Arthur M. Cohen & Associates’s Illumina ILMN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q4 | – | Sell |
-4,988
| Closed | -$474K | – | 133 |
|
|
2025
Q3 | $474K | Sell |
4,988
-12
| -0.2% | -$1.19K | 0.08% | 87 |
|
|
2025
Q2 | $477K | Sell |
5,000
-955
| -16% | -$77.5K | 0.08% | 86 |
|
|
2025
Q1 | $472K | Hold |
5,955
| – | – | 0.09% | 80 |
|
|
2024
Q4 | $796K | Sell |
5,955
-740
| -11% | -$105K | 0.14% | 71 |
|
|
2024
Q3 | $864K | Sell |
6,695
-235
| -3% | -$29K | 0.16% | 70 |
|
|
2024
Q2 | $723K | Sell |
6,930
-194
| -3% | -$21.8K | 0.13% | 75 |
|
|
2024
Q1 | $952K | Sell |
7,124
-1,628
| -19% | -$218K | 0.2% | 61 |
|
|
2023
Q4 | $1.19M | Sell |
8,752
-535
| -6% | -$61.7K | 0.28% | 52 |
|
|
2023
Q3 | $1.24M | Sell |
9,287
-3,408
| -27% | -$560K | 0.32% | 49 |
|
|
2023
Q2 | $2.32M | Sell |
12,695
-164
| -1% | -$33.2K | 0.58% | 27 |
|
|
2023
Q1 | $2.91M | Sell |
12,859
-124
| -1% | -$25.4K | 0.78% | 24 |
|
|
2022
Q4 | $2.55M | Sell |
12,983
-92
| -0.7% | -$19.1K | 0.7% | 28 |
|
|
2022
Q3 | $2.43M | Sell |
13,075
-267
| -2% | -$52.8K | 0.67% | 29 |
|
|
2022
Q2 | $2.39M | Sell |
13,342
-715
| -5% | -$183K | 0.6% | 30 |
|
|
2022
Q1 | $4.78M | Sell |
14,057
-241
| -2% | -$81.4K | 1.01% | 19 |
|
|
2021
Q4 | $5.29M | Sell |
14,298
-329
| -2% | -$125K | 0.98% | 20 |
|
|
2021
Q3 | $5.77M | Buy |
14,627
+1,654
| +13% | +$761K | 1.17% | 18 |
|
|
2021
Q2 | $5.97M | Sell |
12,973
-21
| -0.2% | -$8.46K | 1.16% | 20 |
|
|
2021
Q1 | $4.86M | Buy |
12,994
+41
| +0.3% | +$16.7K | 1.12% | 19 |
|
|
2020
Q4 | $4.66M | Buy |
12,953
+165
| +1% | +$52.6K | 1.09% | 19 |
|
|
2020
Q3 | $3.85M | Buy |
12,788
+781
| +7% | +$269K | 1% | 20 |
|
|
2020
Q2 | $4.33M | Buy |
12,007
+329
| +3% | +$106K | 1.3% | 17 |
|
|
2020
Q1 | $2.91M | Buy |
11,678
+982
| +9% | +$275K | 1.16% | 21 |
|
|
2019
Q4 | $3.45M | Sell |
10,696
-910
| -8% | -$276K | 1.06% | 20 |
|
|
2019
Q3 | $3.44K | Buy |
11,606
+226
| +2% | +$66.6K | 0.97% | 21 |
|
|
2019
Q2 | $4.08M | Sell |
11,380
-3,619
| -24% | -$1.14M | 1.39% | 17 |
|
|
2019
Q1 | $4.53M | Hold |
14,999
| – | – | 1.62% | 15 |
|
|
2018
Q4 | $4.38K | Buy |
14,999
+412
| +3% | +$128K | 1.39% | 17 |
|
|
2018
Q3 | $5.21K | Buy |
14,587
+848
| +6% | +$272K | 1.59% | 15 |
|
|
2018
Q2 | $3.73M | Hold |
13,739
| – | – | 1.41% | 16 |
|
|
2018
Q1 | $3.07M | Sell |
13,739
-1,260
| -8% | -$289K | 1.16% | 19 |
|
|
2017
Q4 | $7.38K | Buy |
+14,999
| New | +$3.09M | 2.02% | 11 |
|
|
2017
Q2 | $2.32M | Hold |
13,719
| – | – | 0.91% | 32 |
|
|
2017
Q1 | $8.28M | Buy |
13,719
+31
| +0.2% | +$4.88K | 3.7% | 7 |
|
|
2016
Q4 | $1.71M | Buy |
+13,688
| New | +$1.84M | 0.9% | 30 |
|
|
2014
Q3 | $2.66M | Buy |
+13,739
| New | +$2.3M | 1.24% | 27 |
|
Other funds holding ILMN
CM
SC
Arthur M. Cohen & Associates's ILMN Position: Q4 2025 in Review
Arthur M. Cohen & Associates sold out of Illumina (ILMN) in Q4 2025, closing a stake of 4,988 shares — an estimated $474K sold.
Arthur M. Cohen & Associates first reported a position in ILMN in Q3 2014 and held it in 36 quarters. The position peaked at $8.28M in Q1 2017. 859 funds tracked by Wall St. Rank hold ILMN as of Q4 2025.
- Arthur M. Cohen & Associates reported no remaining Illumina position as of Q4 2025 after selling out during the quarter.
- Arthur M. Cohen & Associates sold 4,988 Illumina shares in Q4 2025, an estimated $474K.
- Arthur M. Cohen & Associates first reported a position in Illumina in Q3 2014 and held it in 36 quarters.
- Arthur M. Cohen & Associates's Illumina position peaked at $8.28M in Q1 2017.
- 859 funds tracked by Wall St. Rank held Illumina as of Q4 2025.
Based on Arthur M. Cohen & Associates's 13F filing for Q4 2025, filed 17 Feb 2026.