SCHEDULE: Bank of Montreal Discloses 5.43% Stake in Aris Mining

Bank of Montreal and its affiliates have reported a beneficial ownership of 5.43% in Aris Mining Corp, totaling 10,989,729 common shares.

Summary

• Bank of Montreal, along with its subsidiaries BANK OF MONTREAL HOLDING INC., BMO NESBITT BURNS INC. WEALTH MANAGEMENT, BMO ASSET MANAGEMENT INC., and BMO NESBITT BURNS INC., collectively hold a significant stake in Aris Mining Corp.
• The aggregate amount beneficially owned by Bank of Montreal is 10,989,729 common shares.
• This ownership represents 5.43% of the class of Aris Mining Corp's common shares.
• The filing is made under Rule 13d-1(b), indicating that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.
• The beneficial ownership includes both sole and shared voting and dispositive powers across the various BMO entities.

Sentiment

Score: 7

Explanation: The disclosure of a significant institutional stake by a major bank like BMO is generally viewed positively, indicating institutional confidence in the issuer. However, as a passive filing, it provides no direct operational or financial performance insights.

Positives

• A major financial institution like Bank of Montreal holding a significant stake (over 5%) can signal institutional confidence in Aris Mining Corp.
• The filing indicates that the shares are held in the ordinary course of business, suggesting a long-term investment or client holdings rather than an activist position.

Negatives

• The filing does not provide any specific operational or financial updates from Aris Mining Corp itself, limiting direct insights into the company's performance or strategic direction.
• The 'Date of Event Which Requires Filing of this Statement' is listed as 09/30/2025, which is a future date relative to the filing date, an unusual occurrence for a beneficial ownership report.

Future Outlook

The filing does not contain any forward-looking statements or guidance regarding Aris Mining Corp's future performance or strategic outlook. It solely reports beneficial ownership by Bank of Montreal and its affiliates.

Industry Context

This Schedule 13G filing indicates that a significant financial institution, Bank of Montreal, has a passive investment in Aris Mining Corp. Such disclosures are common for large institutional investors who cross the 5% beneficial ownership threshold in publicly traded companies. It reflects a standard reporting requirement for institutional holdings rather than a specific strategic move by Aris Mining Corp or an active investment strategy by BMO to influence the company's operations.

Stakeholder Impact

• Shareholders: The disclosure of a significant institutional holder may provide a degree of confidence or stability to the shareholder base, as it indicates a large, passive investment by a reputable financial institution.

Key Dates

Keywords

Aris Mining Corp, Bank of Montreal, BMO, Beneficial Ownership, Schedule 13G, Institutional Investment, Common Shares, Mining, Financial Disclosure