Berkshire Hathaway Inc.
MX ˙ BMV
SecurityMX:BRKB / Berkshire Hathaway Inc.
InstitutionNorthern Oak Wealth Management Inc
Latest Disclosed Ownership966 shares
Latest Disclosed Value $ 462,908
Northern Oak Wealth Management Inc ownership in BRKB / Berkshire Hathaway Inc.

On May 14, 2026 - Northern Oak Wealth Management Inc filed a 13F-HR form disclosing ownership of 966 shares of Berkshire Hathaway Inc. (MX:BRKB) valued at $462,908 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 29, 2026 disclosing 1 shares of Berkshire Hathaway Inc.. This represents a change in shares of 0.00% 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 966 0 0.00 463 -4.74 0.0578
2026-01-29 2025-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 966 6 0.62 486 0.62 0.0609
2025-10-31 2025-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 960 0 0.00 483 3.43 0.0592
2025-07-16 2025-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 960 0 0.00 466 -8.81 0.0590
2025-05-09 2025-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 960 200 26.32 511 48.55 0.0658
2025-01-21 2024-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 760 12 1.60 344 0.00 0.0436
2024-10-30 2024-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 748 -50 -6.27 344 6.17 0.0401
2024-07-26 2024-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 798 0 0.00 325 -3.28 0.0391
2024-05-01 2024-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 798 -645 -44.70 336 -34.82 0.0399
2024-01-11 2023-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,443 0 0.00 515 1.78 0.0615
2023-10-24 2023-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,443 -50 -3.35 505 -0.79 0.0628
2023-07-31 2023-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,493 0 0.00 509 10.65 0.0606
2023-05-09 2023-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,493 63 4.41 461 4.31 0.0552
2023-02-13 2022-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,430 0 0.00 442 15.45 0.0631
2022-11-14 2022-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,430 100 7.52 382 5.23 0.0572
2022-08-16 2022-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,330 -20 -1.48 363 -23.74 0.0511
2022-05-24 2022-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,350 -59 -4.19 476 13.06 0.0583
2022-02-16 2021-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,409 -62 -4.21 421 4.99 0.0476
2021-11-15 2021-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,471 38 2.65 401 0.75 0.0489
2021-08-17 2021-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,433 0 0.00 398 8.74 0.0481
2021-05-14 2021-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,433 80 5.91 366 16.56 0.0474
2021-02-16 2020-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,353 -131 -8.83 314 -0.63 0.0419
2020-11-16 2020-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,484 639 75.62 316 109.27 0.0461
2020-08-17 2020-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 845 0 0.00 151 -1.95 0.0239
2020-05-15 2020-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 845 0 0.00 154 -19.37 0.0293
2020-01-27 2019-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 845 -105 -11.05 191 -3.54 0.0293
2019-10-31 2019-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 950 -300 -24.00 198 -25.56 0.0287
2019-07-30 2019-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,250 -250 -16.67 266 -11.63 0.0401
2019-04-24 2019-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,500 100 7.14 301 5.24 0.0458
2019-02-14 2018-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,400 0 0.00 286 -4.67 0.0479
2018-11-15 2018-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,400 -730 -34.27 300 -24.62 0.0438
2018-08-13 2018-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,130 -29 -1.34 398 -7.66 0.0623
2018-05-11 2018-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,159 -223 -9.36 431 -8.69 0.0736
2018-02-16 2017-12-31 13F BERKSHIRE HATHAWAY INC D CL B NEW 084670702 2,382 -25 -1.04 472 7.03 0.0743
2017-11-15 2017-09-30 13F Berkshire Hathaway COM 084670702 2,407 -175 -6.78 441 0.92 0.0823
2017-08-14 2017-06-30 13F Berkshire Hathaway COM 084670702 2,582 215 9.08 437 10.63 0.0824
2017-05-17 2017-03-31 13F Berkshire Hathaway COM 084670702 2,367 554 30.56 395 33.90 0.0758
2017-02-15 2016-12-31 13F Berkshire Hathaway COM 084670702 1,813 338 22.92 295 38.50 0.0595
2016-11-15 2016-09-30 13F Berkshire Hathaway COM 084670702 1,475 -140 -8.67 213 -8.97 0.0462
2016-08-15 2016-06-30 13F Berkshire Hathaway COM 084670702 1,615 -270 -14.32 234 -12.36 0.0508
2016-05-03 2016-03-31 13F Berkshire Hathaway COM 084670702 1,885 308 19.53 267 28.37 0.0610
2016-02-11 2015-12-31 13F Berkshire Hathaway COM 084670702 1,577 0 0.00 208 0.97 0.0489
2015-11-10 2015-09-30 13F Berkshire Hathaway COM 084670702 1,577 0 0.00 206 -4.19 0.0511
2015-08-12 2015-06-30 13F Berkshire Hathaway COM 084670702 1,577 0 0.00 215 -5.70 0.0588
2015-05-04 2015-03-31 13F Berkshire Hathaway COM 084670702 1,577 1,577 228 0.0619
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.