital, LP ($937K).

Company
T-Rex 2X Inverse MSTR DT ETF
Filed as
ETF OPPORTUNITIES TRUST (Q1 2026)
CUSIP
26923N413
Latest filing quarter
Q2 2026

History

Number of 13F holders

0510152025 Q4 2024: 17Q4 2024Q1 2025: 21Q1 2025Q2 2025: 18Q2 2025Q3 2025: 21Q3 2025Q4 2025: 15Q4 2025Q1 2026: 16Q1 2026Q2 2026: 16Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions8$3.1M
Exits7$1.1M

All 13F filers, Q4 2025 → Q1 2026: 303,311 shares bought and 230,868 shares sold, net +72,443 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 16 holders

Susquehanna International Group, LLP 0.00% Reduce -34.5% 137,086 $1.7M
XTX Topco Ltd 0.03% New 117,319 $1.5M
Elequin Capital, LP 0.29% Add +11070.4% 41,107 $937K
StoneX Group Inc. 0.04% Add +35.4% 58,191 $726K
Flow Traders U.S. LLC 0.02% New 46,921 $586K
Two Sigma Securities, LLC 0.06% New 42,519 $531K
GTS Securities LLC 0.01% New 32,337 $404K
IMC-Chicago, LLC 0.00% Add +12.7% 25,626 $320K
Jump Financial, LLC 0.00% Reduce -38.1% 23,903 $298K
Jane Street Group, LLC 0.00% Reduce -79.1% 19,533 $244K
Optiver Holding B.V. 0.01% Reduce -22.4% 16,756 $209K
SBI Securities Co., Ltd. 0.00% Reduce -18.1% 13,648 $170K
Simplex Trading, LLC 0.00% New 3,011 $38K
Federation des caisses Desjardins du Quebec 0.00% New 1,700 $21K
Belvedere Trading LLC 0.00% New 639 $8K
IFP Advisors, Inc 0.00% New 12 $150

"% of holder's portfolio" is MSTZ's weight in each manager's 13F, not the share of T-Rex 2X Inverse MSTR DT ETF the manager owns.