Aberdeen Group Boosts Stake in Casella Waste Systems

Investment firm increases holdings in waste management company by 79.2%

Apr. 7, 2026 at 7:04am

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Aberdeen Group plc, a major investment firm, has significantly increased its stake in Casella Waste Systems, Inc. (NASDAQ:CWST) by 79.2% during the fourth quarter, according to a recent 13F filing with the Securities and Exchange Commission. The firm now owns 186,992 shares of the industrial products company, worth approximately $18.3 million.

Why it matters

Casella Waste Systems is a leading regional waste management provider in the northeastern United States. Aberdeen Group's increased investment reflects confidence in the company's growth prospects and the overall strength of the waste management industry.

The details

According to the filing, Aberdeen Group purchased an additional 82,616 shares of Casella Waste Systems during the fourth quarter, bringing its total holdings to 186,992 shares. This represents a 79.2% increase in the firm's position in the company. Casella Waste Systems is an industrial products company that provides a range of waste management services, including residential, commercial, and industrial waste collection, transfer station operations, landfill disposal, recycling processing, and organics management.

  • Aberdeen Group filed the 13F report disclosing the increased stake in Casella Waste Systems on April 7, 2026.
  • The firm's increased holdings were made during the fourth quarter of 2025.

The players

Aberdeen Group plc

A major investment firm that has significantly increased its stake in Casella Waste Systems, Inc.

Casella Waste Systems, Inc.

A regional waste management company headquartered in Rutland, Vermont that provides a range of waste management services in the northeastern United States.

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The takeaway

The significant increase in Aberdeen Group's stake in Casella Waste Systems underscores the investment firm's belief in the waste management company's ability to continue growing and delivering value to shareholders. This move highlights the ongoing appeal of the waste management industry, particularly for regional players with a strong market presence.