William Blair & Company’s Illumina ILMN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$247K Buy
+2,586
New +$247K ﹤0.01% 1337
2025
Q1
Sell
-22,332
Closed -$2.98M 1836
2024
Q4
$2.98M Sell
22,332
-1,845
-8% -$247K 0.01% 621
2024
Q3
$3.15M Sell
24,177
-804
-3% -$105K 0.01% 605
2024
Q2
$2.61M Sell
24,981
-1,881
-7% -$196K 0.01% 637
2024
Q1
$3.59M Sell
26,862
-408
-1% -$54.5K 0.01% 552
2023
Q4
$3.69M Sell
27,270
-2,358
-8% -$319K 0.01% 528
2023
Q3
$3.96M Sell
29,628
-3,698
-11% -$494K 0.02% 493
2023
Q2
$6.08M Sell
33,326
-3,097
-9% -$565K 0.02% 405
2023
Q1
$8.24M Sell
36,423
-2,981
-8% -$674K 0.03% 341
2022
Q4
$7.75M Buy
39,404
+1,220
+3% +$240K 0.03% 336
2022
Q3
$7.09M Sell
38,184
-2,402
-6% -$446K 0.03% 343
2022
Q2
$7.28M Sell
40,586
-2,392
-6% -$429K 0.03% 342
2022
Q1
$14.6M Sell
42,978
-3,782
-8% -$1.29M 0.05% 269
2021
Q4
$17.3M Buy
46,760
+581
+1% +$215K 0.05% 252
2021
Q3
$18.2M Buy
46,179
+223
+0.5% +$88K 0.06% 239
2021
Q2
$21.2M Sell
45,956
-471
-1% -$217K 0.07% 219
2021
Q1
$17.3M Buy
46,427
+2,934
+7% +$1.1M 0.07% 231
2020
Q4
$15.7M Sell
43,493
-422
-1% -$152K 0.06% 238
2020
Q3
$13.2M Sell
43,915
-5,563
-11% -$1.67M 0.06% 235
2020
Q2
$17.8M Buy
49,478
+1,619
+3% +$583K 0.09% 194
2020
Q1
$12.7M Sell
47,859
-1,761
-4% -$468K 0.08% 201
2019
Q4
$16M Sell
49,620
-469
-0.9% -$151K 0.08% 209
2019
Q3
$14.8M Sell
50,089
-4,480
-8% -$1.33M 0.09% 207
2019
Q2
$19.5M Sell
54,569
-22,645
-29% -$8.11M 0.11% 173
2019
Q1
$23.3M Buy
77,214
+5,663
+8% +$1.71M 0.14% 148
2018
Q4
$20.9M Sell
71,551
-1,485
-2% -$433K 0.15% 141
2018
Q3
$26.1M Sell
73,036
-9,128
-11% -$3.26M 0.16% 141
2018
Q2
$22.3M Buy
82,164
+10,003
+14% +$2.72M 0.15% 145
2018
Q1
$16.6M Sell
72,161
-4,451
-6% -$1.02M 0.12% 171
2017
Q4
$16.3M Buy
76,612
+2,111
+3% +$449K 0.11% 187
2017
Q3
$14.4M Buy
74,501
+16,801
+29% +$3.26M 0.11% 191
2017
Q2
$9.74M Buy
57,700
+1,358
+2% +$229K 0.07% 242
2017
Q1
$9.3M Sell
56,342
-9,742
-15% -$1.61M 0.08% 236
2016
Q4
$8.23M Sell
66,084
-63,212
-49% -$7.87M 0.07% 236
2016
Q3
$22.8M Buy
129,296
+7,242
+6% +$1.28M 0.2% 127
2016
Q2
$16.7M Buy
122,054
+38,994
+47% +$5.32M 0.16% 159
2016
Q1
$13.1M Buy
83,060
+4,295
+5% +$677K 0.12% 176
2015
Q4
$14.7M Sell
78,765
-68,480
-47% -$12.8M 0.14% 165
2015
Q3
$25.2M Buy
147,245
+1,686
+1% +$288K 0.22% 120
2015
Q2
$30.9M Buy
145,559
+3,238
+2% +$688K 0.05% 458
2015
Q1
$25.7M Buy
142,321
+290
+0.2% +$52.4K 0.04% 500
2014
Q4
$25.5M Buy
142,031
+3,431
+2% +$616K 0.04% 514
2014
Q3
$22.1M Buy
138,600
+6,164
+5% +$983K 0.04% 545
2014
Q2
$23M Sell
132,436
-869
-0.7% -$151K 0.04% 527
2014
Q1
$19.3M Buy
133,305
+61,366
+85% +$8.87M 0.03% 562
2013
Q4
$7.74M Sell
71,939
-170
-0.2% -$18.3K 0.01% 845
2013
Q3
$5.67M Sell
72,109
-386
-0.5% -$30.3K 0.01% 868
2013
Q2
$5.28M Buy
+72,495
New +$5.28M 0.01% 865