SILICON LABORATORIES INC

Ticker: SLAB CUSIP: 826919102 Class: Common Stock

Granahan Investment Management, LLC's Holding History (CIK: 0001026710)

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

Q4 2025

Shares 32,019 Value ($000) $4,185 Avg Close $131.47 Range $115.51 - $146.62

Q3 2025

Shares 9,756 Value ($000) $1,279 Avg Close $136.18 Range $119.59 - $153.71

Q2 2025

Shares 17,350 Value ($000) $2,557 Avg Close $118.28 Range $82.82 - $150.25

Q1 2025

Shares 27,216 Value ($000) $3,064 Avg Close $135.11 Range $109.91 - $160.00

Q4 2024

Shares 46,463 Value ($000) $5,772 Avg Close $114.70 Range $96.60 - $133.59

Q3 2024

Shares 58,593 Value ($000) $6,772 Avg Close $111.62 Range $94.00 - $126.27

Q2 2024

Shares 36,175 Value ($000) $4,002 Avg Close $123.50 Range $107.04 - $146.44

Q1 2024

Shares 22,910 Value ($000) $3,293 Avg Close $132.52 Range $114.35 - $154.91

Q4 2023

Shares 31,585 Value ($000) $4,178 Avg Close $109.36 Range $74.56 - $136.83

Q3 2023

Shares 44,881 Value ($000) $5,201 Avg Close $138.09 Range $113.33 - $166.94

Q2 2023

Shares 39,630 Value ($000) $6,251 Avg Close $151.04 Range $132.40 - $174.91

Q1 2023

Shares 37,221 Value ($000) $6,517 Avg Close $168.08 Range $132.96 - $194.68

Q4 2022

Shares 41,370 Value ($000) $5,613 Avg Close $131.44 Range $109.44 - $150.70

Q3 2022

Shares 33,475 Value ($000) $4,132 Avg Close $133.68 Range $113.48 - $154.79

Q2 2022

Shares 33,028 Value ($000) $4,631 Avg Close $139.98 Range $124.78 - $153.84

Q1 2022

Shares 32,687 Value ($000) $4,910 Avg Close $159.80 Range $130.96 - $211.98

Q4 2021

Shares 30,728 Value ($000) $6,343 Avg Close $184.14 Range $135.05 - $210.98

Q3 2021

Shares 33,862 Value ($000) $4,746 Avg Close $150.07 Range $134.54 - $160.89

Q2 2021

Shares 32,137 Value ($000) $4,925 Avg Close $139.81 Range $120.15 - $162.28

Q1 2021

Shares 21,508 Value ($000) $3,034 Avg Close $143.40 Range $124.76 - $163.43

Q4 2020

Shares 20,547 Value ($000) $2,616 Avg Close $112.65 Range $94.77 - $128.88

Q3 2020

Shares 19,972 Value ($000) $1,954 Avg Close $100.56 Range $92.19 - $107.00

Q2 2020

Shares 23,497 Value ($000) $2,356 Avg Close $93.46 Range $76.64 - $104.49

Q1 2020

Shares 20,194 Value ($000) $1,725 Avg Close $99.22 Range $65.09 - $122.90

Q4 2019

Shares 19,372 Value ($000) $2,247 Avg Close $109.67 Range $101.93 - $117.39

Q3 2019

Shares 21,136 Value ($000) $2,353 Avg Close $108.27 Range $100.42 - $115.29

Q2 2019

Shares 22,101 Value ($000) $2,285 Avg Close $96.50 Range $81.61 - $110.43

Q1 2019

Shares 24,780 Value ($000) $2,004 Avg Close $83.18 Range $74.01 - $92.62

Q4 2018

Shares 24,758 Value ($000) $1,951 Avg Close $83.13 Range $73.13 - $93.73

Q3 2018

Shares 24,758 Value ($000) $2,273 Avg Close $97.73 Range $90.50 - $108.15

Q2 2018

Shares 24,361 Value ($000) $2,426 Avg Close $100.00 Range $85.96 - $110.70

Q1 2018

Shares 20,299 Value ($000) $1,825 Avg Close $94.32 Range $84.48 - $101.20

Q4 2017

Shares 20,730 Value ($000) $1,830 Avg Close $89.86 Range $80.17 - $96.93

Q3 2017

Shares 24,878 Value ($000) $1,988 Avg Close $74.44 Range $66.35 - $81.95

Q2 2017

Shares 24,854 Value ($000) $1,699 Avg Close $72.28 Range $66.85 - $78.45

Q1 2017

Shares 28,857 Value ($000) $2,122 Avg Close $69.95 Range $63.15 - $75.60

Q4 2016

Shares 328,931 Value ($000) $21,381 Avg Close $62.93 Range $55.97 - $68.95

Q3 2016

Shares 332,308 Value ($000) $19,540 Avg Close $54.01 Range $45.94 - $59.35

Q2 2016

Shares 372,030 Value ($000) $18,133 Avg Close $47.19 Range $42.63 - $51.00

Q1 2016

Shares 407,630 Value ($000) $18,327 Avg Close $43.02 Range $36.56 - $48.00

Q4 2015

Shares 441,230 Value ($000) $21,417 Avg Close $49.45 Range $40.03 - $54.72

Q3 2015

Shares 492,580 Value ($000) $20,462 Avg Close $45.65 Range $39.33 - $55.08

Q2 2015

Shares 551,480 Value ($000) $29,785 Avg Close $53.48 Range $49.62 - $58.54

Q1 2015

Shares 551,480 Value ($000) $27,999 Avg Close $48.54 Range $42.61 - $52.83

Q4 2014

Shares 564,588 Value ($000) $26,886 Avg Close $44.13 Range $36.29 - $48.50

Q3 2014

Shares 610,420 Value ($000) $24,807 Avg Close $43.99 Range $39.28 - $50.05

Q2 2014

Shares 610,420 Value ($000) $30,063 Avg Close $47.57 Range $42.41 - $53.78

Q1 2014

Shares 614,920 Value ($000) $32,130 Avg Close $48.31 Range $41.19 - $54.00

Q4 2013

Shares 634,920 Value ($000) $27,498 Avg Close $40.96 Range $37.57 - $44.19

Q3 2013

Shares 674,920 Value ($000) $28,826 Avg Close $41.35 Range $38.16 - $46.21

Q2 2013

Shares 662,920 Value ($000) $27,452 Avg Close $41.29 Range $38.04 - $44.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	32,019	$4,185	$131.47	$115.51 - $146.62
Q3 2025	9,756	$1,279	$136.18	$119.59 - $153.71
Q2 2025	17,350	$2,557	$118.28	$82.82 - $150.25
Q1 2025	27,216	$3,064	$135.11	$109.91 - $160.00
Q4 2024	46,463	$5,772	$114.70	$96.60 - $133.59
Q3 2024	58,593	$6,772	$111.62	$94.00 - $126.27
Q2 2024	36,175	$4,002	$123.50	$107.04 - $146.44
Q1 2024	22,910	$3,293	$132.52	$114.35 - $154.91
Q4 2023	31,585	$4,178	$109.36	$74.56 - $136.83
Q3 2023	44,881	$5,201	$138.09	$113.33 - $166.94
Q2 2023	39,630	$6,251	$151.04	$132.40 - $174.91
Q1 2023	37,221	$6,517	$168.08	$132.96 - $194.68
Q4 2022	41,370	$5,613	$131.44	$109.44 - $150.70
Q3 2022	33,475	$4,132	$133.68	$113.48 - $154.79
Q2 2022	33,028	$4,631	$139.98	$124.78 - $153.84
Q1 2022	32,687	$4,910	$159.80	$130.96 - $211.98
Q4 2021	30,728	$6,343	$184.14	$135.05 - $210.98
Q3 2021	33,862	$4,746	$150.07	$134.54 - $160.89
Q2 2021	32,137	$4,925	$139.81	$120.15 - $162.28
Q1 2021	21,508	$3,034	$143.40	$124.76 - $163.43
Q4 2020	20,547	$2,616	$112.65	$94.77 - $128.88
Q3 2020	19,972	$1,954	$100.56	$92.19 - $107.00
Q2 2020	23,497	$2,356	$93.46	$76.64 - $104.49
Q1 2020	20,194	$1,725	$99.22	$65.09 - $122.90
Q4 2019	19,372	$2,247	$109.67	$101.93 - $117.39
Q3 2019	21,136	$2,353	$108.27	$100.42 - $115.29
Q2 2019	22,101	$2,285	$96.50	$81.61 - $110.43
Q1 2019	24,780	$2,004	$83.18	$74.01 - $92.62
Q4 2018	24,758	$1,951	$83.13	$73.13 - $93.73
Q3 2018	24,758	$2,273	$97.73	$90.50 - $108.15
Q2 2018	24,361	$2,426	$100.00	$85.96 - $110.70
Q1 2018	20,299	$1,825	$94.32	$84.48 - $101.20
Q4 2017	20,730	$1,830	$89.86	$80.17 - $96.93
Q3 2017	24,878	$1,988	$74.44	$66.35 - $81.95
Q2 2017	24,854	$1,699	$72.28	$66.85 - $78.45
Q1 2017	28,857	$2,122	$69.95	$63.15 - $75.60
Q4 2016	328,931	$21,381	$62.93	$55.97 - $68.95
Q3 2016	332,308	$19,540	$54.01	$45.94 - $59.35
Q2 2016	372,030	$18,133	$47.19	$42.63 - $51.00
Q1 2016	407,630	$18,327	$43.02	$36.56 - $48.00
Q4 2015	441,230	$21,417	$49.45	$40.03 - $54.72
Q3 2015	492,580	$20,462	$45.65	$39.33 - $55.08
Q2 2015	551,480	$29,785	$53.48	$49.62 - $58.54
Q1 2015	551,480	$27,999	$48.54	$42.61 - $52.83
Q4 2014	564,588	$26,886	$44.13	$36.29 - $48.50
Q3 2014	610,420	$24,807	$43.99	$39.28 - $50.05
Q2 2014	610,420	$30,063	$47.57	$42.41 - $53.78
Q1 2014	614,920	$32,130	$48.31	$41.19 - $54.00
Q4 2013	634,920	$27,498	$40.96	$37.57 - $44.19
Q3 2013	674,920	$28,826	$41.35	$38.16 - $46.21
Q2 2013	662,920	$27,452	$41.29	$38.04 - $44.00