diff --git a/Koha/Schema/Result/HoldGroup.pm b/Koha/Schema/Result/HoldGroup.pm
new file mode 100644
index 0000000000..ee15da9c5d
--- /dev/null
+++ b/Koha/Schema/Result/HoldGroup.pm
@@ -0,0 +1,95 @@
+use utf8;
+package Koha::Schema::Result::HoldGroup;
+
+# Created by DBIx::Class::Schema::Loader
+# DO NOT MODIFY THE FIRST PART OF THIS FILE
+
+=head1 NAME
+
+Koha::Schema::Result::HoldGroup
+
+=cut
+
+use strict;
+use warnings;
+
+use base 'DBIx::Class::Core';
+
+=head1 TABLE: C<hold_groups>
+
+=cut
+
+__PACKAGE__->table("hold_groups");
+
+=head1 ACCESSORS
+
+=head2 hold_group_id
+
+  data_type: 'integer'
+  extra: {unsigned => 1}
+  is_auto_increment: 1
+  is_nullable: 0
+
+=cut
+
+__PACKAGE__->add_columns(
+  "hold_group_id",
+  {
+    data_type => "integer",
+    extra => { unsigned => 1 },
+    is_auto_increment => 1,
+    is_nullable => 0,
+  },
+);
+
+=head1 PRIMARY KEY
+
+=over 4
+
+=item * L</hold_group_id>
+
+=back
+
+=cut
+
+__PACKAGE__->set_primary_key("hold_group_id");
+
+=head1 RELATIONS
+
+=head2 old_reserves
+
+Type: has_many
+
+Related object: L<Koha::Schema::Result::OldReserve>
+
+=cut
+
+__PACKAGE__->has_many(
+  "old_reserves",
+  "Koha::Schema::Result::OldReserve",
+  { "foreign.hold_group_id" => "self.hold_group_id" },
+  { cascade_copy => 0, cascade_delete => 0 },
+);
+
+=head2 reserves
+
+Type: has_many
+
+Related object: L<Koha::Schema::Result::Reserve>
+
+=cut
+
+__PACKAGE__->has_many(
+  "reserves",
+  "Koha::Schema::Result::Reserve",
+  { "foreign.hold_group_id" => "self.hold_group_id" },
+  { cascade_copy => 0, cascade_delete => 0 },
+);
+
+
+# Created by DBIx::Class::Schema::Loader v0.07051 @ 2025-09-03 17:08:22
+# DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:m3/7K38O11278k5glHlXAA
+
+
+# You can replace this text with custom code or comments, and it will be preserved on regeneration
+1;
diff --git a/Koha/Schema/Result/OldReserve.pm b/Koha/Schema/Result/OldReserve.pm
index 5d90798fcd..028386206d 100644
--- a/Koha/Schema/Result/OldReserve.pm
+++ b/Koha/Schema/Result/OldReserve.pm
@@ -231,6 +231,15 @@ Is the hold placed at item level
 
 Is this a non priority hold
 
+=head2 hold_group_id
+
+  data_type: 'integer'
+  extra: {unsigned => 1}
+  is_foreign_key: 1
+  is_nullable: 1
+
+The id of a group of titles reservations fulfilled when one title is picked
+
 =cut
 
 __PACKAGE__->add_columns(
@@ -300,6 +309,13 @@ __PACKAGE__->add_columns(
   { data_type => "tinyint", default_value => 0, is_nullable => 0 },
   "non_priority",
   { data_type => "tinyint", default_value => 0, is_nullable => 0 },
+  "hold_group_id",
+  {
+    data_type => "integer",
+    extra => { unsigned => 1 },
+    is_foreign_key => 1,
+    is_nullable => 1,
+  },
 );
 
 =head1 PRIMARY KEY
@@ -376,6 +392,26 @@ __PACKAGE__->belongs_to(
   },
 );
 
+=head2 hold_group
+
+Type: belongs_to
+
+Related object: L<Koha::Schema::Result::HoldGroup>
+
+=cut
+
+__PACKAGE__->belongs_to(
+  "hold_group",
+  "Koha::Schema::Result::HoldGroup",
+  { hold_group_id => "hold_group_id" },
+  {
+    is_deferrable => 1,
+    join_type     => "LEFT",
+    on_delete     => "SET NULL",
+    on_update     => "SET NULL",
+  },
+);
+
 =head2 item_group
 
 Type: belongs_to
@@ -437,8 +473,8 @@ __PACKAGE__->belongs_to(
 );
 
 
-# Created by DBIx::Class::Schema::Loader v0.07051 @ 2024-10-30 17:21:09
-# DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:6huDoFe9Uil1WyJ7EOcQSw
+# Created by DBIx::Class::Schema::Loader v0.07051 @ 2025-09-03 17:08:22
+# DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:bo/exwlpahEVYtkWjusWLw
 
 __PACKAGE__->belongs_to(
   "item",
diff --git a/Koha/Schema/Result/Reserve.pm b/Koha/Schema/Result/Reserve.pm
index b37465467d..3e65b00f67 100644
--- a/Koha/Schema/Result/Reserve.pm
+++ b/Koha/Schema/Result/Reserve.pm
@@ -229,6 +229,15 @@ Is the hold placed at item level
 
 Is this a non priority hold
 
+=head2 hold_group_id
+
+  data_type: 'integer'
+  extra: {unsigned => 1}
+  is_foreign_key: 1
+  is_nullable: 1
+
+The id of a group of titles reservations fulfilled when one title is picked
+
 =cut
 
 __PACKAGE__->add_columns(
@@ -308,6 +317,13 @@ __PACKAGE__->add_columns(
   { data_type => "tinyint", default_value => 0, is_nullable => 0 },
   "non_priority",
   { data_type => "tinyint", default_value => 0, is_nullable => 0 },
+  "hold_group_id",
+  {
+    data_type => "integer",
+    extra => { unsigned => 1 },
+    is_foreign_key => 1,
+    is_nullable => 1,
+  },
 );
 
 =head1 PRIMARY KEY
@@ -404,6 +420,26 @@ __PACKAGE__->belongs_to(
   },
 );
 
+=head2 hold_group
+
+Type: belongs_to
+
+Related object: L<Koha::Schema::Result::HoldGroup>
+
+=cut
+
+__PACKAGE__->belongs_to(
+  "hold_group",
+  "Koha::Schema::Result::HoldGroup",
+  { hold_group_id => "hold_group_id" },
+  {
+    is_deferrable => 1,
+    join_type     => "LEFT",
+    on_delete     => "SET NULL",
+    on_update     => "CASCADE",
+  },
+);
+
 =head2 item_group
 
 Type: belongs_to
@@ -465,8 +501,8 @@ __PACKAGE__->belongs_to(
 );
 
 
-# Created by DBIx::Class::Schema::Loader v0.07051 @ 2024-10-30 17:21:09
-# DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:bmt1FkgXdJSOMQFdAHO3cQ
+# Created by DBIx::Class::Schema::Loader v0.07051 @ 2025-09-03 17:08:22
+# DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:57Fw53HngTXhDU7kVEjqYw
 
 __PACKAGE__->belongs_to(
   "item",