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        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001015821</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



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    <formData>
        <issuerInfo>
            <issuerCik>0001489096</issuerCik>
            <issuerName>THERMON GROUP HOLDINGS INC.</issuerName>
            <secFileNumber>001-35159</secFileNumber>
            <issuerAddress>
                <ns2:street1>7171 SOUTHWEST PARKWAY</ns2:street1>
                <ns2:street2>BUILDING 300, SUITE 200</ns2:street2>
                <ns2:city>AUSTIN</ns2:city>
                <ns2:stateOrCountry>TX</ns2:stateOrCountry>
                <ns2:zipCode>78735</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>5126900600</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DEC TRUST KEVIN J MCGINTY</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Former Board Member</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>2500</noOfUnitsSold>
            <aggregateMarketValue>74720.00</aggregateMarketValue>
            <noOfUnitsOutstanding>33802384</noOfUnitsOutstanding>
            <approxSaleDate>08/15/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>11/15/2018</acquiredDate>
            <natureOfAcquisitionTransaction>Private Acquisition from Issuer/Affiliate</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>2500</amountOfSecuritiesAcquired>
            <paymentDate>11/15/2018</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Kevin McGinty</name>
                <address>
                    <ns2:street1>7171 SOUTHWEST PARKWAY</ns2:street1>
                    <ns2:street2>BUILDING 300, SUITE 200</ns2:street2>
                    <ns2:city>AUSTIN</ns2:city>
                    <ns2:stateOrCountry>TX</ns2:stateOrCountry>
                    <ns2:zipCode>78735</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>THR</securitiesClassTitle>
            <saleDate>06/03/2024</saleDate>
            <amountOfSecuritiesSold>5000</amountOfSecuritiesSold>
            <grossProceeds>163814.43</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>DEC TRUST KEVIN J MCGINTY</name>
                <address>
                    <ns2:street1>7171 SOUTHWEST PARKWAY</ns2:street1>
                    <ns2:street2>BUILDING 300, SUITE 200</ns2:street2>
                    <ns2:city>AUSTIN</ns2:city>
                    <ns2:stateOrCountry>TX</ns2:stateOrCountry>
                    <ns2:zipCode>78735</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>06/03/2024</saleDate>
            <amountOfSecuritiesSold>5000</amountOfSecuritiesSold>
            <grossProceeds>163814.43</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>DEC TRUST KEVIN J MCGINTY</name>
                <address>
                    <ns2:street1>7171 SOUTHWEST PARKWAY</ns2:street1>
                    <ns2:street2>BUILDING 300, SUITE 200</ns2:street2>
                    <ns2:city>AUSTIN</ns2:city>
                    <ns2:stateOrCountry>TX</ns2:stateOrCountry>
                    <ns2:zipCode>78735</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>06/03/2024</saleDate>
            <amountOfSecuritiesSold>5000</amountOfSecuritiesSold>
            <grossProceeds>164175.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>DEC TRUST KEVIN J MCGINTY</name>
                <address>
                    <ns2:street1>7171 SOUTHWEST PARKWAY</ns2:street1>
                    <ns2:street2>BUILDING 300, SUITE 200</ns2:street2>
                    <ns2:city>AUSTIN</ns2:city>
                    <ns2:stateOrCountry>TX</ns2:stateOrCountry>
                    <ns2:zipCode>78735</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>08/08/2024</saleDate>
            <amountOfSecuritiesSold>2652</amountOfSecuritiesSold>
            <grossProceeds>78289.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>08/15/2024</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Kevin J. McGinty</signature>
        </noticeSignature>
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144
0001015821
XXXXXXXX
LIVE
0001489096
THERMON GROUP HOLDINGS INC.
001-35159
7171 SOUTHWEST PARKWAY
BUILDING 300, SUITE 200
AUSTIN
TX
78735
5126900600
DEC TRUST KEVIN J MCGINTY
Former Board Member
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
2500
74720.00
33802384
08/15/2024
NYSE
Common
11/15/2018
Private Acquisition from Issuer/Affiliate
Issuer
N
2500
11/15/2018
Services Rendered
N
Kevin McGinty
7171 SOUTHWEST PARKWAY
BUILDING 300, SUITE 200
AUSTIN
TX
78735
THR
06/03/2024
5000
163814.43
DEC TRUST KEVIN J MCGINTY
7171 SOUTHWEST PARKWAY
BUILDING 300, SUITE 200
AUSTIN
TX
78735
Common
06/03/2024
5000
163814.43
DEC TRUST KEVIN J MCGINTY
7171 SOUTHWEST PARKWAY
BUILDING 300, SUITE 200
AUSTIN
TX
78735
Common
06/03/2024
5000
164175.00
DEC TRUST KEVIN J MCGINTY
7171 SOUTHWEST PARKWAY
BUILDING 300, SUITE 200
AUSTIN
TX
78735
Common
08/08/2024
2652
78289.00
08/15/2024
/s/ Kevin J. McGinty