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
$1.18M Sell
2,409
-1,038
-30% -$563K ﹤0.01% 2553
2025
Q4
$2M Buy
3,447
+423
+14% +$239K ﹤0.01% 2285
2025
Q3
$1.47M Buy
3,024
+1,116
+58% +$519K ﹤0.01% 2630
2025
Q2
$774K Buy
+1,908
New +$798K ﹤0.01% 2997
2025
Q1
Sell
-5,506
Closed -$2.98M 8377
2024
Q4
$2.86M Buy
5,506
+1,718
+45% +$945K 0.01% 1608
2024
Q3
$2.34M Sell
3,788
-400
-10% -$237K 0.01% 1603
2024
Q2
$2.32M Buy
4,188
+222
+6% +$127K 0.01% 1323
2024
Q1
$2.31M Buy
3,966
+1,120
+39% +$628K 0.01% 1385
2023
Q4
$1.51M Buy
2,846
+867
+44% +$420K ﹤0.01% 2091
2023
Q3
$1M Sell
1,979
-1,954
-50% -$1.04M ﹤0.01% 2269
2023
Q2
$2.05M Sell
3,933
-5,388
-58% -$2.91M 0.01% 1693
2023
Q1
$5.37M Sell
9,321
-1,195
-11% -$674K 0.02% 805
2022
Q4
$5.79M Buy
10,516
+4,427
+73% +$2.35M 0.01% 1053
2022
Q3
$3.09M Sell
6,089
-12,782
-68% -$7.15M 0.01% 1552
2022
Q2
$10.3M Buy
+18,871
New +$10.4M 0.02% 820
2022
Q1
Sell
-11,878
Closed -$6.82M 8709
2021
Q4
$7.92M Sell
11,878
-2,303
-16% -$1.44M 0.01% 1300
2021
Q3
$8.1M Sell
14,181
-945
-6% -$519K 0.01% 1239
2021
Q2
$7.63M Buy
15,126
+10,529
+229% +$4.97M 0.01% 1305
2021
Q1
$2.1M Buy
+4,597
New +$2.19M ﹤0.01% 2414
2019
Q3
Sell
-278
Closed -$79.6K 5553
2019
Q2
$82K Sell
278
-441
-61% -$121K ﹤0.01% 3496
2019
Q1
$197K Buy
+719
New +$179K ﹤0.01% 2721
2018
Q1
Sell
-1,740
Closed -$365K 5309
2017
Q4
$330K Buy
+1,740
New +$333K ﹤0.01% 2578
2017
Q1
Sell
-1,000
Closed -$153K 4998
2016
Q4
$141K Buy
+1,000
New +$147K ﹤0.01% 2639
2016
Q2
Sell
-300
Closed -$44.3K 4949
2016
Q1
$42K Buy
+300
New +$40.2K ﹤0.01% 3354
2014
Q1
Sell
-775
Closed -$86K 5576
2013
Q4
$86K Sell
775
-1,000
-56% -$99.4K ﹤0.01% 3173
2013
Q3
$164K Buy
1,775
+741
+72% +$67K ﹤0.01% 2555
2013
Q2
$88K Buy
+1,034
New +$86.1K ﹤0.01% 2932

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.