ADVANCED ENERGY INDS

Ticker: AEIS CUSIP: 007973100 Class: EQTY

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

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

Q1 2023

Shares 309,260 Value ($000) $30,307 Avg Close $93.25 Range $83.51 - $99.94

Q4 2022

Shares 308,349 Value ($000) $26,450 Avg Close $83.03 Range $67.21 - $96.30

Q3 2022

Shares 320,048 Value ($000) $24,775 Avg Close $84.77 Range $66.70 - $96.83

Q2 2022

Shares 324,612 Value ($000) $23,690 Avg Close $76.30 Range $67.78 - $86.13

Q1 2022

Shares 332,541 Value ($000) $28,625 Avg Close $85.34 Range $76.62 - $93.87

Q4 2021

Shares 336,500 Value ($000) $30,642 Avg Close $87.57 Range $81.38 - $94.81

Q3 2021

Shares 30,130 Value ($000) $2,644 Avg Close $91.96 Range $80.40 - $111.25

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	309,260	$30,307	$93.25	$83.51 - $99.94
Q4 2022	308,349	$26,450	$83.03	$67.21 - $96.30
Q3 2022	320,048	$24,775	$84.77	$66.70 - $96.83
Q2 2022	324,612	$23,690	$76.30	$67.78 - $86.13
Q1 2022	332,541	$28,625	$85.34	$76.62 - $93.87
Q4 2021	336,500	$30,642	$87.57	$81.38 - $94.81
Q3 2021	30,130	$2,644	$91.96	$80.40 - $111.25