diff --git a/apps/api/src/app/account/get-all-accounts.dto.ts b/apps/api/src/app/account/get-all-accounts.dto.ts
index af10840d58..efee3e6839 100644
--- a/apps/api/src/app/account/get-all-accounts.dto.ts
+++ b/apps/api/src/app/account/get-all-accounts.dto.ts
@@ -1,10 +1,11 @@
 import { FilterDto } from '@ghostfolio/api/dtos/filter.dto';
+import { SEARCH_QUERY_MAXIMUM_LENGTH } from '@ghostfolio/common/config';
 
 import { IsOptional, IsString, MaxLength } from 'class-validator';
 
 export class GetAllAccountsDto extends FilterDto {
   @IsOptional()
   @IsString()
-  @MaxLength(255)
+  @MaxLength(SEARCH_QUERY_MAXIMUM_LENGTH)
   query?: string;
 }
diff --git a/apps/api/src/app/endpoints/data-providers/ghostfolio/get-lookup.dto.ts b/apps/api/src/app/endpoints/data-providers/ghostfolio/get-lookup.dto.ts
index e3aa726b4a..0778d1b5bf 100644
--- a/apps/api/src/app/endpoints/data-providers/ghostfolio/get-lookup.dto.ts
+++ b/apps/api/src/app/endpoints/data-providers/ghostfolio/get-lookup.dto.ts
@@ -1,3 +1,5 @@
+import { SEARCH_QUERY_MAXIMUM_LENGTH } from '@ghostfolio/common/config';
+
 import { Transform, TransformFnParams } from 'class-transformer';
 import { IsBoolean, IsString, MaxLength } from 'class-validator';
 
@@ -9,6 +11,6 @@ export class GetLookupDto {
   includeIndices? = false;
 
   @IsString()
-  @MaxLength(255)
+  @MaxLength(SEARCH_QUERY_MAXIMUM_LENGTH)
   query? = '';
 }
diff --git a/apps/api/src/app/portfolio/get-holdings.dto.ts b/apps/api/src/app/portfolio/get-holdings.dto.ts
index 61413f299b..6e3d9669e2 100644
--- a/apps/api/src/app/portfolio/get-holdings.dto.ts
+++ b/apps/api/src/app/portfolio/get-holdings.dto.ts
@@ -1,4 +1,5 @@
 import { DateRangeFilterDto } from '@ghostfolio/api/dtos/date-range-filter.dto';
+import { SEARCH_QUERY_MAXIMUM_LENGTH } from '@ghostfolio/common/config';
 import { HoldingType } from '@ghostfolio/common/types';
 
 import { IsIn, IsOptional, IsString, MaxLength } from 'class-validator';
@@ -10,6 +11,6 @@ export class GetHoldingsDto extends DateRangeFilterDto {
 
   @IsOptional()
   @IsString()
-  @MaxLength(255)
+  @MaxLength(SEARCH_QUERY_MAXIMUM_LENGTH)
   query?: string;
 }
diff --git a/apps/api/src/app/symbol/get-lookup.dto.ts b/apps/api/src/app/symbol/get-lookup.dto.ts
index e3aa726b4a..0778d1b5bf 100644
--- a/apps/api/src/app/symbol/get-lookup.dto.ts
+++ b/apps/api/src/app/symbol/get-lookup.dto.ts
@@ -1,3 +1,5 @@
+import { SEARCH_QUERY_MAXIMUM_LENGTH } from '@ghostfolio/common/config';
+
 import { Transform, TransformFnParams } from 'class-transformer';
 import { IsBoolean, IsString, MaxLength } from 'class-validator';
 
@@ -9,6 +11,6 @@ export class GetLookupDto {
   includeIndices? = false;
 
   @IsString()
-  @MaxLength(255)
+  @MaxLength(SEARCH_QUERY_MAXIMUM_LENGTH)
   query? = '';
 }
diff --git a/apps/api/src/dtos/filter.dto.ts b/apps/api/src/dtos/filter.dto.ts
index 20cfa518db..a42694f8c5 100644
--- a/apps/api/src/dtos/filter.dto.ts
+++ b/apps/api/src/dtos/filter.dto.ts
@@ -1,3 +1,5 @@
+import { SYMBOL_MAXIMUM_LENGTH } from '@ghostfolio/common/config';
+
 import { IsOptional, IsString, MaxLength } from 'class-validator';
 
 export class FilterDto {
@@ -15,7 +17,7 @@ export class FilterDto {
 
   @IsOptional()
   @IsString()
-  @MaxLength(255)
+  @MaxLength(SYMBOL_MAXIMUM_LENGTH)
   symbol?: string;
 
   @IsOptional()
diff --git a/apps/client/src/app/pages/portfolio/activities/create-or-update-activity-dialog/create-or-update-activity-dialog.component.ts b/apps/client/src/app/pages/portfolio/activities/create-or-update-activity-dialog/create-or-update-activity-dialog.component.ts
index 853787f804..1675933f96 100644
--- a/apps/client/src/app/pages/portfolio/activities/create-or-update-activity-dialog/create-or-update-activity-dialog.component.ts
+++ b/apps/client/src/app/pages/portfolio/activities/create-or-update-activity-dialog/create-or-update-activity-dialog.component.ts
@@ -3,7 +3,8 @@ import { UserService } from '@ghostfolio/client/services/user/user.service';
 import {
   ASSET_CLASS_MAPPING,
   COMMENT_MAXIMUM_LENGTH,
-  DEFAULT_LOCALE
+  DEFAULT_LOCALE,
+  SYMBOL_MAXIMUM_LENGTH
 } from '@ghostfolio/common/config';
 import { CreateOrderDto, UpdateOrderDto } from '@ghostfolio/common/dtos';
 import {
@@ -85,6 +86,7 @@ import { ActivityType } from './types/activity-type.type';
 export class GfCreateOrUpdateActivityDialogComponent {
   protected readonly COMMENT_MAXIMUM_LENGTH = COMMENT_MAXIMUM_LENGTH;
   protected readonly DEFAULT_LOCALE = DEFAULT_LOCALE;
+  protected readonly SYMBOL_MAXIMUM_LENGTH = SYMBOL_MAXIMUM_LENGTH;
 
   protected activityForm: FormGroup;
 
diff --git a/apps/client/src/app/pages/portfolio/activities/create-or-update-activity-dialog/create-or-update-activity-dialog.html b/apps/client/src/app/pages/portfolio/activities/create-or-update-activity-dialog/create-or-update-activity-dialog.html
index f9494efdc2..bfc330a36b 100644
--- a/apps/client/src/app/pages/portfolio/activities/create-or-update-activity-dialog/create-or-update-activity-dialog.html
+++ b/apps/client/src/app/pages/portfolio/activities/create-or-update-activity-dialog/create-or-update-activity-dialog.html
@@ -114,7 +114,11 @@
     >
       <mat-form-field appearance="outline" class="w-100">
         <mat-label i18n>Name</mat-label>
-        <input formControlName="name" matInput />
+        <input
+          formControlName="name"
+          matInput
+          [maxlength]="SYMBOL_MAXIMUM_LENGTH"
+        />
       </mat-form-field>
     </div>
     <div class="d-none">
diff --git a/libs/common/src/lib/config.ts b/libs/common/src/lib/config.ts
index a7f1114f81..77e8542398 100644
--- a/libs/common/src/lib/config.ts
+++ b/libs/common/src/lib/config.ts
@@ -344,6 +344,7 @@ export const REPLACE_NAME_PARTS = [
   'Xtrackers (IE) Plc -'
 ];
 
+export const SEARCH_QUERY_MAXIMUM_LENGTH = 255;
 export const SEARCH_QUERY_MINIMUM_LENGTH = 2;
 
 export const SECTORS = [
@@ -380,6 +381,8 @@ export const SUPPORTED_LANGUAGE_CODES = [
   'zh'
 ] as const;
 
+export const SYMBOL_MAXIMUM_LENGTH = 255;
+
 export const TAG_ID_DEMO = 'efa08cb3-9b9d-4974-ac68-db13a19c4874';
 export const TAG_ID_DRAFT = '0c077abd-eca2-4cbb-818c-6cefbf2d169a';
 export const TAG_ID_EMERGENCY_FUND = '4452656d-9fa4-4bd0-ba38-70492e31d180';
diff --git a/libs/common/src/lib/dtos/create-order.dto.ts b/libs/common/src/lib/dtos/create-order.dto.ts
index f4d5524395..1345f418a1 100644
--- a/libs/common/src/lib/dtos/create-order.dto.ts
+++ b/libs/common/src/lib/dtos/create-order.dto.ts
@@ -1,4 +1,7 @@
-import { COMMENT_MAXIMUM_LENGTH } from '@ghostfolio/common/config';
+import {
+  COMMENT_MAXIMUM_LENGTH,
+  SYMBOL_MAXIMUM_LENGTH
+} from '@ghostfolio/common/config';
 import { IsAfter1970Constraint } from '@ghostfolio/common/validator-constraints/is-after-1970';
 import { IsCurrencyCode } from '@ghostfolio/common/validators/is-currency-code';
 
@@ -64,7 +67,7 @@ export class CreateOrderDto {
   quantity: number;
 
   @IsString()
-  @MaxLength(255)
+  @MaxLength(SYMBOL_MAXIMUM_LENGTH)
   symbol: string;
 
   @ArrayUnique()
diff --git a/libs/common/src/lib/dtos/update-order.dto.ts b/libs/common/src/lib/dtos/update-order.dto.ts
index 0587e21ec7..69d993559e 100644
--- a/libs/common/src/lib/dtos/update-order.dto.ts
+++ b/libs/common/src/lib/dtos/update-order.dto.ts
@@ -1,4 +1,7 @@
-import { COMMENT_MAXIMUM_LENGTH } from '@ghostfolio/common/config';
+import {
+  COMMENT_MAXIMUM_LENGTH,
+  SYMBOL_MAXIMUM_LENGTH
+} from '@ghostfolio/common/config';
 import { IsAfter1970Constraint } from '@ghostfolio/common/validator-constraints/is-after-1970';
 import { IsCurrencyCode } from '@ghostfolio/common/validators/is-currency-code';
 
@@ -65,7 +68,7 @@ export class UpdateOrderDto {
   quantity: number;
 
   @IsString()
-  @MaxLength(255)
+  @MaxLength(SYMBOL_MAXIMUM_LENGTH)
   symbol: string;
 
   @ArrayUnique()
diff --git a/libs/ui/src/lib/assistant/assistant.component.ts b/libs/ui/src/lib/assistant/assistant.component.ts
index f612a2cad7..bdbaa6cdb5 100644
--- a/libs/ui/src/lib/assistant/assistant.component.ts
+++ b/libs/ui/src/lib/assistant/assistant.component.ts
@@ -1,3 +1,4 @@
+import { SEARCH_QUERY_MAXIMUM_LENGTH } from '@ghostfolio/common/config';
 import { Filter, PortfolioPosition, User } from '@ghostfolio/common/interfaces';
 import { InternalRoute } from '@ghostfolio/common/routes/interfaces/internal-route.interface';
 import { internalRoutes } from '@ghostfolio/common/routes/routes';
@@ -130,6 +131,7 @@ export class GfAssistantComponent implements OnChanges, OnDestroy, OnInit {
   );
 
   public searchFormControl = new FormControl('');
+  public readonly SEARCH_QUERY_MAXIMUM_LENGTH = SEARCH_QUERY_MAXIMUM_LENGTH;
 
   public searchResults: SearchResults = {
     accounts: [],
diff --git a/libs/ui/src/lib/assistant/assistant.html b/libs/ui/src/lib/assistant/assistant.html
index 79e2f31a13..9c5fd5601c 100644
--- a/libs/ui/src/lib/assistant/assistant.html
+++ b/libs/ui/src/lib/assistant/assistant.html
@@ -13,6 +13,7 @@
         name="search"
         type="text"
         [formControl]="searchFormControl"
+        [maxlength]="SEARCH_QUERY_MAXIMUM_LENGTH"
         [placeholder]="placeholder"
       />
       @if (deviceType !== 'mobile' && !searchFormControl.value) {
diff --git a/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.html b/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.html
index d786d724de..5e23c558a7 100644
--- a/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.html
+++ b/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.html
@@ -4,6 +4,7 @@
   matInput
   [formControl]="control"
   [matAutocomplete]="symbolAutocomplete"
+  [maxlength]="SEARCH_QUERY_MAXIMUM_LENGTH"
 />
 
 <mat-autocomplete
diff --git a/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.ts b/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.ts
index 40d90e4f39..683f7c9252 100644
--- a/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.ts
+++ b/libs/ui/src/lib/symbol-autocomplete/symbol-autocomplete.component.ts
@@ -1,3 +1,4 @@
+import { SEARCH_QUERY_MAXIMUM_LENGTH } from '@ghostfolio/common/config';
 import { LookupItem } from '@ghostfolio/common/interfaces';
 import { DataService } from '@ghostfolio/ui/services';
 
@@ -86,6 +87,7 @@ export class GfSymbolAutocompleteComponent
 
   public readonly control = new FormControl();
   public lookupItems: (LookupItem & { assetSubClassString: string })[] = [];
+  public readonly SEARCH_QUERY_MAXIMUM_LENGTH = SEARCH_QUERY_MAXIMUM_LENGTH;
 
   protected readonly symbolAutocomplete =
     viewChild.required<MatAutocomplete>('symbolAutocomplete');