Citigroup’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
$12.2M Buy
24,800
+4,700
+23% +$2.55M 0.01% 1347
2025
Q4
$11.6M Sell
20,100
-24,000
-54% -$13.6M 0.01% 1418
2025
Q3
$21.4M Sell
44,100
-76,000
-63% -$35.4M 0.01% 1020
2025
Q2
$48.7M Buy
120,100
+70,400
+142% +$29.4M 0.02% 602
2025
Q1
$24.7M Sell
49,700
-43,100
-46% -$23.3M 0.01% 852
2024
Q4
$48.3M Buy
92,800
+32,100
+53% +$17.6M 0.03% 530
2024
Q3
$37.5M Sell
60,700
-5,200
-8% -$3.08M 0.02% 653
2024
Q2
$36.4M Sell
65,900
-12,300
-16% -$7.05M 0.02% 630
2024
Q1
$45.5M Sell
78,200
-22,800
-23% -$12.8M 0.03% 531
2023
Q4
$53.6M Buy
101,000
+26,300
+35% +$12.7M 0.04% 433
2023
Q3
$37.8M Buy
74,700
+7,800
+12% +$4.16M 0.03% 531
2023
Q2
$34.9M Buy
66,900
+5,000
+8% +$2.7M 0.02% 584
2023
Q1
$35.7M Buy
61,900
+11,300
+22% +$6.37M 0.03% 531
2022
Q4
$27.9M Buy
50,600
+25,700
+103% +$13.6M 0.02% 641
2022
Q3
$12.6M Sell
24,900
-5,700
-19% -$3.19M 0.01% 1028
2022
Q2
$16.6M Sell
30,600
-11,300
-27% -$6.22M 0.01% 886
2022
Q1
$24.7M Sell
41,900
-25,500
-38% -$14.6M 0.02% 833
2021
Q4
$45M Sell
67,400
-9,400
-12% -$5.87M 0.02% 601
2021
Q3
$43.9M Sell
76,800
-38,000
-33% -$20.9M 0.03% 590
2021
Q2
$57.9M Buy
114,800
+53,300
+87% +$25.1M 0.03% 472
2021
Q1
$28.1M Sell
61,500
-63,300
-51% -$30.2M 0.02% 765
2020
Q4
$58.1M Buy
124,800
+200
+0.2% +$93.8K 0.03% 469
2020
Q3
$55M Buy
124,600
+10,700
+9% +$4.42M 0.04% 411
2020
Q2
$41.3M Hold
113,900
0.03% 460
2020
Q1
$32.3M Buy
113,900
+31,100
+38% +$9.81M 0.03% 522
2019
Q4
$26.9M Buy
82,800
+40,100
+94% +$12.2M 0.02% 800
2019
Q3
$12.4M Buy
42,700
+35,600
+501% +$10.2M 0.01% 1241
2019
Q2
$2.08M Sell
7,100
-17,300
-71% -$4.76M ﹤0.01% 2796
2019
Q1
$6.68M Sell
24,400
-11,400
-32% -$2.84M 0.01% 1561
2018
Q4
$8.01M Buy
35,800
+8,400
+31% +$1.97M 0.01% 1426
2018
Q3
$6.69M Sell
27,400
-1,300
-5% -$299K 0.01% 1581
2018
Q2
$5.95M Buy
28,700
+3,300
+13% +$700K 0.01% 1675
2018
Q1
$5.24M Sell
25,400
-19,900
-44% -$4.18M ﹤0.01% 1707
2017
Q4
$8.6M Buy
45,300
+13,700
+43% +$2.62M 0.01% 1395
2017
Q3
$5.98M Buy
31,600
+12,300
+64% +$2.23M ﹤0.01% 1591
2017
Q2
$3.37M Sell
19,300
-14,200
-42% -$2.39M ﹤0.01% 2063
2017
Q1
$5.15M Sell
33,500
-20,300
-38% -$3.1M ﹤0.01% 1646
2016
Q4
$7.59M Buy
53,800
+28,200
+110% +$4.16M 0.01% 1426
2016
Q3
$4.07M Buy
25,600
+7,500
+41% +$1.16M ﹤0.01% 1848
2016
Q2
$2.67M Sell
18,100
-8,300
-31% -$1.23M ﹤0.01% 2117
2016
Q1
$3.74M Sell
26,400
-41,300
-61% -$5.53M ﹤0.01% 1822
2015
Q4
$9.6M Buy
67,700
+29,300
+76% +$3.91M 0.01% 1183
2015
Q3
$4.7M Sell
38,400
-19,600
-34% -$2.55M ﹤0.01% 1714
2015
Q2
$7.53M Buy
58,000
+15,000
+35% +$1.96M 0.01% 1415
2015
Q1
$5.78M Buy
43,000
+17,700
+70% +$2.28M 0.01% 1617
2014
Q4
$3.17M Buy
25,300
+10,600
+72% +$1.29M ﹤0.01% 2134
2014
Q3
$1.79M Buy
14,700
+9,500
+183% +$1.16M ﹤0.01% 2625
2014
Q2
$614K Buy
+5,200
New +$612K ﹤0.01% 3320

Other funds holding TMO

Citigroup's TMO Position: Q1 2026 in Review

Citigroup increased its Thermo Fisher Scientific (TMO) stake by 6.6% in Q1 2026, buying an estimated $19.2M and bringing the position to 572,177 shares worth $281M. The position accounts for 0.12% of the portfolio, ranked #162.

Citigroup first reported a position in TMO in Q2 2013 and has held it in 52 quarters since. The position peaked at $620M in Q2 2024. 2,587 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • Citigroup held 572,177 shares of Thermo Fisher Scientific worth $281M as of Q1 2026.
  • Citigroup bought 35,391 Thermo Fisher Scientific shares in Q1 2026, an estimated $19.2M.
  • Thermo Fisher Scientific made up 0.12% of Citigroup's portfolio in Q1 2026, its #162 holding.
  • Citigroup first reported a position in Thermo Fisher Scientific in Q2 2013 and has held it in 52 quarters since.
  • Citigroup's Thermo Fisher Scientific position peaked at $620M in Q2 2024.
  • 2,587 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.