openfunds Data definitions for the Characterization of Investment Funds

The openfunds association provides an open, extensible and cost-free standard for the characterization of investment fund data with the aim to facilitate the data exchange across the industry. For more information, visit https://openfunds.org.

Last validated: July 9, 2026

Industry-wide standardisation
A free, open fund data standard enabling consistent data exchange between fund houses, distributors, and data vendors – streamlining onboarding and distribution
Extensive data dictionary as a modular system
Offers a large set of predefined fields that act as a modular toolbox, allowing each market participant to use only those data sets they need.
Improved data quality & efficiency
Replaces bespoke fund data spreadsheets with standardized field identifiers and -definitions, reducing duplication, ambiguity, and manual reconciliation.
Cost savings & operational simplicity
Cuts overhead and manual processing by simplifying data handling for all actors in the fund data ecosystem.

Resources and References

openfunds Field List (PDF)
openfunds Field List (Excel)
openfunds Previous Field Lists
openfunds Whitepapers
Corporate Actions
Source: https://openfunds.org/knowledge/whitepapers/corporate-actions. Automatically included from openfunds white papers.
Countries of Registration
Source: https://openfunds.org/knowledge/whitepapers/countries-of-registration. Automatically included from openfunds white papers.
Dynamic Data
Source: https://openfunds.org/knowledge/whitepapers/dynamic-data. Automatically included from openfunds white papers.
Ambiguity of Empty Fields
Source: https://openfunds.org/knowledge/whitepapers/empty. Automatically included from openfunds white papers.
Execution Fields: Notification and Settlement
Source: https://openfunds.org/knowledge/whitepapers/execution-fields-notification-and-settlement. Automatically included from openfunds white papers.
Execution Fields: Trade Cycles
Source: https://openfunds.org/knowledge/whitepapers/execution-fields-trade-cycles. Automatically included from openfunds white papers.
Data Tags
Source: https://openfunds.org/knowledge/whitepapers/field-tags. Automatically included from openfunds white papers.
Field Typology
Source: https://openfunds.org/knowledge/whitepapers/fieldtypology. Automatically included from openfunds white papers.
Flat Table versus Narrow Table
Source: https://openfunds.org/knowledge/whitepapers/flat-narrow-table. Automatically included from openfunds white papers.
Full Portfolio Holdings
Source: https://openfunds.org/knowledge/whitepapers/full-portfolio-holdings. Automatically included from openfunds white papers.
Fund Ratios and Exposures
Source: https://openfunds.org/knowledge/whitepapers/fund-ratios-and-exposures. Automatically included from openfunds white papers.
Fund Names
Source: https://openfunds.org/knowledge/whitepapers/fundnames. Automatically included from openfunds white papers.
Hedging
Source: https://openfunds.org/knowledge/whitepapers/hedging-v2. Automatically included from openfunds white papers.
Home Country Legal Structures
Source: https://openfunds.org/knowledge/whitepapers/home-country-legal-structures. Automatically included from openfunds white papers.
Hong Kong Complex And Non-complex Funds
Source: https://openfunds.org/knowledge/whitepapers/hong-kong-complex-and-non-complex-funds. Automatically included from openfunds white papers.
Introduction to openfunds
Source: https://openfunds.org/knowledge/whitepapers/intro-to-openfunds. Automatically included from openfunds white papers.
Investor Concentration
Source: https://openfunds.org/knowledge/whitepapers/investor-concentration. Automatically included from openfunds white papers.
Language Tags
Source: https://openfunds.org/knowledge/whitepapers/language-tags. Automatically included from openfunds white papers.
Multiple data sources
Source: https://openfunds.org/knowledge/whitepapers/multiple-data-sources. Automatically included from openfunds white papers.
openfunds’ Conventions
Source: https://openfunds.org/knowledge/whitepapers/openfunds-conventions. Automatically included from openfunds white papers.
Ringfencing
Source: https://openfunds.org/knowledge/whitepapers/ringfencing. Automatically included from openfunds white papers.
Share Class Lifecycle
Source: https://openfunds.org/knowledge/whitepapers/share-class-lifecycle. Automatically included from openfunds white papers.
Version Management
Source: https://openfunds.org/knowledge/whitepapers/versions. Automatically included from openfunds white papers.

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License: Creative Commons Attribution-NoDerivatives 4.0 International License · Credit: www.openfunds.org

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