Berkshire Hathaway Inc.
DE ˙ XTRA
410,90 € ↑5,35 (1,32%)
2026-06-03
DEL PRIS
SecurityDE:BRYN / Berkshire Hathaway Inc.
InstitutionAssociated Banc-corp
Latest Disclosed Ownership104,227 shares
Latest Disclosed Value $ 49,945,578
Associated Banc-corp reports 8.39% increase in ownership of BRYN / Berkshire Hathaway Inc.

On May 1, 2026 - Associated Banc-corp filed a 13F-HR form disclosing ownership of 104,227 shares of Berkshire Hathaway Inc. (DE:BRYN) valued at $43,144,767 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 96,162 shares of Berkshire Hathaway Inc.. This represents a change in shares of 8.39% during the quarter. The current value of the position is $42,826,874 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.

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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)
2026-05-01 2026-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 104,227 8,065 8.39 49,946 3.33 1.3224
2026-02-06 2025-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 96,162 6,595 7.36 48,336 7.34 1.2374
2025-10-24 2025-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 89,567 -157 -0.17 45,029 3.31 1.1851
2025-08-12 2025-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 89,724 -673 -0.74 43,585 -9.47 1.2354
2025-05-09 2025-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 90,397 -866 -0.95 48,144 16.38 1.4679
2025-02-10 2024-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 91,263 -3,320 -3.51 41,368 -4.97 1.2462
2024-11-13 2024-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 94,583 -156 -0.16 43,533 12.96 1.2797
2024-08-01 2024-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 94,739 1,867 2.01 38,540 -1.32 1.1986
2024-05-09 2024-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 92,872 547 0.59 39,055 18.60 1.2379
2024-02-09 2023-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 92,325 3,071 3.44 32,929 5.32 1.1440
2023-11-09 2023-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 89,254 2,433 2.80 31,266 5.61 1.2103
2023-08-07 2023-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 86,821 -595 -0.68 29,606 9.68 1.1189
2023-05-09 2023-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 87,416 932 1.08 26,991 1.04 1.0844
2023-02-10 2022-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 86,484 -738 -0.85 26,715 14.70 1.1117
2022-11-09 2022-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 87,222 148 0.17 23,290 -2.03 1.0762
2022-08-10 2022-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 87,074 -863 -0.98 23,773 -23.40 1.0408
2022-05-11 2022-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 87,937 -1,910 -2.13 31,034 15.52 1.1951
2022-02-10 2021-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 89,847 -807 -0.89 26,864 8.57 0.9850
2021-11-08 2021-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 90,654 -6,573 -6.76 24,743 -8.43 0.9778
2021-08-11 2021-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 97,227 -31,192 -24.29 27,022 15.09 1.0691
2021-05-05 2021-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 128,419 -10,021 -7.24 23,479 -26.86 1.4596
2021-02-11 2020-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 138,440 -11,361 -7.58 32,100 0.63 1.2527
2020-11-12 2020-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 149,801 -7,901 -5.01 31,899 13.31 1.3723
2020-08-14 2020-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 157,702 592 0.38 28,151 -2.00 1.2705
2020-05-14 2020-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 157,110 27,333 21.06 28,725 -2.28 1.5310
2020-02-12 2019-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 129,777 1,261 0.98 29,394 9.95 1.4641
2019-11-14 2019-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 128,516 1,561 1.23 26,734 -1.22 1.4375
2019-08-06 2019-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 126,955 2,069 1.66 27,063 7.87 1.4835
2019-05-07 2019-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 124,886 7,183 6.10 25,088 4.39 1.4460
2019-02-13 2018-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 117,703 -2,039 -1.70 24,033 -6.26 1.5667
2018-11-07 2018-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 119,742 187 0.16 25,638 14.89 1.4222
2018-08-07 2018-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 119,555 -3,978 -3.22 22,315 -9.44 1.3046
2018-05-07 2018-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 123,533 -7,725 -5.89 24,642 -5.29 1.4015
2018-02-07 2017-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 131,258 -2,782 -2.08 26,018 5.88 1.4034
2017-11-13 2017-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 134,040 1,071 0.81 24,572 9.11 1.3554
2017-08-10 2017-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 132,969 4,870 3.80 22,521 5.48 1.2775
2017-05-12 2017-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 128,099 -1,586 -1.22 21,351 1.02 1.2711
2017-02-10 2016-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 129,685 -1,418 -1.08 21,136 11.59 1.3192
2016-11-10 2016-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 131,103 2,731 2.13 18,940 1.90 1.2057
2016-08-11 2016-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 128,372 6,744 5.54 18,587 7.71 1.1937
2016-05-12 2016-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 121,628 10,763 9.71 17,257 17.88 1.1337
2016-02-12 2015-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 110,865 2,077 1.91 14,639 3.19 0.9660
2015-11-10 2015-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 108,788 288 0.27 14,186 -3.94 0.9896
2015-08-11 2015-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 108,500 -2,172 -1.96 14,768 -7.54 0.9469
2015-05-12 2015-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 110,672 -9,077 -7.58 15,973 -11.16 1.0079
2015-02-12 2014-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 119,749 -7,495 -5.89 17,980 2.29 1.1343
2014-11-05 2014-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 127,244 -13,772 -9.77 17,578 -1.51 1.1538
2014-08-13 2014-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 141,016 -2,564 -1.79 17,847 -0.54 1.1606
2014-05-13 2014-03-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 143,580 7,542 5.54 17,943 11.25 1.2373
2014-02-14 2013-12-31 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 136,038 13,922 11.40 16,128 16.36 1.1582
2013-11-14 2013-09-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 122,116 -6,745 -5.23 13,861 -3.89 1.1002
2013-08-13 2013-06-30 13F BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 128,861 128,861 14,422 1.1850
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.