First Manhattan’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
$377M Sell
767,160
-1,750
-0.2% -$950K 1.05% 23
2025
Q4
$446M Sell
768,910
-6,270
-0.8% -$3.55M 1.17% 19
2025
Q3
$376M Sell
775,180
-181,524
-19% -$84.5M 0.99% 22
2025
Q2
$388M Buy
956,704
+8,141
+0.9% +$3.4M 1.1% 19
2025
Q1
$472M Buy
948,563
+57,242
+6% +$31M 1.38% 12
2024
Q4
$464M Buy
891,321
+4,991
+0.6% +$2.74M 1.36% 14
2024
Q3
$549M Sell
886,330
-19,302
-2% -$11.4M 1.63% 11
2024
Q2
$501M Sell
905,632
-7,885
-0.9% -$4.52M 1.61% 12
2024
Q1
$531M Sell
913,517
-4,294
-0.5% -$2.41M 1.72% 11
2023
Q4
$485M Sell
917,811
-102,628
-10% -$49.7M 1.68% 12
2023
Q3
$515M Buy
1,020,439
+58,734
+6% +$31.3M 1.9% 12
2023
Q2
$500M Buy
961,705
+236,861
+33% +$128M 1.83% 11
2023
Q1
$418M Buy
724,844
+72,792
+11% +$41M 1.6% 13
2022
Q4
$359M Buy
652,052
+13,055
+2% +$6.92M 1.32% 12
2022
Q3
$323M Sell
638,997
-4,474
-0.7% -$2.5M 1.37% 12
2022
Q2
$348M Buy
643,471
+12,837
+2% +$7.07M 1.4% 12
2022
Q1
$372M Sell
630,634
-4,491
-0.7% -$2.58M 1.22% 14
2021
Q4
$424M Sell
635,125
-2,780
-0.4% -$1.74M 1.4% 14
2021
Q3
$364M Buy
637,905
+2,789
+0.4% +$1.53M 1.34% 15
2021
Q2
$320M Buy
635,116
+90,345
+17% +$42.6M 1.17% 16
2021
Q1
$249M Buy
544,771
+1,922
+0.4% +$917K 1.07% 18
2020
Q4
$253M Sell
542,849
-9,896
-2% -$4.64M 1.21% 17
2020
Q3
$244M Buy
552,745
+13,834
+3% +$5.72M 1.26% 13
2020
Q2
$195M Sell
538,911
-17,342
-3% -$5.81M 1.13% 17
2020
Q1
$158M Sell
556,253
-4,702
-0.8% -$1.48M 1.02% 15
2019
Q4
$182M Sell
560,955
-7,069
-1% -$2.14M 0.91% 20
2019
Q3
$165M Sell
568,024
-181
-0% -$51.8K 0.91% 19
2019
Q2
$167M Buy
568,205
+60,829
+12% +$16.8M 0.93% 18
2019
Q1
$139M Buy
507,376
+18,184
+4% +$4.53M 0.8% 25
2018
Q4
$109M Sell
489,192
-12,370
-2% -$2.9M 0.68% 27
2018
Q3
$122M Sell
501,562
-7,253
-1% -$1.67M 0.65% 28
2018
Q2
$105M Sell
508,815
-7,483
-1% -$1.59M 0.61% 30
2018
Q1
$107M Sell
516,298
-13,398
-3% -$2.81M 0.61% 27
2017
Q4
$101M Sell
529,696
-2,419
-0.5% -$463K 0.55% 29
2017
Q3
$101M Sell
532,115
-1,726
-0.3% -$313K 0.58% 29
2017
Q2
$93.1M Sell
533,841
-6,540
-1% -$1.1M 0.54% 33
2017
Q1
$83M Sell
540,381
-76,957
-12% -$11.8M 0.49% 38
2016
Q4
$87.1M Sell
617,338
-3,084
-0.5% -$455K 0.53% 35
2016
Q3
$98.7M Buy
620,422
+1,245
+0.2% +$192K 0.6% 32
2016
Q2
$91.5M Buy
619,177
+17,375
+3% +$2.56M 0.56% 32
2016
Q1
$85.2M Buy
601,802
+183,070
+44% +$24.5M 0.52% 37
2015
Q4
$59.4M Buy
418,732
+417,650
+38,600% +$55.7M 0.36% 51
2015
Q3
$132K Hold
1,082
﹤0.01% 751
2015
Q2
$140K Hold
1,082
﹤0.01% 763
2015
Q1
$145K Sell
1,082
-750
-41% -$96.7K ﹤0.01% 760
2014
Q4
$229K Buy
1,832
+750
+69% +$91.2K ﹤0.01% 674
2014
Q3
$131K Hold
1,082
﹤0.01% 765
2014
Q2
$127K Sell
1,082
-490
-31% -$57.7K ﹤0.01% 769
2014
Q1
$189K Buy
1,572
+9
+0.6% +$1.07K ﹤0.01% 682
2013
Q4
$174K Buy
1,563
+433
+38% +$43.1K ﹤0.01% 694
2013
Q3
$104K Hold
1,130
﹤0.01% 780
2013
Q2
$102K Buy
+1,130
New +$94.1K ﹤0.01% 783

Other funds holding TMO

First Manhattan's TMO Position: Q1 2026 in Review

First Manhattan reduced its Thermo Fisher Scientific (TMO) stake by 0.23% in Q1 2026, selling an estimated $950K and leaving 767,160 shares worth $377M. The position accounts for 1.05% of the portfolio, ranked #23.

First Manhattan first reported a position in TMO in Q2 2013 and has held it in 52 quarters since. The position peaked at $549M in Q3 2024. 2,587 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • First Manhattan held 767,160 shares of Thermo Fisher Scientific worth $377M as of Q1 2026.
  • First Manhattan sold 1,750 Thermo Fisher Scientific shares in Q1 2026, an estimated $950K.
  • Thermo Fisher Scientific made up 1.05% of First Manhattan's portfolio in Q1 2026, its #23 holding.
  • First Manhattan first reported a position in Thermo Fisher Scientific in Q2 2013 and has held it in 52 quarters since.
  • First Manhattan's Thermo Fisher Scientific position peaked at $549M in Q3 2024.
  • 2,587 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on First Manhattan's 13F filing for Q1 2026, filed 15 May 2026.