ILLUMINA INC

Ticker: ILMN CUSIP: 452327109 Class: COM

DF DENT & CO INC's Holding History (CIK: 0000934999)

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

Q4 2025

Shares 4,790 Value ($000) $628 Avg Close $117.40 Range $88.00 - $138.80

Q3 2025

Shares 16,518 Value ($000) $1,569 Avg Close $99.18 Range $90.62 - $111.00

Q2 2025

Shares 18,882 Value ($000) $1,802 Avg Close $81.16 Range $68.70 - $96.83

Q1 2025

Shares 73,861 Value ($000) $5,860 Avg Close $108.24 Range $77.54 - $153.06

Q4 2024

Shares 108,418 Value ($000) $14,488 Avg Close $142.41 Range $125.06 - $156.66

Q3 2024

Shares 121,815 Value ($000) $15,886 Avg Close $123.37 Range $103.57 - $137.18

Q2 2024

Shares 443,725 Value ($000) $46,316 Avg Close $112.18 Range $97.36 - $134.76

Q1 2024

Shares 470,048 Value ($000) $64,547 Avg Close $134.04 Range $122.39 - $144.15

Q4 2023

Shares 584,279 Value ($000) $81,355 Avg Close $115.36 Range $86.58 - $140.01

Q3 2023

Shares 745,870 Value ($000) $102,393 Avg Close $164.42 Range $123.90 - $190.31

Q2 2023

Shares 786,005 Value ($000) $147,368 Avg Close $202.41 Range $176.67 - $227.06

Q1 2023

Shares 813,602 Value ($000) $189,203 Avg Close $204.65 Range $177.04 - $232.05

Q4 2022

Shares 813,162 Value ($000) $164,421 Avg Close $207.24 Range $174.85 - $242.09

Q3 2022

Shares 767,858 Value ($000) $146,500 Avg Close $197.84 Range $168.73 - $229.85

Q2 2022

Shares 776,268 Value ($000) $143,113 Avg Close $255.36 Range $175.10 - $361.05

Q1 2022

Shares 789,972 Value ($000) $276,016 Avg Close $337.77 Range $294.54 - $416.34

Q4 2021

Shares 780,746 Value ($000) $297,027 Avg Close $378.89 Range $331.74 - $413.42

Q3 2021

Shares 692,897 Value ($000) $281,046 Avg Close $459.88 Range $394.08 - $511.67

Q2 2021

Shares 700,693 Value ($000) $331,575 Avg Close $402.76 Range $358.04 - $473.74

Q1 2021

Shares 696,807 Value ($000) $267,616 Avg Close $407.75 Range $346.30 - $540.63

Q4 2020

Shares 693,281 Value ($000) $256,514 Avg Close $318.77 Range $280.17 - $368.03

Q3 2020

Shares 673,831 Value ($000) $208,268 Avg Close $344.57 Range $253.33 - $393.19

Q2 2020

Shares 637,911 Value ($000) $236,250 Avg Close $321.78 Range $244.30 - $367.51

Q1 2020

Shares 644,637 Value ($000) $176,063 Avg Close $279.63 Range $191.42 - $330.38

Q4 2019

Shares 552,663 Value ($000) $183,340 Avg Close $303.09 Range $272.14 - $327.46

Q3 2019

Shares 546,045 Value ($000) $166,118 Avg Close $294.76 Range $256.13 - $370.39

Q2 2019

Shares 456,966 Value ($000) $168,232 Avg Close $315.75 Range $292.17 - $358.95

Q1 2019

Shares 419,954 Value ($000) $130,476 Avg Close $291.63 Range $261.30 - $313.54

Q4 2018

Shares 401,306 Value ($000) $120,364 Avg Close $309.79 Range $263.62 - $361.78

Q3 2018

Shares 486,487 Value ($000) $178,570 Avg Close $320.46 Range $267.18 - $362.46

Q2 2018

Shares 512,077 Value ($000) $143,018 Avg Close $254.40 Range $219.67 - $285.17

Q1 2018

Shares 501,065 Value ($000) $118,462 Avg Close $229.19 Range $201.86 - $249.65

Q4 2017

Shares 501,206 Value ($000) $109,508 Avg Close $205.77 Range $192.81 - $224.44

Q3 2017

Shares 486,530 Value ($000) $96,917 Avg Close $186.17 Range $163.40 - $208.50

Q2 2017

Shares 467,789 Value ($000) $81,171 Avg Close $173.03 Range $162.61 - $184.32

Q1 2017

Shares 425,021 Value ($000) $72,526 Avg Close $157.56 Range $124.67 - $169.57

Q4 2016

Shares 505,883 Value ($000) $64,773 Avg Close $134.78 Range $116.12 - $181.79

Q3 2016

Shares 388,876 Value ($000) $70,643 Avg Close $159.99 Range $129.04 - $177.69

Q2 2016

Shares 392,859 Value ($000) $55,150 Avg Close $142.06 Range $123.64 - $173.90

Q1 2016

Shares 225,492 Value ($000) $36,555 Avg Close $152.87 Range $126.82 - $183.12

Q4 2015

Shares 90,023 Value ($000) $17,279 Avg Close $161.39 Range $126.46 - $191.12

Q3 2015

Shares 92,538 Value ($000) $16,270 Avg Close $202.14 Range $156.82 - $235.77

Q2 2015

Shares 99,554 Value ($000) $21,739 Avg Close $195.32 Range $173.81 - $217.00

Q1 2015

Shares 100,629 Value ($000) $18,681 Avg Close $188.35 Range $173.66 - $207.52

Q4 2014

Shares 168,706 Value ($000) $31,140 Avg Close $176.23 Range $141.17 - $191.99

Q3 2014

Shares 169,762 Value ($000) $27,827 Avg Close $167.17 Range $152.58 - $179.96

Q2 2014

Shares 195,889 Value ($000) $34,974 Avg Close $149.19 Range $124.21 - $175.88

Q1 2014

Shares 199,590 Value ($000) $29,671 Avg Close $146.95 Range $103.88 - $178.31

Q4 2013

Shares 323,025 Value ($000) $35,723 Avg Close $91.59 Range $70.79 - $111.87

Q3 2013

Shares 323,893 Value ($000) $26,180 Avg Close $76.50 Range $70.17 - $83.47

Q2 2013

Shares 325,982 Value ($000) $24,396 Avg Close $64.01 Range $52.31 - $75.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,790	$628	$117.40	$88.00 - $138.80
Q3 2025	16,518	$1,569	$99.18	$90.62 - $111.00
Q2 2025	18,882	$1,802	$81.16	$68.70 - $96.83
Q1 2025	73,861	$5,860	$108.24	$77.54 - $153.06
Q4 2024	108,418	$14,488	$142.41	$125.06 - $156.66
Q3 2024	121,815	$15,886	$123.37	$103.57 - $137.18
Q2 2024	443,725	$46,316	$112.18	$97.36 - $134.76
Q1 2024	470,048	$64,547	$134.04	$122.39 - $144.15
Q4 2023	584,279	$81,355	$115.36	$86.58 - $140.01
Q3 2023	745,870	$102,393	$164.42	$123.90 - $190.31
Q2 2023	786,005	$147,368	$202.41	$176.67 - $227.06
Q1 2023	813,602	$189,203	$204.65	$177.04 - $232.05
Q4 2022	813,162	$164,421	$207.24	$174.85 - $242.09
Q3 2022	767,858	$146,500	$197.84	$168.73 - $229.85
Q2 2022	776,268	$143,113	$255.36	$175.10 - $361.05
Q1 2022	789,972	$276,016	$337.77	$294.54 - $416.34
Q4 2021	780,746	$297,027	$378.89	$331.74 - $413.42
Q3 2021	692,897	$281,046	$459.88	$394.08 - $511.67
Q2 2021	700,693	$331,575	$402.76	$358.04 - $473.74
Q1 2021	696,807	$267,616	$407.75	$346.30 - $540.63
Q4 2020	693,281	$256,514	$318.77	$280.17 - $368.03
Q3 2020	673,831	$208,268	$344.57	$253.33 - $393.19
Q2 2020	637,911	$236,250	$321.78	$244.30 - $367.51
Q1 2020	644,637	$176,063	$279.63	$191.42 - $330.38
Q4 2019	552,663	$183,340	$303.09	$272.14 - $327.46
Q3 2019	546,045	$166,118	$294.76	$256.13 - $370.39
Q2 2019	456,966	$168,232	$315.75	$292.17 - $358.95
Q1 2019	419,954	$130,476	$291.63	$261.30 - $313.54
Q4 2018	401,306	$120,364	$309.79	$263.62 - $361.78
Q3 2018	486,487	$178,570	$320.46	$267.18 - $362.46
Q2 2018	512,077	$143,018	$254.40	$219.67 - $285.17
Q1 2018	501,065	$118,462	$229.19	$201.86 - $249.65
Q4 2017	501,206	$109,508	$205.77	$192.81 - $224.44
Q3 2017	486,530	$96,917	$186.17	$163.40 - $208.50
Q2 2017	467,789	$81,171	$173.03	$162.61 - $184.32
Q1 2017	425,021	$72,526	$157.56	$124.67 - $169.57
Q4 2016	505,883	$64,773	$134.78	$116.12 - $181.79
Q3 2016	388,876	$70,643	$159.99	$129.04 - $177.69
Q2 2016	392,859	$55,150	$142.06	$123.64 - $173.90
Q1 2016	225,492	$36,555	$152.87	$126.82 - $183.12
Q4 2015	90,023	$17,279	$161.39	$126.46 - $191.12
Q3 2015	92,538	$16,270	$202.14	$156.82 - $235.77
Q2 2015	99,554	$21,739	$195.32	$173.81 - $217.00
Q1 2015	100,629	$18,681	$188.35	$173.66 - $207.52
Q4 2014	168,706	$31,140	$176.23	$141.17 - $191.99
Q3 2014	169,762	$27,827	$167.17	$152.58 - $179.96
Q2 2014	195,889	$34,974	$149.19	$124.21 - $175.88
Q1 2014	199,590	$29,671	$146.95	$103.88 - $178.31
Q4 2013	323,025	$35,723	$91.59	$70.79 - $111.87
Q3 2013	323,893	$26,180	$76.50	$70.17 - $83.47
Q2 2013	325,982	$24,396	$64.01	$52.31 - $75.01