Berkshire Hathaway shares owned by Martin & Co
Quarter-by-quarter ownership of Berkshire Hathaway (BRK.B) shares owned by Martin & Co
from 13F filings
Historical chart of Martin & Co investment in Berkshire Hathaway
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Quarterly reported holdings in Berkshire Hathaway by Martin & Co
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $6.3M | 13k | 502.72 |
| 2025-06-30 | $5.9M | 12k | 485.75 |
| 2025-03-31 | $6.5M | 12k | 532.56 |
| 2024-12-31 | $5.7M | 13k | 453.26 |
| 2024-09-30 | $6.0M | 13k | 460.24 |
| 2024-06-30 | $5.4M | 13k | 406.78 |
| 2024-03-31 | $5.6M | 13k | 420.50 |
| 2023-09-30 | $4.9M | 14k | 350.29 |
| 2023-06-30 | $4.8M | 14k | 340.99 |
| 2023-03-31 | $4.6M | 15k | 308.76 |
| 2022-12-31 | $4.7M | 15k | 308.89 |
| 2022-09-30 | $3.9M | 15k | 266.98 |
| 2022-06-30 | $3.9M | 14k | 272.98 |
| 2022-03-31 | $4.9M | 14k | 352.93 |
| 2021-12-31 | $4.5M | 15k | 298.99 |
| 2021-09-30 | $4.2M | 15k | 272.92 |
| 2021-06-30 | $3.9M | 14k | 277.89 |
| 2021-03-31 | $3.7M | 15k | 255.44 |
| 2020-12-31 | $3.6M | 15k | 231.88 |
| 2020-09-30 | $3.3M | 15k | 212.92 |
| 2020-06-30 | $2.8M | 16k | 182.85 |
| 2020-03-31 | $2.8M | 16k | 182.85 |
| 2019-12-31 | $3.3M | 15k | 226.52 |
| 2019-09-30 | $3.1M | 15k | 208.05 |
| 2019-06-30 | $3.2M | 15k | 213.16 |
| 2019-03-31 | $3.2M | 16k | 200.91 |
| 2018-12-31 | $3.3M | 16k | 204.18 |
| 2018-09-30 | $3.5M | 16k | 214.09 |
| 2018-06-30 | $3.1M | 17k | 186.62 |
| 2018-03-31 | $7.8M | 39k | 199.48 |
| 2017-12-31 | $7.8M | 40k | 198.22 |
| 2017-09-30 | $7.2M | 39k | 183.33 |
| 2017-06-30 | $7.4M | 44k | 169.37 |
| 2017-03-31 | $7.3M | 44k | 166.68 |
| 2016-12-31 | $7.2M | 44k | 162.99 |
| 2016-09-30 | $6.4M | 44k | 144.46 |
| 2016-06-30 | $6.4M | 44k | 144.79 |
| 2016-03-31 | $6.5M | 46k | 141.88 |
| 2015-12-31 | $6.2M | 47k | 132.04 |
| 2015-09-30 | $6.1M | 47k | 130.40 |
| 2015-06-30 | $6.3M | 46k | 136.10 |
| 2015-03-31 | $6.6M | 46k | 144.32 |
| 2014-12-31 | $6.8M | 46k | 150.15 |
| 2014-09-30 | $6.2M | 45k | 138.15 |
| 2014-06-30 | $5.6M | 44k | 126.55 |
| 2014-03-31 | $5.4M | 43k | 124.97 |
| 2013-12-31 | $5.1M | 43k | 118.56 |
| 2013-09-30 | $4.9M | 43k | 113.52 |
| 2013-06-30 | $4.7M | 42k | 111.93 |
| 2013-03-31 | $4.4M | 42k | 104.19 |
| 2012-12-31 | $3.7M | 42k | 89.70 |
| 2012-09-30 | $2.8M | 32k | 88.19 |
| 2012-06-30 | $2.6M | 31k | 83.34 |
| 2012-03-31 | $2.5M | 31k | 81.16 |
| 2011-12-31 | $2.4M | 31k | 76.30 |
| 2011-09-30 | $2.2M | 31k | 71.06 |
| 2011-06-30 | $2.4M | 31k | 77.38 |