MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

SHAPIRO CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001177244)

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

Q4 2025

Shares 89,315 Value ($000) $14,273 Avg Close $148.21 Range $120.73 - $170.37

Q3 2025

Shares 309,050 Value ($000) $38,251 Avg Close $106.31 Range $88.17 - $132.24

Q2 2025

Shares 391,155 Value ($000) $38,865 Avg Close $80.86 Range $54.50 - $100.44

Q1 2025

Shares 553,365 Value ($000) $44,352 Avg Close $100.21 Range $75.89 - $124.28

Q4 2024

Shares 461,995 Value ($000) $48,228 Avg Close $106.91 Range $96.54 - $118.37

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	89,315	$14,273	$148.21	$120.73 - $170.37
Q3 2025	309,050	$38,251	$106.31	$88.17 - $132.24
Q2 2025	391,155	$38,865	$80.86	$54.50 - $100.44
Q1 2025	553,365	$44,352	$100.21	$75.89 - $124.28
Q4 2024	461,995	$48,228	$106.91	$96.54 - $118.37