Onex Partners
General contacts
Investor type
PE
Founded
2003
AUM
$38 000 M
Location
Toronto, Ontario, Canada
Investor profile last updated: 07 October, 2025
Profile
Onex invests and manages capital on behalf of its shareholders, institutional investors and high net worth clients from around the world. Onex’ platforms include: Onex Partners, private equity funds focused on larger opportunities in North America and Europe; ONCAP, private equity funds focused on middle market and smaller opportunities in North America; Onex Credit, which manages primarily non-investment grade debt through collateralized loan obligations, private debt and other credit strategies; and Gluskin Sheff’s actively managed public equity and public credit funds.
Industry
Onex Partners Funds
| Name | Type |
|
|
|
Size | AUM | Launch date |
|---|---|---|---|---|---|---|---|
|
Onex Partners I
|
Private Equity (PE)
|
Business Services (B2B)
Consumer Products
Consumer Services (B2C)
Financial Services
Fintech
Healthcare Services
Industrial
|
Series B
Late Stage (Series C+)
|
North America
Europe
|
$5-10 m
|
$3000 M
|
June 2003
|
|
Onex Partners II
|
Private Equity (PE)
|
Business Services (B2B)
Consumer Products
Consumer Services (B2C)
Financial Services
Fintech
Healthcare Services
Industrial
|
Series B
Late Stage (Series C+)
|
North America
Europe
|
$5-10 m
|
$4300 M
|
November 2006
|
|
Onex Partners V
|
Private Equity (PE)
|
Business Services (B2B)
Consumer Products
Consumer Services (B2C)
Financial Services
Fintech
Healthcare Services
Industrial
|
Series B
Late Stage (Series C+)
|
North America
Europe
|
$5-10 m
|
$7000 M
|
November 2017
|
Contacts
Name
Title
Email
Social Networks
Investment-team contacts for Onex Partners — including verified work emails and LinkedIn profiles — are available to Private Equity List subscribers.
Instant access on the web. Plans from $129/month — see pricing.
Instant access on the web. Plans from $129/month — see pricing.
Contacts sourced from the firm's website and LinkedIn, re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
FAQs about Onex Partners
Is Onex Partners a venture capital or private equity firm?
Onex Partners is a private equity firm. It backs companies at Series B and Late Stage (Series C+), writing tickets of $100+ m.
Where is Onex Partners located?
Onex Partners is located in Toronto, Ontario, Canada.
When was Onex Partners founded?
Onex Partners was founded in 2003.
What sectors and industries does Onex Partners invest in?
Onex Partners invests in companies and startups in Healthcare Services, Media and Entertainment, Retail, Business Services (B2B), Consumer Products, Consumer Services (B2C), Financial Services, Fintech, Industrial.
What is Onex Partners geographical focus of investments?
Onex Partners invests in companies and startups in North America, Europe.
At what stages of companies and startups does Onex Partners typically invest in?
Onex Partners invests in companies and startups at Series B, Late Stage (Series C+).
What is the usual amount of Onex Partners investment?
Onex Partners usually invests $100+ m on average.
What is the amount of assets of under management (AUM) for Onex Partners?
Onex Partners has around $38 000m assets under management.
When was Onex Partners last fund created?
Onex Partners last fund was created/launched in 2017-11-16
What are the contacts of Onex Partners?
Onex Partners can be reached through its website www.onex.com/onex-partners and its LinkedIn page. Its general enquiries address is info@onex.com. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for Onex Partners — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
Can I access Onex Partners data via API or MCP?
Yes. Every field on this page — profile, funds, investment criteria, portfolio and investment-team contacts — is available programmatically through the Private Equity List REST API and MCP server, so AI assistants such as Claude and ChatGPT can query Onex Partners directly instead of scraping this page. One subscription covers both the web app and machine access — see API & MCP.
When was the Onex Partners profile last updated?
Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 07 October, 2025. Something out of date here? Report it — we re-run that firm within 48h and get back to you.