ONEX portfolio
ONEX (Private equity) is known to hold 50 companies, 3 of them startups. 13 of them are hiring now, with 2,563 open roles. Most of them work in Insurance Brokers & Agencies, Health Insurance & Benefits, Plastics & Polymers.
Companies ONEX has invested in
Open roles at ONEX portfolio companies
Product Sales Manager, Higher EducationClarivate · this month
ParalegalSedgwick · this month
Aviation Co-OrdinatorSedgwick · this month
MCL Operations DirectorSedgwick · this month
Care Team LeadSedgwick · this month
Workers Compensation Team LeadSedgwick · this month
Senior Data ScientistSedgwick · this month
Communications CoordinatorSedgwick · this month
Claims Examiner - Workers Compensation | Dedicated SupportSedgwick · this month
Sr. Growth Marketing ManagerAssurant · this month
Summer 2027 Intern: Product Analyst Intern - HousingAssurant · this month
Data Analytics Manager (Sales Insights)Assurant · this month
Workers Compensation Claims ExaminerSedgwick · this month
Vice President I Workers Compensation I East CoastSedgwick · this month
Product Manager - Resource PlatformSedgwick · this month
Associate Rotational EngineerAllison Transmission · this month
Manufacturing Engineering Internship - Summer 2026Allison Transmission · this month
Director of Data Governance (Remote Work Option)Wealth Enhancement Group · this month
Client Service AssociateWealth Enhancement Group · this month
Wealth Management Operations Specialist (Overland Park, KS)OneDigital · this month
Focus
Co-investors
Similar investors
their companies share markets and countries
Questions about ONEX
How many companies has ONEX invested in?
ONEX is known to hold 50 companies: 3 startups, and 7 exits so far, read from its own portfolio page and the funding rounds that name it.
Is ONEX investing now?
ONEX has no round in the press in 12 months and no new company on its portfolio page in 90 days.
What does ONEX invest in?
The markets of the companies ONEX holds: Insurance Brokers & Agencies (6%), Health Insurance & Benefits (4%), Plastics & Polymers (4%), Industrial Machinery (4%), Wealth Management & Financial Advisors (4%).
Which ONEX portfolio companies are hiring?
13 companies ONEX holds are hiring now, with 2,563 open roles listed on this page.
Who does ONEX invest alongside?
The investors that hold the most companies together with ONEX: SJF Ventures, New Mountain Capital.
How this page is made
A company counts as a holding when the investor’s own portfolio page links to it, a program’s catalog lists it, or a funding round in the press names the investor. The numbers are rebuilt every night; each company shows where it came from and when it was first seen.
Sources: its portfolio page, read Oct 3
ONEX portfolio: 50 known companies. Alion, Oct 3, 2026. https://alion.io/company/onex/portfolio