<SEC-DOCUMENT>0001085146-25-000107.txt : 20250110
<SEC-HEADER>0001085146-25-000107.hdr.sgml : 20250110
<ACCEPTANCE-DATETIME>20250110112529
ACCESSION NUMBER:		0001085146-25-000107
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250110

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CASELLA WASTE SYSTEMS INC
		CENTRAL INDEX KEY:			0000911177
		STANDARD INDUSTRIAL CLASSIFICATION:	REFUSE SYSTEMS [4953]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				030338873
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-52063
		FILM NUMBER:		25521454

	BUSINESS ADDRESS:	
		STREET 1:		25 GREENS HILL ROAD
		CITY:			RUTLAND
		STATE:			VT
		ZIP:			05701
		BUSINESS PHONE:		8027750325

	MAIL ADDRESS:	
		STREET 1:		25 GREENS HILL ROAD
		CITY:			RUTLAND
		STATE:			VT
		ZIP:			05701

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Conestoga Capital Advisors, LLC
		CENTRAL INDEX KEY:			0001163744
		ORGANIZATION NAME:           	
		IRS NUMBER:				233072906
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		550 E. SWEDESFORD ROAD
		STREET 2:		SUITE 120
		CITY:			WAYNE
		STATE:			PA
		ZIP:			19087
		BUSINESS PHONE:		484-654-1380

	MAIL ADDRESS:	
		STREET 1:		550 E. SWEDESFORD ROAD
		STREET 2:		SUITE 120
		CITY:			WAYNE
		STATE:			PA
		ZIP:			19087

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CONESTOGA CAPITAL ADVISORS LLC
		DATE OF NAME CHANGE:	20011217
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>SCHEDULE 13G/A</submissionType>
    <previousAccessionNumber>0001085146-21-000004</previousAccessionNumber>
    <filerInfo>
      <filer>
        <filerCredentials>
          <!-- Field: Pseudo-Tag; ID: Name; Data: Conestoga Capital Advisors, LLC -->
          <cik>0001163744</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>4</amendmentNo>
      <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>12/31/2024</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0000911177</issuerCik>
        <issuerName>CASELLA WASTE SYSTEMS INC</issuerName>
        <issuerCusip>147448104</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>25 GREENS HILL ROAD</com:street1>
          <com:city>RUTLAND</com:city>
          <com:stateOrCountry>VT</com:stateOrCountry>
          <com:zipCode>05701</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>Conestoga Capital Advisors</reportingPersonName>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>3235127.00</soleVotingPower>
        <sharedVotingPower>0.00</sharedVotingPower>
        <soleDispositivePower>3432843.00</soleDispositivePower>
        <sharedDispositivePower>0.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>3432843.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>Y</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>5.51</classPercent>
      <typeOfReportingPerson>IA</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>CASELLA WASTE SYSTEMS INC</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>25 GREENS HILL ROAD RUTLAND, VERMONT 05701</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>Conestoga Capital Advisors</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>550 E. SWEDESFORD ROAD
SUITE 120
WAYNE, Pennsylvania
19087</principalBusinessOfficeOrResidenceAddress>
        <citizenship>Conestoga Capital Advisors - DELAWARE</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>N</notApplicableFlag>
        <typeOfPersonFiling>IA</typeOfPersonFiling>
      </item3>
      <item4>
        <amountBeneficiallyOwned>3,432,843</amountBeneficiallyOwned>
        <classPercent>5.51</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>Conestoga Capital Advisors - 3235127</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>Conestoga Capital Advisors - 0</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>Conestoga Capital Advisors - 3432843</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>Conestoga Capital Advisors - 0</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>Y</notApplicableFlag>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
      </item6>
      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </item7>
      <item8>
        <notApplicableFlag>Y</notApplicableFlag>
      </item8>
      <item9>
        <notApplicableFlag>Y</notApplicableFlag>
      </item9>
      <item10>
        <notApplicableFlag>N</notApplicableFlag>
        <certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.</certifications>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>Conestoga Capital Advisors</reportingPersonName>
      <signatureDetails>
        <signature>Duane R. D'Orazio</signature>
        <title>Managing Partner</title>
        <date>01/10/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
</edgarSubmission>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
