<SEC-DOCUMENT>0000895421-25-000545.txt : 20251107
<SEC-HEADER>0000895421-25-000545.hdr.sgml : 20251107
<ACCEPTANCE-DATETIME>20251107114507
ACCESSION NUMBER:		0000895421-25-000545
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20251107
DATE AS OF CHANGE:		20251107

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ClearBridge Energy Midstream Opportunity Fund Inc.
		CENTRAL INDEX KEY:			0001517518
		ORGANIZATION NAME:           	
		EIN:				451474578
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87256
		FILM NUMBER:		251461324

	BUSINESS ADDRESS:	
		STREET 1:		620 EIGHTH AVENUE
		STREET 2:		47TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018
		BUSINESS PHONE:		888-777-0102

	MAIL ADDRESS:	
		STREET 1:		620 EIGHTH AVENUE
		STREET 2:		47TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ClearBridge Energy MLP Opportunity Fund Inc.
		DATE OF NAME CHANGE:	20110406

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MORGAN STANLEY
		CENTRAL INDEX KEY:			0000895421
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		ORGANIZATION NAME:           	02 Finance
		EIN:				363145972
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		1585 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		212-761-4000

	MAIL ADDRESS:	
		STREET 1:		1585 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MORGAN STANLEY DEAN WITTER & CO
		DATE OF NAME CHANGE:	19980326

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DEAN WITTER DISCOVER & CO
		DATE OF NAME CHANGE:	19960315
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
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  <headerData>
    <submissionType>SCHEDULE 13G/A</submissionType>
    <previousAccessionNumber/>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0000895421</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>2</amendmentNo>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>09/30/2025</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0001517518</issuerCik>
        <issuerName>ClearBridge Energy Midstream Opportunity Fund Inc.</issuerName>
        <issuerCusip>18469P209</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>620 EIGHTH AVENUE</com:street1>
          <com:street2>47TH FLOOR</com:street2>
          <com:city>NEW YORK</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10018</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>Morgan Stanley</reportingPersonName>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0</soleVotingPower>
        <sharedVotingPower>832</sharedVotingPower>
        <soleDispositivePower>0</soleDispositivePower>
        <sharedDispositivePower>1535721</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>1535805</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>8.3</classPercent>
      <typeOfReportingPerson>HC</typeOfReportingPerson>
      <typeOfReportingPerson>CO</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>Morgan Stanley Smith Barney LLC</reportingPersonName>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0</soleVotingPower>
        <sharedVotingPower>3</sharedVotingPower>
        <soleDispositivePower>0</soleDispositivePower>
        <sharedDispositivePower>1534891</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>1534891</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>8.3</classPercent>
      <typeOfReportingPerson>BD</typeOfReportingPerson>
      <typeOfReportingPerson>IA</typeOfReportingPerson>
      <typeOfReportingPerson>CO</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>ClearBridge Energy Midstream Opportunity Fund Inc.</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>620 EIGHTH AVENUE, 47TH FLOOR, NEW YORK, NY, 10018</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>1: Morgan Stanley 2: Morgan Stanley Smith Barney LLC</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>1: 1585 Broadway, New York, NY 10036 ;2: 1585 Broadway, New York, NY 10036</principalBusinessOfficeOrResidenceAddress>
        <citizenship>1: Delaware 2: Delaware</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>N</notApplicableFlag>
        <typeOfPersonFiling>BD</typeOfPersonFiling>
        <typeOfPersonFiling>IA</typeOfPersonFiling>
        <typeOfPersonFiling>HC</typeOfPersonFiling>
      </item3>
      <item4>
        <amountBeneficiallyOwned>See the response(s) to Item 9 on the attached cover page(s).</amountBeneficiallyOwned>
        <classPercent>8.3</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>See the response(s) to Item 5 on the attached cover page(s).</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>See the response(s) to Item 6 on the attached cover page(s).</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>See the response(s) to Item 7 on the attached cover page(s).</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>See the response(s) to Item 8 on the attached cover page(s).</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>Y</notApplicableFlag>
        <classOwnership5PercentOrLess>N</classOwnership5PercentOrLess>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
      </item6>
      <item7>
        <notApplicableFlag>N</notApplicableFlag>
        <subsidiaryIdentificationAndClassification>See Exhibit 99.2</subsidiaryIdentificationAndClassification>
      </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.

					*  In Accordance with the Securities and Exchange Commission Release
					No. 34-39538 (January 12, 1998) (the "Release"), this filing reflects the
					securities beneficially owned, or that may be deemed to be beneficially owned,
					by certain operating units (collectively, the "MS Reporting Units") of Morgan
					Stanley and its subsidiaries and affiliates (collectively, "MS").  This filing
					does not reflect securities, if any, beneficially owned by any operating units
					of MS whose ownership of securities is disaggregated from that of the MS
					Reporting Units in accordance with the Release.
					</certifications>
      </item10>
    </items>
    <exhibitInfo>

					EXHIBIT NO.                         EXHIBITS
					------------------         ------------------------------------

					99.1                       Joint Filing Agreement

					99.2                       Item 7 Information

					*  Attention. Intentional misstatements or omissions of fact constitute federal
					criminal violations (see 18 U.S.C. 1001).
				</exhibitInfo>
    <signatureInformation>
      <reportingPersonName>Morgan Stanley</reportingPersonName>
      <signatureDetails>
        <signature>Chris O'Hara</signature>
        <title>Authorized Signatory, Morgan Stanley</title>
        <date>11/07/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>Morgan Stanley Smith Barney LLC</reportingPersonName>
      <signatureDetails>
        <signature>David Galasso</signature>
        <title>Authorized Signatory, Morgan Stanley Smith Barney LLC</title>
        <date>11/07/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>

</edgarSubmission>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1 CHARTER
<SEQUENCE>2
<FILENAME>EXHIBIT_NO.99.1.txt
<DESCRIPTION>EXHIBIT NO. 99.1 TO SCHEDULE 13G JOINT FILING AGREEMENT
<TEXT>
CUSIP No.18469P209                     13G
--------------------------------------------------------------------------------

                       EXHIBIT NO. 99.1 TO SCHEDULE 13G
                            JOINT FILING AGREEMENT
              ---------------------------------------------------


                              November 07, 2025
              ---------------------------------------------------

              MORGAN STANLEY and Morgan Stanley Smith Barney LLC hereby agree

              that, unless differentiated, this Schedule 13G is filed on behalf

              of each of the parties.


           MORGAN STANLEY

           BY: /s/ Chris O'Hara
           ---------------------------------------------------------------------
           Chris O'Hara/Authorized Signatory, Morgan Stanley

           Morgan Stanley Smith Barney LLC

           BY: /s/ David Galasso
           ---------------------------------------------------------------------
           David Galasso/Authorized Signatory,
           Morgan Stanley Smith Barney LLC


*  Attention. Intentional misstatements or omissions of fact constitute federal
criminal violations (see 18 U.S.C. 1001).
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2 OPIN COUNSEL
<SEQUENCE>3
<FILENAME>EXHIBIT_NO.99.2.txt
<DESCRIPTION>EXHIBIT NO. 99.2 ITEM 7 INFORMATION
<TEXT>
CUSIP No.18469P209                     13G
--------------------------------------------------------------------------------

                                 EXHIBIT NO. 99.2
                                ------------------

                                ITEM 7 INFORMATION


             The securities being reported on by Morgan Stanley as a parent

     holding company are owned, or may be deemed to be beneficially owned, by

     Morgan Stanley Smith Barney LLC, a wholly-owned subsidiary of Morgan

     Stanley.

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
