<SEC-DOCUMENT>0001386060-25-000017.txt : 20251103
<SEC-HEADER>0001386060-25-000017.hdr.sgml : 20251103
<ACCEPTANCE-DATETIME>20251103140042
ACCESSION NUMBER:		0001386060-25-000017
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251103
DATE AS OF CHANGE:		20251103

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			American Integrity Insurance Group, Inc.
		CENTRAL INDEX KEY:			0002007587
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		ORGANIZATION NAME:           	02 Finance
		EIN:				332925846
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-95175
		FILM NUMBER:		251443348

	BUSINESS ADDRESS:	
		STREET 1:		5426 BAY CENTER DRIVE, SUITE 600
		CITY:			TAMPA
		STATE:			FL
		ZIP:			33609
		BUSINESS PHONE:		(813) 880-7000

	MAIL ADDRESS:	
		STREET 1:		5426 BAY CENTER DRIVE, SUITE 600
		CITY:			TAMPA
		STATE:			FL
		ZIP:			33609

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	American Integrity Insurance Group, LLC
		DATE OF NAME CHANGE:	20250319

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	American Integrity Insurance Group, Inc.
		DATE OF NAME CHANGE:	20240109

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Boston Partners
		CENTRAL INDEX KEY:			0001386060
		ORGANIZATION NAME:           	
		EIN:				980202744
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G

	BUSINESS ADDRESS:	
		STREET 1:		ONE BEACON STREET
		STREET 2:		30TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02108
		BUSINESS PHONE:		2129089500

	MAIL ADDRESS:	
		STREET 1:		ONE BEACON STREET
		STREET 2:		30TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02108

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Robeco Investment Management, Inc.
		DATE OF NAME CHANGE:	20070111
</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:ns1="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>SCHEDULE 13G</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001386060</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>09/30/2025</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0002007587</issuerCik>
        <issuerName>American Integrity Insurance Group, Inc.</issuerName>
        <issuerCusip>026948109</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <ns1:street1>5426 BAY CENTER DRIVE, SUITE 600</ns1:street1>
          <ns1:city>TAMPA</ns1:city>
          <ns1:stateOrCountry>FL</ns1:stateOrCountry>
          <ns1:zipCode>33609</ns1:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>Boston Partners</reportingPersonName>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>1088120</soleVotingPower>
        <sharedVotingPower>0</sharedVotingPower>
        <soleDispositivePower>1088120</soleDispositivePower>
        <sharedDispositivePower>0</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>1088120</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>5.56</classPercent>
      <typeOfReportingPerson>IA</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>American Integrity Insurance Group, Inc.</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>5426 BAY CENTER DRIVE, SUITE 600, TAMPA, FLORIDA
33609</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>Boston Partners</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>ONE BEACON STREET
30TH FLOOR
BOSTON, Massachusetts
02108</principalBusinessOfficeOrResidenceAddress>
        <citizenship>Boston Partners - DELAWARE</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>N</notApplicableFlag>
        <typeOfPersonFiling>IA</typeOfPersonFiling>
      </item3>
      <item4>
        <amountBeneficiallyOwned>1,088,120</amountBeneficiallyOwned>
        <classPercent>5.56</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>Boston Partners - 1,088,120</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>Boston Partners - 0</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>Boston Partners - 1,088,120</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>Boston Partners - 0</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>Y</notApplicableFlag>
      </item5>
      <item6>
        <notApplicableFlag>N</notApplicableFlag>
        <ownershipMoreThan5PercentOnBehalfOfAnotherPerson>This Schedule is being filed with respect to 1,088,120 shares of American Integrity Insurance Group (the Common Stock) held by Boston Partners on 9/30/2025 for the discretionary account of certain clients. By reason of rule 13d-3 under the act Boston Partners may be deemed to be a beneficial owner of such Common Stock. To the knowledge of Boston Partners no person has the right to receive or the power to direct the receipt of dividends from or the proceeds from the sale of such Common Stock which represents more than 5% of the outstanding shares of the Common Stock referred to in item 4(b) hereof.</ownershipMoreThan5PercentOnBehalfOfAnotherPerson>
      </item6>
      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </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.</certifications>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>Boston Partners</reportingPersonName>
      <signatureDetails>
        <signature>/s/Akiko Lindholm</signature>
        <title>Senior Compliance Officer</title>
        <date>11/03/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
