O
Onex
Venture Capital, Private Equity · Founded 1984 · Toronto, Canada
Onex’s biggest exits.
Portfolio companies that IPO’d or were acquired at $1B+, with the valuation recorded at exit and — for those still public — their value today. Exit events come from each company’s funding-round history; entry stage from Onex’s transaction record.



Where Onex’s portfolio is concentrated.
Distribution of portfolio companies by headquarters country, sector, entry stage and current growth stage. Across all 37 portfolio companies. "Stage entered" is the first priced round the investor joined, derived from the investor’s transaction history.
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USA24
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UK9
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Canada2
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Denmark1
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Germany1
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Fintech5
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Transportation4
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Travel4
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Education3
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Food3
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Energy2
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Enterprise Software2
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Legal2
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Marketing2
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Media2
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Real Estate2
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Event Tech1
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Series B+9
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Series A1
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Mature20
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Late stage7
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Early stage6
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Breakout stage4
Onex in the Toronto ecosystem
The Onex office with the hot startups, most funded companies and other investors around it. Hover or tap a pin.
Dealroom maps whole ecosystems like this one for cities, regions and governments. See the ecosystem platform →
Inside Onex’s portfolio.
The 35 highest-funded portfolio companies, of 37 tracked.
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AcWhere Onex’s portfolio founders come from.
19 founders across the 37 highest-funded portfolio companies — by current location, university attended, and the companies they worked at before founding. Sourced from the founder records the API links to each portfolio company.
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United States15
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Canada2
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Denmark2
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George Mason University2
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Amherst College1
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Benedictine University1
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Community College of Baltimore County1
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Emory University's Goizueta Business School1
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Illinois State University1
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Indian Institute of Technology, Delhi1
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Johns Hopkins University1
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Old Dominion University1
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San Diego State University1
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Domainscope2
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VeriSign2
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ABS Capital Partners1
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Aetna1
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AOL UK1
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Asurion1
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Betamore1
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Comcast1
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Drug Enforcement Administration(DEA)1
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Goco1
Similar investors.
Peers the API surfaces as most similar by portfolio shape, with Dealroom investor rank and portfolio scale.







