diff --git a/ReactCommon/fabric/mounting/stubs/StubViewTree.cpp b/ReactCommon/fabric/mounting/stubs/StubViewTree.cpp
index a6152c0840..72ead4695c 100644
--- a/ReactCommon/fabric/mounting/stubs/StubViewTree.cpp
+++ b/ReactCommon/fabric/mounting/stubs/StubViewTree.cpp
@@ -11,9 +11,14 @@ namespace react {
 StubViewTree::StubViewTree(ShadowView const &shadowView) {
   auto view = std::make_shared<StubView>();
   view->update(shadowView);
+  rootTag = shadowView.tag;
   registry[shadowView.tag] = view;
 }
 
+StubView const &StubViewTree::getRootStubView() const {
+  return *registry.at(rootTag);
+}
+
 void StubViewTree::mutate(ShadowViewMutationList const &mutations) {
   for (auto const &mutation : mutations) {
     switch (mutation.type) {
diff --git a/ReactCommon/fabric/mounting/stubs/StubViewTree.h b/ReactCommon/fabric/mounting/stubs/StubViewTree.h
index 59f112b895..4fc70016dd 100644
--- a/ReactCommon/fabric/mounting/stubs/StubViewTree.h
+++ b/ReactCommon/fabric/mounting/stubs/StubViewTree.h
@@ -21,6 +21,9 @@ class StubViewTree {
 
   void mutate(ShadowViewMutationList const &mutations);
 
+  StubView const &getRootStubView() const;
+
+  Tag rootTag;
   std::unordered_map<Tag, StubView::Shared> registry{};
 };