Berkshire Hathaway (BRK.B) insider trades, Congress trades and 13F ownership

September 2026

Insider trade · Traded Sep 28, 2026 · Filed Sep 29, 2026
Chair sold ~$20M of BRK.B shares in the open market Source
Congress trade · Transaction Aug 7, 2026 · Disclosed Sep 9, 2026
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source

August 2026

Fund holdings · Holdings as of Jun 30, 2026 (Q2 2026) · Filed Aug 14, 2026
Gates Foundation Trust disclosed a reduced position in BRK.B for Q2 2026 Source
Fund holdings · Holdings as of Jun 30, 2026 (Q2 2026) · Filed Aug 14, 2026
Appaloosa disclosed a new position in BRK.B (put options) for Q2 2026 Source
Congress trade · Transaction Jul 30, 2026 · Disclosed Aug 14, 2026
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source
Insider trade · Traded Aug 12, 2026 · Filed Aug 13, 2026
Officer purchased ~$205K of BRK.B shares in the open market Source
Insider trade · Traded Aug 12, 2026 · Filed Aug 13, 2026
Officer purchased ~$23K of BRK.B shares in the open market Source
Insider trade · Traded Aug 12, 2026 · Filed Aug 13, 2026
Officer purchased ~$22K of BRK.B shares in the open market Source
Congress trade · Transaction Jul 28, 2026 · Disclosed Aug 7, 2026
Disclosed purchase of BRK.B — reported range $15,001 - $50,000 Source
Congress trade · Transaction Jul 28, 2026 · Disclosed Aug 7, 2026
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source

July 2026

Congress trade · Transaction Jun 23, 2026 · Disclosed Jul 21, 2026
Disclosed purchase of BRK.B — reported range $15,001 - $50,000 Source
Congress trade · Transaction Mar 27, 2026 · Disclosed Jul 21, 2026
Disclosed purchase of BRK.B — reported range $50,001 - $100,000 Source
5%+ stake, activist · Stake as of Jul 14, 2026 · Filed Jul 15, 2026
Warren E. Buffett raised its BRK.B stake to 38.2% from 37.7%Source

June 2026

Congress trade · Transaction May 27, 2026 · Disclosed Jun 25, 2026
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction May 27, 2026 · Disclosed Jun 25, 2026
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction May 27, 2026 · Disclosed Jun 25, 2026
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction May 27, 2026 · Disclosed Jun 25, 2026
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source

February 2026

5%+ stake · Stake as of Dec 31, 2025 · Filed Feb 5, 2026
FMR LLC cut its BRK.B stake below 5% (4.7%)Source

January 2026

Congress trade · Transaction Jan 27, 2026 · Disclosed Jan 30, 2026
Disclosed partial sale of BRK.B — reported range $100,001 - $250,000 Source
Congress trade · Transaction Dec 24, 2025 · Disclosed Jan 12, 2026
Disclosed partial sale of BRK.B — reported range $1,001 - $15,000 Source

December 2025

Congress trade · Transaction Nov 19, 2025 · Disclosed Dec 19, 2025
Disclosed sale of BRK.B — reported range $50,001 - $100,000 Source
Congress trade · Transaction Nov 18, 2025 · Disclosed Dec 15, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction Nov 5, 2025 · Disclosed Dec 9, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source

November 2025

Congress trade · Transaction Nov 3, 2025 · Disclosed Nov 21, 2025
Disclosed sale of BRK.B — reported range $15,001 - $50,000 Source
Congress trade · Transaction Oct 31, 2025 · Disclosed Nov 21, 2025
Disclosed sale of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction Oct 30, 2025 · Disclosed Nov 21, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction Oct 30, 2025 · Disclosed Nov 21, 2025
Disclosed sale of BRK.B — reported range $1,001 - $15,000 Source

October 2025

Congress trade · Transaction Oct 24, 2025 · Disclosed Oct 28, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction Sep 23, 2025 · Disclosed Oct 27, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction Oct 14, 2025 · Disclosed Oct 21, 2025
Disclosed partial sale of BRK.B — reported range $15,001 - $50,000 Source
Congress trade · Transaction Sep 23, 2025 · Disclosed Oct 10, 2025
Disclosed sale of BRK.B — reported range $1,001 - $15,000 Source

September 2025

Congress trade · Transaction Jul 2, 2025 · Disclosed Sep 12, 2025
Disclosed partial sale of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction May 21, 2025 · Disclosed Sep 12, 2025
Disclosed partial sale of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction Oct 29, 2024 · Disclosed Sep 12, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction Aug 6, 2025 · Disclosed Sep 12, 2025
Disclosed partial sale of BRK.B — reported range $1,001 - $15,000 Source

August 2025

Congress trade · Transaction Jun 11, 2025 · Disclosed Aug 13, 2025
Disclosed partial sale of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction Jul 16, 2025 · Disclosed Aug 13, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction Aug 8, 2025 · Disclosed Aug 8, 2025
Disclosed sale of BRK.B — reported range $1,001 - $15,000 Source

July 2025

Congress trade · Transaction Jun 16, 2025 · Disclosed Jul 14, 2025
Disclosed sale of BRK.B — reported range $15,001 - $50,000 Source
Congress trade · Transaction Aug 7, 2024 · Disclosed Jul 3, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction Jan 30, 2024 · Disclosed Jul 3, 2025
Disclosed partial sale of BRK.B — reported range $1,001 - $15,000 Source

June 2025

Congress trade · Transaction May 12, 2025 · Disclosed Jun 22, 2025
Disclosed sale of BRK.B — reported range $100,001 - $250,000 Source
Congress trade · Transaction May 9, 2025 · Disclosed Jun 20, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source

May 2025

Congress trade · Transaction Apr 9, 2025 · Disclosed May 14, 2025
Disclosed partial sale of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction Apr 1, 2025 · Disclosed May 14, 2025
Disclosed partial sale of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction May 5, 2025 · Disclosed May 6, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source

April 2025

Congress trade · Transaction Apr 4, 2025 · Disclosed Apr 7, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source

March 2025

Congress trade · Transaction Mar 5, 2025 · Disclosed Mar 11, 2025
Disclosed partial sale of BRK.B — reported range $15,001 - $50,000 Source
Congress trade · Transaction Feb 21, 2025 · Disclosed Mar 6, 2025
Disclosed partial sale of BRK.B — reported range $1,001 - $15,000 Source

February 2025

Congress trade · Transaction Jan 15, 2025 · Disclosed Feb 13, 2025
Disclosed purchase of BRK.B — reported range $50,001 - $100,000 Source
Congress trade · Transaction Jan 15, 2025 · Disclosed Feb 13, 2025
Disclosed sale of BRK.B — reported range $15,001 - $50,000 Source
Congress trade · Transaction Jan 15, 2025 · Disclosed Feb 13, 2025
Disclosed sale of BRK.B — reported range $15,001 - $50,000 Source
Congress trade · Transaction Jan 13, 2025 · Disclosed Feb 13, 2025
Disclosed purchase of BRK.B — reported range $15,001 - $50,000 Source

January 2025

Congress trade · Transaction Jan 8, 2025 · Disclosed Jan 27, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction Jan 8, 2025 · Disclosed Jan 27, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction Jan 8, 2025 · Disclosed Jan 27, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source
Congress trade · Transaction Dec 16, 2024 · Disclosed Jan 18, 2025
Disclosed purchase of BRK.B — reported range $1,001 - $15,000 Source

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