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Chesley Taft & Associates’s Thermo Fisher Scientific TMO Stock Holding History

Chesley Taft & Associates’s Portfolio TMO Stock Details TMO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$21.2M Buy
42,333
+470
+1% +$226K 0.83% 35
2026
Q1 		$20.6M Sell
41,863
-579
-1% -$314K 0.86% 36
2025
Q4 		$24.6M Buy
42,442
+1,469
+4% +$831K 0.97% 28
2025
Q3 		$19.9M Sell
40,973
-494
-1% -$230K 0.84% 32
2025
Q2 		$16.8M Sell
41,467
-301
-0.7% -$126K 0.75% 38
2025
Q1 		$20.8M Buy
41,768
+1,822
+5% +$987K 1% 30
2024
Q4 		$20.8M Sell
39,946
-125
-0.3% -$68.7K 0.96% 30
2024
Q3 		$24.8M Buy
40,071
+30
+0.1% +$17.8K 1.18% 27
2024
Q2 		$22.1M Buy
40,041
+582
+1% +$333K 1.11% 26
2024
Q1 		$22.9M Buy
39,459
+20
+0.1% +$11.2K 1.17% 25
2023
Q4 		$20.9M Sell
39,439
-203
-0.5% -$98.3K 1.17% 25
2023
Q3 		$20.1M Sell
39,642
-870
-2% -$464K 1.3% 21
2023
Q2 		$21.1M Sell
40,512
-286
-0.7% -$154K 1.29% 20
2023
Q1 		$23.5M Sell
40,798
-318
-0.8% -$179K 1.54% 16
2022
Q4 		$22.6M Sell
41,116
-295
-0.7% -$156K 1.56% 17
2022
Q3 		$21M Sell
41,411
-136
-0.3% -$76.1K 1.55% 18
2022
Q2 		$22.6M Sell
41,547
-1,255
-3% -$691K 1.54% 18
2022
Q1 		$24.4M Sell
42,802
-774
-2% -$445K 1.43% 18
2021
Q4 		$29.1M Sell
43,576
-551
-1% -$344K 1.5% 17
2021
Q3 		$25.2M Sell
44,127
-142
-0.3% -$77.9K 1.44% 19
2021
Q2 		$22.3M Sell
44,269
-1,126
-2% -$531K 1.28% 21
2021
Q1 		$21.1M Sell
45,395
-461
-1% -$220K 1.26% 24
2020
Q4 		$21.4M Sell
45,856
-2,556
-5% -$1.2M 1.36% 21
2020
Q3 		$21.4M Sell
48,412
-548
-1% -$226K 1.52% 18
2020
Q2 		$17.7M Sell
48,960
-2,218
-4% -$743K 1.35% 20
2020
Q1 		$14.5M Sell
51,178
-311
-0.6% -$98.1K 1.32% 22
2019
Q4 		$16.7M Sell
51,489
-543
-1% -$165K 1.2% 27
2019
Q3 		$15.2M Sell
52,032
-402
-0.8% -$115K 1.17% 28
2019
Q2 		$15.4M Buy
52,434
+278
+0.5% +$76.6K 1.2% 27
2019
Q1 		$14.3M Sell
52,156
-2,505
-5% -$623K 1.19% 29
2018
Q4 		$12.2M Sell
54,661
-1,075
-2% -$252K 1.18% 31
2018
Q3 		$13.6M Buy
55,736
+305
+0.6% +$70.2K 1.08% 32
2018
Q2 		$11.5M Sell
55,431
-1,210
-2% -$257K 0.99% 33
2018
Q1 		$11.7M Sell
56,641
-590
-1% -$124K 1.04% 32
2017
Q4 		$10.9M Buy
57,231
+122
+0.2% +$23.4K 0.92% 32
2017
Q3 		$10.8M Buy
57,109
+4,167
+8% +$755K 0.93% 34
2017
Q2 		$9.24M Sell
52,942
-765
-1% -$128K 0.83% 39
2017
Q1 		$8.25M Sell
53,707
-1,755
-3% -$268K 0.78% 40
2016
Q4 		$7.83M Buy
55,462
+690
+1% +$102K 0.77% 42
2016
Q3 		$8.71M Sell
54,772
-1,200
-2% -$185K 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% -$90.9K 0.84% 44
2015
Q4 		$8.04M Sell
56,693
-4,617
-8% -$616K 0.85% 42
2015
Q3 		$7.5M Sell
61,310
-60
-0.1% -$7.82K 0.82% 44
2015
Q2 		$7.96M Sell
61,370
-45
-0.1% -$5.87K 0.81% 45
2015
Q1 		$8.25M Sell
61,415
-3,695
-6% -$476K 0.85% 46
2014
Q4 		$8.16M Buy
65,110
+465
+0.7% +$56.5K 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% +$61.2K 0.79% 49
2014
Q1 		$7.75M Buy
64,495
+3,620
+6% +$430K 0.83% 47
2013
Q4 		$6.78M Sell
60,875
-190
-0.3% -$18.9K 0.68% 50
2013
Q3 		$5.63M Buy
61,065
+75
+0.1% +$6.78K 0.61% 58
2013
Q2 		$5.16M Buy
+60,990
New +$5.08M 0.6% 58

Other funds holding TMO

Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
RG
Rathbones Group Liverpool, United Kingdom $27.1B AUM 20.2% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Handelsbanken Fonder
Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return
LT
Lindsell Train London, United Kingdom $2.63B AUM 2.97% 1-Year Est. Return
ATO
Alecta Tjanstepension Omsesidigt Stockholm, Sweden $23.8B AUM 34.25% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return
QP
Quilter Plc London, United Kingdom $6.65B AUM 37.83% 1-Year Est. Return
CF
Canoe Financial Calgary, Alberta, Canada $8.07B AUM 25.47% 1-Year Est. Return

Chesley Taft & Associates's TMO Position: Q2 2026 in Review

Chesley Taft & Associates increased its Thermo Fisher Scientific (TMO) stake by 1.1% in Q2 2026, buying an estimated $226K and bringing the position to 42,333 shares worth $21.2M. The position accounts for 0.83% of the portfolio, ranked #35.

Chesley Taft & Associates first reported a position in TMO in Q2 2013 and has held it in 53 quarters since. The position peaked at $29.1M in Q4 2021. 794 funds tracked by Wall St. Rank hold TMO as of Q2 2026.

  • Chesley Taft & Associates held 42,333 shares of Thermo Fisher Scientific worth $21.2M as of Q2 2026.
  • Chesley Taft & Associates bought 470 Thermo Fisher Scientific shares in Q2 2026, an estimated $226K.
  • Thermo Fisher Scientific made up 0.83% of Chesley Taft & Associates's portfolio in Q2 2026, its #35 holding.
  • Chesley Taft & Associates first reported a position in Thermo Fisher Scientific in Q2 2013 and has held it in 53 quarters since.
  • Chesley Taft & Associates's Thermo Fisher Scientific position peaked at $29.1M in Q4 2021.
  • 794 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q2 2026.

Based on Chesley Taft & Associates's 13F filing for Q2 2026, filed 8 Jul 2026.