THIS FILING LISTS SECURITIES HOLDINGS REPORTED ON THE FORM 13F FILED ON 12-31-2024 PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT AND FOR WHICH CONFIDENTIAL TREATMENT EXPIRED ON 06-30-2025 

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE
OMB APPROVAL
OMB Number:3235-0006
Expires:July 31, 2015
Estimated average burden
hours per response:23.8
Report for the Calendar Year or Quarter Ended:
12-31-2024
Check here if Amendment: ☒ Amendment Number:
2
This Amendment (Check only one.):☐ is a restatement.
☒ adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)
Address:
ONE NORTH WACKER DRIVE 31ST FLOOR
CHICAGO, IL 60606
Form 13F File Number:
028-06327

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.


Person Signing this Report on Behalf of Reporting Manager:
Name:
Charles Mathys
Title:
O'Connor CCO
Phone:
312-525-4114


Signature, Place, and Date of Signing:

Charles Mathys
                         [Signature]
Chicago, ILLINOIS
                 [City, State]
08-14-2025
                           [Date]
                          

Report Type (Check only one.):

☒ 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) 

☐ 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) 

☐ 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)


Form 13F Summary Page

Report Summary:

Number of Other Included Managers:
0
Form 13F Information table Entry Total:
8
Form 13F Information table Value Total:
1320512956
          (thousands)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state "NONE" and omit the column headings and list entries.]

  
NONE


UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number:3235-0006
Expires:July 31, 2015
Estimated average burden
hours per response:23.8
COLUMN 1COLUMN 2COLUMN 3COLUMN 4COLUMN 5COLUMN 6COLUMN 7COLUMN 8
VALUESHRS ORSH/PUT/INVESTMENTOTHERVOTING AUTHORITY
NAME OF ISSUERTITLE OF CLASSCUSIP(x$1000)PRN AMTPRNCALLDISCRETIONMANAGERSOLESHAREDNONE
BERRY GLOBCOM08579W10355,903,206864,438SHDFND864,438 0 0
CHAMPIONXCOM15872M104209,911,9407,720,189SHDFND7,720,189 0 0
DISCOVER FCOM254709108202,107,0941,166,698SHDFND1,166,698 0 0
KELLANOVACOM487836108305,125,0813,768,372SHDFND3,768,372 0 0
UNITED STACOM91290910846,747,2291,375,323SHDFND1,375,323 0 0
ENSTAR GROSHSG3075P10118,647,01757,901SHDFND57,901 0 0
ANSYS INCCOM03662Q10599,162,201293,962SHDFND293,962 0 0
HESS CORPCOM42809H107382,909,1882,878,800SHDFND2,878,800 0 0