IPG PHOTONICS CORP

Ticker: IPGP CUSIP: 44980X109 Class: Common Stock

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q2 2021

Shares 1,881 Value ($000) $396 Avg Close $210.53 Range $182.15 - $241.43

Q1 2021

Shares 1,935 Value ($000) $408 Avg Close $227.23 Range $197.09 - $262.55

Q4 2020

Shares 1,913 Value ($000) $428 Avg Close $200.31 Range $167.88 - $227.09

Q3 2020

Shares 1,913 Value ($000) $325 Avg Close $165.04 Range $149.51 - $184.02

Q2 2020

Shares 1,913 Value ($000) $307 Avg Close $142.40 Range $100.92 - $170.03

Q1 2020

Shares 2,421 Value ($000) $267 Avg Close $130.79 Range $98.04 - $150.00

Q4 2019

Shares 12,321 Value ($000) $1,786 Avg Close $139.20 Range $122.74 - $153.51

Q3 2019

Shares 2,462 Value ($000) $334 Avg Close $132.40 Range $113.67 - $166.49

Q2 2019

Shares 2,562 Value ($000) $395 Avg Close $151.24 Range $124.85 - $182.17

Q1 2019

Shares 2,621 Value ($000) $398 Avg Close $141.54 Range $107.52 - $162.23

Q4 2018

Shares 2,732 Value ($000) $310 Avg Close $132.93 Range $104.64 - $158.19

Q3 2018

Shares 2,860 Value ($000) $446 Avg Close $185.56 Range $153.37 - $243.43

Q2 2018

Shares 16,297 Value ($000) $3,596 Avg Close $236.00 Range $208.72 - $261.77

Q1 2018

Shares 16,315 Value ($000) $3,808 Avg Close $246.76 Range $213.58 - $264.11

Q4 2017

Shares 17,511 Value ($000) $3,750 Avg Close $212.25 Range $185.00 - $248.23

Q3 2017

Shares 17,565 Value ($000) $3,251 Avg Close $166.10 Range $144.71 - $187.98

Q2 2017

Shares 18,262 Value ($000) $2,650 Avg Close $134.25 Range $116.82 - $149.29

Q1 2017

Shares 18,291 Value ($000) $2,208 Avg Close $113.15 Range $95.04 - $124.27

Q4 2016

Shares 18,356 Value ($000) $1,812 Avg Close $93.27 Range $81.00 - $102.46

Q3 2016

Shares 18,407 Value ($000) $1,516 Avg Close $83.55 Range $76.64 - $88.76

Q2 2016

Shares 18,959 Value ($000) $1,517 Avg Close $87.94 Range $76.22 - $102.90

Q1 2016

Shares 19,022 Value ($000) $1,828 Avg Close $84.83 Range $73.55 - $98.26

Q4 2015

Shares 19,039 Value ($000) $1,698 Avg Close $85.71 Range $70.21 - $95.12

Q3 2015

Shares 19,146 Value ($000) $1,455 Avg Close $84.77 Range $71.63 - $96.50

Q2 2015

Shares 18,001 Value ($000) $1,533 Avg Close $94.02 Range $81.88 - $102.49

Q1 2015

Shares 18,106 Value ($000) $1,678 Avg Close $86.33 Range $69.86 - $101.69

Q4 2014

Shares 13,072 Value ($000) $979 Avg Close $71.14 Range $60.75 - $77.99

Q3 2014

Shares 9,100 Value ($000) $626 Avg Close $67.37 Range $61.48 - $73.29

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	1,881	$396	$210.53	$182.15 - $241.43
Q1 2021	1,935	$408	$227.23	$197.09 - $262.55
Q4 2020	1,913	$428	$200.31	$167.88 - $227.09
Q3 2020	1,913	$325	$165.04	$149.51 - $184.02
Q2 2020	1,913	$307	$142.40	$100.92 - $170.03
Q1 2020	2,421	$267	$130.79	$98.04 - $150.00
Q4 2019	12,321	$1,786	$139.20	$122.74 - $153.51
Q3 2019	2,462	$334	$132.40	$113.67 - $166.49
Q2 2019	2,562	$395	$151.24	$124.85 - $182.17
Q1 2019	2,621	$398	$141.54	$107.52 - $162.23
Q4 2018	2,732	$310	$132.93	$104.64 - $158.19
Q3 2018	2,860	$446	$185.56	$153.37 - $243.43
Q2 2018	16,297	$3,596	$236.00	$208.72 - $261.77
Q1 2018	16,315	$3,808	$246.76	$213.58 - $264.11
Q4 2017	17,511	$3,750	$212.25	$185.00 - $248.23
Q3 2017	17,565	$3,251	$166.10	$144.71 - $187.98
Q2 2017	18,262	$2,650	$134.25	$116.82 - $149.29
Q1 2017	18,291	$2,208	$113.15	$95.04 - $124.27
Q4 2016	18,356	$1,812	$93.27	$81.00 - $102.46
Q3 2016	18,407	$1,516	$83.55	$76.64 - $88.76
Q2 2016	18,959	$1,517	$87.94	$76.22 - $102.90
Q1 2016	19,022	$1,828	$84.83	$73.55 - $98.26
Q4 2015	19,039	$1,698	$85.71	$70.21 - $95.12
Q3 2015	19,146	$1,455	$84.77	$71.63 - $96.50
Q2 2015	18,001	$1,533	$94.02	$81.88 - $102.49
Q1 2015	18,106	$1,678	$86.33	$69.86 - $101.69
Q4 2014	13,072	$979	$71.14	$60.75 - $77.99
Q3 2014	9,100	$626	$67.37	$61.48 - $73.29