First Pacific Advisors's TMO Position Overview
First Pacific Advisors (via First Pacific Advisors, Lp) currently holds 218,572 shares of Thermo Fisher Scientific Inc. (TMO) worth $126.65 M, representing 1.67% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 45 quarters.
Based on 13F filings since 2013, First Pacific Advisors has maintained a long-term strategic position in TMO, representing a significant commitment to this investment thesis. Largest addition occurred in Q3 2025, adding 127,576 shares. Largest reduction occurred in Q3 2015, reducing 1.51 M shares.
Analysis based on 13F filings available since 2013 Q2
First Pacific Advisors's Thermo Fisher Scientific (TMO) Holding Value Over Time
Track share changes against reported price movement
Quarterly Thermo Fisher Scientific (TMO) Trades by First Pacific Advisors
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +3,626 | Add 1.69% | 218,572 | $579.45 |
| Q3 2025 | +127,576 | Add 146.02% | 214,946 | $485.02 |
| Q2 2025 | +87,370 | New Buy | 87,370 | $405.46 |
| Q3 2023 | -650 | Sold Out | 0 | $0.00 |
| Q2 2022 | -1,140 | Reduce 63.69% | 650 | $543.08 |
| Q1 2022 | -179 | Reduce 9.09% | 1,790 | $590.50 |
| Q4 2021 | -310 | Reduce 13.60% | 1,969 | $667.34 |
| Q4 2020 | -71 | Reduce 3.02% | 2,279 | $465.99 |
| Q4 2018 | -193,312 | Reduce 98.80% | 2,350 | $223.83 |
| Q3 2018 | -1.05 M | Reduce 84.33% | 195,662 | $244.08 |
| Q2 2018 | -80,403 | Reduce 6.05% | 1.25 M | $207.14 |
| Q1 2018 | -8,961 | Reduce 0.67% | 1.33 M | $206.46 |
| Q4 2017 | +8,190 | Add 0.62% | 1.34 M | $189.88 |
| Q3 2017 | -132,640 | Reduce 9.07% | 1.33 M | $189.20 |
| Q2 2017 | +21,450 | Add 1.49% | 1.46 M | $174.47 |
| Q1 2017 | -19,030 | Reduce 1.30% | 1.44 M | $153.60 |
| Q4 2016 | -216,050 | Reduce 12.89% | 1.46 M | $141.10 |
| Q3 2016 | -112,680 | Reduce 6.30% | 1.68 M | $159.06 |
| Q2 2016 | +99,770 | Add 5.91% | 1.79 M | $147.76 |
| Q1 2016 | -143,350 | Reduce 7.82% | 1.69 M | $141.59 |
| Q4 2015 | -101,140 | Reduce 5.23% | 1.83 M | $141.85 |
| Q3 2015 | -1.51 M | Reduce 43.93% | 1.93 M | $122.28 |
| Q2 2015 | +37,600 | Add 1.10% | 3.45 M | $129.76 |
| Q1 2015 | -206,600 | Reduce 5.71% | 3.41 M | $134.34 |
| Q4 2014 | +67,700 | Add 1.91% | 3.62 M | $125.29 |
| Q3 2014 | +28,500 | Add 0.81% | 3.55 M | $121.70 |
| Q2 2014 | +12,100 | Add 0.34% | 3.52 M | $118.00 |
| Q1 2014 | -402,800 | Reduce 10.30% | 3.51 M | $120.24 |
| Q4 2013 | +5,800 | Add 0.15% | 3.91 M | $111.35 |
| Q3 2013 | +5,800 | Add 0.15% | 3.91 M | $92.15 |
| Q2 2013 | +3.9 M | Add 0.00% | 3.9 M | $84.63 |
First Pacific Advisors's Thermo Fisher Scientific Investment FAQs
First Pacific Advisors first purchased Thermo Fisher Scientific Inc. (TMO) in Q2 2013, acquiring 3,900,300 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
First Pacific Advisors has held Thermo Fisher Scientific Inc. (TMO) for 45 quarters since Q2 2013.
First Pacific Advisors's largest addition to Thermo Fisher Scientific Inc. (TMO) was in Q2 2013, adding 3,900,300 shares worth $330.08 M.
According to the latest 13F filing for Q4 2025, First Pacific Advisors's firm, First Pacific Advisors, Lp, owns 218,572 shares of Thermo Fisher Scientific Inc. (TMO), valued at approximately $126.65 M.
As of the Q4 2025 filing, Thermo Fisher Scientific Inc. (TMO) represents approximately 1.67% of First Pacific Advisors's publicly disclosed stock portfolio, making it one of their key holdings.
First Pacific Advisors's peak holding in Thermo Fisher Scientific Inc. (TMO) was 3,911,900 shares, as reported at the end of Q4 2013.