<SEC-DOCUMENT>0000950103-23-009277-index.html : 20230626
<SEC-HEADER>0000950103-23-009277.hdr.sgml : 20230626
<ACCEPTANCE-DATETIME>20230626163155
ACCESSION NUMBER:		0000950103-23-009277
CONFORMED SUBMISSION TYPE:	SC 13D
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20230626
DATE AS OF CHANGE:		20230626
GROUP MEMBERS:		GERALD W. SCHWARTZ
GROUP MEMBERS:		OMI PARTNERSHIP HOLDINGS LTD.
GROUP MEMBERS:		ONEX CAPITAL SOLUTIONS GP, LLC
GROUP MEMBERS:		ONEX CAPITAL SOLUTIONS GP, LP
GROUP MEMBERS:		ONEX CAPITAL SOLUTIONS HOLDINGS, LP

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ATI Physical Therapy, Inc.
		CENTRAL INDEX KEY:			0001815849
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-NURSING & PERSONAL CARE FACILITIES [8050]
		IRS NUMBER:				851408039
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91622
		FILM NUMBER:		231042777

	BUSINESS ADDRESS:	
		STREET 1:		790 REMINGTON BOULEVARD
		CITY:			BOILINGBROOK
		STATE:			IL
		ZIP:			60440
		BUSINESS PHONE:		630-296-2223

	MAIL ADDRESS:	
		STREET 1:		790 REMINGTON BOULEVARD
		CITY:			BOILINGBROOK
		STATE:			IL
		ZIP:			60440

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Fortress Value Acquisition Corp. II
		DATE OF NAME CHANGE:	20200622

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ONEX CORP
		CENTRAL INDEX KEY:			0000937226
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D

	BUSINESS ADDRESS:	
		STREET 1:		161 BAY STREET
		STREET 2:		P O BOX 700
		CITY:			TORONTO ONTARIO CANA
		STATE:			A6

	MAIL ADDRESS:	
		STREET 1:		161 BAY STREET
		STREET 2:		P O BOX 700
		CITY:			TORONTO ONTARIO CANA
		STATE:			A6

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ONEX CORP ET AL
		DATE OF NAME CHANGE:	19950209
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D
<SEQUENCE>1
<FILENAME>dp195751_sc13d.htm
<DESCRIPTION>FORM SC 13D
<TEXT>
Document 1 - file: dp195751_sc13d.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>dp195751_ex9901.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: dp195751_ex9901.htm

</DOCUMENT>
</SEC-DOCUMENT>