diff --git a/stock_inventory_valuation_ods/inventory.ods b/stock_inventory_valuation_ods/inventory.ods
index 6acaf7d..12d2870 100644
Binary files a/stock_inventory_valuation_ods/inventory.ods and b/stock_inventory_valuation_ods/inventory.ods differ
diff --git a/stock_inventory_valuation_ods/inventory_grouped.ods b/stock_inventory_valuation_ods/inventory_grouped.ods
new file mode 100644
index 0000000..8886005
Binary files /dev/null and b/stock_inventory_valuation_ods/inventory_grouped.ods differ
diff --git a/stock_inventory_valuation_ods/inventory_grouped.py b/stock_inventory_valuation_ods/inventory_grouped.py
new file mode 100644
index 0000000..edd01af
--- /dev/null
+++ b/stock_inventory_valuation_ods/inventory_grouped.py
@@ -0,0 +1,38 @@
+# -*- coding: utf-8 -*-
+# © 2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from openerp.report import report_sxw
+
+
+class Parser(report_sxw.rml_parse):
+    def __init__(self, cr, uid, name, context=None):
+        super(Parser, self).__init__(cr, uid, name, context=context)
+        self.localcontext.update({
+            'group_lines': self._group_lines,
+            })
+
+    def _group_lines(self, inventory, context=None):
+        assert inventory, 'Missing inventory'
+        self.cr.execute("""
+            SELECT
+            min(id) AS min_line_id,
+            product_id,
+            package_id,
+            prod_lot_id,
+            product_uom_id,
+            standard_price,
+            sum(product_qty) AS product_qty,
+            sum(theoretical_qty) AS theoretical_qty
+            FROM stock_inventory_line
+            WHERE inventory_id=%s
+            GROUP BY product_id, package_id, prod_lot_id,
+                     product_uom_id, standard_price
+            """, (inventory.id, ))
+        res = []
+        silo = self.pool['stock.inventory.line']
+        for row in self.cr.dictfetchall():
+            row['min_line'] = silo.browse(
+                self.cr, self.uid, row['min_line_id'], context=context)
+            res.append(row)
+        return res
diff --git a/stock_inventory_valuation_ods/report.xml b/stock_inventory_valuation_ods/report.xml
index b9f1f11..8f5d20d 100644
--- a/stock_inventory_valuation_ods/report.xml
+++ b/stock_inventory_valuation_ods/report.xml
@@ -4,7 +4,7 @@
 
 
 <record id="stock_inventory_valuation_ods" model="ir.actions.report.xml">
-    <field name="name">Inventory Valuation ODS</field>
+    <field name="name">Inventory Valuation per Location (ODS)</field>
     <field name="model">stock.inventory</field>
     <field name="report_name">stock.inventory.ods</field>
     <field name="report_type">aeroo</field>
@@ -16,12 +16,32 @@
 </record>
 
 <record id="stock_inventory_valuation_ods_button" model="ir.values">
-    <field name="name">Inventory Valuation ODS</field>
+    <field name="name">Inventory Valuation per Location ODS</field>
     <field name="model">stock.inventory</field>
     <field name="key2">client_print_multi</field>
     <field name="value" eval="'ir.actions.report.xml,%d'%stock_inventory_valuation_ods"/>
 </record>
 
+<record id="stock_inventory_valuation_grouped_ods" model="ir.actions.report.xml">
+    <field name="name">Inventory Valuation (ODS)</field>
+    <field name="model">stock.inventory</field>
+    <field name="report_name">stock.inventory.grouped.ods</field>
+    <field name="report_type">aeroo</field>
+    <field name="in_format">oo-ods</field>
+    <field name="report_rml">stock_inventory_valuation_ods/inventory_grouped.ods</field>
+    <field name="parser_state">loc</field>
+    <field name="parser_loc">stock_inventory_valuation_ods/inventory_grouped.py</field>
+    <field name="tml_source">file</field>
+    <field name="out_format" ref="report_aeroo.report_mimetypes_ods_ods"/>
+</record>
+
+<record id="stock_inventory_valuation_grouped_ods_button" model="ir.values">
+    <field name="name">Inventory Valuation ODS</field>
+    <field name="model">stock.inventory</field>
+    <field name="key2">client_print_multi</field>
+    <field name="value" eval="'ir.actions.report.xml,%d'%stock_inventory_valuation_grouped_ods"/>
+</record>
+
 
 </data>
 </openerp>