Thermo Fisher Scientific shares owned by Main Street Research
Quarter-by-quarter ownership of Thermo Fisher Scientific (TMO) shares owned by Main Street Research
from 13F filings
Historical chart of Main Street Research investment in Thermo Fisher Scientific
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Quarterly reported holdings in Thermo Fisher Scientific by Main Street Research
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $483k | 996 | 485.02 |
| 2025-06-30 | $373k | 918 | 405.89 |
| 2025-03-31 | $625k | 1.3k | 498.08 |
| 2024-12-31 | $861k | 1.7k | 520.67 |
| 2024-09-30 | $1.1M | 1.7k | 618.96 |
| 2024-06-30 | $861k | 1.6k | 553.39 |
| 2024-03-31 | $934k | 1.6k | 581.65 |
| 2023-12-31 | $755k | 1.4k | 531.14 |
| 2023-09-30 | $610k | 1.2k | 506.52 |
| 2023-06-30 | $654k | 1.3k | 522.10 |
| 2023-03-31 | $726k | 1.3k | 576.72 |
| 2022-12-31 | $731k | 1.3k | 551.00 |
| 2022-09-30 | $696k | 1.4k | 507.29 |
| 2022-06-30 | $699k | 1.3k | 543.12 |
| 2022-03-31 | $807k | 1.4k | 590.34 |
| 2021-12-31 | $914k | 1.4k | 667.15 |
| 2021-09-30 | $831k | 1.5k | 571.13 |
| 2021-06-30 | $712k | 1.4k | 504.61 |
| 2021-03-31 | $676k | 1.5k | 456.45 |
| 2020-12-31 | $670k | 1.4k | 465.92 |
| 2020-09-30 | $604k | 1.4k | 441.20 |
| 2020-06-30 | $507k | 1.4k | 362.66 |
| 2020-03-31 | $482k | 1.7k | 283.36 |
| 2019-12-31 | $386k | 1.2k | 325.19 |
| 2019-09-30 | $336k | 1.2k | 290.91 |
| 2019-06-30 | $339k | 1.2k | 293.51 |
| 2019-03-31 | $330k | 1.2k | 273.86 |
| 2018-12-31 | $297k | 1.3k | 224.15 |
| 2018-09-30 | $323k | 1.3k | 243.77 |
| 2018-06-30 | $274k | 1.3k | 206.79 |
| 2018-03-31 | $274k | 1.3k | 206.79 |
| 2017-12-31 | $307k | 1.6k | 189.62 |
| 2017-09-30 | $337k | 1.8k | 189.43 |
| 2017-06-30 | $300k | 1.7k | 174.42 |
| 2016-09-30 | $230k | 1.4k | 159.17 |