diff --git a/apps/backend/src/modules/portfolio/dto/portfolio-list-response.dto.ts b/apps/backend/src/modules/portfolio/dto/portfolio-list-response.dto.ts
new file mode 100644
index 0000000..135df1c
--- /dev/null
+++ b/apps/backend/src/modules/portfolio/dto/portfolio-list-response.dto.ts
@@ -0,0 +1,16 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { PortfolioResponseDto } from './portfolio-response.dto';
+
+export class PortfolioListResponseDto extends PortfolioResponseDto {
+  @ApiProperty({ description: 'Total market value of all positions' })
+  totalValue!: number;
+
+  @ApiProperty({ description: 'Total number of positions' })
+  positionCount!: number;
+
+  @ApiProperty({ description: 'Number of share positions' })
+  shareCount!: number;
+
+  @ApiProperty({ description: 'Number of bond positions' })
+  bondCount!: number;
+}