diff --git a/mail_activity_team/models/res_users.py b/mail_activity_team/models/res_users.py
index 8da1c066b8..125d962d5c 100644
--- a/mail_activity_team/models/res_users.py
+++ b/mail_activity_team/models/res_users.py
@@ -1,5 +1,8 @@
 # Copyright 2018-22 ForgeFlow S.L.
+# Copyright 2026 Dixmit
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+from collections import defaultdict
+
 from odoo import api, fields, models, modules
 
 
@@ -16,58 +19,58 @@ class ResUsers(models.Model):
     def systray_get_activities(self):
         if not self.env.context.get("team_activities"):
             return super().systray_get_activities()
-        query = """SELECT m.id, count(*), act.res_model as model,
-                    CASE
-                        WHEN %(today)s::date -
-                        act.date_deadline::date = 0 Then 'today'
-                        WHEN %(today)s::date -
-                        act.date_deadline::date > 0 Then 'overdue'
-                        WHEN %(today)s::date -
-                        act.date_deadline::date < 0 Then 'planned'
-                    END AS states, act.user_id as user_id
-                    FROM mail_activity AS act
-                    JOIN ir_model AS m ON act.res_model_id = m.id
-                    WHERE team_id in (
-                        SELECT mail_activity_team_id
-                        FROM mail_activity_team_users_rel
-                        WHERE res_users_id = %(user_id)s
-                    )
-                    GROUP BY m.id, states, act.res_model, act.user_id;"""
-        user = self.env.uid
-        self.env.cr.execute(
-            query,
+        activities = self.env["mail.activity"].search(
+            [("team_id.member_ids", "=", self.env.uid)]
+        )
+        activities_by_record_by_model_name = defaultdict(
+            lambda: defaultdict(lambda: self.env["mail.activity"])
+        )
+        for activity in activities:
+            record = self.env[activity.res_model].browse(activity.res_id)
+            activities_by_record_by_model_name[activity.res_model][record] += activity
+        model_ids = list(
             {
-                "today": fields.Date.context_today(self),
-                "user_id": user,
-            },
+                self.env["ir.model"]._get(name).id
+                for name in activities_by_record_by_model_name.keys()
+            }
         )
-        activity_data = self.env.cr.dictfetchall()
-        model_ids = [a["id"] for a in activity_data]
-        model_names = {
-            n[0]: n[1] for n in self.env["ir.model"].sudo().browse(model_ids).name_get()
-        }
         user_activities = {}
-        for activity in activity_data:
-            if not user_activities.get(activity["model"]):
-                module = self.env[activity["model"]]._original_module
-                icon = module and modules.module.get_module_icon(module)
-                user_activities[activity["model"]] = {
-                    "id": activity["id"],
-                    "name": model_names[activity["id"]],
-                    "model": activity["model"],
-                    "type": "activity",
-                    "icon": icon,
-                    "total_count": 0,
-                    "today_count": 0,
-                    "overdue_count": 0,
-                    "planned_count": 0,
-                }
-            user_activities[activity["model"]][
-                "%s_count" % activity["states"]
-            ] += activity["count"]
-            if (
-                activity["states"] in ("today", "overdue")
-                and activity["user_id"] != user
-            ):
-                user_activities[activity["model"]]["total_count"] += activity["count"]
+        for (
+            model_name,
+            activities_by_record,
+        ) in activities_by_record_by_model_name.items():
+            domain = [("id", "in", list({r.id for r in activities_by_record.keys()}))]
+            allowed_records = self.env[model_name].search(domain)
+            if not allowed_records:
+                continue
+            module = self.env[model_name]._original_module
+            icon = module and modules.module.get_module_icon(module)
+            model = self.env["ir.model"]._get(model_name).with_prefetch(model_ids)
+            user_activities[model_name] = {
+                "id": model.id,
+                "name": model.name,
+                "model": model_name,
+                "type": "activity",
+                "icon": icon,
+                "total_count": 0,
+                "today_count": 0,
+                "overdue_count": 0,
+                "planned_count": 0,
+                "actions": [
+                    {
+                        "icon": "fa-clock-o",
+                        "name": "Summary",
+                    }
+                ],
+            }
+            for record, activities in activities_by_record.items():
+                if record not in allowed_records:
+                    continue
+                for activity in activities:
+                    user_activities[model_name]["%s_count" % activity.state] += 1
+                    if (
+                        activity.state in ("today", "overdue")
+                        and activity.user_id != self.env.user
+                    ):
+                        user_activities[model_name]["total_count"] += 1
         return list(user_activities.values())