Select Equity Group’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
$147M Sell
299,500
-15,532
-5% -$8.43M 0.75% 38
2025
Q4
$183M Buy
315,032
+153,553
+95% +$86.8M 0.79% 34
2025
Q3
$78.3M Buy
161,479
+15,017
+10% +$6.99M 0.32% 65
2025
Q2
$59.4M Buy
146,462
+10,568
+8% +$4.42M 0.25% 70
2025
Q1
$67.6M Sell
135,894
-65,125
-32% -$35.3M 0.29% 60
2024
Q4
$105M Sell
201,019
-55,366
-22% -$30.4M 0.42% 59
2024
Q3
$159M Sell
256,385
-72,519
-22% -$42.9M 0.57% 48
2024
Q2
$182M Buy
328,904
+18,107
+6% +$10.4M 0.72% 36
2024
Q1
$181M Sell
310,797
-285,597
-48% -$160M 0.64% 41
2023
Q4
$317M Sell
596,394
-47,359
-7% -$22.9M 1.13% 31
2023
Q3
$326M Buy
643,753
+140,220
+28% +$74.7M 1.34% 23
2023
Q2
$263M Buy
503,533
+270,661
+116% +$146M 0.98% 32
2023
Q1
$134M Sell
232,872
-62,243
-21% -$35.1M 0.48% 51
2022
Q4
$163M Buy
295,115
+20,190
+7% +$10.7M 0.61% 43
2022
Q3
$139M Sell
274,925
-34,489
-11% -$19.3M 0.49% 48
2022
Q2
$168M Sell
309,414
-3,894
-1% -$2.14M 0.54% 49
2022
Q1
$185M Sell
313,308
-8,214
-3% -$4.72M 0.6% 46
2021
Q4
$215M Sell
321,522
-147,596
-31% -$92.2M 0.58% 50
2021
Q3
$268M Sell
469,118
-107,134
-19% -$58.8M 0.9% 36
2021
Q2
$291M Buy
576,252
+17,897
+3% +$8.44M 0.99% 33
2021
Q1
$255M Buy
558,355
+11,329
+2% +$5.41M 0.93% 32
2020
Q4
$255M Buy
547,026
+183,871
+51% +$86.2M 1.05% 29
2020
Q3
$160M Sell
363,155
-37,575
-9% -$15.5M 0.79% 37
2020
Q2
$145M Sell
400,730
-18,781
-4% -$6.3M 0.83% 34
2020
Q1
$119M Sell
419,511
-58,453
-12% -$18.4M 0.82% 37
2019
Q4
$155M Buy
477,964
+3,232
+0.7% +$980K 0.98% 36
2019
Q3
$138M Buy
474,732
+51,181
+12% +$14.7M 0.94% 37
2019
Q2
$124M Sell
423,551
-127,338
-23% -$35.1M 0.85% 39
2019
Q1
$151M Sell
550,889
-512,044
-48% -$127M 1.02% 35
2018
Q4
$238M Sell
1,062,933
-74,263
-7% -$17.4M 1.8% 24
2018
Q3
$278M Sell
1,137,196
-7,636
-0.7% -$1.76M 2.05% 15
2018
Q2
$237M Buy
1,144,832
+24,907
+2% +$5.29M 1.91% 22
2018
Q1
$231M Buy
1,119,925
+47,767
+4% +$10M 1.89% 21
2017
Q4
$204M Sell
1,072,158
-74,199
-6% -$14.2M 1.62% 25
2017
Q3
$217M Sell
1,146,357
-26,561
-2% -$4.81M 1.65% 23
2017
Q2
$205M Sell
1,172,918
-1,531,615
-57% -$257M 1.46% 25
2017
Q1
$415M Buy
2,704,533
+125,262
+5% +$19.1M 3.1% 9
2016
Q4
$364M Buy
2,579,271
+295,545
+13% +$43.6M 2.98% 6
2016
Q3
$363M Sell
2,283,726
-70,231
-3% -$10.8M 3.14% 7
2016
Q2
$348M Sell
2,353,957
-444,208
-16% -$65.6M 3.06% 7
2016
Q1
$396M Buy
2,798,165
+1,428,822
+104% +$191M 3.32% 5
2015
Q4
$194M Sell
1,369,343
-167,836
-11% -$22.4M 1.86% 19
2015
Q3
$188M Buy
1,537,179
+241,095
+19% +$31.4M 1.79% 21
2015
Q2
$168M Buy
1,296,084
+442,163
+52% +$57.6M 1.53% 25
2015
Q1
$115M Sell
853,921
-49,990
-6% -$6.44M 1.04% 34
2014
Q4
$113M Buy
903,911
+308,180
+52% +$37.5M 1.06% 33
2014
Q3
$72.5M Buy
595,731
+24,344
+4% +$2.96M 0.75% 44
2014
Q2
$67.4M Buy
571,387
+36,778
+7% +$4.33M 0.69% 46
2014
Q1
$64.3M Buy
534,609
+28,570
+6% +$3.4M 0.7% 44
2013
Q4
$56.3M Buy
506,039
+218,750
+76% +$21.8M 0.59% 46
2013
Q3
$26.5M Sell
287,289
-39,802
-12% -$3.6M 0.36% 59
2013
Q2
$27.7M Buy
+327,091
New +$27.2M 0.39% 52

Other funds holding TMO

Select Equity Group's TMO Position: Q1 2026 in Review

Select Equity Group reduced its Thermo Fisher Scientific (TMO) stake by 4.9% in Q1 2026, selling an estimated $8.43M and leaving 299,500 shares worth $147M. The position accounts for 0.75% of the portfolio, ranked #38.

Select Equity Group first reported a position in TMO in Q2 2013 and has held it in 52 quarters since. The position peaked at $415M in Q1 2017. 2,589 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • Select Equity Group held 299,500 shares of Thermo Fisher Scientific worth $147M as of Q1 2026.
  • Select Equity Group sold 15,532 Thermo Fisher Scientific shares in Q1 2026, an estimated $8.43M.
  • Thermo Fisher Scientific made up 0.75% of Select Equity Group's portfolio in Q1 2026, its #38 holding.
  • Select Equity Group first reported a position in Thermo Fisher Scientific in Q2 2013 and has held it in 52 quarters since.
  • Select Equity Group's Thermo Fisher Scientific position peaked at $415M in Q1 2017.
  • 2,589 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on Select Equity Group's 13F filing for Q1 2026, filed 15 May 2026.