Berkshire Hathaway shares owned by RWWM
Historical chart of RWWM investment in Berkshire Hathaway
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Quarterly reported holdings in Berkshire Hathaway by RWWM
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $123M | 244k | 502.74 |
| 2025-06-30 | $119M | 244k | 485.77 |
| 2025-03-31 | $132M | 248k | 532.58 |
| 2024-12-31 | $114M | 252k | 453.28 |
| 2024-09-30 | $116M | 252k | 460.26 |
| 2024-06-30 | $103M | 254k | 406.73 |
| 2024-03-31 | $108M | 257k | 420.50 |
| 2023-12-31 | $99M | 277k | 356.56 |
| 2023-09-30 | $98M | 281k | 350.30 |
| 2023-06-30 | $97M | 284k | 341.00 |
| 2023-03-31 | $88M | 286k | 308.77 |
| 2022-12-31 | $89M | 288k | 308.90 |
| 2022-09-30 | $84M | 315k | 267.02 |
| 2022-06-30 | $86M | 315k | 272.81 |
| 2022-03-31 | $111M | 315k | 352.91 |
| 2021-12-31 | $97M | 326k | 299.00 |
| 2021-09-30 | $89M | 327k | 272.94 |
| 2021-06-30 | $92M | 329k | 277.92 |
| 2021-03-31 | $84M | 330k | 255.47 |
| 2020-12-31 | $104M | 446k | 231.87 |
| 2020-09-30 | $96M | 451k | 212.94 |
| 2020-06-30 | $84M | 470k | 178.51 |
| 2020-03-31 | $36M | 197k | 182.83 |
| 2019-12-31 | $44M | 195k | 226.50 |
| 2019-09-30 | $42M | 200k | 208.02 |
| 2019-06-30 | $43M | 204k | 213.38 |
| 2019-03-31 | $46M | 229k | 200.89 |
| 2018-12-31 | $46M | 226k | 204.18 |
| 2018-09-30 | $48M | 222k | 214.11 |
| 2018-06-30 | $43M | 225k | 190.55 |
| 2018-03-31 | $46M | 230k | 199.48 |
| 2017-12-31 | $46M | 234k | 197.69 |
| 2017-09-30 | $42M | 230k | 183.32 |
| 2017-06-30 | $42M | 249k | 169.37 |
| 2017-03-31 | $42M | 252k | 166.68 |
| 2016-12-31 | $41M | 254k | 162.98 |
| 2016-09-30 | $37M | 253k | 144.47 |
| 2016-06-30 | $35M | 241k | 144.79 |
| 2016-03-31 | $35M | 244k | 141.88 |
| 2015-12-31 | $32M | 239k | 132.04 |
| 2015-09-30 | $31M | 237k | 130.40 |
| 2015-06-30 | $32M | 237k | 136.11 |
| 2015-03-31 | $34M | 235k | 144.32 |
| 2014-12-31 | $35M | 235k | 150.15 |
| 2014-09-30 | $35M | 255k | 138.14 |
| 2014-06-30 | $32M | 255k | 126.56 |
| 2014-03-31 | $31M | 248k | 124.97 |
| 2013-12-31 | $24M | 206k | 118.56 |
| 2013-09-30 | $21M | 188k | 113.51 |
| 2013-06-30 | $21M | 188k | 111.92 |
| 2013-03-31 | $20M | 194k | 104.20 |
| 2012-12-31 | $17M | 189k | 89.70 |