diff --git a/ext/search_kit/ang/crmSearchAdmin/compose.html b/ext/search_kit/ang/crmSearchAdmin/compose.html
index 173da60ff2ab..3d773cfcd25c 100644
--- a/ext/search_kit/ang/crmSearchAdmin/compose.html
+++ b/ext/search_kit/ang/crmSearchAdmin/compose.html
@@ -26,7 +26,10 @@
     <fieldset ng-if=":: $ctrl.paramExists('groupBy')">
       <div class="form-inline" ng-repeat="groupBy in $ctrl.savedSearch.api_params.groupBy">
         <label for="crm-search-groupBy-{{ $index }}">{{:: ts('Group By') }}</label>
-        <input id="crm-search-groupBy-{{ $index }}" class="form-control huge" ng-model="$ctrl.savedSearch.api_params.groupBy[$index]" crm-ui-select="{placeholder: ' ', data: fieldsForGroupBy}" ng-change="changeGroupBy($index)" />
+        <crm-search-function class="form-group" expr="$ctrl.savedSearch.api_params.groupBy[$index]" mode="groupBy"></crm-search-function>
+        <span ng-if="!$ctrl.hasFunction($ctrl.savedSearch.api_params.groupBy[$index])">
+          <input id="crm-search-groupBy-{{ $index }}" class="form-control huge" ng-model="$ctrl.savedSearch.api_params.groupBy[$index]" crm-ui-select="{placeholder: ' ', data: fieldsForGroupBy}" ng-change="changeGroupBy($index)" />
+        </span>
         <hr>
       </div>
       <div class="form-inline">
diff --git a/ext/search_kit/ang/crmSearchAdmin/crmSearchAdmin.component.js b/ext/search_kit/ang/crmSearchAdmin/crmSearchAdmin.component.js
index 93d7180e5f0f..6b1a1c1a93a4 100644
--- a/ext/search_kit/ang/crmSearchAdmin/crmSearchAdmin.component.js
+++ b/ext/search_kit/ang/crmSearchAdmin/crmSearchAdmin.component.js
@@ -145,6 +145,10 @@
         return _.includes(searchMeta.getEntity(ctrl.savedSearch.api_entity).params, param);
       };
 
+      this.hasFunction = function(expr) {
+        return expr.indexOf('(') > -1;
+      };
+
       this.addDisplay = function(type) {
         var count = _.filter(ctrl.savedSearch.displays, {type: type}).length,
           searchLabel = ctrl.savedSearch.label || searchMeta.getEntity(ctrl.savedSearch.api_entity).title_plural;
diff --git a/ext/search_kit/ang/crmSearchAdmin/crmSearchFunction.component.js b/ext/search_kit/ang/crmSearchAdmin/crmSearchFunction.component.js
index 4de24f01223a..251afd3d5074 100644
--- a/ext/search_kit/ang/crmSearchAdmin/crmSearchFunction.component.js
+++ b/ext/search_kit/ang/crmSearchAdmin/crmSearchFunction.component.js
@@ -91,7 +91,7 @@
       this.getFunctions = function() {
         var allowedTypes = [], functions = [];
         if (ctrl.expr && ctrl.fieldArg) {
-          if (ctrl.crmSearchAdmin.canAggregate(ctrl.expr)) {
+          if (ctrl.mode !== 'groupBy' && ctrl.crmSearchAdmin.canAggregate(ctrl.expr)) {
             allowedTypes.push('aggregate');
           } else {
             allowedTypes.push('comparison', 'string');
diff --git a/ext/search_kit/tests/phpunit/api/v4/SearchDisplay/SearchRunTest.php b/ext/search_kit/tests/phpunit/api/v4/SearchDisplay/SearchRunTest.php
index 2b8a2c02c67e..7a2b6e0386aa 100644
--- a/ext/search_kit/tests/phpunit/api/v4/SearchDisplay/SearchRunTest.php
+++ b/ext/search_kit/tests/phpunit/api/v4/SearchDisplay/SearchRunTest.php
@@ -1079,4 +1079,39 @@ public function testGroupByContactType(): void {
     $this->assertEquals(1, $data['Household']);
   }
 
+  public function testGroupByFunction(): void {
+    $source = uniqid(__FUNCTION__);
+    $sampleData = [
+      ['birth_date' => '2009-02-05'],
+      ['birth_date' => '1999-02-22'],
+      ['birth_date' => '2012-05-06'],
+    ];
+    Contact::save(FALSE)
+      ->addDefault('source', $source)
+      ->setRecords($sampleData)
+      ->execute();
+
+    $params = [
+      'checkPermissions' => FALSE,
+      'return' => 'page:1',
+      'savedSearch' => [
+        'api_entity' => 'Contact',
+        'api_params' => [
+          'version' => 4,
+          'select' => ['COUNT(id) AS COUNT_id'],
+          'where' => [['source', '=', $source]],
+          'groupBy' => ['MONTH(birth_date)'],
+        ],
+      ],
+      'display' => NULL,
+      'afform' => NULL,
+    ];
+
+    $result = civicrm_api4('SearchDisplay', 'run', $params);
+    $this->assertCount(2, $result);
+    $data = array_column(array_column((array) $result, 'data'), 'COUNT_id');
+    sort($data);
+    $this->assertEquals([1, 2], $data);
+  }
+
 }