diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1128a6205..d178ae97a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Changed the _As seen in_ section on the landing page to an animated carousel
+- Refactored `transactionCount` to `activitiesCount` in the endpoint `GET api/v1/portfolio/holding/:dataSource/:symbol`
 - Refactored various components to use self-closing tags
 - Improved the language localization for German (`de`)
 
diff --git a/apps/api/src/app/portfolio/portfolio.service.ts b/apps/api/src/app/portfolio/portfolio.service.ts
index e73f79784..f774378ef 100644
--- a/apps/api/src/app/portfolio/portfolio.service.ts
+++ b/apps/api/src/app/portfolio/portfolio.service.ts
@@ -778,6 +778,7 @@ export class PortfolioService {
     if (activities.length === 0) {
       return {
         activities: [],
+        activitiesCount: 0,
         averagePrice: undefined,
         dataProviderInfo: undefined,
         dividendInBaseCurrency: undefined,
@@ -802,7 +803,6 @@ export class PortfolioService {
         quantity: undefined,
         SymbolProfile: undefined,
         tags: [],
-        transactionCount: undefined,
         value: undefined
       };
     }
@@ -966,8 +966,8 @@ export class PortfolioService {
         marketPriceMin,
         SymbolProfile,
         tags,
-        transactionCount,
         activities: activitiesOfHolding,
+        activitiesCount: transactionCount,
         averagePrice: averagePrice.toNumber(),
         dataProviderInfo: portfolioCalculator.getDataProviderInfos()?.[0],
         dividendInBaseCurrency: dividendInBaseCurrency.toNumber(),
@@ -1070,6 +1070,7 @@ export class PortfolioService {
         marketPriceMin,
         SymbolProfile,
         activities: [],
+        activitiesCount: 0,
         averagePrice: 0,
         dataProviderInfo: undefined,
         dividendInBaseCurrency: 0,
@@ -1095,7 +1096,6 @@ export class PortfolioService {
         },
         quantity: 0,
         tags: [],
-        transactionCount: undefined,
         value: 0
       };
     }
diff --git a/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.component.ts b/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.component.ts
index 8f6616174..d4c1c59c1 100644
--- a/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.component.ts
+++ b/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.component.ts
@@ -100,6 +100,7 @@ import { HoldingDetailDialogParams } from './interfaces/interfaces';
   templateUrl: 'holding-detail-dialog.html'
 })
 export class GfHoldingDetailDialogComponent implements OnDestroy, OnInit {
+  public activitiesCount: number;
   public activityForm: FormGroup;
   public accounts: Account[];
   public assetClass: string;
@@ -151,8 +152,6 @@ export class GfHoldingDetailDialogComponent implements OnDestroy, OnInit {
   public SymbolProfile: EnhancedSymbolProfile;
   public tags: Tag[];
   public tagsAvailable: Tag[];
-  public totalItems: number;
-  public transactionCount: number;
   public user: User;
   public value: number;
 
@@ -261,6 +260,7 @@ export class GfHoldingDetailDialogComponent implements OnDestroy, OnInit {
       .pipe(takeUntil(this.unsubscribeSubject))
       .subscribe(
         ({
+          activitiesCount,
           averagePrice,
           dataProviderInfo,
           dividendInBaseCurrency,
@@ -279,9 +279,9 @@ export class GfHoldingDetailDialogComponent implements OnDestroy, OnInit {
           quantity,
           SymbolProfile,
           tags,
-          transactionCount,
           value
         }) => {
+          this.activitiesCount = activitiesCount;
           this.averagePrice = averagePrice;
 
           if (
@@ -429,8 +429,6 @@ export class GfHoldingDetailDialogComponent implements OnDestroy, OnInit {
 
           this.activityForm.setValue({ tags: this.tags }, { emitEvent: false });
 
-          this.transactionCount = transactionCount;
-          this.totalItems = transactionCount;
           this.value = value;
 
           if (SymbolProfile?.assetClass) {
diff --git a/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.html b/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.html
index 651f01a65..298692303 100644
--- a/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.html
+++ b/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.html
@@ -223,9 +223,9 @@
               <gf-value
                 size="medium"
                 [locale]="data.locale"
-                [value]="transactionCount"
+                [value]="activitiesCount"
               >
-                @if (transactionCount === 1) {
+                @if (activitiesCount === 1) {
                   <ng-container i18n>Activity</ng-container>
                 } @else {
                   <ng-container i18n>Activities</ng-container>
@@ -363,7 +363,7 @@
           [sortColumn]="sortColumn"
           [sortDirection]="sortDirection"
           [sortDisabled]="true"
-          [totalItems]="totalItems"
+          [totalItems]="activitiesCount"
           (activityToClone)="onCloneActivity($event)"
           (activityToUpdate)="onUpdateActivity($event)"
           (export)="onExport()"
diff --git a/libs/common/src/lib/interfaces/responses/portfolio-holding-response.interface.ts b/libs/common/src/lib/interfaces/responses/portfolio-holding-response.interface.ts
index 000460228..b82a8f85d 100644
--- a/libs/common/src/lib/interfaces/responses/portfolio-holding-response.interface.ts
+++ b/libs/common/src/lib/interfaces/responses/portfolio-holding-response.interface.ts
@@ -10,6 +10,7 @@ import { Tag } from '@prisma/client';
 
 export interface PortfolioHoldingResponse {
   activities: Activity[];
+  activitiesCount: number;
   averagePrice: number;
   dataProviderInfo: DataProviderInfo;
   dividendInBaseCurrency: number;
@@ -34,6 +35,5 @@ export interface PortfolioHoldingResponse {
   quantity: number;
   SymbolProfile: EnhancedSymbolProfile;
   tags: Tag[];
-  transactionCount: number;
   value: number;
 }