Casella Waste Systems Inc (CWST) Institutional Ownership

Ownership Summary

A total of 20 institutions have reported a stake in Casella Waste Systems Inc (NASDAQ:CWST) as of December 2025, according to recent 13F filings with the SEC.

• Institutional ownership in Casella Waste Systems edged down to 0.2% in December 2025, compared to 106.4% in September 2025.
• In percentage terms, this reflects as a holdings change of 29.02% quarter on quarter, and a decrease of 94.12% year over year.
• A review of institutional activity for Casella Waste Systems shows 14 of 20 filers increasing their positions, while 3 reduced their stake, and 3 remained unchanged.
• Collectively, institutional investors increased their stake in Casella Waste Systems to 96.44K shares as of December 2025, a change that is up by 21.69K shares quarter on quarter and down 65.44Mn shares year over year.
• TOMPKINS FINANCIAL CORP continues to be the largest institutional holder of Casella Waste Systems as of December 31, 2025, with a position of 26.68K shares, representing 0.04% of the company's outstanding stock.
• Among the most significant buyers of Casella Waste Systems during December 2025 were SG Americas Securities, LLC (12.33K), Assenagon Asset Management S.A. (4.18K), Dakota Wealth Management (3.07K), GAMMA Investing LLC (1.09K), PARK AVENUE SECURITIES LLC (993).
• Leading sellers of Casella Waste Systems stock in December 2025 included Avior Wealth Management, LLC (667), ARGENT CAPITAL MANAGEMENT LLC (387), Everhart Financial Group, Inc. (283).
• The top 10 institutional holders of Casella Waste Systems for the quarter ending December 2025 included TOMPKINS FINANCIAL CORP (26.68K), SG Americas Securities, LLC (24.27K), PARK AVENUE SECURITIES LLC (9.05K), ARGENT CAPITAL MANAGEMENT LLC (6.33K), Assenagon Asset Management S.A. (4.18K), Avior Wealth Management, LLC (4.00K), Hilltop National Bank (3.36K), First Bank & Trust (3.17K), Dakota Wealth Management (3.07K), Curated Wealth Partners LLC (2.89K).