T-Rex 2X Inverse MSTR DT ETFMSTZETF

13F holders, Q2 2025 (June 30)
18holders −3
5new positions
8sold out
1famous investor
$4.18avg. 13F price*

At the end of Q2 2025, 18 institutions reported holding T-Rex 2X Inverse MSTR DT ETF (MSTZ) in their 13F filings, down 3 from Q1 2025. 5 opened new positions and 8 sold out. The largest holders were Citadel Advisors ($784K), Simplex Trading, LLC ($439K) and Avior Wealth Management, LLC ($280K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
T-Rex 2X Inverse MSTR DT ETF
Filed as
ETF OPPORTUNITIES TRUST (Q2 2025)
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 Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions5$871K
Exits8$20.3M

All 13F filers, Q1 2025 → Q2 2025: 403,781 shares bought and 1,794,206 shares sold, net −1,390,425 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 18 holders

Citadel Advisors 0.00% Reduce -40.0% 187,522 $784K
Simplex Trading, LLC 0.01% Add +15074.3% 105,158 $439K
Avior Wealth Management, LLC 0.01% New 67,000 $280K
Two Sigma Securities, LLC 0.03% Add +282.0% 61,028 $255K
HRT Financial LP 0.00% New 56,650 $236K
StoneX Group Inc. 0.01% New 50,832 $212K
Hunting Hill Global Capital, LLC 0.11% No change 48,674 $203K
Morgan Stanley 0.00% Add +392.4% 29,198 $122K
Belvedere Trading LLC 0.01% Add +65.5% 25,051 $105K
Geneos Wealth Management Inc. 0.00% New 17,806 $74K
Group One Trading LLC 0.00% New 16,199 $68K
Optiver Holding B.V. 0.00% Reduce -86.5% 15,323 $64K
Jump Financial, LLC 0.00% Reduce -89.2% 10,701 $45K
Tower Research Capital LLC (TRC) 0.00% Add +9895.0% 9,995 $42K
SBI Securities Co., Ltd. 0.00% Add +268.6% 2,746 $11K
Federation des caisses Desjardins du Quebec 0.00% Add +87.5% 1,500 $6K
U S Global Investors Inc. 0.00% Reduce -98.3% 600 $3K
Elequin Capital, LP 0.00% No change 368 $2K

"% 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.