Berkshire Hathaway Inc.
MX ˙ BMV
SecurityMX:BRKB / Berkshire Hathaway Inc.
InstitutionAsset Management Advisors, LLC
Latest Disclosed Ownership111,878 shares
Latest Disclosed Value $ 53,611,938
Asset Management Advisors, LLC reports 0.07% increase in ownership of BRKB / Berkshire Hathaway Inc.

On April 8, 2026 - Asset Management Advisors, LLC filed a 13F-HR form disclosing ownership of 111,878 shares of Berkshire Hathaway Inc. (MX:BRKB) valued at $53,611,938 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 6, 2026 disclosing 111,796 shares of Berkshire Hathaway Inc.. This represents a change in shares of 0.07% 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)
2026-04-08 2026-03-31 13F Berkshire Hathaway B COM 084670702 111,878 82 0.07 53,612 -4.60 32.4268
2026-01-06 2025-12-31 13F Berkshire Hathaway B COM 084670702 111,796 -827 -0.73 56,194 -0.75 33.9873
2025-10-21 2025-09-30 13F Berkshire Hathaway B COM 084670702 112,623 407 0.36 56,620 3.87 34.5549
2025-07-30 2025-06-30 13F Berkshire Hathaway B COM 084670702 112,216 -431 -0.38 54,511 -9.14 36.6077
2025-04-08 2025-03-31 13F Berkshire Hathaway B COM 084670702 112,647 -143 -0.13 59,994 17.35 40.8678
2025-01-24 2024-12-31 13F Berkshire Hathaway B COM 084670702 112,790 36 0.03 51,125 -1.49 37.2358
2024-11-04 2024-09-30 13F Berkshire Hathaway B COM 084670702 112,754 -493 -0.44 51,896 12.65 36.2287
2024-07-15 2024-06-30 13F Berkshire Hathaway B COM 084670702 113,247 1,441 1.29 46,069 -2.02 35.1762
2024-04-30 2024-03-31 13F Berkshire Hathaway B COM 084670702 111,806 -2,215 -1.94 47,017 15.62 36.5173
2024-01-26 2023-12-31 13F Berkshire Hathaway B COM 084670702 114,021 -587 -0.51 40,667 1.29 33.4401
2023-11-02 2023-09-30 13F Berkshire Hathaway B COM 084670702 114,608 -574 -0.50 40,147 2.22 37.6601
2023-08-03 2023-06-30 13F Berkshire Hathaway B COM 084670702 115,182 -1,146 -0.99 39,277 9.35 34.0836
2023-04-19 2023-03-31 13F Berkshire Hathaway B COM 084670702 116,328 -7,024 -5.69 35,919 -5.73 34.3163
2023-01-17 2022-12-31 13F Berkshire Hathaway B COM 084670702 123,352 -701 -0.57 38,103 15.03 37.5728
2022-11-07 2022-09-30 13F Berkshire Hathaway B COM 084670702 124,053 -7,032 -5.36 33,125 -7.44 34.1604
2022-08-01 2022-06-30 13F Berkshire Hathaway B COM 084670702 131,085 -867 -0.66 35,789 -23.15 30.9013
2022-04-29 2022-03-31 13F Berkshire Hathaway B COM 084670702 131,952 -3,363 -2.49 46,567 15.10 33.7714
2022-01-18 2021-12-31 13F Berkshire Hathaway B COM 084670702 135,315 -50 -0.04 40,459 9.51 27.4042
2021-10-19 2021-09-30 13F Berkshire Hathaway B COM 084670702 135,365 4,067 3.10 36,947 1.25 27.9060
2021-07-22 2021-06-30 13F Berkshire Hathaway B COM 084670702 131,298 -492 -0.37 36,490 8.38 25.7469
2021-04-26 2021-03-31 13F Berkshire Hathaway B COM 084670702 131,790 179 0.14 33,668 10.33 25.4648
2021-02-03 2020-12-31 13F Berkshire Hathaway B COM 084670702 131,611 -6,703 -4.85 30,517 3.61 27.7839
2020-11-09 2020-09-30 13F Berkshire Hathaway B COM 084670702 138,314 21,447 18.35 29,453 41.18 30.1174
2020-08-05 2020-06-30 13F Berkshire Hathaway B COM 084670702 116,867 -24,676 -17.43 20,862 -19.38 27.5065
2020-05-07 2020-03-31 13F Berkshire Hathaway B COM 084670702 141,543 7,195 5.36 25,878 -14.96 30.2119
2020-01-30 2019-12-31 13F Berkshire Hathaway B COM 084670702 134,348 568 0.42 30,430 9.35 23.9074
2019-11-06 2019-09-30 13F Berkshire Hathaway B COM 084670702 133,780 -339 -0.25 27,829 -2.66 23.5404
2019-07-26 2019-06-30 13F Berkshire Hathaway B COM 084670702 134,119 -596 -0.44 28,590 5.64 24.6270
2019-05-10 2019-03-31 13F Berkshire Hathaway B COM 084670702 134,715 269 0.20 27,063 -1.41 22.7216
2019-02-04 2018-12-31 13F Berkshire Hathaway B COM 084670702 134,446 -1,094 -0.81 27,451 8.51 26.0815
2018-11-06 2018-09-30 13F Berkshire Hathaway B COM 084670702 135,540 0 0.00 25,299 0.00 21.4144
2018-08-03 2018-06-30 13F Berkshire Hathaway B COM 084670702 135,540 -440 -0.32 25,299 -6.73 21.4144
2018-05-01 2018-03-31 13F Berkshire Hathaway B COM 084670702 135,980 -991 -0.72 27,125 -0.09 23.4266
2018-02-05 2017-12-31 13F Berkshire Hathaway B COM 084670702 136,971 6,299 4.82 27,150 13.34 22.7662
2017-10-30 2017-09-30 13F Berkshire Hathaway B COM 084670702 130,672 -7,150 -5.19 23,955 2.62 21.8617
2017-08-10 2017-06-30 13F Berkshire Hathaway B COM 084670702 137,822 6,995 5.35 23,343 7.05 20.7621
2017-05-03 2017-03-31 13F Berkshire Hathaway B COM 084670702 130,827 2,999 2.35 21,806 4.67 19.5069
2017-02-06 2016-12-31 13F Berkshire Hathaway B COM 084670702 127,828 255 0.20 20,833 13.04 19.4757
2016-11-09 2016-09-30 13F Berkshire Hathaway B COM 084670702 127,573 755 0.60 18,430 0.37 17.6032
2016-08-11 2016-06-30 13F Berkshire Hathaway B COM 084670702 126,818 -20,240 -13.76 18,362 -12.00 17.9650
2016-05-09 2016-03-31 13F Berkshire Hathaway B COM 084670702 147,058 -8,258 -5.32 20,865 1.74 18.3823
2016-02-03 2015-12-31 13F Berkshire Hathaway B COM 084670702 155,316 -8,265 -5.05 20,508 -3.86 17.1687
2015-11-06 2015-09-30 13F Berkshire Hathaway B COM 084670702 163,581 6,250 3.97 21,331 -0.39 16.4611
2015-08-12 2015-06-30 13F Berkshire Hathaway B COM 084670702 157,331 -2,116 -1.33 21,414 -6.94 15.3537
2015-05-07 2015-03-31 13F Berkshire Hathaway B COM 084670702 159,447 -2,389 -1.48 23,011 -5.30 15.7892
2015-02-10 2014-12-31 13F Berkshire Hathaway B COM 084670702 161,836 -5,743 -3.43 24,300 4.97 16.5285
2014-11-06 2014-09-30 13F Berkshire Hathaway B COM 084670702 167,579 7,355 4.59 23,149 14.16 15.0857
2014-07-30 2014-06-30 13F Berkshire Hathaway B COM 084670702 160,224 4,130 2.65 20,278 3.95 13.3468
2014-04-29 2014-03-31 13F Berkshire Hathaway B COM 084670702 156,094 12,193 8.47 19,507 14.34 13.9613
2014-01-15 2013-12-31 13F Berkshire Hathaway B COM 084670702 143,901 143,901 17,061 13.3394
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.