SILICON LABORATORIES INC

Ticker: SLAB CUSIP: 826919102 Class: Common Stock

DAVIDSON INVESTMENT ADVISORS's Holding History (CIK: 0001140771)

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

Q4 2025

Shares 145,757 Value ($000) $19,050 Avg Close $131.47 Range $115.51 - $146.62

Q3 2025

Shares 146,926 Value ($000) $19,266 Avg Close $136.18 Range $119.59 - $153.71

Q2 2025

Shares 145,982 Value ($000) $21,512 Avg Close $118.28 Range $82.82 - $150.25

Q1 2025

Shares 144,502 Value ($000) $16,267 Avg Close $135.11 Range $109.91 - $160.00

Q4 2024

Shares 139,807 Value ($000) $17,367 Avg Close $114.70 Range $96.60 - $133.59

Q3 2024

Shares 138,392 Value ($000) $15,994 Avg Close $111.62 Range $94.00 - $126.27

Q2 2024

Shares 131,453 Value ($000) $14,543 Avg Close $123.50 Range $107.04 - $146.44

Q1 2024

Shares 96,136 Value ($000) $13,817 Avg Close $132.52 Range $114.35 - $154.91

Q4 2023

Shares 89,514 Value ($000) $11,840 Avg Close $109.36 Range $74.56 - $136.83

Q3 2023

Shares 87,809 Value ($000) $10,176 Avg Close $138.09 Range $113.33 - $166.94

Q2 2023

Shares 86,192 Value ($000) $13,596 Avg Close $151.04 Range $132.40 - $174.91

Q1 2023

Shares 85,866 Value ($000) $15,034 Avg Close $168.08 Range $132.96 - $194.68

Q4 2022

Shares 76,933 Value ($000) $10,438 Avg Close $131.44 Range $109.44 - $150.70

Q3 2022

Shares 75,174 Value ($000) $9,279 Avg Close $133.68 Range $113.48 - $154.79

Q2 2022

Shares 72,595 Value ($000) $10,179 Avg Close $139.98 Range $124.78 - $153.84

Q1 2022

Shares 72,175 Value ($000) $10,841 Avg Close $159.80 Range $130.96 - $211.98

Q4 2021

Shares 86,879 Value ($000) $17,934 Avg Close $184.14 Range $135.05 - $210.98

Q3 2021

Shares 90,052 Value ($000) $12,622 Avg Close $150.07 Range $134.54 - $160.89

Q2 2021

Shares 87,739 Value ($000) $13,446 Avg Close $139.81 Range $120.15 - $162.28

Q1 2021

Shares 92,783 Value ($000) $13,089 Avg Close $143.40 Range $124.76 - $163.43

Q4 2020

Shares 91,188 Value ($000) $11,612 Avg Close $112.65 Range $94.77 - $128.88

Q3 2020

Shares 92,978 Value ($000) $9,098 Avg Close $100.56 Range $92.19 - $107.00

Q2 2020

Shares 68,124 Value ($000) $6,831 Avg Close $93.46 Range $76.64 - $104.49

Q1 2020

Shares 70,559 Value ($000) $6,026 Avg Close $99.22 Range $65.09 - $122.90

Q4 2019

Shares 73,519 Value ($000) $8,527 Avg Close $109.67 Range $101.93 - $117.39

Q3 2019

Shares 73,907 Value ($000) $8,230 Avg Close $108.27 Range $100.42 - $115.29

Q2 2019

Shares 74,558 Value ($000) $7,709 Avg Close $96.50 Range $81.61 - $110.43

Q1 2019

Shares 76,063 Value ($000) $6,150 Avg Close $83.18 Range $74.01 - $92.62

Q4 2018

Shares 76,738 Value ($000) $6,048 Avg Close $83.13 Range $73.13 - $93.73

Q3 2018

Shares 73,163 Value ($000) $6,716 Avg Close $97.73 Range $90.50 - $108.15

Q2 2018

Shares 73,758 Value ($000) $7,346 Avg Close $100.00 Range $85.96 - $110.70

Q1 2018

Shares 74,473 Value ($000) $6,695 Avg Close $94.32 Range $84.48 - $101.20

Q4 2017

Shares 77,640 Value ($000) $6,856 Avg Close $89.86 Range $80.17 - $96.93

Q3 2017

Shares 129,680 Value ($000) $10,361 Avg Close $74.44 Range $66.35 - $81.95

Q2 2017

Shares 89,600 Value ($000) $6,122 Avg Close $72.28 Range $66.85 - $78.45

Q1 2017

Shares 94,280 Value ($000) $6,932 Avg Close $69.95 Range $63.15 - $75.60

Q4 2016

Shares 92,616 Value ($000) $6,017 Avg Close $62.93 Range $55.97 - $68.95

Q3 2016

Shares 91,874 Value ($000) $5,399 Avg Close $54.01 Range $45.94 - $59.35

Q2 2016

Shares 139,385 Value ($000) $6,791 Avg Close $47.19 Range $42.63 - $51.00

Q1 2016

Shares 140,060 Value ($000) $6,294 Avg Close $43.02 Range $36.56 - $48.00

Q4 2015

Shares 134,875 Value ($000) $6,544 Avg Close $49.45 Range $40.03 - $54.72

Q3 2015

Shares 134,960 Value ($000) $5,603 Avg Close $45.65 Range $39.33 - $55.08

Q2 2015

Shares 109,115 Value ($000) $5,891 Avg Close $53.48 Range $49.62 - $58.54

Q1 2015

Shares 2,500 Value ($000) $126 Avg Close $48.54 Range $42.61 - $52.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	145,757	$19,050	$131.47	$115.51 - $146.62
Q3 2025	146,926	$19,266	$136.18	$119.59 - $153.71
Q2 2025	145,982	$21,512	$118.28	$82.82 - $150.25
Q1 2025	144,502	$16,267	$135.11	$109.91 - $160.00
Q4 2024	139,807	$17,367	$114.70	$96.60 - $133.59
Q3 2024	138,392	$15,994	$111.62	$94.00 - $126.27
Q2 2024	131,453	$14,543	$123.50	$107.04 - $146.44
Q1 2024	96,136	$13,817	$132.52	$114.35 - $154.91
Q4 2023	89,514	$11,840	$109.36	$74.56 - $136.83
Q3 2023	87,809	$10,176	$138.09	$113.33 - $166.94
Q2 2023	86,192	$13,596	$151.04	$132.40 - $174.91
Q1 2023	85,866	$15,034	$168.08	$132.96 - $194.68
Q4 2022	76,933	$10,438	$131.44	$109.44 - $150.70
Q3 2022	75,174	$9,279	$133.68	$113.48 - $154.79
Q2 2022	72,595	$10,179	$139.98	$124.78 - $153.84
Q1 2022	72,175	$10,841	$159.80	$130.96 - $211.98
Q4 2021	86,879	$17,934	$184.14	$135.05 - $210.98
Q3 2021	90,052	$12,622	$150.07	$134.54 - $160.89
Q2 2021	87,739	$13,446	$139.81	$120.15 - $162.28
Q1 2021	92,783	$13,089	$143.40	$124.76 - $163.43
Q4 2020	91,188	$11,612	$112.65	$94.77 - $128.88
Q3 2020	92,978	$9,098	$100.56	$92.19 - $107.00
Q2 2020	68,124	$6,831	$93.46	$76.64 - $104.49
Q1 2020	70,559	$6,026	$99.22	$65.09 - $122.90
Q4 2019	73,519	$8,527	$109.67	$101.93 - $117.39
Q3 2019	73,907	$8,230	$108.27	$100.42 - $115.29
Q2 2019	74,558	$7,709	$96.50	$81.61 - $110.43
Q1 2019	76,063	$6,150	$83.18	$74.01 - $92.62
Q4 2018	76,738	$6,048	$83.13	$73.13 - $93.73
Q3 2018	73,163	$6,716	$97.73	$90.50 - $108.15
Q2 2018	73,758	$7,346	$100.00	$85.96 - $110.70
Q1 2018	74,473	$6,695	$94.32	$84.48 - $101.20
Q4 2017	77,640	$6,856	$89.86	$80.17 - $96.93
Q3 2017	129,680	$10,361	$74.44	$66.35 - $81.95
Q2 2017	89,600	$6,122	$72.28	$66.85 - $78.45
Q1 2017	94,280	$6,932	$69.95	$63.15 - $75.60
Q4 2016	92,616	$6,017	$62.93	$55.97 - $68.95
Q3 2016	91,874	$5,399	$54.01	$45.94 - $59.35
Q2 2016	139,385	$6,791	$47.19	$42.63 - $51.00
Q1 2016	140,060	$6,294	$43.02	$36.56 - $48.00
Q4 2015	134,875	$6,544	$49.45	$40.03 - $54.72
Q3 2015	134,960	$5,603	$45.65	$39.33 - $55.08
Q2 2015	109,115	$5,891	$53.48	$49.62 - $58.54
Q1 2015	2,500	$126	$48.54	$42.61 - $52.83