Berkshire Hathaway shares owned by Westmount Partners
Quarter-by-quarter ownership of Berkshire Hathaway (BRK.B) shares owned by Westmount Partners
from 13F filings
Historical chart of Westmount Partners investment in Berkshire Hathaway
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Quarterly reported holdings in Berkshire Hathaway by Westmount Partners
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $8.4M | 17k | 498.20 |
| 2025-06-30 | $8.3M | 17k | 485.77 |
| 2025-03-31 | $9.1M | 17k | 532.58 |
| 2024-12-31 | $7.9M | 17k | 453.28 |
| 2024-09-30 | $6.7M | 15k | 460.26 |
| 2024-06-30 | $5.9M | 15k | 405.19 |
| 2024-03-31 | $6.1M | 15k | 420.52 |
| 2023-12-31 | $5.2M | 15k | 356.66 |
| 2023-09-30 | $5.0M | 14k | 350.30 |
| 2023-06-30 | $4.9M | 14k | 341.00 |
| 2023-03-31 | $4.6M | 15k | 308.77 |
| 2022-12-31 | $4.6M | 15k | 308.90 |