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HENNESSY ADVISORS INC
> BRK/B
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | BERKSHIRE HATHAWAY INC | BRK/B | 5,000 | -3,000 | 1,705,000,000 | 1,702,864,000 | $341,000.00 |
| 09/30/2022 | BERKSHIRE HATHAWAY INC | BRK/B | 8,000 | -800 | 2,136,000 | -267,000 | $267.00 |
| 06/30/2022 | BERKSHIRE HATHAWAY INC | BRK/B | 8,800 | -1,200 | 2,403,000 | -1,126,000 | $273.07 |
| 03/31/2022 | BERKSHIRE HATHAWAY INC | BRK/B | 10,000 | 10,000 | 3,529,000 | 3,529,000 | $352.90 |
| 03/31/2021 | BERKSHIRE HATHAWAY INC | BRK/B | 0 | -4,000 | 0 | -927,000 | |
| 12/31/2020 | BERKSHIRE HATHAWAY INC | BRK/B | 4,000 | -2,000 | 927,000 | -351,000 | $231.75 |
| 09/30/2020 | BERKSHIRE HATHAWAY INC | BRK/B | 6,000 | -1,000 | 1,278,000 | 28,000 | $213.00 |
| 06/30/2020 | BERKSHIRE HATHAWAY INC | BRK/B | 7,000 | -2,500 | 1,250,000 | -487,000 | $178.57 |
| 03/31/2020 | BERKSHIRE HATHAWAY INC | BRK/B | 9,500 | -2,500 | 1,737,000 | -981,000 | $182.84 |
| 12/31/2019 | BERKSHIRE HATHAWAY INC | BRK/B | 12,000 | 0 | 2,718,000 | 222,000 | $226.50 |
| 09/30/2019 | BERKSHIRE HATHAWAY INC | BRK/B | 12,000 | 2,000 | 2,496,000 | 364,000 | $208.00 |
| 06/30/2019 | BERKSHIRE HATHAWAY INC | BRK/B | 10,000 | 0 | 2,132,000 | 123,000 | $213.20 |
| 03/31/2019 | BERKSHIRE HATHAWAY INC | BRK/B | 10,000 | -500 | 2,009,000 | -135,000 | $200.90 |
| 12/31/2018 | BERKSHIRE HATHAWAY INC | BRK/B | 10,500 | -2,000 | 2,144,000 | -532,000 | $204.19 |
| 09/30/2018 | BERKSHIRE HATHAWAY INC | BRK/B | 12,500 | 0 | 2,676,000 | 343,000 | $214.08 |
| 06/30/2018 | BERKSHIRE HATHAWAY INC | BRK/B | 12,500 | 500 | 2,333,000 | -61,000 | $186.64 |
| 03/31/2018 | BERKSHIRE HATHAWAY INC | BRK/B | 12,000 | 3,000 | 2,394,000 | 610,000 | $199.50 |
| 12/31/2017 | BERKSHIRE HATHAWAY INC | BRK/B | 9,000 | 0 | 1,784,000 | 134,000 | $198.22 |
| 09/30/2017 | BERKSHIRE HATHAWAY INC | BRK/B | 9,000 | 0 | 1,650,000 | 126,000 | $183.33 |
| 06/30/2017 | BERKSHIRE HATHAWAY INC | BRK/B | 9,000 | 0 | 1,524,000 | 24,000 | $169.33 |
| 03/31/2017 | BERKSHIRE HATHAWAY INC | BRK/B | 9,000 | 0 | 1,500,000 | 33,000 | $166.67 |
| 12/31/2016 | BERKSHIRE HATHAWAY INC | BRK/B | 9,000 | -1,000 | 1,467,000 | 22,000 | $163.00 |
| 09/30/2016 | BERKSHIRE HATHAWAY INC | BRK/B | 10,000 | -7,500 | 1,445,000 | -1,089,000 | $144.50 |
| 06/30/2016 | BERKSHIRE HATHAWAY INC | BRK/B | 17,500 | 6,500 | 2,534,000 | 973,000 | $144.80 |
| 03/31/2016 | BERKSHIRE HATHAWAY INC | BRK/B | 11,000 | 11,000 | 1,561,000 | 1,561,000 | $141.91 |
| 12/31/2015 | BERKSHIRE HATHAWAY INC | BRK/B | 18,000 | -10,000 | 2,377,000 | -1,434,000 | $132.06 |
| 09/30/2015 | BERKSHIRE HATHAWAY INC | BRK/B | 32,500 | 4,500 | 4,238,000 | 427,000 | $130.40 |
| 06/30/2015 | BERKSHIRE HATHAWAY INC | BRK/B | 28,000 | -1,000 | 3,811,000 | -374,000 | $136.11 |
| 03/31/2015 | BERKSHIRE HATHAWAY INC | BRK/B | 29,000 | -1,500 | 4,185,000 | -395,000 | $144.31 |
| 12/31/2014 | BERKSHIRE HATHAWAY INC | BRK/B | 30,500 | 6,500 | 4,580,000 | 1,265,000 | $150.16 |
| 09/30/2014 | BERKSHIRE HATHAWAY INC | BRK/B | 24,000 | 24,000 | 3,315,000 | 3,315,000 | $138.13 |
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