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
$4.08M Buy
8,300
+4,800
+137% +$2.6M 0.01% 1458
2025
Q4
$2.03M Sell
3,500
-13,600
-80% -$7.69M ﹤0.01% 2274
2025
Q3
$8.29M Buy
17,100
+4,700
+38% +$2.19M 0.01% 1057
2025
Q2
$5.03M Buy
12,400
+7,300
+143% +$3.05M 0.01% 1323
2025
Q1
$2.54M Buy
5,100
+900
+21% +$487K 0.01% 1616
2024
Q4
$2.18M Buy
4,200
+500
+14% +$275K 0.01% 1833
2024
Q3
$2.29M Buy
3,700
+1,700
+85% +$1.01M 0.01% 1621
2024
Q2
$1.11M Buy
2,000
+1,100
+122% +$630K ﹤0.01% 1907
2024
Q1
$523K Sell
900
-15,600
-95% -$8.75M ﹤0.01% 2685
2023
Q4
$8.76M Sell
16,500
-1,200
-7% -$581K 0.02% 767
2023
Q3
$8.96M Sell
17,700
-900
-5% -$480K 0.03% 580
2023
Q2
$9.7M Sell
18,600
-9,700
-34% -$5.23M 0.03% 529
2023
Q1
$16.3M Sell
28,300
-87,400
-76% -$49.3M 0.06% 269
2022
Q4
$63.7M Buy
115,700
+49,400
+75% +$26.2M 0.15% 108
2022
Q3
$33.6M Sell
66,300
-6,600
-9% -$3.69M 0.07% 218
2022
Q2
$39.6M Sell
72,900
-23,200
-24% -$12.8M 0.06% 246
2022
Q1
$56.8M Buy
96,100
+12,500
+15% +$7.18M 0.06% 222
2021
Q4
$55.8M Buy
83,600
+31,800
+61% +$19.9M 0.04% 283
2021
Q3
$29.6M Sell
51,800
-116,200
-69% -$63.8M 0.03% 440
2021
Q2
$84.8M Buy
168,000
+137,600
+453% +$64.9M 0.1% 140
2021
Q1
$13.9M Buy
30,400
+22,900
+305% +$10.9M 0.02% 735
2020
Q4
$3.49M Buy
7,500
+5,200
+226% +$2.44M 0.01% 1575
2020
Q3
$1.02M Sell
2,300
-1,400
-38% -$578K ﹤0.01% 2179
2020
Q2
$1.34M Buy
3,700
+3,400
+1,133% +$1.14M 0.01% 1776
2020
Q1
$85K Sell
300
-19,500
-98% -$6.15M ﹤0.01% 3411
2019
Q4
$6.43M Sell
19,800
-6,800
-26% -$2.06M 0.04% 537
2019
Q3
$7.75M Buy
26,600
+26,500
+26,500% +$7.59M 0.06% 378
2019
Q2
$29K Sell
100
-400
-80% -$110K ﹤0.01% 4034
2019
Q1
$137K Sell
500
-3,600
-88% -$896K ﹤0.01% 2960
2018
Q4
$918K Sell
4,100
-1,800
-31% -$422K 0.01% 1566
2018
Q3
$1.44M Sell
5,900
-13,500
-70% -$3.11M 0.01% 1405
2018
Q2
$4.02M Buy
19,400
+4,800
+33% +$1.02M 0.03% 653
2018
Q1
$3.01M Buy
14,600
+14,000
+2,333% +$2.94M 0.03% 733
2017
Q4
$114K Sell
600
-7,400
-93% -$1.42M ﹤0.01% 3283
2017
Q3
$1.51M Buy
8,000
+7,600
+1,900% +$1.38M 0.01% 1255
2017
Q2
$70K Sell
400
-400
-50% -$67.2K ﹤0.01% 3327
2017
Q1
$123K Buy
800
+700
+700% +$107K ﹤0.01% 2841
2016
Q4
$14K Sell
100
-6,700
-99% -$988K ﹤0.01% 3844
2016
Q3
$1.08M Buy
6,800
+3,100
+84% +$478K 0.01% 1228
2016
Q2
$547K Buy
+3,700
New +$546K 0.01% 1670
2013
Q4
Sell
-1,300
Closed -$120K 5535
2013
Q3
$120K Sell
1,300
-7,000
-84% -$633K ﹤0.01% 2858
2013
Q2
$702K Buy
+8,300
New +$691K 0.02% 1084

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.