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In forceDeposit-taking institutions: Bank of Canada statisticsLast checked 11 November 2026

Securities holdings, security by security (Securities Holdings Return)

A regulatory return listed by the Office of the Superintendent of Financial Institutions (OSFI), Canada.

Gives the Bank of Canada a security-by-security breakdown (by ISIN or CUSIP) of selected cells of the H4 collateral and pledging report. It supports the Bank's work on well-functioning markets, financial stability and the distribution of federal government debt. Source

Official title: Securities Holdings Return

The facts

Who files
OSFI's reporting requirements table lists it for: selected banks; selected banks or trust and loan companies that are subsidiaries of banks or of federally incorporated trust and loan companies; selected foreign bank branches. Not required from: trust and loan companies. The table names the Bank of Canada as the contact agency. Source
How often
Daily data (each business day), as listed in OSFI's table. Source
Deadline
Within 35 days. Not subject to the Late and Erroneous Filing Penalties (LEFP) framework. The instructions say: "All of the returns for a calendar month are to be completed and submitted within 35 days of the last day of that month." Source
Format
CSV. The instructions say: "Initially the data will be submitted in CSV format", with a later move to a more machine-readable format (JSON or XML, to be decided). Source
How it is filed
Filing routes recorded for the OSFI: Regulatory Reporting System (RRS); Regulatory Data Hub (RDH). See how firms file with the OSFI.
Status
In forceOfficial reporting began March 7, 2026 for the reference month of January 2026. Filed in the Regulatory Reporting System (RRS). OSFI's Data Collection Modernization initiative will replace RRS with a new platform, the Regulatory Data Hub (RDH); OSFI says the launch is now targeted for spring 2027 and asks filers to keep using RRS until then. Financial filing for banks and trust and loan companies moves to RDH in Release 2; OSFI says more details on financial returns will come in 2027. Source
Legal basis
Group
Deposit-taking institutions: Bank of Canada statistics

Templates (1)

The tables and forms inside the return. Plain name first, the OSFI's code in brackets.

  • Reporting template (one line per security position) (Securities Holdings Return)

OSFI publishes this return as a single form (shr-tmp-frm-2025-en.xlsx). Source

Validation rules

289 rules, as counted from the OSFI's published material. They are written for people to read; software cannot run them as published. Source

How they are written: Web page with rules written in words.

The rules, on osfi-bsif.gc.ca

How they were counted

Counted on the web page "Securities Holdings Return - Detailed validation rules": 7 data format rules in the table, plus 282 cell-level reconciliation rules listed one per line (the page says the general rule "becomes the 284 rules listed below").

Counts are in the OSFI's own unit, so they are not comparable with other regulators' counts.

Public data

No published data from this return was found. No publication of data from this return was found on the instructions page or on OSFI's open data pages. Source

Official documents (10)

The OSFI's own files, with the size and SHA-256 fingerprint of each as downloaded on 11 November 2026, so anyone can tell whether a copy is the same version.

Sources

Every page and document this return's facts were read from.

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 text and records here 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 regulators' documents, forms, taxonomies, rules and data belong to them: see OSFI's reuse terms. This describes what regulators publish. It is not legal or regulatory advice: always rely on the regulator's own text.

Last checked 11 November 2026.