diff --git a/eng/Subsets.props b/eng/Subsets.props
index d1d57765600006..64e36be4c8ded2 100644
--- a/eng/Subsets.props
+++ b/eng/Subsets.props
@@ -111,7 +111,7 @@
     <DefaultCoreClrSubsets Condition="'$(TargetRid)' == 'linux-armel'">clr.native+clr.corelib+clr.tools+clr.nativecorelib+clr.packages+clr.nativeaotlibs+clr.crossarchtools</DefaultCoreClrSubsets>
     <DefaultCoreClrSubsets Condition="'$(TargetsAndroid)' == 'true'">clr.native+clr.corelib+clr.tools+clr.nativecorelib+clr.packages+clr.nativeaotlibs+clr.crossarchtools</DefaultCoreClrSubsets>
     <DefaultCoreClrSubsets Condition="'$(TargetsAppleMobile)' == 'true'">clr.native+clr.corelib+clr.tools+clr.nativecorelib+clr.packages+clr.nativeaotlibs+clr.crossarchtools</DefaultCoreClrSubsets>
-    <DefaultCoreClrSubsets Condition="'$(TargetsBrowser)' == 'true'">mono.emsdk+clr.native+clr.corelib+clr.tools+clr.packages+clr.crossarchtools+host.native</DefaultCoreClrSubsets>
+    <DefaultCoreClrSubsets Condition="'$(TargetsBrowser)' == 'true'">mono.emsdk+clr.native+clr.corelib+clr.nativecorelib+clr.tools+clr.packages+clr.crossarchtools+host.native</DefaultCoreClrSubsets>
     <!-- Even on platforms that do not support the CoreCLR runtime, we still want to build ilasm/ildasm. -->
     <DefaultCoreClrSubsets Condition="'$(RuntimeFlavor)' != 'CoreCLR'">clr.iltools+clr.packages</DefaultCoreClrSubsets>
 
diff --git a/eng/pipelines/runtime.yml b/eng/pipelines/runtime.yml
index 4b8806316afe4d..49f71621948372 100644
--- a/eng/pipelines/runtime.yml
+++ b/eng/pipelines/runtime.yml
@@ -111,7 +111,7 @@ extends:
           - browser_wasm_win
           jobParameters:
             nameSuffix: AllSubsets_CoreCLR
-            buildArgs: -s clr+libs -c $(_BuildConfig) -lc Release
+            buildArgs: -s clr+libs+packs -c $(_BuildConfig) -lc Release
             timeoutInMinutes: 120
             postBuildSteps:
               - template: /eng/pipelines/common/templates/runtimes/build-runtime-tests.yml
diff --git a/src/coreclr/crossgen-corelib.proj b/src/coreclr/crossgen-corelib.proj
index b95536f174a5b6..c30a458f5bdbfa 100644
--- a/src/coreclr/crossgen-corelib.proj
+++ b/src/coreclr/crossgen-corelib.proj
@@ -96,10 +96,21 @@
     </ItemGroup>
   </Target>
 
+  <Target Name="InvokeCrossgenBrowser"
+          DependsOnTargets="PrepareInvokeCrossgen"
+          Inputs="@(Crossgen2Inputs)"
+          Outputs="$(CoreLibOutputPath)"
+          Condition="'$(TargetOS)' == 'browser'"
+          AfterTargets="Build">
+    <!-- TODO-WASM: we will have WASM R2R later, for now we just need to copy the file into expected location -->
+    <Copy SourceFiles="@(CoreLib)" DestinationFiles="$(CoreLibOutputPath)" UseHardlinksIfPossible="true" />
+  </Target>
+
   <Target Name="InvokeCrossgen"
           DependsOnTargets="PrepareInvokeCrossgen;CreateMergedMibcFile"
           Inputs="@(Crossgen2Inputs)"
           Outputs="$(CoreLibOutputPath);$(CoreLibNiPdbPath);$(CoreLibPerfMapPath)"
+          Condition="'$(TargetOS)' != 'browser'"
           AfterTargets="Build">
 
     <MakeDir
diff --git a/src/installer/pkg/sfx/Microsoft.NETCore.App/Directory.Build.props b/src/installer/pkg/sfx/Microsoft.NETCore.App/Directory.Build.props
index 969316103d3db2..7222998213ee3e 100644
--- a/src/installer/pkg/sfx/Microsoft.NETCore.App/Directory.Build.props
+++ b/src/installer/pkg/sfx/Microsoft.NETCore.App/Directory.Build.props
@@ -261,6 +261,21 @@
     <PlatformManifestFileEntry Include="wasi-link.rsp" IsNative="true" />
     <PlatformManifestFileEntry Include="ILLink.Substitutions.WasmIntrinsics.xml" IsNative="true" />
     <PlatformManifestFileEntry Include="ILLink.Substitutions.NoWasmIntrinsics.xml" IsNative="true" />
+    <!-- CoreCLR WASM-specific files -->
+    <PlatformManifestFileEntry Include="libclrinterpreter.a" IsNative="true" />
+    <PlatformManifestFileEntry Include="libcoreclrminipal.a" IsNative="true" />
+    <PlatformManifestFileEntry Include="libcoreclrpal.a" IsNative="true" />
+    <PlatformManifestFileEntry Include="libgcinfo_unix_wasm.a" IsNative="true" />
+    <PlatformManifestFileEntry Include="libminipal.a" IsNative="true" />
+    <PlatformManifestFileEntry Include="libnativeresourcestring.a" IsNative="true" />
+    <PlatformManifestFileEntry Include="libBrowserHost.js" IsNative="true" />
+    <PlatformManifestFileEntry Include="libBrowserHost.js.map" IsNative="true" />
+    <PlatformManifestFileEntry Include="libSystem.Browser.Utils.js" IsNative="true" />
+    <PlatformManifestFileEntry Include="libSystem.Browser.Utils.js.map" IsNative="true" />
+    <PlatformManifestFileEntry Include="libSystem.Native.Browser.js" IsNative="true" />
+    <PlatformManifestFileEntry Include="libSystem.Native.Browser.js.map" IsNative="true" />
+    <PlatformManifestFileEntry Include="libSystem.Runtime.InteropServices.JavaScript.Native.js" IsNative="true" />
+    <PlatformManifestFileEntry Include="libSystem.Runtime.InteropServices.JavaScript.Native.js.map" IsNative="true" />
     <!-- wasi specific -->
     <PlatformManifestFileEntry Include="main.c" IsNative="true" />
     <PlatformManifestFileEntry Include="driver.h" IsNative="true" />
diff --git a/src/installer/pkg/sfx/Microsoft.NETCore.App/Microsoft.NETCore.App.Runtime.CoreCLR.sfxproj b/src/installer/pkg/sfx/Microsoft.NETCore.App/Microsoft.NETCore.App.Runtime.CoreCLR.sfxproj
index b5f4838ce48e20..69d97018166e70 100644
--- a/src/installer/pkg/sfx/Microsoft.NETCore.App/Microsoft.NETCore.App.Runtime.CoreCLR.sfxproj
+++ b/src/installer/pkg/sfx/Microsoft.NETCore.App/Microsoft.NETCore.App.Runtime.CoreCLR.sfxproj
@@ -24,6 +24,8 @@
     <PublishReadyToRun>true</PublishReadyToRun>
     <!-- Disable crossgen on NetBSD, illumos, Solaris and Haiku for now. This can be revisited when we have full support. -->
     <PublishReadyToRun Condition="'$(TargetOS)' == 'netbsd' or '$(TargetOS)' == 'illumos' or '$(TargetOS)' == 'solaris' or '$(TargetOS)' == 'haiku'">false</PublishReadyToRun>
+    <!-- TODO-WASM: we will have WASM R2R after https://github.com/dotnet/runtime/issues/121257 -->
+    <PublishReadyToRun Condition="'$(TargetOS)' == 'browser' or '$(TargetOS)' == 'wasi'">false</PublishReadyToRun>
     <PublishReadyToRun Condition="'$(StageTwoBuild)'=='true'">false</PublishReadyToRun>
     <UsesMuxerHostModel Condition="'$(TargetsMobile)' != 'true'">true</UsesMuxerHostModel>
     <IncludeDiaSymReaderNative Condition="'$(TargetOS)' == 'windows'">true</IncludeDiaSymReaderNative>
diff --git a/src/native/libs/Common/JavaScript/CMakeLists.txt b/src/native/libs/Common/JavaScript/CMakeLists.txt
index 6f67600771e4ff..50abe741ce69bf 100644
--- a/src/native/libs/Common/JavaScript/CMakeLists.txt
+++ b/src/native/libs/Common/JavaScript/CMakeLists.txt
@@ -124,5 +124,7 @@ add_custom_target(System.Native.Browser-NpmInstall
     DEPENDS ${NPM_INSTALL_OUTPUTS}
 )
 
-install(FILES ${ROLLUP_OUTPUTS} DESTINATION sharedFramework COMPONENT runtime)
-install(FILES "${CLR_SRC_NATIVE_DIR}/package.json" DESTINATION sharedFramework COMPONENT runtime)
\ No newline at end of file
+if (NOT CORERUN_LIBS_ONLY)
+    install(FILES ${ROLLUP_OUTPUTS} DESTINATION sharedFramework COMPONENT runtime)
+    install(FILES "${CLR_SRC_NATIVE_DIR}/package.json" DESTINATION sharedFramework COMPONENT runtime)
+endif()
diff --git a/src/native/libs/System.Globalization.Native/CMakeLists.txt b/src/native/libs/System.Globalization.Native/CMakeLists.txt
index 6cb15aa0b9dce1..72952c259c44b5 100644
--- a/src/native/libs/System.Globalization.Native/CMakeLists.txt
+++ b/src/native/libs/System.Globalization.Native/CMakeLists.txt
@@ -196,7 +196,9 @@ endif()
 
 install (TARGETS System.Globalization.Native-Static DESTINATION ${STATIC_LIB_DESTINATION} COMPONENT libs)
 if(CLR_CMAKE_HOST_ANDROID OR CLR_CMAKE_HOST_IOS OR CLR_CMAKE_HOST_TVOS OR CLR_CMAKE_HOST_MACCATALYST OR CLR_CMAKE_TARGET_BROWSER OR CLR_CMAKE_TARGET_WASI)
-    install (TARGETS System.Globalization.Native-Static DESTINATION sharedFramework COMPONENT runtime)
+    if (NOT CORERUN_LIBS_ONLY)
+        install (TARGETS System.Globalization.Native-Static DESTINATION sharedFramework COMPONENT runtime)
+    endif()
 endif()
 
 if(NOT CLR_CMAKE_TARGET_WIN32 AND NOT CLR_CMAKE_TARGET_APPLE AND NOT CLR_CMAKE_TARGET_ANDROID AND NOT CLR_CMAKE_TARGET_LINUX_MUSL AND NOT CLR_CMAKE_TARGET_HAIKU)
@@ -231,5 +233,7 @@ if((CLR_CMAKE_TARGET_BROWSER OR CLR_CMAKE_TARGET_WASI) AND DEFINED CMAKE_ICU_DIR
         "${CMAKE_ICU_DIR}/lib/libicudata.a"
     )
     install(FILES ${ICU_DATA_AND_LIB_FILES} DESTINATION ${STATIC_LIB_DESTINATION} COMPONENT libs)
-    install(FILES ${ICU_DATA_AND_LIB_FILES} DESTINATION sharedFramework COMPONENT runtime)
+    if (NOT CORERUN_LIBS_ONLY)
+        install(FILES ${ICU_DATA_AND_LIB_FILES} DESTINATION sharedFramework COMPONENT runtime)
+    endif()
 endif()
diff --git a/src/native/libs/System.Native.Browser/CMakeLists.txt b/src/native/libs/System.Native.Browser/CMakeLists.txt
index 22725542b36f14..054ff74dd4cd25 100644
--- a/src/native/libs/System.Native.Browser/CMakeLists.txt
+++ b/src/native/libs/System.Native.Browser/CMakeLists.txt
@@ -12,7 +12,9 @@ add_library(System.Native.Browser-Static
 )
 set_target_properties(System.Native.Browser-Static PROPERTIES OUTPUT_NAME System.Native.Browser CLEAN_DIRECT_OUTPUT 1)
 install(TARGETS System.Native.Browser-Static DESTINATION ${STATIC_LIB_DESTINATION} COMPONENT libs)
-install(TARGETS System.Native.Browser-Static DESTINATION sharedFramework COMPONENT runtime)
+if (NOT CORERUN_LIBS_ONLY)
+    install(TARGETS System.Native.Browser-Static DESTINATION sharedFramework COMPONENT runtime)
+endif()
 
 add_subdirectory(../Common/JavaScript common-js)
 add_dependencies(System.Native.Browser-Static System.Native.Browser-Rollup)
diff --git a/src/native/libs/System.Native/CMakeLists.txt b/src/native/libs/System.Native/CMakeLists.txt
index 31f9c21b3f73e7..7d647cb4805805 100644
--- a/src/native/libs/System.Native/CMakeLists.txt
+++ b/src/native/libs/System.Native/CMakeLists.txt
@@ -149,7 +149,9 @@ set_target_properties(System.Native-Static PROPERTIES OUTPUT_NAME System.Native
 install (TARGETS System.Native-Static DESTINATION ${STATIC_LIB_DESTINATION} COMPONENT libs)
 
 if(CLR_CMAKE_HOST_ANDROID OR CLR_CMAKE_HOST_IOS OR CLR_CMAKE_HOST_TVOS OR CLR_CMAKE_HOST_MACCATALYST OR CLR_CMAKE_TARGET_BROWSER OR CLR_CMAKE_TARGET_WASI)
-    install (TARGETS System.Native-Static DESTINATION sharedFramework COMPONENT runtime)
+    if (NOT CORERUN_LIBS_ONLY)
+        install (TARGETS System.Native-Static DESTINATION sharedFramework COMPONENT runtime)
+    endif()
 endif()
 
 if (CLR_CMAKE_TARGET_ARCH_WASM AND DEFINED CMAKE_TZD_DIR)
@@ -164,11 +166,15 @@ if (CLR_CMAKE_TARGET_ARCH_WASM AND DEFINED CMAKE_TZD_DIR)
     target_compile_definitions(System.Native.TimeZoneData PRIVATE TZ_DATA_ENABLED)
     target_include_directories(System.Native.TimeZoneData PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/inc")
     install(TARGETS System.Native.TimeZoneData DESTINATION ${STATIC_LIB_DESTINATION} COMPONENT libs)
-    install(TARGETS System.Native.TimeZoneData DESTINATION sharedFramework COMPONENT runtime)
+    if (NOT CORERUN_LIBS_ONLY)
+        install(TARGETS System.Native.TimeZoneData DESTINATION sharedFramework COMPONENT runtime)
+    endif()
 
     # Also add a stub to support InvariantTimezone.
     add_library(System.Native.TimeZoneData.Invariant STATIC pal_datetime_time_zone_data.c)
     add_dependencies(System.Native-Static System.Native.TimeZoneData.Invariant)
     install(TARGETS System.Native.TimeZoneData.Invariant DESTINATION ${STATIC_LIB_DESTINATION} COMPONENT libs)
-    install(TARGETS System.Native.TimeZoneData.Invariant DESTINATION sharedFramework COMPONENT runtime)
+    if (NOT CORERUN_LIBS_ONLY)
+        install(TARGETS System.Native.TimeZoneData.Invariant DESTINATION sharedFramework COMPONENT runtime)
+    endif()
 endif ()