Ken Fisher's TMO Position Overview
Ken Fisher (via Fisher Asset Management, LLC) currently holds 2.72 M shares of Thermo Fisher Scientific Inc. (TMO) worth $1.32 B, representing 0.48% of the portfolio. First purchased in 2015-Q4, this long-term strategic position has been held for 40 quarters.
Based on 13F filings, Ken Fisher has maintained a strategic position in TMO, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2020, adding 942,774 shares. Largest reduction occurred in Q1 2024, reducing 74,268 shares.
Analysis based on 13F filings available since 2013 Q2
Ken Fisher's Thermo Fisher Scientific (TMO) Holding Value Over Time
Track share changes against reported price movement
Quarterly Thermo Fisher Scientific (TMO) Trades by Ken Fisher
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2015 | +1,867 | New Buy | 1,867 | $141.94 |
| Q1 2016 | -225 | Reduce 12.05% | 1,642 | $145.55 |
| Q2 2016 | -1,642 | Sold Out | 0 | $0.00 |
| Q3 2016 | +1,482 | New Buy | 1,482 | $159.24 |
| Q4 2016 | +225 | Add 15.18% | 1,707 | $141.18 |
| Q1 2017 | +895 | Add 52.43% | 2,602 | $153.73 |
| Q2 2017 | -1,318 | Reduce 50.65% | 1,284 | $174.45 |
| Q3 2017 | -19 | Reduce 1.48% | 1,265 | $188.93 |
| Q4 2017 | +805 | Add 63.64% | 2,070 | $189.86 |
| Q1 2018 | -160 | Reduce 7.73% | 1,910 | $206.28 |
| Q2 2018 | -190 | Reduce 9.95% | 1,720 | $206.98 |
| Q3 2018 | +73 | Add 4.24% | 1,793 | $244.28 |
| Q4 2018 | -825 | Reduce 46.01% | 968 | $224.17 |
| Q1 2019 | -968 | Sold Out | 0 | $0.00 |
| Q2 2019 | +911 | New Buy | 911 | $294.18 |
| Q3 2019 | +668 | Add 73.33% | 1,579 | $291.32 |
| Q4 2019 | +123 | Add 7.79% | 1,702 | $324.91 |
| Q1 2020 | +942,774 | Add 55392.13% | 944,476 | $283.60 |
| Q2 2020 | +585,222 | Add 61.96% | 1.53 M | $362.34 |
| Q3 2020 | +85,254 | Add 5.57% | 1.61 M | $441.52 |
| Q4 2020 | +116,353 | Add 7.20% | 1.73 M | $465.78 |
| Q1 2021 | +82,766 | Add 4.78% | 1.81 M | $456.38 |
| Q2 2021 | +112,351 | Add 6.19% | 1.93 M | $504.47 |
| Q3 2021 | +86,150 | Add 4.47% | 2.01 M | $571.33 |
| Q4 2021 | +139,982 | Add 6.96% | 2.15 M | $667.24 |
| Q1 2022 | +104,324 | Add 4.85% | 2.26 M | $590.65 |
| Q2 2022 | +83,936 | Add 3.72% | 2.34 M | $543.28 |
| Q3 2022 | -35,752 | Reduce 1.53% | 2.31 M | $507.19 |
| Q4 2022 | +46,035 | Add 2.00% | 2.35 M | $550.69 |
| Q1 2023 | +44,874 | Add 1.91% | 2.4 M | $576.42 |
| Q2 2023 | +60,712 | Add 2.53% | 2.46 M | $521.75 |
| Q3 2023 | +114,394 | Add 4.66% | 2.57 M | $506.17 |
| Q4 2023 | +589 | Add 0.02% | 2.57 M | $530.79 |
| Q1 2024 | -74,268 | Reduce 2.89% | 2.5 M | $581.21 |
| Q2 2024 | +73,574 | Add 2.95% | 2.57 M | $553.00 |
| Q3 2024 | +65,586 | Add 2.55% | 2.64 M | $618.57 |
| Q4 2024 | +29,344 | Add 1.11% | 2.67 M | $520.23 |
| Q1 2025 | +49,516 | Add 1.86% | 2.72 M | $497.60 |
| Q2 2025 | -25,615 | Reduce 0.94% | 2.69 M | $405.46 |
| Q3 2025 | +31,298 | Add 1.16% | 2.72 M | $485.02 |
Ken Fisher's Thermo Fisher Scientific Investment FAQs
Ken Fisher first purchased Thermo Fisher Scientific Inc. (TMO) in Q4 2015, acquiring 1,867 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Ken Fisher has held Thermo Fisher Scientific Inc. (TMO) for 40 quarters since Q4 2015.
Ken Fisher's largest addition to Thermo Fisher Scientific Inc. (TMO) was in Q1 2020, adding 944,476 shares worth $267.85 M.
According to the latest 13F filing for Q3 2025, Ken Fisher's firm, Fisher Asset Management, LLC, owns 2,721,101 shares of Thermo Fisher Scientific Inc. (TMO), valued at approximately $1.32 B.
As of the Q3 2025 filing, Thermo Fisher Scientific Inc. (TMO) represents approximately 0.48% of Ken Fisher's publicly disclosed stock portfolio, making it one of their key holdings.
Ken Fisher's peak holding in Thermo Fisher Scientific Inc. (TMO) was 2,721,101 shares, as reported at the end of Q3 2025.