diff --git a/DataDomain/ShareModel.cs b/DataDomain/ShareModel.cs
new file mode 100644
index 0000000..290b3c8
--- /dev/null
+++ b/DataDomain/ShareModel.cs
@@ -0,0 +1,10 @@
+namespace DataDomain
+{
+    public class ShareModel
+    {
+        public int Id { get; set; }
+        public string GroupName { get; set; }
+        public string StockName { get; set; }
+
+    }
+}
\ No newline at end of file
diff --git a/DatamodelLibrary/Migrations/20220201161420_StockGroups_table.Designer.cs b/DatamodelLibrary/Migrations/20220201161420_StockGroups_table.Designer.cs
new file mode 100644
index 0000000..11cf98b
--- /dev/null
+++ b/DatamodelLibrary/Migrations/20220201161420_StockGroups_table.Designer.cs
@@ -0,0 +1,194 @@
+// <auto-generated />
+using System;
+using DatamodelLibrary;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+namespace DatamodelLibrary.Migrations
+{
+    [DbContext(typeof(StockContext))]
+    [Migration("20220201161420_StockGroups_table")]
+    partial class StockGroups_table
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "5.0.6");
+
+            modelBuilder.Entity("DataDomain.Address", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Destination")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Nation")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Street")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Street2")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("Zipcode")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Addresses");
+                });
+
+            modelBuilder.Entity("DataDomain.BackupRegister", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<DateTime>("BackedUp")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("BackupDbName")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("BackupPath")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("DbName")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("BackupRegings");
+                });
+
+            modelBuilder.Entity("DataDomain.Person", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<long>("AccountNo")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Born")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("ClearingNo")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Comments")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("FirstName")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("HomeAddress")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("InvoiceAddress")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("LastName")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("NickName")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Persons");
+                });
+
+            modelBuilder.Entity("DataDomain.PersonStock", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Comment")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("PersonId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int>("StockId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("PersonStocks");
+                });
+
+            modelBuilder.Entity("DataDomain.ShareModel", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("GroupName")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("StockName")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("StockGroups");
+                });
+
+            modelBuilder.Entity("DataDomain.StockMember", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<long>("ActAmount")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<DateTime?>("ActDate")
+                        .HasColumnType("TEXT");
+
+                    b.Property<decimal>("ActValue")
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime>("BuyDate")
+                        .HasColumnType("TEXT");
+
+                    b.Property<decimal>("BuyValue")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Comment")
+                        .HasColumnType("TEXT");
+
+                    b.Property<long>("PostAmount")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<DateTime?>("SoldDate")
+                        .HasColumnType("TEXT");
+
+                    b.Property<decimal>("SoldStockPrice")
+                        .HasColumnType("TEXT");
+
+                    b.Property<decimal?>("SoldValue")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("StockExtId")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("StockId")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Stocks");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/DatamodelLibrary/Migrations/20220201161420_StockGroups_table.cs b/DatamodelLibrary/Migrations/20220201161420_StockGroups_table.cs
new file mode 100644
index 0000000..a3cfccd
--- /dev/null
+++ b/DatamodelLibrary/Migrations/20220201161420_StockGroups_table.cs
@@ -0,0 +1,30 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace DatamodelLibrary.Migrations
+{
+    public partial class StockGroups_table : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "StockGroups",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    GroupName = table.Column<string>(type: "TEXT", nullable: true),
+                    StockName = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_StockGroups", x => x.Id);
+                });
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "StockGroups");
+        }
+    }
+}
diff --git a/DatamodelLibrary/Migrations/StockContextModelSnapshot.cs b/DatamodelLibrary/Migrations/StockContextModelSnapshot.cs
index 598701e..e43a9f1 100644
--- a/DatamodelLibrary/Migrations/StockContextModelSnapshot.cs
+++ b/DatamodelLibrary/Migrations/StockContextModelSnapshot.cs
@@ -123,6 +123,23 @@ namespace DatamodelLibrary.Migrations
                     b.ToTable("PersonStocks");
                 });
 
+            modelBuilder.Entity("DataDomain.ShareModel", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("GroupName")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("StockName")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("StockGroups");
+                });
+
             modelBuilder.Entity("DataDomain.StockMember", b =>
                 {
                     b.Property<int>("Id")
diff --git a/DatamodelLibrary/StockContext.cs b/DatamodelLibrary/StockContext.cs
index 6bce6ae..098df71 100644
--- a/DatamodelLibrary/StockContext.cs
+++ b/DatamodelLibrary/StockContext.cs
@@ -15,6 +15,7 @@ namespace DatamodelLibrary
         public DbSet<Address> Addresses { get; set; }
         public DbSet<PersonStock> PersonStocks { get; set; }
         public DbSet<BackupRegister> BackupRegings { get; set; }
+        public DbSet<ShareModel> StockGroups { get; set; }
 
         protected override void OnConfiguring(DbContextOptionsBuilder options)
             => options.UseSqlite("Data Source=Stocks.db");
diff --git a/StockInfoCore/Stocks.db b/StockInfoCore/Stocks.db
index f3f0c83..a9641b4 100644
Binary files a/StockInfoCore/Stocks.db and b/StockInfoCore/Stocks.db differ
diff --git a/StockInfoCore/Stocks.db-shm b/StockInfoCore/Stocks.db-shm
new file mode 100644
index 0000000..cb81175
Binary files /dev/null and b/StockInfoCore/Stocks.db-shm differ
diff --git a/StockInfoCore/Stocks.db-wal b/StockInfoCore/Stocks.db-wal
new file mode 100644
index 0000000..2e7fdb6
Binary files /dev/null and b/StockInfoCore/Stocks.db-wal differ