Berkshire Hathaway Inc.
MX ˙ BMV
SecurityMX:BRKB / Berkshire Hathaway Inc.
InstitutionMarquette Asset Management, LLC
Latest Disclosed Ownership3,016 shares
Latest Disclosed Value $ 1,445,268
Marquette Asset Management, LLC reports 22.25% increase in ownership of BRKB / Berkshire Hathaway Inc.

On April 23, 2026 - Marquette Asset Management, LLC filed a 13F-HR form disclosing ownership of 3,016 shares of Berkshire Hathaway Inc. (MX:BRKB) valued at $1,445,268 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on August 20, 2014 disclosing 0 shares of Berkshire Hathaway Inc.. This represents a change in shares of 22.25% 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)
2026-04-23 2026-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 3,016 549 22.25 1,445 16.53 0.2145
2026-01-16 2025-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,467 12 0.49 1,240 0.49 0.1831
2025-10-24 2025-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,455 760 44.84 1,234 49.94 0.1889
2025-07-15 2025-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,695 0 0.00 823 -8.76 0.1380
2025-04-09 2025-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,695 0 0.00 903 17.45 0.1591
2025-01-14 2024-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,695 -458 -21.27 768 -22.42 0.1254
2024-10-08 2024-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,153 -200 -8.50 991 3.45 0.1571
2024-08-14 2024-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,353 -100 -4.08 957 -7.18 0.1627
2024-05-06 2024-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,453 203 9.02 1,032 28.55 0.1789
2024-02-02 2023-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,250 -394 -14.90 802 -13.39 0.1479
2023-10-27 2023-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,644 0 0.00 926 2.77 0.2197
2023-07-28 2023-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,644 0 0.00 902 10.42 0.2237
2023-05-01 2023-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,644 0 0.00 816 0.00 0.2169
2023-01-12 2022-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,644 0 0.00 817 15.58 0.2415
2022-10-06 2022-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,644 0 0.00 706 -2.22 0.2207
2022-07-15 2022-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,644 0 0.00 722 -22.62 0.2053
2022-04-26 2022-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,644 0 0.00 933 17.95 0.2168
2022-01-19 2021-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,644 0 0.00 791 9.56 0.1658
2021-10-29 2021-09-30 13F/A-1 BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,644 0 0.00 722 -1.77 0.1623
2021-10-12 2021-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,644 0 722 0.1620
2021-07-19 2021-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,644 0 0.00 735 8.89 0.1618
2021-04-23 2021-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,644 -302 -10.25 675 -1.17 0.1631
2021-01-15 2020-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,946 0 0.00 683 8.93 0.1574
2020-10-27 2020-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,946 0 0.00 627 19.20 0.1747
2020-07-21 2020-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,946 2,946 526 0.1715
2020-04-08 2020-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 0 -2,444 -100.00 0 -100.00
2020-01-28 2019-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,444 0 0.00 554 9.06 0.1813
2019-10-22 2019-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,444 0 0.00 508 -2.50 0.1700
2019-07-23 2019-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,444 0 0.00 521 6.11 0.1760
2019-05-13 2019-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 2,444 170 7.48 491 5.82 0.1648
2019-01-16 2018-12-31 13F Berkshire Hathaway Cl B Common Stock 084670702 2,274 -25 -1.09 464 -5.69 0.1786
2018-11-20 2018-09-30 13F Berkshire Hathaway Cl B Common Stock 084670702 2,299 949 70.30 492 95.24 0.1545
2018-07-24 2018-06-30 13F Berkshire Hathaway Cl B Common Stock 084670702 1,350 0 0.00 252 -6.32 0.0844
2018-04-18 2018-03-31 13F Berkshire Hathaway Cl B Common Stock 084670702 1,350 -90 -6.25 269 -5.61 0.0978
2018-01-10 2017-12-31 13F Berkshire Hathaway Cl B Common Stock 084670702 1,440 -60 -4.00 285 3.64 0.1055
2017-10-10 2017-09-30 13F Berkshire Hathaway Cl B Common Stock 084670702 1,500 -40 -2.60 275 5.36 0.1055
2017-07-25 2017-06-30 13F Berkshire Hathaway Cl B Common Stock 084670702 1,540 0 0.00 261 1.56 0.1087
2017-04-18 2017-03-31 13F Berkshire Hathaway Cl B Common Stock 084670702 1,540 -340 -18.09 257 -16.01 0.1046
2017-01-17 2016-12-31 13F Berkshire Hathaway Cl B Common Stock 084670702 1,880 -20 -1.05 306 11.68 0.1319
2016-10-26 2016-09-30 13F Berkshire Hathaway Cl B Common Stock 084670702 1,900 -45 -2.31 274 -2.84 0.1202
2016-07-13 2016-06-30 13F Berkshire Hathaway Cl B Common Stock 084670702 1,945 45 2.37 282 4.44 0.1225
2016-04-13 2016-03-31 13F Berkshire Hathaway Cl B Common Stock 084670702 1,900 -300 -13.64 270 -6.90 0.1198
2016-01-21 2015-12-31 13F Berkshire Hathaway Cl B Common Stock 084670702 2,200 0 0.00 290 1.05 0.1181
2015-10-28 2015-09-30 13F Berkshire Hathaway Cl B Common Stock 084670702 2,200 -101 -4.39 287 -8.31 0.1282
2015-07-23 2015-06-30 13F Berkshire Hathaway Cl B Common Stock 084670702 2,301 0 0.00 313 -5.72 0.1274
2015-04-23 2015-03-31 13F Berkshire Hathaway Cl B Common Stock 084670702 2,301 -299 -11.50 332 -14.87 0.1323
2015-01-14 2014-12-31 13F Berkshire Hathaway Cl B Common Stock 084670702 2,600 0 0.00 390 8.64 0.1577
2014-10-30 2014-09-30 13F Berkshire Hathaway Cl B Common Stock 084670702 2,600 0 0.00 359 9.12 0.1524
2014-08-20 2014-06-30 13F/A-1 Berkshire Hathaway Cl B Common Stock 084670702 2,600 0 0.00 329 1.23 0.1337
2014-07-29 2014-06-30 13F Berkshire Hathaway Cl B Common Stock 084670702 2,600 329
2014-08-20 2014-03-31 13F/A-1 Berkshire Hathaway Cl B Common Stock 084670702 2,600 0 0.00 325 5.52 0.1365
2014-04-30 2014-03-31 13F Berkshire Hathaway Cl B Common Stock 084670702 2,600 325
2014-08-20 2013-12-31 13F/A-1 Berkshire Hathaway Cl B Common Stock 084670702 2,600 0 0.00 308 4.41 0.1287
2014-02-05 2013-12-31 13F Berkshire Hathaway Cl B Common Stock 084670702 2,600 308
2014-08-20 2013-09-30 13F/A-1 Berkshire Hathaway Cl B Common Stock 084670702 2,600 -500 -16.13 295 -14.99 0.1343
2013-11-07 2013-09-30 13F Berkshire Hathaway Cl B Common Stock 084670702 2,600 295
2014-08-20 2013-06-30 13F/A-1 Berkshire Hathaway Cl B Common Stock 084670702 3,100 3,100 347 0.1690
2013-07-25 2013-06-30 13F Berkshire Hathaway Cl B Common Stock 084670702 3,270 366
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.