ILLUMINA INC

Ticker: ILMN CUSIP: 452327109 Class: COM

BARCLAYS PLC's Holding History (CIK: 0000312069)

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

Q4 2025

Shares 199,302 Value ($000) $26,140 Avg Close $117.40 Range $88.00 - $138.80

Q3 2025

Shares 215,380 Value ($000) $28,088 Avg Close $99.18 Range $90.62 - $111.00

Q2 2025

Shares 225,854 Value ($000) $21,549 Avg Close $81.16 Range $68.70 - $96.83

Q1 2025

Shares 216,159 Value ($000) $17,150 Avg Close $108.24 Range $77.54 - $153.06

Q4 2024

Shares 215,914 Value ($000) $28,853 Avg Close $142.41 Range $125.06 - $156.66

Q3 2024

Shares 215,380 Value ($000) $28 Avg Close $123.37 Range $103.57 - $137.18

Q2 2024

Shares 315,068 Value ($000) $32,887 Avg Close $112.18 Range $97.36 - $134.76

Q1 2024

Shares 775,416 Value ($000) $106,480 Avg Close $134.04 Range $122.39 - $144.15

Q4 2023

Shares 1,052,357 Value ($000) $146,530 Avg Close $115.36 Range $86.58 - $140.01

Q3 2023

Shares 1,768,355 Value ($000) $242,760 Avg Close $164.42 Range $123.90 - $190.31

Q2 2023

Shares 803,646 Value ($000) $151 Avg Close $202.41 Range $176.67 - $227.06

Q1 2023

Shares 219,665 Value ($000) $51 Avg Close $204.65 Range $177.04 - $232.05

Q4 2022

Shares 227,250 Value ($000) $46 Avg Close $207.24 Range $174.85 - $242.09

Q3 2022

Shares 180,051 Value ($000) $34,352 Avg Close $197.84 Range $168.73 - $229.85

Q2 2022

Shares 211,208 Value ($000) $38,939 Avg Close $255.36 Range $175.10 - $361.05

Q1 2022

Shares 243,535 Value ($000) $85,090 Avg Close $337.77 Range $294.54 - $416.34

Q4 2021

Shares 344,859 Value ($000) $131,200 Avg Close $378.89 Range $331.74 - $413.42

Q3 2021

Shares 339,554 Value ($000) $137,727 Avg Close $459.88 Range $394.08 - $511.67

Q2 2021

Shares 232,107 Value ($000) $109,834 Avg Close $402.76 Range $358.04 - $473.74

Q1 2021

Shares 235,499 Value ($000) $90,446 Avg Close $407.75 Range $346.30 - $540.63

Q4 2020

Shares 167,217 Value ($000) $61,870 Avg Close $318.77 Range $280.17 - $368.03

Q3 2020

Shares 137,725 Value ($000) $42,569 Avg Close $344.57 Range $253.33 - $393.19

Q2 2020

Shares 126,192 Value ($000) $46,735 Avg Close $321.78 Range $244.30 - $367.51

Q1 2020

Shares 150,920 Value ($000) $41,217 Avg Close $279.63 Range $191.42 - $330.38

Q4 2019

Shares 344,611 Value ($000) $114,318 Avg Close $303.09 Range $272.14 - $327.46

Q3 2019

Shares 405,701 Value ($000) $123,422 Avg Close $294.76 Range $256.13 - $370.39

Q2 2019

Shares 227,659 Value ($000) $83,813 Avg Close $315.75 Range $292.17 - $358.95

Q1 2019

Shares 175,065 Value ($000) $54,391 Avg Close $291.63 Range $261.30 - $313.54

Q4 2018

Shares 196,291 Value ($000) $58,873 Avg Close $309.79 Range $263.62 - $361.78

Q3 2018

Shares 265,035 Value ($000) $97,283 Avg Close $320.46 Range $267.18 - $362.46

Q2 2018

Shares 225,970 Value ($000) $63,111 Avg Close $254.40 Range $219.67 - $285.17

Q1 2018

Shares 308,482 Value ($000) $72,930 Avg Close $229.19 Range $201.86 - $249.65

Q4 2017

Shares 216,533 Value ($000) $47,309 Avg Close $205.77 Range $192.81 - $224.44

Q3 2017

Shares 151,655 Value ($000) $30,209 Avg Close $186.17 Range $163.40 - $208.50

Q2 2017

Shares 145,270 Value ($000) $25,206 Avg Close $173.03 Range $162.61 - $184.32

Q1 2017

Shares 150,788 Value ($000) $25,730 Avg Close $157.56 Range $124.67 - $169.57

Q4 2016

Shares 362,212 Value ($000) $46,378 Avg Close $134.78 Range $116.12 - $181.79

Q3 2016

Shares 150,020 Value ($000) $27,253 Avg Close $159.99 Range $129.04 - $177.69

Q2 2016

Shares 78,023 Value ($000) $10,951 Avg Close $142.06 Range $123.64 - $173.90

Q1 2016

Shares 150,446 Value ($000) $24,374 Avg Close $152.87 Range $126.82 - $183.12

Q4 2015

Shares 158,137 Value ($000) $30,205 Avg Close $161.39 Range $126.46 - $191.12

Q3 2015

Shares 128,047 Value ($000) $22,408 Avg Close $202.14 Range $156.82 - $235.77

Q2 2015

Shares 146,508 Value ($000) $31,940 Avg Close $195.32 Range $173.81 - $217.00

Q1 2015

Shares 182,930 Value ($000) $33,842 Avg Close $188.35 Range $173.66 - $207.52

Q4 2014

Shares 109,485 Value ($000) $20,145 Avg Close $176.23 Range $141.17 - $191.99

Q3 2014

Shares 58,754 Value ($000) $9,576 Avg Close $167.17 Range $152.58 - $179.96

Q2 2014

Shares 81,193 Value ($000) $14,452 Avg Close $149.19 Range $124.21 - $175.88

Q1 2014

Shares 147,181 Value ($000) $21,782 Avg Close $146.95 Range $103.88 - $178.31

Q4 2013

Shares 57,833 Value ($000) $6,362 Avg Close $91.59 Range $70.79 - $111.87

Q3 2013

Shares 62,655 Value ($000) $5,012 Avg Close $76.50 Range $70.17 - $83.47

Q2 2013

Shares 72,354 Value ($000) $5,415 Avg Close $64.01 Range $52.31 - $75.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	199,302	$26,140	$117.40	$88.00 - $138.80
Q3 2025	215,380	$28,088	$99.18	$90.62 - $111.00
Q2 2025	225,854	$21,549	$81.16	$68.70 - $96.83
Q1 2025	216,159	$17,150	$108.24	$77.54 - $153.06
Q4 2024	215,914	$28,853	$142.41	$125.06 - $156.66
Q3 2024	215,380	$28	$123.37	$103.57 - $137.18
Q2 2024	315,068	$32,887	$112.18	$97.36 - $134.76
Q1 2024	775,416	$106,480	$134.04	$122.39 - $144.15
Q4 2023	1,052,357	$146,530	$115.36	$86.58 - $140.01
Q3 2023	1,768,355	$242,760	$164.42	$123.90 - $190.31
Q2 2023	803,646	$151	$202.41	$176.67 - $227.06
Q1 2023	219,665	$51	$204.65	$177.04 - $232.05
Q4 2022	227,250	$46	$207.24	$174.85 - $242.09
Q3 2022	180,051	$34,352	$197.84	$168.73 - $229.85
Q2 2022	211,208	$38,939	$255.36	$175.10 - $361.05
Q1 2022	243,535	$85,090	$337.77	$294.54 - $416.34
Q4 2021	344,859	$131,200	$378.89	$331.74 - $413.42
Q3 2021	339,554	$137,727	$459.88	$394.08 - $511.67
Q2 2021	232,107	$109,834	$402.76	$358.04 - $473.74
Q1 2021	235,499	$90,446	$407.75	$346.30 - $540.63
Q4 2020	167,217	$61,870	$318.77	$280.17 - $368.03
Q3 2020	137,725	$42,569	$344.57	$253.33 - $393.19
Q2 2020	126,192	$46,735	$321.78	$244.30 - $367.51
Q1 2020	150,920	$41,217	$279.63	$191.42 - $330.38
Q4 2019	344,611	$114,318	$303.09	$272.14 - $327.46
Q3 2019	405,701	$123,422	$294.76	$256.13 - $370.39
Q2 2019	227,659	$83,813	$315.75	$292.17 - $358.95
Q1 2019	175,065	$54,391	$291.63	$261.30 - $313.54
Q4 2018	196,291	$58,873	$309.79	$263.62 - $361.78
Q3 2018	265,035	$97,283	$320.46	$267.18 - $362.46
Q2 2018	225,970	$63,111	$254.40	$219.67 - $285.17
Q1 2018	308,482	$72,930	$229.19	$201.86 - $249.65
Q4 2017	216,533	$47,309	$205.77	$192.81 - $224.44
Q3 2017	151,655	$30,209	$186.17	$163.40 - $208.50
Q2 2017	145,270	$25,206	$173.03	$162.61 - $184.32
Q1 2017	150,788	$25,730	$157.56	$124.67 - $169.57
Q4 2016	362,212	$46,378	$134.78	$116.12 - $181.79
Q3 2016	150,020	$27,253	$159.99	$129.04 - $177.69
Q2 2016	78,023	$10,951	$142.06	$123.64 - $173.90
Q1 2016	150,446	$24,374	$152.87	$126.82 - $183.12
Q4 2015	158,137	$30,205	$161.39	$126.46 - $191.12
Q3 2015	128,047	$22,408	$202.14	$156.82 - $235.77
Q2 2015	146,508	$31,940	$195.32	$173.81 - $217.00
Q1 2015	182,930	$33,842	$188.35	$173.66 - $207.52
Q4 2014	109,485	$20,145	$176.23	$141.17 - $191.99
Q3 2014	58,754	$9,576	$167.17	$152.58 - $179.96
Q2 2014	81,193	$14,452	$149.19	$124.21 - $175.88
Q1 2014	147,181	$21,782	$146.95	$103.88 - $178.31
Q4 2013	57,833	$6,362	$91.59	$70.79 - $111.87
Q3 2013	62,655	$5,012	$76.50	$70.17 - $83.47
Q2 2013	72,354	$5,415	$64.01	$52.31 - $75.01