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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, Q2 2025

Institutional positions in Casella Waste Systems Inc as of Jun 30, 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
+25 vs. Q1 2025
Shares held
65.5M
−207.5K (−0.3%) vs. Q1 2025
Total value
$7.57B
+$214.2M (+2.9%) vs. Q1 2025
New holders
52
129 more added
Sold out
27
143 more reduced

5 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 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 heldQ2 2025: $7.57B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Casella Waste Systems Inc; share changes are against Q1 2025.

Institutions holding CWST in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc6,069,969$700.4M0.01%+24,639+0.4%Added
BlackRock, Inc.4,645,551$536.0M0.01%−7,785−0.2%Reduced
Wasatch Advisors Inc3,412,123$393.7M2.06%+428,909+14.4%Added
Conestoga Capital Advisors, LLC2,680,114$309.2M4.57%−199,318−6.9%Reduced
Invesco Ltd.2,597,599$299.7M0.05%+432,589+20.0%Added
Capital International Investors1,960,075$226.2M0.04%+535,304+37.6%Added
William Blair Investment Management, LLC1,800,155$207.7M0.55%−416,110−18.8%Reduced
JPMorgan Chase & Co1,709,887$197.3M0.01%−147,572−7.9%Reduced
Westfield Capital Management Co LP1,552,307$179.1M0.75%+44,464+2.9%Added
Geode Capital Management, LLC1,500,083$173.1M0.01%+12,016+0.8%Added
Capital Research Global Investors1,443,931$166.6M0.03%+357,610+32.9%Added
State Street Corp1,432,883$165.3M0.01%−4,029−0.3%Reduced
Ameriprise Financial Inc1,310,190$151.2M0.04%−169,706−11.5%Reduced
Earnest Partners LLC1,264,159$145.9M0.66%−322,599−20.3%Reduced
Macquarie Group Ltd1,138,625$131.4M0.16%+25,162+2.3%Added
Silvercrest Asset Management Group LLC1,130,873$130.5M0.88%−22,650−2.0%Reduced
Geneva Capital Management LLC1,084,257$125.1M2.09%+60,102+5.9%Added
Wellington Management Group LLP1,073,443$123.9M0.02%−303,541−22.0%Reduced
T. Rowe Price Investment Management, Inc.1,046,601$120.8M0.08%−373,198−26.3%Reduced
American Century Companies Inc942,543$108.8M0.06%+154,870+19.7%Added
Dimensional Fund Advisors LP869,034$100.3M0.02%−16,243−1.8%Reduced
Alliancebernstein L.P.867,285$100.1M0.03%+795,414+1,106.7%Added
Neuberger Berman Group LLC801,396$92.5M0.07%−13,477−1.7%Reduced
Brown Advisory Inc750,156$86.6M0.11%−249,499−25.0%Reduced
Loomis Sayles & Co L P716,556$82.7M0.10%−136,452−16.0%Reduced
Morgan Stanley702,179$81.0M0.01%−84,451−10.7%Reduced
Allspring Global Investments Holdings, LLC701,706$80.6M0.13%−78,573−10.1%Reduced
Fred Alger Management, LLC676,028$78.0M0.35%−117,557−14.8%Reduced
Northern Trust Corp673,033$77.7M0.01%−106,612−13.7%Reduced
Franklin Resources Inc652,259$75.3M0.02%+52,966+8.8%Added
London Co of Virginia649,499$74.9M0.42%−2,644−0.4%Reduced
Goldman Sachs Group Inc644,736$74.4M0.01%+108,402+20.2%Added
Charles Schwab Investment Management Inc606,524$70.0M0.01%+5,352+0.9%Added
SEI Investments Co540,752$62.4M0.07%+52,809+10.8%Added
Global Alpha Capital Management Ltd.526,565$60.8M3.79%+131,623+33.3%Added
TimesSquare Capital Management, LLC501,029$57.8M0.83%+46,290+10.2%Added
Comerica Bank494,736$57.1M0.22%+3,052+0.6%Added
Bank of New York Mellon Corp485,547$56.0M0.01%−254,453−34.4%Reduced
Norges Bank484,902$55.9M0.01%+63,263+15.0%Added
Jennison Associates LLC432,039$49.8M0.03%+29,160+7.2%Added
Nuveen, LLC430,125$49.6M0.01%−12,737−2.9%Reduced
UBS Asset Management Americas Inc398,996$46.0M0.01%+80,961+25.5%Added
Bank of America Corp365,811$42.2M0.00%+1,379+0.4%Added
Segall Bryant & Hamill, LLC364,693$42.1M0.59%+33,106+10.0%Added
Royal Bank of Canada362,383$41.8M0.01%+239,465+194.8%Added
Granahan Investment Management Inc312,408$36.0M1.47%−30,570−8.9%Reduced
Voya Investment Management LLC311,685$36.0M0.04%−138,426−30.8%Reduced
DF Dent & Co Inc300,099$34.6M0.44%+11,243+3.9%Added
Ranger Investment Management, L.P.299,570$34.6M2.41%−76,802−20.4%Reduced
Price T Rowe Associates Inc289,746$33.4M0.00%+3,997+1.4%Added
Raymond James Financial Inc289,500$33.4M0.01%−6,007−2.0%Reduced
Envestnet Asset Management Inc287,535$33.2M0.01%−15,600−5.1%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.276,890$31.9M0.08%−79,795−22.4%Reduced
Bessemer Group Inc269,509$31.1M0.05%−18,915−6.6%Reduced
Thornburg Investment Management Inc255,510$29.5M0.38%−24,366−8.7%Reduced
Select Equity Group, L.P.231,994$26.8M0.11%+26,199+12.7%Added
California Public Employees Retirement System223,093$25.7M0.02%−26,977−10.8%Reduced
Jane Street Group, LLC206,140$23.8M0.04%+136,291+195.1%Added
Standard Life Aberdeen plc203,121$23.4M0.04%−73,419−26.5%Reduced
Aristotle Capital Boston, LLC191,795$22.1M1.13%−10,969−5.4%Reduced
Clearbridge Investments, LLC190,235$21.9M0.02%+25,004+15.1%Added
GW&K Investment Management, LLC187,817$21.7M0.19%−18,256−8.9%Reduced
Summit Creek Advisors LLC187,109$21.6M3.00%+8,072+4.5%Added
Granite Investment Partners, LLC182,963$21.1M1.03%−178,265−49.3%Reduced
Blair William & Co173,525$20.0M0.06%+21,504+14.1%Added
WCM Investment Management, LLC167,213$19.3M0.04%−22,129−11.7%Reduced
Healthcare of Ontario Pension Plan Trust Fund150,000$17.3M0.03%−150,000−50.0%Reduced
Zimmer Partners, LP148,500$17.1M0.39%+41,000+38.1%Added
Kennedy Capital Management, Inc.144,382$16.7M0.40%−11,128−7.2%Reduced
Ensign Peak Advisors, Inc144,018$16.6M0.03%−9,522−6.2%Reduced
Barclays PLC141,518$16.3M0.01%−111,835−44.1%Reduced
Russell Investments Group, Ltd.133,346$15.4M0.02%−6,192−4.4%Reduced
Visualize Group LP19,695$15.1M6.18%−59,271−75.1%Reduced
Harvey Partners, LLC130,325$15.0M1.50%+130,325New
Axiom Investors LLC124,332$14.3M0.12%+2,872+2.4%Added
Swiss National Bank119,100$13.7M0.01%−1,700−1.4%Reduced
State of Wisconsin Investment Board114,577$13.2M0.03%−2,574−2.2%Reduced
Rockefeller Capital Management L.P.113,112$13.1M0.03%−13,188−10.4%Reduced
Victory Capital Management Inc109,687$12.7M0.01%+63,319+136.6%Added
Asset Management One Co.,Ltd.109,020$12.6M0.04%−61,683−36.1%Reduced
UBS Group AG105,760$12.2M0.00%−16,980−13.8%Reduced
Thrivent Financial for Lutherans105,116$12.1M0.03%−6,311−5.7%Reduced
Susquehanna International Group, LLP100,887$11.6M0.02%−47,051−31.8%Reduced
Toroso Investments, LLC99,659$11.5M0.08%−10,939−9.9%Reduced
Gamco Investors, Inc. Et Al99,200$11.4M0.11%00.0%Unchanged
Rhumbline Advisers96,602$11.1M0.01%+4,882+5.3%Added
Wells Fargo & Company95,928$11.1M0.00%−7,749−7.5%Reduced
Nicholas Investment Partners, LP90,805$10.5M0.93%+42,851+89.4%Added
Man Group plc88,701$10.2M0.02%+88,701New
Oppenheimer Asset Management Inc.85,445$9.86M0.11%−5,011−5.5%Reduced
R.P. Boggs & Co.82,446$9.51M4.84%+1,549+1.9%Added
Lazard Asset Management LLC80,852$9.33M0.01%+23,686+41.4%Added
UniSuper Management Pty Ltd72,398$8.35M0.06%+45,253+166.7%Added
Legal & General Group Plc71,373$8.24M0.00%+5,342+8.1%Added
Universal- Beteiligungs- und Servicegesellschaft mbH71,210$8.22M0.01%+11,410+19.1%Added
Citigroup Inc69,531$8.02M0.01%−477−0.7%Reduced
Harbor Capital Advisors, Inc.67,800$7.82M0.33%+3,942+6.2%Added
D. E. Shaw & Co., Inc.61,997$7.15M0.01%+61,997New
Impax Asset Management Group plc60,000$6.92M0.04%00.0%Unchanged
Pathstone Holdings, LLC59,990$6.92M0.03%+4,565+8.2%Added