The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

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

FORM 13F COVER PAGE

OMB APPROVAL
OMB Number: 3235-0006
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hours per response: 23.8

Report for the Calendar Year or Quarter Ended: 12-31-2020
Check here if Amendment X Amendment Number: 1
This Amendment (Check only one.): X is a restatement.
   adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: UBS ASSET MANAGEMENT AMERICAS INC
Address: ONE NORTH WACKER DRIVE
CHICAGO, IL  60606
Form 13F File Number: 028-02682

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: Barry J. Mullen
Title: Chief Compliance Officer
Phone: 212-882-5367
Signature, Place, and Date of Signing:
/s/ Barry J. Mullen New YorkNY 03-01-2021
[Signature] [City, State] [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).)
X 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).)
List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]
Form 13F File Number Name
028-06609 AVIVA INVESTORS AMERICAS LLC
028-04293 BLACKROCK FINANCIAL MANAGEMENT
028-13826 BROOKFIELD SECURITIES GROUP LLC
028-05582 FIRST QUADRANT LP
028-14114 HUBER CAPITAL MANAGEMENT, LLC
028-16230 JACKSON SQUARE PARTNERS LLC
028-11937 J.P. MORGAN INVESTMENT MANAGEMENT, LLC
028-05792 KAYNE ANDERSON UDNICK INVESTMENT MANAGEMENT, LLC
028-13608 LMCG INVESTMENTS, LLC
028-10229 LOS ANGELES CAPITAL MANAGEMENT AND EQUITY RESEARCH, INC.
028-13243 MAR VISTA INVESTMENT PARTNERS, LLC
028-11450 MONDRIAN INVESTMENT PARTNERS LIMITED
028-17085 NEUBERGER BERMAN INVESTMENT ADVISERS LLC
028-10594 NOMURA CORPORATE RESEARCH AND ASSET MANAGEMENT INC.
028-12690 PCJ INVESTMENT COUNSEL LTD
028-10952 PACIFIC INVESTMENT MANAGEMENT COMPANY LLC
028-03791 PZENA INVESTMENT MANAGEMENT, LLC
028-05655 RIVERBRIDGE PARTNERS, LLC
028-01911 ROBERT W. BAIRD & CO. INCORPORATED (CHAUTAUQUA CAPITAL MANAGEMENT, LLC)
028-17843 SAPIENCE INVESTMENTS LLC
028-05369 SIRIOS CAPITAL MANAGEMENT L.P.
028-07022 WILLIAM BLAIR & COMPANY LLC
028-17689 KETTLE HILL CAPITAL MANAGEMENT, LLC
028-13391 NOMURA ASSET MANAGEMENT SINGAPORE LTD.
028-03059 JACOBS LEVY EQUITY MANAGEMENT, INC.
028-04413 WELLS CAPITAL MANAGEMENT, INC.
028-02900 MELLON INVESTMENTS CORP.
028-11166 CALAMOS ADVISORS
028-19400 RWC ASSET ADVISORS (US) LLC
028-17749 DLD ASSET MANAGEMENT, L.P.
028-02682 MAGNETAR ASSET MANAGEMENT, LLC
028-15430 ARGA INVESTMENT MANAGEMENT LP
028-16899 WELLINGTON MANAGEMENT CO.
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 5
Form 13F Information Table Entry Total: 15,010
Form 13F Information Table Value Total: 213,426,057
(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.]
No. Form 13F File Number Name
1 028-16612 UBS GROUP AG
2 028-3900 UBS ASSET MANAGEMENT TRUST COMPANY
7 028-10396 UBS AG/UBS ASSET MANAGEMENT
8 028-05673 UBS ASSET MANAGEMENT (UK) LTD
9 028-05961 UBS ASSET MANAGEMENT LIFE LTD.