T-Rex 2X Inverse MSTR DT ETFMSTZETF
13F holders, Q1 2025 (March 31)21holders +4
8new positions
4sold out
1famous investor
$14.03avg. 13F price*
At the end of Q1 2025, 21 institutions reported holding T-Rex 2X Inverse MSTR DT ETF (MSTZ) in their 13F filings, up 4 from Q4 2024. 8 opened new positions and 4 sold out. The largest holders were UBS Group AG ($6.1M), Jane Street Group, LLC ($4.8M) and Susquehanna International Group, LLP ($4.7M). 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 (Q1 2025)
- CUSIP
- 26923N413
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 8 | $11.4M |
| Exits | 4 | $2.7M |
All 13F filers, Q4 2024 → Q1 2025: 1,351,386 shares bought and 121,011 shares sold, net +1,230,375 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 21 holders
| UBS Group AG | 0.00% | New | 433,250 | $6.1M |
| Jane Street Group, LLC | 0.01% | Add +35.5% | 342,583 | $4.8M |
| Susquehanna International Group, LLP | 0.01% | Add +78.3% | 337,050 | $4.7M |
| Citadel Advisors | 0.00% | New | 312,494 | $4.4M |
| Wellington Management Group LLP | 0.00% | Add +89.3% | 226,500 | $3.2M |
| Optiver Holding B.V. | 0.06% | Add +203.8% | 113,350 | $1.6M |
| Jump Financial, LLC | 0.02% | Add +159.1% | 98,774 | $1.4M |
| GTS Securities LLC | 0.06% | Reduce -20.1% | 93,931 | $1.3M |
| Hunting Hill Global Capital, LLC | 0.86% | Add +432.9% | 48,674 | $683K |
| U S Global Investors Inc. | 0.07% | New | 35,600 | $499K |
| Two Sigma Securities, LLC | 0.03% | New | 15,977 | $224K |
| Belvedere Trading LLC | 0.02% | Add +281.2% | 15,137 | $212K |
| XTX Topco Ltd | 0.01% | New | 10,736 | $151K |
| Morgan Stanley | 0.00% | Add +1917.0% | 5,930 | $83K |
| Headlands Technologies LLC | 0.01% | Add +506.4% | 4,008 | $56K |
| Federation des caisses Desjardins du Quebec | 0.00% | New | 800 | $11K |
| SBI Securities Co., Ltd. | 0.00% | Add +1593.2% | 745 | $10K |
| Simplex Trading, LLC | 0.00% | New | 693 | $9K |
| Elequin Capital, LP | 0.00% | No change | 368 | $5K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -93.6% | 100 | $1K |
| Osaic Holdings, Inc. | 0.00% | New | 76 | $1K |
"% 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.