| Abbreviation | Definition |
|---|---|
| MSI | Morneau Sobeco Income Fund |
| MSN | Morguard Sunstone Real Estate Income Fund |
| MSP | Canadian Shield Fund (The) |
| MSP | The Canadian Shield Fund |
| MSV | Minco Silver Corporation |
| MT | Miranda Technologies Inc. |
| MT | Miranda Technologies Incorporated (de-listed) |
| MT | Miranda Technologies Incorporated (de-listed) |
| MTA | Matrix Asset Management, Inc. |
| MTL | Mullen Group Ltd. |
| MTM | Mitec Telecom Inc. |
| MTM | Mitec Telecom, Incorporated (de-listed) |
| MTM | Mitec Telecom, Incorporated (de-listed) |
| MTY | MTY Food Group Inc. |
| MTY | MTY Food Group Incorporated |
| MUH | MCM Split Share Corp. |
| MUH | MCM Split Share Corporation |
| MUN | Mundoro Capital Inc. |
| MUN | Mundoro Capital Incorporated (de-listed) |
| MUN | Mundoro Capital Incorporated (de-listed) |