ILLUMINA INC

Ticker: ILMN CUSIP: 452327109 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025

Shares 241,360 Value ($000) $31,657 Avg Close $117.40 Range $88.00 - $138.80

Q3 2025

Shares 259,457 Value ($000) $24,641 Avg Close $99.18 Range $90.62 - $111.00

Q2 2025

Shares 258,616 Value ($000) $24,675 Avg Close $81.16 Range $68.70 - $96.83

Q1 2025

Shares 254,393 Value ($000) $20,184 Avg Close $108.24 Range $77.54 - $153.06

Q4 2024

Shares 253,102 Value ($000) $33,822 Avg Close $142.41 Range $125.06 - $156.66

Q3 2024

Shares 271,545 Value ($000) $35,412 Avg Close $123.37 Range $103.57 - $137.18

Q2 2024

Shares 267,484 Value ($000) $27,920 Avg Close $112.18 Range $97.36 - $134.76

Q1 2024

Shares 253,629 Value ($000) $34,828 Avg Close $134.04 Range $122.39 - $144.15

Q4 2023

Shares 252,565 Value ($000) $35,167 Avg Close $115.36 Range $86.58 - $140.01

Q3 2023

Shares 248,516 Value ($000) $34,116 Avg Close $164.42 Range $123.90 - $190.31

Q2 2023

Shares 256,369 Value ($000) $48,067 Avg Close $202.41 Range $176.67 - $227.06

Q1 2023

Shares 274,411 Value ($000) $63,814 Avg Close $204.65 Range $177.04 - $232.05

Q4 2022

Shares 276,936 Value ($000) $55,996 Avg Close $207.24 Range $174.85 - $242.09

Q3 2022

Shares 272,359 Value ($000) $51,963 Avg Close $197.84 Range $168.73 - $229.85

Q2 2022

Shares 266,727 Value ($000) $49,174 Avg Close $255.36 Range $175.10 - $361.05

Q1 2022

Shares 250,994 Value ($000) $87,697 Avg Close $337.77 Range $294.54 - $416.34

Q4 2021

Shares 263,659 Value ($000) $100,306 Avg Close $378.89 Range $331.74 - $413.42

Q3 2021

Shares 254,730 Value ($000) $103,321 Avg Close $459.88 Range $394.08 - $511.67

Q2 2021

Shares 276,389 Value ($000) $130,790 Avg Close $402.76 Range $358.04 - $473.74

Q1 2021

Shares 291,776 Value ($000) $112,059 Avg Close $407.75 Range $346.30 - $540.63

Q4 2020

Shares 289,888 Value ($000) $107,259 Avg Close $318.77 Range $280.17 - $368.03

Q3 2020

Shares 282,245 Value ($000) $87,236 Avg Close $344.57 Range $253.33 - $393.19

Q2 2020

Shares 265,628 Value ($000) $98,375 Avg Close $321.78 Range $244.30 - $367.51

Q1 2020

Shares 266,630 Value ($000) $72,822 Avg Close $279.63 Range $191.42 - $330.38

Q4 2019

Shares 267,426 Value ($000) $88,716 Avg Close $303.09 Range $272.14 - $327.46

Q3 2019

Shares 247,053 Value ($000) $75,158 Avg Close $294.76 Range $256.13 - $370.39

Q2 2019

Shares 244,012 Value ($000) $89,833 Avg Close $315.75 Range $292.17 - $358.95

Q1 2019

Shares 242,566 Value ($000) $75,363 Avg Close $291.63 Range $261.30 - $313.54

Q4 2018

Shares 240,989 Value ($000) $72,280 Avg Close $309.79 Range $263.62 - $361.78

Q3 2018

Shares 234,527 Value ($000) $86,085 Avg Close $320.46 Range $267.18 - $362.46

Q2 2018

Shares 234,715 Value ($000) $65,554 Avg Close $254.40 Range $219.67 - $285.17

Q1 2018

Shares 231,783 Value ($000) $54,798 Avg Close $229.19 Range $201.86 - $249.65

Q4 2017

Shares 239,836 Value ($000) $52,402 Avg Close $205.77 Range $192.81 - $224.44

Q3 2017

Shares 243,401 Value ($000) $48,485 Avg Close $186.17 Range $163.40 - $208.50

Q2 2017

Shares 268,301 Value ($000) $46,556 Avg Close $173.03 Range $162.61 - $184.32

Q1 2017

Shares 290,955 Value ($000) $49,649 Avg Close $157.56 Range $124.67 - $169.57

Q4 2016

Shares 304,255 Value ($000) $38,957 Avg Close $134.78 Range $116.12 - $181.79

Q3 2016

Shares 312,355 Value ($000) $56,742 Avg Close $159.99 Range $129.04 - $177.69

Q2 2016

Shares 309,655 Value ($000) $43,469 Avg Close $142.06 Range $123.64 - $173.90

Q1 2016

Shares 306,139 Value ($000) $49,628 Avg Close $152.87 Range $126.82 - $183.12

Q4 2015

Shares 267,026 Value ($000) $51,254 Avg Close $161.39 Range $126.46 - $191.12

Q3 2015

Shares 262,780 Value ($000) $46,202 Avg Close $202.14 Range $156.82 - $235.77

Q2 2015

Shares 263,180 Value ($000) $57,468 Avg Close $195.32 Range $173.81 - $217.00

Q1 2015

Shares 255,454 Value ($000) $47,422 Avg Close $188.35 Range $173.66 - $207.52

Q4 2014

Shares 259,854 Value ($000) $47,964 Avg Close $176.23 Range $141.17 - $191.99

Q3 2014

Shares 257,354 Value ($000) $42,185 Avg Close $167.17 Range $152.58 - $179.96

Q2 2014

Shares 234,408 Value ($000) $41,851 Avg Close $149.19 Range $124.21 - $175.88

Q1 2014

Shares 226,208 Value ($000) $33,628 Avg Close $146.95 Range $103.88 - $178.31

Q4 2013

Shares 225,208 Value ($000) $24,913 Avg Close $91.59 Range $70.79 - $111.87

Q3 2013

Shares 223,708 Value ($000) $18,082 Avg Close $76.50 Range $70.17 - $83.47

Q2 2013

Shares 216,740 Value ($000) $16,221 Avg Close $64.01 Range $52.31 - $75.01

Q1 2013

Shares 214,629 Value ($000) $11,590 Avg Close $50.26 Range $46.69 - $55.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	241,360	$31,657	$117.40	$88.00 - $138.80
Q3 2025	259,457	$24,641	$99.18	$90.62 - $111.00
Q2 2025	258,616	$24,675	$81.16	$68.70 - $96.83
Q1 2025	254,393	$20,184	$108.24	$77.54 - $153.06
Q4 2024	253,102	$33,822	$142.41	$125.06 - $156.66
Q3 2024	271,545	$35,412	$123.37	$103.57 - $137.18
Q2 2024	267,484	$27,920	$112.18	$97.36 - $134.76
Q1 2024	253,629	$34,828	$134.04	$122.39 - $144.15
Q4 2023	252,565	$35,167	$115.36	$86.58 - $140.01
Q3 2023	248,516	$34,116	$164.42	$123.90 - $190.31
Q2 2023	256,369	$48,067	$202.41	$176.67 - $227.06
Q1 2023	274,411	$63,814	$204.65	$177.04 - $232.05
Q4 2022	276,936	$55,996	$207.24	$174.85 - $242.09
Q3 2022	272,359	$51,963	$197.84	$168.73 - $229.85
Q2 2022	266,727	$49,174	$255.36	$175.10 - $361.05
Q1 2022	250,994	$87,697	$337.77	$294.54 - $416.34
Q4 2021	263,659	$100,306	$378.89	$331.74 - $413.42
Q3 2021	254,730	$103,321	$459.88	$394.08 - $511.67
Q2 2021	276,389	$130,790	$402.76	$358.04 - $473.74
Q1 2021	291,776	$112,059	$407.75	$346.30 - $540.63
Q4 2020	289,888	$107,259	$318.77	$280.17 - $368.03
Q3 2020	282,245	$87,236	$344.57	$253.33 - $393.19
Q2 2020	265,628	$98,375	$321.78	$244.30 - $367.51
Q1 2020	266,630	$72,822	$279.63	$191.42 - $330.38
Q4 2019	267,426	$88,716	$303.09	$272.14 - $327.46
Q3 2019	247,053	$75,158	$294.76	$256.13 - $370.39
Q2 2019	244,012	$89,833	$315.75	$292.17 - $358.95
Q1 2019	242,566	$75,363	$291.63	$261.30 - $313.54
Q4 2018	240,989	$72,280	$309.79	$263.62 - $361.78
Q3 2018	234,527	$86,085	$320.46	$267.18 - $362.46
Q2 2018	234,715	$65,554	$254.40	$219.67 - $285.17
Q1 2018	231,783	$54,798	$229.19	$201.86 - $249.65
Q4 2017	239,836	$52,402	$205.77	$192.81 - $224.44
Q3 2017	243,401	$48,485	$186.17	$163.40 - $208.50
Q2 2017	268,301	$46,556	$173.03	$162.61 - $184.32
Q1 2017	290,955	$49,649	$157.56	$124.67 - $169.57
Q4 2016	304,255	$38,957	$134.78	$116.12 - $181.79
Q3 2016	312,355	$56,742	$159.99	$129.04 - $177.69
Q2 2016	309,655	$43,469	$142.06	$123.64 - $173.90
Q1 2016	306,139	$49,628	$152.87	$126.82 - $183.12
Q4 2015	267,026	$51,254	$161.39	$126.46 - $191.12
Q3 2015	262,780	$46,202	$202.14	$156.82 - $235.77
Q2 2015	263,180	$57,468	$195.32	$173.81 - $217.00
Q1 2015	255,454	$47,422	$188.35	$173.66 - $207.52
Q4 2014	259,854	$47,964	$176.23	$141.17 - $191.99
Q3 2014	257,354	$42,185	$167.17	$152.58 - $179.96
Q2 2014	234,408	$41,851	$149.19	$124.21 - $175.88
Q1 2014	226,208	$33,628	$146.95	$103.88 - $178.31
Q4 2013	225,208	$24,913	$91.59	$70.79 - $111.87
Q3 2013	223,708	$18,082	$76.50	$70.17 - $83.47
Q2 2013	216,740	$16,221	$64.01	$52.31 - $75.01
Q1 2013	214,629	$11,590	$50.26	$46.69 - $55.04