Casella Waste Systems Inc. Class ACWST
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 391 institutions reported holding Casella Waste Systems Inc. Class A (CWST) in their 13F filings, down 1 from Q2 2025. 54 opened new positions and 51 sold out. The largest holders were Vanguard Group Inc. ($568.7M), BlackRock, Inc. ($433.2M) and Wasatch Advisors LP ($351.9M). 8 famous investors held it, including Mario Gabelli (0.1% of GAMCO Investors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies'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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 54 | $82.9M |
| Exits | 51 | $40.9M |
All 13F filers, Q2 2025 → Q3 2025: 6,522,420 shares bought and 5,102,248 shares sold, net +1,420,172 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 391 holders
| Vanguard Group Inc. | 0.01% | Reduce -1.3% | 5,993,583 | $568.7M |
| BlackRock, Inc. | 0.01% | Reduce -1.7% | 4,566,146 | $433.2M |
| Wasatch Advisors LP | 1.89% | Add +8.7% | 3,708,528 | $351.9M |
| Conestoga Capital Advisors, LLC | 4.38% | Add +7.3% | 2,876,061 | $272.9M |
| Invesco Ltd. | 0.04% | Reduce -7.5% | 2,403,753 | $228.1M |
| Capital Research Global Investors | 0.04% | Add +39.3% | 2,010,818 | $190.8M |
| Capital International Investors | 0.03% | Reduce -0.2% | 1,956,962 | $185.7M |
| William Blair Investment Management, LLC | 0.44% | Add +0.5% | 1,809,867 | $171.7M |
| T. Rowe Price Investment Management, Inc. | 0.10% | Add +63.1% | 1,707,199 | $162.0M |
| JPMorgan Chase & Co. | 0.01% | Reduce -3.1% | 1,656,213 | $157.1M |
| Westfield Capital Management Co. LP | 0.66% | Add +6.2% | 1,647,907 | $156.4M |
| Geode Capital Management, LLC | 0.01% | Add +2.2% | 1,533,293 | $145.5M |
| State Street Corp. | 0.00% | Add +0.1% | 1,435,019 | $136.2M |
| Wellington Management Group LLP | 0.02% | Add +29.6% | 1,390,635 | $131.9M |
| Geneva Capital Management LLC | 2.04% | Add +15.9% | 1,256,415 | $119.2M |
| Silvercrest Asset Management Group LLC | 0.78% | Add +9.8% | 1,241,649 | $117.8M |
| Earnest Partners LLC | 0.49% | Reduce -5.5% | 1,195,203 | $113.4M |
| Ameriprise Financial Inc. | 0.02% | Reduce -18.6% | 1,066,608 | $101.2M |
| Macquarie Group Ltd. | 0.12% | Reduce -8.1% | 1,046,398 | $99.3M |
| Dimensional Fund Advisors LP | 0.02% | Add +9.4% | 950,653 | $90.2M |
| Neuberger Berman Group LLC | 0.06% | Add +16.6% | 934,364 | $88.7M |
| Goldman Sachs Group Inc. | 0.01% | Add +37.5% | 886,575 | $84.1M |
| Morgan Stanley | 0.00% | Add +19.9% | 841,766 | $79.9M |
| Brown Advisory Inc. | 0.09% | Reduce -4.4% | 717,029 | $68.0M |
| Loomis Sayles & Co. L P | 0.08% | Reduce -2.8% | 696,540 | $66.1M |
| Northern Trust Corp. | 0.01% | Add +2.5% | 690,209 | $65.5M |
| Allspring Global Investments Holdings, LLC | 0.10% | Add +1.7% | 713,829 | $64.9M |
| London Co. of Virginia | 0.33% | Reduce -3.7% | 625,428 | $59.3M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +1.2% | 613,695 | $58.2M |
| TimesSquare Capital Management, LLC | 0.83% | Add +21.6% | 609,175 | $57.8M |
| Global Alpha Capital Management Ltd. | 3.11% | Add +9.0% | 573,965 | $54.5M |
| Fred Alger Management, LLC | 0.21% | Reduce -16.9% | 561,850 | $53.3M |
| Comerica Bank | 0.20% | Add +11.3% | 550,557 | $52.2M |
| Voya Investment Management LLC | 0.06% | Add +72.1% | 536,376 | $50.9M |
| Sei Investments Co. | 0.05% | Reduce -4.6% | 515,845 | $48.9M |
| Nuveen, LLC | 0.01% | Add +14.6% | 493,006 | $46.8M |
| T. Rowe Price Associates Inc. | 0.00% | Add +60.4% | 464,623 | $44.1M |
| Segall Bryant & Hamill, LLC | 0.51% | Add +10.2% | 401,973 | $38.1M |
| Franklin Resources Inc. | 0.01% | Reduce -41.0% | 384,928 | $36.5M |
| Zimmer Partners, LP | 0.86% | Add +149.2% | 370,000 | $35.1M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.09% | Add +29.0% | 357,120 | $33.9M |
| Bank of America Corp. | 0.00% | Reduce -3.3% | 353,749 | $33.6M |
| Ranger Investment Management, L.P. | 2.29% | Add +15.5% | 346,020 | $32.8M |
| Jennison Associates LLC | 0.02% | Reduce -22.5% | 334,770 | $31.8M |
| Clearbridge Investments, LLC | 0.02% | Add +68.2% | 320,037 | $30.4M |
| Granahan Investment Management, LLC | 1.22% | Add +0.6% | 314,344 | $29.8M |
| Select Equity Group, L.P. | 0.13% | Add +34.8% | 312,780 | $29.7M |
| Envestnet Asset Management Inc. | 0.01% | Add +1.8% | 292,711 | $27.8M |
| DF Dent & Co. Inc. | 0.34% | Reduce -7.8% | 276,605 | $26.2M |
| Blair William & Co. | 0.07% | Add +54.4% | 267,978 | $25.4M |
| Royal Bank of Canada | 0.00% | Reduce -29.6% | 255,034 | $24.2M |
| Bank of New York Mellon Corp | 0.00% | Reduce -47.8% | 253,694 | $24.1M |
| Raymond James Financial Inc. | 0.01% | Reduce -13.7% | 249,731 | $23.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Reduce -37.6% | 248,913 | $23.6M |
| Thornburg Investment Management Inc. | 0.31% | Reduce -3.2% | 247,419 | $23.5M |
| GW&K Investment Management, LLC | 0.19% | Add +20.6% | 226,457 | $21.5M |
| Summit Creek Advisors LLC | 2.91% | Add +12.3% | 210,165 | $19.9M |
| Kennedy Capital Management LLC | 0.43% | Add +42.4% | 205,569 | $19.5M |
| California Public Employees Retirement System | 0.01% | Reduce -11.6% | 197,131 | $18.7M |
| Harvey Partners, LLC | 1.69% | Add +50.4% | 196,000 | $18.6M |
| Victory Capital Management Inc. | 0.01% | Add +73.7% | 190,551 | $18.1M |
| Aristotle Capital Boston, LLC | 0.93% | Reduce -0.8% | 190,288 | $18.1M |
| Russell Investments Group, Ltd. | 0.02% | Add +27.4% | 169,831 | $16.1M |
| Rockefeller Capital Management L.P. | 0.03% | Add +49.7% | 169,346 | $16.1M |
| Granite Investment Partners, LLC | 0.89% | Reduce -9.5% | 165,653 | $15.7M |
| Forge First Asset Management Inc. | 7.15% | New | 161,722 | $15.4M |
| WCM Investment Management, LLC | 0.03% | Reduce -0.4% | 166,540 | $15.2M |
| Man Group plc | 0.03% | Add +73.5% | 153,923 | $14.6M |
| Tidal Investments LLC | 0.06% | Add +50.4% | 149,922 | $14.2M |
| Osterweis Capital Management Inc. | 0.69% | New | 123,185 | $11.7M |
| Swiss National Bank | 0.01% | Add +1.7% | 121,100 | $11.5M |
| Millennium Management | 0.01% | Add +155.0% | 119,691 | $11.4M |
| Axiom Investors LLC | 0.08% | Reduce -4.1% | 119,228 | $11.3M |
| State of Wisconsin Investment Board | 0.03% | Add +0.1% | 114,639 | $10.9M |
| Fenimore Asset Management Inc | 0.22% | New | 114,226 | $10.8M |
| Susquehanna International Group, LLP | 0.02% | Add +11.7% | 112,685 | $10.7M |
| UBS Group AG | 0.00% | Add +5.7% | 111,769 | $10.6M |
| Thrivent Financial for Lutherans | 0.02% | Add +0.5% | 105,685 | $10.0M |
| Aberdeen Group plc | 0.02% | Reduce -48.6% | 104,376 | $9.9M |
| UniSuper Management Pty Ltd | 0.06% | Add +40.9% | 102,003 | $9.7M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.02% | Reduce -33.3% | 100,000 | $9.5M |
| GAMCO Investors | 0.09% | No change | 99,200 | $9.4M |
| Wells Fargo & Company | 0.00% | Add +3.4% | 99,193 | $9.4M |
| Rhumbline Advisers | 0.01% | Reduce -3.6% | 93,101 | $8.8M |
| Edgestream Partners, L.P. | 0.26% | Add +220.1% | 92,173 | $8.7M |
| SG Capital Management LLC | 0.87% | New | 91,151 | $8.6M |
| Barclays PLC | 0.00% | Reduce -36.1% | 90,414 | $8.6M |
| Oppenheimer Asset Management Inc. | 0.09% | Add +0.7% | 86,056 | $8.2M |
| Catawba River Capital | 3.61% | Add +1.8% | 83,923 | $8.0M |
| Lazard Asset Management LLC | 0.01% | Add +3.5% | 83,675 | $7.9M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Add +14.3% | 81,417 | $7.7M |
| Jane Street Group, LLC | 0.01% | Reduce -61.2% | 80,021 | $7.6M |
| Impax Asset Management Group plc | 0.04% | Add +33.3% | 80,000 | $7.6M |
| Alliancebernstein L.P. | 0.00% | Reduce -91.7% | 71,675 | $6.8M |
| Boothbay Fund Management, LLC | 0.18% | New | 70,149 | $6.7M |
| Nicholas Company, Inc. | 0.11% | Add +46.3% | 69,708 | $6.6M |
| Ensign Peak Advisors, Inc | 0.01% | Reduce -52.0% | 69,129 | $6.6M |
| Renaissance Technologies | 0.01% | Add +261.3% | 68,642 | $6.5M |
| Legal & General Group Plc | 0.00% | Reduce -5.8% | 67,212 | $6.4M |
| Qube Research & Technologies Ltd | 0.01% | Add +955.0% | 67,140 | $6.4M |
"% 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.