Brown Advisory’s Illumina ILMN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $73M | Buy |
592,376
+3,203
| +0.5% | +$421K | 0.12% | 132 |
|
|
2025
Q4 | $77.3M | Sell |
589,173
-28,210
| -5% | -$3.31M | 0.11% | 143 |
|
|
2025
Q3 | $58.6M | Sell |
617,383
-108,604
| -15% | -$10.8M | 0.08% | 177 |
|
|
2025
Q2 | $69.3M | Sell |
725,987
-2,183,241
| -75% | -$177M | 0.09% | 152 |
|
|
2025
Q1 | $231M | Buy |
2,909,228
+996,589
| +52% | +$108M | 0.33% | 66 |
|
|
2024
Q4 | $256M | Buy |
1,912,639
+1,909,118
| +54,221% | +$272M | 0.32% | 66 |
|
|
2024
Q3 | $459K | Sell |
3,521
-174
| -5% | -$21.5K | ﹤0.01% | 1008 |
|
|
2024
Q2 | $386K | Buy |
3,695
+1,035
| +39% | +$116K | ﹤0.01% | 1009 |
|
|
2024
Q1 | $355K | Sell |
2,660
-114
| -4% | -$15.3K | ﹤0.01% | 1028 |
|
|
2023
Q4 | $376K | Sell |
2,774
-1,482
| -35% | -$171K | ﹤0.01% | 995 |
|
|
2023
Q3 | $568K | Buy |
4,256
+181
| +4% | +$29.8K | ﹤0.01% | 876 |
|
|
2023
Q2 | $743K | Sell |
4,075
-787
| -16% | -$159K | ﹤0.01% | 814 |
|
|
2023
Q1 | $1.1M | Buy |
4,862
+677
| +16% | +$139K | ﹤0.01% | 732 |
|
|
2022
Q4 | $823K | Sell |
4,185
-730
| -15% | -$151K | ﹤0.01% | 800 |
|
|
2022
Q3 | $913K | Sell |
4,915
-6,656
| -58% | -$1.32M | ﹤0.01% | 727 |
|
|
2022
Q2 | $2.08M | Sell |
11,571
-9,626
| -45% | -$2.46M | ﹤0.01% | 562 |
|
|
2022
Q1 | $7.21M | Sell |
21,197
-588
| -3% | -$199K | 0.01% | 428 |
|
|
2021
Q4 | $8.06M | Buy |
21,785
+387
| +2% | +$147K | 0.01% | 419 |
|
|
2021
Q3 | $8.44M | Sell |
21,398
-601
| -3% | -$276K | 0.01% | 387 |
|
|
2021
Q2 | $10.1M | Buy |
21,999
+1,278
| +6% | +$515K | 0.02% | 377 |
|
|
2021
Q1 | $7.74M | Sell |
20,721
-18,751
| -48% | -$7.65M | 0.01% | 398 |
|
|
2020
Q4 | $14.2M | Sell |
39,472
-6,295
| -14% | -$2.01M | 0.03% | 290 |
|
|
2020
Q3 | $13.8M | Sell |
45,767
-1,613,371
| -97% | -$556M | 0.03% | 274 |
|
|
2020
Q2 | $598M | Buy |
1,659,138
+31,930
| +2% | +$10.3M | 1.39% | 21 |
|
|
2020
Q1 | $432M | Buy |
1,627,208
+91,628
| +6% | +$25.6M | 1.32% | 22 |
|
|
2019
Q4 | $496M | Buy |
1,535,580
+324,268
| +27% | +$98.3M | 1.26% | 25 |
|
|
2019
Q3 | $358M | Buy |
1,211,312
+989,808
| +447% | +$292M | 1.01% | 32 |
|
|
2019
Q2 | $79.3M | Buy |
221,504
+15,196
| +7% | +$4.8M | 0.23% | 85 |
|
|
2019
Q1 | $62.4M | Buy |
206,308
+78,580
| +62% | +$22.9M | 0.18% | 113 |
|
|
2018
Q4 | $37.3M | Buy |
127,728
+109,445
| +599% | +$33.9M | 0.13% | 157 |
|
|
2018
Q3 | $6.53M | Sell |
18,283
-445
| -2% | -$143K | 0.02% | 400 |
|
|
2018
Q2 | $5.09M | Buy |
18,728
+490
| +3% | +$125K | 0.02% | 437 |
|
|
2018
Q1 | $4.2M | Sell |
18,238
-2,262
| -11% | -$518K | 0.01% | 419 |
|
|
2017
Q4 | $4.36M | Buy |
20,500
+512
| +3% | +$105K | 0.01% | 424 |
|
|
2017
Q3 | $3.87M | Sell |
19,988
-1,082
| -5% | -$201K | 0.01% | 432 |
|
|
2017
Q2 | $3.56M | Sell |
21,070
-294
| -1% | -$50.9K | 0.01% | 458 |
|
|
2017
Q1 | $3.55M | Sell |
21,364
-128
| -0.6% | -$20.2K | 0.01% | 431 |
|
|
2016
Q4 | $2.68M | Buy |
21,492
+4,340
| +25% | +$585K | 0.01% | 466 |
|
|
2016
Q3 | $3.03M | Sell |
17,152
-1,940
| -10% | -$310K | 0.01% | 438 |
|
|
2016
Q2 | $2.61M | Buy |
19,092
+9,676
| +103% | +$1.37M | 0.01% | 448 |
|
|
2016
Q1 | $1.49M | Buy |
9,416
+3,907
| +71% | +$597K | 0.01% | 515 |
|
|
2015
Q4 | $1.03M | Buy |
5,509
+2,640
| +92% | +$426K | ﹤0.01% | 567 |
|
|
2015
Q3 | $491K | Buy |
2,869
+1,085
| +61% | +$219K | ﹤0.01% | 695 |
|
|
2015
Q2 | $379K | Sell |
1,784
-699
| -28% | -$137K | ﹤0.01% | 688 |
|
|
2015
Q1 | $448K | Sell |
2,483
-3,130
| -56% | -$590K | ﹤0.01% | 713 |
|
|
2014
Q4 | $1.01M | Buy |
5,613
+156
| +3% | +$27.5K | ﹤0.01% | 554 |
|
|
2014
Q3 | $870K | Buy |
5,457
+70
| +1% | +$11.7K | ﹤0.01% | 570 |
|
|
2014
Q2 | $936K | Sell |
5,387
-3
| -0.1% | -$448 | ﹤0.01% | 568 |
|
|
2014
Q1 | $779K | Sell |
5,390
-5,867
| -52% | -$862K | ﹤0.01% | 576 |
|
|
2013
Q4 | $1.21M | Buy |
+11,257
| New | +$1.03M | ﹤0.01% | 497 |
|
|
2013
Q3 | – | Sell |
-3,547
| Closed | -$259K | – | 904 |
|
|
2013
Q2 | $259K | Buy |
+3,547
| New | +$227K | ﹤0.01% | 730 |
|
Other funds holding ILMN
VPM
VCM
CM
SC
Brown Advisory's ILMN Position: Q1 2026 in Review
Brown Advisory increased its Illumina (ILMN) stake by 0.54% in Q1 2026, buying an estimated $421K and bringing the position to 592,376 shares worth $73M. The position accounts for 0.12% of the portfolio, ranked #132.
Brown Advisory first reported a position in ILMN in Q2 2013 and has held it in 51 quarters since. The position peaked at $598M in Q2 2020. 844 funds tracked by Wall St. Rank hold ILMN as of Q1 2026.
- Brown Advisory held 592,376 shares of Illumina worth $73M as of Q1 2026.
- Brown Advisory bought 3,203 Illumina shares in Q1 2026, an estimated $421K.
- Illumina made up 0.12% of Brown Advisory's portfolio in Q1 2026, its #132 holding.
- Brown Advisory first reported a position in Illumina in Q2 2013 and has held it in 51 quarters since.
- Brown Advisory's Illumina position peaked at $598M in Q2 2020.
- 844 funds tracked by Wall St. Rank held Illumina as of Q1 2026.
Based on Brown Advisory's 13F filing for Q1 2026, filed 15 May 2026.