SCHEDULE: Gabelli Group Reduces Bel Fuse Class A Stock Stake to 5.84%

A group of entities associated with Mario Gabelli has reported a decrease in their collective beneficial ownership of Bel Fuse Inc. Class A Common Stock to 5.84%.

Summary

• Reporting Persons, including Gabelli Funds, GAMCO Asset Management, and MJG Associates, collectively beneficially own 123,600 shares of Bel Fuse Inc. Class A Common Stock.
• This represents 5.84% of the 2,115,263 Class A Common Shares outstanding as of September 30, 2025, as reported by the Issuer in its most recently filed Form 10-Q.
• The filing is an Amendment No. 59 to a Schedule 13D, indicating a previous, higher ownership stake.
• The Reporting Persons are filing a Schedule 13D, rather than a Schedule 13G, to ensure compliance with reporting obligations due to regular communication with Bel Fuse Inc. management.
• Transactions during the past sixty days or since the last filing primarily involved sales of shares by Gabelli Funds, LLC and GAMCO Asset Management Inc. at various prices.

Sentiment

Score: 4

Explanation: The sentiment is slightly negative due to the significant reduction in beneficial ownership by a major institutional investor group, as evidenced by numerous sales transactions, which could be perceived as a strategic divestment or a change in investment outlook.

Negatives

• The reporting group has significantly reduced its holdings in Bel Fuse Inc. Class A Common Stock through multiple sales transactions between December 9, 2025, and January 27, 2026.

Future Outlook

The filing does not provide any forward-looking statements or guidance regarding Bel Fuse Inc.'s future performance or strategic direction.

Industry Context

This filing reflects a change in the ownership stake of a specific institutional investor group in Bel Fuse Inc., rather than broader industry trends. The reduction in holdings by the Gabelli-affiliated entities could be interpreted as a portfolio rebalancing or a change in investment thesis specific to Bel Fuse Inc. or the broader market.

Stakeholder Impact

• Shareholders: The reduction in a significant institutional stake could lead to increased market scrutiny or downward pressure on the stock price, depending on market interpretation of the divestment.

Key Dates

Recommendation

While the reduction in a significant institutional stake by the Gabelli group could be a negative signal, the filing itself does not provide fundamental reasons for the divestment or new information about Bel Fuse Inc.'s operations. Without further context on the reasons for the sales, a 'hold' recommendation is appropriate, advising investors to monitor future company performance and further disclosures before making a definitive buy or sell decision.

Keywords

Bel Fuse Inc., BEL FUSE, Class A Common Stock, Schedule 13D, Beneficial Ownership, GAMCO, Gabelli Funds, Mario Gabelli, Institutional Investor, Shareholder Activity, Equity Holdings