MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

K2 PRINCIPAL FUND, L.P.'s Holding History (CIK: 0001461790)

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

Q3 2024

Shares 12,849 Value ($000) $1,397 Avg Close $117.45 Range $99.10 - $145.63

Q2 2024

Shares 13,840 Value ($000) $1,807 Avg Close $124.55 Range $105.72 - $137.52

Q1 2024

Shares 7,100 Value ($000) $944 Avg Close $114.51 Range $94.23 - $132.85

Q2 2022

Shares 8,000 Value ($000) $821 Avg Close $112.92 Range $94.75 - $148.07

Q3 2021

Shares 4,618 Value ($000) $697 Avg Close $148.13 Range $133.76 - $168.78

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2024	12,849	$1,397	$117.45	$99.10 - $145.63
Q2 2024	13,840	$1,807	$124.55	$105.72 - $137.52
Q1 2024	7,100	$944	$114.51	$94.23 - $132.85
Q2 2022	8,000	$821	$112.92	$94.75 - $148.07
Q3 2021	4,618	$697	$148.13	$133.76 - $168.78