SCHEDULE: Burgundy Asset Management Discloses 8.02% Stake in Cable One

Burgundy Asset Management Ltd. has disclosed an 8.02% beneficial ownership stake in Cable One, Inc., with its holdings now aggregated under Bank of Montreal.

Summary

• Burgundy Asset Management Ltd. reported beneficial ownership of 451,960 common shares of Cable One, Inc.
• This represents 8.02% of Cable One, Inc.'s common stock.
• Burgundy Asset Management Ltd. holds sole voting power over 325,051 shares and sole dispositive power over 451,960 shares.
• The filing is an Amendment No. 1 to a Schedule 13G, with the event date requiring filing stated as December 31, 2025.
• As of November 1, 2025, Burgundy Asset Management Ltd. became a wholly owned subsidiary of Bank of Montreal, and its beneficial ownership is now aggregated in Bank of Montreal's Schedule 13G filings.

Sentiment

Score: 6

Explanation: StockSavvy.ai views this as a neutral to slightly positive disclosure. While a 13G is purely informational, a significant institutional stake (8.02%) by a reputable investment manager can be seen as a vote of confidence in Cable One, Inc., though the change in ownership structure to Bank of Montreal is the primary new information.

Future Outlook

NA

Industry Context

StockSavvy.ai notes that institutional ownership disclosures like this Schedule 13G provide transparency into significant equity positions held by large investment firms. For Cable One, Inc., a major cable and internet service provider, a substantial stake by an investment adviser like Burgundy Asset Management (now part of Bank of Montreal) indicates institutional confidence or strategic positioning within the telecommunications sector.

Corporate Governance

Stakeholder Impact

• Shareholders of Cable One, Inc. gain transparency into a significant institutional holder's position.
• Bank of Montreal's stakeholders will see the aggregation of Burgundy Asset Management's holdings under their umbrella, reflecting their expanded asset management portfolio.

Key Dates

Recommendation

The filing is a routine disclosure of beneficial ownership and a change in the reporting entity's corporate structure, not an indicator of fundamental performance or a strategic shift by Cable One, Inc. While a significant institutional stake can be seen as a positive, it does not provide new information warranting a change in investment thesis for Cable One. Therefore, a 'hold' recommendation is appropriate as investors should await further operational or financial updates from Cable One.

Keywords

Cable One, Burgundy Asset Management, Bank of Montreal, Schedule 13G, Beneficial Ownership, Investment Adviser, Common Stock, Stake Disclosure, Equity Holding