Casella Waste Systems Inc
CWST- Exchange
- Nasdaq
- Industry
- Refuse Systems
- SEC CIK
- 0000911177
In the last 90 days, Casella Waste Systems Inc insiders filed 0 open-market purchases and 3 sales; 418 institutions reported holding it in 13F filings for Q2 2026, worth $7.49B in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Casella Waste Systems Inc as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 393
- +11 vs. Q3 2025
- Shares held
- 77.5M
- +11.3M (+17.1%) vs. Q3 2025
- Total value
- $7.59B
- +$1.32B (+21.0%) vs. Q3 2025
- New holders
- 85
- 162 more added
- Sold out
- 74
- 96 more reduced
9 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CWST on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 418 | $7.49B |
| Q1 2026 | 407 | $5.92B |
| Q4 2025 | 393 | $7.59B |
| Q3 2025 | 391 | $6.29B |
| Q2 2025 | 393 | $7.57B |
| Q1 2025 | 373 | $7.36B |
| Q4 2024 | 346 | $6.89B |
| Q3 2024 | 345 | $6.37B |
| Q2 2024 | 314 | $5.90B |
| Q1 2024 | 311 | $5.77B |
| Q4 2023 | 309 | $4.92B |
| Q3 2023 | 300 | $4.38B |
| Q2 2023 | 320 | $5.05B |
| Q1 2023 | 267 | $4.19B |
| Q4 2022 | 272 | $3.98B |
| Q3 2022 | 278 | $3.86B |
| Q2 2022 | 266 | $3.65B |
| Q1 2022 | 279 | $4.35B |
| Q4 2021 | 281 | $4.16B |
| Q3 2021 | 236 | $3.80B |
| Q2 2021 | 238 | $3.14B |
| Q1 2021 | 222 | $3.10B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Casella Waste Systems Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,057,647 | $887.1M | 0.02% | +4,491,501+98.4% | Added |
| Vanguard Group Inc | 6,574,893 | $643.9M | 0.01% | +581,310+9.7% | Added |
| Wasatch Advisors Inc | 3,765,442 | $368.8M | 2.19% | +56,914+1.5% | Added |
| Conestoga Capital Advisors, LLC | 2,777,327 | $272.0M | 4.58% | −98,734−3.4% | Reduced |
| Invesco Ltd. | 2,703,855 | $264.8M | 0.02% | +300,102+12.5% | Added |
| Capital Research Global Investors | 2,488,034 | $243.7M | 0.04% | +477,216+23.7% | Added |
| State Street Corp | 2,306,780 | $225.9M | 0.01% | +871,761+60.7% | Added |
| Capital International Investors | 1,998,409 | $195.7M | 0.03% | +41,447+2.1% | Added |
| T. Rowe Price Investment Management, Inc. | 1,707,723 | $167.3M | 0.11% | +5240.0% | Added |
| Westfield Capital Management Co LP | 1,665,226 | $163.1M | 0.68% | +17,319+1.1% | Added |
| Geode Capital Management, LLC | 1,538,803 | $150.7M | 0.01% | +5,510+0.4% | Added |
| William Blair Investment Management, LLC | 1,468,206 | $143.8M | 0.40% | −341,661−18.9% | Reduced |
| JPMorgan Chase & Co | 1,462,770 | $143.3M | 0.01% | −193,443−11.7% | Reduced |
| Morgan Stanley | 1,362,854 | $133.5M | 0.01% | +521,088+61.9% | Added |
| Silvercrest Asset Management Group LLC | 1,348,555 | $132.1M | 0.91% | +106,906+8.6% | Added |
| Wellington Management Group LLP | 1,307,249 | $128.0M | 0.02% | −83,386−6.0% | Reduced |
| Geneva Capital Management LLC | 1,265,324 | $123.9M | 2.33% | +8,909+0.7% | Added |
| Earnest Partners LLC | 1,162,557 | $113.9M | 0.49% | −32,646−2.7% | Reduced |
| Neuberger Berman Group LLC | 1,045,409 | $102.4M | 0.08% | +111,045+11.9% | Added |
| Dimensional Fund Advisors LP | 1,035,661 | $101.4M | 0.02% | +85,008+8.9% | Added |
| Pictet Asset Management Holding SA | 990,651 | $97.0M | 0.09% | +981,617+10,865.8% | Added |
| Nomura Asset Management International Inc. | 943,149 | $92.4M | 0.14% | +943,149 | New |
| Goldman Sachs Group Inc | 899,385 | $88.1M | 0.01% | +12,810+1.4% | Added |
| UBS Group AG | 841,897 | $82.5M | 0.02% | +730,128+653.2% | Added |
| Ameriprise Financial Inc | 764,056 | $74.8M | 0.02% | −302,552−28.4% | Reduced |
| Clearbridge Investments, LLC | 750,859 | $73.5M | 0.06% | +430,822+134.6% | Added |
| Northern Trust Corp | 709,873 | $69.5M | 0.01% | +19,664+2.8% | Added |
| Allspring Global Investments Holdings, LLC | 699,620 | $69.0M | 0.11% | −14,209−2.0% | Reduced |
| Voya Investment Management LLC | 686,511 | $67.2M | 0.07% | +150,135+28.0% | Added |
| Charles Schwab Investment Management Inc | 672,756 | $65.9M | 0.01% | +59,061+9.6% | Added |
| Brown Advisory Inc | 662,629 | $64.9M | 0.09% | −54,400−7.6% | Reduced |
| Loomis Sayles & Co L P | 651,263 | $63.8M | 0.08% | −45,277−6.5% | Reduced |
| Bank of America Corp | 615,095 | $60.2M | 0.00% | +261,346+73.9% | Added |
| TimesSquare Capital Management, LLC | 597,810 | $58.5M | 0.88% | −11,365−1.9% | Reduced |
| SEI Investments Co | 558,165 | $54.7M | 0.05% | +42,320+8.2% | Added |
| London Co of Virginia | 547,044 | $53.6M | 0.31% | −78,384−12.5% | Reduced |
| Nuveen, LLC | 532,143 | $52.1M | 0.01% | +39,137+7.9% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 501,096 | $49.1M | 0.06% | +143,976+40.3% | Added |
| Citadel Advisors LLC | 464,772 | $45.5M | 0.03% | +399,971+617.2% | Added |
| Fred Alger Management, LLC | 448,415 | $43.9M | 0.17% | −113,435−20.2% | Reduced |
| Bamco Inc | 446,242 | $43.7M | 0.12% | +446,242 | New |
| Segall Bryant & Hamill, LLC | 436,403 | $42.7M | 0.58% | +34,430+8.6% | Added |
| Bank of New York Mellon Corp | 408,188 | $40.0M | 0.01% | +154,494+60.9% | Added |
| Norges Bank | 401,703 | $39.3M | 0.00% | +401,703 | New |
| Franklin Resources Inc | 388,363 | $38.0M | 0.01% | +3,435+0.9% | Added |
| Select Equity Group, L.P. | 374,229 | $36.7M | 0.17% | +61,449+19.6% | Added |
| Comerica Bank | 368,287 | $36.1M | 0.14% | −182,270−33.1% | Reduced |
| Price T Rowe Associates Inc | 355,623 | $34.8M | 0.00% | −109,000−23.5% | Reduced |
| Ranger Investment Management, L.P. | 344,234 | $33.7M | 2.31% | −1,786−0.5% | Reduced |
| DF Dent & Co Inc | 343,498 | $33.6M | 0.48% | +66,893+24.2% | Added |
| Global Alpha Capital Management Ltd. | 328,332 | $32.2M | 1.96% | −245,633−42.8% | Reduced |
| Boston Trust Walden Corp | 311,665 | $30.5M | 0.23% | +311,665 | New |
| UBS Asset Management Americas Inc | 311,053 | $30.5M | 0.01% | +62,140+25.0% | Added |
| Raymond James Financial Inc | 304,451 | $29.8M | 0.01% | +54,720+21.9% | Added |
| Principal Financial Group Inc | 298,923 | $29.3M | 0.01% | +294,106+6,105.6% | Added |
| Blair William & Co | 279,121 | $27.3M | 0.07% | +11,143+4.2% | Added |
| Granahan Investment Management Inc | 257,715 | $25.2M | 1.08% | −56,629−18.0% | Reduced |
| Envestnet Asset Management Inc | 257,555 | $25.2M | 0.01% | −35,156−12.0% | Reduced |
| Thornburg Investment Management Inc | 244,037 | $23.9M | 0.30% | −3,382−1.4% | Reduced |
| GW&K Investment Management, LLC | 227,459 | $22.3M | 0.19% | +1,002+0.4% | Added |
| Public Sector Pension Investment Board | 216,300 | $21.2M | 0.07% | +216,300 | New |
| Summit Creek Advisors LLC | 210,295 | $20.6M | 3.24% | +130+0.1% | Added |
| Credit Agricole S A | 209,398 | $20.5M | 0.06% | +209,398 | New |
| Axiom Investors LLC | 201,364 | $19.7M | 0.17% | +82,136+68.9% | Added |
| Jennison Associates LLC | 200,455 | $19.6M | 0.01% | −134,315−40.1% | Reduced |
| Kennedy Capital Management, Inc. | 197,970 | $19.4M | 0.41% | −7,599−3.7% | Reduced |
| Harvey Partners, LLC | 196,142 | $19.2M | 1.72% | +142+0.1% | Added |
| Yaupon Capital Management LP | 192,855 | $18.9M | 0.93% | +192,855 | New |
| Rockefeller Capital Management L.P. | 188,331 | $18.4M | 0.03% | +18,985+11.2% | Added |
| Standard Life Aberdeen plc | 186,992 | $18.3M | 0.03% | +82,616+79.2% | Added |
| BNP Paribas Arbitrage, SA | 177,222 | $17.4M | 0.01% | +164,363+1,278.2% | Added |
| Granite Investment Partners, LLC | 172,621 | $16.9M | 1.00% | +6,968+4.2% | Added |
| Aristotle Capital Boston, LLC | 172,046 | $16.9M | 0.93% | −18,242−9.6% | Reduced |
| Congruence Capital, LLC | 171,186 | $16.8M | 6.17% | +171,186 | New |
| Russell Investments Group, Ltd. | 169,420 | $16.6M | 0.02% | −411−0.2% | Reduced |
| Toroso Investments, LLC | 167,075 | $16.4M | 0.07% | +17,153+11.4% | Added |
| SG Capital Management LLC | 163,726 | $16.0M | 1.76% | +72,575+79.6% | Added |
| Rhumbline Advisers | 161,359 | $15.8M | 0.01% | +68,258+73.3% | Added |
| Osterweis Capital Management Inc | 160,735 | $15.7M | 0.67% | +37,550+30.5% | Added |
| WCM Investment Management, LLC | 156,949 | $15.7M | 0.03% | −9,591−5.8% | Reduced |
| Legal & General Group Plc | 157,552 | $15.4M | 0.00% | +90,340+134.4% | Added |
| California Public Employees Retirement System | 157,414 | $15.4M | 0.01% | −39,717−20.1% | Reduced |
| Hallstatt Advisors L.P. | 145,140 | $14.2M | 10.59% | +145,140 | New |
| Wells Fargo & Company | 128,416 | $12.6M | 0.00% | +29,223+29.5% | Added |
| Thrivent Financial for Lutherans | 124,356 | $12.2M | 0.02% | +18,671+17.7% | Added |
| Swiss National Bank | 123,200 | $12.1M | 0.01% | +2,100+1.7% | Added |
| Atom Investors LP | 122,675 | $12.0M | 0.95% | +122,675 | New |
| State of Wisconsin Investment Board | 117,734 | $11.5M | 0.03% | +3,095+2.7% | Added |
| Fenimore Asset Management Inc | 117,493 | $11.5M | 0.24% | +3,267+2.9% | Added |
| Royal Bank of Canada | 100,516 | $9.84M | 0.00% | −154,518−60.6% | Reduced |
| Gamco Investors, Inc. Et Al | 99,200 | $9.72M | 0.09% | 00.0% | Unchanged |
| Barclays PLC | 98,821 | $9.68M | 0.00% | +8,407+9.3% | Added |
| 4D Advisors, LLC | 95,000 | $9.30M | 5.10% | +95,000 | New |
| Boothbay Fund Management, LLC | 89,045 | $8.72M | 0.23% | +18,896+26.9% | Added |
| R.P. Boggs & Co. | 85,923 | $8.42M | 3.74% | +2,000+2.4% | Added |
| Oppenheimer Asset Management Inc. | 84,198 | $8.25M | 0.10% | −1,858−2.2% | Reduced |
| Victory Capital Management Inc | 83,475 | $8.18M | 0.00% | −107,076−56.2% | Reduced |
| Impax Asset Management Group plc | 80,000 | $7.84M | 0.05% | 00.0% | Unchanged |
| Nicholas Company, Inc. | 79,418 | $7.78M | 0.14% | +9,710+13.9% | Added |
| Alliancebernstein L.P. | 78,506 | $7.69M | 0.00% | +6,831+9.5% | Added |