Welch & Forbes’s Illumina ILMN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$317K Hold
1,802
﹤0.01% 329
2026
Q1
$222K Hold
1,802
﹤0.01% 353
2025
Q4
$236K Buy
+1,802
New +$212K ﹤0.01% 353
2025
Q1
Sell
-1,956
Closed -$261K 377
2024
Q4
$261K Hold
1,956
﹤0.01% 344
2024
Q3
$255K Hold
1,956
﹤0.01% 353
2024
Q2
$209K Sell
1,956
-55
-3% -$6.17K ﹤0.01% 360
2024
Q1
$269K Hold
2,011
﹤0.01% 350
2023
Q4
$272K Sell
2,011
-411
-17% -$47.4K ﹤0.01% 337
2023
Q3
$323K Sell
2,422
-15
-0.6% -$2.47K 0.01% 319
2023
Q2
$445K Buy
2,437
+9
+0.4% +$1.82K 0.01% 295
2023
Q1
$549K Buy
2,428
+6
+0.2% +$1.23K 0.01% 269
2022
Q4
$476K Hold
2,422
0.01% 286
2022
Q3
$450K Hold
2,422
0.01% 286
2022
Q2
$434K Sell
2,422
-15
-0.6% -$3.83K 0.01% 296
2022
Q1
$828K Sell
2,437
-103
-4% -$34.8K 0.01% 249
2021
Q4
$940K Buy
2,540
+103
+4% +$39K 0.01% 236
2021
Q3
$962K Hold
2,437
0.02% 229
2021
Q2
$1.12M Buy
2,437
+1,329
+120% +$535K 0.02% 220
2021
Q1
$414K Sell
1,108
-52
-4% -$21.2K 0.01% 303
2020
Q4
$417K Sell
1,160
-110
-9% -$35.1K 0.01% 295
2020
Q3
$382K Sell
1,270
-4
-0.3% -$1.38K 0.01% 274
2020
Q2
$458K Sell
1,274
-47
-4% -$15.1K 0.01% 249
2020
Q1
$351K Sell
1,321
-178
-12% -$49.8K 0.01% 261
2019
Q4
$484K Buy
1,499
+26
+2% +$7.88K 0.01% 260
2019
Q3
$436K Hold
1,473
0.01% 269
2019
Q2
$528K Hold
1,473
0.01% 253
2019
Q1
$445K Sell
1,473
-103
-7% -$30K 0.01% 266
2018
Q4
$460K Hold
1,576
0.01% 253
2018
Q3
$563K Hold
1,576
0.01% 244
2018
Q2
$428K Buy
1,576
+591
+60% +$150K 0.01% 265
2018
Q1
$226K Buy
+985
New +$226K 0.01% 335
2016
Q4
Sell
-1,477
Closed -$261K 347
2016
Q3
$261K Hold
1,477
0.01% 265
2016
Q2
$202K Hold
1,477
0.01% 326
2016
Q1
$233K Buy
+1,477
New +$226K 0.01% 312

Other funds holding ILMN

Welch & Forbes's ILMN Position: Q2 2026 in Review

Welch & Forbes held its Illumina (ILMN) position steady in Q2 2026 at 1,802 shares worth $317K. The position accounts for ﹤0.01% of the portfolio, ranked #329.

Welch & Forbes first reported a position in ILMN in Q1 2016 and has held it in 34 quarters since. The position peaked at $1.12M in Q2 2021. 933 funds tracked by Wall St. Rank hold ILMN as of Q2 2026.

  • Welch & Forbes held 1,802 shares of Illumina worth $317K as of Q2 2026.
  • Welch & Forbes left its Illumina share count unchanged in Q2 2026.
  • Illumina made up ﹤0.01% of Welch & Forbes's portfolio in Q2 2026, its #329 holding.
  • Welch & Forbes first reported a position in Illumina in Q1 2016 and has held it in 34 quarters since.
  • Welch & Forbes's Illumina position peaked at $1.12M in Q2 2021.
  • 933 funds tracked by Wall St. Rank held Illumina as of Q2 2026.

Based on Welch & Forbes's 13F filing for Q2 2026, filed 30 Jul 2026.