Mairs and Power's TMO Position Overview
Mairs and Power (via Mairs & Power INC) currently holds 1.6K shares of Thermo Fisher Scientific Inc. (TMO) worth $783,792, representing 0.01% of the portfolio. First purchased in 2014-Q1, this long-term strategic position has been held for 47 quarters.
Based on 13F filings since 2013, Mairs and Power has maintained a long-term strategic position in TMO, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2018, adding 600 shares. Largest reduction occurred in Q3 2015, reducing 450 shares.
Analysis based on 13F filings available since 2013 Q2
Mairs and Power's Thermo Fisher Scientific (TMO) Holding Value Over Time
Track share changes against reported price movement
Quarterly Thermo Fisher Scientific (TMO) Trades by Mairs and Power
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2014 | +1,910 | New Buy | 1,910 | $120.42 |
| Q2 2014 | -125 | Reduce 6.54% | 1,785 | $118.21 |
| Q3 2014 | +596 | Add 33.39% | 2,381 | $121.80 |
| Q4 2014 | +65 | Add 2.73% | 2,446 | $125.10 |
| Q1 2015 | -65 | Reduce 2.66% | 2,381 | $134.40 |
| Q2 2015 | -46 | Reduce 1.93% | 2,335 | $129.76 |
| Q3 2015 | -450 | Reduce 19.27% | 1,885 | $122.02 |
| Q4 2015 | -150 | Reduce 7.96% | 1,735 | $141.79 |
| Q1 2016 | -52 | Reduce 3.00% | 1,683 | $141.41 |
| Q2 2016 | +103 | Add 6.12% | 1,786 | $147.82 |
| Q3 2016 | -103 | Reduce 5.77% | 1,683 | $159.24 |
| Q3 2017 | -113 | Reduce 6.71% | 1,570 | $189.17 |
| Q4 2017 | -110 | Reduce 7.01% | 1,460 | $189.73 |
| Q2 2018 | +600 | Add 41.10% | 2,060 | $207.28 |
| Q3 2019 | -300 | Reduce 14.56% | 1,760 | $291.48 |
| Q4 2019 | -229 | Reduce 13.01% | 1,531 | $324.62 |
| Q1 2020 | -75 | Reduce 4.90% | 1,456 | $283.65 |
| Q2 2020 | -31 | Reduce 2.13% | 1,425 | $362.11 |
| Q3 2020 | -75 | Reduce 5.26% | 1,350 | $441.48 |
| Q4 2020 | +5 | Add 0.37% | 1,355 | $465.68 |
| Q2 2021 | -200 | Reduce 14.76% | 1,155 | $504.76 |
| Q3 2021 | -5 | Reduce 0.43% | 1,150 | $571.30 |
| Q4 2021 | +54 | Add 4.70% | 1,204 | $666.94 |
| Q1 2023 | +535 | Add 44.44% | 1,739 | $576.37 |
| Q2 2023 | +3 | Add 0.17% | 1,742 | $521.75 |
| Q3 2023 | -178 | Reduce 10.22% | 1,564 | $506.17 |
| Q4 2023 | +67 | Add 4.28% | 1,631 | $530.79 |
| Q1 2024 | -90 | Reduce 5.52% | 1,541 | $581.21 |
| Q2 2024 | +269 | Add 17.46% | 1,810 | $553.00 |
| Q3 2024 | -145 | Reduce 8.01% | 1,665 | $618.57 |
| Q4 2024 | -49 | Reduce 2.94% | 1,616 | $520.23 |
| Q1 2025 | -310 | Reduce 19.18% | 1,306 | $497.60 |
| Q2 2025 | +310 | Add 23.74% | 1,616 | $405.46 |
Mairs and Power's Thermo Fisher Scientific Investment FAQs
Mairs and Power first purchased Thermo Fisher Scientific Inc. (TMO) in Q1 2014, acquiring 1,910 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mairs and Power has held Thermo Fisher Scientific Inc. (TMO) for 47 quarters since Q1 2014. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mairs and Power's largest addition to Thermo Fisher Scientific Inc. (TMO) was in Q1 2014, adding 1,910 shares worth $230,000. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Mairs and Power's firm, Mairs & Power INC, owns 1,616 shares of Thermo Fisher Scientific Inc. (TMO), valued at approximately $783,792. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Thermo Fisher Scientific Inc. (TMO) represents approximately 0.01% of Mairs and Power's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mairs and Power's peak holding in Thermo Fisher Scientific Inc. (TMO) was 2,446 shares, as reported at the end of Q4 2014. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.