-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 NfRsXQudA2SV/LHT1sCoOMV+B+qFcIT+oWS0KG2UAZnQ/HHlkRIIyew1UzhAN/KV
 lf9n+36sFErm22rP+FFInw==

<SEC-DOCUMENT>0001476063-10-000001.txt : 20100421
<SEC-HEADER>0001476063-10-000001.hdr.sgml : 20100421
<ACCEPTANCE-DATETIME>20100421150816
ACCESSION NUMBER:		0001476063-10-000001
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20100421
DATE AS OF CHANGE:		20100421
EFFECTIVENESS DATE:		20100421

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AEI SerMat Investments II, LLC
		CENTRAL INDEX KEY:			0001476063
		IRS NUMBER:				271228781
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-140927
		FILM NUMBER:		10761601

	BUSINESS ADDRESS:	
		STREET 1:		311 S WACKER DRIVE
		STREET 2:		SUITE 1650
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		804-378-1110

	MAIL ADDRESS:	
		STREET 1:		311 S WACKER DRIVE
		STREET 2:		SUITE 1650
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0704</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001476063</cik>
        <entityName>AEI SerMat Investments II, LLC</entityName>
        <issuerAddress>
            <street1>311 S WACKER DRIVE</street1>
            <street2>SUITE 1650</street2>
            <city>CHICAGO</city>
            <stateOrCountry>IL</stateOrCountry>
            <stateOrCountryDescription>ILLINOIS</stateOrCountryDescription>
            <zipCode>60606</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>804-378-1110</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Liability Company</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2009</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>N/A</firstName>
                <lastName>Advanced Equities Serious Materials Management Corporation</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>311 S Wacker Dr</street1>
                <street2>Suite 1650</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <stateOrCountryDescription>ILLINOIS</stateOrCountryDescription>
                <zipCode>60606</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Managing Member</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Venture Capital Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2010-04-07</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>106000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Christopher Capra</recipientName>
                <recipientCRDNumber>2691295</recipientCRDNumber>
                <associatedBDName>Advanced Equities Inc.</associatedBDName>
                <associatedBDCRDNumber>35545</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>311 S Wacker Dr</street1>
                    <street2>Suite 1650</street2>
                    <city>Chicago</city>
                    <stateOrCountry>IL</stateOrCountry>
                    <stateOrCountryDescription>ILLINOIS</stateOrCountryDescription>
                    <zipCode>60606</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>IL</state>
                    <description>ILLINOIS</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Kevin Graetz</recipientName>
                <recipientCRDNumber>1935982</recipientCRDNumber>
                <associatedBDName>Advanced Equities Inc.</associatedBDName>
                <associatedBDCRDNumber>35545</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>311 S Wacker Dr</street1>
                    <street2>Suite 1650</street2>
                    <city>Chicago</city>
                    <stateOrCountry>IL</stateOrCountry>
                    <stateOrCountryDescription>ILLINOIS</stateOrCountryDescription>
                    <zipCode>60606</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>MD</state>
                    <description>MARYLAND</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Joe Hede</recipientName>
                <recipientCRDNumber>2389098</recipientCRDNumber>
                <associatedBDName>Advanced Equities Inc.</associatedBDName>
                <associatedBDCRDNumber>35545</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>311 S Wacker Dr</street1>
                    <street2>Suite 1650</street2>
                    <city>Chicago</city>
                    <stateOrCountry>IL</stateOrCountry>
                    <stateOrCountryDescription>ILLINOIS</stateOrCountryDescription>
                    <zipCode>60606</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>MD</state>
                    <description>MARYLAND</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Gary Saccaro</recipientName>
                <recipientCRDNumber>1806863</recipientCRDNumber>
                <associatedBDName>Advanced Equities Inc.</associatedBDName>
                <associatedBDCRDNumber>35545</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>311 S Wacker Dr</street1>
                    <street2>Suite 1650</street2>
                    <city>Chicago</city>
                    <stateOrCountry>IL</stateOrCountry>
                    <stateOrCountryDescription>ILLINOIS</stateOrCountryDescription>
                    <zipCode>60606</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <description>CALIFORNIA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>195000</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>3</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>11037</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse>$11,037.74 was taken as markup by Advanced Equities Inc. with the remaining $183,962.26 used to make investments in Serious Materials Inc.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>AEI SerMat Investments II, LLC</issuerName>
                <signatureName>Alex Winks</signatureName>
                <nameOfSigner>Alex Winks</nameOfSigner>
                <signatureTitle>Authorized Signatory</signatureTitle>
                <signatureDate>2010-04-21</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----