Chesley Taft & Associates’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
$16.8M Sell
41,467
-301
-0.7% -$122K 0.75% 38
2025
Q1
$20.8M Buy
41,768
+1,822
+5% +$907K 1% 30
2024
Q4
$20.8M Sell
39,946
-125
-0.3% -$65K 0.96% 30
2024
Q3
$24.8M Buy
40,071
+30
+0.1% +$18.6K 1.18% 27
2024
Q2
$22.1M Buy
40,041
+582
+1% +$322K 1.11% 26
2024
Q1
$22.9M Buy
39,459
+20
+0.1% +$11.6K 1.17% 25
2023
Q4
$20.9M Sell
39,439
-203
-0.5% -$108K 1.17% 25
2023
Q3
$20.1M Sell
39,642
-870
-2% -$440K 1.3% 21
2023
Q2
$21.1M Sell
40,512
-286
-0.7% -$149K 1.29% 20
2023
Q1
$23.5M Sell
40,798
-318
-0.8% -$183K 1.54% 16
2022
Q4
$22.6M Sell
41,116
-295
-0.7% -$162K 1.56% 17
2022
Q3
$21M Sell
41,411
-136
-0.3% -$69K 1.55% 18
2022
Q2
$22.6M Sell
41,547
-1,255
-3% -$682K 1.54% 18
2022
Q1
$24.4M Sell
42,802
-774
-2% -$442K 1.43% 18
2021
Q4
$29.1M Sell
43,576
-551
-1% -$368K 1.5% 17
2021
Q3
$25.2M Sell
44,127
-142
-0.3% -$81.1K 1.44% 19
2021
Q2
$22.3M Sell
44,269
-1,126
-2% -$568K 1.28% 21
2021
Q1
$21.1M Sell
45,395
-461
-1% -$215K 1.26% 24
2020
Q4
$21.4M Sell
45,856
-2,556
-5% -$1.19M 1.36% 21
2020
Q3
$21.4M Sell
48,412
-548
-1% -$242K 1.52% 18
2020
Q2
$17.7M Sell
48,960
-2,218
-4% -$804K 1.35% 20
2020
Q1
$14.5M Sell
51,178
-311
-0.6% -$88.2K 1.32% 22
2019
Q4
$16.7M Sell
51,489
-543
-1% -$176K 1.2% 27
2019
Q3
$15.2M Sell
52,032
-402
-0.8% -$117K 1.17% 28
2019
Q2
$15.4M Buy
52,434
+278
+0.5% +$81.6K 1.2% 27
2019
Q1
$14.3M Sell
52,156
-2,505
-5% -$686K 1.19% 29
2018
Q4
$12.2M Sell
54,661
-1,075
-2% -$241K 1.18% 31
2018
Q3
$13.6M Buy
55,736
+305
+0.6% +$74.4K 1.08% 32
2018
Q2
$11.5M Sell
55,431
-1,210
-2% -$251K 0.99% 33
2018
Q1
$11.7M Sell
56,641
-590
-1% -$122K 1.04% 32
2017
Q4
$10.9M Buy
57,231
+122
+0.2% +$23.2K 0.92% 32
2017
Q3
$10.8M Buy
57,109
+4,167
+8% +$788K 0.93% 34
2017
Q2
$9.24M Sell
52,942
-765
-1% -$133K 0.83% 39
2017
Q1
$8.25M Sell
53,707
-1,755
-3% -$270K 0.78% 40
2016
Q4
$7.83M Buy
55,462
+690
+1% +$97.4K 0.77% 42
2016
Q3
$8.71M Sell
54,772
-1,200
-2% -$191K 0.88% 41
2016
Q2
$8.27M Sell
55,972
-43
-0.1% -$6.35K 0.85% 41
2016
Q1
$7.93M Sell
56,015
-678
-1% -$96K 0.84% 44
2015
Q4
$8.04M Sell
56,693
-4,617
-8% -$655K 0.85% 42
2015
Q3
$7.5M Sell
61,310
-60
-0.1% -$7.34K 0.82% 44
2015
Q2
$7.96M Sell
61,370
-45
-0.1% -$5.84K 0.81% 45
2015
Q1
$8.25M Sell
61,415
-3,695
-6% -$496K 0.85% 46
2014
Q4
$8.16M Buy
65,110
+465
+0.7% +$58.3K 0.82% 46
2014
Q3
$7.87M Sell
64,645
-370
-0.6% -$45K 0.82% 46
2014
Q2
$7.67M Buy
65,015
+520
+0.8% +$61.4K 0.79% 49
2014
Q1
$7.76M Buy
64,495
+3,620
+6% +$435K 0.83% 47
2013
Q4
$6.78M Sell
60,875
-190
-0.3% -$21.2K 0.68% 50
2013
Q3
$5.63M Buy
61,065
+75
+0.1% +$6.91K 0.61% 58
2013
Q2
$5.16M Buy
+60,990
New +$5.16M 0.6% 58