Casella Waste Systems Inc (CWST)
Who owns Casella Waste Systems Inc (CWST)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.4% of the shares are freely tradable; institutional investors hold 123.2%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 14.22 | 9,047,272 | -0.1 | 03/31/2026 |
| Wasatch Advisors LP | 5.55 | 3,531,594 | +36.8 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.27 | 3,353,241 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.40 | 2,798,927 | +0.0 | 03/31/2026 |
| State Street Corp | 3.76 | 2,389,197 | +3.6 | 03/31/2026 |
| Conestoga Capital Advisors, LLC | 3.67 | 2,336,156 | -16.7 | 06/30/2026 |
| Capital Research Global Investors | 3.66 | 2,330,165 | -6.3 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.00 | 3,818,001 | +0.0 | 07/28/2026 |
| American Funds SMALLCAP World A | 4.77 | 3,036,412 | -13.5 | 06/30/2026 |
| Vanguard Morn Total Stk Mkt Idx Investor | 3.13 | 1,989,028 | -0.4 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.