Taiwan Semiconductor Mfg shares owned by Security National Bank
Quarter-by-quarter ownership of Taiwan Semiconductor Mfg (TSM) shares owned by Security National Bank
from 13F filings
Historical chart of Security National Bank investment in Taiwan Semiconductor Mfg
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All positions including Taiwan Semiconductor Mfg held by Security National Bank consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Taiwan Semiconductor Mfg by Security National Bank
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $182k | 653 | 279.29 |
| 2025-06-30 | $142k | 628 | 226.49 |
| 2025-03-31 | $83k | 500 | 166.00 |
| 2022-09-30 | $2.6M | 38k | 68.55 |
| 2022-06-30 | $3.1M | 38k | 81.76 |
| 2022-03-31 | $4.0M | 39k | 104.25 |
| 2021-12-31 | $4.3M | 36k | 120.32 |
| 2021-09-30 | $4.0M | 36k | 111.65 |
| 2021-06-30 | $3.9M | 32k | 120.16 |
| 2021-03-31 | $3.6M | 31k | 118.26 |