
ONEX CORPORATION — Investor Relations & Filings
Onex Corporation is an alternative asset manager and investment firm founded in 1984. It manages and invests capital globally on behalf of its shareholders and institutional clients, focusing on acquiring and building businesses through an active ownership approach. The firm's core activities are structured across two primary platforms: Private Equity and Credit. The Private Equity platform targets upper middle-market acquisitions and buyouts across North America and Europe. The Credit platform delivers tailored lending solutions and aims for strong risk-adjusted returns. Onex emphasizes customized capital solutions and enduring partnerships, leveraging deep industry expertise. As of recent reporting, the firm manages $57 billion in assets under management. Since inception, its private equity activities have demonstrated strong performance, including a 27% gross Internal Rate of Return (IRR) on realized investments.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| News release - English.pdf | 2026-05-15 | English | |
| 52-109F2 - Certification of interim filings - CEO (E).pdf | 2026-05-15 | English | |
| Interim MD&A - English.pdf | 2026-05-15 | English | |
| Interim financial statements/report – English.pdf | 2026-05-15 | English | |
| News release - English.pdf | 2026-05-14 | English | |
| Report of voting results.pdf | 2026-05-14 | English |
Browse filings by year
27 years- 2026 28 filings
- 2025 42 filings
- 2024 56 filings
- 2023 38 filings
- 2022 44 filings
- 2021 50 filings
- 2020 61 filings
- 2019 52 filings
- 2018 46 filings
- 2017 50 filings
- 2016 41 filings
- 2015 46 filings
- 2014 1 filing
- 2013 1 filing
- 2012 1 filing
- 2011 1 filing
- 2010 1 filing
- 2009 1 filing
- 2008 1 filing
- 2005 4 filings
- 2004 4 filings
- 2003 2 filings
- 2002 1 filing
- 2001 5 filings
- 1999 17 filings
- 1998 12 filings
- 1997 47 filings
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 47791879 | News release - English.pdf | 2026-05-15 | English | ||
| 47791883 | 52-109F2 - Certification of interim filings - CEO (E).pdf | 2026-05-15 | English | ||
| 47791904 | Interim MD&A - English.pdf | 2026-05-15 | English | ||
| 47791908 | Interim financial statements/report – English.pdf | 2026-05-15 | English | ||
| 47791911 | News release - English.pdf | 2026-05-14 | English | ||
| 47791914 | Report of voting results.pdf | 2026-05-14 | English | ||
| 47791918 | News release - English.pdf | 2026-05-11 | English | ||
| 47791921 | News release - English.pdf | 2026-05-11 | English | ||
| 47083862 | Form of proxy - English.pdf | 2026-05-04 | English | ||
| 34610228 | News release - English.pdf | 2026-04-15 | English | ||
| 34581329 | News release - English.pdf | 2026-04-15 | English | ||
| 34503641 | Management information circular - English.pdf | 2026-04-14 | English | ||
| 34496816 | Form of proxy - English.pdf | 2026-04-14 | English | ||
| 34496812 | Management information circular - English.pdf | 2026-04-14 | English | ||
| 34496811 | Form of proxy - English.pdf | 2026-04-14 | English | ||
Market data
Market data not available
Price history
Peer group · Activities of non-money market investments funds
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ONEX CORPORATION via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/42956/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=42956 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=42956 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=42956 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 42956}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for ONEX CORPORATION (id: 42956)"
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