MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

READYSTATE ASSET MANAGEMENT LP's Holding History (CIK: 0001900923)

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

Q3 2025

Shares 55,079 Value ($000) $6,817 Avg Close $106.31 Range $88.17 - $132.24

Q2 2025

Shares 64,152 Value ($000) $6,374 Avg Close $80.86 Range $54.50 - $100.44

Q1 2025

Shares 63,187 Value ($000) $5,064 Avg Close $100.21 Range $75.89 - $124.28

Q4 2024

Shares 40,646 Value ($000) $4,243 Avg Close $106.91 Range $96.54 - $118.37

Q3 2024

Shares 7,580 Value ($000) $824 Avg Close $117.45 Range $99.10 - $145.63

Q2 2024

Shares 7,300 Value ($000) $953 Avg Close $124.55 Range $105.72 - $137.52

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	55,079	$6,817	$106.31	$88.17 - $132.24
Q2 2025	64,152	$6,374	$80.86	$54.50 - $100.44
Q1 2025	63,187	$5,064	$100.21	$75.89 - $124.28
Q4 2024	40,646	$4,243	$106.91	$96.54 - $118.37
Q3 2024	7,580	$824	$117.45	$99.10 - $145.63
Q2 2024	7,300	$953	$124.55	$105.72 - $137.52