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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, 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.

Institutional holdersQ1 2026: 407 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 heldQ1 2026: $5.92B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Casella Waste Systems Inc; share changes are against Q4 2025.

Institutions holding CWST in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Jones Financial Companies LLLP82,276$6.17M0.00%+79,513+2,877.8%Added
J. Safra Sarasin Holding AG74,219$5.87M0.10%+17,241+30.3%Added
California State Teachers Retirement System74,027$5.87M0.01%+15,380+26.2%Added
Argent Capital Management LLC73,097$5.80M0.18%+66,765+1,054.4%Added
Oppenheimer Asset Management Inc.72,019$5.71M0.07%−12,179−14.5%Reduced
King Luther Capital Management Corp71,590$5.68M0.02%+5,267+7.9%Added
Mutual of America Capital Management LLC70,420$5.59M0.06%−154−0.2%Reduced
Maven Securities LTD70,078$5.56M0.32%+46,945+202.9%Added
Ensign Peak Advisors, Inc67,329$5.34M0.01%+8,334+14.1%Added
4D Advisors, LLC65,000$5.16M3.27%−30,000−31.6%Reduced
Congress Asset Management Co64,938$5.15M0.04%+64,938New
Prudential Financial Inc63,897$5.07M0.01%+5,380+9.2%Added
Roubaix Capital, LLC62,772$4.98M2.32%+62,772New
Deutsche Bank AG58,114$4.61M0.00%+5,759+11.0%Added
American Century Companies Inc56,594$4.49M0.00%+48,621+609.8%Added
Vanguard Asset Management, Ltd54,724$4.34M0.00%+54,724New
Pathstone Holdings, LLC52,579$4.17M0.02%−16,086−23.4%Reduced
Atom Investors LP52,359$4.15M0.30%−70,316−57.3%Reduced
Stifel Financial Corp52,280$4.15M0.00%+8,907+20.5%Added
ExodusPoint Capital Management, LP52,251$4.15M0.04%+52,251New
Brant Point Investment Management LLC52,043$4.13M1.13%−1,637−3.0%Reduced
Great West Life Assurance Co51,105$4.06M0.01%−2,249−4.2%Reduced
Emerald Investment Advisers, LLC50,999$4.05M0.36%+50,999New
Campbell & CO Investment Adviser LLC49,394$3.92M0.22%+49,394New
New York State Common Retirement Fund48,769$3.87M0.01%00.0%Unchanged
First Trust Advisors LP48,429$3.84M0.00%+44,604+1,166.1%Added
Y-Intercept (Hong Kong) Ltd46,878$3.72M0.07%+46,878New
Universal- Beteiligungs- und Servicegesellschaft mbH46,013$3.65M0.01%−380−0.8%Reduced
Capital International Inc44,993$3.57M0.03%+10,009+28.6%Added
Wealth Enhancement Advisory Services, LLC40,527$3.53M0.01%−2,514−5.8%Reduced
Kornitzer Capital Management Inc44,115$3.50M0.08%+760+1.8%Added
TD Asset Management Inc41,464$3.29M0.00%+1,654+4.2%Added
Oak Ridge Investments LLC36,553$2.90M0.19%+512+1.4%Added
Kraematon Investment Advisors, Inc36,142$2.87M2.33%−670−1.8%Reduced
Colony Group, LLC35,869$2.85M0.00%−2,688−7.0%Reduced
SMA Capital LLC35,000$2.78M1.20%+35,000New
Citadel Advisors LLC34,749$2.76M0.00%−430,023−92.5%Reduced
MetLife Investment Management34,294$2.72M0.01%−172−0.5%Reduced
Illinois Municipal Retirement Fund33,502$2.66M0.03%+33,502New
XTX Topco Ltd33,481$2.66M0.05%+33,481New
B. Metzler seel. Sohn & Co. AG32,407$2.57M0.02%−36,347−52.9%Reduced
Van Eck Associates Corp32,013$2.54M0.00%−8,024−20.0%Reduced
RE Advisers Corp31,600$2.51M0.07%00.0%Unchanged
LPL Financial LLC31,103$2.47M0.00%−1,878−5.7%Reduced
Susquehanna International Group, LLP30,905$2.45M0.00%+30,905New
Private Advisor Group, LLC30,876$2.45M0.01%+25,193+443.3%Added
State of Alaska, Department of Revenue30,855$2.45M0.03%−965−3.0%Reduced
Manufacturers Life Insurance Company, The30,458$2.42M0.00%−1,813−5.6%Reduced
SG Americas Securities, LLC30,079$2.39M0.00%+5,811+23.9%Added
Mirae Asset Global ETFs Holdings Ltd.29,512$2.34M0.00%+300+1.0%Added
UniSuper Management Pty Ltd29,185$2.32M0.02%00.0%Unchanged
Moody Aldrich Partners LLC28,805$2.29M0.41%−25,253−46.7%Reduced
Empowered Funds, LLC28,452$2.26M0.01%+28,452New
SG Capital Management LLC28,442$2.26M0.19%−135,284−82.6%Reduced
Fisher Asset Management, LLC27,744$2.20M0.00%+67+0.2%Added
Louisiana State Employees Retirement System27,700$2.20M0.04%−900−3.1%Reduced
KLP Kapitalforvaltning AS26,800$2.13M0.01%−300−1.1%Reduced
Tompkins Financial Corp26,677$2.12M0.17%00.0%Unchanged
Janus Henderson Group PLC26,553$2.11M0.00%00.0%Unchanged
Gradient Investments LLC25,720$2.04M0.03%+25,720New
Creative Planning25,375$2.01M0.00%−37,533−59.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)25,197$2.00M0.00%+5,472+27.7%Added
Vanguard Global Advisers, LLC25,167$2.00M0.00%+25,167New
MML Investors Services, LLC24,411$1.94M0.01%−3,835−13.6%Reduced
Landscape Capital Management, L.L.C.24,222$1.92M0.12%+24,222New
State of New Jersey Common Pension Fund D23,647$1.88M0.01%00.0%Unchanged
Exchange Traded Concepts, LLC23,421$1.86M0.01%+23,421New
HBK Sorce Advisory LLC20,537$1.75M0.04%−54−0.3%Reduced
Cetera Investment Advisers21,549$1.71M0.00%+1,829+9.3%Added
Glenmede Trust Co NA20,222$1.60M0.01%−4,206−17.2%Reduced
Handelsbanken Fonder AB19,800$1.57M0.01%00.0%Unchanged
One Capital Management, LLC19,484$1.55M0.04%+4,151+27.1%Added
Future Fund LLC19,437$1.54M0.54%+4,151+27.2%Added
HM Payson & Co18,467$1.47M0.02%−988−5.1%Reduced
Amalgamated Bank17,980$1.43M0.01%−198−1.1%Reduced
Arizona State Retirement System17,168$1.36M0.01%−231−1.3%Reduced
Yousif Capital Management, LLC17,083$1.36M0.02%−109−0.6%Reduced
Police & Firemen's Retirement System of New Jersey17,075$1.35M0.01%00.0%Unchanged
Pembroke Management, LTD17,073$1.35M0.20%−33,682−66.4%Reduced
Formula Growth Ltd17,053$1.35M0.61%00.0%Unchanged
Sterling Capital Management LLC16,671$1.32M0.03%−13,544−44.8%Reduced
Dynamic Technology Lab Private Ltd16,652$1.32M0.22%+12,762+328.1%Added
AQR Capital Management LLC16,075$1.28M0.00%−2,648−14.1%Reduced
State Board of Administration of Florida Retirement System15,977$1.27M0.00%00.0%Unchanged
Vanguard Investments Australia, Ltd.15,971$1.27M0.00%+15,971New
Teachers Retirement System of the State of Kentucky15,500$1.23M0.01%−7,341−32.1%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys15,457$1.23M0.01%−17−0.1%Reduced
State of Tennessee, Treasury Department15,183$1.20M0.00%+1,353+9.8%Added
Pinnacle Financial Partners, Inc.15,183$1.20M0.01%−202−1.3%Reduced
Portolan Capital Management, LLC15,100$1.20M0.06%−125−0.8%Reduced
Bank of Montreal14,950$1.19M0.00%−492−3.2%Reduced
Citigroup Inc14,585$1.16M0.00%−5,902−28.8%Reduced
Marshall Wace, LLP14,539$1.15M0.00%+14,539New
Oregon Public Employees Retirement Fund14,300$1.13M0.01%00.0%Unchanged
Callan Family Office, LLC14,271$1.13M0.03%+1,808+14.5%Added
BNP Paribas Arbitrage, SA14,153$1.12M0.00%−163,069−92.0%Reduced
US Bancorp13,980$1.11M0.00%−1,394−9.1%Reduced
Allworth Financial LP13,819$1.10M0.00%−1,013−6.8%Reduced
Blueshift Asset Management, LLC13,739$1.09M0.33%+5,387+64.5%Added
Intech Investment Management LLC13,435$1.07M0.01%−9,252−40.8%Reduced