Berkshire Hathaway Inc.
MX ˙ BMV
SecurityMX:BRKB / Berkshire Hathaway Inc.
InstitutionAlphaCore Capital LLC
Latest Disclosed Ownership38,453 shares
Latest Disclosed Value $ 18,426,728
AlphaCore Capital LLC reports 1.53% increase in ownership of BRKB / Berkshire Hathaway Inc.

On May 15, 2026 - AlphaCore Capital LLC filed a 13F-HR form disclosing ownership of 38,453 shares of Berkshire Hathaway Inc. (MX:BRKB) valued at $18,426,728 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 37,873 shares of Berkshire Hathaway Inc.. This represents a change in shares of 1.53% 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)
2026-05-15 2026-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 38,453 580 1.53 18,427 -3.20 0.4369
2026-02-05 2025-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 37,873 775 2.09 19,037 2.07 0.4247
2025-11-12 2025-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 37,098 4,474 13.71 18,650 17.69 0.6274
2025-08-12 2025-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 32,624 1,153 3.66 15,848 -5.45 0.6028
2025-05-12 2025-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 31,471 -204 -0.64 16,761 16.74 1.4247
2025-02-21 2024-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 31,675 10,271 47.99 14,358 45.74 3.1031
2024-11-12 2024-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 21,404 667 3.22 9,851 16.79 2.2238
2024-08-14 2024-06-30 13F/A-1 BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 20,737 2,510 13.77 8,436 10.06 2.0376
2024-08-12 2024-06-30 13F BERKSHIRE HATHAWAY INC DEL BERKSHIRE HATHAWAY INC DEL 084670702 20,737 2,510 8,436 2.0376
2024-05-15 2024-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 18,227 384 2.15 7,665 20.45 2.0405
2024-02-13 2023-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 17,843 326 1.86 6,364 3.70 0.9297
2023-11-13 2023-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 17,517 -68 -0.39 6,136 2.33 0.9682
2023-08-10 2023-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 17,585 15,117 612.52 5,996 686.88 0.9611
2023-05-12 2023-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,468 387 18.60 762 18.69 0.2018
2023-02-14 2022-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,081 46 2.26 643 18.23 0.2495
2022-11-10 2022-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,035 459 29.12 543 26.28 0.2470
2022-08-12 2022-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,576 -528 -25.10 430 -42.13 0.1996
2022-05-04 2022-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,104 -134 -5.99 743 11.06 0.2884
2022-02-14 2021-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,238 1,529 215.66 669 244.85 0.2916
2021-11-12 2021-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 709 0 0.00 194 -1.52 0.0983
2021-08-06 2021-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 709 709 197 0.1052
2021-05-10 2021-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 0 -684 -100.00 0 -100.00
2021-02-10 2020-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 684 0 0.00 159 8.90 0.1185
2020-11-05 2020-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 684 0 0.00 146 19.67 0.1323
2020-08-14 2020-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 684 -638 -48.26 122 -49.59 0.1216
2020-05-04 2020-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,322 49 3.85 242 -15.97 0.1903
2020-01-24 2019-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,273 1,273 288 0.1746
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.