| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 14% | $874,479,914 | 8,928,731 | BlackRock, Inc. | 31 Dec 2025 | |||
| VANGUARD GROUP INC | 11% | $643,945,020 | 6,574,893 | The Vanguard Group | 31 Dec 2025 | |||
| Conestoga Capital Advisors, LLC | 5.5% | $396,150,082 | 3,432,843 | Conestoga Capital Advisors | 31 Dec 2024 | |||
| WASATCH ADVISORS LP | 5.5% | $379,086,865 | 3,412,123 | WASATCH ADVISORS LP | 30 Jun 2025 |
As of 31 Dec 2025, 386 institutional investors reported holding 77,457,532 shares of CASELLA WASTE SYSTEMS INC - Class A Stock (CWST). This represents 124% of the company’s total 62,438,678 outstanding shares.
The largest institutional shareholders of CASELLA WASTE SYSTEMS INC - Class A Stock (CWST) together control 84% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | 9,057,647 | +98% | 0.02% | $887,105,957 |
| VANGUARD GROUP INC | 11% | 6,574,893 | +9.7% | 0.01% | $643,945,020 |
| WASATCH ADVISORS LP | 6% | 3,765,442 | +1.5% | 2.2% | $368,787,389 |
| Conestoga Capital Advisors, LLC | 4.4% | 2,777,327 | -3.4% | 4.6% | $272,011,406 |
| Invesco Ltd. | 4.3% | 2,703,855 | +12% | 0.04% | $264,815,560 |
| Capital Research Global Investors | 4% | 2,488,034 | +24% | 0.04% | $243,678,050 |
| STATE STREET CORP | 3.7% | 2,306,780 | +61% | 0.01% | $225,926,033 |
| Capital International Investors | 3.2% | 1,998,409 | +2.1% | 0.03% | $195,724,177 |
| T. Rowe Price Investment Management, Inc. | 2.7% | 1,707,723 | +0.03% | 0.11% | $167,255,000 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 2.7% | 1,665,226 | +1.1% | 0.68% | $163,092,234 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5% | 1,538,803 | +0.36% | 0.01% | $150,732,667 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 2.4% | 1,468,206 | -19% | 0.4% | $143,796,096 |
| JPMORGAN CHASE & CO | 2.3% | 1,462,770 | -12% | 0.01% | $143,263,695 |
| MORGAN STANLEY | 2.2% | 1,362,853 | +62% | 0.01% | $133,478,072 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 2.2% | 1,348,555 | +8.6% | 0.91% | $132,077,918 |
| WELLINGTON MANAGEMENT GROUP LLP | 2.1% | 1,307,249 | -6% | 0.02% | $128,031,967 |
| GENEVA CAPITAL MANAGEMENT LLC | 2% | 1,265,324 | +0.71% | 2.3% | $123,925,878 |
| EARNEST PARTNERS LLC | 1.9% | 1,162,557 | -2.7% | 0.49% | $113,860,833 |
| NEUBERGER BERMAN GROUP LLC | 1.7% | 1,045,409 | +12% | 0.08% | $102,387,358 |
| DIMENSIONAL FUND ADVISORS LP | 1.7% | 1,035,661 | +8.9% | 0.02% | $101,444,211 |
| Pictet Asset Management Holding SA | 1.6% | 990,651 | +10866% | 0.09% | $97,039,592 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.5% | 943,149 | 0% | 0.14% | $92,372,000 |
| GOLDMAN SACHS GROUP INC | 1.4% | 899,385 | +1.4% | 0.01% | $88,085,767 |
| UBS Group AG | 1.3% | 841,897 | +653% | 0.02% | $82,455,393 |
| AMERIPRISE FINANCIAL INC | 1.2% | 764,056 | -28% | 0.02% | $74,838,990 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 77,457,532 | $7,587,659,576 | +$968,412,710 | $97.94 | 386 |
| 2025 Q3 | 66,377,932 | $6,294,041,340 | +$73,532,668 | $94.88 | 386 |
| 2025 Q2 | 65,438,323 | $7,549,760,585 | +$65,833,549 | $115.38 | 387 |
| 2025 Q1 | 64,738,257 | $7,219,647,011 | +$4,577,568 | $111.51 | 367 |
| 2024 Q4 | 65,127,232 | $6,889,761,758 | +$120,091,578 | $105.81 | 342 |
| 2024 Q3 | 64,015,497 | $6,371,276,477 | +$403,630,244 | $99.49 | 342 |
| 2024 Q2 | 59,431,643 | $5,897,740,159 | +$129,539,608 | $99.22 | 310 |
| 2024 Q1 | 58,315,369 | $5,765,883,359 | +$101,656,355 | $98.87 | 308 |
| 2023 Q4 | 57,556,798 | $4,920,281,685 | +$11,630,175 | $85.46 | 307 |
| 2023 Q3 | 57,443,474 | $4,383,109,169 | +$114,397,223 | $76.30 | 296 |
| 2023 Q2 | 55,773,711 | $5,043,757,708 | +$464,661,179 | $90.45 | 315 |
| 2023 Q1 | 50,655,221 | $4,186,998,515 | +$61,650,233 | $82.66 | 262 |
| 2022 Q4 | 50,385,224 | $3,996,098,320 | -$34,288,702 | $79.31 | 269 |
| 2022 Q3 | 50,812,708 | $3,881,940,157 | +$20,432,104 | $76.39 | 273 |
| 2022 Q2 | 50,187,812 | $3,647,952,594 | +$52,994,788 | $72.68 | 258 |
| 2022 Q1 | 49,583,078 | $4,345,553,496 | +$85,127,456 | $87.65 | 265 |
| 2021 Q4 | 48,690,713 | $4,154,272,154 | -$326,784,571 | $85.42 | 274 |
| 2021 Q3 | 50,052,773 | $3,802,867,611 | +$65,807,840 | $75.94 | 230 |
| 2021 Q2 | 49,240,434 | $3,124,710,856 | +$33,972,996 | $63.43 | 229 |
| 2021 Q1 | 48,700,728 | $3,097,445,679 | +$16,882,308 | $63.57 | 214 |
| 2020 Q4 | 48,606,061 | $3,010,613,615 | +$170,675,439 | $61.95 | 217 |
| 2020 Q3 | 45,834,847 | $2,560,435,065 | +$8,978,057 | $55.85 | 198 |
| 2020 Q2 | 45,720,261 | $2,382,751,697 | +$20,650,311 | $52.12 | 184 |
| 2020 Q1 | 45,514,290 | $1,778,109,952 | +$40,471,376 | $39.06 | 177 |
| 2019 Q4 | 44,202,861 | $2,034,920,566 | +$15,043,541 | $46.03 | 174 |
| 2019 Q3 | 44,047,616 | $1,891,343,852 | +$90,989,395 | $42.94 | 180 |
| 2019 Q2 | 42,331,537 | $1,677,585,730 | +$51,042,567 | $39.63 | 173 |
| 2019 Q1 | 42,062,417 | $1,495,619,201 | +$195,288,205 | $35.56 | 169 |
| 2018 Q4 | 36,699,498 | $1,042,048,756 | -$504,622 | $28.49 | 163 |
| 2018 Q3 | 36,743,937 | $1,140,503,019 | +$13,343,132 | $31.06 | 156 |
| 2018 Q2 | 36,178,236 | $925,517,871 | +$23,065,070 | $25.61 | 150 |
| 2018 Q1 | 35,465,562 | $829,180,407 | +$26,838,905 | $23.38 | 147 |
| 2017 Q4 | 34,338,197 | $790,314,356 | +$33,512,818 | $23.02 | 142 |
| 2017 Q3 | 33,339,498 | $626,728,588 | +$17,929,859 | $18.80 | 133 |
| 2017 Q2 | 32,529,465 | $533,808,685 | +$17,941,019 | $16.41 | 142 |
| 2017 Q1 | 31,507,257 | $444,561,554 | +$55,126,421 | $14.11 | 137 |
| 2016 Q4 | 30,672,677 | $380,639,791 | +$11,620,537 | $12.41 | 132 |
| 2016 Q3 | 29,445,167 | $303,284,624 | +$23,413,954 | $10.30 | 115 |
| 2016 Q2 | 27,209,563 | $213,590,081 | +$2,889,184 | $7.85 | 101 |
| 2016 Q1 | 26,788,589 | $180,327,975 | +$2,194,113 | $6.70 | 93 |
| 2015 Q4 | 26,495,429 | $158,441,682 | -$1,761,315 | $5.98 | 92 |
| 2015 Q3 | 26,790,773 | $155,407,819 | +$5,562,976 | $5.80 | 95 |
| 2015 Q2 | 25,833,609 | $144,922,046 | -$16,385,413 | $5.61 | 89 |
| 2015 Q1 | 28,592,812 | $157,259,140 | -$6,770,107 | $5.50 | 87 |
| 2014 Q4 | 30,212,040 | $122,007,375 | +$2,320,906 | $4.04 | 89 |
| 2014 Q3 | 29,516,642 | $113,640,249 | -$345,939 | $3.85 | 84 |
| 2014 Q2 | 29,394,709 | $147,277,163 | +$4,384,407 | $5.01 | 93 |
| 2014 Q1 | 28,512,983 | $145,691,255 | +$1,471,712 | $5.11 | 84 |