Group One Trading’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
$16.2M Sell
33,000
-37,100
-53% -$20.1M 0.03% 591
2025
Q4
$40.6M Buy
70,100
+32,400
+86% +$18.3M 0.07% 261
2025
Q3
$18.3M Buy
37,700
+16,800
+80% +$7.82M 0.03% 541
2025
Q2
$8.47M Buy
20,900
+19,600
+1,508% +$8.19M 0.02% 933
2025
Q1
$647K Sell
1,300
-700
-35% -$379K ﹤0.01% 2846
2024
Q4
$1.04M Sell
2,000
-1,200
-38% -$660K ﹤0.01% 2547
2024
Q3
$1.98M Buy
3,200
+2,600
+433% +$1.54M 0.01% 1720
2024
Q2
$332K Sell
600
-700
-54% -$401K ﹤0.01% 2941
2024
Q1
$756K Sell
1,300
-600
-32% -$337K ﹤0.01% 2339
2023
Q4
$1.01M Sell
1,900
-3,800
-67% -$1.84M ﹤0.01% 2456
2023
Q3
$2.89M Buy
5,700
+100
+2% +$53.3K 0.01% 1340
2023
Q2
$2.92M Sell
5,600
-20,300
-78% -$11M 0.01% 1384
2023
Q1
$14.9M Sell
25,900
-10,300
-28% -$5.81M 0.05% 302
2022
Q4
$19.9M Sell
36,200
-14,400
-28% -$7.63M 0.05% 410
2022
Q3
$25.7M Sell
50,600
-7,600
-13% -$4.25M 0.05% 298
2022
Q2
$31.6M Sell
58,200
-11,100
-16% -$6.11M 0.05% 311
2022
Q1
$40.9M Sell
69,300
-3,200
-4% -$1.84M 0.04% 313
2021
Q4
$48.4M Sell
72,500
-23,500
-24% -$14.7M 0.04% 323
2021
Q3
$54.8M Buy
96,000
+55,400
+136% +$30.4M 0.06% 259
2021
Q2
$20.5M Buy
40,600
+22,500
+124% +$10.6M 0.02% 616
2021
Q1
$8.26M Buy
18,100
+15,300
+546% +$7.3M 0.01% 1089
2020
Q4
$1.3M Buy
2,800
+2,600
+1,300% +$1.22M ﹤0.01% 2408
2020
Q3
$88K Buy
+200
New +$82.6K ﹤0.01% 4275
2019
Q4
Sell
-2,100
Closed -$612K 5619
2019
Q3
$612K Buy
+2,100
New +$601K ﹤0.01% 2157
2019
Q2
Sell
-200
Closed -$55K 5390
2019
Q1
$55K Sell
200
-6,800
-97% -$1.69M ﹤0.01% 3519
2018
Q4
$1.57M Buy
7,000
+2,000
+40% +$469K 0.01% 1186
2018
Q3
$1.22M Sell
5,000
-6,100
-55% -$1.4M 0.01% 1538
2018
Q2
$2.3M Buy
11,100
+10,400
+1,486% +$2.21M 0.02% 1035
2018
Q1
$145K Sell
700
-5,100
-88% -$1.07M ﹤0.01% 3011
2017
Q4
$1.1M Buy
5,800
+4,600
+383% +$881K 0.01% 1625
2017
Q3
$227K Hold
1,200
﹤0.01% 2680
2017
Q2
$209K Sell
1,200
-1,000
-45% -$168K ﹤0.01% 2614
2017
Q1
$338K Sell
2,200
-200
-8% -$30.6K ﹤0.01% 2146
2016
Q4
$339K Sell
2,400
-6,000
-71% -$885K ﹤0.01% 2040
2016
Q3
$1.34M Buy
8,400
+8,200
+4,100% +$1.26M 0.01% 1086
2016
Q2
$30K Sell
200
-800
-80% -$118K ﹤0.01% 3606
2016
Q1
$142K Buy
+1,000
New +$134K ﹤0.01% 2567
2013
Q4
Sell
-4,000
Closed -$369K 5536
2013
Q3
$369K Sell
4,000
-9,300
-70% -$841K 0.01% 1871
2013
Q2
$1.13M Buy
+13,300
New +$1.11M 0.03% 738

Other funds holding TMO

Group One Trading's TMO Position: Q1 2026 in Review

Group One Trading reduced its Thermo Fisher Scientific (TMO) stake by 30% in Q1 2026, selling an estimated $563K and leaving 2,409 shares worth $1.18M. The position accounts for ﹤0.01% of the portfolio, ranked #2553.

Group One Trading first reported a position in TMO in Q2 2013 and has held it in 27 quarters since. The position peaked at $10.3M in Q2 2022. 2,587 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • Group One Trading held 2,409 shares of Thermo Fisher Scientific worth $1.18M as of Q1 2026.
  • Group One Trading sold 1,038 Thermo Fisher Scientific shares in Q1 2026, an estimated $563K.
  • Thermo Fisher Scientific made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #2553 holding.
  • Group One Trading first reported a position in Thermo Fisher Scientific in Q2 2013 and has held it in 27 quarters since.
  • Group One Trading's Thermo Fisher Scientific position peaked at $10.3M in Q2 2022.
  • 2,587 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.