18 publicly disclosed transactions where Onex played an advisory, financing or investing role, most recent first.
Jun 25, 2026
AirSprint Inc.
Acquirer · Private aviation (fractional jet ownership)
Buyer Onex Partners Opportunities Fund with TriWest Capital Partners and co-investors · Seller Existing AirSprint shareholders (founder and CEO stay invested)
Onex Partners became the first institutional investor in Canada's largest fractional jet operator, led by its aerospace and aviation team; the founder and CEO stayed on as significant shareholders.
May 11, 2026
Emerald Holding, Inc. (NYSE: EEX)
Seller · B2B trade shows and events
Buyer Apollo-managed funds · Seller Onex Partners III and Onex Partners V
Apollo agreed to take the trade-show operator private at about US$1.5 billion enterprise value (US$5.03 per share); Onex funds held over 90% and got full liquidity. Onex reported about US$256 million of net proceeds received in July 2026.
Closed Mar 1, 2026
Multi-asset continuation vehicle (incl. Fidelity Building Services Group, PowerSchool, Sedgwick)
Seller · Private equity secondaries (GP-led)
Buyer Secondary investors in continuation vehicle · Seller Onex Partners funds
Onex Partners closed a US$1.6 billion GP-led multi-asset continuation vehicle in Q1 2026, which it continues to manage as general partner; Onex expected about US$317 million of proceeds, roughly half received in March 2026 and the rest due in March 2027.
Feb 2026
Veritage Brands (JV combining Griffon's AMES U.S. and Canada businesses with ONCAP's Venanpri Tools)
Co-investor · Consumer and professional products
Buyer ONCAP and Griffon Corporation (JV partners)
ONCAP and Griffon combined Griffon's AMES North America hand tools, home organization and lawn & garden businesses with ONCAP-owned Venanpri Tools (Bellota, Corona, Burgon & Ball) in a joint venture named Veritage Brands, owned 57% by ONCAP and 43% by Griffon. Announced February 2026; closed June 2026, with Griffon receiving US$100 million cash plus a US$161 million second-lien note.
Dec 8, 2025
Ryan Specialty Holdings (remaining shares)
Seller · Specialty insurance distribution
Buyer Undisclosed buyer (market sale) · Seller Onex Corporation
Onex sold its last Ryan Specialty shares, completing a full exit; Onex reported US$202 million of 2025 proceeds net of management incentive payments, and Bobby Le Blanc left Ryan Specialty's board.
Oct 30, 2025
Convex Group Limited
Acquirer · Specialty insurance and reinsurance
Buyer Onex Corporation (~63%) and AIG (~35%) · Seller Onex Partners V and co-investors
Onex moved Convex from its fund onto its own balance sheet, buying a ~63% direct stake for about US$3.8 billion alongside AIG at a US$7 billion equity valuation (about 1.9x tangible book). Onex Partners V, a founding investor in 2019, exited as seller.
Oct 30, 2025
Onex Corporation (9.9% of subordinate voting shares)
Seller · Asset management
Buyer AIG · Seller Onex Corporation (new share issuance)
As part of the Convex deal, AIG bought about 7.5 million newly issued Onex shares (roughly 9.9%) and agreed to commit US$2 billion to Onex private equity and credit strategies over three years.
Oct 23, 2025
CSN Collision (collision centres from founders)
Acquirer · Automotive collision repair
Buyer ONCAP V · Seller CSN founders (who remain shareholders)
ONCAP backed a platform of corporate-owned collision centres alongside CSN's 400+ location independent network; Onex's own share invested was about US$7 million.
Sep 19, 2025
OneDigital (majority stake)
Seller · Insurance brokerage, benefits and wealth advisory
Buyer Stone Point Capital and CPP Investments · Seller Onex Partners V group (54% of its holding)
Onex Partners sold a majority position in the benefits and financial advisory firm it backed in 2020, keeping a significant minority stake; Onex's own share of proceeds was about US$239 million.
Sep 18, 2025
Integrated Specialty Coverages (ISC)
Acquirer · Insurance program administration (insurtech-enabled MGA)
Buyer Onex Partners Opportunities Fund with PSP Investments, Ardian and other co-investors · Seller KKR
Onex Partners agreed to buy the Carlsbad, California-based program administrator from KKR, with management rolling equity; Onex's own share invested was about US$75 million.
Jul 15, 2025
Precision Concepts International (majority stake)
Seller · Packaging
Buyer The Sterling Group · Seller ONCAP IV group (80% of its holding)
ONCAP sold a majority of its packaging manufacturer to The Sterling Group; Onex received about US$50 million.
May 9, 2025
WestJet (25% equity stake)
Seller · Airlines
Buyer Delta Air Lines, Korean Air (with Air France-KLM taking 2.3% from Delta) · Seller Onex Partners V group and co-investors
Delta paid US$330 million for 15% and Korean Air US$220 million for 10%; Delta passed 2.3% to Air France-KLM at close. The Onex group kept control with 75% of its original holding.
Aug 29, 2024
Farsound Aviation
Acquirer · Aerospace engine MRO supply chain
Buyer Onex Partners Opportunities Fund · Seller AGIC Capital
Onex Partners bought a supplier to the aerospace engine maintenance market; Onex's own share invested was about US$70 million, later trimmed by syndication.
Aug 29, 2024
Farsound
Acquirer (as Onex Partners) · Aerospace (aftermarket services)
Buyer Onex Partners
Onex Partners' opportunities fund agreed to acquire Farsound, a global aerospace engine MRO supply-chain solutions provider.
Aug 22, 2024
Fischbach KG
Acquirer · Packaging (cartridge packaging for sealants and adhesives)
Buyer Onex Partners Opportunities Fund · Seller Owner-management group (remained invested)
A majority investment in a German cartridge packaging maker alongside its management; Onex's own share was about US$73 million after syndication.
May 13, 2019
WestJet Airlines Ltd.
Acquirer · Airlines
Buyer Onex Corporation
Onex and its affiliated funds agreed to acquire WestJet for $31.00 per share in cash, a transaction value of about $5 billion including assumed debt.
Jul 11, 2016
Thomson Reuters Intellectual Property & Science business
Co-investor · Information Services
Buyer Onex Corporation and Baring Private Equity Asia · Seller Thomson Reuters Corporation
Thomson Reuters agreed to sell its Intellectual Property & Science business (later Clarivate) to funds affiliated with Onex and Baring Private Equity Asia for US$3.55 billion in cash.
Undated
PowerSchool (about half of Onex Partners IV's stake)
Seller · Education software
Buyer Take-private acquirer (not named in Onex disclosure) · Seller Onex Partners IV group
Onex Partners IV sold about 34.3 million PowerSchool shares as the company went private in 2024, with Onex receiving about US$254 million; the remaining interest later went into the 2026 continuation vehicle.
