28 institutions reported holding $23.4M of BANK MONTREAL MEDIUM (GDXU) in SEC 13F filings for 2026-06-30. Largest institutional holders: CITIGROUP INC ($10.5M), RENAISSANCE TECHNOLOGIES LLC ($8.1M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($1.6M), Genesis Financial Group, LLC ($895,591), Headlands Technologies LLC ($699,726). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30