<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 6.5c -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: https://www.novaworks.com -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#HoldingsByIndustrySector" roleURI="http://xbrl.sec.gov/oef/role/HoldingsByIndustrySector" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#HoldingsByGeographicRegion" roleURI="http://xbrl.sec.gov/oef/role/HoldingsByGeographicRegion" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#HoldingsByCreditQuality" roleURI="http://xbrl.sec.gov/oef/role/HoldingsByCreditQuality" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#HoldingsByMaturity" roleURI="http://xbrl.sec.gov/oef/role/HoldingsByMaturity" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#HoldingsByAssetCategory" roleURI="http://xbrl.sec.gov/oef/role/HoldingsByAssetCategory" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#HoldingsByOtherCategory" roleURI="http://xbrl.sec.gov/oef/role/HoldingsByOtherCategory" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#HoldingsByOtherCategory2" roleURI="http://xbrl.sec.gov/oef/role/HoldingsByOtherCategory2" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#LargestHoldings" roleURI="http://xbrl.sec.gov/oef/role/LargestHoldings" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#ProspectusOnly" roleURI="http://xbrl.sec.gov/rr/role/ProspectusOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#RiskOnly" roleURI="http://xbrl.sec.gov/rr/role/RiskOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#CoregistrantOnly" roleURI="http://xbrl.sec.gov/oef/role/CoregistrantOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#SeriesOnly" roleURI="http://xbrl.sec.gov/oef/role/SeriesOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#ClassOnly" roleURI="http://xbrl.sec.gov/oef/role/ClassOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#PerformanceMeasureOnly" roleURI="http://xbrl.sec.gov/rr/role/PerformanceMeasureOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#HoldingAssetCategoryOnly" roleURI="http://xbrl.sec.gov/oef/role/HoldingAssetCategoryOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#BroadBasedIndexOnly" roleURI="http://xbrl.sec.gov/oef/role/BroadBasedIndexOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#AdditionalIndexOnly" roleURI="http://xbrl.sec.gov/oef/role/AdditionalIndexOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#IndustrySectorOnly" roleURI="http://xbrl.sec.gov/oef/role/IndustrySectorOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#GeographicRegionOnly" roleURI="http://xbrl.sec.gov/oef/role/GeographicRegionOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#CreditQualityOnly" roleURI="http://xbrl.sec.gov/oef/role/CreditQualityOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#MaturityOnly" roleURI="http://xbrl.sec.gov/oef/role/MaturityOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#Other1CategoryOnly" roleURI="http://xbrl.sec.gov/oef/role/Other1CategoryOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#Other2CategoryOnly" roleURI="http://xbrl.sec.gov/oef/role/Other2CategoryOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#LargestHoldingOnly" roleURI="http://xbrl.sec.gov/oef/role/LargestHoldingOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#SalesLoadOnly" roleURI="http://xbrl.sec.gov/oef/role/SalesLoadOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#HoldingMeasureOnly" roleURI="http://xbrl.sec.gov/oef/role/HoldingMeasureOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#ValueMeasureOnly" roleURI="http://xbrl.sec.gov/oef/role/ValueMeasureOnly" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#notAll" arcroleURI="http://xbrl.org/int/dim/arcrole/notAll" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/ProspectusOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/RiskOnly">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_AllRisksMember" xlink:label="loc_oefAllRisksMember" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MarketAndGeopoliticalRiskMember" xlink:label="loc_cik0001965454MarketAndGeopoliticalRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454MarketAndGeopoliticalRiskMember" xlink:type="arc" order="0" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_StockMarketRiskMember" xlink:label="loc_cik0001965454StockMarketRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454StockMarketRiskMember" xlink:type="arc" order="10" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_StockSelectionRiskMember" xlink:label="loc_cik0001965454StockSelectionRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454StockSelectionRiskMember" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MicrocapCompanyStockRiskMember" xlink:label="loc_cik0001965454MicrocapCompanyStockRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454MicrocapCompanyStockRiskMember" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_ForeignSecuritiesAndForeignMarketsRiskMember" xlink:label="loc_cik0001965454ForeignSecuritiesAndForeignMarketsRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454ForeignSecuritiesAndForeignMarketsRiskMember" xlink:type="arc" order="40" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_EmergingAndFrontierMarketsRiskMember" xlink:label="loc_cik0001965454EmergingAndFrontierMarketsRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454EmergingAndFrontierMarketsRiskMember" xlink:type="arc" order="50" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_ForeignCountryExposureRiskMember" xlink:label="loc_cik0001965454ForeignCountryExposureRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454ForeignCountryExposureRiskMember" xlink:type="arc" order="60" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_RegionRiskMember" xlink:label="loc_cik0001965454RegionRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454RegionRiskMember" xlink:type="arc" order="70" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_CurrencyRiskMember" xlink:label="loc_cik0001965454CurrencyRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454CurrencyRiskMember" xlink:type="arc" order="80" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_PoliticalAndEconomicRiskMember" xlink:label="loc_cik0001965454PoliticalAndEconomicRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454PoliticalAndEconomicRiskMember" xlink:type="arc" order="90" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_RegulatoryRiskMember" xlink:label="loc_cik0001965454RegulatoryRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454RegulatoryRiskMember" xlink:type="arc" order="100" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_SectorExposureRiskMember" xlink:label="loc_cik0001965454SectorExposureRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454SectorExposureRiskMember" xlink:type="arc" order="110" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_ConsumerDiscretionarySectorRiskMember" xlink:label="loc_cik0001965454ConsumerDiscretionarySectorRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454ConsumerDiscretionarySectorRiskMember" xlink:type="arc" order="120" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_TechnologySectorRiskMember" xlink:label="loc_cik0001965454TechnologySectorRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454TechnologySectorRiskMember" xlink:type="arc" order="130" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_SectorAndGeographyWeightingsRiskMember" xlink:label="loc_cik0001965454SectorAndGeographyWeightingsRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454SectorAndGeographyWeightingsRiskMember" xlink:type="arc" order="140" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_SmallcapCompanyStockRiskMember" xlink:label="loc_cik0001965454SmallcapCompanyStockRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454SmallcapCompanyStockRiskMember" xlink:type="arc" order="150" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MidcapCompanyStockRiskMember" xlink:label="loc_cik0001965454MidcapCompanyStockRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454MidcapCompanyStockRiskMember" xlink:type="arc" order="160" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_LiquidityRiskMember" xlink:label="loc_cik0001965454LiquidityRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454LiquidityRiskMember" xlink:type="arc" order="170" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_ManagedPortfolioRiskMember" xlink:label="loc_cik0001965454ManagedPortfolioRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454ManagedPortfolioRiskMember" xlink:type="arc" order="180" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_EarlystageCompaniesRiskMember" xlink:label="loc_cik0001965454EarlystageCompaniesRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454EarlystageCompaniesRiskMember" xlink:type="arc" order="190" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_InitialPublicOfferingsIPOsRiskMember" xlink:label="loc_cik0001965454InitialPublicOfferingsIPOsRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454InitialPublicOfferingsIPOsRiskMember" xlink:type="arc" order="200" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_GrowthStockRiskMember" xlink:label="loc_cik0001965454GrowthStockRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454GrowthStockRiskMember" xlink:type="arc" order="210" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_ValueInvestingRiskMember" xlink:label="loc_cik0001965454ValueInvestingRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454ValueInvestingRiskMember" xlink:type="arc" order="220" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_AdrRiskMember" xlink:label="loc_cik0001965454AdrRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454AdrRiskMember" xlink:type="arc" order="230" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_ForeignTaxRiskMember" xlink:label="loc_cik0001965454ForeignTaxRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454ForeignTaxRiskMember" xlink:type="arc" order="240" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_TransactionCostsMember" xlink:label="loc_cik0001965454TransactionCostsMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454TransactionCostsMember" xlink:type="arc" order="250" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_HealthcareSectorRiskMember" xlink:label="loc_cik0001965454HealthcareSectorRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454HealthcareSectorRiskMember" xlink:type="arc" order="260" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_IndustrialsSectorRiskMember" xlink:label="loc_cik0001965454IndustrialsSectorRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454IndustrialsSectorRiskMember" xlink:type="arc" order="270" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_PortfolioTurnoverRiskMember" xlink:label="loc_cik0001965454PortfolioTurnoverRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454PortfolioTurnoverRiskMember" xlink:type="arc" order="280" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_FinancialsSectorRiskMember" xlink:label="loc_cik0001965454FinancialsSectorRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454FinancialsSectorRiskMember" xlink:type="arc" order="290" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_LimitedHistoryOfOperationsRiskMember" xlink:label="loc_cik0001965454LimitedHistoryOfOperationsRiskMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefAllRisksMember" xlink:to="loc_cik0001965454LimitedHistoryOfOperationsRiskMember" xlink:type="arc" order="300" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/CoregistrantOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/SeriesOnly">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain" xlink:label="loc_deiEntityDomain" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_S000080366Member" xlink:label="loc_cik0001965454S000080366Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_cik0001965454S000080366Member" xlink:type="arc" order="0" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_S000080368Member" xlink:label="loc_cik0001965454S000080368Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_cik0001965454S000080368Member" xlink:type="arc" order="10" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_S000080369Member" xlink:label="loc_cik0001965454S000080369Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_cik0001965454S000080369Member" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_S000080370Member" xlink:label="loc_cik0001965454S000080370Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_cik0001965454S000080370Member" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_S000080371Member" xlink:label="loc_cik0001965454S000080371Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_cik0001965454S000080371Member" xlink:type="arc" order="40" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_S000080372Member" xlink:label="loc_cik0001965454S000080372Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_cik0001965454S000080372Member" xlink:type="arc" order="50" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_S000080373Member" xlink:label="loc_cik0001965454S000080373Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_cik0001965454S000080373Member" xlink:type="arc" order="60" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_S000092965Member" xlink:label="loc_cik0001965454S000092965Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_cik0001965454S000092965Member" xlink:type="arc" order="70" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_S000080374Member" xlink:label="loc_cik0001965454S000080374Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_cik0001965454S000080374Member" xlink:type="arc" order="80" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_S000080375Member" xlink:label="loc_cik0001965454S000080375Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_cik0001965454S000080375Member" xlink:type="arc" order="90" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_S000080367Member" xlink:label="loc_cik0001965454S000080367Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_deiEntityDomain" xlink:to="loc_cik0001965454S000080367Member" xlink:type="arc" order="100" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ClassOnly">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_ShareClassDomain" xlink:label="loc_oefShareClassDomain" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242719Member" xlink:label="loc_cik0001965454C000242719Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242719Member" xlink:type="arc" order="0" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242720Member" xlink:label="loc_cik0001965454C000242720Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242720Member" xlink:type="arc" order="10" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242722Member" xlink:label="loc_cik0001965454C000242722Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242722Member" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242723Member" xlink:label="loc_cik0001965454C000242723Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242723Member" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242724Member" xlink:label="loc_cik0001965454C000242724Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242724Member" xlink:type="arc" order="40" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242726Member" xlink:label="loc_cik0001965454C000242726Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242726Member" xlink:type="arc" order="50" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242725Member" xlink:label="loc_cik0001965454C000242725Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242725Member" xlink:type="arc" order="60" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242728Member" xlink:label="loc_cik0001965454C000242728Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242728Member" xlink:type="arc" order="70" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242727Member" xlink:label="loc_cik0001965454C000242727Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242727Member" xlink:type="arc" order="80" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242729Member" xlink:label="loc_cik0001965454C000242729Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242729Member" xlink:type="arc" order="90" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242730Member" xlink:label="loc_cik0001965454C000242730Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242730Member" xlink:type="arc" order="100" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000261018Member" xlink:label="loc_cik0001965454C000261018Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000261018Member" xlink:type="arc" order="110" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242732Member" xlink:label="loc_cik0001965454C000242732Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242732Member" xlink:type="arc" order="120" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242731Member" xlink:label="loc_cik0001965454C000242731Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242731Member" xlink:type="arc" order="130" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242734Member" xlink:label="loc_cik0001965454C000242734Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242734Member" xlink:type="arc" order="140" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242733Member" xlink:label="loc_cik0001965454C000242733Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242733Member" xlink:type="arc" order="150" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_C000242721Member" xlink:label="loc_cik0001965454C000242721Member" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefShareClassDomain" xlink:to="loc_cik0001965454C000242721Member" xlink:type="arc" order="160" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/PerformanceMeasureOnly">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_PerformanceMeasureDomain" xlink:label="loc_oefPerformanceMeasureDomain" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIEMSMIDCapIndexMember" xlink:label="loc_cik0001965454MSCIEMSMIDCapIndexMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIEMSMIDCapIndexMember" xlink:type="arc" order="0" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIEMIMIIndexMember" xlink:label="loc_cik0001965454MSCIEMIMIIndexMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIEMIMIIndexMember" xlink:type="arc" order="10" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIACWISmallCapIndexMember" xlink:label="loc_cik0001965454MSCIACWISmallCapIndexMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIACWISmallCapIndexMember" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIACWIIMIIndexNetMember" xlink:label="loc_cik0001965454MSCIACWIIMIIndexNetMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIACWIIMIIndexNetMember" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIACWIMidCapIndexNetMember" xlink:label="loc_cik0001965454MSCIACWIMidCapIndexNetMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIACWIMidCapIndexNetMember" xlink:type="arc" order="40" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIACWISmallCapIndexNetMember" xlink:label="loc_cik0001965454MSCIACWISmallCapIndexNetMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIACWISmallCapIndexNetMember" xlink:type="arc" order="50" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIWorldMicroCapIndexNetMember" xlink:label="loc_cik0001965454MSCIWorldMicroCapIndexNetMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIWorldMicroCapIndexNetMember" xlink:type="arc" order="60" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIACWIIMIIndexMember" xlink:label="loc_cik0001965454MSCIACWIIMIIndexMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIACWIIMIIndexMember" xlink:type="arc" order="70" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIACWIMidCapIndexMember" xlink:label="loc_cik0001965454MSCIACWIMidCapIndexMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIACWIMidCapIndexMember" xlink:type="arc" order="80" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIACWIexUSASmallCapIndexMember" xlink:label="loc_cik0001965454MSCIACWIexUSASmallCapIndexMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIACWIexUSASmallCapIndexMember" xlink:type="arc" order="90" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIACWIexUSAIMIIndexMember" xlink:label="loc_cik0001965454MSCIACWIexUSAIMIIndexMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIACWIexUSAIMIIndexMember" xlink:type="arc" order="100" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIACWIexUSAMidCapIndexMember" xlink:label="loc_cik0001965454MSCIACWIexUSAMidCapIndexMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIACWIexUSAMidCapIndexMember" xlink:type="arc" order="110" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIUSAMidCapIndexMember" xlink:label="loc_cik0001965454MSCIUSAMidCapIndexMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIUSAMidCapIndexMember" xlink:type="arc" order="120" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIUSASmallCapIndexMember" xlink:label="loc_cik0001965454MSCIUSASmallCapIndexMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIUSASmallCapIndexMember" xlink:type="arc" order="130" />
      <link:loc xlink:type="locator" xlink:href="cik0001965454-20260828.xsd#cik0001965454_MSCIUSAIMIIndexMember" xlink:label="loc_cik0001965454MSCIUSAIMIIndexMember" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_oefPerformanceMeasureDomain" xlink:to="loc_cik0001965454MSCIUSAIMIIndexMember" xlink:type="arc" order="140" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/HoldingAssetCategoryOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/BroadBasedIndexOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/AdditionalIndexOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/IndustrySectorOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/GeographicRegionOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/CreditQualityOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/MaturityOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/Other1CategoryOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/Other2CategoryOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/LargestHoldingOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/SalesLoadOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/HoldingMeasureOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ValueMeasureOnly" />
</link:linkbase>
