Berkshire Hathaway Inc.
MX ˙ BMV
SecurityMX:BRKB / Berkshire Hathaway Inc.
InstitutionDiamond Hill Capital Management Inc
Latest Disclosed Ownership1,272,427 shares
Latest Disclosed Value $ 609,747,018
Diamond Hill Capital Management Inc reports 16.82% decrease in ownership of BRKB / Berkshire Hathaway Inc.

On May 7, 2026 - Diamond Hill Capital Management Inc filed a 13F-HR form disclosing ownership of 1,272,427 shares of Berkshire Hathaway Inc. (MX:BRKB) valued at $609,747,018 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 1,529,650 shares of Berkshire Hathaway Inc.. This represents a change in shares of -16.82% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-07 2026-03-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 1,272,427 -257,223 -16.82 609,747 -20.70 3.8138
2026-02-06 2025-12-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 1,529,650 -242,971 -13.71 768,879 -13.72 3.9397
2025-11-05 2025-09-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 1,772,621 200,692 12.77 891,167 16.71 4.2308
2025-08-12 2025-06-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 1,571,929 36,507 2.38 763,596 -6.62 3.5098
2025-05-06 2025-03-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 1,535,422 -33,004 -2.10 817,735 15.02 3.7484
2025-02-10 2024-12-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 1,568,426 664,277 73.47 710,936 70.84 3.1393
2024-11-04 2024-09-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 904,149 241,009 36.34 416,144 54.26 1.6835
2024-08-08 2024-06-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 663,140 -26,613 -3.86 269,765 -6.99 1.1538
2024-05-13 2024-03-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 689,753 -99,702 -12.63 290,055 3.01 1.1838
2024-02-05 2023-12-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 789,455 -16,829 -2.09 281,567 -0.31 1.2373
2023-11-02 2023-09-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 806,284 -69,091 -7.89 282,441 -5.38 1.3666
2023-08-08 2023-06-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 875,375 -48,997 -5.30 298,503 4.58 1.3428
2023-05-11 2023-03-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 924,372 -350,026 -27.47 285,418 -27.50 1.3362
2023-02-07 2022-12-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 1,274,398 -114,773 -8.26 393,662 6.13 1.7889
2022-11-08 2022-09-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 1,389,171 -18,045 -1.28 370,936 -3.45 1.7790
2022-08-09 2022-06-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 1,407,216 -418,215 -22.91 384,198 -40.36 1.6785
2022-05-11 2022-03-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 1,825,431 -759,525 -29.38 644,213 -16.65 2.3951
2022-02-08 2021-12-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,584,956 -128,324 -4.73 772,902 4.37 2.7621
2021-11-15 2021-09-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,713,280 -19,681 -0.72 740,563 -2.50 2.8094
2021-08-03 2021-06-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,732,961 13,314 0.49 759,545 9.32 2.8844
2021-05-04 2021-03-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,719,647 122,941 4.73 694,788 15.39 2.8085
2021-02-08 2020-12-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,596,706 -97,413 -3.62 602,098 4.95 2.8351
2020-11-09 2020-09-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,694,119 7,637 0.28 573,686 19.63 3.1637
2020-08-10 2020-06-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,686,482 329,881 14.00 479,564 11.30 2.8276
2020-05-05 2020-03-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,356,601 31,818 1.37 430,857 -18.18 2.9186
2020-02-07 2019-12-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,324,783 29,454 1.28 526,563 10.28 2.6433
2019-10-30 2019-09-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,295,329 70,586 3.17 477,474 0.68 2.5391
2019-08-01 2019-06-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,224,743 -9,037 -0.40 474,248 5.68 2.5362
2019-04-30 2019-03-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,233,780 64,063 2.95 448,744 1.29 2.4678
2019-02-11 2018-12-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,169,717 -124,181 -5.41 443,013 -9.80 2.5995
2018-11-13 2018-09-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,293,898 -57,857 -2.46 491,147 11.89 2.4476
2018-08-07 2018-06-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,351,755 226,542 10.66 438,955 3.54 2.2533
2018-05-02 2018-03-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 2,125,213 848,540 66.46 423,937 67.52 2.1699
2018-02-06 2017-12-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 1,276,673 8,002 0.63 253,062 8.81 1.2681
2017-10-18 2017-09-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 1,268,671 -5,995 -0.47 232,573 7.73 1.2248
2017-07-26 2017-06-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 1,274,666 205,452 19.22 215,890 21.14 1.1647
2017-05-02 2017-03-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 1,069,214 543,014 103.20 178,217 107.81 0.9979
2017-02-10 2016-12-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 526,200 6,635 1.28 85,760 14.25 0.4978
2016-11-09 2016-09-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 519,565 -9,767 -1.85 75,062 -2.06 0.4639
2016-08-10 2016-06-30 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 529,332 -3,552 -0.67 76,642 1.37 0.4842
2016-05-12 2016-03-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 532,884 41,410 8.43 75,606 16.51 0.4816
2016-02-10 2015-12-31 13F Berkshire Hathaway, Inc. (Cl B COM 084670702 491,474 491,474 64,894 0.4311
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.