Buffett Warren E (CIK 0000315090)

Latest company ownership

Role: 10% Owner
Shares held
69,032,909
Last filed at
Jan 15, 2016
Confidence Score
50.0
2026Q1
Confidence Score History
2015Q3 2026Q1
Shares held
15,904,249
Last filed at
Feb 17, 2026
Confidence Score
23.8
2026Q1
Confidence Score History
2026Q1 2026Q1
Shares held
1,114
Last filed at
Nov 12, 2025
Confidence Score
15.5
2026Q1
Confidence Score History
2016Q1 2026Q1

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jan 6, 2026 Feb 17, 2026 Liberty Live Holdings, Inc. 10% Owner Sell 15.0 -330,518 -2.08% $27.4M
Jan 29, 2026 Feb 2, 2026 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -1,658,480 -5.22% $199.9M
Oct 27, 2025 Oct 29, 2025 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -401,514 -1.25% $54.3M
Jul 31, 2025 Aug 4, 2025 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -1,635,962 -4.84% $230M
Jul 31, 2025 Aug 4, 2025 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +5,030,425 4.20% $106.5M
Jul 30, 2025 Aug 1, 2025 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -4,300,000 -32.36% $1.2B
May 22, 2025 May 27, 2025 BERKSHIRE HATHAWAY INC 10% Owner Sell 25.0 -200,000 -0.59% $27.8M
May 8, 2025 May 12, 2025 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -1,145,938 -3.26% $168.6M
Feb 14, 2025 Feb 19, 2025 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -750,000 -2.09% $116.1M
Feb 11, 2025 Feb 13, 2025 BERKSHIRE HATHAWAY INC 10% Owner Sell 25.0 -203,091 -0.56% $31.7M
Feb 7, 2025 Feb 11, 2025 BERKSHIRE HATHAWAY INC 10% Owner Buy 72.5 +763,017 0.29% $35.7M
Jan 30, 2025 Feb 3, 2025 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +2,308,119 1.96% $54M
Dec 31, 2024 Jan 3, 2025 BERKSHIRE HATHAWAY INC 10% Owner Buy 65.0 +20,044 0.15% $4.1M
Dec 26, 2024 Dec 30, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 80.0 +76,487 0.58% $15.6M
Dec 20, 2024 Dec 26, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +143,424 1.10% $28.5M
Dec 17, 2024 Dec 19, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +234,312 1.83% $45.4M
Dec 17, 2024 Dec 19, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +4,963,844 4.41% $107.2M
Dec 17, 2024 Dec 19, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +8,896,890 3.48% $409.2M
Oct 29, 2024 Oct 31, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +2,227,939 2.02% $60.7M
Oct 16, 2024 Oct 18, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +1,557,702 1.43% $42.1M
Oct 15, 2024 Oct 17, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -8,694,538 -1.12% $369.9M
Oct 9, 2024 Oct 11, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +3,564,059 3.39% $86.7M
Oct 8, 2024 Oct 10, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -9,549,933 -1.22% $382.4M
Oct 3, 2024 Oct 7, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -9,570,980 -1.21% $383M
Sep 30, 2024 Oct 2, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -8,547,947 -1.06% $337.9M
Sep 25, 2024 Sep 27, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -11,678,366 -1.43% $460.7M
Sep 20, 2024 Sep 24, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -21,561,209 -2.58% $862.7M
Sep 17, 2024 Sep 19, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -22,272,071 -2.60% $896.1M
Sep 6, 2024 Sep 10, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 25.0 -5,797,093 -0.67% $228.7M
Sep 3, 2024 Sep 5, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -18,746,304 -2.12% $760M
Aug 28, 2024 Aug 30, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -21,076,473 -2.33% $848.2M
Aug 23, 2024 Aug 27, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -24,660,563 -2.66% $981.9M
Aug 15, 2024 Aug 19, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -13,968,943 -1.48% $550.7M
Jul 30, 2024 Aug 1, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -19,216,833 -2.00% $778.7M
Jul 25, 2024 Jul 29, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -18,414,846 -1.88% $767M
Jul 22, 2024 Jul 24, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -18,899,518 -1.89% $802.5M
Jul 17, 2024 Jul 19, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -33,890,927 -3.28% $1.5B
Jun 13, 2024 Jun 20, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 17.5 -65,330 -1.29% $2.2M
Jun 13, 2024 Jun 17, 2024 BERKSHIRE HATHAWAY INC 10% Owner Sell 17.5 -65,330 -1.29% $2.2M
Jun 13, 2024 Jun 17, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +2,947,611 1.17% $176M
Jun 10, 2024 Jun 12, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 80.0 +1,750,308 0.70% $105.6M
Jun 5, 2024 Jun 7, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +2,565,477 1.03% $153.3M
Apr 29, 2024 May 1, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 71.3 +311,637 0.45% $7.9M
Apr 24, 2024 Apr 26, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +500,000 1.44% $12.3M
Apr 24, 2024 Apr 26, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 80.0 +647,016 0.94% $15.9M
Apr 10, 2024 Apr 12, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +1,134,331 1.67% $29.3M
Apr 10, 2024 Apr 12, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +803,890 2.37% $20.8M
Apr 4, 2024 Apr 8, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +2,423,625 3.70% $66.4M
Apr 4, 2024 Apr 8, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +1,122,705 3.43% $30.7M
Mar 26, 2024 Mar 28, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 97.5 +2,521,431 8.34% $73.4M
Mar 26, 2024 Mar 28, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 100.0 +7,599,572 13.13% $221.2M
Mar 21, 2024 Mar 25, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +1,276,439 2.25% $36.8M
Mar 21, 2024 Mar 25, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +1,282,569 4.43% $36.9M
Mar 8, 2024 Mar 12, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 100.0 +3,720,082 14.74% $111.4M
Mar 8, 2024 Mar 12, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 100.0 +5,927,375 11.70% $176.7M
Mar 4, 2024 Mar 6, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +2,183,430 4.50% $63.9M
Mar 4, 2024 Mar 6, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 97.5 +1,491,510 6.28% $43.6M
Feb 1, 2024 Feb 5, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +4,302,324 1.76% $245.9M
Jan 30, 2024 Feb 1, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +1,028,053 2.17% $31.2M
Jan 30, 2024 Feb 1, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +799,629 3.49% $24.3M
Jan 23, 2024 Jan 25, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +1,002,741 2.16% $31.1M
Jan 23, 2024 Jan 25, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +438,945 1.95% $13.6M
Jan 2, 2024 Jan 18, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +1,090,754 2.65% $32.5M
Jan 2, 2024 Jan 18, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +1,669,219 3.86% $49.7M
Jan 12, 2024 Jan 17, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 97.5 +1,203,024 5.65% $36.6M
Jan 12, 2024 Jan 17, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +1,591,168 3.55% $48.4M
Jan 2, 2024 Jan 4, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +1,669,219 3.86% $49.7M
Jan 2, 2024 Jan 4, 2024 BERKSHIRE HATHAWAY INC 10% Owner Buy 97.5 +1,090,754 5.40% $32.5M
Dec 19, 2023 Dec 21, 2023 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +5,182,615 2.17% $312.1M
Dec 11, 2023 Dec 13, 2023 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +10,482,162 4.59% $588.7M
Oct 23, 2023 Oct 25, 2023 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +3,921,835 1.75% $246.4M
Oct 3, 2023 Oct 5, 2023 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -3,067,508 -3.04% $80.4M
Sep 28, 2023 Oct 2, 2023 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -5,125,638 -4.83% $132M
Sep 25, 2023 Sep 27, 2023 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -4,614,423 -4.17% $119.7M
Sep 20, 2023 Sep 22, 2023 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -4,788,472 -4.15% $129.2M
Sep 11, 2023 Sep 13, 2023 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -5,502,172 -4.55% $158.5M
Jun 26, 2023 Jun 28, 2023 BERKSHIRE HATHAWAY INC 10% Owner Buy 80.0 +2,138,250 0.96% $122.1M
May 25, 2023 May 30, 2023 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +4,660,809 2.14% $273M
May 16, 2023 May 18, 2023 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +3,457,222 1.62% $201.4M
May 11, 2023 May 15, 2023 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +2,165,792 1.02% $125.7M
Mar 23, 2023 Mar 27, 2023 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +3,666,714 1.76% $216.2M
Mar 13, 2023 Mar 15, 2023 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +7,886,964 3.94% $466.7M
Mar 3, 2023 Mar 7, 2023 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +5,801,791 2.98% $354.5M
Sep 26, 2022 Sep 28, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +5,985,190 3.18% $352.5M
Aug 4, 2022 Aug 8, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +6,681,669 3.68% $390.7M
Jul 18, 2022 Jul 19, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 67.5 +242,241 0.13% $14.5M
Jul 14, 2022 Jul 18, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +1,942,900 1.08% $112.1M
Jul 11, 2022 Jul 13, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 90.0 +4,304,146 2.45% $249.8M
Jul 5, 2022 Jul 7, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 97.5 +12,042,470 7.37% $697.8M
Jun 29, 2022 Jul 1, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 97.5 +9,887,040 6.44% $582.4M
Jun 23, 2022 Jun 27, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 80.0 +794,389 0.52% $44M
Jun 17, 2022 Jun 22, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 97.5 +9,551,454 6.67% $528.8M
May 10, 2022 May 12, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 80.0 +901,774 0.63% $51.7M
May 2, 2022 May 4, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 95.0 +5,887,618 4.31% $336.2M
Apr 4, 2022 Apr 6, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 100.0 +11,133,565 10.14% $398.5M
Mar 14, 2022 Mar 16, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 100.0 +18,102,616 15.29% $985M
Mar 9, 2022 Mar 11, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 100.0 +27,107,389 29.70% $1.5B
Mar 2, 2022 Mar 4, 2022 BERKSHIRE HATHAWAY INC 10% Owner Buy 100.0 +61,351,818 205.11% $3.1B
Nov 1, 2021 Nov 3, 2021 BERKSHIRE HATHAWAY INC 10% Owner Buy 100.0 +5,347,320 35.98% $267.4M
Sep 17, 2020 Sep 21, 2020 BERKSHIRE HATHAWAY INC 10% Owner Sell 15.0 -2,000,000 -5.25% $176M