Primecap Management
TMO icon

Primecap Management’s Thermo Fisher Scientific TMO Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$976M Buy
2,406,192
+88,890
+4% +$36M 0.77% 43
2025
Q1
$1.15B Sell
2,317,302
-187,849
-7% -$93.5M 0.95% 33
2024
Q4
$1.3B Sell
2,505,151
-69,726
-3% -$36.3M 1.01% 29
2024
Q3
$1.59B Sell
2,574,877
-92,060
-3% -$56.9M 1.17% 22
2024
Q2
$1.47B Sell
2,666,937
-90,620
-3% -$50.1M 1.07% 25
2024
Q1
$1.6B Sell
2,757,557
-245,315
-8% -$143M 1.2% 20
2023
Q4
$1.59B Sell
3,002,872
-23,120
-0.8% -$12.3M 1.26% 20
2023
Q3
$1.53B Sell
3,025,992
-52,115
-2% -$26.4M 1.29% 20
2023
Q2
$1.61B Sell
3,078,107
-486,002
-14% -$254M 1.34% 18
2023
Q1
$2.05B Sell
3,564,109
-94,465
-3% -$54.4M 1.79% 14
2022
Q4
$2.01B Sell
3,658,574
-138,483
-4% -$76.3M 1.84% 10
2022
Q3
$1.93B Sell
3,797,057
-55,395
-1% -$28.1M 1.86% 13
2022
Q2
$2.09B Sell
3,852,452
-85,055
-2% -$46.2M 1.87% 13
2022
Q1
$2.33B Sell
3,937,507
-167,595
-4% -$99M 1.75% 16
2021
Q4
$2.74B Sell
4,105,102
-196,360
-5% -$131M 1.9% 13
2021
Q3
$2.46B Sell
4,301,462
-75,802
-2% -$43.3M 1.73% 16
2021
Q2
$2.21B Sell
4,377,264
-109,910
-2% -$55.4M 1.48% 17
2021
Q1
$2.05B Buy
4,487,174
+41,649
+0.9% +$19M 1.43% 18
2020
Q4
$2.07B Sell
4,445,525
-152,716
-3% -$71.1M 1.54% 16
2020
Q3
$2.03B Sell
4,598,241
-142,200
-3% -$62.8M 1.68% 16
2020
Q2
$1.72B Sell
4,740,441
-104,910
-2% -$38M 1.47% 19
2020
Q1
$1.37B Buy
4,845,351
+92,885
+2% +$26.3M 1.35% 21
2019
Q4
$1.54B Sell
4,752,466
-8,340
-0.2% -$2.71M 1.12% 25
2019
Q3
$1.39B Sell
4,760,806
-209,350
-4% -$61M 1.11% 25
2019
Q2
$1.46B Sell
4,970,156
-46,680
-0.9% -$13.7M 1.08% 27
2019
Q1
$1.37B Sell
5,016,836
-4,110
-0.1% -$1.12M 1.01% 29
2018
Q4
$1.12B Buy
5,020,946
+1,572
+0% +$352K 0.91% 34
2018
Q3
$1.23B Sell
5,019,374
-68,380
-1% -$16.7M 0.83% 40
2018
Q2
$1.05B Sell
5,087,754
-19,430
-0.4% -$4.02M 0.78% 39
2018
Q1
$1.05B Sell
5,107,184
-37,060
-0.7% -$7.65M 0.79% 40
2017
Q4
$977M Sell
5,144,244
-56,036
-1% -$10.6M 0.75% 40
2017
Q3
$984M Sell
5,200,280
-83,090
-2% -$15.7M 0.81% 35
2017
Q2
$922M Buy
5,283,370
+11,880
+0.2% +$2.07M 0.79% 36
2017
Q1
$810M Sell
5,271,490
-33,240
-0.6% -$5.11M 0.73% 43
2016
Q4
$748M Buy
5,304,730
+99,860
+2% +$14.1M 0.74% 42
2016
Q3
$828M Sell
5,204,870
-157,530
-3% -$25.1M 0.83% 37
2016
Q2
$792M Sell
5,362,400
-76,960
-1% -$11.4M 0.84% 39
2016
Q1
$770M Buy
5,439,360
+39,470
+0.7% +$5.59M 0.8% 42
2015
Q4
$766M Sell
5,399,890
-1,363
-0% -$193K 0.78% 40
2015
Q3
$660M Sell
5,401,253
-119,387
-2% -$14.6M 0.73% 43
2015
Q2
$716M Buy
5,520,640
+351,650
+7% +$45.6M 0.7% 40
2015
Q1
$694M Buy
5,168,990
+681,900
+15% +$91.6M 0.68% 44
2014
Q4
$562M Buy
4,487,090
+178,940
+4% +$22.4M 0.57% 49
2014
Q3
$524M Buy
4,308,150
+345,920
+9% +$42.1M 0.56% 49
2014
Q2
$468M Buy
3,962,230
+400,430
+11% +$47.3M 0.51% 54
2014
Q1
$428M Buy
3,561,800
+3,090,800
+656% +$372M 0.48% 60
2013
Q4
$52.4M Buy
+471,000
New +$52.4M 0.06% 155