Berkshire Hathaway Inc.
MX ˙ BMV
SecurityMX:BRKB / Berkshire Hathaway Inc.
InstitutionPerkins Coie Trust Co
Latest Disclosed Ownership572 shares
Latest Disclosed Value $ 274,101
Perkins Coie Trust Co reports 0.87% decrease in ownership of BRKB / Berkshire Hathaway Inc.

On April 15, 2026 - Perkins Coie Trust Co filed a 13F-HR form disclosing ownership of 572 shares of Berkshire Hathaway Inc. (MX:BRKB) valued at $274,101 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 12, 2026 disclosing 577 shares of Berkshire Hathaway Inc.. This represents a change in shares of -0.87% 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)
2026-04-15 2026-03-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 572 -5 -0.87 274 -5.52 0.0527
2026-01-12 2025-12-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 577 0 0.00 290 0.00 0.0540
2025-10-09 2025-09-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 577 -67 -10.40 290 -7.05 0.0546
2025-07-10 2025-06-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 644 0 0.00 313 -8.77 0.0533
2025-04-11 2025-03-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 644 100 18.38 343 39.02 0.0778
2025-01-16 2024-12-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 544 0 0.00 247 -1.60 0.0543
2024-10-08 2024-09-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 544 79 16.99 250 32.28 0.0555
2024-07-15 2024-06-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 465 0 0.00 189 -3.08 0.0440
2024-04-12 2024-03-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 465 -297 -38.98 196 -28.04 0.0458
2024-01-09 2023-12-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 762 -18 -2.31 272 -0.73 0.0686
2023-10-11 2023-09-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 780 42 5.69 273 8.76 0.0771
2023-07-14 2023-06-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 738 -40 -5.14 252 4.58 0.0715
2023-04-13 2023-03-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 778 40 5.42 240 5.73 0.0720
2023-01-18 2022-12-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 738 0 0.00 228 15.23 0.0729
2022-10-07 2022-09-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 738 0 0.00 197 -1.99 0.0755
2022-07-08 2022-06-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 738 -195 -20.90 201 -38.91 0.0732
2022-04-15 2022-03-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 933 68 7.86 329 27.03 0.1021
2022-01-13 2021-12-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 865 0 0.00 259 9.75 0.0759
2021-10-13 2021-09-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 865 -177 -16.99 236 -18.62 0.0738
2021-07-14 2021-06-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,042 -345 -24.87 290 -18.08 0.0893
2021-04-13 2021-03-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,387 -413 -22.94 354 -15.11 0.1180
2021-01-12 2020-12-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,800 -86 -4.56 417 3.73 0.1423
2020-10-13 2020-09-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,886 -924 -32.88 402 -19.92 0.1605
2020-07-13 2020-06-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 2,810 -158 -5.32 502 -7.55 0.2065
2020-04-10 2020-03-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 2,968 -33 -1.10 543 -20.15 0.2765
2020-01-09 2019-12-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 3,001 -1,260 -29.57 680 -23.25 0.2786
2019-10-11 2019-09-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 4,261 -30 -0.70 886 -3.17 0.3923
2019-07-10 2019-06-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 4,291 -140 -3.16 915 2.81 0.4157
2019-04-08 2019-03-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 4,431 140 3.26 890 1.60 0.4139
2019-01-15 2018-12-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 4,291 0 0.00 876 -4.68 0.4586
2018-10-12 2018-09-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 4,291 0 0.00 919 14.73 0.4266
2018-07-17 2018-06-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 4,291 0 0.00 801 -6.43 0.3959
2018-04-16 2018-03-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 4,291 300 7.52 856 8.22 0.4251
2018-01-12 2017-12-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 3,991 -80 -1.97 791 6.03 0.3950
2017-10-13 2017-09-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 4,071 0 0.00 746 8.12 0.3874
2017-07-10 2017-06-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 4,071 2,350 136.55 690 140.42 0.3713
2017-04-11 2017-03-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,721 0 0.00 287 2.50 0.1687
2017-01-10 2016-12-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,721 375 27.86 280 44.33 0.1699
2016-10-11 2016-09-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,346 0 0.00 194 -0.51 0.1230
2016-07-08 2016-06-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,346 0 0.00 195 2.09 0.1286
2016-04-15 2016-03-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,346 0 0.00 191 7.30 0.1300
2016-01-12 2015-12-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,346 0 0.00 178 1.14 0.1334
2015-10-14 2015-09-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,346 0 0.00 176 -3.83 0.1417
2015-07-09 2015-06-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,346 16 1.20 183 -4.69 0.1380
2015-04-09 2015-03-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,330 0 0.00 192 -4.00 0.1478
2015-01-07 2014-12-31 13F/A-1 BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,330 0 0.00 200 8.70 0.1595
2015-01-06 2014-12-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,330 184
2014-10-21 2014-09-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 1,330 355 36.41 184 49.59 0.1547
2014-07-18 2014-06-30 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 975 0 0.00 123 0.82 0.1149
2014-04-14 2014-03-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 975 350 56.00 122 64.86 0.1177
2014-02-10 2013-12-31 13F BERKSHIRE HATHAWAY CL B COMMON STOCK 084670702 625 625 74 0.0728
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.