Berkshire Hathaway shares owned by Promethium Advisors
Quarter-by-quarter ownership of Berkshire Hathaway (BRK.B) shares owned by Promethium Advisors
from 13F filings
Historical chart of Promethium Advisors investment in Berkshire Hathaway
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Quarterly reported holdings in Berkshire Hathaway by Promethium Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $1.1M | 2.2k | 502.65 |
| 2025-09-30 | $1.1M | 2.2k | 502.74 |
| 2025-06-30 | $1.1M | 2.2k | 485.77 |
| 2025-03-31 | $827k | 1.6k | 532.58 |
| 2024-12-31 | $378k | 833 | 453.28 |
| 2024-09-30 | $374k | 813 | 460.26 |