Berkshire Hathaway Inc.
MX ˙ BMV
SecurityMX:BRKB / Berkshire Hathaway Inc.
InstitutionNoesis Capital Mangement Corp
Latest Disclosed Ownership2,975 shares
Latest Disclosed Value $ 1,425,620
Noesis Capital Mangement Corp reports 1.06% decrease in ownership of BRKB / Berkshire Hathaway Inc.

On May 5, 2026 - Noesis Capital Mangement Corp filed a 13F-HR form disclosing ownership of 2,975 shares of Berkshire Hathaway Inc. (MX:BRKB) valued at $1,425,620 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 3,007 shares of Berkshire Hathaway Inc.. This represents a change in shares of -1.06% 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)
2026-05-05 2026-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,975 -32 -1.06 1,426 -5.69 0.2108
2026-02-05 2025-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 3,007 -40 -1.31 1,511 -1.31 0.2192
2025-10-23 2025-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 3,047 -333 -9.85 1,532 -6.70 0.2378
2025-08-04 2025-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 3,380 -45 -1.31 1,642 -10.03 0.2851
2025-05-07 2025-03-31 13F/A-1 BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 3,425 214 6.66 1,824 25.36 0.3628
2025-05-06 2025-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 3,425 214 1,824 0.3628
2025-02-05 2024-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 3,211 6 0.19 1,455 -1.36 0.2777
2024-11-14 2024-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 3,205 794 32.93 1,475 50.51 0.2928
2024-08-05 2024-06-30 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 2,411 619 34.54 981 30.15 0.2175
2024-05-03 2024-03-31 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 1,792 0 0.00 754 17.84 0.1674
2024-02-06 2023-12-31 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 1,792 -22 -1.21 639 0.63 0.1507
2023-11-03 2023-09-30 13F/A-1 Berkshire Hathaway Cl B COMMON STOCKS 084670702 1,814 350 23.91 635 27.25 0.1666
2023-11-03 2023-09-30 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 1,814 350 635 0.1666
2023-07-31 2023-06-30 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 1,464 9 0.62 499 11.14 0.1229
2023-05-08 2023-03-31 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 1,455 -18 -1.22 449 -1.32 0.1137
2023-02-02 2022-12-31 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 1,473 -726 -33.02 455 -22.49 0.1293
2022-11-01 2022-09-30 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 2,199 40 1.85 587 -0.34 0.1779
2022-07-29 2022-06-30 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 2,159 -100 -4.43 589 -26.10 0.1747
2022-05-05 2022-03-31 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 2,259 -27 -1.18 797 16.52 0.1917
2022-02-03 2021-12-31 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 2,286 -1,373 -37.52 684 -31.53 0.1378
2021-11-04 2021-09-30 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 3,659 66 1.84 999 0.10 0.1951
2021-08-05 2021-06-30 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 3,593 -70 -1.91 998 6.62 0.2040
2021-05-06 2021-03-31 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 3,663 -243 -6.22 936 3.31 0.2102
2021-02-04 2020-12-31 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 3,906 1,475 60.67 906 74.90 0.2238
2020-11-05 2020-09-30 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 2,431 0 0.00 518 19.35 0.1467
2020-08-07 2020-06-30 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 2,431 -725 -22.97 434 -24.78 0.1372
2020-05-06 2020-03-31 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 3,156 0 0.00 577 -19.30 0.2123
2020-02-07 2019-12-31 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 3,156 3,156 715 0.1992
2019-11-05 2019-09-30 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 0 -2,550 -100.00 0 -100.00
2019-08-06 2019-06-30 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 2,550 -50 -1.92 544 4.21 0.1854
2019-05-09 2019-03-31 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 2,600 0 0.00 522 -1.69 0.1888
2019-02-08 2018-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,600 0 0.00 531 -4.67 0.2155
2018-11-15 2018-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,600 -50 -1.89 557 12.53 0.1952
2018-08-13 2018-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,650 0 0.00 495 -6.43 0.1816
2018-05-07 2018-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,650 200 8.16 529 8.85 0.1961
2018-02-21 2017-12-31 13F/A-1 BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,450 0 0.00 486 8.24 0.1749
2018-02-14 2017-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,450 0 486
2017-11-07 2017-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,450 0 0.00 449 8.19 0.1685
2017-08-10 2017-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,450 -184 -6.99 415 -5.47 0.1590
2017-05-10 2017-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,634 0 0.00 439 2.33 0.1673
2017-02-08 2016-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,634 0 0.00 429 12.60 0.1791
2016-11-03 2016-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,634 84 3.29 381 3.25 0.1640
2016-08-04 2016-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,550 -100 -3.77 369 -1.86 0.1642
2016-05-04 2016-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,650 150 6.00 376 13.94 0.1712
2016-02-08 2015-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,500 -11 -0.44 330 0.92 0.1568
2015-11-12 2015-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,511 -100 -3.83 327 -7.89 0.1730
2015-08-06 2015-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,611 -1,125 -30.11 355 -34.14 0.1530
2015-05-06 2015-03-31 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 3,736 -400 -9.67 539 -13.20 0.2231
2015-02-10 2014-12-31 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 4,136 0 0.00 621 8.76 0.2603
2014-11-04 2014-09-30 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 4,136 11 0.27 571 9.39 0.2484
2014-07-31 2014-06-30 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 4,125 -50 -1.20 522 0.00 0.2356
2014-04-30 2014-03-31 13F Berkshire Hathaway Cl B COMMON STOCKS 084670702 4,175 -200 -4.57 522 0.58 0.2564
2014-02-10 2013-12-31 13F Berkshire Hathaway Cl B COM 084670702 4,375 -150 -3.31 519 0.2557
2013-11-06 2013-09-30 13F Berkshire Hathaway Class B COM 084670702 4,525 0 0.00 1 0.2710
2013-08-06 2013-06-30 13F Berkshire Hathaway Class B COM 084670702 4,525 4,525 1 0.2702
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.