ONEX CORP

10% owner at ATI Physical Therapy, Inc. · on record since Jun 26, 2023
10% owner at STERLING CAPITAL CORP · on record since Nov 29, 2006
10% owner at DURA AUTOMOTIVE SYSTEMS INC · on record since Apr 9, 2004
10% owner at Onex Direct Lending BDC Fund · on record since Oct 28, 2024
10% owner at Genesis Healthcare, Inc. · on record since May 22, 2007
10% owner at TMS International Corp. · on record since Apr 21, 2011
10% owner at RES CARE INC /KY/ · on record since Jul 1, 2004
10% owner at Allison Transmission Holdings Inc · on record since Mar 22, 2012
10% owner at Commercial Vehicle Group, Inc. · on record since Aug 5, 2004
10% owner at MAGELLAN HEALTH INC · on record since Jan 7, 2004
10% owner at CLARIVATE PLC · on record since Jun 16, 2021
10% owner at JELD-WEN Holding, Inc. · on record since Jan 27, 2017
10% owner at General Finance CORP · on record since May 31, 2017
10% owner at Emerald Holding, Inc. · on record since Apr 28, 2017
Director at POWERSCHOOL HOLDINGS, INC. · on record since Jul 28, 2021
10% owner at POWERSCHOOL HOLDINGS, INC. · on record since Jul 28, 2021
10% owner at CALGON CARBON Corp · on record since Jan 4, 2021
Former 10% Owner at MAGELLAN HEALTH INC · on record since Nov 14, 2005
10% owner at · on record since Dec 15, 2005
Director at · on record since Jul 26, 2021
10% owner at · on record since Jul 26, 2021

Insider trading activity of ONEX CORP

Transactions on record: 50; since Sep 24, 2012

Open-market buys: 0

Open-market sells: 21; $1B

Companies traded: 7; last filing Jul 14, 2026

Figures computed from official regulatory filings — .

Companies where ONEX CORP has traded

2 tx · Jul 14, 2026
1 tx · $1.1M · Feb 10, 2026
1 tx · Oct 3, 2024
1 tx · $361.1M · May 25, 2023
28 tx · $667.2M · Nov 22, 2017
15 tx · $1.9M · Jun 12, 2017
2 tx · Sep 24, 2012

Track record of ONEX CORP

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of ONEX CORP

Co-insiders of ONEX CORP

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Emerald Holding, Inc.Security delisted	Jul 14, 2026	Other	-470,583	—	n/a (No price was disclosed in the filing)		SEC
Emerald Holding, Inc.Security delisted	Jul 14, 2026	Other	-184,049,617	—	n/a (No price was disclosed in the filing)		SEC
Onex Direct Lending BDC FundListing unverified	Feb 10, 2026	Sell	-46,389.82	23.42 USD	$1.1M		SEC
POWERSCHOOL HOLDINGS, INC.Listing unverified	Oct 3, 2024	Other	-71,118,123	—	n/a (No price was disclosed in the filing)		SEC
RYAN SPECIALTY HOLDINGS, INC.Listing on record	May 25, 2023	Sell	-8,310,091	43.45 USD	$361.1M	Unusual size	SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-1,186,023	32.74 USD	$38.8M	Unusual size	SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-3,278,727	32.74 USD	$107.3M	Unusual size	SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-111,887	32.74 USD	$3.7M		SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-145,173	32.74 USD	$4.8M		SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-8,774,328	32.74 USD	$287.3M	Unusual size	SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-28,250	32.74 USD	$924.9K		SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-232,108	32.74 USD	$7.6M		SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-117,582	32.74 USD	$3.8M		SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-337,658	32.74 USD	$11.1M		SEC
General Finance CORPListing unverified	Jun 12, 2017	SellD (derivative)	-16,794	1.72 USD	$28.9K		SEC
General Finance CORPListing unverified	Jun 12, 2017	SellD (derivative)	-73,112	1.72 USD	$125.8K		SEC
General Finance CORPListing unverified	Jun 12, 2017	SellD (derivative)	-341	1.72 USD	$586.5		SEC
General Finance CORPListing unverified	Jun 12, 2017	SellD (derivative)	-73,112	1.72 USD	$125.8K		SEC
General Finance CORPListing unverified	Jun 12, 2017	SellD (derivative)	-55,977	1.72 USD	$96.3K		SEC
JELD-WEN Holding, Inc.Listing on record	Jun 7, 2017	Sell	-49,894	29.67 USD	$1.5M		SEC
JELD-WEN Holding, Inc.Listing on record	Jun 7, 2017	Sell	-17,374	29.67 USD	$515.5K		SEC
JELD-WEN Holding, Inc.Listing on record	Jun 7, 2017	Sell	-175,253	29.67 USD	$5.2M		SEC
JELD-WEN Holding, Inc.Listing on record	Jun 7, 2017	Sell	-34,298	29.67 USD	$1M		SEC
JELD-WEN Holding, Inc.Listing on record	Jun 7, 2017	Sell	-484,482	29.67 USD	$14.4M		SEC
JELD-WEN Holding, Inc.Listing on record	Jun 7, 2017	Sell	-21,451	29.67 USD	$636.5K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Emerald Holding, Inc.Security delisted	Jul 14, 2026	Other	-470,583	—	n/a (No price was disclosed in the filing)		SEC
Emerald Holding, Inc.Security delisted	Jul 14, 2026	Other	-184,049,617	—	n/a (No price was disclosed in the filing)		SEC
Onex Direct Lending BDC FundListing unverified	Feb 10, 2026	Sell	-46,389.82	23.42 USD	$1.1M		SEC
POWERSCHOOL HOLDINGS, INC.Listing unverified	Oct 3, 2024	Other	-71,118,123	—	n/a (No price was disclosed in the filing)		SEC
RYAN SPECIALTY HOLDINGS, INC.Listing on record	May 25, 2023	Sell	-8,310,091	43.45 USD	$361.1M	Unusual size	SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-1,186,023	32.74 USD	$38.8M	Unusual size	SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-3,278,727	32.74 USD	$107.3M	Unusual size	SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-111,887	32.74 USD	$3.7M		SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-145,173	32.74 USD	$4.8M		SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-8,774,328	32.74 USD	$287.3M	Unusual size	SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-28,250	32.74 USD	$924.9K		SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-232,108	32.74 USD	$7.6M		SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-117,582	32.74 USD	$3.8M		SEC
JELD-WEN Holding, Inc.Listing on record	Nov 22, 2017	Sell	-337,658	32.74 USD	$11.1M		SEC
General Finance CORPListing unverified	Jun 12, 2017	SellD (derivative)	-16,794	1.72 USD	$28.9K		SEC
General Finance CORPListing unverified	Jun 12, 2017	SellD (derivative)	-73,112	1.72 USD	$125.8K		SEC
General Finance CORPListing unverified	Jun 12, 2017	SellD (derivative)	-341	1.72 USD	$586.5		SEC
General Finance CORPListing unverified	Jun 12, 2017	SellD (derivative)	-73,112	1.72 USD	$125.8K		SEC
General Finance CORPListing unverified	Jun 12, 2017	SellD (derivative)	-55,977	1.72 USD	$96.3K		SEC
JELD-WEN Holding, Inc.Listing on record	Jun 7, 2017	Sell	-49,894	29.67 USD	$1.5M		SEC
JELD-WEN Holding, Inc.Listing on record	Jun 7, 2017	Sell	-17,374	29.67 USD	$515.5K		SEC
JELD-WEN Holding, Inc.Listing on record	Jun 7, 2017	Sell	-175,253	29.67 USD	$5.2M		SEC
JELD-WEN Holding, Inc.Listing on record	Jun 7, 2017	Sell	-34,298	29.67 USD	$1M		SEC
JELD-WEN Holding, Inc.Listing on record	Jun 7, 2017	Sell	-484,482	29.67 USD	$14.4M		SEC
JELD-WEN Holding, Inc.Listing on record	Jun 7, 2017	Sell	-21,451	29.67 USD	$636.5K		SEC