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Registration and compliance
The OSC regulates firms and individuals who are in the business of advising or trading in securities or commodity futures, contracts and options, and firms that manage investment funds in Ontario. These firms and individuals are referred to as registrants.
Companies
The OSC regulates companies that offer securities for sale to the public in Ontario. It monitors compliance with the requirements of Ontario’s Securities Act, as well as with any related rules and policies of the OSC. It also monitors compliance with rules governing take-over bids and special transactions.
Investment funds and structured products
The Ontario Securities Commission (OSC) regulates investment funds that sell securities in Ontario. An investment fund that sells securities in Ontario must comply with the applicable requirements of Ontario’s Securities Act and any related rules of the OSC.
Market regulation
In Ontario, marketplaces, including exchanges and alternative trading systems (ATSs); self-regulatory organizations (SROs); clearing agencies; and investor protection funds are regulated by the OSC.
Derivatives
The OSC is responsible for compliance and oversight of derivatives market participants in Ontario. In addition, the OSC continues to improve the regulatory framework for OTC derivatives trading in Ontario.
Innovation at the OSC
The Office of Economic Growth and Innovation (The Innovation Office) is a dedicated team at the OSC focussed on initiatives that support economic growth and innovation in Ontario’s capital markets. The Innovation Office contributes to processes that support innovation and drive efficiency at the OSC. It also runs the OSC LaunchPad program, which helps innovative companies navigate securities regulation.

Latest instruments, rules and policies

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CSA Notice and Request for Comment – Proposed Amendments to National Instrument 31-103 Registration Requirements, Exemptions and Ongoing Registrant Obligations, National Instrument 81-101 Mutual Fund Prospectus Disclosure, National Instrument 81-102 Investment Funds and National Instrument 81-105 Mutual Fund Sales Practices and Proposed Changes to Companion Policy 31-103 Registration Requirements, Exemptions and Ongoing Registrant Obligations, Companion Policy 81-102 Investment Funds and Companion Policy 81-105 Mutual Fund Sales Practices – The Principal Distributor Model
OSC Rule 44-503 Exemption from Certain Prospectus Requirements for Well-known Seasoned Issuers
Notice of Ministerial Approval of OSC Rule 44-503 Exemption from Certain Prospectus Requirements for Well-known Seasoned Issuers
CSA Notice of Amendments to National Instrument 41-101 General Prospectus Requirements, National Instrument 81-101 Mutual Fund Prospectus Disclosure, and Related Consequential Amendments and Changes – Modernization of the Prospectus Filing Model for Investment Funds
CSA Notice and Request for Comment – Proposed Amendments to Multilateral Instrument 13-102 System Fees
OSC Notice 11-799 – Statement of Priorities – Request for Comments Regarding Statement of Priorities for Fiscal Year 2025-2026
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Latest proposed instruments, rules and policies

View all proposed instruments, rules and policies
CSA Notice and Request for Comment – Proposed Amendments to National Instrument 31-103 Registration Requirements, Exemptions and Ongoing Registrant Obligations, National Instrument 81-101 Mutual Fund Prospectus Disclosure, National Instrument 81-102 Investment Funds and National Instrument 81-105 Mutual Fund Sales Practices and Proposed Changes to Companion Policy 31-103 Registration Requirements, Exemptions and Ongoing Registrant Obligations, Companion Policy 81-102 Investment Funds and Companion Policy 81-105 Mutual Fund Sales Practices – The Principal Distributor Model
CSA Notice and Request for Comment – Proposed Amendments to Multilateral Instrument 13-102 System Fees
OSC Notice 11-799 – Statement of Priorities – Request for Comments Regarding Statement of Priorities for Fiscal Year 2025-2026
CSA Notice of Republication and Request for Comment – Proposed Amendments and Proposed Changes to Implement an Access Model for Certain Continuous Disclosure Documents of Non-Investment Fund Reporting Issuers
OSC Consultation Paper 81-737 – Opportunity to Improve Retail Investor Access to Long-Term Assets through Investment Fund Product Structures
CSA Notice of Consultation – Proposed Amendments to National Instrument 94-101 Mandatory Central Counterparty Clearing of Derivatives
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Latest orders, rulings and decisions

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Ruken Family Office Corporation – s. 38 of the CFA
Armada Data Corporation
Primo Water Corporation
NewOrigin Gold Corp.
Forward Water Merger Corp. (formerly, Fraser Mackenzie Accelerator Corp.) – s. 1(6) of the OBCA
Givex Corp. – s. 1(6) of the OBCA
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