Warren Buffett updates BRK stake: 37.7% Class A, 13.6% economic

Rhea-AI Filing Summary

Berkshire Hathaway Inc. — Schedule 13D/A reports Warren E. Buffett’s updated beneficial ownership. He holds 196,317 shares of Class A Common Stock and 1,114 shares of Class B Common Stock. This equals approximately 37.7% of Class A outstanding, 29.8% of the aggregate voting power of both classes, and 13.6% of the economic interest across both classes.

On November 10, 2025, Mr. Buffett converted 1,800 Class A shares into 2,700,000 Class B shares. On the same date, he donated 1,500,000 Class B shares to the Susan Thompson Buffett Foundation and 400,000 Class B shares to each of the Sherwood Foundation, the Howard G. Buffett Foundation, and the NoVo Foundation.

Insights

Ownership & Governance Analyst

Buffett updates BRK ownership; conversion and donations disclosed.

Warren E. Buffett reports beneficial ownership of 196,317 Class A shares and 1,114 Class B shares. The filing states this represents 37.7% of Class A outstanding, 29.8% of aggregate voting power across both classes, and 13.6% of aggregate economic interest.

On November 10, 2025, he converted 1,800 Class A into 2,700,000 Class B, then donated 2,700,000 Class B in total to named foundations. These actions shift shares between classes and recipients while the filing quantifies his resulting voting and economic stakes.

Investor impact depends on the multi‑class structure where Class A and Class B differ in voting power per share. The disclosed percentages anchor current influence and ownership; any further changes would appear in subsequent amendments.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 80)

Berkshire Hathaway Inc.

(Name of Issuer)

Class A Common Stock, Par Value $5.00 per share

(Title of Class of Securities)

084670108

(CUSIP Number)

Warren E. Buffett
3555, Farnam Street
Omaha, NE, 68131
402-346-1400

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

11/10/2025

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

CUSIP No. 084670108

1

Name of reporting person

Warren E. Buffett

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

PF

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 196,317.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 196,317.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

196,317.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

37.7 %

14

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person:

This Schedule 13D amendment relates to the following classes of securities: Class A common Stock, Par Value $5.00 per share with CUSIP No. 084670108 and Class B Common Stock, Par Value $0.0033 per share with CUSIP No. 084670702. Due to the new Edgar filing requirements, cover pages are limited to one class of security. The cover page of this Schedule 13D filing relates to the Class A Common Stock, and this comment and the notes below shall serve as full disclosure of the beneficial ownership of all classes of securities of the Issuer. Sole Voting Power and Sole Dispositive Power shown in Boxes 7 and 9 consists of 196,317 shares of Class A Common Stock held directly by Mr. Buffett. Mr. Buffett also has sole voting power and sole dispositive power over 1,114 shares of Class B Common Stock held directly by Mr. Buffett. Aggregate amount beneficially owned in Box 9 consists of the Class A Common Stock reported in Boxes 7 and 9. The aggregate amount of Class B Common Stock beneficially owned by Mr. Buffett consists of 1,114 shares of Class B Common Stock, which represents less than 0.01% of the outstanding shares of Class B Common Stock.

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Class A Common Stock, Par Value $5.00 per share
(b)	Name of Issuer: Berkshire Hathaway Inc.
(c)	Address of Issuer's Principal Executive Offices: 3555 Farnam Street, Omaha, NEBRASKA , 68131.
Item 1 Comment: Item 5 of this Schedule 13D is amended to add the information set forth below. Except as specifically set forth herein, this Schedule 13D amendment does not modify any of the information previously reported by Mr. Buffett in this Schedule 13D.
Item 5.	Interest in Securities of the Issuer
(a)	Mr. Buffett owns, and has the sole power to vote and to dispose of, 196,317 share of Class A Common Stock and 1,114 shares of Class B Common Stock, representing approximately 37.7% of the outstanding shares of Class A Common Stock, less than 0.01% of the outstanding shares of Class B Common Stock, 29.8% of the aggregate voting power of the outstanding shares of both classes and 13.6% of the economic interest of the outstanding shares of both classes.
(b)	Information disclosed in Item 5(a).
(c)	On November 10, 2025, Mr. Buffett converted 1,800 shares of Class A Common Stock into 2,700,000 shares of Class B Common Stock. Also on November 10, 2025, Mr. Buffett donated 1,500,000 shares of Class B Common Stock to the Susan Thompson Buffett Foundation and 400,000 shares of Class B Common Stock to each of the Sherwood Foundation, the Howard G. Buffett Foundation and the NoVo Foundation.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Warren E. Buffett

Signature:	/s/ Warren E. Buffett
Name/Title:	Warren E. Buffett
Date:	11/12/2025

FAQ

What did Warren Buffett disclose in Berkshire (BRK) Schedule 13D/A Amendment No. 80?

He reported 196,317 Class A shares and 1,114 Class B shares, equating to 37.7% of Class A, 29.8% voting power, and 13.6% economic interest.

What transactions did Warren Buffett make on November 10, 2025 for BRK?

He converted 1,800 Class A shares into 2,700,000 Class B shares and donated 2,700,000 Class B shares to four foundations.

How many Berkshire Class B shares did Warren Buffett donate and to whom?

He donated 1,500,000 Class B shares to the Susan Thompson Buffett Foundation and 400,000 Class B to each of the Sherwood, Howard G. Buffett, and NoVo Foundations.

What is Warren Buffett’s current voting power in Berkshire after these changes?

The filing states 29.8% of the aggregate voting power of the outstanding shares of both classes.

What is Warren Buffett’s economic interest in Berkshire following the update?

The filing states 13.6% of the economic interest in the outstanding shares of both classes.

How many Berkshire Class A shares does Warren Buffett hold now?

He holds 196,317 shares of Class A Common Stock.