diff --git a/apps/business/src/pages/PortfolioListPage.tsx b/apps/business/src/pages/PortfolioListPage.tsx
index 1e7c4f1..780a5f3 100644
--- a/apps/business/src/pages/PortfolioListPage.tsx
+++ b/apps/business/src/pages/PortfolioListPage.tsx
@@ -176,22 +176,17 @@ export function PortfolioListPage() {
     if (index < 0) return
     if (index === 0 && currentPage === 1) return
 
-    const current = portfolios[index]
-    // Jump above the current page leader (highest sort_order wins). Avoids
-    // fragile swaps that no-op when ties / secondary date order disagree.
-    const leader = portfolios[0]
-    const nextSortOrder =
-      index === 0
-        ? current.sortOrder + 1
-        : Math.max(leader.sortOrder, current.sortOrder) + 1
-
     setMovingUpId(id)
     setError('')
 
     try {
-      await updatePortfolio(current.id, { sortOrder: nextSortOrder })
+      await updatePortfolio(id, { moveToTop: true })
       showToast(t('portfolio.list.toast.movedUp'), 'success')
-      await loadPortfolios(currentPage)
+      // Absolute top lives on page 1 — jump there so the move is visible.
+      writeListQuery(appliedName, appliedCategoryId, 1)
+      if (currentPage === 1) {
+        await loadPortfolios(1)
+      }
     } catch (err) {
       if (err instanceof ApiError) {
         setError(err.message)
diff --git a/apps/business/src/services/portfolioService.ts b/apps/business/src/services/portfolioService.ts
index aeed02e..b7fabde 100644
--- a/apps/business/src/services/portfolioService.ts
+++ b/apps/business/src/services/portfolioService.ts
@@ -80,6 +80,8 @@ export interface UpdatePortfolioPayload {
   galleryMediaIds?: string[]
   tags?: string[]
   sortOrder?: number
+  /** Pin to absolute top of the business portfolio list. */
+  moveToTop?: boolean
 }
 
 export function resolvePortfolioTitleImageUrl(portfolio: PortfolioApi): string | null {