Berkshire Hathaway Inc.
US ˙ NYSE ˙ US0846701086

SecurityBRK.A / Berkshire Hathaway Inc.
Institution1832 Asset Management L.P.
Latest Disclosed Ownership5 shares
Latest Disclosed Value $ 3,590,700
1832 Asset Management L.P. reports 16.67% decrease in ownership of BRK.A / Berkshire Hathaway Inc.

On May 14, 2026 - 1832 Asset Management L.P. filed a 13F-HR form disclosing ownership of 5 shares of Berkshire Hathaway Inc. (US:BRK.A) valued at $3,590,700 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 6 shares of Berkshire Hathaway Inc.. This represents a change in shares of -16.67% during the quarter. The current value of the position is $3,667,750 USD.

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.

Upgrade to unlock premium data and export to Excel .

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 A 084670108 5 -1 -16.67 3,591 -20.72 0.0033
2026-02-13 2025-12-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 6 2 50.00 4,529 50.13 0.0034
2025-11-14 2025-09-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 4 0 0.00 3,017 3.46 0.0024
2025-08-13 2025-06-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 4 0 0.00 2,915 -8.71 0.0023
2025-05-14 2025-03-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 4 0 0.00 3,194 17.26 0.0029
2025-02-14 2024-12-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 4 0 0.00 2,724 -1.48 0.0023
2024-11-13 2024-09-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 4 0 0.00 2,765 12.91 0.0021
2024-08-13 2024-06-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 4 -6 -60.00 2,449 -61.41 0.0020
2024-05-14 2024-03-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 10 0 0.00 6,344 16.92 0.0038
2024-02-13 2023-12-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 10 0 0.00 5,426 2.11 0.0078
2023-11-13 2023-09-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 10 0 0.00 5,315 2.63 0.0075
2023-08-14 2023-06-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 10 0 0.00 5,178 11.21 0.0101
2023-05-12 2023-03-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 10 0 0.00 4,656 -0.66 0.0096
2023-02-15 2022-12-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 10 0 0.00 4,687 15.30 0.0096
2022-11-14 2022-09-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 10 0 0.00 4,065 -0.61 0.0087
2022-08-15 2022-06-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 10 0 0.00 4,090 -21.60 0.0082
2022-05-16 2022-03-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 10 0 0.00 5,217 14.46 0.0085
2022-02-15 2021-12-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 10 -1 -9.09 4,558 -2.02 0.0081
2021-11-15 2021-09-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 11 0 0.00 4,652 1.04 0.0087
2021-08-20 2021-06-30 13F/A-1 BERKSHIRE HATHAWAY INC DEL CL A 084670108 11 0 0.00 4,604 8.82 0.0089
2021-08-16 2021-06-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 11 0 4,604 0.0089
2021-05-17 2021-03-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 11 -1 -8.33 4,231 1.10 0.0091
2021-02-16 2020-12-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 12 0 0.00 4,185 8.87 0.0098
2020-11-16 2020-09-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 12 0 0.00 3,844 20.09 0.0100
2020-08-14 2020-06-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 12 0 0.00 3,201 -2.59 0.0096
2020-05-26 2020-03-31 13F/A-1 BERKSHIRE HATHAWAY INC DEL CL A 084670108 12 0 0.00 3,286 -19.24 0.0118
2020-05-14 2020-03-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 12 0 3,286 24,845.5658
2020-02-14 2019-12-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 12 0 0.00 4,069 8.45 0.0124
2019-11-14 2019-09-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 12 10 500.00 3,752 489.94 0.0119
2019-08-14 2019-06-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 636 5.82 0.0021
2019-05-15 2019-03-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 601 -2.12 0.0020
2019-02-14 2018-12-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 614 -4.21 0.0024
2018-11-14 2018-09-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 641 5.95 0.0021
2018-08-14 2018-06-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 605 1.34 0.0020
2018-05-15 2018-03-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 597 0.67 0.0022
2018-02-14 2017-12-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 593 8.01 0.0019
2017-11-14 2017-09-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 549 7.65 0.0019
2017-08-14 2017-06-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 510 2.00 0.0023
2017-05-15 2017-03-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 500 2.25 0.0018
2017-04-01 2016-12-31 13F/A-1 BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 489 12.93 0.0015
2017-02-14 2016-12-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 489
2016-11-15 2016-09-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 433 -0.46 0.0016
2016-08-12 2016-06-30 13F/A-1 BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 435 2.11 0.0017
2016-08-12 2016-06-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 435 0.0010
2016-05-12 2016-03-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 426 7.58 0.0010
2016-02-12 2015-12-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 396 1.02 0.0017
2015-11-12 2015-09-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 392 -4.16 0.0016
2015-08-13 2015-06-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 409 -5.98 0.0014
2015-05-13 2015-03-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 435 -3.76 0.0016
2015-02-12 2014-12-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 452 9.18 0.0014
2014-11-12 2014-09-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 414 9.23 0.0014
2014-08-13 2014-06-30 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 0 0.00 379 1.07 0.0012
2014-05-14 2014-03-31 13F BERKSHIRE HATHAWAY INC DEL CL A 084670108 2 2 375 0.0013
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.