LITTELFUSE INC

Ticker: LFUS CUSIP: 537008104 Class: EQTY

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q3 2021

Shares 48,279 Value ($000) $13,193 Avg Close $266.56 Range $234.59 - $289.99

Q2 2021

Shares 47,715 Value ($000) $12,157 Avg Close $260.68 Range $238.50 - $281.48

Q1 2021

Shares 98,701 Value ($000) $26,100 Avg Close $266.24 Range $241.55 - $287.92

Q4 2020

Shares 91,443 Value ($000) $23,287 Avg Close $221.42 Range $177.36 - $256.49

Q3 2020

Shares 115,998 Value ($000) $20,571 Avg Close $177.53 Range $162.01 - $193.53

Q2 2020

Shares 112,156 Value ($000) $19,137 Avg Close $151.78 Range $119.79 - $185.58

Q1 2020

Shares 116,611 Value ($000) $15,558 Avg Close $167.33 Range $103.63 - $196.00

Q4 2019

Shares 103,307 Value ($000) $19,763 Avg Close $183.47 Range $167.38 - $193.43

Q3 2019

Shares 79,595 Value ($000) $14,113 Avg Close $169.13 Range $149.80 - $190.76

Q2 2019

Shares 68,878 Value ($000) $12,185 Avg Close $181.41 Range $162.59 - $206.00

Q1 2019

Shares 70,207 Value ($000) $12,811 Avg Close $184.61 Range $162.87 - $197.02

Q4 2018

Shares 55,887 Value ($000) $9,584 Avg Close $178.39 Range $155.15 - $198.78

Q3 2018

Shares 52,648 Value ($000) $10,419 Avg Close $219.98 Range $194.71 - $231.85

Q2 2018

Shares 44,931 Value ($000) $10,252 Avg Close $214.58 Range $184.04 - $238.11

Q1 2018

Shares 40,122 Value ($000) $8,353 Avg Close $209.75 Range $189.83 - $226.33

Q4 2017

Shares 40,840 Value ($000) $8,079 Avg Close $200.51 Range $182.03 - $215.00

Q3 2017

Shares 47,299 Value ($000) $9,265 Avg Close $181.52 Range $161.65 - $199.26

Q2 2017

Shares 45,156 Value ($000) $7,451 Avg Close $160.63 Range $149.81 - $173.14

Q2 2016

Shares 99,719 Value ($000) $11,786 Avg Close $116.33 Range $106.26 - $123.69

Q1 2016

Shares 129,321 Value ($000) $15,921 Avg Close $110.20 Range $90.61 - $124.59

Q4 2015

Shares 158,847 Value ($000) $16,998 Avg Close $102.94 Range $87.32 - $114.90

Q3 2015

Shares 183,593 Value ($000) $16,735 Avg Close $91.09 Range $82.53 - $97.34

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	48,279	$13,193	$266.56	$234.59 - $289.99
Q2 2021	47,715	$12,157	$260.68	$238.50 - $281.48
Q1 2021	98,701	$26,100	$266.24	$241.55 - $287.92
Q4 2020	91,443	$23,287	$221.42	$177.36 - $256.49
Q3 2020	115,998	$20,571	$177.53	$162.01 - $193.53
Q2 2020	112,156	$19,137	$151.78	$119.79 - $185.58
Q1 2020	116,611	$15,558	$167.33	$103.63 - $196.00
Q4 2019	103,307	$19,763	$183.47	$167.38 - $193.43
Q3 2019	79,595	$14,113	$169.13	$149.80 - $190.76
Q2 2019	68,878	$12,185	$181.41	$162.59 - $206.00
Q1 2019	70,207	$12,811	$184.61	$162.87 - $197.02
Q4 2018	55,887	$9,584	$178.39	$155.15 - $198.78
Q3 2018	52,648	$10,419	$219.98	$194.71 - $231.85
Q2 2018	44,931	$10,252	$214.58	$184.04 - $238.11
Q1 2018	40,122	$8,353	$209.75	$189.83 - $226.33
Q4 2017	40,840	$8,079	$200.51	$182.03 - $215.00
Q3 2017	47,299	$9,265	$181.52	$161.65 - $199.26
Q2 2017	45,156	$7,451	$160.63	$149.81 - $173.14
Q2 2016	99,719	$11,786	$116.33	$106.26 - $123.69
Q1 2016	129,321	$15,921	$110.20	$90.61 - $124.59
Q4 2015	158,847	$16,998	$102.94	$87.32 - $114.90
Q3 2015	183,593	$16,735	$91.09	$82.53 - $97.34