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, Q1 2026
Institutional positions in Casella Waste Systems Inc as of Mar 31, 2026. 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
- 407
- +22 vs. Q4 2025
- Shares held
- 74.6M
- +4.49M (+6.4%) vs. Q4 2025
- Total value
- $5.92B
- −$947.5M (−13.8%) vs. Q4 2025
- New holders
- 69
- 127 more added
- Sold out
- 47
- 156 more reduced
8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Casella Waste Systems Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital Research Global Investors | 2,330,165 | $184.9M | 0.03% | −157,869−6.3% | Reduced |
| State Street Corp | 2,389,197 | $189.6M | 0.01% | +82,417+3.6% | Added |
| Wasatch Advisors Inc | 2,582,220 | $204.9M | 1.36% | −1,183,222−31.4% | Reduced |
| Vanguard Capital Management LLC | 2,798,927 | $222.1M | 0.01% | +2,798,927 | New |
| Conestoga Capital Advisors, LLC | 2,804,475 | $222.5M | 4.44% | +27,148+1.0% | Added |
| Vanguard Portfolio Management LLC | 3,353,241 | $266.0M | 0.01% | +3,353,241 | New |
| BlackRock, Inc. | 9,047,272 | $717.8M | 0.01% | −10,375−0.1% | Reduced |
| Yaupon Capital Management LP | 0 | $0 | 0.00% | −192,855−100.0% | Sold out |
| Congruence Capital, LLC | 0 | $0 | 0.00% | −171,186−100.0% | Sold out |
| WCM Investment Management, LLC | 0 | $0 | 0.00% | −156,949−100.0% | Sold out |
| Intrinsic Edge Capital Management LLC | 0 | $0 | 0.00% | −60,000−100.0% | Sold out |
| F/M Investments LLC | 0 | $0 | 0.00% | −52,858−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −28,830−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −20,800−100.0% | Sold out |
| Pacific Capital Partners Ltd | 0 | $0 | 0.00% | −20,750−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −15,831−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −15,799−100.0% | Sold out |
| Davy Global Fund Management Ltd | 0 | $0 | 0.00% | −9,873−100.0% | Sold out |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 0 | $0 | 0.00% | −9,178−100.0% | Sold out |
| RMB Capital Management, LLC | 0 | $0 | 0.00% | −6,451−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −6,226−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −5,312−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −3,941−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −4,004−100.0% | Sold out |
| VARCOV Co. | 0 | $0 | 0.00% | −3,718−100.0% | Sold out |
| Abel Hall, LLC | 0 | $0 | 0.00% | −3,367−100.0% | Sold out |
| First Bank & Trust | 0 | $0 | 0.00% | −3,173−100.0% | Sold out |
| Associated Banc-Corp | 0 | $0 | 0.00% | −3,126−100.0% | Sold out |
| Envestnet Portfolio Solutions, Inc. | 0 | $0 | 0.00% | −2,909−100.0% | Sold out |
| Curated Wealth Partners LLC | 0 | $0 | 0.00% | −2,891−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −2,775−100.0% | Sold out |
| Everhart Financial Group, Inc. | 0 | $0 | 0.00% | −2,734−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −2,459−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −2,353−100.0% | Sold out |
| FourThought Financial Partners, LLC | 0 | $0 | 0.00% | −2,344−100.0% | Sold out |
| WoodTrust Financial Corp | 0 | $0 | 0.00% | −2,250−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −2,091−100.0% | Sold out |
| Shelton Capital Management | 0 | $0 | 0.00% | −2,081−100.0% | Sold out |
| Ethic Inc. | 0 | $0 | 0.00% | −2,070−100.0% | Sold out |
| RSM US Wealth Management LLC | 0 | $0 | 0.00% | −1,995−100.0% | Sold out |
| Harbor Investment Advisory, LLC | 0 | $0 | 0.00% | −1,199−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −1,126−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −617−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −319−100.0% | Sold out |
| Maseco LLP | 0 | $0 | 0.00% | −217−100.0% | Sold out |
| Silicon Valley Capital Partners | 0 | $0 | 0.00% | −190−100.0% | Sold out |
| MCF Advisors LLC | 0 | $0 | 0.00% | −120−100.0% | Sold out |
| Pingora Partners LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Ankerstar Wealth, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Gilpin Wealth Management, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| American Capital Advisory, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| MV Capital Management, Inc. | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Trust Co of Vermont | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| GPS Wealth Strategies Group, LLC | – | – | – | – | Not filed |