MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

TWIN FOCUS CAPITAL PARTNERS, LLC's Holding History (CIK: 0001387761)

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

Q1 2022

Shares 1,713 Value ($000) $257 Avg Close $150.35 Range $131.30 - $175.09

Q4 2021

Shares 1,680 Value ($000) $293 Avg Close $151.09 Range $136.06 - $172.80

Q3 2021

Shares 1,480 Value ($000) $223 Avg Close $148.13 Range $133.76 - $168.78

Q2 2021

Shares 1,480 Value ($000) $263 Avg Close $175.09 Range $158.98 - $192.11

Q1 2021

Shares 1,480 Value ($000) $274 Avg Close $161.78 Range $138.78 - $185.00

Q4 2020

Shares 1,480 Value ($000) $223 Avg Close $125.75 Range $101.82 - $152.08

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	1,713	$257	$150.35	$131.30 - $175.09
Q4 2021	1,680	$293	$151.09	$136.06 - $172.80
Q3 2021	1,480	$223	$148.13	$133.76 - $168.78
Q2 2021	1,480	$263	$175.09	$158.98 - $192.11
Q1 2021	1,480	$274	$161.78	$138.78 - $185.00
Q4 2020	1,480	$223	$125.75	$101.82 - $152.08