Berkshire Hathaway Inc.
MX ˙ BMV
SecurityMX:BRKB / Berkshire Hathaway Inc.
InstitutionAspiriant, Llc
Latest Disclosed Ownership74,018 shares
Latest Disclosed Value $ 35,469,426
Aspiriant, Llc ownership in BRKB / Berkshire Hathaway Inc.

On May 12, 2026 - Aspiriant, Llc filed a 13F-HR form disclosing ownership of 74,018 shares of Berkshire Hathaway Inc. (MX:BRKB) valued at $35,469,426 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 20, 2026 disclosing 5 shares of Berkshire Hathaway Inc.. This represents a change in shares of 7.71% during the quarter.

Aspiriant, Llc has a history of taking positions in derivatives of the underlying security (BRKB) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:BRKB / Berkshire Hathaway Inc. Historical Put/Call Ratio
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)
2026-05-12 2026-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 74,018 5,301 7.71 35,469 2.69 1.0102
2026-01-20 2025-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 68,717 7,316 11.92 34,541 11.90 0.9924
2025-10-24 2025-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 61,401 -1,381 -2.20 30,869 1.22 0.9440
2025-07-29 2025-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 62,782 -1,517 -2.36 30,498 -10.94 0.9693
2025-04-21 2025-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 64,299 -1,177 -1.80 34,244 15.39 1.1887
2025-01-16 2024-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 65,476 598 0.92 29,679 -0.61 1.0716
2024-10-17 2024-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 64,878 -1,653 -2.48 29,861 10.33 1.1332
2024-07-15 2024-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 66,531 -2,760 -3.98 27,065 -7.12 1.1032
2024-04-15 2024-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 69,291 -125 -0.18 29,138 17.70 1.2060
2024-01-26 2023-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 69,416 670 0.97 24,758 2.81 1.1149
2023-10-18 2023-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 68,746 -172 -0.25 24,082 2.47 1.2322
2023-07-19 2023-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 68,918 -824 -1.18 23,501 9.13 1.1879
2023-04-27 2023-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 69,742 1,526 2.24 21,534 2.20 1.1274
2023-01-23 2022-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 68,216 390 0.58 21,072 16.34 1.0740
2022-10-28 2022-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 67,826 -684 -1.00 18,111 -3.22 0.8860
2022-07-25 2022-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 68,510 276 0.40 18,713 -22.29 0.9031
2022-05-06 2022-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 68,234 -553 -0.80 24,080 17.11 1.3239
2022-02-14 2021-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 68,787 2,114 3.17 20,562 12.95 1.0991
2021-10-27 2021-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 66,673 -929 -1.37 18,205 -3.11 1.0693
2021-08-13 2021-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 67,602 -1,183 -1.72 18,789 6.91 1.0623
2021-05-11 2021-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 68,785 -1,974 -2.79 17,574 7.06 1.1229
2021-02-01 2020-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 70,759 -4,505 -5.99 16,415 2.43 1.1200
2020-10-29 2020-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 75,264 2,138 2.92 16,026 22.77 1.2531
2020-08-06 2020-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 73,126 -2,073 -2.76 13,054 -5.05 1.2122
2020-05-05 2020-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 75,199 -8,194 -9.83 13,748 -27.21 1.3539
2020-01-27 2019-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 83,393 -1,424 -1.68 18,887 7.08 1.7480
2019-11-04 2019-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 84,817 -1,482 -1.72 17,639 -4.14 1.5802
2019-08-06 2019-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 86,299 -987 -1.13 18,400 5.00 1.5352
2019-08-06 2019-03-31 13F/A-1 BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 87,286 -8,256 -8.64 17,524 -10.11 1.4315
2019-05-03 2019-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 87,286 -8,256 17,524
2019-02-04 2018-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 95,542 -1,813 -1.86 19,494 -6.45 1.4781
2018-10-26 2018-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 97,355 -3,736 -3.70 20,837 10.43 1.7814
2018-08-07 2018-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 101,091 -3,276 -3.14 18,869 -9.37 1.6157
2018-05-04 2018-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 104,367 39,956 62.03 20,819 63.06 1.8161
2018-01-31 2017-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 64,411 -50,170 -43.79 12,768 -39.21 3.7481
2017-11-13 2017-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 114,581 -8,832 -7.16 21,005 0.49 1.7606
2017-08-03 2017-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 123,413 -2,141 -1.71 20,902 -0.12 1.8180
2017-05-12 2017-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 125,554 -7,999 -5.99 20,927 -3.85 1.7821
2017-02-10 2016-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 133,553 -14,170 -9.59 21,766 1.99 1.9709
2016-11-10 2016-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 147,723 -31,498 -17.57 21,342 -17.01 2.1242
2016-08-09 2016-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 179,221 -15,106 -7.77 25,715 -6.73 2.4294
2016-05-12 2016-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 194,327 10,750 5.86 27,571 13.74 2.6309
2016-02-08 2015-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 183,577 -30,318 -14.17 24,240 -13.09 2.6645
2015-11-09 2015-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 213,895 -24,428 -10.25 27,892 -14.01 2.3184
2015-08-06 2015-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 238,323 -29,931 -11.16 32,438 -16.21 3.1648
2015-05-08 2015-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 268,254 -21,453 -7.41 38,714 -11.00 5.0216
2015-02-13 2014-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 289,707 -57,084 -16.46 43,500 -9.20 5.8181
2014-11-12 2014-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 346,791 -35,998 -9.40 47,906 -1.11 6.6900
2014-08-12 2014-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 382,789 -7,741 -1.98 48,446 -0.74 6.6746
2014-05-07 2014-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 390,530 -7,740 -1.94 48,805 3.36 7.0720
2014-02-11 2013-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 398,270 -8,776 -2.16 47,219 2.20 7.3572
2013-11-08 2013-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 407,046 -3,863 -0.94 46,204 0.47 8.2737
2013-08-06 2013-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 410,909 410,909 45,989 7.2209
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2025-10-24 2025-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW Call 0 -100.00 0 -100.00 n/a n/a n/a
2025-07-29 2025-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW Call 1,500 729 n/a n/a n/a
2025-04-21 2025-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW Call 0 -100.00 0 -100.00 n/a n/a n/a
2025-01-16 2024-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW Call 1,000 0.00 453 -1.52 n/a n/a n/a
2024-10-17 2024-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW Call 1,000 -50.00 460 -43.42 n/a n/a n/a
2024-07-15 2024-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW Call 2,000 100.00 814 93.57 n/a n/a n/a
2024-04-15 2024-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW Call 1,000 0.00 421 17.98 n/a n/a n/a
2024-01-26 2023-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW Call 1,000 357 n/a n/a n/a
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.