SILICON LABORATORIES INC

Ticker: SLAB CUSIP: 826919102 Class: Common Stock

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

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

Q4 2025

Shares 31,266 Value ($000) $4,086 Avg Close $131.47 Range $115.51 - $146.62

Q3 2025

Shares 30,757 Value ($000) $4,033 Avg Close $136.18 Range $119.59 - $153.71

Q2 2025

Shares 29,852 Value ($000) $4,399 Avg Close $118.28 Range $82.82 - $150.25

Q1 2025

Shares 29,852 Value ($000) $3,360 Avg Close $135.11 Range $109.91 - $160.00

Q4 2024

Shares 30,190 Value ($000) $3,750 Avg Close $114.70 Range $96.60 - $133.59

Q3 2024

Shares 30,209 Value ($000) $3,491 Avg Close $111.62 Range $94.00 - $126.27

Q2 2024

Shares 31,129 Value ($000) $3,444 Avg Close $123.50 Range $107.04 - $146.44

Q1 2024

Shares 31,857 Value ($000) $4,578 Avg Close $132.52 Range $114.35 - $154.91

Q4 2023

Shares 33,712 Value ($000) $4,459 Avg Close $109.36 Range $74.56 - $136.83

Q3 2023

Shares 35,190 Value ($000) $4,078 Avg Close $138.09 Range $113.33 - $166.94

Q2 2023

Shares 38,725 Value ($000) $6,108 Avg Close $151.04 Range $132.40 - $174.91

Q1 2023

Shares 41,018 Value ($000) $7,182 Avg Close $168.08 Range $132.96 - $194.68

Q4 2022

Shares 43,065 Value ($000) $5,843 Avg Close $131.44 Range $109.44 - $150.70

Q3 2022

Shares 44,889 Value ($000) $5,541 Avg Close $133.68 Range $113.48 - $154.79

Q2 2022

Shares 48,144 Value ($000) $6,751 Avg Close $139.98 Range $124.78 - $153.84

Q1 2022

Shares 50,487 Value ($000) $7,583 Avg Close $159.80 Range $130.96 - $211.98

Q4 2021

Shares 59,604 Value ($000) $12,303 Avg Close $184.14 Range $135.05 - $210.98

Q3 2021

Shares 60,639 Value ($000) $8,499 Avg Close $150.07 Range $134.54 - $160.89

Q2 2021

Shares 61,200 Value ($000) $9,379 Avg Close $139.81 Range $120.15 - $162.28

Q1 2021

Shares 65,455 Value ($000) $9,234 Avg Close $143.40 Range $124.76 - $163.43

Q4 2020

Shares 65,663 Value ($000) $8,362 Avg Close $112.65 Range $94.77 - $128.88

Q3 2020

Shares 65,595 Value ($000) $6,418 Avg Close $100.56 Range $92.19 - $107.00

Q2 2020

Shares 65,482 Value ($000) $6,566 Avg Close $93.46 Range $76.64 - $104.49

Q1 2020

Shares 65,347 Value ($000) $5,581 Avg Close $99.22 Range $65.09 - $122.90

Q4 2019

Shares 65,671 Value ($000) $7,617 Avg Close $109.67 Range $101.93 - $117.39

Q3 2019

Shares 66,997 Value ($000) $7,460 Avg Close $108.27 Range $100.42 - $115.29

Q2 2019

Shares 66,197 Value ($000) $6,845 Avg Close $96.50 Range $81.61 - $110.43

Q1 2019

Shares 65,761 Value ($000) $5,317 Avg Close $83.18 Range $74.01 - $92.62

Q4 2018

Shares 67,224 Value ($000) $5,298 Avg Close $83.13 Range $73.13 - $93.73

Q3 2018

Shares 65,707 Value ($000) $6,032 Avg Close $97.73 Range $90.50 - $108.15

Q2 2018

Shares 65,731 Value ($000) $6,547 Avg Close $100.00 Range $85.96 - $110.70

Q1 2018

Shares 63,934 Value ($000) $5,748 Avg Close $94.32 Range $84.48 - $101.20

Q4 2017

Shares 66,175 Value ($000) $5,843 Avg Close $89.86 Range $80.17 - $96.93

Q3 2017

Shares 67,216 Value ($000) $5,371 Avg Close $74.44 Range $66.35 - $81.95

Q2 2017

Shares 74,412 Value ($000) $5,086 Avg Close $72.28 Range $66.85 - $78.45

Q1 2017

Shares 81,289 Value ($000) $5,979 Avg Close $69.95 Range $63.15 - $75.60

Q4 2016

Shares 85,189 Value ($000) $5,537 Avg Close $62.93 Range $55.97 - $68.95

Q3 2016

Shares 87,489 Value ($000) $5,144 Avg Close $54.01 Range $45.94 - $59.35

Q2 2016

Shares 86,589 Value ($000) $4,220 Avg Close $47.19 Range $42.63 - $51.00

Q1 2016

Shares 90,788 Value ($000) $4,082 Avg Close $43.02 Range $36.56 - $48.00

Q4 2015

Shares 79,106 Value ($000) $3,840 Avg Close $49.45 Range $40.03 - $54.72

Q3 2015

Shares 77,906 Value ($000) $3,236 Avg Close $45.65 Range $39.33 - $55.08

Q2 2015

Shares 78,006 Value ($000) $4,213 Avg Close $53.48 Range $49.62 - $58.54

Q1 2015

Shares 79,506 Value ($000) $4,037 Avg Close $48.54 Range $42.61 - $52.83

Q4 2014

Shares 81,006 Value ($000) $3,858 Avg Close $44.13 Range $36.29 - $48.50

Q3 2014

Shares 80,263 Value ($000) $3,262 Avg Close $43.99 Range $39.28 - $50.05

Q2 2014

Shares 80,963 Value ($000) $3,987 Avg Close $47.57 Range $42.41 - $53.78

Q1 2014

Shares 77,208 Value ($000) $4,034 Avg Close $48.31 Range $41.19 - $54.00

Q4 2013

Shares 76,808 Value ($000) $3,327 Avg Close $40.96 Range $37.57 - $44.19

Q3 2013

Shares 76,308 Value ($000) $3,259 Avg Close $41.35 Range $38.16 - $46.21

Q2 2013

Shares 73,967 Value ($000) $3,063 Avg Close $41.29 Range $38.04 - $44.00

Q1 2013

Shares 74,572 Value ($000) $3,084 Avg Close $42.23 Range $39.65 - $47.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	31,266	$4,086	$131.47	$115.51 - $146.62
Q3 2025	30,757	$4,033	$136.18	$119.59 - $153.71
Q2 2025	29,852	$4,399	$118.28	$82.82 - $150.25
Q1 2025	29,852	$3,360	$135.11	$109.91 - $160.00
Q4 2024	30,190	$3,750	$114.70	$96.60 - $133.59
Q3 2024	30,209	$3,491	$111.62	$94.00 - $126.27
Q2 2024	31,129	$3,444	$123.50	$107.04 - $146.44
Q1 2024	31,857	$4,578	$132.52	$114.35 - $154.91
Q4 2023	33,712	$4,459	$109.36	$74.56 - $136.83
Q3 2023	35,190	$4,078	$138.09	$113.33 - $166.94
Q2 2023	38,725	$6,108	$151.04	$132.40 - $174.91
Q1 2023	41,018	$7,182	$168.08	$132.96 - $194.68
Q4 2022	43,065	$5,843	$131.44	$109.44 - $150.70
Q3 2022	44,889	$5,541	$133.68	$113.48 - $154.79
Q2 2022	48,144	$6,751	$139.98	$124.78 - $153.84
Q1 2022	50,487	$7,583	$159.80	$130.96 - $211.98
Q4 2021	59,604	$12,303	$184.14	$135.05 - $210.98
Q3 2021	60,639	$8,499	$150.07	$134.54 - $160.89
Q2 2021	61,200	$9,379	$139.81	$120.15 - $162.28
Q1 2021	65,455	$9,234	$143.40	$124.76 - $163.43
Q4 2020	65,663	$8,362	$112.65	$94.77 - $128.88
Q3 2020	65,595	$6,418	$100.56	$92.19 - $107.00
Q2 2020	65,482	$6,566	$93.46	$76.64 - $104.49
Q1 2020	65,347	$5,581	$99.22	$65.09 - $122.90
Q4 2019	65,671	$7,617	$109.67	$101.93 - $117.39
Q3 2019	66,997	$7,460	$108.27	$100.42 - $115.29
Q2 2019	66,197	$6,845	$96.50	$81.61 - $110.43
Q1 2019	65,761	$5,317	$83.18	$74.01 - $92.62
Q4 2018	67,224	$5,298	$83.13	$73.13 - $93.73
Q3 2018	65,707	$6,032	$97.73	$90.50 - $108.15
Q2 2018	65,731	$6,547	$100.00	$85.96 - $110.70
Q1 2018	63,934	$5,748	$94.32	$84.48 - $101.20
Q4 2017	66,175	$5,843	$89.86	$80.17 - $96.93
Q3 2017	67,216	$5,371	$74.44	$66.35 - $81.95
Q2 2017	74,412	$5,086	$72.28	$66.85 - $78.45
Q1 2017	81,289	$5,979	$69.95	$63.15 - $75.60
Q4 2016	85,189	$5,537	$62.93	$55.97 - $68.95
Q3 2016	87,489	$5,144	$54.01	$45.94 - $59.35
Q2 2016	86,589	$4,220	$47.19	$42.63 - $51.00
Q1 2016	90,788	$4,082	$43.02	$36.56 - $48.00
Q4 2015	79,106	$3,840	$49.45	$40.03 - $54.72
Q3 2015	77,906	$3,236	$45.65	$39.33 - $55.08
Q2 2015	78,006	$4,213	$53.48	$49.62 - $58.54
Q1 2015	79,506	$4,037	$48.54	$42.61 - $52.83
Q4 2014	81,006	$3,858	$44.13	$36.29 - $48.50
Q3 2014	80,263	$3,262	$43.99	$39.28 - $50.05
Q2 2014	80,963	$3,987	$47.57	$42.41 - $53.78
Q1 2014	77,208	$4,034	$48.31	$41.19 - $54.00
Q4 2013	76,808	$3,327	$40.96	$37.57 - $44.19
Q3 2013	76,308	$3,259	$41.35	$38.16 - $46.21
Q2 2013	73,967	$3,063	$41.29	$38.04 - $44.00
Q1 2013	74,572	$3,084	$42.23	$39.65 - $47.41