Main Street Research’s Thermo Fisher Scientific TMO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$373K Sell
918
-336
-27% -$136K 0.02% 85
2025
Q1
$625K Sell
1,254
-400
-24% -$199K 0.04% 66
2024
Q4
$861K Sell
1,654
-64
-4% -$33.3K 0.05% 61
2024
Q3
$1.06M Buy
1,718
+163
+10% +$101K 0.07% 59
2024
Q2
$861K Sell
1,555
-50
-3% -$27.7K 0.06% 54
2024
Q1
$934K Buy
1,605
+183
+13% +$106K 0.06% 55
2023
Q4
$755K Buy
1,422
+218
+18% +$116K 0.06% 58
2023
Q3
$610K Sell
1,204
-49
-4% -$24.8K 0.06% 62
2023
Q2
$654K Sell
1,253
-6
-0.5% -$3.13K 0.1% 50
2023
Q1
$726K Sell
1,259
-67
-5% -$38.6K 0.14% 44
2022
Q4
$731K Sell
1,326
-46
-3% -$25.3K 0.18% 47
2022
Q3
$696K Buy
1,372
+85
+7% +$43.1K 0.15% 46
2022
Q2
$699K Sell
1,287
-80
-6% -$43.5K 0.18% 39
2022
Q1
$807K Sell
1,367
-3
-0.2% -$1.77K 0.08% 53
2021
Q4
$914K Sell
1,370
-85
-6% -$56.7K 0.07% 64
2021
Q3
$831K Buy
1,455
+44
+3% +$25.1K 0.07% 65
2021
Q2
$712K Sell
1,411
-70
-5% -$35.3K 0.06% 75
2021
Q1
$676K Buy
1,481
+43
+3% +$19.6K 0.06% 74
2020
Q4
$670K Buy
1,438
+69
+5% +$32.1K 0.07% 70
2020
Q3
$604K Sell
1,369
-29
-2% -$12.8K 0.08% 69
2020
Q2
$507K Sell
1,398
-303
-18% -$110K 0.08% 66
2020
Q1
$482K Buy
1,701
+514
+43% +$146K 0.12% 51
2019
Q4
$386K Buy
1,187
+32
+3% +$10.4K 0.06% 67
2019
Q3
$336K Hold
1,155
0.06% 68
2019
Q2
$339K Sell
1,155
-50
-4% -$14.7K 0.08% 67
2019
Q1
$330K Sell
1,205
-120
-9% -$32.9K 0.1% 65
2018
Q4
$297K Hold
1,325
0.12% 64
2018
Q3
$323K Hold
1,325
0.05% 83
2018
Q2
$274K Hold
1,325
0.04% 93
2018
Q1
$274K Sell
1,325
-294
-18% -$60.8K 0.04% 90
2017
Q4
$307K Sell
1,619
-160
-9% -$30.3K 0.05% 89
2017
Q3
$337K Buy
1,779
+59
+3% +$11.2K 0.05% 88
2017
Q2
$300K Buy
+1,720
New +$300K 0.05% 105
2016
Q4
Sell
-1,445
Closed -$230K 119
2016
Q3
$230K Buy
+1,445
New +$230K 0.05% 101