MATERION CORP

Ticker: MTRN CUSIP: 576690101 Class: EQTY

Grantham, Mayo, Van Otterloo & Co. LLC's Holding History (CIK: 0001352662)

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

Q2 2021

Shares 5,521 Value ($000) $416 Avg Close $74.12 Range $64.48 - $80.39

Q1 2021

Shares 64,707 Value ($000) $4,286 Avg Close $69.38 Range $61.96 - $80.70

Q4 2020

Shares 113,607 Value ($000) $7,239 Avg Close $57.50 Range $49.51 - $64.23

Q3 2020

Shares 239,536 Value ($000) $12,463 Avg Close $56.58 Range $49.60 - $63.83

Q2 2020

Shares 237,436 Value ($000) $14,600 Avg Close $50.57 Range $32.91 - $63.46

Q1 2020

Shares 260,015 Value ($000) $9,103 Avg Close $49.59 Range $26.15 - $62.56

Q4 2019

Shares 276,145 Value ($000) $16,417 Avg Close $59.15 Range $55.67 - $63.19

Q3 2019

Shares 255,045 Value ($000) $15,650 Avg Close $62.07 Range $56.79 - $68.75

Q2 2019

Shares 147,741 Value ($000) $10,018 Avg Close $62.97 Range $56.29 - $71.97

Q1 2019

Shares 149,341 Value ($000) $8,521 Avg Close $52.02 Range $42.50 - $59.87

Q4 2018

Shares 20,551 Value ($000) $925 Avg Close $53.14 Range $42.66 - $61.07

Q3 2018

Shares 20,051 Value ($000) $1,213 Avg Close $60.17 Range $53.70 - $65.10

Q2 2018

Shares 16,351 Value ($000) $885 Avg Close $54.29 Range $49.40 - $57.45

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	5,521	$416	$74.12	$64.48 - $80.39
Q1 2021	64,707	$4,286	$69.38	$61.96 - $80.70
Q4 2020	113,607	$7,239	$57.50	$49.51 - $64.23
Q3 2020	239,536	$12,463	$56.58	$49.60 - $63.83
Q2 2020	237,436	$14,600	$50.57	$32.91 - $63.46
Q1 2020	260,015	$9,103	$49.59	$26.15 - $62.56
Q4 2019	276,145	$16,417	$59.15	$55.67 - $63.19
Q3 2019	255,045	$15,650	$62.07	$56.79 - $68.75
Q2 2019	147,741	$10,018	$62.97	$56.29 - $71.97
Q1 2019	149,341	$8,521	$52.02	$42.50 - $59.87
Q4 2018	20,551	$925	$53.14	$42.66 - $61.07
Q3 2018	20,051	$1,213	$60.17	$53.70 - $65.10
Q2 2018	16,351	$885	$54.29	$49.40 - $57.45