Onex Partners Manager

Private Equity SEC-registered adviser

Legal name: Onex Partners Manager LP

Toronto, Canada Website LinkedIn

AUM

$22.5B
Regulatory AUM

Private funds

35
Private Equity 35

Private fund assets

$22.5B
Gross asset value

Employees

180

Last Form D raise

Jun 2026
Most recent fund filing

From SEC Form ADV filing (filed Aug 27, 2026). View on SEC

Investment focus

As listed in industry directories; may be out of date.

Stages
GrowthBuyout
Sectors
Fintech & InsurtechManufacturingConstruction & ProptecheCommerce & RetailLife Sciences & HealthtechConsumerB2B
Geographies
United Kingdom

People(3)

Owners and executive officers named on the firm's SEC Form ADV.

A
Amir Motamedi
Director (onex Partners Manager GP Ulc)
Source: SEC Form ADV
P
Popatia Tawfiq
Head of Onex Partners
Source: SEC Form ADV
Z
Zachary Levitt
Director (onex Partners Manager GP Ulc)
Source: SEC Form ADV

Funds(35)

Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.

FundTypeGross assetsRaised (Form D)InvestorsLast Form DRecency
Onex Partners Co-Investment Fund LPPrivate Equity$42.0M$47.0M8Jun 2026Hot
Onex Lego Co-Invest LPPrivate Equity$410.6M$410.6M21Apr 2026Hot
Onex Raven Co-Invest II LPPrivate Equity$33.7M——Mar 2025Cool
Onex Saturn Co-Invest LPPrivate Equity$86.1M——Nov 2024Cool
Onex Alpha Co-Invest LPPrivate Equity$45.7M——Oct 2024Cool
Onex Raven Co-Invest LPPrivate Equity$26.5M——Jul 2024Cold
Onex Partners Opportunities Fund LPPrivate Equity$1.2B——Feb 2024Cold
Onex Partners Ranger Cv LPPrivate Equity$1.5B——Jul 2023Cold
Onex Navigator Co-Invest LPPrivate Equity$55.0M——Oct 2022Cold
Onex Iso Co-Invest LPPrivate Equity$183.7M——Oct 2021Cold
Onex North Star Co-Invest LPPrivate Equity$431.9M——Feb 2021Cold
Onex Fox III LPPrivate Equity$332.6M——Nov 2020Cold
Onex Fox II LPPrivate Equity$741.9M——Nov 2020Cold
Onex Od Co-Invest LPPrivate Equity$165.0M——Nov 2020Cold
Onex Fox Gs LPPrivate Equity$158.8M——Jul 2019Cold

Board seats

Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.

No board seats matched from SEC filings yet.

Regulatory identifiers

CRD number
160923
SEC file number
801-74110

Sources