Taiwan Semiconductor Mfg shares owned by Main Street Research
Quarter-by-quarter ownership of Taiwan Semiconductor Mfg (TSM) shares owned by Main Street Research
from 13F filings
Historical chart of Main Street Research investment in Taiwan Semiconductor Mfg
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Quarterly reported holdings in Taiwan Semiconductor Mfg by Main Street Research
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $62M | 221k | 279.29 |
| 2025-06-30 | $31M | 137k | 227.27 |
| 2025-03-31 | $29M | 175k | 166.68 |
| 2024-12-31 | $34M | 173k | 198.10 |
| 2024-09-30 | $30M | 169k | 174.30 |
| 2024-06-30 | $29M | 166k | 174.34 |
| 2021-12-31 | $284k | 2.4k | 120.44 |
| 2021-09-30 | $291k | 2.6k | 111.75 |
| 2021-06-30 | $303k | 2.5k | 120.14 |
| 2021-03-31 | $237k | 2.0k | 118.38 |
| 2020-03-31 | $5.8M | 122k | 47.79 |
| 2019-12-31 | $208k | 3.6k | 58.17 |
| 2018-09-30 | $13M | 289k | 44.16 |
| 2018-06-30 | $10M | 273k | 36.56 |
| 2018-03-31 | $12M | 271k | 43.76 |
| 2015-06-30 | $8.5M | 376k | 22.71 |
| 2015-03-31 | $8.4M | 357k | 23.48 |
| 2014-12-31 | $7.8M | 348k | 22.38 |
| 2013-06-30 | $2.1M | 114k | 18.32 |
| 2013-03-31 | $1.7M | 99k | 17.19 |
| 2012-12-31 | $1.3M | 75k | 17.16 |
| 2012-09-30 | $1.1M | 68k | 15.83 |
| 2012-06-30 | $943k | 68k | 13.96 |
| 2012-03-31 | $1.3M | 87k | 15.28 |