diff --git a/src/interfaces/api/handlers/grant_handler.rs b/src/interfaces/api/handlers/grant_handler.rs
index 77ab00ee..bdd49756 100644
--- a/src/interfaces/api/handlers/grant_handler.rs
+++ b/src/interfaces/api/handlers/grant_handler.rs
@@ -676,12 +676,13 @@ pub async fn list_my_shares(
                 file_idx += 1;
                 match result {
                     Ok(file_dto) => {
+                        // Caller is the granter — they had share-access to the
+                        // resource, so the containing hierarchy is already known
+                        // to them. Keep `path` (unlike list_shared_with_me).
                         items.push(OutgoingResourceItemDto {
                             resource_type: ResourceTypeDto::File,
                             first_shared_at: summary.first_shared_at,
-                            resource: ResourceContentDto::File(
-                                file_dto.clone().without_hierarchy_info(),
-                            ),
+                            resource: ResourceContentDto::File(file_dto.clone()),
                             grants,
                         });
                     }
@@ -708,9 +709,7 @@ pub async fn list_my_shares(
                         items.push(OutgoingResourceItemDto {
                             resource_type: ResourceTypeDto::Folder,
                             first_shared_at: summary.first_shared_at,
-                            resource: ResourceContentDto::Folder(
-                                folder_dto.clone().without_hierarchy_info(),
-                            ),
+                            resource: ResourceContentDto::Folder(folder_dto.clone()),
                             grants,
                         });
                     }
diff --git a/static/js/components/mySharesList.js b/static/js/components/mySharesList.js
index 5c04e202..9dcaadc4 100644
--- a/static/js/components/mySharesList.js
+++ b/static/js/components/mySharesList.js
@@ -167,6 +167,8 @@ class MySharesList {
     _buildResourceLaneHeader(item) {
         const row = document.createElement('div');
         row.className = 'ms-resource-row';
+        if (item.resource.path) row.dataset.path = item.resource.path;
+        if (item.resource.owner_id) row.dataset.ownerId = item.resource.owner_id;
 
         row.appendChild(buildResourceIcon(item.resource, item.resource_type));
 
@@ -229,6 +231,13 @@ class MySharesList {
         if (_expiryState(grant.expires_at ?? null) === 'expired') {
             row.classList.add('ms-grant-row--expired');
         }
+        // In sharedWith mode each grant row represents a (resource → subject)
+        // pair, so stamp the resource hierarchy info for the hover tooltip.
+        // In items mode the row represents a subject — no resource attrs.
+        if (viewMode === 'sharedWith') {
+            if (item.resource.path) row.dataset.path = item.resource.path;
+            if (item.resource.owner_id) row.dataset.ownerId = item.resource.owner_id;
+        }
 
         row.appendChild(this._buildIdentity(grant, item, viewMode));
         row.appendChild(this._buildRolePill(grant.role));
diff --git a/static/js/features/itemTooltip.js b/static/js/features/itemTooltip.js
index 78318fa1..8dd3e6ff 100644
--- a/static/js/features/itemTooltip.js
+++ b/static/js/features/itemTooltip.js
@@ -142,7 +142,7 @@ const _registry = new WeakMap();
 /** Containers known to expose `data-path`/`data-owner-id` for tooltip use.
  *  Add new opt-in row classes here when other views want the tooltip — each
  *  one must stamp the dataset attributes itself. */
-const _TOOLTIP_SELECTOR = '.file-item, .ms-resource-row';
+const _TOOLTIP_SELECTOR = '.file-item, .ms-resource-row, .ms-grant-row';
 
 /**
  * Attach tooltip listeners to every tooltip-capable row inside `container`.