The facts
- Who files
- Every management investment company and every unit investment trust registered under the Investment Company Act of 1940; the SEC's own dataset description extends this to every registered investment company other than a face-amount certificate company. Source
- How often
- At least every twelve months. Source
- Deadline
- A management investment company must file not more than 75 calendar days after the close of its fiscal year; a unit investment trust must file not more than 75 calendar days after the close of the calendar year. Source
- Format
- XML. Filed electronically on EDGAR as a structured XML submission; the SEC's data-set page describes Form N-CEN data as 'extracted from N-CEN eXtensible Markup Language (XML) submissions'. Source
- How it is filed
- Filing routes recorded for the SEC: EDGAR (Electronic Data Gathering, Analysis, and Retrieval); Investment Adviser Registration Depository (IARD) and Private Fund Reporting Depository (PFRD); Central Registration Depository (CRD). See how firms file with the SEC.
- Status
- In force
- Group
- Registered funds
Templates (0)
The library lists no templates for this return.
Form N-CEN's items are conditional on the registrant's type (open-end fund, closed-end fund, exchange-traded fund, unit investment trust and so on), rather than organised as a fixed, named set of schedules, so no breakdown is given here. Source
Validation rules
No published validation rules were found for this return. No published catalogue of Form N-CEN edit checks was found on sec.gov. Source
Public data
Published firm by firm. The SEC publishes Form N-CEN data sets quarterly, as flat files, running from September 2018 to the present; the same disclaimer about possible extraction errors applies as for Form N-PORT. Source
Where it is published (XML (zip))
- Form N-CEN Data Sets
Firm by firm · XML (zip)
Every registered investment company's annual census report data, extracted from the structured XML filings, in quarterly ZIP files from September 2018 to the present. Source
Official documents (4)
The SEC's own files, with the size and SHA-256 fingerprint of each as downloaded on 13 November 2026, so anyone can tell whether a copy is the same version.
- Form N-CEN (reference copy)
Template · PDF · 382.7 KB · 20 February 2026
Reference copy only, size and hash recorded.
SHA-256
515949a40455show in full515949a404552fcacf218aa8e16b0dc8bc0167f77acb68a4ab151b5fd7f2f659 - Form N-CEN Data Sets readme
Data dictionary · PDF · 1.6 MB · 2 June 2023
Size and hash recorded only; not read as text.
SHA-256
91e155e5589bshow in full91e155e5589b0076c49828fe71e8cce5f67be1e6d4c4d75b84ad648d27301324 - Form N-CEN Data Sets
Data dictionary · HTML · 30 September 2026
Quarterly ZIP downloads from September 2018 to September 2026, with the who-files text and disclaimer.
- SEC Adopts Reporting Enhancements for Registered Investment Companies and Provides Guidance on Open-End Fund Liquidity Risk Management Programs
Release note · HTML · 28 August 2024
Announces the move of Form N-PORT to true monthly filing (30 days after month-end) and monthly public dissemination (60 days after month-end), effective November 17, 2025 generally and May 18, 2026 for fund groups under $1 billion in net assets; also the Form N-CEN liquidity-risk-management service-provider items.
Sources
Every page and document this return's facts were read from.
- sec.gov/data-research/sec-markets-data/form-n-cen-data-sets
- sec.gov/newsroom/press-releases/2024-110
- govinfo.gov/content/pkg/CFR-2025-title17-vol5/html/CFR-2025-title17-vol5.htm
- sec.gov/submit-filings/forms-index
Knowing exactly what is collected, in what format and under which rules is the first step to real-time supervision. Line4 builds SupTech software for financial regulators that runs checks like these as each return arrives.
Line4's own text, and the way Line4 has collected and arranged these records, are free to reuse under CC BY 4.0. Please credit: “Source: Line4 regulatory submissions library (CC BY 4.0), https://www.line4.ai”. The facts themselves belong to no one. The regulators' document titles, template names, quoted terms and documents belong to them and are not covered by this licence: see SEC's reuse terms. This describes what regulators publish. It is not legal or regulatory advice: always rely on the regulator's own text. Not affiliated with or endorsed by any regulator.
Last checked 13 November 2026.
