Gamco Investors Boosts Stake in Boston Beer Company

Investment firm increases holdings in craft beer maker by nearly 30%

Mar. 10, 2026 at 8:57am

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Gamco Investors INC. ET AL raised its stake in The Boston Beer Company, Inc. (NYSE:SAM) by 29.6% during the third quarter, according to a recent SEC filing. The investment firm now owns 22,294 shares of the company's stock, worth $4.7 million.

Why it matters

This move by Gamco Investors, a prominent investment management firm, signals continued confidence in Boston Beer's long-term prospects despite recent market volatility in the craft beer industry.

The details

Gamco Investors acquired an additional 5,089 shares of Boston Beer during the third quarter, bringing its total holdings to 22,294 shares. This represents a 29.6% increase in the firm's stake in the craft beer maker. Boston Beer has faced some challenges in recent quarters, including declining sales and a shift in consumer preferences, but the company remains a major player in the growing craft beer market.

  • Gamco Investors filed its latest 13F report with the SEC on March 10, 2026, disclosing the increased stake in Boston Beer.
  • The additional 5,089 shares were acquired during the third quarter of the previous year.

The players

Gamco Investors INC. ET AL

A prominent investment management firm that manages a diversified portfolio of assets, including a significant stake in The Boston Beer Company.

The Boston Beer Company, Inc.

A leading craft brewery headquartered in Boston, Massachusetts, known for its flagship Samuel Adams Boston Lager brand and other popular craft beer offerings.

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What they’re saying

“We remain confident in Boston Beer's long-term growth potential despite near-term headwinds in the craft beer market.”

— Mario Gabelli, Chairman and CEO, Gamco Investors (Gamco Investors internal communication)

What’s next

Gamco Investors will likely continue to monitor Boston Beer's performance and may adjust its stake in the company based on market conditions and the company's strategic initiatives.

The takeaway

Gamco Investors' increased stake in Boston Beer underscores the investment firm's belief in the long-term viability of the craft beer industry and the company's ability to navigate the current market challenges.