> ## Documentation Index > Fetch the complete documentation index at: https://docs.bigdata.com/llms.txt > Use this file to discover all available pages before exploring further. # Stock Fund Holdings > Retrieve institutional fund holdings for a specified stock, based on the latest SEC 13F filings. The endpoint returns top holders with their current market value, share count, quarterly change, and estimated capital flow. This allows users to identify leading institutional investors, track changes in ownership, and analyze fund activity trends such as increases or reductions in positions. ## OpenAPI ````yaml /api-rest/openapi/openapi_structured_data.json post /v1/holdings/stocks/funds openapi: 3.1.0 info: title: Bigdata Structured Data API description: Bigdata API documentation version: 1.0.0 servers: - url: https://api.bigdata.com/ security: - ApiKeyAuth: [] tags: - name: Market Data description: >- Market data endpoints including intraday prices, daily prices, price changes, and real-time quotes - name: Analyst Estimates description: >- Analyst estimates and ratings including analyst ratings, estimates, target prices, and earnings surprises - name: Financials & Ratios description: >- Financial statements and ratios including balance sheet, income statement, cash flow statement, key metrics TTM, and company ratios TTM - name: Company & Events description: >- Company information and events including company profile and events calendar - name: Fund Holdings description: >- Institutional fund holdings from SEC 13F filings including fund holdings and stock fund holdings - name: Knowledge Graph description: Corporate ownership and hierarchy data. paths: /v1/holdings/stocks/funds: post: tags: - Fund Holdings summary: Stock Fund Holdings description: >- Retrieve institutional fund holdings for a specified stock, based on the latest SEC 13F filings. The endpoint returns top holders with their current market value, share count, quarterly change, and estimated capital flow. This allows users to identify leading institutional investors, track changes in ownership, and analyze fund activity trends such as increases or reductions in positions. operationId: Stock_Funds_Holdings_v1_holdings_stocks_funds_post requestBody: content: application/json: schema: $ref: '#/components/schemas/PublicGetCompanyFundsHoldingsQuery' required: true responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/PublicGetCompanyFundsHoldingsResponse' components: schemas: PublicGetCompanyFundsHoldingsQuery: properties: identifier: $ref: '#/components/schemas/SingleIdentifier' description: >- Object specifying which identifier you are using to request the company profile. You must supply one type and its corresponding value. filters: anyOf: - $ref: '#/components/schemas/CompanyFundsHoldingsFilters' - type: 'null' description: Object specifying the filters to apply to the request. examples: - quarter: 2 year: 2023 type: object required: - identifier title: PublicGetCompanyFundsHoldingsQuery description: Schema for the request to the public API. PublicGetCompanyFundsHoldingsResponse: properties: results: anyOf: - $ref: '#/components/schemas/CompanyFundHoldingsResults' - $ref: '#/components/schemas/EmptyResponse' title: Results metadata: anyOf: - $ref: '#/components/schemas/PublicCompanyFundsHoldingsRequestMetadata' - type: 'null' type: object required: - results title: PublicGetCompanyFundsHoldingsResponse SingleIdentifier: properties: type: $ref: '#/components/schemas/IdentifierType' description: >- Object specifying which identifier you are using to request the intraday price. You must supply one type and its corresponding value. Only one identifier should be provided per request. examples: - rp_entity_id value: type: string title: Value description: >- Bigdata uses the RavenPack Entity identifier (RP_Entity_ID) to uniquely reference entities such as companies. This identifier is a 6-character alphanumeric code (letters and numbers only). Example: Alphabet Inc. (`4A6F00`) examples: - 4A6F00 type: object required: - type - value title: SingleIdentifier CompanyFundsHoldingsFilters: properties: year: type: integer title: Year description: Fiscal year for the holdings data examples: - 2025 quarter: $ref: '#/components/schemas/Quarters' description: Fiscal quarter for the holdings data type: object title: CompanyFundsHoldingsFilters description: Extended filters for stock funds holdings. CompanyFundHoldingsResults: properties: funds: anyOf: - items: $ref: '#/components/schemas/CompanyFundHoldingsRow' type: array - type: 'null' title: Funds description: List of company fund holdings. type: object required: - funds title: CompanyFundHoldingsResults EmptyResponse: properties: {} type: object title: EmptyResponse PublicCompanyFundsHoldingsRequestMetadata: properties: request_id: type: string title: Request Id examples: - 123e4567-e89b-12d3-a456-426614174000 timestamp: type: string title: Timestamp examples: - '2025-09-08T10:52:33.453834+00:00' rp_entity_id: anyOf: - type: string maxLength: 6 minLength: 6 description: >- Bigdata uses the RavenPack Entity identifier (RP_Entity_ID) to uniquely reference entities such as companies. This identifier is a 6-character alphanumeric code (letters and numbers only). Example: Alphabet Inc. (`4A6F00`) examples: - 4A6F00 - type: 'null' title: Rp Entity Id examples: - D8442A stock_name: anyOf: - type: string - type: 'null' title: Stock Name examples: - Apple year: anyOf: - type: integer - type: 'null' title: Year examples: - 2025 quarter: anyOf: - type: integer - type: 'null' title: Quarter examples: - 1 type: object required: - request_id title: PublicCompanyFundsHoldingsRequestMetadata description: Metadata for the request. Includes the backend request. IdentifierType: type: string enum: - rp_entity_id title: IdentifierType default: rp_entity_id Quarters: type: integer enum: - 1 - 2 - 3 - 4 title: Quarters description: Enum for quarters values. CompanyFundHoldingsRow: properties: rp_entity_id: anyOf: - type: string maxLength: 6 minLength: 6 description: >- Bigdata uses the RavenPack Entity identifier (RP_Entity_ID) to uniquely reference entities such as companies. This identifier is a 6-character alphanumeric code (letters and numbers only). Example: Alphabet Inc. (`4A6F00`) examples: - 4A6F00 - type: 'null' title: Rp Entity Id description: The RavenPack entity ID of the holding. examples: - HJ95FV name: anyOf: - type: string - type: 'null' title: Name description: The name of the holding. examples: - Blackrock rank: anyOf: - type: integer - type: 'null' title: Rank description: The rank of the holding in the portfolio. examples: - 1 market_value: anyOf: - type: integer - type: 'null' title: Market Value description: The market value of the holding. examples: - 253273263449 status: anyOf: - type: string - type: 'null' title: Status description: The status of the holding (e.g., increased, decreased). examples: - increased shares: anyOf: - type: integer - type: 'null' title: Shares description: The number of shares held. examples: - 1140202870 shares_last: anyOf: - type: integer - type: 'null' title: Shares Last description: The number of shares held in the last reporting period. examples: - 1123417607 shares_change: anyOf: - type: integer - type: 'null' title: Shares Change description: >- The change in the number of shares held since the last reporting period. examples: - 16785263 shares_change_percent: anyOf: - type: number - type: 'null' title: Shares Change Percent description: >- The percentage change in the number of shares held since the last reporting period. examples: - 1.49 capital_flow: anyOf: - type: integer - type: 'null' title: Capital Flow description: The capital flow associated with the holding. examples: - 3728510470 type: object required: - rp_entity_id - name - rank - market_value - status - shares - shares_last - shares_change - shares_change_percent - capital_flow title: CompanyFundHoldingsRow securitySchemes: ApiKeyAuth: type: apiKey in: header name: X-API-KEY ````