Primecap Management
ILMN icon

Primecap Management’s Illumina ILMN Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$187M Sell
1,958,499
-412,450
-17% -$39.4M 0.15% 116
2025
Q1
$188M Sell
2,370,949
-84,870
-3% -$6.73M 0.16% 97
2024
Q4
$328M Sell
2,455,819
-60,540
-2% -$8.09M 0.25% 78
2024
Q3
$328M Buy
2,516,359
+87,599
+4% +$11.4M 0.24% 83
2024
Q2
$254M Buy
2,428,760
+1,997,010
+463% +$208M 0.18% 91
2024
Q1
$59.3M Buy
431,750
+24,425
+6% +$3.35M 0.04% 176
2023
Q4
$56.7M Sell
407,325
-9,740
-2% -$1.36M 0.04% 176
2023
Q3
$57.3M Sell
417,065
-40,483
-9% -$5.56M 0.05% 167
2023
Q2
$85.8M Sell
457,548
-8,600
-2% -$1.61M 0.07% 147
2023
Q1
$108M Sell
466,148
-54,245
-10% -$12.6M 0.09% 135
2022
Q4
$105M Sell
520,393
-51,310
-9% -$10.4M 0.1% 135
2022
Q3
$109M Sell
571,703
-33,605
-6% -$6.41M 0.11% 129
2022
Q2
$112M Sell
605,308
-17,030
-3% -$3.14M 0.1% 132
2022
Q1
$217M Sell
622,338
-42,220
-6% -$14.8M 0.16% 108
2021
Q4
$253M Sell
664,558
-20,160
-3% -$7.67M 0.18% 104
2021
Q3
$278M Sell
684,718
-28,130
-4% -$11.4M 0.2% 98
2021
Q2
$337M Sell
712,848
-14,635
-2% -$6.93M 0.23% 91
2021
Q1
$279M Sell
727,483
-64,335
-8% -$24.7M 0.19% 98
2020
Q4
$293M Sell
791,818
-43,820
-5% -$16.2M 0.22% 96
2020
Q3
$258M Sell
835,638
-36,060
-4% -$11.1M 0.21% 92
2020
Q2
$323M Sell
871,698
-55,265
-6% -$20.5M 0.28% 81
2020
Q1
$253M Sell
926,963
-21,820
-2% -$5.96M 0.25% 81
2019
Q4
$315M Sell
948,783
-7,400
-0.8% -$2.45M 0.23% 92
2019
Q3
$291M Sell
956,183
-24,750
-3% -$7.53M 0.23% 93
2019
Q2
$361M Sell
980,933
-19,560
-2% -$7.2M 0.27% 92
2019
Q1
$311M Sell
1,000,493
-7,770
-0.8% -$2.41M 0.23% 98
2018
Q4
$302M Sell
1,008,263
-61,290
-6% -$18.4M 0.25% 93
2018
Q3
$393M Sell
1,069,553
-57,290
-5% -$21M 0.27% 83
2018
Q2
$315M Sell
1,126,843
-746,677
-40% -$209M 0.23% 92
2018
Q1
$443M Sell
1,873,520
-13,840
-0.7% -$3.27M 0.33% 72
2017
Q4
$412M Sell
1,887,360
-15,870
-0.8% -$3.47M 0.32% 74
2017
Q3
$379M Sell
1,903,230
-132,190
-6% -$26.3M 0.31% 76
2017
Q2
$353M Sell
2,035,420
-36,690
-2% -$6.37M 0.3% 76
2017
Q1
$354M Sell
2,072,110
-7,620
-0.4% -$1.3M 0.32% 71
2016
Q4
$266M Sell
2,079,730
-3,440
-0.2% -$440K 0.26% 80
2016
Q3
$378M Sell
2,083,170
-56,750
-3% -$10.3M 0.38% 64
2016
Q2
$300M Sell
2,139,920
-34,850
-2% -$4.89M 0.32% 74
2016
Q1
$353M Buy
2,174,770
+590
+0% +$95.6K 0.37% 68
2015
Q4
$417M Sell
2,174,180
-3,860
-0.2% -$741K 0.43% 60
2015
Q3
$383M Sell
2,178,040
-61,357
-3% -$10.8M 0.43% 62
2015
Q2
$489M Sell
2,239,397
-2,590
-0.1% -$566K 0.48% 56
2015
Q1
$416M Buy
2,241,987
+140
+0% +$26K 0.41% 62
2014
Q4
$414M Sell
2,241,847
-2,990
-0.1% -$552K 0.42% 63
2014
Q3
$368M Sell
2,244,837
-7,943
-0.4% -$1.3M 0.39% 67
2014
Q2
$402M Sell
2,252,780
-9,490
-0.4% -$1.69M 0.44% 64
2014
Q1
$336M Buy
2,262,270
+214,207
+10% +$31.8M 0.38% 70
2013
Q4
$226M Buy
2,048,063
+12,400
+0.6% +$1.37M 0.27% 79
2013
Q3
$165M Buy
2,035,663
+7,463
+0.4% +$603K 0.22% 90
2013
Q2
$152M Buy
+2,028,200
New +$152M 0.22% 91