MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Caprock Group, LLC's Holding History (CIK: 0001610769)

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

Q4 2025

Shares 1,378 Value ($000) $220 Avg Close $148.21 Range $120.73 - $170.37

Q2 2018

Shares 2,842 Value ($000) $272 Avg Close $102.60 Range $86.55 - $115.42

Q1 2018

Shares 2,867 Value ($000) $332 Avg Close $103.13 Range $88.32 - $120.60

Q4 2017

Shares 2,862 Value ($000) $275 Avg Close $93.43 Range $82.69 - $103.63

Q3 2017

Shares 2,257 Value ($000) $213 Avg Close $76.52 Range $62.45 - $89.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,378	$220	$148.21	$120.73 - $170.37
Q2 2018	2,842	$272	$102.60	$86.55 - $115.42
Q1 2018	2,867	$332	$103.13	$88.32 - $120.60
Q4 2017	2,862	$275	$93.43	$82.69 - $103.63
Q3 2017	2,257	$213	$76.52	$62.45 - $89.48