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.

Washington, D.C. 20549


OMB Number:3235-0006
Expires:Oct 31, 2018
Estimated average burden
hours per response:23.8

Report for the Calendar Year or Quarter Ended:12-31-2020
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:Berkshire Hathaway Inc
Address:3555 Farnam Street
Omaha, NE  68131
Form 13F File Number:028-04545

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:Marc D. Hamburg
Title:Senior Vice President
Signature, Place, and Date of Signing:
Marc D. HamburgOmahaNE02-16-2021
[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
28-5194New England Asset Management Inc
Form 13F Summary Page
Report Summary:
Number of Other Included Managers:14
Form 13F Information Table Entry Total:141
Form 13F Information Table Value Total:269,927,528
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
128-2226Berkshire Hathaway Homestate Insurance Co.
228-5678Berkshire Hathaway Life Insurance Co of Nebraska
328-14389BH Finance LLC
428-554Buffett Warren E
528-1517Columbia Insurance Co
628-06102Cypress Insurance Co
728-11217Fechheimer Brothers Co
828-852GEICO Corp
928-12941Medical Protective Corp
1028-1066National Fire & Marine Insurance Co
1128-718National Indemnity Co
1228-5006National Liability & Fire Insurance Co
1328-11222Nebraska Furniture Mart
1428-12947U.S. Investment Corp