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
$281M Buy
572,177
+35,391
+7% +$19.2M 0.12% 162
2025
Q4
$311M Sell
536,786
-212,763
-28% -$120M 0.14% 124
2025
Q3
$364M Sell
749,549
-93,766
-11% -$43.6M 0.16% 113
2025
Q2
$342M Sell
843,315
-182,078
-18% -$76.1M 0.17% 119
2025
Q1
$510M Buy
1,025,393
+241,087
+31% +$131M 0.26% 61
2024
Q4
$408M Buy
784,306
+88,895
+13% +$48.9M 0.24% 70
2024
Q3
$430M Sell
695,411
-425,302
-38% -$252M 0.25% 70
2024
Q2
$620M Buy
1,120,713
+103,137
+10% +$59.1M 0.4% 42
2024
Q1
$591M Buy
1,017,576
+32,362
+3% +$18.2M 0.39% 38
2023
Q4
$523M Buy
985,214
+174,980
+22% +$84.7M 0.37% 37
2023
Q3
$410M Buy
810,234
+222,621
+38% +$119M 0.31% 49
2023
Q2
$307M Sell
587,613
-178,483
-23% -$96.3M 0.2% 73
2023
Q1
$442M Buy
766,096
+1,809
+0.2% +$1.02M 0.31% 41
2022
Q4
$421M Sell
764,287
-45,610
-6% -$24.2M 0.34% 46
2022
Q3
$411M Buy
809,897
+30,912
+4% +$17.3M 0.29% 48
2022
Q2
$423M Sell
778,985
-202,958
-21% -$112M 0.32% 40
2022
Q1
$580M Buy
981,943
+92,751
+10% +$53.3M 0.35% 31
2021
Q4
$593M Buy
889,192
+12,601
+1% +$7.87M 0.32% 43
2021
Q3
$501M Sell
876,591
-100,270
-10% -$55M 0.3% 44
2021
Q2
$493M Buy
976,861
+7,106
+0.7% +$3.35M 0.3% 53
2021
Q1
$443M Buy
969,755
+190,723
+24% +$91M 0.29% 58
2020
Q4
$363M Sell
779,032
-86,753
-10% -$40.7M 0.21% 78
2020
Q3
$382M Buy
865,785
+166,887
+24% +$68.9M 0.25% 58
2020
Q2
$253M Buy
698,898
+85,151
+14% +$28.5M 0.2% 80
2020
Q1
$174M Sell
613,747
-204,676
-25% -$64.5M 0.16% 99
2019
Q4
$266M Sell
818,423
-91,532
-10% -$27.8M 0.19% 96
2019
Q3
$265M Sell
909,955
-84,503
-8% -$24.2M 0.21% 75
2019
Q2
$292M Buy
994,458
+400,388
+67% +$110M 0.24% 71
2019
Q1
$163M Buy
594,070
+128,891
+28% +$32.1M 0.16% 110
2018
Q4
$104M Buy
465,179
+127,036
+38% +$29.8M 0.11% 178
2018
Q3
$82.5M Sell
338,143
-159,428
-32% -$36.7M 0.07% 236
2018
Q2
$103M Sell
497,571
-216,105
-30% -$45.9M 0.09% 171
2018
Q1
$147M Buy
713,676
+389,311
+120% +$81.7M 0.12% 133
2017
Q4
$61.6M Sell
324,365
-7,310
-2% -$1.4M 0.05% 367
2017
Q3
$62.8M Buy
331,675
+66,176
+25% +$12M 0.05% 325
2017
Q2
$46.3M Sell
265,499
-61,374
-19% -$10.3M 0.04% 388
2017
Q1
$50.2M Buy
326,873
+130,423
+66% +$19.9M 0.04% 359
2016
Q4
$27.7M Sell
196,450
-63,666
-24% -$9.39M 0.03% 605
2016
Q3
$41.4M Sell
260,116
-13,125
-5% -$2.02M 0.04% 395
2016
Q2
$40.4M Buy
273,241
+123,017
+82% +$18.2M 0.04% 379
2016
Q1
$21.3M Sell
150,224
-101,395
-40% -$13.6M 0.02% 574
2015
Q4
$35.7M Buy
251,619
+149,629
+147% +$20M 0.04% 477
2015
Q3
$12.5M Sell
101,990
-66,234
-39% -$8.63M 0.01% 996
2015
Q2
$21.8M Buy
168,224
+40,075
+31% +$5.22M 0.02% 735
2015
Q1
$17.2M Buy
128,149
+30,440
+31% +$3.92M 0.02% 854
2014
Q4
$12.2M Sell
97,709
-16,578
-15% -$2.02M 0.01% 1129
2014
Q3
$13.9M Buy
114,287
+2,093
+2% +$254K 0.01% 1040
2014
Q2
$13.2M Buy
112,194
+900
+0.8% +$106K 0.01% 1069
2014
Q1
$13.4M Sell
111,294
-79,863
-42% -$9.49M 0.01% 965
2013
Q4
$21.3M Sell
191,157
-47,448
-20% -$4.72M 0.02% 734
2013
Q3
$22M Sell
238,605
-111,226
-32% -$10.1M 0.02% 694
2013
Q2
$29.6M Buy
+349,831
New +$29.1M 0.03% 502

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.