<SEC-DOCUMENT>0000814375-26-000031.txt : 20260513
<SEC-HEADER>0000814375-26-000031.hdr.sgml : 20260513
<ACCEPTANCE-DATETIME>20260513161148
ACCESSION NUMBER:		0000814375-26-000031
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20260513
DATE AS OF CHANGE:		20260513

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ryerson Holding Corp
		CENTRAL INDEX KEY:			0001481582
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-METALS SERVICE CENTERS & OFFICES [5051]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				261251524
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-88635
		FILM NUMBER:		26973373

	BUSINESS ADDRESS:	
		STREET 1:		227 W. MONROE ST., 27TH FLOOR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		312 292-5000

	MAIL ADDRESS:	
		STREET 1:		227 W. MONROE ST., 27TH FLOOR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DONALD SMITH & CO., INC.
		CENTRAL INDEX KEY:			0000814375
		ORGANIZATION NAME:           	
		EIN:				132807845
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G

	BUSINESS ADDRESS:	
		STREET 1:		152 W. 57TH STREET
		STREET 2:		29TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-284-0990

	MAIL ADDRESS:	
		STREET 1:		152 W. 57TH STREET
		STREET 2:		29TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SMITH DONALD & CO INC /NJ/
		DATE OF NAME CHANGE:	19990329
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:com="http://www.sec.gov/edgar/common">
  <schemaVersion>X0202</schemaVersion>
<headerData>
    <submissionType>SCHEDULE 13G</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0000814375</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>03/31/2026</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0001481582</issuerCik>
        <issuerName>Ryerson Holding Corp</issuerName>
        <issuerCusips>
          <issuerCusipNumber>783754104</issuerCusipNumber>
        </issuerCusips>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>227 W. MONROE ST., 27TH FLOOR</com:street1>
          <com:city>CHICAGO</com:city>
          <com:stateOrCountry>IL</com:stateOrCountry>
          <com:zipCode>60606</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>DONALD SMITH &amp; CO., INC.</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>1820391.00</soleVotingPower>
        <sharedVotingPower>0.00</sharedVotingPower>
        <soleDispositivePower>1939081.00</soleDispositivePower>
        <sharedDispositivePower>0.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>1956933.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <classPercent>3.8</classPercent>
      <typeOfReportingPerson>IA</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>DSCO Value Fund, L.P.</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>17852.00</soleVotingPower>
        <sharedVotingPower>0.00</sharedVotingPower>
        <soleDispositivePower>17852.00</soleDispositivePower>
        <sharedDispositivePower>0.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>1956933.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <classPercent>3.8</classPercent>
      <typeOfReportingPerson>PN</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>Ryerson Holding Corp</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>227 W. MONROE ST., 27TH FLOOR, CHICAGO, ILLINOIS, 60606</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>Donald Smith &amp; Co., Inc.</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>152 West 57th Street, 29th Floor
New York, NY 10019
</principalBusinessOfficeOrResidenceAddress>
        <citizenship>A Delaware Corporation</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>N</notApplicableFlag>
        <typeOfPersonFiling>IA</typeOfPersonFiling>
      </item3>
      <item4>
        <amountBeneficiallyOwned>1,956,933</amountBeneficiallyOwned>
        <classPercent>3.80%	</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>SOLE POWER TO VOTE:
		 Donald Smith &amp; Co., Inc. 	1,820,391
		 DSCO Value Fund, L.P.	17,852
</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>SEE ITEM 6 </sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>SOLE POWER TO DISPOSE:
		 Donald Smith &amp; Co., Inc. 	1,939,081
		 DSCO Value Fund, L.P.	17,852
</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>SEE ITEM 6 </sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>N</notApplicableFlag>
        <classOwnership5PercentOrLess>Y</classOwnership5PercentOrLess>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
      </item6>
      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </item7>
      <item8>
        <notApplicableFlag>N</notApplicableFlag>
        <identificationAndClassificationOfGroupMembers>Donald Smith &amp; Co., Inc.	IA
DSCO Value Fund, L.P. 	PN
</identificationAndClassificationOfGroupMembers>
      </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 &amp;#167; 240.14a-11.

</certifications>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>DONALD SMITH &amp; CO., INC.</reportingPersonName>
      <signatureDetails>
        <signature>Richard L. Greenberg</signature>
        <title>CEO and Co-CIO</title>
        <date>05/13/2026</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>DSCO Value Fund, L.P.</reportingPersonName>
      <signatureDetails>
        <signature>Richard L. Greenberg</signature>
        <title>CEO and Co-CIO</title>
        <date>05/13/2026</date>
      </signatureDetails>
    </signatureInformation>
  </formData>

</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
