Berkshire Hathaway shares owned by Mason Investment Advisory Services
Quarter-by-quarter ownership of Berkshire Hathaway (BRK.B) shares owned by Mason Investment Advisory Services
from 13F filings
Historical chart of Mason Investment Advisory Services investment in Berkshire Hathaway
Tip: Access up to 7 years of quarterly data
All positions including Berkshire Hathaway held by Mason Investment Advisory Services consolidated in one spreadsheet with up to 7 years of data
Download as csvQuarterly reported holdings in Berkshire Hathaway by Mason Investment Advisory Services
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $245k | 488 | 502.74 |
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