diff --git a/svc/queries/product_performance.go b/svc/queries/product_performance.go
index b27d9a8..54bc491 100644
--- a/svc/queries/product_performance.go
+++ b/svc/queries/product_performance.go
@@ -347,6 +347,10 @@ CREATE TABLE IF NOT EXISTS mk_product_performance_sales_daily (
 		`ALTER TABLE mk_product_performance_sales_daily ADD COLUMN IF NOT EXISTS urun_ana_grubu TEXT NOT NULL DEFAULT ''`,
 		`ALTER TABLE mk_product_performance_sales_daily ADD COLUMN IF NOT EXISTS urun_alt_grubu TEXT NOT NULL DEFAULT ''`,
 		`
+UPDATE mk_product_performance_sales_daily
+SET urun_ilk_grubu = '', updated_at = now()
+WHERE upper(translate(btrim(urun_ilk_grubu), 'İŞĞÜÖÇ', 'ISGUOC')) IN ('YETISKIN', 'YETISKIN/GARSON', 'GARSON')`,
+		`
 DO $$
 BEGIN
   IF EXISTS (
@@ -457,6 +461,10 @@ CREATE TABLE IF NOT EXISTS mk_product_performance_kpi_daily (
 		`ALTER TABLE mk_product_performance_kpi_daily ADD COLUMN IF NOT EXISTS urun_ilk_grubu TEXT NOT NULL DEFAULT ''`,
 		`ALTER TABLE mk_product_performance_kpi_daily ADD COLUMN IF NOT EXISTS urun_ana_grubu TEXT NOT NULL DEFAULT ''`,
 		`ALTER TABLE mk_product_performance_kpi_daily ADD COLUMN IF NOT EXISTS urun_alt_grubu TEXT NOT NULL DEFAULT ''`,
+		`
+UPDATE mk_product_performance_kpi_daily
+SET urun_ilk_grubu = '', updated_at = now()
+WHERE upper(translate(btrim(urun_ilk_grubu), 'İŞĞÜÖÇ', 'ISGUOC')) IN ('YETISKIN', 'YETISKIN/GARSON', 'GARSON')`,
 		`ALTER TABLE mk_product_performance_kpi_daily ADD COLUMN IF NOT EXISTS sales_qty_180d NUMERIC(18,4) NOT NULL DEFAULT 0`,
 		`ALTER TABLE mk_product_performance_kpi_daily ADD COLUMN IF NOT EXISTS sales_usd_180d NUMERIC(18,4) NOT NULL DEFAULT 0`,
 		`ALTER TABLE mk_product_performance_kpi_daily ADD COLUMN IF NOT EXISTS avg_daily_sales_180d NUMERIC(18,6) NOT NULL DEFAULT 0`,
@@ -667,6 +675,7 @@ func refreshProductPerformanceSales(ctx context.Context, tx *sql.Tx, startDate,
 		); err != nil {
 			return count, err
 		}
+		r.UrunIlkGrubu = cleanProductPerformanceFirstGroup(r.UrunIlkGrubu)
 		if _, err := tx.ExecContext(ctx, `
 INSERT INTO mk_product_performance_sales_daily (
   sales_date, product_code, color_code, yaka_kodu, item_description,
@@ -1001,6 +1010,7 @@ LIMIT $`+fmt.Sprint(len(args)-1)+` OFFSET $`+fmt.Sprint(len(args)), args...)
 		); err != nil {
 			return nil, 0, err
 		}
+		r.UrunIlkGrubu = cleanProductPerformanceFirstGroup(r.UrunIlkGrubu)
 		out = append(out, r)
 	}
 	return out, total, rows.Err()
@@ -1340,6 +1350,7 @@ LIMIT $1
 		); err != nil {
 			return nil, err
 		}
+		r.UrunIlkGrubu = cleanProductPerformanceFirstGroup(r.UrunIlkGrubu)
 		out = append(out, r)
 	}
 	return out, rows.Err()
@@ -2172,6 +2183,7 @@ LIMIT $1
 		); err != nil {
 			return nil, err
 		}
+		r.UrunIlkGrubu = cleanProductPerformanceFirstGroup(r.UrunIlkGrubu)
 		out = append(out, r)
 	}
 	return out, rows.Err()
@@ -2324,7 +2336,7 @@ func ListProductPerformanceSalesBreakdown(ctx context.Context, pg *sql.DB, break
 		"item_description": "MAX(s.item_description)",
 		"kategori":         "COALESCE(MAX(s.kategori),'')",
 		"askili_yan":       "MAX(s.askili_yan)",
-		"urun_ilk_grubu":   "COALESCE(MAX(s.urun_ilk_grubu),'')",
+		"urun_ilk_grubu":   "COALESCE(MAX(CASE WHEN upper(translate(btrim(COALESCE(s.urun_ilk_grubu,'')), 'İŞĞÜÖÇ', 'ISGUOC')) IN ('YETISKIN', 'YETISKIN/GARSON', 'GARSON') THEN '' ELSE s.urun_ilk_grubu END),'')",
 		"urun_ana_grubu":   "COALESCE(MAX(s.urun_ana_grubu),'')",
 		"urun_alt_grubu":   "MAX(s.urun_alt_grubu)",
 		"market_key":       "s.market_key",
@@ -2351,7 +2363,7 @@ func ListProductPerformanceSalesBreakdown(ctx context.Context, pg *sql.DB, break
 		selected["market_key"] = true
 		selected["customer_code"] = true
 		selected["customer_name"] = true
-		groupCols = []string{"s.color_code", "s.yaka_kodu", "s.urun_ilk_grubu", "s.askili_yan", "s.kategori", "s.urun_ana_grubu", "s.urun_alt_grubu", "s.product_code", "s.customer_country", "s.market_key", "s.customer_segment", "s.customer_code"}
+		groupCols = []string{"CASE WHEN upper(translate(btrim(COALESCE(s.urun_ilk_grubu,'')), 'İŞĞÜÖÇ', 'ISGUOC')) IN ('YETISKIN', 'YETISKIN/GARSON', 'GARSON') THEN '' ELSE s.urun_ilk_grubu END", "s.color_code", "s.yaka_kodu", "s.askili_yan", "s.kategori", "s.urun_ana_grubu", "s.urun_alt_grubu", "s.product_code", "s.customer_country", "s.market_key", "s.customer_segment", "s.customer_code"}
 	case "product_country_segment_market_customer":
 		selected["product_code"] = true
 		selected["item_description"] = true
@@ -2414,7 +2426,7 @@ func ListProductPerformanceSalesBreakdown(ctx context.Context, pg *sql.DB, break
 		selected["market_key"] = true
 		selected["customer_code"] = true
 		selected["customer_name"] = true
-		groupCols = []string{"s.color_code", "s.yaka_kodu", "s.urun_ilk_grubu", "s.askili_yan", "s.kategori", "s.urun_ana_grubu", "s.urun_alt_grubu", "s.product_code", "s.customer_country", "s.market_key", "s.customer_segment", "s.customer_code"}
+		groupCols = []string{"CASE WHEN upper(translate(btrim(COALESCE(s.urun_ilk_grubu,'')), 'İŞĞÜÖÇ', 'ISGUOC')) IN ('YETISKIN', 'YETISKIN/GARSON', 'GARSON') THEN '' ELSE s.urun_ilk_grubu END", "s.color_code", "s.yaka_kodu", "s.askili_yan", "s.kategori", "s.urun_ana_grubu", "s.urun_alt_grubu", "s.product_code", "s.customer_country", "s.market_key", "s.customer_segment", "s.customer_code"}
 	}
 
 	selectExpr := func(name string) string {
@@ -2432,7 +2444,10 @@ WITH LatestKPI AS (
     yaka_kodu,
     COALESCE(kategori,'') AS kategori,
     askili_yan,
-    COALESCE(urun_ilk_grubu,'') AS urun_ilk_grubu,
+    CASE
+      WHEN upper(translate(btrim(COALESCE(urun_ilk_grubu,'')), 'İŞĞÜÖÇ', 'ISGUOC')) IN ('YETISKIN', 'YETISKIN/GARSON', 'GARSON') THEN ''
+      ELSE COALESCE(urun_ilk_grubu,'')
+    END AS urun_ilk_grubu,
     COALESCE(urun_ana_grubu,'') AS urun_ana_grubu,
     urun_alt_grubu
   FROM mk_product_performance_kpi_daily
@@ -3027,7 +3042,10 @@ WITH Source AS (
     seri,
     yas_grubu,
     askili_yan,
-    COALESCE(urun_ilk_grubu,'') AS urun_ilk_grubu,
+    CASE
+      WHEN upper(translate(btrim(COALESCE(urun_ilk_grubu,'')), 'İŞĞÜÖÇ', 'ISGUOC')) IN ('YETISKIN', 'YETISKIN/GARSON', 'GARSON') THEN ''
+      ELSE COALESCE(urun_ilk_grubu,'')
+    END AS urun_ilk_grubu,
     COALESCE(urun_ana_grubu,'') AS urun_ana_grubu,
     urun_alt_grubu,
     market_key,
@@ -3066,7 +3084,9 @@ WITH Source AS (
 
 func productPerformanceSQLGroupExpr(field string) (string, bool) {
 	switch field {
-	case "kategori", "askili_yan", "urun_ilk_grubu", "urun_ana_grubu", "urun_alt_grubu", "product_code", "item_description", "color_code", "yaka_kodu":
+	case "urun_ilk_grubu":
+		return "CASE WHEN upper(translate(btrim(COALESCE(urun_ilk_grubu,'')), 'İŞĞÜÖÇ', 'ISGUOC')) IN ('YETISKIN', 'YETISKIN/GARSON', 'GARSON') THEN '' ELSE COALESCE(urun_ilk_grubu,'') END", true
+	case "kategori", "askili_yan", "urun_ana_grubu", "urun_alt_grubu", "product_code", "item_description", "color_code", "yaka_kodu":
 		return field, true
 	case "market_key":
 		return "btrim(regexp_replace(COALESCE(market_key,''), '^.*\\|', ''))", true
@@ -4008,6 +4028,7 @@ ORDER BY product_code, color_code, yaka_kodu, performance_score DESC
 		if err := rows.Scan(&productCode, &colorCode, &yakaKodu, &p.itemDescription, &p.kategori, &p.askiliYan, &p.urunIlkGrubu, &p.urunAnaGrubu, &p.urunAltGrubu); err != nil {
 			return nil, err
 		}
+		p.urunIlkGrubu = cleanProductPerformanceFirstGroup(p.urunIlkGrubu)
 		out[productPerformanceVariantKey(productCode, colorCode, yakaKodu)] = p
 	}
 	return out, rows.Err()
diff --git a/ui/src/pages/ProductPerformanceProfitability.vue b/ui/src/pages/ProductPerformanceProfitability.vue
index e77213d..23a3f48 100644
--- a/ui/src/pages/ProductPerformanceProfitability.vue
+++ b/ui/src/pages/ProductPerformanceProfitability.vue
@@ -3844,10 +3844,12 @@ async function loadBackendGroupedRows () {
 }
 
 function normalizeGroupedDisplayRow (tabKey, row) {
+  const nextRow = { ...row }
+  normalizeGroupedProductHierarchyValues(nextRow)
   if (tabKey === 'order_product_customers' || tabKey === 'order_market_details') {
-    return withOrderPeriodScores({ ...row })
+    return withOrderPeriodScores(nextRow)
   }
-  const next = withPeriodScores({ ...row })
+  const next = withPeriodScores(nextRow)
   if (tabKey !== 'products' && tabKey !== 'idle') {
     next.customer_score_90d = Number(next.customer_score_90d || customerSalesPeriodScore(periodMetricSource(next, '90d')))
     next.customer_score_180d = Number(next.customer_score_180d || customerSalesPeriodScore(periodMetricSource(next, '180d')))
@@ -3857,6 +3859,17 @@ function normalizeGroupedDisplayRow (tabKey, row) {
   return next
 }
 
+function normalizeGroupedProductHierarchyValues (row) {
+  row.urun_ilk_grubu = cleanProductFirstGroupValue(row.urun_ilk_grubu)
+  if (row.__group && row.group_field === 'urun_ilk_grubu') {
+    const cleanValue = cleanProductFirstGroupValue(row.group_value || row.label || row.urun_ilk_grubu)
+    row.group_value = cleanValue
+    row.label = cleanValue
+    row.urun_ilk_grubu = cleanValue
+  }
+  return row
+}
+
 function responseRowCount (data) {
   if (Array.isArray(data)) return data.length
   if (Array.isArray(data?.rows)) return data.rows.length