3 institutions reported holding $14.4M of M & T BK CORP (MTBPRL) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($12.9M), SIMPLEX TRADING, LLC ($1.1M), GROUP ONE TRADING LLC ($452,219). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $12.9M | 54,100 | Added |
| 2 | SIMPLEX TRADING, LLC | $1.1M | 4,700 | Trimmed |
| 3 | GROUP ONE TRADING LLC | $452,219 | 1,900 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30