MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q1 2025

Shares 30,500 Value ($000) $2,445 Avg Close $100.21 Range $75.89 - $124.28

Q4 2024

Shares 30,500 Value ($000) $3,184 Avg Close $106.91 Range $96.54 - $118.37

Q3 2024

Shares 60,500 Value ($000) $6,577 Avg Close $117.45 Range $99.10 - $145.63

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	30,500	$2,445	$100.21	$75.89 - $124.28
Q4 2024	30,500	$3,184	$106.91	$96.54 - $118.37
Q3 2024	60,500	$6,577	$117.45	$99.10 - $145.63