ILLUMINA INC

Ticker: ILMN CUSIP: 452327109 Class: COM

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2023

Shares 11,391 Value ($000) $1,586 Avg Close $115.36 Range $86.58 - $140.01

Q3 2023

Shares 11,408 Value ($000) $1,566 Avg Close $164.42 Range $123.90 - $190.31

Q2 2023

Shares 141,525 Value ($000) $26,535 Avg Close $202.41 Range $176.67 - $227.06

Q1 2023

Shares 145,404 Value ($000) $33,814 Avg Close $204.65 Range $177.04 - $232.05

Q4 2022

Shares 138,123 Value ($000) $27,928 Avg Close $207.24 Range $174.85 - $242.09

Q3 2022

Shares 68,423 Value ($000) $13,054 Avg Close $197.84 Range $168.73 - $229.85

Q2 2022

Shares 71,188 Value ($000) $13,124 Avg Close $255.36 Range $175.10 - $361.05

Q1 2022

Shares 78,008 Value ($000) $27,256 Avg Close $337.77 Range $294.54 - $416.34

Q4 2021

Shares 88,470 Value ($000) $33,658 Avg Close $378.89 Range $331.74 - $413.42

Q3 2021

Shares 99,917 Value ($000) $40,527 Avg Close $459.88 Range $394.08 - $511.67

Q2 2021

Shares 108,130 Value ($000) $51,168 Avg Close $402.76 Range $358.04 - $473.74

Q1 2021

Shares 71,869 Value ($000) $27,602 Avg Close $407.75 Range $346.30 - $540.63

Q4 2020

Shares 86,790 Value ($000) $32,112 Avg Close $318.77 Range $280.17 - $368.03

Q3 2020

Shares 109,867 Value ($000) $33,958 Avg Close $344.57 Range $253.33 - $393.19

Q2 2020

Shares 89,603 Value ($000) $33,184 Avg Close $321.78 Range $244.30 - $367.51

Q1 2020

Shares 96,423 Value ($000) $26,335 Avg Close $279.63 Range $191.42 - $330.38

Q4 2019

Shares 109,838 Value ($000) $36,438 Avg Close $303.09 Range $272.14 - $327.46

Q3 2019

Shares 85,562 Value ($000) $26,030 Avg Close $294.76 Range $256.13 - $370.39

Q2 2019

Shares 85,140 Value ($000) $31,344 Avg Close $315.75 Range $292.17 - $358.95

Q1 2019

Shares 132,100 Value ($000) $41,042 Avg Close $291.63 Range $261.30 - $313.54

Q4 2018

Shares 143,939 Value ($000) $43,172 Avg Close $309.79 Range $263.62 - $361.78

Q3 2018

Shares 309,339 Value ($000) $113,546 Avg Close $320.46 Range $267.18 - $362.46

Q2 2018

Shares 286,118 Value ($000) $79,910 Avg Close $254.40 Range $219.67 - $285.17

Q1 2018

Shares 358,921 Value ($000) $84,856 Avg Close $229.19 Range $201.86 - $249.65

Q4 2017

Shares 389,362 Value ($000) $85,072 Avg Close $205.77 Range $192.81 - $224.44

Q3 2017

Shares 423,876 Value ($000) $84,436 Avg Close $186.17 Range $163.40 - $208.50

Q2 2017

Shares 435,720 Value ($000) $75,606 Avg Close $173.03 Range $162.61 - $184.32

Q1 2017

Shares 458,672 Value ($000) $78,268 Avg Close $157.56 Range $124.67 - $169.57

Q4 2016

Shares 481,675 Value ($000) $61,674 Avg Close $134.78 Range $116.12 - $181.79

Q3 2016

Shares 531,635 Value ($000) $96,577 Avg Close $159.99 Range $129.04 - $177.69

Q2 2016

Shares 425,167 Value ($000) $59,685 Avg Close $142.06 Range $123.64 - $173.90

Q1 2016

Shares 439,934 Value ($000) $71,318 Avg Close $152.87 Range $126.82 - $183.12

Q4 2015

Shares 467,964 Value ($000) $89,823 Avg Close $161.39 Range $126.46 - $191.12

Q3 2015

Shares 460,202 Value ($000) $80,913 Avg Close $202.14 Range $156.82 - $235.77

Q2 2015

Shares 745,152 Value ($000) $162,711 Avg Close $195.32 Range $173.81 - $217.00

Q1 2015

Shares 746,268 Value ($000) $138,537 Avg Close $188.35 Range $173.66 - $207.52

Q4 2014

Shares 780,444 Value ($000) $144,054 Avg Close $176.23 Range $141.17 - $191.99

Q3 2014

Shares 767,315 Value ($000) $125,778 Avg Close $167.17 Range $152.58 - $179.96

Q2 2014

Shares 780,038 Value ($000) $139,268 Avg Close $149.19 Range $124.21 - $175.88

Q1 2014

Shares 816,662 Value ($000) $121,405 Avg Close $146.95 Range $103.88 - $178.31

Q4 2013

Shares 825,026 Value ($000) $91,240 Avg Close $91.59 Range $70.79 - $111.87

Q3 2013

Shares 892,996 Value ($000) $72,181 Avg Close $76.50 Range $70.17 - $83.47

Q2 2013

Shares 1,203,660 Value ($000) $90,082 Avg Close $64.01 Range $52.31 - $75.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	11,391	$1,586	$115.36	$86.58 - $140.01
Q3 2023	11,408	$1,566	$164.42	$123.90 - $190.31
Q2 2023	141,525	$26,535	$202.41	$176.67 - $227.06
Q1 2023	145,404	$33,814	$204.65	$177.04 - $232.05
Q4 2022	138,123	$27,928	$207.24	$174.85 - $242.09
Q3 2022	68,423	$13,054	$197.84	$168.73 - $229.85
Q2 2022	71,188	$13,124	$255.36	$175.10 - $361.05
Q1 2022	78,008	$27,256	$337.77	$294.54 - $416.34
Q4 2021	88,470	$33,658	$378.89	$331.74 - $413.42
Q3 2021	99,917	$40,527	$459.88	$394.08 - $511.67
Q2 2021	108,130	$51,168	$402.76	$358.04 - $473.74
Q1 2021	71,869	$27,602	$407.75	$346.30 - $540.63
Q4 2020	86,790	$32,112	$318.77	$280.17 - $368.03
Q3 2020	109,867	$33,958	$344.57	$253.33 - $393.19
Q2 2020	89,603	$33,184	$321.78	$244.30 - $367.51
Q1 2020	96,423	$26,335	$279.63	$191.42 - $330.38
Q4 2019	109,838	$36,438	$303.09	$272.14 - $327.46
Q3 2019	85,562	$26,030	$294.76	$256.13 - $370.39
Q2 2019	85,140	$31,344	$315.75	$292.17 - $358.95
Q1 2019	132,100	$41,042	$291.63	$261.30 - $313.54
Q4 2018	143,939	$43,172	$309.79	$263.62 - $361.78
Q3 2018	309,339	$113,546	$320.46	$267.18 - $362.46
Q2 2018	286,118	$79,910	$254.40	$219.67 - $285.17
Q1 2018	358,921	$84,856	$229.19	$201.86 - $249.65
Q4 2017	389,362	$85,072	$205.77	$192.81 - $224.44
Q3 2017	423,876	$84,436	$186.17	$163.40 - $208.50
Q2 2017	435,720	$75,606	$173.03	$162.61 - $184.32
Q1 2017	458,672	$78,268	$157.56	$124.67 - $169.57
Q4 2016	481,675	$61,674	$134.78	$116.12 - $181.79
Q3 2016	531,635	$96,577	$159.99	$129.04 - $177.69
Q2 2016	425,167	$59,685	$142.06	$123.64 - $173.90
Q1 2016	439,934	$71,318	$152.87	$126.82 - $183.12
Q4 2015	467,964	$89,823	$161.39	$126.46 - $191.12
Q3 2015	460,202	$80,913	$202.14	$156.82 - $235.77
Q2 2015	745,152	$162,711	$195.32	$173.81 - $217.00
Q1 2015	746,268	$138,537	$188.35	$173.66 - $207.52
Q4 2014	780,444	$144,054	$176.23	$141.17 - $191.99
Q3 2014	767,315	$125,778	$167.17	$152.58 - $179.96
Q2 2014	780,038	$139,268	$149.19	$124.21 - $175.88
Q1 2014	816,662	$121,405	$146.95	$103.88 - $178.31
Q4 2013	825,026	$91,240	$91.59	$70.79 - $111.87
Q3 2013	892,996	$72,181	$76.50	$70.17 - $83.47
Q2 2013	1,203,660	$90,082	$64.01	$52.31 - $75.01