DF Dent & Co’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
$46.2M Sell
93,940
-86,043
-48% -$46.7M 0.88% 38
2025
Q4
$104M Sell
179,983
-21,726
-11% -$12.3M 1.5% 24
2025
Q3
$97.8M Sell
201,709
-8,038
-4% -$3.74M 1.26% 30
2025
Q2
$85M Sell
209,747
-2,752
-1% -$1.15M 1.08% 32
2025
Q1
$106M Sell
212,499
-5,805
-3% -$3.14M 1.41% 25
2024
Q4
$114M Sell
218,304
-6,475
-3% -$3.56M 1.44% 27
2024
Q3
$139M Sell
224,779
-3,912
-2% -$2.32M 1.69% 24
2024
Q2
$126M Sell
228,691
-5,070
-2% -$2.9M 1.63% 25
2024
Q1
$136M Sell
233,761
-1,136
-0.5% -$637K 1.66% 26
2023
Q4
$125M Sell
234,897
-2,971
-1% -$1.44M 1.65% 26
2023
Q3
$120M Sell
237,868
-670
-0.3% -$357K 1.76% 25
2023
Q2
$124M Sell
238,538
-7,451
-3% -$4.02M 1.68% 28
2023
Q1
$142M Sell
245,989
-5,879
-2% -$3.31M 2% 20
2022
Q4
$139M Sell
251,868
-12,034
-5% -$6.38M 2.07% 20
2022
Q3
$134M Sell
263,902
-9,317
-3% -$5.21M 2.07% 22
2022
Q2
$148M Sell
273,219
-27,990
-9% -$15.4M 2.09% 20
2022
Q1
$178M Sell
301,209
-2,039
-0.7% -$1.17M 2.05% 23
2021
Q4
$202M Sell
303,248
-17,737
-6% -$11.1M 2.03% 22
2021
Q3
$183M Sell
320,985
-5,417
-2% -$2.97M 1.88% 27
2021
Q2
$165M Sell
326,402
-3,332
-1% -$1.57M 1.75% 30
2021
Q1
$150M Buy
329,734
+418
+0.1% +$200K 1.75% 30
2020
Q4
$153M Buy
329,316
+1,552
+0.5% +$728K 1.78% 26
2020
Q3
$145M Sell
327,764
-2,437
-0.7% -$1.01M 1.95% 26
2020
Q2
$120M Buy
330,201
+2,782
+0.8% +$932K 1.81% 29
2020
Q1
$92.9M Buy
327,419
+13,795
+4% +$4.35M 1.79% 27
2019
Q4
$102M Sell
313,624
-6,673
-2% -$2.02M 1.72% 28
2019
Q3
$93.3M Buy
320,297
+105,732
+49% +$30.3M 1.67% 28
2019
Q2
$63M Buy
214,565
+81,966
+62% +$22.6M 1.15% 37
2019
Q1
$36.3M Buy
132,599
+51,489
+63% +$12.8M 0.72% 40
2018
Q4
$18.2M Buy
+81,110
New +$19M 0.45% 48

Other funds holding TMO

DF Dent & Co's TMO Position: Q1 2026 in Review

DF Dent & Co reduced its Thermo Fisher Scientific (TMO) stake by 48% in Q1 2026, selling an estimated $46.7M and leaving 93,940 shares worth $46.2M. The position accounts for 0.88% of the portfolio, ranked #38.

DF Dent & Co first reported a position in TMO in Q4 2018 and has held it in 30 quarters since. The position peaked at $202M in Q4 2021. 2,587 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • DF Dent & Co held 93,940 shares of Thermo Fisher Scientific worth $46.2M as of Q1 2026.
  • DF Dent & Co sold 86,043 Thermo Fisher Scientific shares in Q1 2026, an estimated $46.7M.
  • Thermo Fisher Scientific made up 0.88% of DF Dent & Co's portfolio in Q1 2026, its #38 holding.
  • DF Dent & Co first reported a position in Thermo Fisher Scientific in Q4 2018 and has held it in 30 quarters since.
  • DF Dent & Co's Thermo Fisher Scientific position peaked at $202M in Q4 2021.
  • 2,587 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on DF Dent & Co's 13F filing for Q1 2026, filed 15 May 2026.