MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Universal- Beteiligungs- und Servicegesellschaft mbH's Holding History (CIK: 0002057170)

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

Q4 2025

Shares 17,492 Value ($000) $2,795 Avg Close $148.21 Range $120.73 - $170.37

Q3 2025

Shares 12,233 Value ($000) $1,514 Avg Close $106.31 Range $88.17 - $132.24

Q2 2025

Shares 8,543 Value ($000) $849 Avg Close $80.86 Range $54.50 - $100.44

Q1 2025

Shares 10,885 Value ($000) $872 Avg Close $100.21 Range $75.89 - $124.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,492	$2,795	$148.21	$120.73 - $170.37
Q3 2025	12,233	$1,514	$106.31	$88.17 - $132.24
Q2 2025	8,543	$849	$80.86	$54.50 - $100.44
Q1 2025	10,885	$872	$100.21	$75.89 - $124.28