<?xml version='1.0' encoding='US-ASCII'?><schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:natixis="http://natixis/20260630" xmlns:dei="http://xbrl.sec.gov/dei/2025" xmlns:srt-types="http://fasb.org/srt-types/2025" xmlns:deprecated="http://www.xbrl.org/2009/role/deprecated" xmlns:dtr="http://www.xbrl.org/2009/dtr" xmlns:oef="http://xbrl.sec.gov/oef/2025" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:us-gaap="http://fasb.org/us-gaap/2025" xmlns:oef-pre="http://xbrl.sec.gov/oef-pre/2025" xmlns:oef-lab="http://xbrl.sec.gov/oef-lab/2025" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:country="http://xbrl.sec.gov/country/2025" xmlns:us-roles="http://fasb.org/us-roles/2025" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:us-types="http://fasb.org/us-types/2025" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:oef-def="http://xbrl.sec.gov/oef-def/2025" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:srt="http://fasb.org/srt/2025" xmlns:oef-sr="http://xbrl.sec.gov/oef-sr/2025" xmlns:srt-roles="http://fasb.org/srt-roles/2025" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrli="http://www.xbrl.org/2003/instance" targetNamespace="http://natixis/20260630" elementFormDefault="qualified"><import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/><import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/><import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/><import namespace="http://fasb.org/us-types/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd"/><import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/><import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd"/><import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/><import namespace="http://fasb.org/srt-types/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd"/><import namespace="http://xbrl.sec.gov/oef-sr/2025" schemaLocation="https://xbrl.sec.gov/oef/2025/oef-sr-2025.xsd"/><import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd"/><import namespace="http://fasb.org/us-roles/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd"/><import namespace="http://fasb.org/srt-roles/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd"/><annotation><appinfo><link:linkbase id="lnk"><link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/><link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReport" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReport"/><link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportHoldingsDetails"/><link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportLineGraphDetails"/><link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportAverageAnnualReturnDetails"/><link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ClassOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ClassOnly"/><link:roleRef roleURI="http://xbrl.sec.gov/oef/role/Other1CategoryOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#Other1CategoryOnly"/><link:roleRef roleURI="http://xbrl.sec.gov/oef/role/IndustrySectorOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#IndustrySectorOnly"/><link:roleRef roleURI="http://xbrl.sec.gov/oef/role/LargestHoldingOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#LargestHoldingOnly"/><link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReport"><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146363Member" xlink:label="C000146363Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000146363Member" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146364Member" xlink:label="C000146364Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000146364Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000190731Member" xlink:label="C000190731Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000190731Member" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146365Member" xlink:label="C000146365Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000146365Member" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052969Member" xlink:label="C000052969Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000052969Member" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052970Member" xlink:label="C000052970Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000052970Member" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000190730Member" xlink:label="C000190730Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000190730Member" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052971Member" xlink:label="C000052971Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000052971Member" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/></link:presentationLink><link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails"><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146363Member" xlink:label="C000146363Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000146363Member" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146364Member" xlink:label="C000146364Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000146364Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000190731Member" xlink:label="C000190731Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000190731Member" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146365Member" xlink:label="C000146365Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000146365Member" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052969Member" xlink:label="C000052969Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000052969Member" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052970Member" xlink:label="C000052970Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000052970Member" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000190730Member" xlink:label="C000190730Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000190730Member" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052971Member" xlink:label="C000052971Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000052971Member" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_IndustrySectorDomain" xlink:label="IndustrySectorDomain"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryBanksSectorMember" xlink:label="IndustryBanksSectorMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="IndustryBanksSectorMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryPharmaceuticalsSectorMember" xlink:label="IndustryPharmaceuticalsSectorMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="IndustryPharmaceuticalsSectorMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryBroadlineRetailSectorMember" xlink:label="IndustryBroadlineRetailSectorMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="IndustryBroadlineRetailSectorMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryFinancialServicesSectorMember" xlink:label="IndustryFinancialServicesSectorMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="IndustryFinancialServicesSectorMember" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustrySoftwareSectorMember" xlink:label="IndustrySoftwareSectorMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="IndustrySoftwareSectorMember" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryInteractiveMediaServicesSectorMember" xlink:label="IndustryInteractiveMediaServicesSectorMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="IndustryInteractiveMediaServicesSectorMember" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryTechnologyHardwareStoragePeripheralsSectorMember" xlink:label="IndustryTechnologyHardwareStoragePeripheralsSectorMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="IndustryTechnologyHardwareStoragePeripheralsSectorMember" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustrySemiconductorsSemiconductorEquipmentSectorMember" xlink:label="IndustrySemiconductorsSemiconductorEquipmentSectorMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="IndustrySemiconductorsSemiconductorEquipmentSectorMember" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryOilGasConsumableFuelsSectorMember" xlink:label="IndustryOilGasConsumableFuelsSectorMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="IndustryOilGasConsumableFuelsSectorMember" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryMachinerySectorMember" xlink:label="IndustryMachinerySectorMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="IndustrySectorDomain" xlink:to="IndustryMachinerySectorMember" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_LargestHoldingsDomain" xlink:label="LargestHoldingsDomain"/><link:loc xlink:type="locator" xlink:href="#natixis_NVIDIACorpFR67066G104CTIMember" xlink:label="NVIDIACorpFR67066G104CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="NVIDIACorpFR67066G104CTIMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_AppleIncFR037833100CTIMember" xlink:label="AppleIncFR037833100CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="AppleIncFR037833100CTIMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_MicrosoftCorpFR594918104CTIMember" xlink:label="MicrosoftCorpFR594918104CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="MicrosoftCorpFR594918104CTIMember" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_AmazoncomIncFR023135106CTIMember" xlink:label="AmazoncomIncFR023135106CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="AmazoncomIncFR023135106CTIMember" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_AlphabetIncFR02079K107CTIMember" xlink:label="AlphabetIncFR02079K107CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="AlphabetIncFR02079K107CTIMember" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_BroadcomIncFR11135F101CTIMember" xlink:label="BroadcomIncFR11135F101CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="BroadcomIncFR11135F101CTIMember" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_AlphabetIncFR02079K305CTIMember" xlink:label="AlphabetIncFR02079K305CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="AlphabetIncFR02079K305CTIMember" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_MicronTechnologyIncFR595112103CTIMember" xlink:label="MicronTechnologyIncFR595112103CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="MicronTechnologyIncFR595112103CTIMember" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_MetaPlatformsIncFR30303M102CTIMember" xlink:label="MetaPlatformsIncFR30303M102CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="MetaPlatformsIncFR30303M102CTIMember" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_TeslaIncFR88160R101CTIMember" xlink:label="TeslaIncFR88160R101CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="TeslaIncFR88160R101CTIMember" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_JPMorganChaseCoFR46625H100CTIMember" xlink:label="JPMorganChaseCoFR46625H100CTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="JPMorganChaseCoFR46625H100CTIMember" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory1Domain" xlink:label="OtherCategory1Domain"/><link:loc xlink:type="locator" xlink:href="#natixis_HouseholdDurablesCTIMember" xlink:label="HouseholdDurablesCTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCategory1Domain" xlink:to="HouseholdDurablesCTIMember" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_ConsumerFinanceCTIMember" xlink:label="ConsumerFinanceCTIMember"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCategory1Domain" xlink:to="ConsumerFinanceCTIMember" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/></link:presentationLink><link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails"><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146363Member" xlink:label="C000146363Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000146363Member" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146364Member" xlink:label="C000146364Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000146364Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000190731Member" xlink:label="C000190731Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000190731Member" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146365Member" xlink:label="C000146365Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000146365Member" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052969Member" xlink:label="C000052969Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000052969Member" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052970Member" xlink:label="C000052970Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000052970Member" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000190730Member" xlink:label="C000190730Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000190730Member" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052971Member" xlink:label="C000052971Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000052971Member" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/></link:presentationLink><link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails"><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146363Member" xlink:label="C000146363Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000146363Member" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146364Member" xlink:label="C000146364Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000146364Member" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000190731Member" xlink:label="C000190731Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000190731Member" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146365Member" xlink:label="C000146365Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000146365Member" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052969Member" xlink:label="C000052969Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000052969Member" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052970Member" xlink:label="C000052970Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000052970Member" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000190730Member" xlink:label="C000190730Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000190730Member" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052971Member" xlink:label="C000052971Member"/><link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000052971Member" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/label" priority="1"/></link:presentationLink><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/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146363Member" xlink:label="C000146363Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000146363Member" order="1.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146364Member" xlink:label="C000146364Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000146364Member" order="2.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000190731Member" xlink:label="C000190731Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000190731Member" order="3.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146365Member" xlink:label="C000146365Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000146365Member" order="4.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052969Member" xlink:label="C000052969Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000052969Member" order="5.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052970Member" xlink:label="C000052970Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000052970Member" order="6.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000190730Member" xlink:label="C000190730Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000190730Member" order="7.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052971Member" xlink:label="C000052971Member"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000052971Member" order="8.0" priority="1"/></link:definitionLink><link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/Other1CategoryOnly"><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory1Domain" xlink:label="OtherCategory1Domain"/><link:loc xlink:type="locator" xlink:href="#natixis_HouseholdDurablesCTIMember" xlink:label="HouseholdDurablesCTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="OtherCategory1Domain" xlink:to="HouseholdDurablesCTIMember" order="1.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_ConsumerFinanceCTIMember" xlink:label="ConsumerFinanceCTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="OtherCategory1Domain" xlink:to="ConsumerFinanceCTIMember" order="2.0" priority="1"/></link:definitionLink><link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/IndustrySectorOnly"><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_IndustrySectorDomain" xlink:label="IndustrySectorDomain"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryBanksSectorMember" xlink:label="IndustryBanksSectorMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="IndustryBanksSectorMember" order="1.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryPharmaceuticalsSectorMember" xlink:label="IndustryPharmaceuticalsSectorMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="IndustryPharmaceuticalsSectorMember" order="2.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryBroadlineRetailSectorMember" xlink:label="IndustryBroadlineRetailSectorMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="IndustryBroadlineRetailSectorMember" order="3.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryFinancialServicesSectorMember" xlink:label="IndustryFinancialServicesSectorMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="IndustryFinancialServicesSectorMember" order="4.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustrySoftwareSectorMember" xlink:label="IndustrySoftwareSectorMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="IndustrySoftwareSectorMember" order="5.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryInteractiveMediaServicesSectorMember" xlink:label="IndustryInteractiveMediaServicesSectorMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="IndustryInteractiveMediaServicesSectorMember" order="6.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryTechnologyHardwareStoragePeripheralsSectorMember" xlink:label="IndustryTechnologyHardwareStoragePeripheralsSectorMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="IndustryTechnologyHardwareStoragePeripheralsSectorMember" order="7.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustrySemiconductorsSemiconductorEquipmentSectorMember" xlink:label="IndustrySemiconductorsSemiconductorEquipmentSectorMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="IndustrySemiconductorsSemiconductorEquipmentSectorMember" order="8.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryOilGasConsumableFuelsSectorMember" xlink:label="IndustryOilGasConsumableFuelsSectorMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="IndustryOilGasConsumableFuelsSectorMember" order="9.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryMachinerySectorMember" xlink:label="IndustryMachinerySectorMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="IndustrySectorDomain" xlink:to="IndustryMachinerySectorMember" order="10.0" priority="1"/></link:definitionLink><link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/LargestHoldingOnly"><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_LargestHoldingsDomain" xlink:label="LargestHoldingsDomain"/><link:loc xlink:type="locator" xlink:href="#natixis_NVIDIACorpFR67066G104CTIMember" xlink:label="NVIDIACorpFR67066G104CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="NVIDIACorpFR67066G104CTIMember" order="1.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_AppleIncFR037833100CTIMember" xlink:label="AppleIncFR037833100CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="AppleIncFR037833100CTIMember" order="2.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_MicrosoftCorpFR594918104CTIMember" xlink:label="MicrosoftCorpFR594918104CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="MicrosoftCorpFR594918104CTIMember" order="3.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_AmazoncomIncFR023135106CTIMember" xlink:label="AmazoncomIncFR023135106CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="AmazoncomIncFR023135106CTIMember" order="4.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_AlphabetIncFR02079K107CTIMember" xlink:label="AlphabetIncFR02079K107CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="AlphabetIncFR02079K107CTIMember" order="5.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_BroadcomIncFR11135F101CTIMember" xlink:label="BroadcomIncFR11135F101CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="BroadcomIncFR11135F101CTIMember" order="6.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_AlphabetIncFR02079K305CTIMember" xlink:label="AlphabetIncFR02079K305CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="AlphabetIncFR02079K305CTIMember" order="7.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_MicronTechnologyIncFR595112103CTIMember" xlink:label="MicronTechnologyIncFR595112103CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="MicronTechnologyIncFR595112103CTIMember" order="8.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_MetaPlatformsIncFR30303M102CTIMember" xlink:label="MetaPlatformsIncFR30303M102CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="MetaPlatformsIncFR30303M102CTIMember" order="9.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_TeslaIncFR88160R101CTIMember" xlink:label="TeslaIncFR88160R101CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="TeslaIncFR88160R101CTIMember" order="10.0" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_JPMorganChaseCoFR46625H100CTIMember" xlink:label="JPMorganChaseCoFR46625H100CTIMember"/><link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="JPMorganChaseCoFR46625H100CTIMember" order="11.0" priority="1"/></link:definitionLink><link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link"><link:loc xlink:type="locator" xlink:href="#natixis_C000146363Member" xlink:label="C000146363Member"/><link:label xlink:type="resource" xlink:label="label_C000146363Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000146363</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000146363Member" xlink:to="label_C000146363Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146364Member" xlink:label="C000146364Member"/><link:label xlink:type="resource" xlink:label="label_C000146364Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000146364</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000146364Member" xlink:to="label_C000146364Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000190731Member" xlink:label="C000190731Member"/><link:label xlink:type="resource" xlink:label="label_C000190731Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000190731</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000190731Member" xlink:to="label_C000190731Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000146365Member" xlink:label="C000146365Member"/><link:label xlink:type="resource" xlink:label="label_C000146365Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000146365</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000146365Member" xlink:to="label_C000146365Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052969Member" xlink:label="C000052969Member"/><link:label xlink:type="resource" xlink:label="label_C000052969Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000052969</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000052969Member" xlink:to="label_C000052969Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052970Member" xlink:label="C000052970Member"/><link:label xlink:type="resource" xlink:label="label_C000052970Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000052970</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000052970Member" xlink:to="label_C000052970Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000190730Member" xlink:label="C000190730Member"/><link:label xlink:type="resource" xlink:label="label_C000190730Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000190730</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000190730Member" xlink:to="label_C000190730Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_C000052971Member" xlink:label="C000052971Member"/><link:label xlink:type="resource" xlink:label="label_C000052971Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000052971</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000052971Member" xlink:to="label_C000052971Member" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_HouseholdDurablesCTIMember" xlink:label="HouseholdDurablesCTIMember"/><link:label xlink:type="resource" xlink:label="label_HouseholdDurablesCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Household Durables</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HouseholdDurablesCTIMember" xlink:to="label_HouseholdDurablesCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_ConsumerFinanceCTIMember" xlink:label="ConsumerFinanceCTIMember"/><link:label xlink:type="resource" xlink:label="label_ConsumerFinanceCTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Consumer Finance</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsumerFinanceCTIMember" xlink:to="label_ConsumerFinanceCTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryBanksSectorMember" xlink:label="IndustryBanksSectorMember"/><link:label xlink:type="resource" xlink:label="label_IndustryBanksSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">IndustryBanks</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndustryBanksSectorMember" xlink:to="label_IndustryBanksSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryPharmaceuticalsSectorMember" xlink:label="IndustryPharmaceuticalsSectorMember"/><link:label xlink:type="resource" xlink:label="label_IndustryPharmaceuticalsSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">IndustryPharmaceuticals</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndustryPharmaceuticalsSectorMember" xlink:to="label_IndustryPharmaceuticalsSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryBroadlineRetailSectorMember" xlink:label="IndustryBroadlineRetailSectorMember"/><link:label xlink:type="resource" xlink:label="label_IndustryBroadlineRetailSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">IndustryBroadline Retail</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndustryBroadlineRetailSectorMember" xlink:to="label_IndustryBroadlineRetailSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryFinancialServicesSectorMember" xlink:label="IndustryFinancialServicesSectorMember"/><link:label xlink:type="resource" xlink:label="label_IndustryFinancialServicesSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">IndustryFinancial Services</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndustryFinancialServicesSectorMember" xlink:to="label_IndustryFinancialServicesSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustrySoftwareSectorMember" xlink:label="IndustrySoftwareSectorMember"/><link:label xlink:type="resource" xlink:label="label_IndustrySoftwareSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">IndustrySoftware</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndustrySoftwareSectorMember" xlink:to="label_IndustrySoftwareSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryInteractiveMediaServicesSectorMember" xlink:label="IndustryInteractiveMediaServicesSectorMember"/><link:label xlink:type="resource" xlink:label="label_IndustryInteractiveMediaServicesSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">IndustryInteractive Media &amp; Services</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndustryInteractiveMediaServicesSectorMember" xlink:to="label_IndustryInteractiveMediaServicesSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryTechnologyHardwareStoragePeripheralsSectorMember" xlink:label="IndustryTechnologyHardwareStoragePeripheralsSectorMember"/><link:label xlink:type="resource" xlink:label="label_IndustryTechnologyHardwareStoragePeripheralsSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">IndustryTechnology Hardware, Storage &amp; Peripherals</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndustryTechnologyHardwareStoragePeripheralsSectorMember" xlink:to="label_IndustryTechnologyHardwareStoragePeripheralsSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustrySemiconductorsSemiconductorEquipmentSectorMember" xlink:label="IndustrySemiconductorsSemiconductorEquipmentSectorMember"/><link:label xlink:type="resource" xlink:label="label_IndustrySemiconductorsSemiconductorEquipmentSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">IndustrySemiconductors &amp; Semiconductor Equipment</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndustrySemiconductorsSemiconductorEquipmentSectorMember" xlink:to="label_IndustrySemiconductorsSemiconductorEquipmentSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryOilGasConsumableFuelsSectorMember" xlink:label="IndustryOilGasConsumableFuelsSectorMember"/><link:label xlink:type="resource" xlink:label="label_IndustryOilGasConsumableFuelsSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">IndustryOil, Gas &amp; Consumable Fuels</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndustryOilGasConsumableFuelsSectorMember" xlink:to="label_IndustryOilGasConsumableFuelsSectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_IndustryMachinerySectorMember" xlink:label="IndustryMachinerySectorMember"/><link:label xlink:type="resource" xlink:label="label_IndustryMachinerySectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">IndustryMachinery</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IndustryMachinerySectorMember" xlink:to="label_IndustryMachinerySectorMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_NVIDIACorpFR67066G104CTIMember" xlink:label="NVIDIACorpFR67066G104CTIMember"/><link:label xlink:type="resource" xlink:label="label_NVIDIACorpFR67066G104CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">NVIDIA Corp.FR_67066G104</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NVIDIACorpFR67066G104CTIMember" xlink:to="label_NVIDIACorpFR67066G104CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_AppleIncFR037833100CTIMember" xlink:label="AppleIncFR037833100CTIMember"/><link:label xlink:type="resource" xlink:label="label_AppleIncFR037833100CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Apple, Inc.FR_037833100</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AppleIncFR037833100CTIMember" xlink:to="label_AppleIncFR037833100CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_MicrosoftCorpFR594918104CTIMember" xlink:label="MicrosoftCorpFR594918104CTIMember"/><link:label xlink:type="resource" xlink:label="label_MicrosoftCorpFR594918104CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Microsoft Corp.FR_594918104</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MicrosoftCorpFR594918104CTIMember" xlink:to="label_MicrosoftCorpFR594918104CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_AmazoncomIncFR023135106CTIMember" xlink:label="AmazoncomIncFR023135106CTIMember"/><link:label xlink:type="resource" xlink:label="label_AmazoncomIncFR023135106CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Amazon.com, Inc.FR_023135106</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmazoncomIncFR023135106CTIMember" xlink:to="label_AmazoncomIncFR023135106CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_AlphabetIncFR02079K107CTIMember" xlink:label="AlphabetIncFR02079K107CTIMember"/><link:label xlink:type="resource" xlink:label="label_AlphabetIncFR02079K107CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Alphabet, Inc.FR_02079K107</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AlphabetIncFR02079K107CTIMember" xlink:to="label_AlphabetIncFR02079K107CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_BroadcomIncFR11135F101CTIMember" xlink:label="BroadcomIncFR11135F101CTIMember"/><link:label xlink:type="resource" xlink:label="label_BroadcomIncFR11135F101CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Broadcom, Inc.FR_11135F101</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BroadcomIncFR11135F101CTIMember" xlink:to="label_BroadcomIncFR11135F101CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_AlphabetIncFR02079K305CTIMember" xlink:label="AlphabetIncFR02079K305CTIMember"/><link:label xlink:type="resource" xlink:label="label_AlphabetIncFR02079K305CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Alphabet, Inc.FR_02079K305</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AlphabetIncFR02079K305CTIMember" xlink:to="label_AlphabetIncFR02079K305CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_MicronTechnologyIncFR595112103CTIMember" xlink:label="MicronTechnologyIncFR595112103CTIMember"/><link:label xlink:type="resource" xlink:label="label_MicronTechnologyIncFR595112103CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Micron Technology, Inc.FR_595112103</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MicronTechnologyIncFR595112103CTIMember" xlink:to="label_MicronTechnologyIncFR595112103CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_MetaPlatformsIncFR30303M102CTIMember" xlink:label="MetaPlatformsIncFR30303M102CTIMember"/><link:label xlink:type="resource" xlink:label="label_MetaPlatformsIncFR30303M102CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Meta Platforms, Inc.FR_30303M102</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MetaPlatformsIncFR30303M102CTIMember" xlink:to="label_MetaPlatformsIncFR30303M102CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_TeslaIncFR88160R101CTIMember" xlink:label="TeslaIncFR88160R101CTIMember"/><link:label xlink:type="resource" xlink:label="label_TeslaIncFR88160R101CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tesla, Inc.FR_88160R101</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TeslaIncFR88160R101CTIMember" xlink:to="label_TeslaIncFR88160R101CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="#natixis_JPMorganChaseCoFR46625H100CTIMember" xlink:label="JPMorganChaseCoFR46625H100CTIMember"/><link:label xlink:type="resource" xlink:label="label_JPMorganChaseCoFR46625H100CTIMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">JPMorgan Chase &amp; Co.FR_46625H100</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JPMorganChaseCoFR46625H100CTIMember" xlink:to="label_JPMorganChaseCoFR46625H100CTIMember" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_NoTradingSymbolFlag" xlink:label="NoTradingSymbolFlag"/><link:label xlink:type="resource" xlink:label="label_NoTradingSymbolFlag" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">No Trading Symbol [Flag]</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoTradingSymbolFlag" xlink:to="label_NoTradingSymbolFlag" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsNet" xlink:label="AssetsNet"/><link:label xlink:type="resource" xlink:label="label_AssetsNet" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">AssetsNet</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsNet" xlink:to="label_AssetsNet" priority="1"/><link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentCompanyPortfolioTurnover" xlink:label="InvestmentCompanyPortfolioTurnover"/><link:label xlink:type="resource" xlink:label="label_InvestmentCompanyPortfolioTurnover" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">InvestmentCompanyPortfolioTurnover</link:label><link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentCompanyPortfolioTurnover" xlink:to="label_InvestmentCompanyPortfolioTurnover" priority="1"/></link:labelLink></link:linkbase></appinfo></annotation><element name="C000146363Member" id="natixis_C000146363Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000146364Member" id="natixis_C000146364Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000190731Member" id="natixis_C000190731Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000146365Member" id="natixis_C000146365Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000052969Member" id="natixis_C000052969Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000052970Member" id="natixis_C000052970Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000190730Member" id="natixis_C000190730Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="C000052971Member" id="natixis_C000052971Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="HouseholdDurablesCTIMember" id="natixis_HouseholdDurablesCTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="ConsumerFinanceCTIMember" id="natixis_ConsumerFinanceCTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="IndustryBanksSectorMember" id="natixis_IndustryBanksSectorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="IndustryPharmaceuticalsSectorMember" id="natixis_IndustryPharmaceuticalsSectorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="IndustryBroadlineRetailSectorMember" id="natixis_IndustryBroadlineRetailSectorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="IndustryFinancialServicesSectorMember" id="natixis_IndustryFinancialServicesSectorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="IndustrySoftwareSectorMember" id="natixis_IndustrySoftwareSectorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="IndustryInteractiveMediaServicesSectorMember" id="natixis_IndustryInteractiveMediaServicesSectorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="IndustryTechnologyHardwareStoragePeripheralsSectorMember" id="natixis_IndustryTechnologyHardwareStoragePeripheralsSectorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="IndustrySemiconductorsSemiconductorEquipmentSectorMember" id="natixis_IndustrySemiconductorsSemiconductorEquipmentSectorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="IndustryOilGasConsumableFuelsSectorMember" id="natixis_IndustryOilGasConsumableFuelsSectorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="IndustryMachinerySectorMember" id="natixis_IndustryMachinerySectorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="NVIDIACorpFR67066G104CTIMember" id="natixis_NVIDIACorpFR67066G104CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="AppleIncFR037833100CTIMember" id="natixis_AppleIncFR037833100CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="MicrosoftCorpFR594918104CTIMember" id="natixis_MicrosoftCorpFR594918104CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="AmazoncomIncFR023135106CTIMember" id="natixis_AmazoncomIncFR023135106CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="AlphabetIncFR02079K107CTIMember" id="natixis_AlphabetIncFR02079K107CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="BroadcomIncFR11135F101CTIMember" id="natixis_BroadcomIncFR11135F101CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="AlphabetIncFR02079K305CTIMember" id="natixis_AlphabetIncFR02079K305CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="MicronTechnologyIncFR595112103CTIMember" id="natixis_MicronTechnologyIncFR595112103CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="MetaPlatformsIncFR30303M102CTIMember" id="natixis_MetaPlatformsIncFR30303M102CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="TeslaIncFR88160R101CTIMember" id="natixis_TeslaIncFR88160R101CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/><element name="JPMorganChaseCoFR46625H100CTIMember" id="natixis_JPMorganChaseCoFR46625H100CTIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/></schema>
