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

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

# OutputXRayOwnershipOwnership

Ownership zone data for equity holdings.

## 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:
    OutputXRayOwnershipZone:
      type: object
      properties:
        SecurityId:
          type: string
          description: Unique identifier of a security.
        SizeScore:
          type: number
          format: double
          description: Size score for the ownership zone calculation.
        StyleScore:
          type: number
          format: double
          description: Style score for the ownership zone calculation.
        SizeVariance:
          type: number
          format: double
          description: Size variance for the ownership zone calculation.
        StyleVariance:
          type: number
          format: double
          description: Style variance for the ownership zone calculation.
        Rho:
          type: number
          format: double
          description: Correlation coefficient used in the ownership zone calculation.
        ZonePercentile:
          type: number
          format: double
          description: Percentile ranking within the ownership zone.
    OutputXRayOwnershipOwnership:
      description: Ownership zone data for equity holdings.
      type: object
      properties:
        AsOfDate:
          type: string
          format: date-time
          description: End date of analysis.
        Zones:
          type: array
          items:
            $ref: "#/components/schemas/OutputXRayOwnershipZone"
```