diff --git a/vendor/magento/module-inventory-grouped-product-indexer/Indexer/SelectBuilder.php b/vendor/magento/module-inventory-grouped-product-indexer/Indexer/SelectBuilder.php
index 262e4951b66..154c97a1111 100644
--- a/vendor/magento/module-inventory-grouped-product-indexer/Indexer/SelectBuilder.php
+++ b/vendor/magento/module-inventory-grouped-product-indexer/Indexer/SelectBuilder.php
@@ -19,6 +19,9 @@ use Magento\InventoryMultiDimensionalIndexerApi\Model\Alias;
 use Magento\InventoryMultiDimensionalIndexerApi\Model\IndexNameBuilder;
 use Magento\InventoryMultiDimensionalIndexerApi\Model\IndexNameResolverInterface;
 
+/**
+ * Class to prepare select for partial reindex
+ */
 class SelectBuilder
 {
     /**
@@ -60,7 +63,7 @@ class SelectBuilder
     }
 
     /**
-     * Prepare select.
+     * Prepare select
      *
      * @param int $stockId
      * @return Select
@@ -81,29 +84,40 @@ class SelectBuilder
         $metadata = $this->metadataPool->getMetadata(ProductInterface::class);
         $linkField = $metadata->getLinkField();
 
-        $select = $connection->select()
-            ->from(
-                ['stock' => $indexTableName],
-                [
-                    IndexStructure::SKU => 'parent_product_entity.sku',
-                    IndexStructure::QUANTITY => 'SUM(stock.quantity)',
-                    IndexStructure::IS_SALABLE => 'MAX(stock.is_salable)',
-                ]
-            )->joinInner(
-                ['product_entity' => $this->resourceConnection->getTableName('catalog_product_entity')],
-                'product_entity.sku = stock.sku',
-                []
-            )->joinInner(
-                ['parent_link' => $this->resourceConnection->getTableName('catalog_product_link')],
-                'parent_link.linked_product_id = product_entity.entity_id 
-                AND parent_link.link_type_id = ' . Link::LINK_TYPE_GROUPED,
-                []
-            )->joinInner(
-                ['parent_product_entity' => $this->resourceConnection->getTableName('catalog_product_entity')],
-                'parent_product_entity.' . $linkField . ' = parent_link.product_id',
-                []
-            )
-            ->group(['parent_product_entity.sku']);
+        $select = $connection->select();
+        $select->from(
+            ['parent_link' => $this->resourceConnection->getTableName('catalog_product_link')],
+            []
+        )->joinInner(
+            ['parent_product_entity' => $this->resourceConnection->getTableName('catalog_product_entity')],
+            "parent_product_entity.{$linkField} = parent_link.product_id",
+            [
+                IndexStructure::SKU => 'parent_product_entity.sku'
+            ]
+        )->joinInner(
+            ['child_link' => $this->resourceConnection->getTableName('catalog_product_link')],
+            'child_link.product_id = parent_link.product_id AND child_link.link_type_id = ' . Link::LINK_TYPE_GROUPED,
+            []
+        )->joinInner(
+            ['child_product_entity' => $this->resourceConnection->getTableName('catalog_product_entity')],
+            "child_product_entity.entity_id = child_link.linked_product_id",
+            []
+        )->joinInner(
+            ['child_stock' => $indexTableName],
+            'child_stock.sku = child_product_entity.sku',
+            [
+                IndexStructure::QUANTITY => 'SUM(child_stock.quantity)',
+                IndexStructure::IS_SALABLE => 'MAX(child_stock.is_salable)',
+            ]
+        )->joinInner(
+            ['child_filter_product_entity' => $this->resourceConnection->getTableName('catalog_product_entity')],
+            "child_filter_product_entity.entity_id = parent_link.linked_product_id",
+            []
+        )->where(
+            'parent_link.link_type_id = ' . Link::LINK_TYPE_GROUPED
+        )->group(
+            ['parent_product_entity.sku']
+        );
 
         return $select;
     }
diff --git a/vendor/magento/module-inventory-grouped-product-indexer/Indexer/SourceItem/IndexDataBySkuListProvider.php b/vendor/magento/module-inventory-grouped-product-indexer/Indexer/SourceItem/IndexDataBySkuListProvider.php
index 5867cecc451..20f621ba65f 100644
--- a/vendor/magento/module-inventory-grouped-product-indexer/Indexer/SourceItem/IndexDataBySkuListProvider.php
+++ b/vendor/magento/module-inventory-grouped-product-indexer/Indexer/SourceItem/IndexDataBySkuListProvider.php
@@ -48,7 +48,7 @@ class IndexDataBySkuListProvider
     {
         $select = $this->selectBuilder->execute($stockId);
         if (count($skuList)) {
-            $select->where('stock.' . IndexStructure::SKU . ' IN (?)', $skuList);
+            $select->where('child_filter_product_entity.' . IndexStructure::SKU . ' IN (?)', $skuList);
         }
         $connection = $this->resourceConnection->getConnection();
 
diff --git a/vendor/magento/module-inventory-grouped-product-indexer/Indexer/SourceItem/SiblingSkuListInStockProvider.php b/vendor/magento/module-inventory-grouped-product-indexer/Indexer/SourceItem/SiblingSkuListInStockProvider.php
index 2ce50835851..f66bc5cd564 100644
--- a/vendor/magento/module-inventory-grouped-product-indexer/Indexer/SourceItem/SiblingSkuListInStockProvider.php
+++ b/vendor/magento/module-inventory-grouped-product-indexer/Indexer/SourceItem/SiblingSkuListInStockProvider.php
@@ -109,8 +109,8 @@ class SiblingSkuListInStockProvider
                 []
             )->joinInner(
                 ['sibling_link' => $this->resourceConnection->getTableName('catalog_product_link')],
-                'sibling_link.product_id = parent_link.product_id 
-                    AND parent_link.link_type_id = ' . Link::LINK_TYPE_GROUPED,
+                'sibling_link.product_id = parent_link.product_id
+                    AND sibling_link.link_type_id = ' . Link::LINK_TYPE_GROUPED,
                 []
             )->joinInner(
                 ['sibling_product_entity' => $this->resourceConnection->getTableName('catalog_product_entity')],