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 |
|---|---|---|---|---|---|
| 4D Advisors, LLC | 95,000 | $9.30M | 5.10% | +95,000 | New |
| Barclays PLC | 98,821 | $9.68M | 0.00% | +8,407+9.3% | Added |
| Gamco Investors, Inc. Et Al | 99,200 | $9.72M | 0.09% | 00.0% | Unchanged |
| Royal Bank of Canada | 100,516 | $9.84M | 0.00% | −154,518−60.6% | Reduced |
| Fenimore Asset Management Inc | 117,493 | $11.5M | 0.24% | +3,267+2.9% | Added |
| State of Wisconsin Investment Board | 117,734 | $11.5M | 0.03% | +3,095+2.7% | Added |
| Atom Investors LP | 122,675 | $12.0M | 0.95% | +122,675 | New |
| Swiss National Bank | 123,200 | $12.1M | 0.01% | +2,100+1.7% | Added |
| Thrivent Financial for Lutherans | 124,356 | $12.2M | 0.02% | +18,671+17.7% | Added |
| Wells Fargo & Company | 128,416 | $12.6M | 0.00% | +29,223+29.5% | Added |
| Hallstatt Advisors L.P. | 145,140 | $14.2M | 10.59% | +145,140 | New |
| California Public Employees Retirement System | 157,414 | $15.4M | 0.01% | −39,717−20.1% | Reduced |
| Legal & General Group Plc | 157,552 | $15.4M | 0.00% | +90,340+134.4% | Added |
| WCM Investment Management, LLC | 156,949 | $15.7M | 0.03% | −9,591−5.8% | Reduced |
| Osterweis Capital Management Inc | 160,735 | $15.7M | 0.67% | +37,550+30.5% | Added |
| Rhumbline Advisers | 161,359 | $15.8M | 0.01% | +68,258+73.3% | Added |
| SG Capital Management LLC | 163,726 | $16.0M | 1.76% | +72,575+79.6% | Added |
| Toroso Investments, LLC | 167,075 | $16.4M | 0.07% | +17,153+11.4% | Added |
| Russell Investments Group, Ltd. | 169,420 | $16.6M | 0.02% | −411−0.2% | Reduced |
| Congruence Capital, LLC | 171,186 | $16.8M | 6.17% | +171,186 | New |
| Aristotle Capital Boston, LLC | 172,046 | $16.9M | 0.93% | −18,242−9.6% | Reduced |
| Granite Investment Partners, LLC | 172,621 | $16.9M | 1.00% | +6,968+4.2% | Added |
| BNP Paribas Arbitrage, SA | 177,222 | $17.4M | 0.01% | +164,363+1,278.2% | Added |
| Standard Life Aberdeen plc | 186,992 | $18.3M | 0.03% | +82,616+79.2% | Added |
| Rockefeller Capital Management L.P. | 188,331 | $18.4M | 0.03% | +18,985+11.2% | Added |
| Yaupon Capital Management LP | 192,855 | $18.9M | 0.93% | +192,855 | New |
| Harvey Partners, LLC | 196,142 | $19.2M | 1.72% | +142+0.1% | Added |
| Kennedy Capital Management, Inc. | 197,970 | $19.4M | 0.41% | −7,599−3.7% | Reduced |
| Jennison Associates LLC | 200,455 | $19.6M | 0.01% | −134,315−40.1% | Reduced |
| Axiom Investors LLC | 201,364 | $19.7M | 0.17% | +82,136+68.9% | Added |
| Credit Agricole S A | 209,398 | $20.5M | 0.06% | +209,398 | New |
| Summit Creek Advisors LLC | 210,295 | $20.6M | 3.24% | +130+0.1% | Added |
| Public Sector Pension Investment Board | 216,300 | $21.2M | 0.07% | +216,300 | New |
| GW&K Investment Management, LLC | 227,459 | $22.3M | 0.19% | +1,002+0.4% | Added |
| Thornburg Investment Management Inc | 244,037 | $23.9M | 0.30% | −3,382−1.4% | Reduced |
| Envestnet Asset Management Inc | 257,555 | $25.2M | 0.01% | −35,156−12.0% | Reduced |
| Granahan Investment Management Inc | 257,715 | $25.2M | 1.08% | −56,629−18.0% | Reduced |
| Blair William & Co | 279,121 | $27.3M | 0.07% | +11,143+4.2% | Added |
| Principal Financial Group Inc | 298,923 | $29.3M | 0.01% | +294,106+6,105.6% | Added |
| Raymond James Financial Inc | 304,451 | $29.8M | 0.01% | +54,720+21.9% | Added |
| UBS Asset Management Americas Inc | 311,053 | $30.5M | 0.01% | +62,140+25.0% | Added |
| Boston Trust Walden Corp | 311,665 | $30.5M | 0.23% | +311,665 | New |
| Global Alpha Capital Management Ltd. | 328,332 | $32.2M | 1.96% | −245,633−42.8% | Reduced |
| DF Dent & Co Inc | 343,498 | $33.6M | 0.48% | +66,893+24.2% | Added |
| Ranger Investment Management, L.P. | 344,234 | $33.7M | 2.31% | −1,786−0.5% | Reduced |
| Price T Rowe Associates Inc | 355,623 | $34.8M | 0.00% | −109,000−23.5% | Reduced |
| Comerica Bank | 368,287 | $36.1M | 0.14% | −182,270−33.1% | Reduced |
| Select Equity Group, L.P. | 374,229 | $36.7M | 0.17% | +61,449+19.6% | Added |
| Franklin Resources Inc | 388,363 | $38.0M | 0.01% | +3,435+0.9% | Added |
| Norges Bank | 401,703 | $39.3M | 0.00% | +401,703 | New |
| Bank of New York Mellon Corp | 408,188 | $40.0M | 0.01% | +154,494+60.9% | Added |
| Segall Bryant & Hamill, LLC | 436,403 | $42.7M | 0.58% | +34,430+8.6% | Added |
| Bamco Inc | 446,242 | $43.7M | 0.12% | +446,242 | New |
| Fred Alger Management, LLC | 448,415 | $43.9M | 0.17% | −113,435−20.2% | Reduced |
| Citadel Advisors LLC | 464,772 | $45.5M | 0.03% | +399,971+617.2% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 501,096 | $49.1M | 0.06% | +143,976+40.3% | Added |
| Nuveen, LLC | 532,143 | $52.1M | 0.01% | +39,137+7.9% | Added |
| London Co of Virginia | 547,044 | $53.6M | 0.31% | −78,384−12.5% | Reduced |
| SEI Investments Co | 558,165 | $54.7M | 0.05% | +42,320+8.2% | Added |
| TimesSquare Capital Management, LLC | 597,810 | $58.5M | 0.88% | −11,365−1.9% | Reduced |
| Bank of America Corp | 615,095 | $60.2M | 0.00% | +261,346+73.9% | Added |
| Loomis Sayles & Co L P | 651,263 | $63.8M | 0.08% | −45,277−6.5% | Reduced |
| Brown Advisory Inc | 662,629 | $64.9M | 0.09% | −54,400−7.6% | Reduced |
| Charles Schwab Investment Management Inc | 672,756 | $65.9M | 0.01% | +59,061+9.6% | Added |
| Voya Investment Management LLC | 686,511 | $67.2M | 0.07% | +150,135+28.0% | Added |
| Allspring Global Investments Holdings, LLC | 699,620 | $69.0M | 0.11% | −14,209−2.0% | Reduced |
| Northern Trust Corp | 709,873 | $69.5M | 0.01% | +19,664+2.8% | Added |
| Clearbridge Investments, LLC | 750,859 | $73.5M | 0.06% | +430,822+134.6% | Added |
| Ameriprise Financial Inc | 764,056 | $74.8M | 0.02% | −302,552−28.4% | Reduced |
| UBS Group AG | 841,897 | $82.5M | 0.02% | +730,128+653.2% | Added |
| Goldman Sachs Group Inc | 899,385 | $88.1M | 0.01% | +12,810+1.4% | Added |
| Nomura Asset Management International Inc. | 943,149 | $92.4M | 0.14% | +943,149 | New |
| Pictet Asset Management Holding SA | 990,651 | $97.0M | 0.09% | +981,617+10,865.8% | Added |
| Dimensional Fund Advisors LP | 1,035,661 | $101.4M | 0.02% | +85,008+8.9% | Added |
| Neuberger Berman Group LLC | 1,045,409 | $102.4M | 0.08% | +111,045+11.9% | Added |
| Earnest Partners LLC | 1,162,557 | $113.9M | 0.49% | −32,646−2.7% | Reduced |
| Geneva Capital Management LLC | 1,265,324 | $123.9M | 2.33% | +8,909+0.7% | Added |
| Wellington Management Group LLP | 1,307,249 | $128.0M | 0.02% | −83,386−6.0% | Reduced |
| Silvercrest Asset Management Group LLC | 1,348,555 | $132.1M | 0.91% | +106,906+8.6% | Added |
| Morgan Stanley | 1,362,854 | $133.5M | 0.01% | +521,088+61.9% | Added |
| JPMorgan Chase & Co | 1,462,770 | $143.3M | 0.01% | −193,443−11.7% | Reduced |
| William Blair Investment Management, LLC | 1,468,206 | $143.8M | 0.40% | −341,661−18.9% | Reduced |
| Geode Capital Management, LLC | 1,538,803 | $150.7M | 0.01% | +5,510+0.4% | Added |
| Westfield Capital Management Co LP | 1,665,226 | $163.1M | 0.68% | +17,319+1.1% | Added |
| T. Rowe Price Investment Management, Inc. | 1,707,723 | $167.3M | 0.11% | +5240.0% | Added |
| Capital International Investors | 1,998,409 | $195.7M | 0.03% | +41,447+2.1% | Added |
| State Street Corp | 2,306,780 | $225.9M | 0.01% | +871,761+60.7% | Added |
| Capital Research Global Investors | 2,488,034 | $243.7M | 0.04% | +477,216+23.7% | Added |
| Invesco Ltd. | 2,703,855 | $264.8M | 0.02% | +300,102+12.5% | Added |
| Conestoga Capital Advisors, LLC | 2,777,327 | $272.0M | 4.58% | −98,734−3.4% | Reduced |
| Wasatch Advisors Inc | 3,765,442 | $368.8M | 2.19% | +56,914+1.5% | Added |
| Vanguard Group Inc | 6,574,893 | $643.9M | 0.01% | +581,310+9.7% | Added |
| BlackRock, Inc. | 9,057,647 | $887.1M | 0.02% | +4,491,501+98.4% | Added |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −1,046,398−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −153,923−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −119,691−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −112,685−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −92,173−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −68,642−100.0% | Sold out |