Loomis, Sayles & Company’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
$670M Sell
1,363,758
-14,711
-1% -$7.98M 0.9% 25
2025
Q4
$799M Sell
1,378,469
-34,214
-2% -$19.3M 0.96% 22
2025
Q3
$685M Sell
1,412,683
-1,709
-0.1% -$795K 0.82% 26
2025
Q2
$573M Buy
1,414,392
+67,412
+5% +$28.2M 0.72% 28
2025
Q1
$670M Buy
1,346,980
+93,627
+7% +$50.7M 0.97% 25
2024
Q4
$652M Sell
1,253,353
-44,659
-3% -$24.6M 0.82% 25
2024
Q3
$803M Sell
1,298,012
-24,151
-2% -$14.3M 1.05% 22
2024
Q2
$731M Buy
1,322,163
+165,144
+14% +$94.6M 1.01% 24
2024
Q1
$672M Buy
1,157,019
+1,705
+0.1% +$957K 0.96% 27
2023
Q4
$613M Buy
1,155,314
+181,723
+19% +$88M 0.94% 28
2023
Q3
$493M Buy
973,591
+967,913
+17,047% +$516M 0.85% 29
2023
Q2
$2.96M Sell
5,678
-395
-7% -$213K ﹤0.01% 427
2023
Q1
$3.5M Buy
6,073
+149
+3% +$84K 0.01% 418
2022
Q4
$3.26M Buy
5,924
+1,944
+49% +$1.03M 0.01% 399
2022
Q3
$2.02M Sell
3,980
-13,407
-77% -$7.5M ﹤0.01% 406
2022
Q2
$9.45M Sell
17,387
-2,457
-12% -$1.35M 0.02% 358
2022
Q1
$11.7M Buy
19,844
+16,853
+563% +$9.68M 0.02% 354
2021
Q4
$2M Sell
2,991
-580
-16% -$362K ﹤0.01% 452
2021
Q3
$2.04M Sell
3,571
-389
-10% -$214K ﹤0.01% 449
2021
Q2
$2M Buy
3,960
+389
+11% +$184K ﹤0.01% 444
2021
Q1
$1.63M Buy
3,571
+250
+8% +$119K ﹤0.01% 462
2020
Q4
$1.55M Buy
3,321
+2,732
+464% +$1.28M ﹤0.01% 455
2020
Q3
$260K Buy
589
+447
+315% +$185K ﹤0.01% 497
2020
Q2
$51K Sell
142
-7
-5% -$2.35K ﹤0.01% 545
2020
Q1
$42K Sell
149
-522
-78% -$165K ﹤0.01% 561
2019
Q4
$218K Buy
671
+60
+10% +$18.2K ﹤0.01% 524
2019
Q3
$178K Sell
611
-13,590
-96% -$3.89M ﹤0.01% 519
2019
Q2
$4.17M Sell
14,201
-3,388
-19% -$933K 0.01% 437
2019
Q1
$4.81M Buy
17,589
+7,956
+83% +$1.98M 0.01% 439
2018
Q4
$2.16M Buy
9,633
+9,578
+17,415% +$2.25M 0.01% 502
2018
Q3
$13K Buy
+55
New +$12.7K ﹤0.01% 783
2017
Q4
Sell
-132
Closed -$25K 934
2017
Q3
$25K Sell
132
-5
-4% -$906 ﹤0.01% 730
2017
Q2
$24K Buy
+137
New +$23K ﹤0.01% 746
2016
Q4
Sell
-3
Closed 1103
2016
Q3
$0 Buy
+3
New +$462 ﹤0.01% 1069
2015
Q4
Sell
-42
Closed -$5K 1114
2015
Q3
$5K Buy
+42
New +$5.47K ﹤0.01% 950
2014
Q3
Sell
-253,653
Closed -$29.9M 749
2014
Q2
$29.9M Sell
253,653
-34,689
-12% -$4.08M 0.09% 222
2014
Q1
$34.7M Buy
288,342
+94,920
+49% +$11.3M 0.1% 201
2013
Q4
$21.5M Sell
193,422
-85,308
-31% -$8.48M 0.06% 324
2013
Q3
$25.7M Buy
278,730
+22,267
+9% +$2.01M 0.08% 243
2013
Q2
$21.7K Buy
+256,463
New +$21.3M 0.08% 268

Other funds holding TMO

Loomis, Sayles & Company's TMO Position: Q1 2026 in Review

Loomis, Sayles & Company reduced its Thermo Fisher Scientific (TMO) stake by 1.1% in Q1 2026, selling an estimated $7.98M and leaving 1,363,758 shares worth $670M. The position accounts for 0.9% of the portfolio, ranked #25.

Loomis, Sayles & Company first reported a position in TMO in Q2 2013 and has held it in 40 quarters since. The position peaked at $803M in Q3 2024. 2,588 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • Loomis, Sayles & Company held 1,363,758 shares of Thermo Fisher Scientific worth $670M as of Q1 2026.
  • Loomis, Sayles & Company sold 14,711 Thermo Fisher Scientific shares in Q1 2026, an estimated $7.98M.
  • Thermo Fisher Scientific made up 0.9% of Loomis, Sayles & Company's portfolio in Q1 2026, its #25 holding.
  • Loomis, Sayles & Company first reported a position in Thermo Fisher Scientific in Q2 2013 and has held it in 40 quarters since.
  • Loomis, Sayles & Company's Thermo Fisher Scientific position peaked at $803M in Q3 2024.
  • 2,588 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on Loomis, Sayles & Company's 13F filing for Q1 2026, filed 14 May 2026.