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 |
|---|---|---|---|---|---|
| Mutual of America Capital Management LLC | 70,420 | $5.59M | 0.06% | −154−0.2% | Reduced |
| King Luther Capital Management Corp | 71,590 | $5.68M | 0.02% | +5,267+7.9% | Added |
| Oppenheimer Asset Management Inc. | 72,019 | $5.71M | 0.07% | −12,179−14.5% | Reduced |
| Argent Capital Management LLC | 73,097 | $5.80M | 0.18% | +66,765+1,054.4% | Added |
| California State Teachers Retirement System | 74,027 | $5.87M | 0.01% | +15,380+26.2% | Added |
| J. Safra Sarasin Holding AG | 74,219 | $5.87M | 0.10% | +17,241+30.3% | Added |
| Jones Financial Companies LLLP | 82,276 | $6.17M | 0.00% | +79,513+2,877.8% | Added |
| Nicholas Company, Inc. | 79,025 | $6.27M | 0.12% | −393−0.5% | Reduced |
| Impax Asset Management Group plc | 80,000 | $6.35M | 0.04% | 00.0% | Unchanged |
| Natixis Advisors, L.P. | 80,712 | $6.40M | 0.01% | +29,258+56.9% | Added |
| Victory Capital Management Inc | 80,910 | $6.42M | 0.00% | −2,565−3.1% | Reduced |
| Lazard Asset Management LLC | 83,079 | $6.59M | 0.01% | +6,132+8.0% | Added |
| Wells Fargo & Company | 83,297 | $6.61M | 0.00% | −45,119−35.1% | Reduced |
| R.P. Boggs & Co. | 87,102 | $7.10M | 3.41% | +1,179+1.4% | Added |
| Axiom Investors LLC | 92,005 | $7.30M | 0.08% | −109,359−54.3% | Reduced |
| Alliancebernstein L.P. | 76,276 | $7.47M | 0.00% | −2,230−2.8% | Reduced |
| Royal Bank of Canada | 96,947 | $7.69M | 0.00% | −3,569−3.6% | Reduced |
| Gamco Investors, Inc. Et Al | 99,200 | $7.87M | 0.08% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 102,126 | $8.10M | 0.08% | +102,126 | New |
| Boothbay Fund Management, LLC | 111,109 | $8.82M | 0.21% | +22,064+24.8% | Added |
| State of Wisconsin Investment Board | 112,986 | $8.96M | 0.02% | −4,748−4.0% | Reduced |
| Russell Investments Group, Ltd. | 119,559 | $9.49M | 0.01% | −49,861−29.4% | Reduced |
| California Public Employees Retirement System | 120,248 | $9.54M | 0.01% | −37,166−23.6% | Reduced |
| Thrivent Financial for Lutherans | 120,364 | $9.55M | 0.02% | −3,992−3.2% | Reduced |
| Swiss National Bank | 123,600 | $9.81M | 0.01% | +400+0.3% | Added |
| Legal & General Group Plc | 144,081 | $11.4M | 0.00% | −13,471−8.6% | Reduced |
| Fenimore Asset Management Inc | 146,534 | $11.6M | 0.26% | +29,041+24.7% | Added |
| Osterweis Capital Management Inc | 148,270 | $11.8M | 0.61% | −12,465−7.8% | Reduced |
| Jennison Associates LLC | 154,074 | $12.2M | 0.01% | −46,381−23.1% | Reduced |
| Granite Investment Partners, LLC | 163,583 | $13.0M | 0.80% | −9,038−5.2% | Reduced |
| Hallstatt Advisors L.P. | 165,385 | $13.1M | 10.38% | +20,245+13.9% | Added |
| Rhumbline Advisers | 167,841 | $13.3M | 0.01% | +6,482+4.0% | Added |
| Riverbridge Partners LLC | 173,205 | $13.7M | 0.34% | +173,205 | New |
| Nuveen, LLC | 174,944 | $13.9M | 0.00% | −357,199−67.1% | Reduced |
| Credit Agricole S A | 186,341 | $14.8M | 0.05% | −23,057−11.0% | Reduced |
| Summit Creek Advisors LLC | 186,780 | $14.8M | 3.04% | −23,515−11.2% | Reduced |
| Aristotle Capital Boston, LLC | 195,954 | $15.5M | 0.97% | +23,908+13.9% | Added |
| Thornburg Investment Management Inc | 203,167 | $16.1M | 0.17% | −40,870−16.7% | Reduced |
| Kennedy Capital Management, Inc. | 211,037 | $16.7M | 0.35% | +13,067+6.6% | Added |
| Toroso Investments, LLC | 221,882 | $17.6M | 0.05% | +54,807+32.8% | Added |
| Public Sector Pension Investment Board | 223,578 | $17.7M | 0.06% | +7,278+3.4% | Added |
| GW&K Investment Management, LLC | 232,277 | $18.4M | 0.16% | +4,818+2.1% | Added |
| Standard Life Aberdeen plc | 249,564 | $19.8M | 0.03% | +62,572+33.5% | Added |
| Granahan Investment Management Inc | 250,262 | $19.9M | 0.96% | −7,453−2.9% | Reduced |
| Rockefeller Capital Management L.P. | 255,656 | $20.3M | 0.04% | +67,325+35.7% | Added |
| Zimmer Partners, LP | 257,694 | $20.4M | 0.50% | +242,500+1,596.0% | Added |
| Envestnet Asset Management Inc | 276,629 | $21.9M | 0.01% | +19,074+7.4% | Added |
| Harvey Partners, LLC | 281,500 | $22.3M | 1.81% | +85,358+43.5% | Added |
| Raymond James Financial Inc | 284,290 | $22.6M | 0.01% | −20,161−6.6% | Reduced |
| Blair William & Co | 290,464 | $23.0M | 0.07% | +11,343+4.1% | Added |
| Price T Rowe Associates Inc | 292,163 | $23.2M | 0.00% | −63,460−17.8% | Reduced |
| UBS Asset Management Americas Inc | 292,603 | $23.2M | 0.00% | −18,450−5.9% | Reduced |
| Principal Financial Group Inc | 305,665 | $24.3M | 0.01% | +6,742+2.3% | Added |
| Global Alpha Capital Management Ltd. | 325,827 | $25.9M | 1.56% | −2,505−0.8% | Reduced |
| DF Dent & Co Inc | 327,585 | $26.0M | 0.50% | −15,913−4.6% | Reduced |
| Ranger Investment Management, L.P. | 341,689 | $27.1M | 1.96% | −2,545−0.7% | Reduced |
| Franklin Resources Inc | 345,826 | $27.4M | 0.01% | −42,537−11.0% | Reduced |
| Boston Trust Walden Corp | 384,785 | $30.5M | 0.25% | +73,120+23.5% | Added |
| Fifth Third Bancorp | 387,531 | $30.7M | 0.06% | +380,867+5,715.3% | Added |
| Select Equity Group, L.P. | 391,974 | $31.1M | 0.17% | +17,745+4.7% | Added |
| Capital World Investors | 392,100 | $31.1M | 0.00% | +392,100 | New |
| Bank of New York Mellon Corp | 396,195 | $31.4M | 0.01% | −11,993−2.9% | Reduced |
| Woodline Partners LP | 415,406 | $33.0M | 0.12% | +368,270+781.3% | Added |
| Segall Bryant & Hamill, LLC | 426,703 | $33.9M | 0.48% | −9,700−2.2% | Reduced |
| Vanguard Fiduciary Trust Co | 436,116 | $34.6M | 0.01% | +436,116 | New |
| Bank of America Corp | 438,906 | $34.8M | 0.00% | −176,189−28.6% | Reduced |
| Schroder Investment Management Group | 448,049 | $35.1M | 0.03% | +448,049 | New |
| Point72 Asset Management, L.P. | 463,949 | $36.8M | 0.06% | +463,949 | New |
| SEI Investments Co | 525,062 | $41.7M | 0.04% | −33,103−5.9% | Reduced |
| Fred Alger Management, LLC | 526,659 | $41.8M | 0.18% | +78,244+17.4% | Added |
| London Co of Virginia | 532,707 | $42.3M | 0.26% | −14,337−2.6% | Reduced |
| TimesSquare Capital Management, LLC | 574,238 | $45.6M | 0.77% | −23,572−3.9% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 593,009 | $47.0M | 0.05% | +91,913+18.3% | Added |
| Loomis Sayles & Co L P | 608,654 | $48.3M | 0.06% | −42,609−6.5% | Reduced |
| Brown Advisory Inc | 649,492 | $51.5M | 0.08% | −13,137−2.0% | Reduced |
| Charles Schwab Investment Management Inc | 652,700 | $51.8M | 0.01% | −20,056−3.0% | Reduced |
| Northern Trust Corp | 711,776 | $56.5M | 0.01% | +1,903+0.3% | Added |
| Bamco Inc | 718,461 | $57.0M | 0.17% | +272,219+61.0% | Added |
| Voya Investment Management LLC | 724,354 | $57.5M | 0.06% | +37,843+5.5% | Added |
| Allspring Global Investments Holdings, LLC | 721,890 | $58.9M | 0.10% | +22,270+3.2% | Added |
| Ameriprise Financial Inc | 780,338 | $61.9M | 0.01% | +16,282+2.1% | Added |
| Westfield Capital Management Co LP | 822,492 | $65.3M | 0.27% | −842,734−50.6% | Reduced |
| Nomura Asset Management International Inc. | 835,425 | $66.3M | 0.11% | −107,724−11.4% | Reduced |
| Pictet Asset Management Holding SA | 924,375 | $73.3M | 0.08% | −66,276−6.7% | Reduced |
| UBS Group AG | 932,817 | $74.0M | 0.01% | +90,920+10.8% | Added |
| Neuberger Berman Group LLC | 953,777 | $75.7M | 0.06% | −91,632−8.8% | Reduced |
| Goldman Sachs Group Inc | 1,050,770 | $83.4M | 0.01% | +151,385+16.8% | Added |
| Dimensional Fund Advisors LP | 1,067,132 | $84.7M | 0.02% | +31,471+3.0% | Added |
| Earnest Partners LLC | 1,133,077 | $89.9M | 0.37% | −29,480−2.5% | Reduced |
| Clearbridge Investments, LLC | 1,141,729 | $90.6M | 0.08% | +390,870+52.1% | Added |
| Geneva Capital Management LLC | 1,163,087 | $92.3M | 1.96% | −102,237−8.1% | Reduced |
| Morgan Stanley | 1,195,294 | $94.8M | 0.01% | −167,560−12.3% | Reduced |
| Wellington Management Group LLP | 1,211,802 | $96.1M | 0.02% | −95,447−7.3% | Reduced |
| Silvercrest Asset Management Group LLC | 1,252,042 | $99.3M | 0.72% | −96,513−7.2% | Reduced |
| William Blair Investment Management, LLC | 1,257,092 | $99.7M | 0.33% | −211,114−14.4% | Reduced |
| JPMorgan Chase & Co | 1,358,874 | $106.5M | 0.01% | −103,896−7.1% | Reduced |
| Geode Capital Management, LLC | 1,553,163 | $123.3M | 0.01% | +14,360+0.9% | Added |
| Invesco Ltd. | 1,653,438 | $131.2M | 0.01% | −1,050,417−38.8% | Reduced |
| T. Rowe Price Investment Management, Inc. | 1,699,490 | $134.8M | 0.09% | −8,233−0.5% | Reduced |
| Capital International Investors | 1,952,820 | $154.9M | 0.04% | −45,589−2.3% | Reduced |