European fund managers may finally get a route out of one of the industry’s most persistent reporting problems: submitting similar fund data several times to different authorities, in different formats and under different rules.
In its final report on the integrated collection of funds’ data, the European Securities and Markets Authority set out plans for a single, modular and dynamic reporting system for investment funds. The first phase would consolidate reporting under AIFMD and Ucits, before later extending to money market fund reporting, statistical reporting and potentially other fund-sector obligations.
For fund managers, Mancos, administrators and reporting providers, this is not a minor technical clean-up. It points to a multi-year redesign of the plumbing behind European fund supervision, with new templates, definitions, validation rules and reporting flows.
Why the change
Esma argues that the current reporting landscape is fragmented, duplicative and inconsistent. The overlaps run across AIFMD, MMFR, national Ucits reporting, ECB statistical reporting and other EU frameworks including Emir, SFTR and Mifid/Mifir.
Esma identified duplication in areas such as fund characteristics, portfolio composition, investor activity, net asset value, leverage and stress tests. For cross-border managers, the problem is familiar: the same fund data can be repackaged several times, while inconsistent definitions of fund classification, asset type, assets under management and investor groups make reporting harder to reconcile.
The new model
Esma’s preferred model is a “report once, use many times” architecture. Under the plan, funds would submit one integrated report to a single designated national authority. That data would then be transmitted to a secure central EU hub maintained by Esma.
Fund managers would not initially bypass national regulators and report directly to Brussels. National collection would remain, preserving the link with local supervisors, while the EU hub would handle validation, storage, analytics and data sharing among authorised authorities.
For Luxembourg, Ireland and other large fund domiciles, the implications are significant. A harmonised template could reduce national fragmentation, but it would also require major changes to reporting systems used by fund managers, administrators and service providers.
A single template, not a super-template
The core of Esma’s plan is a single dynamic reporting template. But it would be modular rather than one-size-fits-all. All Ucits and alternative investment funds would report core information, including fund identification and classification. Additional modules would apply depending on a fund’s characteristics, strategy and risk profile, including leverage, liquidity, portfolio holdings or specific fund types such as real estate funds.
Esma also wants existing reporting frameworks reviewed and rationalised, with low-value or duplicative data fields removed before integration. That is the key test for industry: the plan will be welcomed only if it replaces existing reporting, rather than adding another layer on top.
Monthly reporting
One of the most sensitive points is frequency. Esma stated that the base reporting frequency for information under revised AIFMD Article 24(1) and Ucits Article 20a(1) should generally be monthly, aligned where possible with ECB statistical reporting.
More frequent reporting can increase costs, data-quality risks and operational pressure, especially for funds with illiquid assets or less frequent valuations.
Esma said proportionality would apply. Reporting frequency would be calibrated by module and fund profile. Daily reporting or daily granularity could be used only for a very limited set of funds and highly time-sensitive fields such as NAV, subscriptions and redemptions, where there is a clear supervisory justification.
Data dictionary
Esma also wants a common regulatory data dictionary, which could become one of the most important parts of the reform for reporting teams. The dictionary would create a single source of meaning for regulatory data concepts, covering definitions, permissible values, validation rules, data types and legal references. Esma stated that inconsistent definitions and taxonomies are among the main causes of duplication, reporting errors and operational burden.
The report also supports wider use of standard identifiers such as LEI, ISIN, CFI, ISO currency and country codes and digital token identifiers where relevant. These would help authorities match reported data with reference databases and reduce repeated requests for static information.
2029 is the earliest go-live
The timeline is long, but firms cannot ignore it. Esma is due to deliver draft regulatory technical standards and implementing technical standards by April 2027. A consultation paper is expected later in 2026, while IT system development could begin in 2027, subject to funding.
Esma stated that the go-live of reporting is expected in the first half of 2029 at the earliest, given the time needed for adoption, system adaptation and testing.
The next two years will therefore decide the substance of the reform: which templates survive, how granular the data becomes, whether monthly reporting becomes the standard and how much national reporting is actually removed.
The cost question
Esma acknowledged that the project will require significant upfront investment by itself, national authorities and reporting entities. The central hub will need funding, IT infrastructure and dedicated staff, while market participants will face system re-engineering, data mapping, training and governance changes.
The report’s cost-benefit analysis noted that market participants broadly support reducing fragmentation and duplication. But it warned that benefits will materialise only if integration produces genuine simplification and removes existing requirements, rather than layering new obligations on top of current frameworks.
The 66-page report is here.
