Casella Waste Systems Inc. Class ACWST
13F holders, Q4 2025 (December 31)393holders +2
65new positions
72sold out
5famous investors
$97.96avg. 13F price*
At the end of Q4 2025, 393 institutions reported holding Casella Waste Systems Inc. Class A (CWST) in their 13F filings, up 2 from Q3 2025. 65 opened new positions and 72 sold out. The largest holders were BlackRock, Inc. ($887.1M), Vanguard Group Inc. ($643.9M) and Wasatch Advisors LP ($368.8M). 5 famous investors held it, including Ron Baron (0.1% of Baron Capital (BAMCO)'s portfolio), Mario Gabelli (0.1% of GAMCO Investors's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Casella Waste Systems Inc. Class A
- CUSIP
- 147448104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 65 | $210.4M |
| Exits | 72 | $214.0M |
All 13F filers, Q3 2025 → Q4 2025: 15,070,624 shares bought and 5,435,455 shares sold, net +9,635,169 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 393 holders
| BlackRock, Inc. | 0.02% | Add +98.4% | 9,057,647 | $887.1M |
| Vanguard Group Inc. | 0.01% | Add +9.7% | 6,574,893 | $643.9M |
| Wasatch Advisors LP | 2.19% | Add +1.5% | 3,765,442 | $368.8M |
| Conestoga Capital Advisors, LLC | 4.58% | Reduce -3.4% | 2,777,327 | $272.0M |
| Invesco Ltd. | 0.03% | Add +12.5% | 2,703,855 | $264.8M |
| Capital Research Global Investors | 0.04% | Add +23.7% | 2,488,034 | $243.7M |
| State Street Corp. | 0.01% | Add +60.8% | 2,306,780 | $225.9M |
| Capital International Investors | 0.03% | Add +2.1% | 1,998,409 | $195.7M |
| T. Rowe Price Investment Management, Inc. | 0.11% | Add +0.0% | 1,707,723 | $167.3M |
| Westfield Capital Management Co. LP | 0.68% | Add +1.1% | 1,665,226 | $163.1M |
| Geode Capital Management, LLC | 0.01% | Add +0.4% | 1,538,803 | $150.7M |
| William Blair Investment Management, LLC | 0.40% | Reduce -18.9% | 1,468,206 | $143.8M |
| JPMorgan Chase & Co. | 0.01% | Reduce -11.7% | 1,462,770 | $143.3M |
| Morgan Stanley | 0.01% | Add +61.9% | 1,362,854 | $133.5M |
| Silvercrest Asset Management Group LLC | 0.91% | Add +8.6% | 1,348,555 | $132.1M |
| Wellington Management Group LLP | 0.02% | Reduce -6.0% | 1,307,249 | $128.0M |
| Geneva Capital Management LLC | 2.33% | Add +0.7% | 1,265,324 | $123.9M |
| Earnest Partners LLC | 0.49% | Reduce -2.7% | 1,162,557 | $113.9M |
| Neuberger Berman Group LLC | 0.08% | Add +11.9% | 1,045,409 | $102.4M |
| Dimensional Fund Advisors LP | 0.02% | Add +8.9% | 1,035,661 | $101.4M |
| Pictet Asset Management Holding SA | 0.09% | Add +10865.8% | 990,651 | $97.0M |
| Nomura Asset Management International Inc. | 0.14% | — | 943,149 | $92.4M |
| Goldman Sachs Group Inc. | 0.01% | Add +1.4% | 899,385 | $88.1M |
| UBS Group AG | 0.02% | Add +653.3% | 841,897 | $82.5M |
| Ameriprise Financial Inc. | 0.02% | Reduce -28.4% | 764,056 | $74.8M |
| Clearbridge Investments, LLC | 0.06% | Add +134.6% | 750,859 | $73.5M |
| Northern Trust Corp. | 0.01% | Add +2.9% | 709,873 | $69.5M |
| Allspring Global Investments Holdings, LLC | 0.11% | Reduce -2.0% | 699,620 | $69.0M |
| Voya Investment Management LLC | 0.08% | Add +28.0% | 686,511 | $67.2M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +9.6% | 672,756 | $65.9M |
| Brown Advisory Inc. | 0.09% | Reduce -7.6% | 662,629 | $64.9M |
| Loomis Sayles & Co. L P | 0.08% | Reduce -6.5% | 651,263 | $63.8M |
| Bank of America Corp. | 0.00% | Add +73.9% | 615,095 | $60.2M |
| TimesSquare Capital Management, LLC | 0.88% | Reduce -1.9% | 597,810 | $58.5M |
| Sei Investments Co. | 0.05% | Add +8.2% | 558,165 | $54.7M |
| London Co. of Virginia | 0.31% | Reduce -12.5% | 547,044 | $53.6M |
| Nuveen, LLC | 0.01% | Add +7.9% | 532,143 | $52.1M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.06% | Add +40.3% | 501,096 | $49.1M |
| Citadel Advisors | 0.03% | Add +617.2% | 464,772 | $45.5M |
| Fred Alger Management, LLC | 0.17% | Reduce -20.2% | 448,415 | $43.9M |
| Baron Capital (BAMCO) | 0.12% | New | 446,242 | $43.7M |
| Segall Bryant & Hamill, LLC | 0.58% | Add +8.6% | 436,403 | $42.7M |
| Bank of New York Mellon Corp | 0.01% | Add +60.9% | 408,188 | $40.0M |
| Norges Bank | 0.00% | — | 401,703 | $39.3M |
| Franklin Resources Inc. | 0.01% | Add +0.9% | 388,363 | $38.0M |
| Select Equity Group, L.P. | 0.17% | Add +19.6% | 374,229 | $36.7M |
| Comerica Bank | 0.14% | Reduce -33.1% | 368,287 | $36.1M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -23.5% | 355,623 | $34.8M |
| Ranger Investment Management, L.P. | 2.31% | Reduce -0.5% | 344,234 | $33.7M |
| DF Dent & Co. Inc. | 0.48% | Add +24.2% | 343,498 | $33.6M |
| Global Alpha Capital Management Ltd. | 1.96% | Reduce -42.8% | 328,332 | $32.2M |
| Boston Trust Walden Corp | 0.23% | New | 311,665 | $30.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +25.0% | 311,053 | $30.5M |
| Raymond James Financial Inc. | 0.01% | Add +21.9% | 304,451 | $29.8M |
| Principal Financial Group Inc. | 0.01% | Add +6105.6% | 298,923 | $29.3M |
| Blair William & Co. | 0.07% | Add +4.2% | 279,121 | $27.3M |
| Granahan Investment Management, LLC | 1.08% | Reduce -18.0% | 257,715 | $25.2M |
| Envestnet Asset Management Inc. | 0.01% | Reduce -12.0% | 257,555 | $25.2M |
| Thornburg Investment Management Inc. | 0.30% | Reduce -1.4% | 244,037 | $23.9M |
| GW&K Investment Management, LLC | 0.19% | Add +0.4% | 227,459 | $22.3M |
| Public Sector Pension Investment Board | 0.07% | New | 216,300 | $21.2M |
| Summit Creek Advisors LLC | 3.24% | Add +0.1% | 210,295 | $20.6M |
| Credit Agricole S A | 0.06% | New | 209,398 | $20.5M |
| Axiom Investors LLC | 0.17% | Add +68.9% | 201,364 | $19.7M |
| Jennison Associates LLC | 0.01% | Reduce -40.1% | 200,455 | $19.6M |
| Kennedy Capital Management LLC | 0.41% | Reduce -3.7% | 197,970 | $19.4M |
| Harvey Partners, LLC | 1.72% | Add +0.1% | 196,142 | $19.2M |
| Yaupon Capital Management LP | 0.93% | New | 192,855 | $18.9M |
| Rockefeller Capital Management L.P. | 0.03% | Add +11.2% | 188,331 | $18.4M |
| Aberdeen Group plc | 0.03% | Add +79.2% | 186,992 | $18.3M |
| BNP Paribas Financial Markets | 0.01% | Add +1278.2% | 177,222 | $17.4M |
| Granite Investment Partners, LLC | 1.00% | Add +4.2% | 172,621 | $16.9M |
| Aristotle Capital Boston, LLC | 0.93% | Reduce -9.6% | 172,046 | $16.9M |
| Congruence Capital, LLC | 6.17% | — | 171,186 | $16.8M |
| Russell Investments Group, Ltd. | 0.02% | Reduce -0.2% | 169,420 | $16.6M |
| Tidal Investments LLC | 0.07% | Add +11.4% | 167,075 | $16.4M |
| SG Capital Management LLC | 1.76% | Add +79.6% | 163,726 | $16.0M |
| Rhumbline Advisers | 0.01% | Add +73.3% | 161,359 | $15.8M |
| Osterweis Capital Management Inc. | 0.90% | Add +30.5% | 160,735 | $15.7M |
| WCM Investment Management, LLC | 0.03% | Reduce -5.8% | 156,949 | $15.7M |
| Legal & General Group Plc | 0.00% | Add +134.4% | 157,552 | $15.4M |
| California Public Employees Retirement System | 0.01% | Reduce -20.1% | 157,414 | $15.4M |
| Hallstatt Advisors L.P. | 10.59% | — | 145,140 | $14.2M |
| Wells Fargo & Company | 0.00% | Add +29.5% | 128,416 | $12.6M |
| Thrivent Financial for Lutherans | 0.02% | Add +17.7% | 124,356 | $12.2M |
| Swiss National Bank | 0.01% | Add +1.7% | 123,200 | $12.1M |
| Atom Investors LP | 0.95% | New | 122,675 | $12.0M |
| State of Wisconsin Investment Board | 0.03% | Add +2.7% | 117,734 | $11.5M |
| Fenimore Asset Management Inc | 0.24% | Add +2.9% | 117,493 | $11.5M |
| Royal Bank of Canada | 0.00% | Reduce -60.6% | 100,516 | $9.8M |
| GAMCO Investors | 0.09% | No change | 99,200 | $9.7M |
| Barclays PLC | 0.00% | Add +9.3% | 98,821 | $9.7M |
| 4D Advisors, LLC | 5.10% | New | 95,000 | $9.3M |
| Boothbay Fund Management, LLC | 0.23% | Add +26.9% | 89,045 | $8.7M |
| Catawba River Capital | 3.74% | Add +2.4% | 85,923 | $8.4M |
| Oppenheimer Asset Management Inc. | 0.10% | Reduce -2.2% | 84,198 | $8.2M |
| Victory Capital Management Inc. | 0.00% | Reduce -56.2% | 83,475 | $8.2M |
| Impax Asset Management Group plc | 0.05% | No change | 80,000 | $7.8M |
| Nicholas Company, Inc. | 0.14% | Add +13.9% | 79,418 | $7.8M |
| Alliancebernstein L.P. | 0.00% | Add +9.5% | 78,506 | $7.7M |
"% of holder's portfolio" is CWST's weight in each manager's 13F, not the share of Casella Waste Systems Inc. Class A the manager owns.