Dundas Partners’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
2026
Q1
$47.9M Sell
97,396
-1,010
-1% -$548K 3.82% 10
2025
Q4
$57M Buy
98,406
+3,175
+3% +$1.8M 4.02% 9
2025
Q3
$46.2M Buy
95,231
+2,038
+2% +$949K 3.26% 14
2025
Q2
$37.8M Buy
93,193
+18,041
+24% +$7.54M 2.63% 18
2025
Q1
$37.4M Buy
75,152
+4,914
+7% +$2.66M 2.75% 17
2024
Q4
$36.5M Hold
70,238
2.56% 19
2024
Q3
$43.4M Hold
70,238
3.13% 12
2024
Q2
$38.8M Buy
70,238
+664
+1% +$380K 3.01% 12
2024
Q1
$40.4M Buy
69,574
+6,923
+11% +$3.88M 3.18% 11
2023
Q4
$33.3M Buy
62,651
+886
+1% +$429K 2.9% 16
2023
Q3
$31.3M Buy
61,765
+8,477
+16% +$4.52M 3.07% 14
2023
Q2
$27.8M Hold
53,288
2.62% 22
2023
Q1
$30.7M Sell
53,288
-137
-0.3% -$77.2K 3.21% 11
2022
Q4
$29.4M Buy
53,425
+849
+2% +$450K 3.2% 13
2022
Q3
$26.7M Hold
52,576
3.1% 13
2022
Q2
$28.6M Hold
52,576
3.09% 11
2022
Q1
$31.1M Buy
52,576
+11,730
+29% +$6.74M 2.82% 16
2021
Q4
$23.5M Buy
40,846
+2,278
+6% +$1.42M 2.92% 16
2021
Q3
$22M Hold
38,568
3.11% 13
2021
Q2
$19.5M Hold
38,568
2.82% 16
2021
Q1
$17.6M Hold
38,568
2.79% 16
2020
Q4
$21.5M Hold
38,568
3.14% 13
2020
Q3
$17M Hold
38,568
3.42% 10
2020
Q2
$14M Hold
38,568
3.06% 14
2020
Q1
$11M Hold
38,568
2.87% 16
2019
Q4
$12.5M Hold
38,568
2.83% 19
2019
Q3
$11.2M Hold
38,568
2.8% 19
2019
Q2
$11.3M Buy
38,568
+350
+0.9% +$96.4K 2.65% 18
2019
Q1
$10.4M Hold
38,218
2.56% 20
2018
Q4
$11.2M Hold
38,218
2.45% 22
2018
Q3
$11.9M Buy
38,218
+8,397
+28% +$1.93M 2.41% 26
2018
Q2
$6.19M Sell
29,821
-6,402
-18% -$1.36M 2.11% 25
2018
Q1
$7.1M Buy
+36,223
New +$7.6M 2.2% 26

Other funds holding TMO

Dundas Partners's TMO Position: Q1 2026 in Review

Dundas Partners reduced its Thermo Fisher Scientific (TMO) stake by 1% in Q1 2026, selling an estimated $548K and leaving 97,396 shares worth $47.9M. The position accounts for 3.82% of the portfolio, ranked #10.

Dundas Partners first reported a position in TMO in Q1 2018 and has held it in 33 quarters since. The position peaked at $57M in Q4 2025. 2,590 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • Dundas Partners held 97,396 shares of Thermo Fisher Scientific worth $47.9M as of Q1 2026.
  • Dundas Partners sold 1,010 Thermo Fisher Scientific shares in Q1 2026, an estimated $548K.
  • Thermo Fisher Scientific made up 3.82% of Dundas Partners's portfolio in Q1 2026, its #10 holding.
  • Dundas Partners first reported a position in Thermo Fisher Scientific in Q1 2018 and has held it in 33 quarters since.
  • Dundas Partners's Thermo Fisher Scientific position peaked at $57M in Q4 2025.
  • 2,590 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on Dundas Partners's 13F filing for Q1 2026, filed 14 May 2026.