D.B. Root & Company’s Thermo Fisher Scientific TMO Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q4 | – | Sell |
-503
| Closed | -$244K | – | 195 |
|
|
2025
Q3 | $244K | Sell |
503
-366
| -42% | -$170K | 0.06% | 167 |
|
|
2025
Q2 | $352K | Sell |
869
-251
| -22% | -$105K | 0.1% | 136 |
|
|
2025
Q1 | $557K | Buy |
1,120
+200
| +22% | +$108K | 0.18% | 91 |
|
|
2024
Q4 | $479K | Buy |
920
+259
| +39% | +$142K | 0.15% | 101 |
|
|
2024
Q3 | $409K | Sell |
661
-15
| -2% | -$8.88K | 0.13% | 109 |
|
|
2024
Q2 | $374K | Buy |
676
+56
| +9% | +$32.1K | 0.13% | 135 |
|
|
2024
Q1 | $360K | Hold |
620
| – | – | 0.12% | 134 |
|
|
2023
Q4 | $329K | Sell |
620
-9
| -1% | -$4.36K | 0.12% | 136 |
|
|
2023
Q3 | $318K | Buy |
629
+2
| +0.3% | +$1.07K | 0.12% | 136 |
|
|
2023
Q2 | $327K | Buy |
627
+30
| +5% | +$16.2K | 0.12% | 144 |
|
|
2023
Q1 | $344K | Sell |
597
-6
| -1% | -$3.38K | 0.14% | 133 |
|
|
2022
Q4 | $332K | Buy |
603
+27
| +5% | +$14.3K | 0.14% | 131 |
|
|
2022
Q3 | $292K | Sell |
576
-13
| -2% | -$7.28K | 0.13% | 134 |
|
|
2022
Q2 | $319K | Buy |
589
+6
| +1% | +$3.3K | 0.14% | 138 |
|
|
2022
Q1 | $344K | Sell |
583
-260
| -31% | -$149K | 0.13% | 147 |
|
|
2021
Q4 | $562K | Sell |
843
-17
| -2% | -$10.6K | 0.2% | 122 |
|
|
2021
Q3 | $491K | Sell |
860
-271
| -24% | -$149K | 0.19% | 132 |
|
|
2021
Q2 | $570K | Sell |
1,131
-21
| -2% | -$9.91K | 0.21% | 123 |
|
|
2021
Q1 | $525K | Sell |
1,152
-31
| -3% | -$14.8K | 0.21% | 129 |
|
|
2020
Q4 | $551K | Sell |
1,183
-18
| -1% | -$8.44K | 0.22% | 115 |
|
|
2020
Q3 | $530K | Buy |
1,201
+1
| +0.1% | +$413 | 0.21% | 124 |
|
|
2020
Q2 | $434K | Sell |
1,200
-39
| -3% | -$13.1K | 0.19% | 128 |
|
|
2020
Q1 | $351K | Buy |
+1,239
| New | +$391K | 0.18% | 138 |
|
|
2019
Q3 | – | Sell |
-1,130
| Closed | -$331K | – | 200 |
|
|
2019
Q2 | $331K | Hold |
1,130
| – | – | 0.15% | 161 |
|
|
2019
Q1 | $309K | Sell |
1,130
-15
| -1% | -$3.73K | 0.13% | 174 |
|
|
2018
Q4 | $256K | Hold |
1,145
| – | – | 0.13% | 164 |
|
|
2018
Q3 | $279K | Sell |
1,145
-121
| -10% | -$27.8K | 0.12% | 173 |
|
|
2018
Q2 | $262K | Buy |
1,266
+145
| +13% | +$30.8K | 0.12% | 178 |
|
|
2018
Q1 | $231K | Hold |
1,121
| – | – | 0.12% | 179 |
|
|
2017
Q4 | $213K | Buy |
+1,121
| New | +$215K | 0.18% | 104 |
|
Other funds holding TMO
JSC
D.B. Root & Company's TMO Position: Q4 2025 in Review
D.B. Root & Company sold out of Thermo Fisher Scientific (TMO) in Q4 2025, closing a stake of 503 shares — an estimated $244K sold.
D.B. Root & Company first reported a position in TMO in Q4 2017 and held it in 30 quarters. The position peaked at $570K in Q2 2021. 2,701 funds tracked by Wall St. Rank hold TMO as of Q4 2025.
- D.B. Root & Company reported no remaining Thermo Fisher Scientific position as of Q4 2025 after selling out during the quarter.
- D.B. Root & Company sold 503 Thermo Fisher Scientific shares in Q4 2025, an estimated $244K.
- D.B. Root & Company first reported a position in Thermo Fisher Scientific in Q4 2017 and held it in 30 quarters.
- D.B. Root & Company's Thermo Fisher Scientific position peaked at $570K in Q2 2021.
- 2,701 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q4 2025.
Based on D.B. Root & Company's 13F filing for Q4 2025, filed 3 Feb 2026.