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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.

Institutional holdersQ4 2025: 393 institutions
Q1 2021: 222 institutionsQ2 2021: 238 institutionsQ3 2021: 236 institutionsQ4 2021: 281 institutionsQ1 2022: 279 institutionsQ2 2022: 266 institutionsQ3 2022: 278 institutionsQ4 2022: 272 institutionsQ1 2023: 267 institutionsQ2 2023: 320 institutionsQ3 2023: 300 institutionsQ4 2023: 309 institutionsQ1 2024: 311 institutionsQ2 2024: 314 institutionsQ3 2024: 345 institutionsQ4 2024: 346 institutionsQ1 2025: 373 institutionsQ2 2025: 393 institutionsQ3 2025: 391 institutionsQ4 2025: 393 institutionsQ1 2026: 407 institutionsQ2 2026: 418 institutions
Value heldQ4 2025: $7.59B
Q1 2021: $3.10BQ2 2021: $3.14BQ3 2021: $3.80BQ4 2021: $4.16BQ1 2022: $4.35BQ2 2022: $3.65BQ3 2022: $3.86BQ4 2022: $3.98BQ1 2023: $4.19BQ2 2023: $5.05BQ3 2023: $4.38BQ4 2023: $4.92BQ1 2024: $5.77BQ2 2024: $5.90BQ3 2024: $6.37BQ4 2024: $6.89BQ1 2025: $7.36BQ2 2025: $7.57BQ3 2025: $6.29BQ4 2025: $7.59BQ1 2026: $5.92BQ2 2026: $7.49B
Institutions holding CWST and their total value by quarter
QuarterHoldersValue
Q2 2026418$7.49B
Q1 2026407$5.92B
Q4 2025393$7.59B
Q3 2025391$6.29B
Q2 2025393$7.57B
Q1 2025373$7.36B
Q4 2024346$6.89B
Q3 2024345$6.37B
Q2 2024314$5.90B
Q1 2024311$5.77B
Q4 2023309$4.92B
Q3 2023300$4.38B
Q2 2023320$5.05B
Q1 2023267$4.19B
Q4 2022272$3.98B
Q3 2022278$3.86B
Q2 2022266$3.65B
Q1 2022279$4.35B
Q4 2021281$4.16B
Q3 2021236$3.80B
Q2 2021238$3.14B
Q1 2021222$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.

Institutions holding CWST in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Teton Advisors, LLC9,910$970.6K0.67%00.0%Unchanged
Searle & Co.11,300$1.11M0.29%−800−6.6%Reduced
Benjamin Edwards Inc11,494$1.13M0.01%+357+3.2%Added
Captrust Financial Advisors11,509$1.13M0.00%+2,355+25.7%Added
PensionDanmark Pensionsforsikringsaktieselskab11,700$1.15M0.01%+11,700New
ProShare Advisors LLC12,226$1.20M0.00%+1,467+13.6%Added
Callan Family Office, LLC12,463$1.22M0.03%+12,463New
Two Sigma Investments, LP12,571$1.23M0.00%+12,571New
Truist Financial Corp13,522$1.32M0.00%−2,559−15.9%Reduced
New York State Teachers Retirement System13,600$1.33M0.00%+13,600New
State of Tennessee, Treasury Department13,830$1.40M0.00%+13,830New
Oregon Public Employees Retirement Fund14,300$1.40M0.02%+14,300New
Allworth Financial LP14,832$1.45M0.01%+13,507+1,019.4%Added
Zimmer Partners, LP15,194$1.49M0.04%−354,806−95.9%Reduced
Portolan Capital Management, LLC15,225$1.49M0.08%00.0%Unchanged
Future Fund LLC15,286$1.50M0.53%+4,777+45.5%Added
One Capital Management, LLC15,333$1.50M0.05%+4,805+45.6%Added
US Bancorp15,374$1.51M0.00%+13,449+698.6%Added
Pinnacle Financial Partners, Inc.15,385$1.51M0.01%+15,385New
Bank of Montreal15,442$1.51M0.00%+4,867+46.0%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys15,474$1.52M0.01%+15,474New
Harbor Capital Advisors, Inc.15,799$1.55M0.12%−644−3.9%Reduced
Polymer Capital Management (US) LLC15,831$1.55M0.20%+15,831New
State Board of Administration of Florida Retirement System15,977$1.56M0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec17,017$1.67M0.01%−6,473−27.6%Reduced
Formula Growth Ltd17,053$1.67M0.64%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey17,075$1.67M0.01%−509−2.9%Reduced
Arizona State Retirement System17,399$1.70M0.01%−1,077−5.8%Reduced
Amalgamated Bank18,178$1.78M0.01%+16,140+792.0%Added
Yousif Capital Management, LLC17,192$1.78M0.02%+17,192New
AQR Capital Management LLC18,723$1.83M0.00%+6,784+56.8%Added
HM Payson & Co19,455$1.91M0.03%00.0%Unchanged
Cetera Investment Advisers19,720$1.93M0.00%+437+2.3%Added
Zurcher Kantonalbank (Zurich Cantonalbank)19,725$1.93M0.00%00.0%Unchanged
Handelsbanken Fonder AB19,800$1.94M0.01%00.0%Unchanged
Citigroup Inc20,487$2.01M0.00%−13,317−39.4%Reduced
Pacific Capital Partners Ltd20,750$2.03M2.16%−11,750−36.2%Reduced
Allianz Asset Management GmbH20,800$2.04M0.00%00.0%Unchanged
HBK Sorce Advisory LLC20,591$2.15M0.05%+19+0.1%Added
Intech Investment Management LLC22,687$2.22M0.02%−2,480−9.9%Reduced
Teachers Retirement System of the State of Kentucky22,841$2.24M0.02%+15,316+203.5%Added
Maven Securities LTD23,133$2.27M0.29%+23,133New
State of New Jersey Common Pension Fund D23,647$2.32M0.01%+2,263+10.6%Added
SG Americas Securities, LLC24,268$2.38M0.00%+12,334+103.4%Added
Glenmede Trust Co NA24,428$2.39M0.01%+24,428New
Janus Henderson Group PLC26,553$2.60M0.00%00.0%Unchanged
Tompkins Financial Corp26,677$2.61M0.20%00.0%Unchanged
KLP Kapitalforvaltning AS27,100$2.65M0.01%+4,200+18.3%Added
Fisher Asset Management, LLC27,677$2.71M0.00%+236+0.9%Added
MML Investors Services, LLC28,246$2.77M0.01%−346−1.2%Reduced
FMR LLC28,555$2.80M0.00%+17,887+167.7%Added
Louisiana State Employees Retirement System28,600$2.80M0.05%+28,600New
SummitTX Capital, L.P.28,830$2.82M0.09%+28,830New
UniSuper Management Pty Ltd29,185$2.86M0.02%−72,818−71.4%Reduced
Mirae Asset Global ETFs Holdings Ltd.29,212$2.86M0.00%−15−0.1%Reduced
Sterling Capital Management LLC30,215$2.96M0.05%+257+0.9%Added
RE Advisers Corp31,600$3.09M0.08%+11,100+54.1%Added
State of Alaska, Department of Revenue31,820$3.12M0.03%+31,820New
Manufacturers Life Insurance Company, The32,271$3.16M0.00%−1,114−3.3%Reduced
LPL Financial LLC32,981$3.23M0.00%+675+2.1%Added
MetLife Investment Management34,466$3.38M0.02%−2,374−6.4%Reduced
Capital International Inc34,984$3.43M0.03%−11,346−24.5%Reduced
Oak Ridge Investments LLC36,041$3.53M0.21%−948−2.6%Reduced
Kraematon Investment Advisors, Inc36,812$3.61M2.87%−480−1.3%Reduced
Holocene Advisors, LP37,145$3.64M0.01%+2,250+6.4%Added
Colony Group, LLC38,557$3.78M0.00%−20.0%Reduced
TD Asset Management Inc39,810$3.90M0.00%+2,348+6.3%Added
Van Eck Associates Corp40,037$3.92M0.00%−11,514−22.3%Reduced
Kornitzer Capital Management Inc43,355$4.25M0.09%+43,355New
Stifel Financial Corp43,373$4.25M0.00%+10,509+32.0%Added
Wealth Enhancement Advisory Services, LLC43,041$4.45M0.01%+1,425+3.4%Added
Universal- Beteiligungs- und Servicegesellschaft mbH46,393$4.54M0.01%−35,024−43.0%Reduced
Woodline Partners LP47,136$4.62M0.02%+47,136New
New York State Common Retirement Fund48,769$4.78M0.01%+268+0.6%Added
Pembroke Management, LTD50,755$4.97M0.51%+50,755New
Natixis Advisors, L.P.51,454$5.04M0.01%+8,161+18.9%Added
Deutsche Bank AG52,355$5.13M0.00%+2,296+4.6%Added
F/M Investments LLC52,858$5.18M0.20%−2,288−4.1%Reduced
Great West Life Assurance Co53,354$5.23M0.01%+45,772+603.7%Added
Brant Point Investment Management LLC53,680$5.26M1.27%+26,600+98.2%Added
Moody Aldrich Partners LLC54,058$5.29M0.99%+20,819+62.6%Added
Public Employees Retirement System of Ohio55,493$5.43M0.02%+55,244+22,186.3%Added
J. Safra Sarasin Holding AG56,978$5.58M0.09%+56,978New
Prudential Financial Inc58,517$5.73M0.01%+50,268+609.4%Added
California State Teachers Retirement System58,647$5.74M0.01%−44−0.1%Reduced
Ensign Peak Advisors, Inc58,995$5.78M0.01%−10,134−14.7%Reduced
Intrinsic Edge Capital Management LLC60,000$5.88M1.14%+60,000New
Creative Planning62,908$6.16M0.00%+33,344+112.8%Added
King Luther Capital Management Corp66,323$6.50M0.03%+7,823+13.4%Added
Pathstone Holdings, LLC68,665$6.73M0.03%+19,346+39.2%Added
B. Metzler seel. Sohn & Co. AG68,754$6.73M0.06%+13,634+24.7%Added
Mutual of America Capital Management LLC70,574$6.91M0.07%+10,475+17.4%Added
Lazard Asset Management LLC76,947$7.54M0.01%−6,728−8.0%Reduced
Alliancebernstein L.P.78,506$7.69M0.00%+6,831+9.5%Added
Nicholas Company, Inc.79,418$7.78M0.14%+9,710+13.9%Added
Impax Asset Management Group plc80,000$7.84M0.05%00.0%Unchanged
Victory Capital Management Inc83,475$8.18M0.00%−107,076−56.2%Reduced
Oppenheimer Asset Management Inc.84,198$8.25M0.10%−1,858−2.2%Reduced
R.P. Boggs & Co.85,923$8.42M3.74%+2,000+2.4%Added
Boothbay Fund Management, LLC89,045$8.72M0.23%+18,896+26.9%Added