StockData
CWSTNasdaqRefuse SystemsFiscal year ends December 31

CASELLA WASTE SYSTEMS INC

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026
$86.54−1.46 (-1.66%)

Close on Oct 19, 2026

Market cap
$5.51B
P/E (TTM)
961.6
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
100.0%
77M of 64M shares
Institutional holders
417
66 new, 52 sold out
Net institutional buying
3M
In Q2 2026
Insider trades, 12 months
0 buys · 28 sales
Net sold $5.64M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
BlackRock, Inc.8,928,73114.30%13G (passive) amendmentDec 31, 2025
Conestoga Capital Advisors3,432,8435.51%13G (passive) amendmentDec 31, 2024
Vanguard Portfolio Management3,407,9175.45%13G (passive)Mar 31, 2026
Vanguard Capital Management3,276,2295.23%13G (passive)Mar 31, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of CWSTValueChange% of portfolio
BlackRock, Inc.9,390,11214.76%$910.56M+342,8400.01%
Wasatch Advisors LP3,531,5945.55%$342.46M+949,3742.24%
Vanguard Portfolio Management LLC3,448,7485.42%$334.43M+95,5070.02%
Vanguard Capital Management LLC2,823,0334.44%$273.75M+24,1060.01%
State Street Corp2,520,1703.96%$244.36M+130,9730.01%
Conestoga Capital Advisors, LLC2,336,1563.67%$226.54M−468,3194.93%
T. Rowe Price Investment Management, Inc.2,078,0223.27%$201.51K+378,5320.13%
Capital International Investors2,054,3993.23%$199.22M+101,5790.04%
Capital Research Global Investors2,028,6463.19%$196.72M−301,5190.03%
Geode Capital Management, LLC1,647,1472.59%$159.75M+93,9840.01%
JPMorgan Chase & Co1,544,1162.43%$145.85M+185,2420.01%
Invesco Ltd.1,459,0092.29%$141.48M−194,4290.01%
Neuberger Berman Group LLC1,434,4632.25%$139.10M+480,6860.09%
Earnest Partners LLC1,399,6982.20%$135.73M+266,6210.49%
Wellington Management Group Llp1,292,1012.03%$125.30M+80,2990.02%
Clearbridge Investments, LLC1,219,8351.92%$118.29M+78,1060.10%
Morgan Stanley1,213,4691.91%$117.67M+18,1750.01%
Dimensional Fund Advisors LP1,184,1961.86%$114.82M+117,0640.02%
Silvercrest Asset Management Group LLC1,181,9411.86%$114.61M−70,1010.75%
Pictet Asset Management Holding SA1,052,3301.65%$102.03M+127,9550.10%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 202641777M100.0%66 / 169126 / 529M7M
Q1 202640775M100.0%69 / 127156 / 4812M8M
Q4 202539378M100.0%85 / 16296 / 7417M7M
Q3 202539168M100.0%58 / 152129 / 528M6M
Q2 202539266M100.0%52 / 128144 / 275M6M
Q1 202537266M100.0%55 / 123124 / 245M3M
Q4 202434565M100.0%43 / 125112 / 385M6M
Q3 202434566M100.0%54 / 126107 / 1912M4M
Q2 202431462M96.9%32 / 12499 / 264M4M
Q1 202431162M97.2%35 / 111105 / 324M3M
Q4 202330961M95.6%51 / 86124 / 367M4M
Q3 202329957M90.2%34 / 13085 / 545M3M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of CWSTValue% of fundAs of
iShares Core S&P Small-Cap ETF3,772,6425.93%$365.83M0.33%Jun 30, 2026
SMALLCAP World Fund Inc3,036,4124.77%$294.44M0.31%Jun 30, 2026
Vanguard Total Stock Market Index Fund1,988,6023.12%$192.83M0.01%Jun 30, 2026
iShares Russell 2000 ETF1,641,3762.58%$159.16M0.19%Jun 30, 2026
Wasatch Core Growth Fund1,491,6202.34%$144.64M4.85%Jun 30, 2026
Vanguard Small-Cap Index Fund1,436,7202.26%$139.32M0.07%Jun 30, 2026
Conestoga Small Cap Fund1,059,7401.67%$102.76M5.03%Jun 30, 2026
Growth Fund962,5151.51%$93.34M0.16%Jun 30, 2026
Vanguard Small-Cap Growth Index Fund829,0071.30%$80.39M0.17%Jun 30, 2026
Vanguard Extended Market Index Fund718,7121.13%$69.69M0.07%Jun 30, 2026
Fidelity Small Cap Index Fund698,4741.10%$62.66M0.18%Jul 31, 2026
Neuberger Genesis Fund685,6581.08%$56.34M0.77%May 31, 2026
iShares Russell 2000 Growth ETF590,3300.93%$57.24M0.37%Jun 30, 2026
State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF574,0560.90%$55.67M0.33%Jun 30, 2026
iShares S&P Small-Cap 600 Growth ETF562,7410.88%$54.57M0.66%Jun 30, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Douglas R. CasellaVICE CHAIRMAN, BD OF DIRECTORS609,9230.96%Aug 14, 2026
Damian Andrew RibarExecutive VP and COO––Aug 12, 2026
Edmond ColettaPRESIDENT & CEO146,6180.23%May 22, 2026
Christopher Alan RainsSr. VP & Chief Revenue Officer9890.00%Mar 17, 2026
Shelley E. SaywardSENIOR VP & GENERAL COUNSEL28,3690.04%Mar 16, 2026
Bradford John HelgesonExecutive VP and CFO7,3420.01%Mar 16, 2026
Sean StevesSr VP & COO of SW Ops9,3750.01%Mar 16, 2026
Kevin DrohanVP & CHIEF ACCOUNTING OFFICER7,8730.01%Mar 16, 2026
Paul LigonSR VP of Sustainable Growth18,3740.03%Aug 5, 2025
Michael K. BurkeDirector13,6410.02%Sep 3, 2026
Emily Nagle GreenDirector22,5490.04%Jun 10, 2026
Gary SovaDirector8,2040.01%Jun 5, 2026
William P. HulliganDirector8,1610.01%Jun 5, 2026
Rose M. KirkDirector9,8350.02%Jun 5, 2026
Michael Louis BattlesDirector10,2890.02%Jun 5, 2026
Joseph DoodyDirector13,1430.02%Jun 5, 2026
John W. CasellaDirector525,5890.83%Jun 2, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Michael K. Burke
Director
Sep 3, 2026Sale−1,100$95.26$104.79K13,641
Michael K. Burke
Director
Aug 26, 2026Sale−1,100$92.99$102.29K14,741
Douglas R. Casella
VICE CHAIRMAN, BD OF DIRECTORS
Aug 14, 2026Sale−1,343$91.12$122.37K90,141
Douglas R. Casella
VICE CHAIRMAN, BD OF DIRECTORS
Aug 13, 2026Sale−13,319$91.07$1.21M91,484
Douglas R. Casella
VICE CHAIRMAN, BD OF DIRECTORS
Aug 13, 2026Sale−1,838$90.89$167.06K104,803
Emily Nagle Green
Director
Jun 8, 2026Gift−600––16,902
Joseph Doody
Director
Jun 4, 2026Award+1,793$83.65$149.98K13,143
Michael K. Burke
Director
Jun 4, 2026Award+1,793$83.65$149.98K15,841
Douglas R. Casella
VICE CHAIRMAN, BD OF DIRECTORS
Jun 4, 2026Award+1,793$83.65$149.98K106,641
Gary Sova
Director
Jun 4, 2026Award+1,793$83.65$149.98K8,204
William P. Hulligan
Director
Jun 4, 2026Award+1,793$83.65$149.98K8,161
Michael Louis Battles
Director
Jun 4, 2026Award+1,793$83.65$149.98K10,289
Rose M. Kirk
Director
Jun 4, 2026Award+1,793$83.65$149.98K9,835
Emily Nagle Green
Director
Jun 4, 2026Award+1,793$83.65$149.98K17,502
John W. Casella
Director
Jun 1, 2026Gift+36,200––170,200
John W. Casella
Director
Jun 1, 2026Gift−36,200––129,800
John W. Casella
Director
Jun 1, 2026Gift−30,800––26,300
John W. Casella
Director
Jun 1, 2026Gift+30,800––167,800
Michael K. Burke
Director
May 26, 2026Sale−2,305$87.56$201.83K14,048
Edmond Coletta
PRESIDENT & CEO
May 19, 2026Sale−6,000$89.03$534.18K146,618
Edmond Coletta
PRESIDENT & CEO
May 19, 2026Sale−1,593$90.00$143.37K145,025
Edmond Coletta
PRESIDENT & CEO
May 19, 2026Sale−4,907$90.07$441.97K140,118
Douglas R. Casella
VICE CHAIRMAN, BD OF DIRECTORS
Mar 18, 2026Gift+40,000––171,000
Douglas R. Casella
VICE CHAIRMAN, BD OF DIRECTORS
Mar 18, 2026Gift−40,000––129,000
Douglas R. Casella
VICE CHAIRMAN, BD OF DIRECTORS
Mar 18, 2026Gift+40,000––177,000
Douglas R. Casella
VICE CHAIRMAN, BD OF DIRECTORS
Mar 17, 2026Gift+33,000––170,000
Douglas R. Casella
VICE CHAIRMAN, BD OF DIRECTORS
Mar 17, 2026Gift−33,000––24,100
Douglas R. Casella
VICE CHAIRMAN, BD OF DIRECTORS
Mar 17, 2026Gift+33,000––164,000
Christopher Alan Rains
Sr. VP & Chief Revenue Officer
Mar 16, 2026Award+989––989
John W. Casella
Director
Mar 16, 2026Sale(10b5-1 plan)−1,744$87.77$153.07K30,795
Bradford John Helgeson
Executive VP and CFO
Mar 16, 2026Sale(10b5-1 plan)−405$87.73$35.53K7,342
Shelley E. Sayward
SENIOR VP & GENERAL COUNSEL
Mar 16, 2026Sale(10b5-1 plan)−362$87.73$31.76K28,369
Sean Steves
Sr VP & COO of SW Ops
Mar 16, 2026Sale(10b5-1 plan)−197$87.80$17.30K9,375
Kevin Drohan
VP & CHIEF ACCOUNTING OFFICER
Mar 16, 2026Sale(10b5-1 plan)−85$87.73$7.46K7,873
Edmond Coletta
PRESIDENT & CEO
Mar 16, 2026Sale(10b5-1 plan)−988$87.81$86.76K152,618
John W. Casella
Director
Mar 12, 2026Sale(10b5-1 plan)−963$90.06$86.73K32,539
John W. Casella
Director
Mar 12, 2026Award+5,513––33,502
Bradford John Helgeson
Executive VP and CFO
Mar 12, 2026Award+2,756––7,747
Shelley E. Sayward
SENIOR VP & GENERAL COUNSEL
Mar 12, 2026Award+1,654––28,860
Shelley E. Sayward
SENIOR VP & GENERAL COUNSEL
Mar 12, 2026Sale(10b5-1 plan)−129$89.71$11.57K28,731
Sean Steves
Sr VP & COO of SW Ops
Mar 12, 2026Sale(10b5-1 plan)−97$89.71$8.70K9,572
Kevin Drohan
VP & CHIEF ACCOUNTING OFFICER
Mar 12, 2026Sale(10b5-1 plan)−55$89.52$4.92K7,958
Kevin Drohan
VP & CHIEF ACCOUNTING OFFICER
Mar 12, 2026Award+551––8,013
Edmond Coletta
PRESIDENT & CEO
Mar 12, 2026Award+6,892––153,983
Edmond Coletta
PRESIDENT & CEO
Mar 12, 2026Sale(10b5-1 plan)−377$89.80$33.85K153,606
Sean Steves
Sr VP & COO of SW Ops
Feb 27, 2026Sale−1,199$92.89$111.38K9,669
Kevin Drohan
VP & CHIEF ACCOUNTING OFFICER
Feb 27, 2026Sale−675$92.61$62.51K7,462
Shelley E. Sayward
SENIOR VP & GENERAL COUNSEL
Feb 27, 2026Sale−1,591$92.91$147.82K27,206
John W. Casella
CHIEF EXECUTIVE OFFICER, Director
Feb 27, 2026Sale−6,726$93.10$626.19K27,989
Edmond Coletta
PRESIDENT
Feb 27, 2026Sale−3,812$93.70$357.18K147,091
Sean Steves
Sr VP & COO of SW Ops
Feb 26, 2026Award+3,433––10,868
Kevin Drohan
VP & CHIEF ACCOUNTING OFFICER
Feb 26, 2026Award+2,452––8,137
Shelley E. Sayward
SENIOR VP & GENERAL COUNSEL
Feb 26, 2026Award+4,598––28,797
John W. Casella
CHIEF EXECUTIVE OFFICER, Director
Feb 26, 2026Award+23,299––34,715
Edmond Coletta
PRESIDENT
Feb 26, 2026Award+9,810––150,903
Edmond Coletta
PRESIDENT
Dec 8, 2025Gift−2,000––148,093
Edmond Coletta
PRESIDENT
Dec 8, 2025Sale−7,000$100.07$700.49K141,093
Douglas R. Casella
VICE CHAIRMAN, BD OF DIRECTORS
Dec 8, 2025Gift−3,900––104,848
Bradford John Helgeson
Executive VP and CFO
Nov 7, 2025Sale(10b5-1 plan)−262$87.65$22.96K4,991
Emily Nagle Green
Director
Nov 5, 2025Gift−1,130––15,709

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Burke Michael
Director
Sep 3, 20261,100$105.56KSep 3, 2026Acquired as compensation -- Restricted Stock Units
Burke Michael
Director
Aug 26, 20261,100$103.11KAug 26, 2026Acquired as compensation -- Restricted Stock Units
Casella Douglas
Director
Aug 14, 20261,343$121.84KAug 14, 2026Acquired from issuer in private transaction
Casella Douglas
Director
Aug 13, 202613,319$1.21MAug 13, 2026Acquired as compensation -- Restricted Stock Units
Douglas R. Casella
Officer, Director
Aug 13, 20261,838$166.99KAug 13, 2026RSU
Burke Michael
Director
May 26, 20262,305$200.79KMay 26, 2026Acquired as compensation -- Restricted Stock Units
Coletta Edmond
Officer
May 19, 20264,907$425.63KMay 19, 2026Acquired as compensation -- Restricted Stock Units
Edmond Coletta
Officer
May 19, 20267,593$677.35KMay 19, 2026RSU
Edmond Coletta
Officer
Mar 16, 2026988$86.76KMar 16, 2026RSU
W. Casella John
Officer
Mar 16, 20261,744$153.07KMar 16, 2026RSU
Bradford John Helgeson
Officer
Mar 16, 2026405$35.53KMar 16, 2026RSU
Sean Steves
Officer
Mar 16, 2026197$17.30KMar 16, 2026RSU
Kevin Drohan
Officer
Mar 16, 202685$7.46KMar 16, 2026RSU
Shelley E. Sayward
Officer
Mar 16, 2026362$31.76KMar 16, 2026RSU
Kevin Drohan
Officer
Mar 12, 202655$4.88KMar 12, 2026RSU