CWST CASELLA WASTE SYSTEMS INC: institutional ownership and insider trading
440 funds reported holding $8.11B of CASELLA WASTE SYSTEMS INC in their latest 13F filings; in Q2 2026 funds net bought $256M, with 59 new positions and 53 funds selling out; over the last 12 months insiders bought $0 and sold $5.64M on the open market.
Famous investors holding CWST
- Ken Griffin (Citadel Advisors): $45.8M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $1.46M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $294K, 0.0% of the portfolio
Largest institutional holders of CWST
- BlackRock, Inc. (BLK) — $911M
- VANGUARD GROUP INC — $644M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $334M
- VANGUARD CAPITAL MANAGEMENT LLC — $274M
- WASATCH ADVISORS LP — $246M
- STATE STREET CORP (STT, STT-PG) — $244M
- Conestoga Capital Advisors, LLC — $227M
- T. Rowe Price Investment Management, Inc. — $202M
- Capital International Investors — $199M
- Capital Research Global Investors — $197M
Recent CWST insider trades
- Sep 3, 2026: Burke Michael K sold 1,100 shares ($105K)
- Aug 26, 2026: Burke Michael K sold 1,100 shares ($102K)
- Aug 14, 2026: Casella Douglas R sold 16,500 shares ($1.50M)
- May 26, 2026: Burke Michael K sold 2,305 shares ($202K)
Members of Congress trading CWST
- May 12, 2025: Jefferson Shreve sold $50.0K–$100K
5%+ owners
- Vanguard Portfolio Management: 5.5% (Schedule 13G, filed Apr 29, 2026)
- Vanguard Capital Management: 5.2% (Schedule 13G, filed Apr 29, 2026)