Diamond Hill Capital's TMO Position Overview
Diamond Hill Capital (via Diamond Hill Capital Management INC) currently holds 460,301 shares of Thermo Fisher Scientific Inc. (TMO) worth $266.72 M, representing 1.37% of the portfolio. First purchased in 2016-Q1, this long-term strategic position has been held for 22 quarters.
Based on 13F filings, Diamond Hill Capital has maintained a strategic position in TMO, demonstrating sustained confidence in this investment. Largest addition occurred in Q3 2025, adding 499,940 shares. Largest reduction occurred in Q3 2020, reducing 491,241 shares.
Analysis based on 13F filings available since 2013 Q2
Diamond Hill Capital's Thermo Fisher Scientific (TMO) Holding Value Over Time
Track share changes against reported price movement
Quarterly Thermo Fisher Scientific (TMO) Trades by Diamond Hill Capital
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -39,639 | Reduce 7.93% | 460,301 | $579.45 |
| Q3 2025 | +499,940 | New Buy | 499,940 | $485.02 |
| Q4 2020 | -2,529 | Sold Out | 0 | $0.00 |
| Q3 2020 | -491,241 | Reduce 99.49% | 2,529 | $441.68 |
| Q2 2020 | -212,286 | Reduce 30.07% | 493,770 | $362.34 |
| Q1 2020 | -11,877 | Reduce 1.65% | 706,056 | $283.60 |
| Q4 2019 | -6,878 | Reduce 0.95% | 717,933 | $324.87 |
| Q3 2019 | -2,053 | Reduce 0.28% | 724,811 | $291.27 |
| Q2 2019 | -6,153 | Reduce 0.84% | 726,864 | $293.68 |
| Q1 2019 | -18,541 | Reduce 2.47% | 733,017 | $273.72 |
| Q4 2018 | -174,254 | Reduce 18.82% | 751,558 | $223.79 |
| Q3 2018 | -172,817 | Reduce 15.73% | 925,812 | $244.08 |
| Q2 2018 | +11,013 | Add 1.01% | 1.1 M | $207.14 |
| Q1 2018 | -13,411 | Reduce 1.22% | 1.09 M | $206.46 |
| Q4 2017 | +25,423 | Add 2.36% | 1.1 M | $189.88 |
| Q3 2017 | +360,911 | Add 50.50% | 1.08 M | $189.20 |
| Q2 2017 | +66,097 | Add 10.19% | 714,693 | $174.47 |
| Q1 2017 | +1,094 | Add 0.17% | 648,596 | $153.60 |
| Q4 2016 | +95,825 | Add 17.37% | 647,502 | $141.10 |
| Q3 2016 | -22,388 | Reduce 3.90% | 551,677 | $159.06 |
| Q2 2016 | -6,857 | Reduce 1.18% | 574,065 | $147.76 |
| Q1 2016 | +580,922 | New Buy | 580,922 | $141.59 |
Diamond Hill Capital's Thermo Fisher Scientific Investment FAQs
Diamond Hill Capital first purchased Thermo Fisher Scientific Inc. (TMO) in Q1 2016, acquiring 580,922 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Diamond Hill Capital has held Thermo Fisher Scientific Inc. (TMO) for 22 quarters since Q1 2016.
Diamond Hill Capital's largest addition to Thermo Fisher Scientific Inc. (TMO) was in Q1 2016, adding 580,922 shares worth $82.25 M.
According to the latest 13F filing for Q4 2025, Diamond Hill Capital's firm, Diamond Hill Capital Management INC, owns 460,301 shares of Thermo Fisher Scientific Inc. (TMO), valued at approximately $266.72 M.
As of the Q4 2025 filing, Thermo Fisher Scientific Inc. (TMO) represents approximately 1.37% of Diamond Hill Capital's publicly disclosed stock portfolio, making it one of their key holdings.
Diamond Hill Capital's peak holding in Thermo Fisher Scientific Inc. (TMO) was 1,101,027 shares, as reported at the end of Q4 2017.