Berkshire Hathaway Inc.
MX ˙ BMV
SecurityMX:BRKB / Berkshire Hathaway Inc.
InstitutionWe Are One Seven, LLC
Latest Disclosed Ownership41,704 shares
Latest Disclosed Value $ 19,984,930
We Are One Seven, LLC reports 1.34% decrease in ownership of BRKB / Berkshire Hathaway Inc.

On May 14, 2026 - We Are One Seven, LLC filed a 13F-HR form disclosing ownership of 41,704 shares of Berkshire Hathaway Inc. (MX:BRKB) valued at $19,984,930 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 3, 2026 disclosing 42,270 shares of Berkshire Hathaway Inc.. This represents a change in shares of -1.34% 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)
2026-05-14 2026-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 41,704 -566 -1.34 19,985 -5.94 0.4015
2026-02-03 2025-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 42,270 5,438 14.76 21,247 14.74 0.4334
2025-10-24 2025-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 36,832 5,426 17.28 18,517 21.38 0.4276
2025-07-25 2025-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 31,406 4,092 14.98 15,256 4.88 0.4906
2025-05-08 2025-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 27,314 142 0.52 14,547 18.11 0.5643
2025-02-14 2024-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 27,172 2,062 8.21 12,317 6.57 0.4708
2024-10-15 2024-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 25,110 -574 -2.23 11,557 10.61 0.4994
2024-08-07 2024-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 25,684 967 3.91 10,448 0.53 0.4954
2024-05-14 2024-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 24,717 -2,640 -9.65 10,394 6.52 0.5401
2024-02-14 2023-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 27,357 562 2.10 9,757 3.95 0.5595
2023-11-03 2023-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 26,795 489 1.86 9,386 4.64 0.7218
2023-08-11 2023-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 26,306 110 0.42 8,970 10.91 0.8212
2023-05-08 2023-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 26,196 827 3.26 8,089 3.22 0.5138
2023-01-25 2022-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 25,369 -226 -0.88 7,836 -40.70 0.7840
2022-11-14 2022-09-30 13F Berkshire Hathaway Inc Class B CL B NEW 084670702 25,595 2,747 12.02 13,214 111.83 0.5120
2022-08-10 2022-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 22,848 -583 -2.49 6,238 -24.56 0.8603
2022-05-13 2022-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 23,431 -164 -0.70 8,269 17.21 0.8887
2022-02-09 2021-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 23,595 1,054 4.68 7,055 9.06 0.7317
2021-11-09 2021-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 22,541 287 1.29 6,469 4.59 0.8207
2021-07-29 2021-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 22,254 884 4.14 6,185 13.30 0.8644
2021-04-29 2021-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 21,370 193 0.91 5,459 11.18 0.9373
2021-01-22 2020-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 21,177 299 1.43 4,910 10.44 1.0117
2020-10-30 2020-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 20,878 -798 -3.68 4,446 14.91 1.0564
2020-08-12 2020-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 21,676 1,532 7.61 3,869 5.08 1.0055
2020-04-17 2020-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 20,144 75 0.37 3,682 -18.99 1.2506
2020-01-16 2019-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 20,069 -250 -1.23 4,545 7.52 1.1876
2019-10-10 2019-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 20,319 474 2.39 4,227 -0.07 1.2148
2019-07-16 2019-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 19,845 1,541 8.42 4,230 15.04 1.3650
2019-04-09 2019-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 18,304 3,277 21.81 3,677 19.89 1.1983
2019-01-24 2018-12-31 13F BERKSHIRE HATHAWAY INCORPORATED DEL CLASS B CL B NEW 084670702 15,027 2,456 19.54 3,067 13.97 1.3148
2018-10-09 2018-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B CL B NEW 084670702 12,571 3,853 44.20 2,691 54.74 1.2587
2018-05-15 2018-03-31 13F BERKSHIRE HATHAWAY INC DEL COM CL B Total COM CL B 084670702 8,718 -2,376 -21.42 1,739 -20.92 0.8011
2018-02-16 2017-12-31 13F BERKSHIRE HATHAWAY INC DEL COM CL B COM CL B 084670702 11,094 11,094 2,199 1.0169
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.