ILLUMINA INC

Ticker: ILMN CUSIP: 452327109 Class: COM

BROWN ADVISORY INC's Holding History (CIK: 0001345929)

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

Q4 2025

Shares 589,173 Value ($000) $77,276 Avg Close $117.40 Range $88.00 - $138.80

Q3 2025

Shares 617,383 Value ($000) $58,633 Avg Close $99.18 Range $90.62 - $111.00

Q2 2025

Shares 725,987 Value ($000) $69,266 Avg Close $81.16 Range $68.70 - $96.83

Q1 2025

Shares 2,909,228 Value ($000) $230,818 Avg Close $108.24 Range $77.54 - $153.06

Q4 2024

Shares 1,912,639 Value ($000) $255,586 Avg Close $142.41 Range $125.06 - $156.66

Q3 2024

Shares 3,521 Value ($000) $459 Avg Close $123.37 Range $103.57 - $137.18

Q2 2024

Shares 3,695 Value ($000) $386 Avg Close $112.18 Range $97.36 - $134.76

Q1 2024

Shares 2,588 Value ($000) $355 Avg Close $134.04 Range $122.39 - $144.15

Q4 2023

Shares 2,698 Value ($000) $376 Avg Close $115.36 Range $86.58 - $140.01

Q3 2023

Shares 4,140 Value ($000) $568 Avg Close $164.42 Range $123.90 - $190.31

Q2 2023

Shares 3,964 Value ($000) $743 Avg Close $202.41 Range $176.67 - $227.06

Q1 2023

Shares 4,730 Value ($000) $1,100 Avg Close $204.65 Range $177.04 - $232.05

Q4 2022

Shares 4,071 Value ($000) $823 Avg Close $207.24 Range $174.85 - $242.09

Q3 2022

Shares 4,781 Value ($000) $913 Avg Close $197.84 Range $168.73 - $229.85

Q2 2022

Shares 11,256 Value ($000) $2,075 Avg Close $255.36 Range $175.10 - $361.05

Q1 2022

Shares 20,620 Value ($000) $7,205 Avg Close $337.77 Range $294.54 - $416.34

Q4 2021

Shares 21,192 Value ($000) $8,063 Avg Close $378.89 Range $331.74 - $413.42

Q3 2021

Shares 20,815 Value ($000) $8,443 Avg Close $459.88 Range $394.08 - $511.67

Q2 2021

Shares 21,400 Value ($000) $10,127 Avg Close $402.76 Range $358.04 - $473.74

Q1 2021

Shares 20,157 Value ($000) $7,742 Avg Close $407.75 Range $346.30 - $540.63

Q4 2020

Shares 38,397 Value ($000) $14,207 Avg Close $318.77 Range $280.17 - $368.03

Q3 2020

Shares 44,520 Value ($000) $13,761 Avg Close $344.57 Range $253.33 - $393.19

Q2 2020

Shares 1,613,947 Value ($000) $597,726 Avg Close $321.78 Range $244.30 - $367.51

Q1 2020

Shares 1,582,887 Value ($000) $432,318 Avg Close $279.63 Range $191.42 - $330.38

Q4 2019

Shares 1,493,755 Value ($000) $495,539 Avg Close $303.09 Range $272.14 - $327.46

Q3 2019

Shares 1,178,319 Value ($000) $358,469 Avg Close $294.76 Range $256.13 - $370.39

Q2 2019

Shares 215,471 Value ($000) $79,326 Avg Close $315.75 Range $292.17 - $358.95

Q1 2019

Shares 200,689 Value ($000) $62,363 Avg Close $291.63 Range $261.30 - $313.54

Q4 2018

Shares 124,249 Value ($000) $37,265 Avg Close $309.79 Range $263.62 - $361.78

Q3 2018

Shares 17,785 Value ($000) $6,528 Avg Close $320.46 Range $267.18 - $362.46

Q2 2018

Shares 18,218 Value ($000) $5,088 Avg Close $254.40 Range $219.67 - $285.17

Q1 2018

Shares 17,741 Value ($000) $4,195 Avg Close $229.19 Range $201.86 - $249.65

Q4 2017

Shares 19,942 Value ($000) $4,358 Avg Close $205.77 Range $192.81 - $224.44

Q3 2017

Shares 19,444 Value ($000) $3,874 Avg Close $186.17 Range $163.40 - $208.50

Q2 2017

Shares 20,496 Value ($000) $3,557 Avg Close $173.03 Range $162.61 - $184.32

Q1 2017

Shares 20,782 Value ($000) $3,547 Avg Close $157.56 Range $124.67 - $169.57

Q4 2016

Shares 20,907 Value ($000) $2,676 Avg Close $134.78 Range $116.12 - $181.79

Q3 2016

Shares 16,685 Value ($000) $3,031 Avg Close $159.99 Range $129.04 - $177.69

Q2 2016

Shares 18,572 Value ($000) $2,607 Avg Close $142.06 Range $123.64 - $173.90

Q1 2016

Shares 9,160 Value ($000) $1,485 Avg Close $152.87 Range $126.82 - $183.12

Q4 2015

Shares 5,359 Value ($000) $1,029 Avg Close $161.39 Range $126.46 - $191.12

Q3 2015

Shares 2,791 Value ($000) $491 Avg Close $202.14 Range $156.82 - $235.77

Q2 2015

Shares 1,735 Value ($000) $379 Avg Close $195.32 Range $173.81 - $217.00

Q1 2015

Shares 2,415 Value ($000) $448 Avg Close $188.35 Range $173.66 - $207.52

Q4 2014

Shares 5,460 Value ($000) $1,008 Avg Close $176.23 Range $141.17 - $191.99

Q3 2014

Shares 5,308 Value ($000) $870 Avg Close $167.17 Range $152.58 - $179.96

Q2 2014

Shares 5,240 Value ($000) $936 Avg Close $149.19 Range $124.21 - $175.88

Q1 2014

Shares 5,243 Value ($000) $779 Avg Close $146.95 Range $103.88 - $178.31

Q4 2013

Shares 10,950 Value ($000) $1,211 Avg Close $91.59 Range $70.79 - $111.87

Q2 2013

Shares 3,450 Value ($000) $259 Avg Close $64.01 Range $52.31 - $75.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	589,173	$77,276	$117.40	$88.00 - $138.80
Q3 2025	617,383	$58,633	$99.18	$90.62 - $111.00
Q2 2025	725,987	$69,266	$81.16	$68.70 - $96.83
Q1 2025	2,909,228	$230,818	$108.24	$77.54 - $153.06
Q4 2024	1,912,639	$255,586	$142.41	$125.06 - $156.66
Q3 2024	3,521	$459	$123.37	$103.57 - $137.18
Q2 2024	3,695	$386	$112.18	$97.36 - $134.76
Q1 2024	2,588	$355	$134.04	$122.39 - $144.15
Q4 2023	2,698	$376	$115.36	$86.58 - $140.01
Q3 2023	4,140	$568	$164.42	$123.90 - $190.31
Q2 2023	3,964	$743	$202.41	$176.67 - $227.06
Q1 2023	4,730	$1,100	$204.65	$177.04 - $232.05
Q4 2022	4,071	$823	$207.24	$174.85 - $242.09
Q3 2022	4,781	$913	$197.84	$168.73 - $229.85
Q2 2022	11,256	$2,075	$255.36	$175.10 - $361.05
Q1 2022	20,620	$7,205	$337.77	$294.54 - $416.34
Q4 2021	21,192	$8,063	$378.89	$331.74 - $413.42
Q3 2021	20,815	$8,443	$459.88	$394.08 - $511.67
Q2 2021	21,400	$10,127	$402.76	$358.04 - $473.74
Q1 2021	20,157	$7,742	$407.75	$346.30 - $540.63
Q4 2020	38,397	$14,207	$318.77	$280.17 - $368.03
Q3 2020	44,520	$13,761	$344.57	$253.33 - $393.19
Q2 2020	1,613,947	$597,726	$321.78	$244.30 - $367.51
Q1 2020	1,582,887	$432,318	$279.63	$191.42 - $330.38
Q4 2019	1,493,755	$495,539	$303.09	$272.14 - $327.46
Q3 2019	1,178,319	$358,469	$294.76	$256.13 - $370.39
Q2 2019	215,471	$79,326	$315.75	$292.17 - $358.95
Q1 2019	200,689	$62,363	$291.63	$261.30 - $313.54
Q4 2018	124,249	$37,265	$309.79	$263.62 - $361.78
Q3 2018	17,785	$6,528	$320.46	$267.18 - $362.46
Q2 2018	18,218	$5,088	$254.40	$219.67 - $285.17
Q1 2018	17,741	$4,195	$229.19	$201.86 - $249.65
Q4 2017	19,942	$4,358	$205.77	$192.81 - $224.44
Q3 2017	19,444	$3,874	$186.17	$163.40 - $208.50
Q2 2017	20,496	$3,557	$173.03	$162.61 - $184.32
Q1 2017	20,782	$3,547	$157.56	$124.67 - $169.57
Q4 2016	20,907	$2,676	$134.78	$116.12 - $181.79
Q3 2016	16,685	$3,031	$159.99	$129.04 - $177.69
Q2 2016	18,572	$2,607	$142.06	$123.64 - $173.90
Q1 2016	9,160	$1,485	$152.87	$126.82 - $183.12
Q4 2015	5,359	$1,029	$161.39	$126.46 - $191.12
Q3 2015	2,791	$491	$202.14	$156.82 - $235.77
Q2 2015	1,735	$379	$195.32	$173.81 - $217.00
Q1 2015	2,415	$448	$188.35	$173.66 - $207.52
Q4 2014	5,460	$1,008	$176.23	$141.17 - $191.99
Q3 2014	5,308	$870	$167.17	$152.58 - $179.96
Q2 2014	5,240	$936	$149.19	$124.21 - $175.88
Q1 2014	5,243	$779	$146.95	$103.88 - $178.31
Q4 2013	10,950	$1,211	$91.59	$70.79 - $111.87
Q2 2013	3,450	$259	$64.01	$52.31 - $75.01