IPG PHOTONICS CORP

Ticker: IPGP CUSIP: 44980X109 Class: Common Stock

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

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

Q1 2024

Shares 2,653 Value ($000) $241 Avg Close $93.95 Range $84.59 - $108.09

Q4 2023

Shares 2,222 Value ($000) $241 Avg Close $96.85 Range $83.00 - $111.11

Q3 2023

Shares 2,253 Value ($000) $229 Avg Close $112.83 Range $96.09 - $141.85

Q1 2017

Shares 7,694 Value ($000) $929 Avg Close $113.15 Range $95.04 - $124.27

Q4 2016

Shares 434,232 Value ($000) $42,863 Avg Close $93.27 Range $81.00 - $102.46

Q3 2016

Shares 451,244 Value ($000) $37,160 Avg Close $83.55 Range $76.64 - $88.76

Q2 2016

Shares 7,694 Value ($000) $616 Avg Close $87.94 Range $76.22 - $102.90

Q4 2015

Shares 489,923 Value ($000) $43,682 Avg Close $85.71 Range $70.21 - $95.12

Q3 2015

Shares 475,930 Value ($000) $36,156 Avg Close $84.77 Range $71.63 - $96.50

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	2,653	$241	$93.95	$84.59 - $108.09
Q4 2023	2,222	$241	$96.85	$83.00 - $111.11
Q3 2023	2,253	$229	$112.83	$96.09 - $141.85
Q1 2017	7,694	$929	$113.15	$95.04 - $124.27
Q4 2016	434,232	$42,863	$93.27	$81.00 - $102.46
Q3 2016	451,244	$37,160	$83.55	$76.64 - $88.76
Q2 2016	7,694	$616	$87.94	$76.22 - $102.90
Q4 2015	489,923	$43,682	$85.71	$70.21 - $95.12
Q3 2015	475,930	$36,156	$84.77	$71.63 - $96.50