---
title: "OutputXRayHoldingsTopNetUnderlyingHoldings"
url: "https://developer-beta.morningstar.com/apis/portfolio-xray-api/versions/4c9879bf-1def-4f49-adea-5a04cd02e29e/schemas/OutputXRayHoldingsTopNetUnderlyingHoldings"
---

> Full API specification: https://developer-beta.morningstar.com/apis/portfolio-xray-api/versions/4c9879bf-1def-4f49-adea-5a04cd02e29e.md

# OutputXRayHoldingsTopNetUnderlyingHoldings

Top net underlying holdings data.

## OpenAPI definition

```yaml
openapi: 3.1.0
info:
  title: Portfolio X-Ray API
  version: "1.0"
servers:
  - url: https://www.us-api.morningstar.com
    description: Americas Production
  - url: https://www.apac-api.morningstar.com
    description: APAC Production
  - url: https://www.emea-api.morningstar.com
    description: EMEA Production
components:
  schemas:
    OutputXRayHoldingsTopNetUnderlyingHoldingsSecurity:
      type: object
      properties:
        SecurityId:
          type: string
          description: Unique identifier of a security.
        PercentAssets:
          type: number
          format: double
          description: Percent of portfolio assets.
        EquitySector:
          type: string
          description: Institution-specific equity sector classification.
        FixedIncomeSector:
          type: string
          description: Fixed income sector identifier.
        Country:
          type: string
          description: Country identifier (ISO country code).
    OutputXRayHoldingsTopNetUnderlyingHoldings:
      description: Top net underlying holdings data.
      type: object
      properties:
        AsOfDate:
          type: string
          format: date-time
          description: End date of analysis.
        TopNumber:
          type: integer
          format: int32
          description: Number of top holdings returned.
        Security:
          type: array
          items:
            $ref: "#/components/schemas/OutputXRayHoldingsTopNetUnderlyingHoldingsSecurity"
```