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
$7.08M Sell
14,400
-3,500
-20% -$1.9M ﹤0.01% 1703
2025
Q4
$10.4M Buy
17,900
+5,300
+42% +$3M ﹤0.01% 1498
2025
Q3
$6.11M Sell
12,600
-25,100
-67% -$11.7M ﹤0.01% 1837
2025
Q2
$15.3M Buy
37,700
+29,600
+365% +$12.4M 0.01% 1121
2025
Q1
$4.03M Sell
8,100
-7,200
-47% -$3.9M ﹤0.01% 2103
2024
Q4
$7.96M Buy
15,300
+800
+6% +$440K ﹤0.01% 1549
2024
Q3
$8.97M Sell
14,500
-6,500
-31% -$3.85M 0.01% 1397
2024
Q2
$11.6M Sell
21,000
-4,100
-16% -$2.35M 0.01% 1173
2024
Q1
$14.6M Sell
25,100
-65,200
-72% -$36.6M 0.01% 1043
2023
Q4
$47.9M Buy
90,300
+67,200
+291% +$32.5M 0.03% 474
2023
Q3
$11.7M Sell
23,100
-33,700
-59% -$18M 0.01% 1030
2023
Q2
$29.6M Sell
56,800
-42,900
-43% -$23.2M 0.02% 651
2023
Q1
$57.5M Buy
99,700
+36,900
+59% +$20.8M 0.04% 359
2022
Q4
$34.6M Buy
62,800
+44,000
+234% +$23.3M 0.03% 536
2022
Q3
$9.54M Sell
18,800
-35,000
-65% -$19.6M 0.01% 1167
2022
Q2
$29.2M Buy
53,800
+19,600
+57% +$10.8M 0.02% 623
2022
Q1
$20.2M Sell
34,200
-55,000
-62% -$31.6M 0.01% 943
2021
Q4
$59.5M Sell
89,200
-92,200
-51% -$57.6M 0.03% 502
2021
Q3
$104M Buy
181,400
+30,400
+20% +$16.7M 0.06% 285
2021
Q2
$76.2M Buy
151,000
+37,900
+34% +$17.9M 0.05% 381
2021
Q1
$51.6M Sell
113,100
-49,500
-30% -$23.6M 0.03% 483
2020
Q4
$75.7M Buy
162,600
+114,900
+241% +$53.9M 0.04% 366
2020
Q3
$21.1M Sell
47,700
-64,900
-58% -$26.8M 0.01% 878
2020
Q2
$40.8M Buy
112,600
+44,000
+64% +$14.7M 0.03% 467
2020
Q1
$19.5M Buy
68,600
+29,100
+74% +$9.18M 0.02% 752
2019
Q4
$12.8M Buy
39,500
+1,500
+4% +$455K 0.01% 1274
2019
Q3
$11.1M Buy
38,000
+15,600
+70% +$4.47M 0.01% 1318
2019
Q2
$6.58M Sell
22,400
-4,500
-17% -$1.24M 0.01% 1745
2019
Q1
$7.36M Sell
26,900
-11,700
-30% -$2.91M 0.01% 1482
2018
Q4
$8.64M Sell
38,600
-8,100
-17% -$1.9M 0.01% 1367
2018
Q3
$11.4M Buy
46,700
+23,500
+101% +$5.41M 0.01% 1195
2018
Q2
$4.81M Buy
23,200
+500
+2% +$106K ﹤0.01% 1866
2018
Q1
$4.69M Sell
22,700
-46,900
-67% -$9.84M ﹤0.01% 1832
2017
Q4
$13.2M Buy
69,600
+48,000
+222% +$9.2M 0.01% 1090
2017
Q3
$4.09M Sell
21,600
-5,300
-20% -$960K ﹤0.01% 1948
2017
Q2
$4.69M Sell
26,900
-3,100
-10% -$521K ﹤0.01% 1744
2017
Q1
$4.61M Sell
30,000
-4,500
-13% -$688K ﹤0.01% 1733
2016
Q4
$4.87M Sell
34,500
-15,200
-31% -$2.24M ﹤0.01% 1870
2016
Q3
$7.91M Sell
49,700
-19,300
-28% -$2.97M 0.01% 1259
2016
Q2
$10.2M Buy
69,000
+39,400
+133% +$5.82M 0.01% 1024
2016
Q1
$4.19M Sell
29,600
-102,500
-78% -$13.7M ﹤0.01% 1705
2015
Q4
$18.7M Sell
132,100
-9,200
-7% -$1.23M 0.02% 754
2015
Q3
$17.3M Buy
141,300
+5,700
+4% +$743K 0.02% 792
2015
Q2
$17.6M Buy
135,600
+16,800
+14% +$2.19M 0.02% 853
2015
Q1
$16M Sell
118,800
-4,900
-4% -$632K 0.02% 903
2014
Q4
$15.5M Sell
123,700
-300
-0.2% -$36.5K 0.01% 951
2014
Q3
$15.1M Buy
124,000
+95,500
+335% +$11.6M 0.01% 985
2014
Q2
$3.36M Buy
+28,500
New +$3.35M ﹤0.01% 2116

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.