<?xml version="1.0" encoding="UTF-8"?>
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    <submissionType>MA/A</submissionType>
    <filerInfo>
      <com:filer>
        <com1:filerId>0001805205</com1:filerId>
        <com1:filerCcc>XXXXXXXX</com1:filerCcc>
      </com:filer>
      <com:contact>
        <com1:name>Roxanne</com1:name>
        <com1:phoneNumber>212-751-4422</com1:phoneNumber>
      </com:contact>
      <com:contactEmail>rknobel@dfppartners.com</com:contactEmail>
      <com:notifications>
        <com1:internetNotificationAddress>sbush@momentussecurities.com</com1:internetNotificationAddress>
      </com:notifications>
    </filerInfo>
  </headerData>
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    <firmCrdNumber>307780</firmCrdNumber>
    <irsNum>84-4354884</irsNum>
    <registrations>
      <baseRegistrations>
        <maRegistration>
          <com:fileNumber>867-02718</com:fileNumber>
        </maRegistration>
        <baseRegistrations>
          <com:bdRegistration>
            <com:fileNumber>008-70499</com:fileNumber>
            <com:crdNumber>307780</com:crdNumber>
          </com:bdRegistration>
        </baseRegistrations>
      </baseRegistrations>
    </registrations>
    <principalOfficeAddress>
      <addressInfo>
        <com:address>
          <com1:street1>1350 BROADWAY</com1:street1>
          <com1:street2>ROOM/SUITE 2320</com1:street2>
          <com1:city>NEW YORK</com1:city>
          <com1:stateOrCountry>NY</com1:stateOrCountry>
          <com1:zipCode>10018</com1:zipCode>
        </com:address>
      </addressInfo>
      <phoneNumber>646-989-1120</phoneNumber>
    </principalOfficeAddress>
    <mailingAddressDifferent>N</mailingAddressDifferent>
    <primaryWebAddress>https://momentussecurities.com/</primaryWebAddress>
    <cco>
      <name>
        <com:firstName>Sarah</com:firstName>
        <com:middleName>NMN</com:middleName>
        <com:lastName>Bush</com:lastName>
      </name>
      <address>
        <com:address>
          <com1:street1>485 Madison Ave</com1:street1>
          <com1:street2>15th Floor</com1:street2>
          <com1:city>New York</com1:city>
          <com1:stateOrCountry>NY</com1:stateOrCountry>
          <com1:zipCode>10022</com1:zipCode>
        </com:address>
      </address>
      <phoneNumber>212-751-4422</phoneNumber>
      <email>sbush@momentussecurities.com</email>
    </cco>
    <contactPerson>
      <name>
        <com:firstName>TIAN</com:firstName>
        <com:middleName>NMN</com:middleName>
        <com:lastName>WU</com:lastName>
      </name>
      <address>
        <com:address>
          <com1:street1>1350 Broadway</com1:street1>
          <com1:street2>Suite 2320</com1:street2>
          <com1:city>New York</com1:city>
          <com1:stateOrCountry>NY</com1:stateOrCountry>
          <com1:zipCode>10018</com1:zipCode>
        </com:address>
      </address>
      <phoneNumber>412-425-2226</phoneNumber>
      <email>twu@momentussecurities.com</email>
    </contactPerson>
    <formOfOrganization>
      <formOrgType>
        <formOrgTypes>
          <LLC/>
        </formOrgTypes>
      </formOrgType>
    </formOfOrganization>
    <monthOfFiscalYearEnd>December</monthOfFiscalYearEnd>
    <organizedJurisdiction>
      <com1:stateOrCountry>TX</com1:stateOrCountry>
    </organizedJurisdiction>
    <dateOfOrganization>01-15-2020</dateOfOrganization>
    <isPrcApplicant>N</isPrcApplicant>
    <numberOfEmployees>6</numberOfEmployees>
    <employeesEngagedInMAA>2</employeesEngagedInMAA>
    <maaEmployeesRegBD>2</maaEmployeesRegBD>
    <maaRegIA>0</maaRegIA>
    <numberOfSolicitingFirms>0</numberOfSolicitingFirms>
    <clientsServedAsMA>0</clientsServedAsMA>
    <typesOfClients>
      <typesOfClients>
        <clientTypes>Municipal Entities</clientTypes>
        <clientTypes>Non-profit organizations</clientTypes>
      </typesOfClients>
    </typesOfClients>
    <numberOfSolicitedME>0</numberOfSolicitedME>
    <numberOfSolicitedOP>0</numberOfSolicitedOP>
    <totalNumberOfSolicitedMEAndOP>0</totalNumberOfSolicitedMEAndOP>
    <typesOfSolicitedPersons>
      <solicitationPersonTypes>
        <solicitationPersonTypes>Not Applicable</solicitationPersonTypes>
      </solicitationPersonTypes>
    </typesOfSolicitedPersons>
    <meOrOPCompensationTypes>
      <compensationTypes>
        <compensationTypes>Fixed Fees</compensationTypes>
        <compensationTypes>Contingent Fees</compensationTypes>
      </compensationTypes>
    </meOrOPCompensationTypes>
    <solicitationCompensationTypes>
      <compensationTypes>
        <compensationTypes>Fixed Fees</compensationTypes>
        <compensationTypes>Contingent Fees</compensationTypes>
      </compensationTypes>
    </solicitationCompensationTypes>
    <engagedActivities>
      <engagedActivityTypes>
        <engagedActivityType>Advice Insurance Of MS</engagedActivityType>
      </engagedActivityTypes>
    </engagedActivities>
    <otherActivities>
      <brokerDealers>
        <isActivelyEngaged>Y</isActivelyEngaged>
        <isPrimaryBusiness>Y</isPrimaryBusiness>
      </brokerDealers>
      <lawyers>
        <activelyEngagedPrimaryBusiness/>
        <licensedJurisdictions>50 States, 1 District, 2 Territories</licensedJurisdictions>
      </lawyers>
    </otherActivities>
    <isEngagedInOtherNonMAABusiness>N</isEngagedInOtherNonMAABusiness>
    <fiaAssociatedPersonsTypes>
      <fiaAPTypes>Broker-dealer municipal securities dealer or government securities broker or dealer</fiaAPTypes>
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    <fiaAssociatedPersons>
      <fiaAssociatedPerson>
        <type>
          <com:add>Add</com:add>
        </type>
        <apTypes>
          <fiaAPTypes>Broker-dealer municipal securities dealer or government securities broker or dealer</fiaAPTypes>
        </apTypes>
        <legalName>Jaime Aldama</legalName>
        <primaryBusinessName>Momentus Securities, LLC</primaryBusinessName>
        <otherMunicipalAdviser>
          <isControlOrControlled>Y</isControlOrControlled>
          <isUnderCommonControl>Y</isUnderCommonControl>
          <isRegisteredWithFFRA>N</isRegisteredWithFFRA>
        </otherMunicipalAdviser>
      </fiaAssociatedPerson>
    </fiaAssociatedPersons>
    <participationInterestMACT>
      <mactBuySellFromClients>N</mactBuySellFromClients>
      <mactBuySellRecommendToClients>N</mactBuySellRecommendToClients>
      <mactEnterDerivativesWithClients>N</mactEnterDerivativesWithClients>
      <mactRecommendOwnedInterestToClients>N</mactRecommendOwnedInterestToClients>
      <mactRecommendToClientsServing>N</mactRecommendToClientsServing>
      <mactRecommendToClientsHavingOtherSalesInterest>N</mactRecommendToClientsHavingOtherSalesInterest>
      <mactDiscAuthBuySellAsMAA>N</mactDiscAuthBuySellAsMAA>
      <mactDiscAuthBuySell>N</mactDiscAuthBuySell>
      <mactDiscAuthDetermineBrokerDealer>N</mactDiscAuthDetermineBrokerDealer>
      <mactDiscAuthDetermineCommissionToBrokerDealer>N</mactDiscAuthDetermineCommissionToBrokerDealer>
      <mactRecommendBrokerDealerToClient>N</mactRecommendBrokerDealerToClient>
      <mactCompensateForReferrals>N</mactCompensateForReferrals>
      <mactReceiveCompensationForReferrals>N</mactReceiveCompensationForReferrals>
    </participationInterestMACT>
    <disclosureAnswers>
      <criminalDisclosure>
        <com:isConvictedOfFelony>N</com:isConvictedOfFelony>
        <com:isChargedWithFelony>N</com:isChargedWithFelony>
        <com:isOrgConvictedOfFelony>N</com:isOrgConvictedOfFelony>
        <com:isOrgChargedWithFelony>N</com:isOrgChargedWithFelony>
      </criminalDisclosure>
      <regulatoryDisclosure>
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        <com:isViolatedRegulation>N</com:isViolatedRegulation>
        <com:isCauseOfDenial>N</com:isCauseOfDenial>
        <com:isOrderAgainst>N</com:isOrderAgainst>
        <com:isImposedPenalty>N</com:isImposedPenalty>
        <com:isUnEthical>N</com:isUnEthical>
        <com:isFoundInViolationOfRegulation>N</com:isFoundInViolationOfRegulation>
        <com:isFoundInCauseOfDenial>N</com:isFoundInCauseOfDenial>
        <com:isOrderAgainstActivity>N</com:isOrderAgainstActivity>
        <com:isDeniedLicense>N</com:isDeniedLicense>
        <com:isFoundMadeFalseStatement>N</com:isFoundMadeFalseStatement>
        <com:isFoundInViolationOfRules>N</com:isFoundInViolationOfRules>
        <com:isFoundInCauseOfSuspension>N</com:isFoundInCauseOfSuspension>
        <com:isDiscipliend>N</com:isDiscipliend>
        <com:isAuthorizedToActAttorney>N</com:isAuthorizedToActAttorney>
        <com:isRegulatoryComplaint>N</com:isRegulatoryComplaint>
      </regulatoryDisclosure>
      <civilDisclosure>
        <com:isEnjoined>N</com:isEnjoined>
        <com:isFoundInViolationOfRegulation>N</com:isFoundInViolationOfRegulation>
        <com:isDismissed>N</com:isDismissed>
        <com:isNamedInCivilProceeding>N</com:isNamedInCivilProceeding>
      </civilDisclosure>
    </disclosureAnswers>
    <hasAnnualReceiptsLessThan7Million>N</hasAnnualReceiptsLessThan7Million>
    <isAffiliatedWithReceiptsMoreThan7Million>Y</isAffiliatedWithReceiptsMoreThan7Million>
    <scheduleA>
      <businesses>
        <business>
          <name>Alliance Securities Manager, LLC</name>
          <controPersonPR>N</controPersonPR>
          <empIDNumber>87-4340989</empIDNumber>
          <deFeNp>
            <de/>
          </deFeNp>
          <baseInformation>
            <titleStatus>Managing Member</titleStatus>
            <statusAcquired>02-01-2022</statusAcquired>
            <ownershipCode>E</ownershipCode>
            <isControPerson>Y</isControPerson>
          </baseInformation>
        </business>
      </businesses>
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        <person>
          <name>
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            <com:middleName>NMN</com:middleName>
            <com:lastName>Aldama</com:lastName>
          </name>
          <baseInformation>
            <titleStatus>President</titleStatus>
            <statusAcquired>04-03-2023</statusAcquired>
            <ownershipCode>NA</ownershipCode>
            <isControPerson>Y</isControPerson>
            <crdNumber>5060751</crdNumber>
          </baseInformation>
        </person>
        <person>
          <name>
            <com:firstName>Michael</com:firstName>
            <com:middleName>NMN</com:middleName>
            <com:lastName>Steinberg</com:lastName>
          </name>
          <baseInformation>
            <titleStatus>Chief Compliance Officer</titleStatus>
            <statusAcquired>02-01-2022</statusAcquired>
            <ownershipCode>NA</ownershipCode>
            <isControPerson>N</isControPerson>
            <crdNumber>1062776</crdNumber>
          </baseInformation>
        </person>
        <person>
          <name>
            <com:firstName>Andrew</com:firstName>
            <com:middleName>David</com:middleName>
            <com:lastName>Miller</com:lastName>
          </name>
          <baseInformation>
            <titleStatus>FINOP, PFO &amp; POO</titleStatus>
            <statusAcquired>03-02-2020</statusAcquired>
            <ownershipCode>NA</ownershipCode>
            <isControPerson>N</isControPerson>
            <crdNumber>5106774</crdNumber>
          </baseInformation>
        </person>
      </persons>
    </scheduleA>
    <scheduleB>
      <businesses>
        <business>
          <owningEntity>Parent Company </owningEntity>
          <baseInfo>
            <name>Capital Impact Partners</name>
            <controPersonPR>N</controPersonPR>
            <empIDNumber>84-4354884</empIDNumber>
            <deFeNp>
              <de/>
            </deFeNp>
            <baseInformation>
              <titleStatus>Active</titleStatus>
              <statusAcquired>02-01-2022</statusAcquired>
              <ownershipCode>E</ownershipCode>
              <isControPerson>Y</isControPerson>
            </baseInformation>
          </baseInfo>
        </business>
      </businesses>
    </scheduleB>
    <scheduleC>
      <directBusinesses>
        <business>
          <baseInformation>
            <name>Alliance Securities Manager, LLC</name>
            <controPersonPR>N</controPersonPR>
            <empIDNumber>87-4340989</empIDNumber>
            <deFeNp>
              <de/>
            </deFeNp>
            <baseInformation>
              <titleStatus>Managing Member</titleStatus>
              <statusAcquired>02-01-2022</statusAcquired>
              <ownershipCode>E</ownershipCode>
              <isControPerson>Y</isControPerson>
            </baseInformation>
          </baseInformation>
        </business>
      </directBusinesses>
      <directPersons>
        <person>
          <baseInformation>
            <name>
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              <com:middleName>NMN</com:middleName>
              <com:lastName>Aldama</com:lastName>
            </name>
            <baseInformation>
              <titleStatus>President</titleStatus>
              <statusAcquired>04-03-2023</statusAcquired>
              <ownershipCode>NA</ownershipCode>
              <isControPerson>Y</isControPerson>
              <crdNumber>5060751</crdNumber>
            </baseInformation>
          </baseInformation>
        </person>
        <person>
          <type>
            <com:delete>Delete</com:delete>
          </type>
          <baseInformation>
            <name>
              <com:firstName>Michael</com:firstName>
              <com:middleName>NMN</com:middleName>
              <com:lastName>Steinberg</com:lastName>
            </name>
            <baseInformation>
              <titleStatus>Chief Compliance Officer</titleStatus>
              <statusAcquired>02-01-2022</statusAcquired>
              <ownershipCode>NA</ownershipCode>
              <isControPerson>N</isControPerson>
              <crdNumber>1062776</crdNumber>
            </baseInformation>
          </baseInformation>
        </person>
        <person>
          <baseInformation>
            <name>
              <com:firstName>Andrew</com:firstName>
              <com:middleName>David</com:middleName>
              <com:lastName>Miller</com:lastName>
            </name>
            <baseInformation>
              <titleStatus>FINOP, PFO &amp; POO</titleStatus>
              <statusAcquired>03-02-2020</statusAcquired>
              <ownershipCode>NA</ownershipCode>
              <isControPerson>N</isControPerson>
              <crdNumber>5106774</crdNumber>
            </baseInformation>
          </baseInformation>
        </person>
        <person>
          <type>
            <com:newAdd>NewAdd</com:newAdd>
          </type>
          <baseInformation>
            <name>
              <com:firstName>Sarah</com:firstName>
              <com:middleName>NMN</com:middleName>
              <com:lastName>Bush</com:lastName>
            </name>
            <baseInformation>
              <titleStatus>Chief Compliance Officer </titleStatus>
              <statusAcquired>01-13-2026</statusAcquired>
              <ownershipCode>NA</ownershipCode>
              <isControPerson>N</isControPerson>
              <crdNumber>5841363</crdNumber>
            </baseInformation>
          </baseInformation>
        </person>
      </directPersons>
      <indirectBusinesses>
        <business>
          <baseInformation>
            <owningEntity>Parent Company </owningEntity>
            <baseInfo>
              <name>Capital Impact Partners</name>
              <controPersonPR>N</controPersonPR>
              <empIDNumber>84-4354884</empIDNumber>
              <deFeNp>
                <de/>
              </deFeNp>
              <baseInformation>
                <titleStatus>Active</titleStatus>
                <statusAcquired>02-01-2022</statusAcquired>
                <ownershipCode>E</ownershipCode>
                <isControPerson>Y</isControPerson>
              </baseInformation>
            </baseInfo>
          </baseInformation>
        </business>
      </indirectBusinesses>
    </scheduleC>
    <maExecutionPage>
      <signature>
        <com1:signature>Sarah Bush </com1:signature>
        <com1:signerName>Sarah Bush </com1:signerName>
        <com1:title>Chief Compliance Officer </com1:title>
        <com1:date>01-30-2026</com1:date>
      </signature>
      <crdNumber>307780</crdNumber>
    </maExecutionPage>
    <controls>
      <isSolePropietor>N</isSolePropietor>
      <hasNameChange>N</hasNameChange>
      <hasDBAName>N</hasDBAName>
      <hasPreviousDBAName>N</hasPreviousDBAName>
      <hasAdditionalDBANames>N</hasAdditionalDBANames>
      <hasMATReg>N</hasMATReg>
      <additionalRegs>N</additionalRegs>
      <additionalOffices>N</additionalOffices>
      <hasMailingAddress>N</hasMailingAddress>
      <hasAdditionalWebsites>N</hasAdditionalWebsites>
      <hasBooksRecords>N</hasBooksRecords>
      <isRegisteredFFRA>N</isRegisteredFFRA>
      <isAffiliatedOtherBus>N</isAffiliatedOtherBus>
      <independentBusinessEmployee>N</independentBusinessEmployee>
      <receiveCompensationForMAAFromOtherClients>N</receiveCompensationForMAAFromOtherClients>
      <isSucceedingApplicant>N</isSucceedingApplicant>
      <isCPForApplicantPolicy>N</isCPForApplicantPolicy>
      <isPRCompanyUnder1215>N</isPRCompanyUnder1215>
      <hasScheduleB>Y</hasScheduleB>
      <isSection12Or15ReportingCompany>N</isSection12Or15ReportingCompany>
      <isOtherNonMAABuisinesssPrimary>N</isOtherNonMAABuisinesssPrimary>
    </controls>
  </formData>
</edgarSubmission>
