17 institutions reported holding $7.1M of BANK MONTREAL MEDIUM (XXXX) in SEC 13F filings for 2026-03-31. Largest institutional holders: Millington Financial Advisors, LLC ($3.0M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($1.7M), JANE STREET GROUP, LLC ($1.0M), CITADEL ADVISORS LLC ($467,983), Tower Research Capital LLC (TRC) ($298,033). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Millington Financial Advisors, LLC | $3.0M | 100,201 | Added |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.7M | 81,899 | Added |
| 3 | JANE STREET GROUP, LLC | $1.0M | 48,558 | New |
| 4 | CITADEL ADVISORS LLC | $467,983 | 22,456 | Added |
| 5 | Tower Research Capital LLC (TRC) | $298,033 | 14,301 | Added |
| 6 | IMC-Chicago, LLC | $271,128 | 13,010 | New |
| 7 | TWO SIGMA SECURITIES, LLC | $239,952 | 11,514 | New |
| 8 | SIGNATUREFD, LLC | $52,100 | 2,500 | New |
| 9 | SUMMIT SECURITIES GROUP LLC | $41,680 | 2,000 | New |
| 10 | UBS Group AG | $24,987 | 1,199 | Added |
| 11 | FIFTH THIRD BANCORP | $18,714 | 898 | Added |
| 12 | HOLLENCREST CAPITAL MANAGEMENT | $8,878 | 426 | Added |
| 13 | TOTH FINANCIAL ADVISORY CORP | $3,335 | 160 | Added |
| 14 | Royal Bank of Canada | $0 | 0 | Exited |
| 15 | OSAIC HOLDINGS, INC. | $0 | 0 | Exited |
| 16 | MAINSTAY CAPITAL MANAGEMENT LLC /ADV | $0 | 0 | Exited |
| 17 | GOLDMAN SACHS GROUP INC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31