diff --git a/catalogue/detail.pl b/catalogue/detail.pl
index f8a1fe447e..cbe0b8abfa 100755
--- a/catalogue/detail.pl
+++ b/catalogue/detail.pl
@@ -60,6 +60,8 @@ use Koha::Reviews;
 use Koha::SearchEngine::Search;
 use Koha::SearchEngine::QueryBuilder;
 use Koha::Serial::Items;
+use Koha::Library::Group;
+use Koha::Library::Groups;
 
 my $query = CGI->new();
 
@@ -336,6 +338,51 @@ if ( C4::Context->preference('SeparateHoldings') ) {
         $items_to_display->search( { $SeparateHoldingsBranch => { '!=' => C4::Context->userenv->{branch} } } )->count;
     $template->param( other_holdings_count => $other_holdings_count );
 }
+
+if ( C4::Context->preference('SeparateHoldingsByGroup') ) {
+    my $branchcode        = C4::Context->userenv->{branch};
+    my @all_search_groups = Koha::Library::Groups->get_search_groups( { interface => 'staff' } );
+    my @lib_groups;
+    my %branchcode_hash;
+    my %holdings_count;
+
+    foreach my $search_group (@all_search_groups) {
+        while ( my $group = $search_group->next ) {
+            my @all_libs = $group->all_libraries;
+
+            # Check if library is in group
+            if ( grep { $_->branchcode eq $branchcode } @all_libs ) {
+
+                # Get other libraries in group
+                my @other_libs = grep { $_->branchcode ne $branchcode } @all_libs;
+                my @libs_branchcodes;
+
+                foreach my $lib (@other_libs) {
+                    push @libs_branchcodes, $lib->branchcode;
+                }
+
+                # Push logged in branchcode
+                push @libs_branchcodes, $branchcode;
+
+                # Build group branchcode hash
+                $branchcode_hash{ $group->id } = \@libs_branchcodes;
+
+                my $group_holdings_count =
+                    $items_to_display->search( { homebranch => { '-in' => \@libs_branchcodes } } )->count;
+                $holdings_count{ $group->id } = $group_holdings_count;
+
+                push @lib_groups, $group;
+            }
+        }
+    }
+
+    $template->param(
+        lib_groups     => \@lib_groups,
+        branchcodes    => \%branchcode_hash,
+        holdings_count => \%holdings_count,
+    );
+}
+
 $template->param(
     count                  => $all_items->count,         # FIXME 'count' is used in catalog-strings.inc
                                                          # But it's not a meaningful variable, we should rename it there
diff --git a/installer/data/mysql/atomicupdate/bug_35211_separate_holdings_by_group.pl b/installer/data/mysql/atomicupdate/bug_35211_separate_holdings_by_group.pl
new file mode 100755
index 0000000000..bc41cec5c1
--- /dev/null
+++ b/installer/data/mysql/atomicupdate/bug_35211_separate_holdings_by_group.pl
@@ -0,0 +1,22 @@
+use Modern::Perl;
+use Koha::Installer::Output qw(say_warning say_success say_info);
+
+return {
+    bug_number  => "35211",
+    description => "",
+    up          => sub {
+        my ($args) = @_;
+        my ( $dbh, $out ) = @$args{qw(dbh out)};
+
+        # Do you stuffs here
+        $dbh->do(
+            q{
+                INSERT IGNORE INTO systempreferences (variable,value,options,explanation,type)
+                VALUES ('SeparateHoldingsByGroup',NULL,'','Separate current branch holdings and holdings from libraries in the same group','YesNo')
+                }
+        );
+
+        # Other information
+        say_success( $out, "Added new system preference 'SeparateHoldingsByGroup'" );
+    },
+};
diff --git a/installer/data/mysql/mandatory/sysprefs.sql b/installer/data/mysql/mandatory/sysprefs.sql
index 5dd31ccbc4..034f48ed3f 100644
--- a/installer/data/mysql/mandatory/sysprefs.sql
+++ b/installer/data/mysql/mandatory/sysprefs.sql
@@ -737,6 +737,7 @@ INSERT INTO systempreferences ( `variable`, `value`, `options`, `explanation`, `
 ('SendAllEmailsTo','',NULL,'All emails will be redirected to this email if it is not empty','free'),
 ('SeparateHoldings','0',NULL,'Separate current branch holdings from other holdings','YesNo'),
 ('SeparateHoldingsBranch','homebranch','homebranch|holdingbranch','Branch used to separate holdings','Choice'),
+('SeparateHoldingsByGroup','0',NULL,'Separate current branch holdings and holdings from libraries in the same library groups','YesNo'),
 ('SerialsDefaultEmailAddress', '', NULL, 'Default email address used as reply-to for notices sent by the serials module.', 'Free'),
 ('SerialsDefaultReplyTo', '', NULL, 'Default email address that serials notices are sent from.', 'Free'),
 ('SerialsSearchResultsLimit', '', NULL, 'Serials search results limit', 'integer'),
diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/html_helpers/tables/items/catalogue_detail.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/html_helpers/tables/items/catalogue_detail.inc
index d74198bdaf..569ee71189 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/html_helpers/tables/items/catalogue_detail.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/html_helpers/tables/items/catalogue_detail.inc
@@ -296,6 +296,17 @@
             holdings: "[% PROCESS 'build_table' tab="holdings" | collapse | $tojson %]",
             otherholdings: "[% PROCESS 'build_table' tab="otherholdings" | collapse | $tojson %]",
         };
+
+        const branchcodes = {
+          [% FOREACH key IN branchcodes.keys %]
+            "[% key | html %]": [
+              [% FOREACH code IN branchcodes.$key %]
+                "[% code | html %]"[% UNLESS loop.last %], [% END %]
+              [% END %]
+            ][% UNLESS loop.last %], [% END %]
+          [% END %]
+        };
+
         function build_items_table (tab_id, add_filters, dt_options, drawcallback) {
 
             let table_dt;
@@ -321,6 +332,19 @@
                 }
             [% END %]
 
+            [% IF Koha.Preference('SeparateHoldingsByGroup') %]
+                if ( tab_id.includes('group_holdings') ) {
+                    user_colvis[tab_id] = {};
+                    items_table_settings[tab_id] = [% TablesSettings.GetTableSettings('catalogue', 'detail','otherholdings_table','json')  | $raw %];
+
+                    const id = tab_id.replace("group_holdings_", "");
+
+                    let branch = '[% IF SeparateHoldingsBranch == 'homebranch' %]me.home_library_id[% ELSE %]me.holding_library_id[% END %]';
+                    default_filters[branch] = branchcodes[id];
+
+                }
+            [% END %]
+
             [% IF hidden_count %]
                 default_filters.lost_status = "0";
             [% END %]
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/cataloguing.pref b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/cataloguing.pref
index 9c62cae068..33043ed714 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/cataloguing.pref
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/cataloguing.pref
@@ -301,6 +301,12 @@ Cataloging:
                 homebranch: 'home library'
                 holdingbranch: 'holding library'
             - "is the logged in user's library. The second tab will contain all other items."
+        -
+            - pref: SeparateHoldingsByGroup
+              choices:
+                  1: Separate
+                  0: "Don't separate"
+            - "holdings by library group in subsequent tabs that contain items whose home library is the logged in library branch."
         -
             - pref: AlwaysShowHoldingsTableFilters
               choices:
@@ -408,4 +414,4 @@ Cataloging:
             - "<br/>"
             - "All values of repeating tags and subfields will be printed with the given RIS tag."
             - "<br/>"
-            - "Use of TY ( record type ) as a key will <em>replace</em> the default TY with the field value of your choosing."
\ No newline at end of file
+            - "Use of TY ( record type ) as a key will <em>replace</em> the default TY with the field value of your choosing."
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/detail.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/detail.tt
index 061b5d39a1..8c678223aa 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/detail.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/detail.tt
@@ -337,6 +337,16 @@
                     <span>Holdings ([% items_to_display_count || 0 | html %])</span>
                 [% END %]
             [% END %]
+            [% IF Koha.Preference('SeparateHoldingsByGroup') && lib_groups %]
+                [% FOREACH group IN lib_groups %]
+                    [% IF ( holdings_count.${group.id} > 0 ) %]
+                        [% WRAPPER tab_item tabname="group_holdings_" _ group.id %]
+                            <span>[% group.title | html %] - Group ([% holdings_count.${group.id} | html %])</span>
+                        [% END %]
+                    [% END %]
+                [% END %]
+            [% END %]
+
             [% IF Koha.Preference('EnableItemGroups') %]
                 [% WRAPPER tab_item tabname= "item_groups" %]
                     <span>Item groups</span>
@@ -476,6 +486,16 @@
                     [% PROCESS items_table tab="otherholdings" %]
                 [% END # /tab_panel %]
             [% END %]
+            [% IF Koha.Preference('SeparateHoldingsByGroup') && lib_groups %]
+                [% FOREACH group IN lib_groups %]
+                    [% IF ( holdings_count.${group.id} > 0 ) %]
+                        [% SET group_tab = "group_holdings_" _ group.id %]
+                        [% WRAPPER tab_panel tabname=group_tab %]
+                            [% PROCESS items_table tab=group_tab %]
+                        [% END # /tab_panel %]
+                    [% END %]
+                [% END %]
+            [% END %]
 
             [% IF ( MARCNOTES ) %]
                 [% WRAPPER tab_panel tabname="description" %]
@@ -1734,7 +1754,15 @@
             var bundle_lost_value = [% Koha.Preference('BundleLostValue') | html %];
         [% END %]
 
-        let items_tab_ids = [ 'holdings', 'otherholdings' ];
+        let items_tab_ids = [
+            'holdings',
+            'otherholdings'
+            [% IF Koha.Preference('SeparateHoldingsByGroup') && lib_groups %]
+                [% FOREACH group IN lib_groups %]
+                , 'group_holdings_[% group.id | html %]'
+                [% END %]
+            [% END %]
+        ];
         items_tab_ids.forEach( function( tab_id, index ) {
 
             // Early return if the tab is not shown (ie. no table)