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

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OMB Number:3235-0006
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Report for the Calendar Year or Quarter Ended:06-30-2021
Check here if Amendment  Amendment Number:
This Amendment (Check only one.):  is a restatement.
  adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name:NORTHERN TRUST CORP
Address:50 S LASALLE ST
CHICAGO, IL  60603
Form 13F File Number:028-00290

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:James D. McDonald
Title:Executive Vice President
Phone:(312) 630-6000
Signature, Place, and Date of Signing:
James D. McDonaldChicagoIL08-11-2021
[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).)
X13F 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 NumberName
028-15333KELLOGG W K FOUNDATION TRUST
028-12638Interactive Financial Advisors
028-14423First Sentier Investors (Australia) IM Ltd
028-13243MAR VISTA INVESTMENT PARTNERS LLC
028-10469LAZARD ASSET MANAGEMENT LLC
028-11728CAUSEWAY CAPITAL MANAGEMENT LLC
028-04557WELLINGTON MANAGEMENT GROUP LLP
028-16442Strategic Global Advisors, LLC
028-14260Ashmore Group plc
028-17488Maple-Brown Abbott Ltd
028-07104WCM INVESTMENT MANAGEMENT, LLC
028-11863Westwood Global Investments, LLC
028-06354VICTORY CAPITAL MANAGEMENT INC
028-17768ARK Investment Management LLC
028-02634Aristotle Capital Management, LLC
028-04003ARIEL INVESTMENTS, LLC
028-03687POLEN CAPITAL MANAGEMENT LLC
028-05615AXIOM INVESTORS LLC /DE
Form 13F Summary Page
Report Summary:
Number of Other Included Managers:4
Form 13F Information Table Entry Total:17,777
Form 13F Information Table Value Total:567,697,543
(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 NumberName
1028-10495NORTHERN TRUST CO
8028-10487Northern Trust Investments, Inc
9028-10549NORTHERN TRUST GLOBAL INVESTMENTS LTD
10028-18905Belvedere Advisors LLC