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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,047,272 | $717.8M | 0.01% | −10,375−0.1% | Reduced |
| Vanguard Portfolio Management LLC | 3,353,241 | $266.0M | 0.01% | +3,353,241 | New |
| Conestoga Capital Advisors, LLC | 2,804,475 | $222.5M | 4.44% | +27,148+1.0% | Added |
| Vanguard Capital Management LLC | 2,798,927 | $222.1M | 0.01% | +2,798,927 | New |
| Wasatch Advisors Inc | 2,582,220 | $204.9M | 1.36% | −1,183,222−31.4% | Reduced |
| State Street Corp | 2,389,197 | $189.6M | 0.01% | +82,417+3.6% | Added |
| Capital Research Global Investors | 2,330,165 | $184.9M | 0.03% | −157,869−6.3% | Reduced |
| Capital International Investors | 1,952,820 | $154.9M | 0.04% | −45,589−2.3% | Reduced |
| T. Rowe Price Investment Management, Inc. | 1,699,490 | $134.8M | 0.09% | −8,233−0.5% | Reduced |
| Invesco Ltd. | 1,653,438 | $131.2M | 0.01% | −1,050,417−38.8% | Reduced |
| Geode Capital Management, LLC | 1,553,163 | $123.3M | 0.01% | +14,360+0.9% | Added |
| JPMorgan Chase & Co | 1,358,874 | $106.5M | 0.01% | −103,896−7.1% | Reduced |
| William Blair Investment Management, LLC | 1,257,092 | $99.7M | 0.33% | −211,114−14.4% | Reduced |
| Silvercrest Asset Management Group LLC | 1,252,042 | $99.3M | 0.72% | −96,513−7.2% | Reduced |
| Wellington Management Group LLP | 1,211,802 | $96.1M | 0.02% | −95,447−7.3% | Reduced |
| Morgan Stanley | 1,195,294 | $94.8M | 0.01% | −167,560−12.3% | Reduced |
| Geneva Capital Management LLC | 1,163,087 | $92.3M | 1.96% | −102,237−8.1% | Reduced |
| Clearbridge Investments, LLC | 1,141,729 | $90.6M | 0.08% | +390,870+52.1% | Added |
| Earnest Partners LLC | 1,133,077 | $89.9M | 0.37% | −29,480−2.5% | Reduced |
| Dimensional Fund Advisors LP | 1,067,132 | $84.7M | 0.02% | +31,471+3.0% | Added |
| Goldman Sachs Group Inc | 1,050,770 | $83.4M | 0.01% | +151,385+16.8% | Added |
| Neuberger Berman Group LLC | 953,777 | $75.7M | 0.06% | −91,632−8.8% | Reduced |
| UBS Group AG | 932,817 | $74.0M | 0.01% | +90,920+10.8% | Added |
| Pictet Asset Management Holding SA | 924,375 | $73.3M | 0.08% | −66,276−6.7% | Reduced |
| Nomura Asset Management International Inc. | 835,425 | $66.3M | 0.11% | −107,724−11.4% | Reduced |
| Westfield Capital Management Co LP | 822,492 | $65.3M | 0.27% | −842,734−50.6% | Reduced |
| Ameriprise Financial Inc | 780,338 | $61.9M | 0.01% | +16,282+2.1% | Added |
| Allspring Global Investments Holdings, LLC | 721,890 | $58.9M | 0.10% | +22,270+3.2% | Added |
| Voya Investment Management LLC | 724,354 | $57.5M | 0.06% | +37,843+5.5% | Added |
| Bamco Inc | 718,461 | $57.0M | 0.17% | +272,219+61.0% | Added |
| Northern Trust Corp | 711,776 | $56.5M | 0.01% | +1,903+0.3% | Added |
| Charles Schwab Investment Management Inc | 652,700 | $51.8M | 0.01% | −20,056−3.0% | Reduced |
| Brown Advisory Inc | 649,492 | $51.5M | 0.08% | −13,137−2.0% | Reduced |
| Loomis Sayles & Co L P | 608,654 | $48.3M | 0.06% | −42,609−6.5% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 593,009 | $47.0M | 0.05% | +91,913+18.3% | Added |
| TimesSquare Capital Management, LLC | 574,238 | $45.6M | 0.77% | −23,572−3.9% | Reduced |
| London Co of Virginia | 532,707 | $42.3M | 0.26% | −14,337−2.6% | Reduced |
| Fred Alger Management, LLC | 526,659 | $41.8M | 0.18% | +78,244+17.4% | Added |
| SEI Investments Co | 525,062 | $41.7M | 0.04% | −33,103−5.9% | Reduced |
| Point72 Asset Management, L.P. | 463,949 | $36.8M | 0.06% | +463,949 | New |
| Schroder Investment Management Group | 448,049 | $35.1M | 0.03% | +448,049 | New |
| Bank of America Corp | 438,906 | $34.8M | 0.00% | −176,189−28.6% | Reduced |
| Vanguard Fiduciary Trust Co | 436,116 | $34.6M | 0.01% | +436,116 | New |
| Segall Bryant & Hamill, LLC | 426,703 | $33.9M | 0.48% | −9,700−2.2% | Reduced |
| Woodline Partners LP | 415,406 | $33.0M | 0.12% | +368,270+781.3% | Added |
| Bank of New York Mellon Corp | 396,195 | $31.4M | 0.01% | −11,993−2.9% | Reduced |
| Capital World Investors | 392,100 | $31.1M | 0.00% | +392,100 | New |
| Select Equity Group, L.P. | 391,974 | $31.1M | 0.17% | +17,745+4.7% | Added |
| Fifth Third Bancorp | 387,531 | $30.7M | 0.06% | +380,867+5,715.3% | Added |
| Boston Trust Walden Corp | 384,785 | $30.5M | 0.25% | +73,120+23.5% | Added |
| Franklin Resources Inc | 345,826 | $27.4M | 0.01% | −42,537−11.0% | Reduced |
| Ranger Investment Management, L.P. | 341,689 | $27.1M | 1.96% | −2,545−0.7% | Reduced |
| DF Dent & Co Inc | 327,585 | $26.0M | 0.50% | −15,913−4.6% | Reduced |
| Global Alpha Capital Management Ltd. | 325,827 | $25.9M | 1.56% | −2,505−0.8% | Reduced |
| Principal Financial Group Inc | 305,665 | $24.3M | 0.01% | +6,742+2.3% | Added |
| UBS Asset Management Americas Inc | 292,603 | $23.2M | 0.00% | −18,450−5.9% | Reduced |
| Price T Rowe Associates Inc | 292,163 | $23.2M | 0.00% | −63,460−17.8% | Reduced |
| Blair William & Co | 290,464 | $23.0M | 0.07% | +11,343+4.1% | Added |
| Raymond James Financial Inc | 284,290 | $22.6M | 0.01% | −20,161−6.6% | Reduced |
| Harvey Partners, LLC | 281,500 | $22.3M | 1.81% | +85,358+43.5% | Added |
| Envestnet Asset Management Inc | 276,629 | $21.9M | 0.01% | +19,074+7.4% | Added |
| Zimmer Partners, LP | 257,694 | $20.4M | 0.50% | +242,500+1,596.0% | Added |
| Rockefeller Capital Management L.P. | 255,656 | $20.3M | 0.04% | +67,325+35.7% | Added |
| Granahan Investment Management Inc | 250,262 | $19.9M | 0.96% | −7,453−2.9% | Reduced |
| Standard Life Aberdeen plc | 249,564 | $19.8M | 0.03% | +62,572+33.5% | Added |
| GW&K Investment Management, LLC | 232,277 | $18.4M | 0.16% | +4,818+2.1% | Added |
| Public Sector Pension Investment Board | 223,578 | $17.7M | 0.06% | +7,278+3.4% | Added |
| Toroso Investments, LLC | 221,882 | $17.6M | 0.05% | +54,807+32.8% | Added |
| Kennedy Capital Management, Inc. | 211,037 | $16.7M | 0.35% | +13,067+6.6% | Added |
| Thornburg Investment Management Inc | 203,167 | $16.1M | 0.17% | −40,870−16.7% | Reduced |
| Aristotle Capital Boston, LLC | 195,954 | $15.5M | 0.97% | +23,908+13.9% | Added |
| Summit Creek Advisors LLC | 186,780 | $14.8M | 3.04% | −23,515−11.2% | Reduced |
| Credit Agricole S A | 186,341 | $14.8M | 0.05% | −23,057−11.0% | Reduced |
| Nuveen, LLC | 174,944 | $13.9M | 0.00% | −357,199−67.1% | Reduced |
| Riverbridge Partners LLC | 173,205 | $13.7M | 0.34% | +173,205 | New |
| Rhumbline Advisers | 167,841 | $13.3M | 0.01% | +6,482+4.0% | Added |
| Hallstatt Advisors L.P. | 165,385 | $13.1M | 10.38% | +20,245+13.9% | Added |
| Granite Investment Partners, LLC | 163,583 | $13.0M | 0.80% | −9,038−5.2% | Reduced |
| Jennison Associates LLC | 154,074 | $12.2M | 0.01% | −46,381−23.1% | Reduced |
| Osterweis Capital Management Inc | 148,270 | $11.8M | 0.61% | −12,465−7.8% | Reduced |
| Fenimore Asset Management Inc | 146,534 | $11.6M | 0.26% | +29,041+24.7% | Added |
| Legal & General Group Plc | 144,081 | $11.4M | 0.00% | −13,471−8.6% | Reduced |
| Swiss National Bank | 123,600 | $9.81M | 0.01% | +400+0.3% | Added |
| Thrivent Financial for Lutherans | 120,364 | $9.55M | 0.02% | −3,992−3.2% | Reduced |
| California Public Employees Retirement System | 120,248 | $9.54M | 0.01% | −37,166−23.6% | Reduced |
| Russell Investments Group, Ltd. | 119,559 | $9.49M | 0.01% | −49,861−29.4% | Reduced |
| State of Wisconsin Investment Board | 112,986 | $8.96M | 0.02% | −4,748−4.0% | Reduced |
| Boothbay Fund Management, LLC | 111,109 | $8.82M | 0.21% | +22,064+24.8% | Added |
| Picton Mahoney Asset Management | 102,126 | $8.10M | 0.08% | +102,126 | New |
| Gamco Investors, Inc. Et Al | 99,200 | $7.87M | 0.08% | 00.0% | Unchanged |
| Royal Bank of Canada | 96,947 | $7.69M | 0.00% | −3,569−3.6% | Reduced |
| Alliancebernstein L.P. | 76,276 | $7.47M | 0.00% | −2,230−2.8% | Reduced |
| Axiom Investors LLC | 92,005 | $7.30M | 0.08% | −109,359−54.3% | Reduced |
| R.P. Boggs & Co. | 87,102 | $7.10M | 3.41% | +1,179+1.4% | Added |
| Wells Fargo & Company | 83,297 | $6.61M | 0.00% | −45,119−35.1% | Reduced |
| Lazard Asset Management LLC | 83,079 | $6.59M | 0.01% | +6,132+8.0% | Added |
| Victory Capital Management Inc | 80,910 | $6.42M | 0.00% | −2,565−3.1% | Reduced |
| Natixis Advisors, L.P. | 80,712 | $6.40M | 0.01% | +29,258+56.9% | Added |
| Impax Asset Management Group plc | 80,000 | $6.35M | 0.04% | 00.0% | Unchanged |
| Nicholas Company, Inc. | 79,025 | $6.27M | 0.12% | −393−0.5% | Reduced |