<SEC-DOCUMENT>0001752724-25-174672.txt : 20250723
<SEC-HEADER>0001752724-25-174672.hdr.sgml : 20250723
<ACCEPTANCE-DATETIME>20250723115628
ACCESSION NUMBER:		0001752724-25-174672
CONFORMED SUBMISSION TYPE:	NPORT-P
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250530
FILED AS OF DATE:		20250723
DATE AS OF CHANGE:		20250723
PERIOD START:           	20251130

FILER:

	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:		NPORT-P
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-22546
		FILM NUMBER:		251142297

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>NPORT-P
<SEQUENCE>1
<FILENAME>primary_doc.xml
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        <name>JPMorgan 100% US Treasury Securities Money Market Fund</name>
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        <name>Plains All American Pipeline L</name>
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        <name>Kinder Morgan Inc</name>
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        <name>Genesis Energy LP</name>
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        <name>DT Midstream Inc</name>
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        <name>Hess Midstream LP</name>
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        <name>Enbridge Inc</name>
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        <name>Delek Logistics Partners LP</name>
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        <name>Western Midstream Partners LP</name>
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        <cusip>958669103</cusip>
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          <isin value="US9586691035"/>
          <ticker value="WES"/>
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        <balance>2232943.00000000</balance>
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        <name>Sunoco LP</name>
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      <invstOrSec>
        <name>Enterprise Products Partners L</name>
        <lei>K4CDIF4M54DJZ6TB4Q48</lei>
        <title>Enterprise Products Partners LP</title>
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          <ticker value="EPD"/>
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      <invstOrSec>
        <name>Williams Cos Inc/The</name>
        <lei>D71FAKCBLFS2O0RBPG08</lei>
        <title>Williams Cos Inc/The</title>
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      <invstOrSec>
        <name>Energy Transfer LP</name>
        <lei>MTLVN9N7JE8MIBIJ1H73</lei>
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          <ticker value="ET"/>
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        <name>TARGA RESOURCES CORP</name>
        <lei>5493003QENHHS261UR94</lei>
        <title>TARGA RESOURCES CORP</title>
        <cusip>87612G101</cusip>
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          <isin value="US87612G1013"/>
          <ticker value="TRGP"/>
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      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2025-07-22</ncom:dateSigned>
      <ncom:nameOfApplicant>ClearBridge Energy Midstream Opportunity Fund Inc.</ncom:nameOfApplicant>
      <ncom:signature>Christopher Berarducci</ncom:signature>
      <ncom:signerName>Christopher Berarducci</ncom:signerName>
      <ncom:title>Principal Financial Officer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
