diff --git a/src/components/Search/SearchRouter/SearchRouter.tsx b/src/components/Search/SearchRouter/SearchRouter.tsx
index 3a4ebdd856cd..cc30e67cc29f 100644
--- a/src/components/Search/SearchRouter/SearchRouter.tsx
+++ b/src/components/Search/SearchRouter/SearchRouter.tsx
@@ -40,6 +40,7 @@ import {getReportAction} from '@libs/ReportActionsUtils';
 import {isHiddenForCurrentUser, isOneOnOneChat} from '@libs/ReportUtils';
 import type {OptionData} from '@libs/ReportUtils';
 import {getAutocompleteQueryWithComma, getTrimmedUserSearchQueryPreservingComma} from '@libs/SearchAutocompleteUtils';
+import {searchKeyToSavedSearchID} from '@libs/SearchKeyUtils';
 import {buildSearchQueryJSON, buildUserReadableQueryString, getQueryWithUpdatedValues, sanitizeSearchValue} from '@libs/SearchQueryUtils';
 import StringUtils from '@libs/StringUtils';
 
@@ -132,13 +133,14 @@ function SearchRouter({onRouterClose, shouldHideInputCaret, isSearchRouterDispla
     const reportAttributes = useReportAttributes();
 
     // Seed the input on open. When the SearchRouter is opened from the search button on the search page
-    // and `shouldShowSearchQuery` is true, we build a user-readable query string from the current search
-    // query (showing names instead of IDs) along with the substitutions map needed to map those names
+    // and `shouldShowSearchQuery` is true or a saved search is active, we build a user-readable query
+    // from the current search (showing names instead of IDs) along with the substitutions map needed to map those names
     // back to IDs when submitting. Otherwise we fall back to the explicit pending query (e.g. from
     // ExpenseReportSearchHandler). Computed once via a lazy initializer so the query string and its
     // substitutions stay consistent.
     const [[initialQuery, initialSubstitutions]] = useState<[string, SubstitutionMap]>(() => {
-        if (!currentSearchQueryJSON || !isFromSearchPageSearchButton || !searchContext?.shouldShowSearchQuery) {
+        const isSavedSearch = !!searchKeyToSavedSearchID(currentSearchKey);
+        if (!currentSearchQueryJSON || !isFromSearchPageSearchButton || (!searchContext?.shouldShowSearchQuery && !isSavedSearch)) {
             return [pendingInitialQuery, {}];
         }
 
diff --git a/src/libs/SearchParser/searchParser.js b/src/libs/SearchParser/searchParser.js
index ac786bf9fe6f..13d82261892e 100644
--- a/src/libs/SearchParser/searchParser.js
+++ b/src/libs/SearchParser/searchParser.js
@@ -539,6 +539,10 @@ function peg$parse(input, options) {
       if (op === "contains") {
         return buildFilter("eq", "keyword", text().trim());
       }
+      // Ignore unsupported groupings before they override a valid grouping or affect sort and view defaults.
+      if (key === "groupBy" && !Object.hasOwn(GROUP_BY_DEFAULT_SORT, value)) {
+        return null;
+      }
       updateDefaultValues(key, value);
       return {...buildFilter(op, key, value), isDefault: true};
     };
diff --git a/src/libs/SearchParser/searchParser.peggy b/src/libs/SearchParser/searchParser.peggy
index 75238c3cbcfc..7813844c9eac 100644
--- a/src/libs/SearchParser/searchParser.peggy
+++ b/src/libs/SearchParser/searchParser.peggy
@@ -220,6 +220,10 @@ defaultFilter
       if (op === "contains") {
         return buildFilter("eq", "keyword", text().trim());
       }
+      // Ignore unsupported groupings before they override a valid grouping or affect sort and view defaults.
+      if (key === "groupBy" && !Object.hasOwn(GROUP_BY_DEFAULT_SORT, value)) {
+        return null;
+      }
       updateDefaultValues(key, value);
       return {...buildFilter(op, key, value), isDefault: true};
     }
diff --git a/tests/unit/Search/SearchQueryUtilsTest.ts b/tests/unit/Search/SearchQueryUtilsTest.ts
index 9e80544b68e4..40e50e4e8608 100644
--- a/tests/unit/Search/SearchQueryUtilsTest.ts
+++ b/tests/unit/Search/SearchQueryUtilsTest.ts
@@ -516,12 +516,26 @@ describe('SearchQueryUtils', () => {
             expect(result).toEqual(`${defaultQuery} from:9876,87654 to:78901 amount:15000 hello test`);
         });
 
-        test('returns query with updated groupBy', () => {
-            const userQuery = 'from:12345 groupBy:reports';
+        test('ignores unsupported groupBy and preserves other filters', () => {
+            // Given a saved expense query with a From filter and an unsupported grouping
+            const userQuery = 'type:expense from:12345 group-by: reports';
 
+            // When the router normalizes the submitted query
             const result = getQueryWithUpdatedValues(userQuery);
 
-            expect(result).toEqual(`${defaultQuery} groupBy:reports from:12345`);
+            // Then the unsupported grouping is omitted and the From filter remains
+            expect(result).toEqual(`${defaultQuery} from:12345`);
+        });
+
+        test('keeps a supported groupBy when followed by an unsupported groupBy', () => {
+            // Given a query with a valid grouping followed by an unsupported grouping
+            const userQuery = 'type:expense from:12345 group-by:merchant group-by:reports';
+
+            // When the router normalizes the submitted query
+            const result = getQueryWithUpdatedValues(userQuery);
+
+            // Then the valid grouping and From filter remain applied
+            expect(result).toEqual('type:expense sortBy:groupMerchant sortOrder:asc groupBy:merchant from:12345');
         });
 
         test('returns query with updated view', () => {
@@ -2888,7 +2902,7 @@ describe('SearchQueryUtils', () => {
             expect(isDefaultExpenses('type:expense footerTotal:billable footerCurrency:EUR')).toBe(true);
             expect(isDefaultExpenses('type:expense footerTotal:billable category:Travel')).toBe(false);
             expect(isDefaultExpenseReports('type:expense-report footerCount:expenses')).toBe(true);
-            expect(isDefaultExpenseReports('type:expense-report groupBy:report')).toBe(false);
+            expect(isDefaultExpenseReports('type:expense-report groupBy:merchant')).toBe(false);
         });
 
         it('keeps every footer selection out of the recent and similar search hashes, since none of them changes a result', () => {