12 institutions reported holding $1.8M of BANK MONTREAL MEDIUM (GDXD) in SEC 13F filings for 2026-06-30. Largest institutional holders: TWO SIGMA SECURITIES, LLC ($673,156), StoneX Group Inc. ($371,157), GTS SECURITIES LLC ($343,729), Jump Financial, LLC ($252,129), SG Americas Securities, LLC ($124,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | TWO SIGMA SECURITIES, LLC | $673,156 | 13,272 | New |
| 2 | StoneX Group Inc. | $371,157 | 8,339 | New |
| 3 | GTS SECURITIES LLC | $343,729 | 6,777 | New |
| 4 | Jump Financial, LLC | $252,129 | 4,971 | New |
| 5 | SG Americas Securities, LLC | $124,000 | 2,450 | Added |
| 6 | Tower Research Capital LLC (TRC) | $2,536 | 50 | Added |
| 7 | RENAISSANCE TECHNOLOGIES LLC | $0 | 0 | Exited |
| 8 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 9 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $0 | 0 | Exited |
| 10 | UBS Group AG | $0 | 0 | Exited |
| 11 | Belvedere Trading LLC | $0 | 0 | Exited |
| 12 | OSAIC HOLDINGS, INC. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30