NASDAQ : CWST
$2.06 (2.29%)
39.82%
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| Filing Date | Reporting Person | Amount Beneficially Owned | % of Class |
|---|---|---|---|
| 2026-07-09 | Wasatch Advisors LP | 3.53M | 5.60% |
| 2026-04-29 | Vanguard Capital Management | 3.28M | 5.23% |
| 2026-04-29 | Vanguard Portfolio Management | 3.41M | 5.45% |
| 2026-04-22 | Wasatch Advisors LP | 2.58M | 4.10% |
| 2026-03-26 | The Vanguard Group | - | 0.00% |
| 2026-01-08 | BlackRock, Inc. | 8.93M | 14.30% |
| 2026-01-07 | The Vanguard Group | 6.57M | 10.51% |
| 2025-08-14 | WASATCH ADVISORS LP | 3.41M | 5.50% |
| 2025-01-10 | Conestoga Capital Advisors | 3.43M | 5.51% |
| 2024-02-12 | William Blair Investment Management, LLC | 2.9M | 5.10% |
| 2022-02-09 | The Vanguard Group - 23-1945930 | 4.63M | 9.18% |
| 2022-02-01 | (1) BlackRock, Inc. | 3.23M | 6.40% |
| 2022-01-26 | Wells Fargo & Company | 512.34K | 1.02% |
| 2022-01-10 | Conestoga Capital Advisors LLC | 3.68M | 7.30% |
| 2021-02-10 | 26-0385758 | 1.37M | 2.87% |
| 2021-02-10 | The Vanguard Group - 23-1945930 | 4.42M | 8.83% |
| 2021-02-10 | 13-3127734 | 1.37M | 2.87% |
| 2021-01-29 | (1) BlackRock, Inc. | 3.41M | 6.70% |
| 2021-01-06 | Conestoga Capital Advisors LLC | 2.86M | 6.04% |
| 2020-02-13 | 26-0385758 | 2.53M | 5.41% |
| 2020-02-13 | 13-3127734 | 2.53M | 5.41% |
| 2020-02-05 | (1) BlackRock, Inc. | 3.16M | 6.80% |
| 2020-02-04 | Wells Fargo & Company | 3.55M | 7.59% |
| 2020-02-04 | Wells Fargo Funds Management, LLC | 2.52M | 5.38% |
| 2020-02-04 | Wells Capital Management Incorporated | 3.2M | 6.85% |
| 2019-02-13 | 13-3127734 | 3.2M | 7.64% |
| 2019-02-12 | Standard Life Aberdeen plc | 1.72M | 4.10% |
| 2019-02-13 | 26-0385758 | 3.2M | 7.64% |
| 2019-02-04 | (1) BlackRock, Inc. | 2.83M | 6.70% |
| 2018-02-14 | Portolan Capital Management, LLC | 1.02M | 2.48% |
| 2018-02-14 | George McCabe | 1.02M | 2.48% |
| 2018-02-14 | 13-3127734 | 3.21M | 7.82% |
| 2018-02-14 | 26-0385758 | 3.21M | 7.82% |
| 2018-02-06 | Standard Life Aberdeen plc | 2.25M | 5.50% |
| 2018-01-29 | (1) BlackRock, Inc. | 2.77M | 6.80% |
| 2017-02-15 | RUTABAGA CAPITAL MANAGEMENT | 819.15K | 2.02% |
| 2017-02-13 | South LaSalle Managers, LLC | 42500.0 | 0.10% |
| 2017-02-13 | Iron Road Capital Partners L.L.C. | 1.33M | 3.30% |
| 2017-02-13 | RMB Capital Holdings, LLC | 1.79M | 4.40% |
| 2017-02-13 | RMB Capital Management, LLC | 1.79M | 4.40% |
| 2017-02-03 | Portolan Capital Management, LLC | 3.01M | 7.44% |
| 2017-02-03 | George McCabe | 3.01M | 7.44% |
| 2017-01-23 | (1) BlackRock, Inc. | 3.04M | 7.50% |
| 2016-07-25 | JCP Single-Asset Partnership, LP | 602.99K | 1.50% |
| 2016-07-25 | JCP Investment Partnership, LP | 1.4M | 3.48% |
| 2016-07-25 | JCP Investment Partners, LP | 2M | 4.98% |
| 2016-07-25 | JCP Investment Holdings, LLC | 2M | 4.98% |
| 2016-07-25 | JCP Investment Management, LLC | 2M | 4.98% |
| 2016-07-25 | James C. Pappas | 2M | 4.98% |
| 2016-02-16 | 12 West Capital Management LP | - | 0.00% |
| 2016-02-10 | Portolan Capital Management, LLC | 3.44M | 8.61% |
| 2016-02-10 | George McCabe | 3.44M | 8.61% |
| 2016-02-02 | JCP Single-Asset Partnership, LP | 825.15K | 2.10% |
| 2016-02-02 | James C. Pappas | 2.45M | 6.10% |
| 2016-02-02 | JCP Investment Holdings, LLC | 2.45M | 6.10% |
| 2016-02-02 | JCP Investment Management, LLC | 2.45M | 6.10% |
| 2016-02-02 | JCP Investment Partners, LP | 2.45M | 6.10% |
| 2016-02-02 | JCP Investment Partnership, LP | 1.62M | 4.10% |
| 2016-02-01 | 2. | 3.19M | 7.98% |
| 2016-02-01 | 2. | 615.05K | 1.54% |
| 2016-02-01 | 2. | 2.25M | 5.62% |
| 2016-02-01 | 2. | 3.19M | 7.98% |
| 2016-01-26 | (1) BlackRock, Inc. | 2.65M | 6.60% |
| 2015-11-12 | JCP Investment Partnership, LP | 1.57M | 3.90% |
| 2015-11-12 | JCP Single-Asset Partnership, LP | 775.4K | 1.90% |
| 2015-11-12 | JCP Investment Partners, LP | 2.35M | 5.90% |
| 2015-11-12 | JCP Investment Holdings, LLC | 2.35M | 5.90% |
| 2015-11-12 | JCP Investment Management, LLC | 2.35M | 5.90% |
| 2015-11-12 | James C. Pappas | 2.35M | 5.90% |
| 2015-11-06 | JCP Investment Partners, LP | 2.33M | 5.80% |
| 2015-11-06 | JCP Single-Asset Partnership, LP | 754.85K | 1.90% |
| 2015-11-06 | JCP Investment Partnership, LP | 1.57M | 3.90% |
| 2015-11-06 | JCP Investment Holdings, LLC | 2.33M | 5.80% |
| 2015-11-06 | JCP Investment Management, LLC | 2.33M | 5.80% |
| 2015-11-06 | James C. Pappas | 2.33M | 5.80% |
| 2015-11-06 | Brett W. Frazier | 40000.0 | 1.00% |
| 2015-09-10 | JCP Investment Holdings, LLC | 2.29M | 5.70% |
| 2015-09-10 | JCP Investment Partners, LP | 2.29M | 5.70% |
| 2015-09-10 | James C. Pappas | 2.29M | 5.70% |
| 2015-09-10 | JCP Investment Management, LLC | 2.29M | 5.70% |
| 2015-09-10 | JCP Single-Asset Partnership, LP | 714.85K | 1.80% |
| 2015-09-10 | Brett W. Frazier | 40000.0 | 1.00% |
| 2015-09-10 | JCP Investment Partnership, LP | 1.57M | 3.90% |
| 2015-05-29 | JCP Investment Partnership, LP | 1.48M | 3.70% |
| 2015-05-29 | JCP Investment Holdings, LLC | 2.11M | 5.30% |
| 2015-05-29 | JCP Investment Management, LLC | 2.11M | 5.30% |
| 2015-05-29 | James C. Pappas | 2.11M | 5.30% |
| 2015-05-29 | Brett W. Frazier | 40000.0 | 1.00% |
| 2015-05-29 | Joseph B. Swinbank | - | 0.00% |
| 2015-05-29 | JCP Single-Asset Partnership, LP | 626.47K | 1.60% |
| 2015-05-29 | JCP Investment Partners, LP | 2.11M | 5.30% |
| 2015-04-28 | JCP Single-Asset Partnership, LP | 496.67K | 1.30% |
| 2015-04-28 | JCP Investment Partnership, LP | 1.48M | 3.70% |
| 2015-04-28 | JCP Investment Management, LLC | 1.98M | 5.00% |
| 2015-04-28 | Brett W. Frazier | - | 0.00% |
| 2015-04-28 | JCP Investment Holdings, LLC | 1.98M | 5.00% |
| 2015-04-28 | Joseph B. Swinbank | - | 0.00% |
| 2015-04-28 | JCP Investment Partners, LP | 1.98M | 5.00% |
| 2015-04-28 | James C. Pappas | 1.98M | 5.00% |
| 2015-02-17 | 12 West Capital Management LP | 3.69M | 9.30% |
| 2015-02-06 | Steven K. Gendal | 1.58M | 4.00% |
| 2015-02-06 | Shelley F. Greenhaus | 1.58M | 4.00% |
| 2015-02-06 | Whippoorwill Associates, Inc. | 1.58M | 4.00% |
| 2015-01-26 | (1) BlackRock, Inc. | 2.92M | 7.40% |
| 2014-02-14 | Whippoorwill Associates, Inc. | 2.26M | 5.80% |
| 2014-02-14 | Shelley F. Greenhaus | 2.26M | 5.80% |
| 2014-02-14 | Steven K. Gendal | 2.26M | 5.80% |
| 2014-01-28 | (1) BlackRock, Inc. | 2.61M | 6.50% |
| 2013-09-09 | Steven K. Gendal | 2.12M | 5.40% |
| 2013-09-09 | Whippoorwill Associates, Inc. | 2.12M | 5.40% |
| 2013-09-09 | Shelley F. Greenhaus | 2.12M | 5.40% |
| 2013-02-14 | 12 West Capital Management LP | 3.44M | 9.10% |
| 2013-02-08 | (1) BlackRock, Inc. | 2.14M | 5.63% |
| 2012-03-09 | 12 West Capital Management LP | 1.52M | 5.90% |
| 2012-02-13 | (1) BlackRock, Inc. | 1.64M | 6.33% |
| 2012-01-12 | 58-2552872 | 1.92M | 7.32% |
| 2011-07-11 | Edward C. Johnson 3d | - | 0.00% |
| 2011-07-11 | FMR LLC | - | 0.00% |
| 2011-04-07 | 58-2552872 | 2.69M | 10.29% |
| 2011-02-15 | 58-2552872 | 2.43M | 9.30% |
| 2011-02-03 | (1) BlackRock, Inc. | 1.42M | 5.64% |
| 2010-06-10 | FMR LLC | 1.25M | 5.03% |
| 2010-06-10 | Edward C. Johnson 3d | 1.25M | 5.03% |
| 2010-01-25 | Bridger Management, LLC | 1.28M | 5.20% |
| 2010-01-25 | Roberto Mignone | 1.28M | 5.20% |
| 2010-01-20 | 58-2552872 | 2.88M | 11.20% |
| 2010-01-11 | FMR LLC | 2.71M | 10.93% |
| 2010-01-11 | Edward C. Johnson 3d | 2.71M | 10.93% |
| 2009-02-18 | 58-2552872 | 2.96M | 11.70% |
| 2009-02-17 | Edward C. Johnson 3d | 2.28M | 9.26% |
| 2009-02-17 | FMR LLC | 2.28M | 9.26% |
| 2009-02-17 | Winslow Management Company, LLC | 1.67M | 6.54% |
| 2009-02-13 | CRAMER ROSENTHAL MCGLYNN, LLC | - | 0.00% |
| 2008-02-14 | FMR LLC | 1.84M | 7.53% |
| 2008-02-14 | Edward C. Johnson 3d | 1.84M | 7.53% |
| 2008-02-14 | 13-3156718 | 901.73K | 3.70% |
| 2008-02-11 | 58-2552872 | 3M | 11.90% |
| 2008-02-11 | FMR LLC | 2.81M | 11.49% |
| 2008-02-11 | Edward C. Johnson 3d | 2.81M | 11.49% |
| 2007-07-11 | Wells Fargo Funds Management, LLC | 1.98M | 8.13% |
| 2007-07-11 | Wells Fargo & Company | 2.51M | 10.31% |
| 2007-07-11 | Wells Capital Management Incorporated | 2.51M | 10.31% |
| 2007-03-09 | (on behalf of its investment advisory subsidiaries - See Item 7) | 1.18M | 4.84% |
| 2007-02-14 | 58-2552872 | 3.06M | 12.20% |
| 2007-02-13 | (on behalf of its investment advisory subsidiaries - See Item 7) | 1.48M | 6.08% |
| 2007-02-05 | Wells Fargo & Company | 1.82M | 7.51% |
| 2007-02-05 | Wells Fargo Funds Management, LLC | 1.46M | 6.01% |
| 2007-02-05 | Wells Capital Management Incorporated | 1.82M | 7.50% |
| 2006-02-15 | 52-1575325 | 1.78M | 7.40% |
| 2006-02-14 | 13-3156718 | 1.73M | 7.22% |
| 2006-02-15 | 52-0556948 | 2.74M | 11.40% |
| 2005-02-11 | 13-3156718 | 2M | 8.42% |
| 2005-02-08 | 52-1575325 | 1.65M | 6.90% |
| 2005-02-08 | 52-0556948 | 2.65M | 11.10% |
| 2004-06-10 | 52-1575325 | 1.49M | 6.40% |
| 2004-06-10 | 52-0556948 | 2.35M | 10.10% |
| 2004-02-06 | (. | 616.72K | 2.73% |
| 2004-02-04 | 52-0556948 | 2.28M | 9.80% |
| 2004-02-04 | 52-1575325 | 1.49M | 6.40% |
| 2003-02-07 | (. | 1.19M | 5.28% |
| 2003-02-04 | 52-1575325 | 1.48M | 6.50% |
| 2003-02-04 | 52-0556948 | 2.18M | 9.50% |
| 2003-01-24 | 13-3156718 | 1.41M | 6.23% |
| 2002-02-14 | Douglas R. Casella | 557.05K | 5.90% |
| 2002-02-11 | 13-3156718 | 2.63M | 11.70% |
| 2001-08-10 | 030338873 | 467.37K | 10.00% |
| 2001-02-22 | 13-3156718 | 1.09M | 6.50% |
| 2001-02-13 | John W. Casella | 551.65K | 5.80% |
| 2001-02-13 | Douglas R. Casella | 557.05K | 5.90% |
| 2000-02-04 | 52-0556948 | 1.27M | 8.40% |
| 2000-02-04 | 52-0791372 | 1M | 6.60% |
| 2000-01-19 | Franklin Resources, Inc. | 1M | 6.70% |
| 1999-10-07 | 13-3043476 | 285.46K | 1.86% |
| 1999-10-07 | WILLIAM C. MORRIS | 285.46K | 1.86% |
| 1999-04-12 | 13-3043476 | 1.33M | 9.38% |
| 1999-04-12 | WILLIAM C. MORRIS | 1.33M | 9.38% |
| 1999-02-10 | 13-3043476 | 1.6M | 11.60% |
| 1999-02-10 | WILLIAM C. MORRIS | 1.6M | 11.60% |
| 1999-02-09 | WILLIAM C. MORRIS | 1.36M | 9.87% |
| 1999-02-09 | 13-3043476 | 1.36M | 9.87% |
| 1998-08-17 | 13-3043476 | 1.45M | 11.93% |
| 1998-08-17 | WILLIAM C. MORRIS | 1.45M | 11.93% |
| 1998-02-12 | WILLIAM C. MORRIS | 497K | 5.08% |
| 1998-02-12 | 13-3043476 | 497K | 5.08% |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2025-12-31 | $97.94 | 63.46M | $6.22B | $123.77M | $1.24B | $7.33B |
| 2024-12-31 | $105.81 | 59.58M | $6.3B | $383.3M | $1.21B | $7.13B |
| 2023-12-31 | $85.46 | 55.17M | $4.72B | $220.91M | $1.12B | $5.61B |
| 2022-12-31 | $79.31 | 51.62M | $4.09B | $71.15M | $665.33M | $4.69B |
| 2021-12-31 | $85.42 | 51.31M | $4.38B | $33.81M | $616.09M | $4.97B |
| 2020-12-31 | $61.95 | 48.79M | $3.02B | $154.34M | $617.72M | $3.49B |
| 2019-12-31 | $46.03 | 47.23M | $2.17B | $3.47M | $593.39M | $2.76B |
| 2018-12-31 | $28.49 | 42.69M | $1.22B | $4.01M | $544.3M | $1.76B |
| 2017-12-31 | $23.02 | 41.85M | $963.29M | $2M | $482.5M | $1.44B |
| 2016-12-31 | $12.41 | 40.29M | $499.98M | $2.54M | $508.65M | $1.01B |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2026-06-30 | $96.97 | 63.61M | $6.17B | $25.54M | $94.29M | $6.24B |
| 2026-03-31 | $79.34 | 63.54M | $5.04B | $126.9M | $1.24B | $6.15B |
| 2025-12-31 | $97.94 | 63.49M | $6.22B | $123.77M | $1.24B | $7.33B |
| 2025-09-30 | $94.88 | 63.49M | $6.02B | $192.65M | $1.23B | $7.06B |
| 2025-06-30 | $115.38 | 63.46M | $7.32B | $217.77M | $1.23B | $8.34B |
| 2025-03-31 | $111.51 | 63.39M | $7.07B | $267.71M | $1.22B | $8.02B |
| 2024-12-31 | $105.81 | 63.32M | $6.7B | $383.3M | $1.21B | $7.52B |
| 2024-09-30 | $99.49 | 58.42M | $5.81B | $518.98M | $1.16B | $6.46B |
| 2024-06-30 | $96.59 | 58.11M | $5.61B | $208.5M | $1.12B | $6.52B |
| 2024-03-31 | $97.25 | 58.03M | $5.64B | $189.46M | $1.12B | $6.57B |
| 2023-12-31 | $85.46 | 57.98M | $4.96B | $220.91M | $1.12B | $5.85B |
| 2023-09-30 | $76.30 | 57.96M | $4.42B | $219.09M | $1.12B | $5.33B |