ILLUMINA INC

Ticker: ILMN CUSIP: 452327109 Class: COM

WELCH & FORBES LLC's Holding History (CIK: 0000105495)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 1,802 Value ($000) $236 Avg Close $117.40 Range $88.00 - $138.80
Q4 2024
Shares 1,956 Value ($000) $261 Avg Close $142.41 Range $125.06 - $156.66
Q3 2024
Shares 1,956 Value ($000) $255 Avg Close $123.37 Range $103.57 - $137.18
Q2 2024
Shares 1,956 Value ($000) $209 Avg Close $112.18 Range $97.36 - $134.76
Q1 2024
Shares 1,956 Value ($000) $269 Avg Close $134.04 Range $122.39 - $144.15
Q4 2023
Shares 1,956 Value ($000) $272 Avg Close $115.36 Range $86.58 - $140.01
Q3 2023
Shares 2,356 Value ($000) $323 Avg Close $164.42 Range $123.90 - $190.31
Q2 2023
Shares 2,371 Value ($000) $445 Avg Close $202.41 Range $176.67 - $227.06
Q1 2023
Shares 2,362 Value ($000) $549 Avg Close $204.65 Range $177.04 - $232.05
Q4 2022
Shares 2,356 Value ($000) $476 Avg Close $207.24 Range $174.85 - $242.09
Q3 2022
Shares 2,356 Value ($000) $450 Avg Close $197.84 Range $168.73 - $229.85
Q2 2022
Shares 2,356 Value ($000) $434 Avg Close $255.36 Range $175.10 - $361.05
Q1 2022
Shares 2,371 Value ($000) $828 Avg Close $337.77 Range $294.54 - $416.34
Q4 2021
Shares 2,471 Value ($000) $940 Avg Close $378.89 Range $331.74 - $413.42
Q3 2021
Shares 2,371 Value ($000) $962 Avg Close $459.88 Range $394.08 - $511.67
Q2 2021
Shares 2,371 Value ($000) $1,122 Avg Close $402.76 Range $358.04 - $473.74
Q1 2021
Shares 1,078 Value ($000) $414 Avg Close $407.75 Range $346.30 - $540.63
Q4 2020
Shares 1,128 Value ($000) $417 Avg Close $318.77 Range $280.17 - $368.03
Q3 2020
Shares 1,235 Value ($000) $382 Avg Close $344.57 Range $253.33 - $393.19
Q2 2020
Shares 1,239 Value ($000) $458 Avg Close $321.78 Range $244.30 - $367.51
Q1 2020
Shares 1,285 Value ($000) $351 Avg Close $279.63 Range $191.42 - $330.38
Q4 2019
Shares 1,458 Value ($000) $484 Avg Close $303.09 Range $272.14 - $327.46
Q3 2019
Shares 1,433 Value ($000) $436 Avg Close $294.76 Range $256.13 - $370.39
Q2 2019
Shares 1,433 Value ($000) $528 Avg Close $315.75 Range $292.17 - $358.95
Q1 2019
Shares 1,433 Value ($000) $445 Avg Close $291.63 Range $261.30 - $313.54
Q4 2018
Shares 1,533 Value ($000) $460 Avg Close $309.79 Range $263.62 - $361.78
Q3 2018
Shares 1,533 Value ($000) $563 Avg Close $320.46 Range $267.18 - $362.46
Q2 2018
Shares 1,533 Value ($000) $428 Avg Close $254.40 Range $219.67 - $285.17
Q1 2018
Shares 958 Value ($000) $226 Avg Close $229.19 Range $201.86 - $249.65
Q3 2016
Shares 1,437 Value ($000) $261 Avg Close $159.99 Range $129.04 - $177.69
Q2 2016
Shares 1,437 Value ($000) $202 Avg Close $142.06 Range $123.64 - $173.90
Q1 2016
Shares 1,437 Value ($000) $233 Avg Close $152.87 Range $126.82 - $183.12