Berkshire Hathaway shares owned by Main Street Research
Quarter-by-quarter ownership of Berkshire Hathaway (BRK.B) shares owned by Main Street Research
from 13F filings
Historical chart of Main Street Research investment in Berkshire Hathaway
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Quarterly reported holdings in Berkshire Hathaway by Main Street Research
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $34M | 95k | 356.66 |
| 2023-09-30 | $23M | 65k | 350.30 |
| 2023-06-30 | $3.2M | 9.5k | 341.00 |
| 2023-03-31 | $2.6M | 8.4k | 308.77 |
| 2022-12-31 | $3.6M | 12k | 308.90 |
| 2022-09-30 | $3.3M | 12k | 267.04 |
| 2022-06-30 | $2.2M | 8.1k | 273.05 |
| 2022-03-31 | $30M | 84k | 352.91 |
| 2021-12-31 | $3.4M | 11k | 298.96 |
| 2021-09-30 | $2.7M | 10k | 272.93 |
| 2021-06-30 | $3.1M | 11k | 277.96 |
| 2021-03-31 | $2.8M | 11k | 255.49 |
| 2020-12-31 | $2.7M | 12k | 231.84 |
| 2020-09-30 | $2.0M | 9.2k | 212.95 |
| 2020-06-30 | $2.0M | 11k | 178.47 |
| 2020-03-31 | $1.6M | 8.6k | 182.84 |
| 2019-12-31 | $2.5M | 11k | 226.53 |
| 2019-09-30 | $2.1M | 9.9k | 207.99 |
| 2019-06-30 | $10M | 48k | 213.18 |
| 2019-03-31 | $8.6M | 43k | 200.88 |
| 2018-12-31 | $8.6M | 42k | 204.18 |
| 2018-09-30 | $2.6M | 12k | 214.09 |
| 2018-06-30 | $1.9M | 10k | 186.65 |
| 2018-03-31 | $1.6M | 8.1k | 199.48 |
| 2017-12-31 | $1.6M | 8.2k | 198.24 |
| 2017-09-30 | $1.4M | 7.5k | 183.26 |
| 2017-06-30 | $1.3M | 7.5k | 169.40 |
| 2017-03-31 | $1.0M | 6.2k | 166.67 |
| 2016-12-31 | $997k | 6.1k | 163.02 |
| 2016-09-30 | $914k | 6.3k | 144.48 |
| 2016-06-30 | $844k | 5.8k | 144.87 |
| 2016-03-31 | $383k | 2.7k | 141.85 |
| 2015-12-31 | $560k | 4.2k | 132.11 |
| 2015-09-30 | $700k | 5.1k | 135.95 |
| 2015-06-30 | $688k | 5.1k | 136.16 |
| 2015-03-31 | $702k | 4.9k | 144.24 |
| 2014-12-31 | $594k | 4.0k | 150.19 |
| 2014-09-30 | $539k | 3.9k | 138.03 |
| 2014-06-30 | $494k | 3.9k | 126.50 |
| 2014-03-31 | $488k | 3.9k | 124.97 |
| 2013-12-31 | $463k | 3.9k | 118.57 |
| 2013-09-30 | $443k | 3.9k | 113.44 |
| 2013-06-30 | $437k | 3.9k | 111.91 |
| 2013-03-31 | $407k | 3.9k | 104.23 |
| 2012-12-31 | $350k | 3.9k | 89.63 |
| 2012-09-30 | $355k | 4.0k | 88.09 |
| 2012-06-30 | $375k | 4.5k | 83.43 |
| 2012-03-31 | $367k | 4.5k | 81.19 |
| 2011-12-31 | $351k | 4.6k | 76.22 |
| 2011-09-30 | $332k | 4.7k | 71.05 |
| 2011-06-30 | $412k | 5.3k | 77.43 |
| 2011-03-31 | $445k | 5.3k | 83.63 |
| 2010-09-30 | $390k | 4.7k | 82.61 |
| 2010-06-30 | $386k | 4.8k | 79.60 |
| 2010-03-31 | $436k | 5.4k | 81.27 |
| 2009-12-31 | $398k | 121 | 3289.26 |